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gstreamer/gst/mxf/mxfmetadata.c
Sebastian Dröge 53128c5b4f mxf: Unconditionally use GLib 2.16 API
2009-08-31 08:14:11 +02:00

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/* GStreamer
* Copyright (C) 2008-2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <string.h>
#include "mxftypes.h"
#include "mxfmetadata.h"
#include "mxfquark.h"
GST_DEBUG_CATEGORY_EXTERN (mxf_debug);
#define GST_CAT_DEFAULT mxf_debug
G_DEFINE_ABSTRACT_TYPE (MXFMetadataBase, mxf_metadata_base,
GST_TYPE_MINI_OBJECT);
static void
mxf_metadata_base_finalize (GstMiniObject * object)
{
MXFMetadataBase *self = MXF_METADATA_BASE (object);
if (self->other_tags) {
g_hash_table_destroy (self->other_tags);
self->other_tags = NULL;
}
GST_MINI_OBJECT_CLASS (mxf_metadata_base_parent_class)->finalize (object);
}
static gboolean
mxf_metadata_base_handle_tag (MXFMetadataBase * self, MXFPrimerPack * primer,
guint16 tag, const guint8 * tag_data, guint tag_size)
{
return (mxf_local_tag_add_to_hash_table (primer, tag, tag_data, tag_size,
&self->other_tags));
}
static gboolean
mxf_metadata_base_resolve_default (MXFMetadataBase * self,
GHashTable * metadata)
{
return TRUE;
}
static GstStructure *
mxf_metadata_base_to_structure_default (MXFMetadataBase * self)
{
MXFMetadataBaseClass *klass = MXF_METADATA_BASE_GET_CLASS (self);
GstStructure *ret;
gchar str[48];
g_return_val_if_fail (klass->name_quark != 0, NULL);
ret = gst_structure_id_empty_new (klass->name_quark);
if (!mxf_uuid_is_zero (&self->instance_uid)) {
mxf_uuid_to_string (&self->instance_uid, str);
gst_structure_id_set (ret, MXF_QUARK (INSTANCE_UID), G_TYPE_STRING, str,
NULL);
}
if (!mxf_uuid_is_zero (&self->generation_uid)) {
mxf_uuid_to_string (&self->generation_uid, str);
gst_structure_id_set (ret, MXF_QUARK (GENERATION_UID), G_TYPE_STRING, str,
NULL);
}
if (self->other_tags) {
MXFLocalTag *tag;
GValue va = { 0, };
GValue v = { 0, };
GstStructure *s;
GstBuffer *buf;
GHashTableIter iter;
g_hash_table_iter_init (&iter, self->other_tags);
g_value_init (&va, GST_TYPE_ARRAY);
while (g_hash_table_iter_next (&iter, NULL, (gpointer) & tag)) {
g_value_init (&v, GST_TYPE_STRUCTURE);
s = gst_structure_id_empty_new (MXF_QUARK (TAG));
mxf_ul_to_string (&tag->ul, str);
buf = gst_buffer_new_and_alloc (tag->size);
memcpy (GST_BUFFER_DATA (buf), tag->data, tag->size);
gst_structure_id_set (s, MXF_QUARK (NAME), G_TYPE_STRING, str,
MXF_QUARK (DATA), GST_TYPE_BUFFER, buf, NULL);
gst_value_set_structure (&v, s);
gst_structure_free (s);
gst_buffer_unref (buf);
gst_value_array_append_value (&va, &v);
g_value_unset (&v);
}
gst_structure_id_set_value (ret, MXF_QUARK (OTHER_TAGS), &va);
g_value_unset (&va);
}
return ret;
}
static void
mxf_metadata_base_init (MXFMetadataBase * self)
{
}
static void
mxf_metadata_base_class_init (MXFMetadataBaseClass * klass)
{
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
miniobject_class->finalize = mxf_metadata_base_finalize;
klass->handle_tag = mxf_metadata_base_handle_tag;
klass->resolve = mxf_metadata_base_resolve_default;
klass->to_structure = mxf_metadata_base_to_structure_default;
}
gboolean
mxf_metadata_base_parse (MXFMetadataBase * self, MXFPrimerPack * primer,
const guint8 * data, guint size)
{
guint16 tag, tag_size;
const guint8 *tag_data;
g_return_val_if_fail (MXF_IS_METADATA_BASE (self), FALSE);
g_return_val_if_fail (data != NULL, FALSE);
g_return_val_if_fail (primer != NULL, FALSE);
while (mxf_local_tag_parse (data, size, &tag, &tag_size, &tag_data)) {
if (tag_size == 0 || tag == 0x0000)
goto next;
if (!MXF_METADATA_BASE_GET_CLASS (self)->handle_tag (self, primer, tag,
tag_data, tag_size))
return FALSE;
next:
data += 4 + tag_size;
size -= 4 + tag_size;
}
return TRUE;
}
gboolean
mxf_metadata_base_resolve (MXFMetadataBase * self, GHashTable * metadata)
{
MXFMetadataBaseClass *klass;
gboolean ret = TRUE;
g_return_val_if_fail (MXF_IS_METADATA_BASE (self), FALSE);
g_return_val_if_fail (metadata != NULL, FALSE);
if (self->resolved == MXF_METADATA_BASE_RESOLVE_STATE_SUCCESS)
return TRUE;
else if (self->resolved != MXF_METADATA_BASE_RESOLVE_STATE_NONE)
return FALSE;
self->resolved = MXF_METADATA_BASE_RESOLVE_STATE_RUNNING;
klass = MXF_METADATA_BASE_GET_CLASS (self);
if (klass->resolve)
ret = klass->resolve (self, metadata);
self->resolved =
(ret) ? MXF_METADATA_BASE_RESOLVE_STATE_SUCCESS :
MXF_METADATA_BASE_RESOLVE_STATE_FAILURE;
return ret;
}
GstStructure *
mxf_metadata_base_to_structure (MXFMetadataBase * self)
{
MXFMetadataBaseClass *klass;
g_return_val_if_fail (MXF_IS_METADATA_BASE (self), NULL);
g_return_val_if_fail (self->resolved ==
MXF_METADATA_BASE_RESOLVE_STATE_SUCCESS, NULL);
klass = MXF_METADATA_BASE_GET_CLASS (self);
if (klass->to_structure)
return klass->to_structure (self);
return NULL;
}
GstBuffer *
mxf_metadata_base_to_buffer (MXFMetadataBase * self, MXFPrimerPack * primer)
{
MXFMetadataBaseClass *klass;
GstBuffer *ret;
GList *tags, *l;
guint size = 0, slen;
guint8 ber[9];
MXFLocalTag *t, *last;
guint8 *data;
g_return_val_if_fail (MXF_IS_METADATA_BASE (self), NULL);
g_return_val_if_fail (primer != NULL, NULL);
klass = MXF_METADATA_BASE_GET_CLASS (self);
g_return_val_if_fail (klass->write_tags, NULL);
tags = klass->write_tags (self, primer);
g_return_val_if_fail (tags != NULL, NULL);
/* Add unknown tags */
if (self->other_tags) {
MXFLocalTag *tmp;
GHashTableIter iter;
g_hash_table_iter_init (&iter, self->other_tags);
while (g_hash_table_iter_next (&iter, NULL, (gpointer) & t)) {
tmp = g_slice_dup (MXFLocalTag, t);
if (t->g_slice) {
tmp->data = g_slice_alloc (t->size);
mxf_primer_pack_add_mapping (primer, 0x0000, &t->ul);
memcpy (tmp->data, t->data, t->size);
} else {
tmp->data = g_memdup (t->data, t->size);
}
tags = g_list_prepend (tags, tmp);
}
}
l = g_list_last (tags);
last = l->data;
tags = g_list_delete_link (tags, l);
/* Last element contains the metadata UL */
g_return_val_if_fail (last->size == 0, NULL);
for (l = tags; l; l = l->next) {
t = l->data;
g_assert (G_MAXUINT - t->size >= size);
size += 4 + t->size;
}
slen = mxf_ber_encode_size (size, ber);
size += 16 + slen;
ret = gst_buffer_new_and_alloc (size);
memcpy (GST_BUFFER_DATA (ret), &last->ul, 16);
mxf_local_tag_free (last);
last = NULL;
memcpy (GST_BUFFER_DATA (ret) + 16, ber, slen);
data = GST_BUFFER_DATA (ret) + 16 + slen;
size -= 16 + slen;
for (l = tags; l; l = l->next) {
guint16 local_tag;
g_assert (size >= 4);
t = l->data;
local_tag =
GPOINTER_TO_UINT (g_hash_table_lookup (primer->reverse_mappings,
&t->ul));
g_assert (local_tag != 0);
GST_WRITE_UINT16_BE (data, local_tag);
GST_WRITE_UINT16_BE (data + 2, t->size);
data += 4;
size -= 4;
g_assert (size >= t->size);
memcpy (data, t->data, t->size);
data += t->size;
size -= t->size;
mxf_local_tag_free (t);
}
g_list_free (tags);
return ret;
}
G_DEFINE_ABSTRACT_TYPE (MXFMetadata, mxf_metadata, MXF_TYPE_METADATA_BASE);
static gboolean
mxf_metadata_handle_tag (MXFMetadataBase * metadata, MXFPrimerPack * primer,
guint16 tag, const guint8 * tag_data, guint tag_size)
{
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
MXFMetadata *self = MXF_METADATA (metadata);
gboolean ret = TRUE;
switch (tag) {
case 0x3c0a:
if (tag_size != 16)
goto error;
memcpy (&self->parent.instance_uid, tag_data, 16);
GST_DEBUG (" instance uid = %s",
mxf_uuid_to_string (&self->parent.instance_uid, str));
break;
case 0x0102:
if (tag_size != 16)
goto error;
memcpy (&self->parent.generation_uid, tag_data, 16);
GST_DEBUG (" generation uid = %s",
mxf_uuid_to_string (&self->parent.generation_uid, str));
break;
default:
ret =
MXF_METADATA_BASE_CLASS (mxf_metadata_parent_class)->handle_tag
(metadata, primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid metadata local tag 0x%04x of size %u", tag, tag_size);
return FALSE;
}
static GList *
mxf_metadata_write_tags (MXFMetadataBase * m, MXFPrimerPack * primer)
{
MXFMetadata *self = MXF_METADATA (m);
GList *ret = NULL;
MXFLocalTag *t;
MXFMetadataClass *klass;
g_return_val_if_fail (MXF_IS_METADATA (self), NULL);
klass = MXF_METADATA_GET_CLASS (self);
/* Last element contains the metadata key */
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (METADATA), 16);
GST_WRITE_UINT16_BE (&t->ul.u[13], klass->type);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (INSTANCE_UID), 16);
t->size = 16;
t->data = g_slice_alloc (16);
t->g_slice = TRUE;
memcpy (t->data, &self->parent.instance_uid, 16);
mxf_primer_pack_add_mapping (primer, 0x3c0a, &t->ul);
ret = g_list_prepend (ret, t);
if (!mxf_uuid_is_zero (&self->parent.generation_uid)) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (GENERATION_UID), 16);
t->size = 16;
t->data = g_slice_alloc (16);
t->g_slice = TRUE;
memcpy (t->data, &self->parent.generation_uid, 16);
mxf_primer_pack_add_mapping (primer, 0x0102, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_class_init (MXFMetadataClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
metadata_base_class->handle_tag = mxf_metadata_handle_tag;
metadata_base_class->write_tags = mxf_metadata_write_tags;
}
static void
mxf_metadata_init (MXFMetadata * self)
{
}
static GArray *_mxf_metadata_registry = NULL;
#define _add_metadata_type(type) G_STMT_START { \
GType t = type; \
\
g_array_append_val (_mxf_metadata_registry, t); \
} G_STMT_END
void
mxf_metadata_init_types (void)
{
g_return_if_fail (_mxf_metadata_registry == NULL);
_mxf_metadata_registry = g_array_new (FALSE, TRUE, sizeof (GType));
_add_metadata_type (MXF_TYPE_METADATA_PREFACE);
_add_metadata_type (MXF_TYPE_METADATA_IDENTIFICATION);
_add_metadata_type (MXF_TYPE_METADATA_CONTENT_STORAGE);
_add_metadata_type (MXF_TYPE_METADATA_ESSENCE_CONTAINER_DATA);
_add_metadata_type (MXF_TYPE_METADATA_MATERIAL_PACKAGE);
_add_metadata_type (MXF_TYPE_METADATA_SOURCE_PACKAGE);
_add_metadata_type (MXF_TYPE_METADATA_TIMELINE_TRACK);
_add_metadata_type (MXF_TYPE_METADATA_EVENT_TRACK);
_add_metadata_type (MXF_TYPE_METADATA_STATIC_TRACK);
_add_metadata_type (MXF_TYPE_METADATA_SEQUENCE);
_add_metadata_type (MXF_TYPE_METADATA_SOURCE_CLIP);
_add_metadata_type (MXF_TYPE_METADATA_TIMECODE_COMPONENT);
_add_metadata_type (MXF_TYPE_METADATA_DM_SEGMENT);
_add_metadata_type (MXF_TYPE_METADATA_DM_SOURCE_CLIP);
_add_metadata_type (MXF_TYPE_METADATA_FILE_DESCRIPTOR);
_add_metadata_type (MXF_TYPE_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR);
_add_metadata_type (MXF_TYPE_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR);
_add_metadata_type (MXF_TYPE_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR);
_add_metadata_type (MXF_TYPE_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR);
_add_metadata_type (MXF_TYPE_METADATA_GENERIC_DATA_ESSENCE_DESCRIPTOR);
_add_metadata_type (MXF_TYPE_METADATA_MULTIPLE_DESCRIPTOR);
_add_metadata_type (MXF_TYPE_METADATA_NETWORK_LOCATOR);
_add_metadata_type (MXF_TYPE_METADATA_TEXT_LOCATOR);
}
#undef _add_metadata_type
void
mxf_metadata_register (GType type)
{
g_return_if_fail (g_type_is_a (type, MXF_TYPE_METADATA));
g_array_append_val (_mxf_metadata_registry, type);
}
MXFMetadata *
mxf_metadata_new (guint16 type, MXFPrimerPack * primer, guint64 offset,
const guint8 * data, guint size)
{
guint i;
GType t = G_TYPE_INVALID;
MXFMetadata *ret = NULL;
g_return_val_if_fail (type != 0, NULL);
g_return_val_if_fail (primer != NULL, NULL);
g_return_val_if_fail (_mxf_metadata_registry != NULL, NULL);
for (i = 0; i < _mxf_metadata_registry->len; i++) {
GType tmp = g_array_index (_mxf_metadata_registry, GType, i);
MXFMetadataClass *klass = MXF_METADATA_CLASS (g_type_class_ref (tmp));
if (klass->type == type) {
g_type_class_unref (klass);
t = tmp;
break;
}
g_type_class_unref (klass);
}
if (t == G_TYPE_INVALID) {
GST_WARNING
("No handler for type 0x%04x found -- using generic metadata parser",
type);
return NULL;
}
GST_DEBUG ("Metadata type 0x%06x is handled by type %s", type,
g_type_name (t));
ret = (MXFMetadata *) g_type_create_instance (t);
if (!mxf_metadata_base_parse (MXF_METADATA_BASE (ret), primer, data, size)) {
GST_ERROR ("Parsing metadata failed");
gst_mini_object_unref ((GstMiniObject *) ret);
return NULL;
}
ret->parent.offset = offset;
return ret;
}
G_DEFINE_TYPE (MXFMetadataPreface, mxf_metadata_preface, MXF_TYPE_METADATA);
static void
mxf_metadata_preface_finalize (GstMiniObject * object)
{
MXFMetadataPreface *self = MXF_METADATA_PREFACE (object);
g_free (self->identifications_uids);
self->identifications_uids = NULL;
g_free (self->identifications);
self->identifications = NULL;
g_free (self->essence_containers);
self->essence_containers = NULL;
g_free (self->dm_schemes);
self->dm_schemes = NULL;
GST_MINI_OBJECT_CLASS (mxf_metadata_preface_parent_class)->finalize (object);
}
static gboolean
mxf_metadata_preface_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataPreface *self = MXF_METADATA_PREFACE (metadata);
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
gboolean ret = TRUE;
switch (tag) {
case 0x3b02:
if (!mxf_timestamp_parse (&self->last_modified_date, tag_data, tag_size))
goto error;
GST_DEBUG (" last modified date = %s",
mxf_timestamp_to_string (&self->last_modified_date, str));
break;
case 0x3b05:
if (tag_size != 2)
goto error;
self->version = GST_READ_UINT16_BE (tag_data);
GST_DEBUG (" version = %u.%u", (self->version >> 8),
(self->version & 0x0f));
break;
case 0x3b07:
if (tag_size != 4)
goto error;
self->object_model_version = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" object model version = %u", self->object_model_version);
break;
case 0x3b08:
if (tag_size != 16)
goto error;
memcpy (&self->primary_package_uid, tag_data, 16);
GST_DEBUG (" primary package = %s",
mxf_uuid_to_string (&self->primary_package_uid, str));
break;
case 0x3b06:
if (!mxf_uuid_array_parse (&self->identifications_uids,
&self->n_identifications, tag_data, tag_size))
goto error;
GST_DEBUG (" number of identifications = %u", self->n_identifications);
#ifndef GST_DISABLE_GST_DEBUG
{
guint i;
for (i = 0; i < self->n_identifications; i++) {
GST_DEBUG (" identification %u = %s", i,
mxf_uuid_to_string (&self->identifications_uids[i], str));
}
}
#endif
break;
case 0x3b03:
if (tag_size != 16)
goto error;
memcpy (&self->content_storage_uid, tag_data, 16);
GST_DEBUG (" content storage = %s",
mxf_uuid_to_string (&self->content_storage_uid, str));
break;
case 0x3b09:
if (tag_size != 16)
goto error;
memcpy (&self->operational_pattern, tag_data, 16);
GST_DEBUG (" operational pattern = %s",
mxf_ul_to_string (&self->operational_pattern, str));
break;
case 0x3b0a:
if (!mxf_ul_array_parse (&self->essence_containers,
&self->n_essence_containers, tag_data, tag_size))
goto error;
GST_DEBUG (" number of essence containers = %u",
self->n_essence_containers);
#ifndef GST_DISABLE_GST_DEBUG
{
guint i;
for (i = 0; i < self->n_essence_containers; i++) {
GST_DEBUG (" essence container %u = %s", i,
mxf_ul_to_string (&self->essence_containers[i], str));
}
}
#endif
break;
case 0x3b0b:
if (!mxf_ul_array_parse (&self->dm_schemes, &self->n_dm_schemes, tag_data,
tag_size))
goto error;
GST_DEBUG (" number of DM schemes = %u", self->n_dm_schemes);
#ifndef GST_DISABLE_GST_DEBUG
{
guint i;
for (i = 0; i < self->n_dm_schemes; i++) {
GST_DEBUG (" DM schemes %u = %s", i,
mxf_ul_to_string (&self->dm_schemes[i], str));
}
}
#endif
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_preface_parent_class)->handle_tag (metadata, primer,
tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid preface local tag 0x%04x of size %u", tag, tag_size);
return FALSE;
}
static gboolean
mxf_metadata_preface_resolve (MXFMetadataBase * m, GHashTable * metadata)
{
MXFMetadataPreface *self = MXF_METADATA_PREFACE (m);
MXFMetadataBase *current = NULL;
guint i;
if (!mxf_uuid_is_zero (&self->primary_package_uid)) {
current = g_hash_table_lookup (metadata, &self->primary_package_uid);
if (!current || !MXF_IS_METADATA_GENERIC_PACKAGE (current)) {
GST_ERROR ("Primary package not found");
} else {
if (mxf_metadata_base_resolve (current, metadata)) {
self->primary_package = MXF_METADATA_GENERIC_PACKAGE (current);
}
}
}
current = NULL;
current = g_hash_table_lookup (metadata, &self->content_storage_uid);
if (!current || !MXF_IS_METADATA_CONTENT_STORAGE (current)) {
GST_ERROR ("Content storage not found");
return FALSE;
} else {
if (mxf_metadata_base_resolve (current, metadata)) {
self->content_storage = MXF_METADATA_CONTENT_STORAGE (current);
} else {
GST_ERROR ("Couldn't resolve content storage");
return FALSE;
}
}
current = NULL;
if (self->identifications)
memset (self->identifications, 0,
sizeof (gpointer) * self->n_identifications);
else
self->identifications =
g_new0 (MXFMetadataIdentification *, self->n_identifications);
for (i = 0; i < self->n_identifications; i++) {
current = g_hash_table_lookup (metadata, &self->identifications_uids[i]);
if (current && MXF_IS_METADATA_IDENTIFICATION (current)) {
if (mxf_metadata_base_resolve (current, metadata))
self->identifications[i] = MXF_METADATA_IDENTIFICATION (current);
}
current = NULL;
}
return
MXF_METADATA_BASE_CLASS (mxf_metadata_preface_parent_class)->resolve (m,
metadata);
}
static GstStructure *
mxf_metadata_preface_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS (mxf_metadata_preface_parent_class)->to_structure
(m);
MXFMetadataPreface *self = MXF_METADATA_PREFACE (m);
gchar str[48];
guint i;
if (!mxf_timestamp_is_unknown (&self->last_modified_date)) {
mxf_timestamp_to_string (&self->last_modified_date, str);
gst_structure_id_set (ret, MXF_QUARK (LAST_MODIFIED_DATE), G_TYPE_STRING,
str, NULL);
}
if (self->version != 0)
gst_structure_id_set (ret, MXF_QUARK (VERSION), G_TYPE_UINT, self->version,
NULL);
if (self->object_model_version != 0)
gst_structure_id_set (ret, MXF_QUARK (OBJECT_MODEL_VERSION), G_TYPE_UINT,
self->object_model_version, NULL);
if (!mxf_uuid_is_zero (&self->primary_package_uid)) {
mxf_uuid_to_string (&self->primary_package_uid, str);
gst_structure_id_set (ret, MXF_QUARK (PRIMARY_PACKAGE), G_TYPE_STRING, str,
NULL);
}
if (self->n_identifications > 0) {
GValue arr = { 0, }
, val = {
0,};
g_value_init (&arr, GST_TYPE_ARRAY);
for (i = 0; i < self->n_identifications; i++) {
GstStructure *s;
if (self->identifications[i] == NULL)
continue;
g_value_init (&val, GST_TYPE_STRUCTURE);
s = mxf_metadata_base_to_structure (MXF_METADATA_BASE
(self->identifications[i]));
gst_value_set_structure (&val, s);
gst_structure_free (s);
gst_value_array_append_value (&arr, &val);
g_value_unset (&val);
}
if (gst_value_array_get_size (&arr) > 0)
gst_structure_id_set_value (ret, MXF_QUARK (IDENTIFICATIONS), &arr);
g_value_unset (&arr);
}
if (self->content_storage) {
GstStructure *s =
mxf_metadata_base_to_structure (MXF_METADATA_BASE
(self->content_storage));
gst_structure_id_set (ret, MXF_QUARK (CONTENT_STORAGE), GST_TYPE_STRUCTURE,
s, NULL);
gst_structure_free (s);
}
if (!mxf_ul_is_zero (&self->operational_pattern)) {
mxf_ul_to_string (&self->operational_pattern, str);
gst_structure_id_set (ret, MXF_QUARK (OPERATIONAL_PATTERN), G_TYPE_STRING,
str, NULL);
}
if (self->n_essence_containers > 0) {
GValue arr = { 0, }
, val = {
0,};
g_value_init (&arr, GST_TYPE_ARRAY);
for (i = 0; i < self->n_essence_containers; i++) {
if (mxf_ul_is_zero (&self->essence_containers[i]))
continue;
g_value_init (&val, G_TYPE_STRING);
mxf_ul_to_string (&self->essence_containers[i], str);
g_value_set_string (&val, str);
gst_value_array_append_value (&arr, &val);
g_value_unset (&val);
}
if (gst_value_array_get_size (&arr) > 0)
gst_structure_id_set_value (ret, MXF_QUARK (ESSENCE_CONTAINERS), &arr);
g_value_unset (&arr);
}
if (self->n_dm_schemes > 0) {
GValue arr = { 0, }
, val = {
0,};
g_value_init (&arr, GST_TYPE_ARRAY);
for (i = 0; i < self->n_dm_schemes; i++) {
if (mxf_ul_is_zero (&self->dm_schemes[i]))
continue;
g_value_init (&val, G_TYPE_STRING);
mxf_ul_to_string (&self->dm_schemes[i], str);
g_value_set_string (&val, str);
gst_value_array_append_value (&arr, &val);
g_value_unset (&val);
}
if (gst_value_array_get_size (&arr) > 0)
gst_structure_id_set_value (ret, MXF_QUARK (DM_SCHEMES), &arr);
g_value_unset (&arr);
}
return ret;
}
static GList *
mxf_metadata_preface_write_tags (MXFMetadataBase * m, MXFPrimerPack * primer)
{
MXFMetadataPreface *self = MXF_METADATA_PREFACE (m);
GList *ret =
MXF_METADATA_BASE_CLASS (mxf_metadata_preface_parent_class)->write_tags
(m, primer);
MXFLocalTag *t;
guint i;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (LAST_MODIFIED_DATE), 16);
t->size = 8;
t->data = g_slice_alloc (8);
t->g_slice = TRUE;
mxf_timestamp_write (&self->last_modified_date, t->data);
mxf_primer_pack_add_mapping (primer, 0x3b02, &t->ul);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (VERSION), 16);
t->size = 2;
t->data = g_slice_alloc (2);
t->g_slice = TRUE;
GST_WRITE_UINT16_BE (t->data, self->version);
mxf_primer_pack_add_mapping (primer, 0x3b05, &t->ul);
ret = g_list_prepend (ret, t);
if (self->object_model_version) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (OBJECT_MODEL_VERSION), 16);
t->size = 4;
t->data = g_slice_alloc (4);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->object_model_version);
mxf_primer_pack_add_mapping (primer, 0x3b07, &t->ul);
ret = g_list_prepend (ret, t);
}
if (!mxf_uuid_is_zero (&self->primary_package_uid)) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PRIMARY_PACKAGE), 16);
t->size = 16;
t->data = g_slice_alloc (16);
t->g_slice = TRUE;
memcpy (t->data, &self->primary_package_uid, 16);
mxf_primer_pack_add_mapping (primer, 0x3b08, &t->ul);
ret = g_list_prepend (ret, t);
}
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (IDENTIFICATIONS), 16);
t->size = 8 + 16 * self->n_identifications;
t->data = g_slice_alloc0 (t->size);
t->g_slice = TRUE;
mxf_primer_pack_add_mapping (primer, 0x3b06, &t->ul);
GST_WRITE_UINT32_BE (t->data, self->n_identifications);
GST_WRITE_UINT32_BE (t->data + 4, 16);
for (i = 0; i < self->n_identifications; i++) {
if (!self->identifications[i])
continue;
memcpy (t->data + 8 + 16 * i,
&MXF_METADATA_BASE (self->identifications[i])->instance_uid, 16);
}
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (CONTENT_STORAGE), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
mxf_primer_pack_add_mapping (primer, 0x3b03, &t->ul);
memcpy (t->data, &MXF_METADATA_BASE (self->content_storage)->instance_uid,
16);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (OPERATIONAL_PATTERN), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
mxf_primer_pack_add_mapping (primer, 0x3b09, &t->ul);
memcpy (t->data, &self->operational_pattern, 16);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (ESSENCE_CONTAINERS), 16);
t->size = 8 + 16 * self->n_essence_containers;
t->data = g_slice_alloc0 (t->size);
t->g_slice = TRUE;
mxf_primer_pack_add_mapping (primer, 0x3b0a, &t->ul);
GST_WRITE_UINT32_BE (t->data, self->n_essence_containers);
GST_WRITE_UINT32_BE (t->data + 4, 16);
for (i = 0; i < self->n_essence_containers; i++) {
memcpy (t->data + 8 + 16 * i, &self->essence_containers[i], 16);
}
ret = g_list_prepend (ret, t);
if (self->dm_schemes) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DM_SCHEMES), 16);
t->size = 8 + 16 * self->n_dm_schemes;
t->data = g_slice_alloc0 (t->size);
t->g_slice = TRUE;
mxf_primer_pack_add_mapping (primer, 0x3b0b, &t->ul);
GST_WRITE_UINT32_BE (t->data, self->n_dm_schemes);
GST_WRITE_UINT32_BE (t->data + 4, 16);
for (i = 0; i < self->n_dm_schemes; i++) {
memcpy (t->data + 8 + 16 * i, &self->dm_schemes[i], 16);
}
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_preface_init (MXFMetadataPreface * self)
{
}
static void
mxf_metadata_preface_class_init (MXFMetadataPrefaceClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
miniobject_class->finalize = mxf_metadata_preface_finalize;
metadata_base_class->handle_tag = mxf_metadata_preface_handle_tag;
metadata_base_class->resolve = mxf_metadata_preface_resolve;
metadata_base_class->to_structure = mxf_metadata_preface_to_structure;
metadata_base_class->write_tags = mxf_metadata_preface_write_tags;
metadata_base_class->name_quark = MXF_QUARK (PREFACE);
metadata_class->type = 0x012f;
}
G_DEFINE_TYPE (MXFMetadataIdentification, mxf_metadata_identification,
MXF_TYPE_METADATA);
static void
mxf_metadata_identification_finalize (GstMiniObject * object)
{
MXFMetadataIdentification *self = MXF_METADATA_IDENTIFICATION (object);
g_free (self->company_name);
self->company_name = NULL;
g_free (self->product_name);
self->product_name = NULL;
g_free (self->version_string);
self->version_string = NULL;
g_free (self->platform);
self->platform = NULL;
GST_MINI_OBJECT_CLASS (mxf_metadata_identification_parent_class)->finalize
(object);
}
static gboolean
mxf_metadata_identification_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataIdentification *self = MXF_METADATA_IDENTIFICATION (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x3c09:
if (tag_size != 16)
goto error;
memcpy (&self->this_generation_uid, tag_data, 16);
GST_DEBUG (" this generation uid = %s",
mxf_uuid_to_string (&self->this_generation_uid, str));
break;
case 0x3c01:
self->company_name = mxf_utf16_to_utf8 (tag_data, tag_size);
GST_DEBUG (" company name = %s", GST_STR_NULL (self->company_name));
break;
case 0x3c02:
self->product_name = mxf_utf16_to_utf8 (tag_data, tag_size);
GST_DEBUG (" product name = %s", GST_STR_NULL (self->product_name));
break;
case 0x3c03:
if (!mxf_product_version_parse (&self->product_version,
tag_data, tag_size))
goto error;
GST_DEBUG (" product version = %u.%u.%u.%u.%u",
self->product_version.major,
self->product_version.minor,
self->product_version.patch,
self->product_version.build, self->product_version.release);
break;
case 0x3c04:
self->version_string = mxf_utf16_to_utf8 (tag_data, tag_size);
GST_DEBUG (" version string = %s", GST_STR_NULL (self->version_string));
break;
case 0x3c05:
if (tag_size != 16)
goto error;
memcpy (&self->product_uid, tag_data, 16);
GST_DEBUG (" product uid = %s",
mxf_uuid_to_string (&self->product_uid, str));
break;
case 0x3c06:
if (!mxf_timestamp_parse (&self->modification_date, tag_data, tag_size))
goto error;
GST_DEBUG (" modification date = %s",
mxf_timestamp_to_string (&self->modification_date, str));
break;
case 0x3c07:
if (!mxf_product_version_parse (&self->toolkit_version,
tag_data, tag_size))
goto error;
GST_DEBUG (" toolkit version = %u.%u.%u.%u.%u",
self->toolkit_version.major,
self->toolkit_version.minor,
self->toolkit_version.patch,
self->toolkit_version.build, self->toolkit_version.release);
break;
case 0x3c08:
self->platform = mxf_utf16_to_utf8 (tag_data, tag_size);
GST_DEBUG (" platform = %s", GST_STR_NULL (self->platform));
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_identification_parent_class)->handle_tag (metadata,
primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid identification local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
static GstStructure *
mxf_metadata_identification_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_identification_parent_class)->to_structure (m);
MXFMetadataIdentification *self = MXF_METADATA_IDENTIFICATION (m);
gchar str[48];
if (!mxf_uuid_is_zero (&self->this_generation_uid)) {
mxf_uuid_to_string (&self->this_generation_uid, str);
gst_structure_id_set (ret, MXF_QUARK (THIS_GENERATION_UID), G_TYPE_STRING,
str, NULL);
}
if (self->company_name)
gst_structure_id_set (ret, MXF_QUARK (COMPANY_NAME), G_TYPE_STRING,
self->company_name, NULL);
if (self->product_name)
gst_structure_id_set (ret, MXF_QUARK (PRODUCT_NAME), G_TYPE_STRING,
self->product_name, NULL);
if (self->product_version.major ||
self->product_version.minor ||
self->product_version.patch ||
self->product_version.build || self->product_version.release) {
g_snprintf (str, 48, "%u.%u.%u.%u.%u", self->product_version.major,
self->product_version.minor,
self->product_version.patch,
self->product_version.build, self->product_version.release);
gst_structure_id_set (ret, MXF_QUARK (PRODUCT_VERSION), G_TYPE_STRING, str,
NULL);
}
if (self->version_string)
gst_structure_id_set (ret, MXF_QUARK (VERSION_STRING), G_TYPE_STRING,
self->version_string, NULL);
if (!mxf_uuid_is_zero (&self->product_uid)) {
mxf_uuid_to_string (&self->product_uid, str);
gst_structure_id_set (ret, MXF_QUARK (PRODUCT_UID), G_TYPE_STRING, str,
NULL);
}
if (!mxf_timestamp_is_unknown (&self->modification_date)) {
mxf_timestamp_to_string (&self->modification_date, str);
gst_structure_id_set (ret, MXF_QUARK (MODIFICATION_DATE), G_TYPE_STRING,
str, NULL);
}
if (self->toolkit_version.major ||
self->toolkit_version.minor ||
self->toolkit_version.patch ||
self->toolkit_version.build || self->toolkit_version.release) {
g_snprintf (str, 48, "%u.%u.%u.%u.%u", self->toolkit_version.major,
self->toolkit_version.minor,
self->toolkit_version.patch,
self->toolkit_version.build, self->toolkit_version.release);
gst_structure_id_set (ret, MXF_QUARK (TOOLKIT_VERSION), G_TYPE_STRING, str,
NULL);
}
if (self->platform)
gst_structure_id_set (ret, MXF_QUARK (PLATFORM), G_TYPE_STRING,
self->platform, NULL);
return ret;
}
static GList *
mxf_metadata_identification_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataIdentification *self = MXF_METADATA_IDENTIFICATION (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_identification_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
if (self->company_name) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (COMPANY_NAME), 16);
t->data = mxf_utf8_to_utf16 (self->company_name, &t->size);
mxf_primer_pack_add_mapping (primer, 0x3c01, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->product_name) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PRODUCT_NAME), 16);
t->data = mxf_utf8_to_utf16 (self->product_name, &t->size);
mxf_primer_pack_add_mapping (primer, 0x3c02, &t->ul);
ret = g_list_prepend (ret, t);
}
if (!mxf_product_version_is_valid (&self->product_version)) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PRODUCT_VERSION), 16);
t->size = 10;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
mxf_product_version_write (&self->product_version, t->data);
mxf_primer_pack_add_mapping (primer, 0x3c03, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->version_string) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (VERSION_STRING), 16);
t->data = mxf_utf8_to_utf16 (self->version_string, &t->size);
mxf_primer_pack_add_mapping (primer, 0x3c04, &t->ul);
ret = g_list_prepend (ret, t);
}
if (!mxf_uuid_is_zero (&self->product_uid)) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PRODUCT_UID), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &self->product_uid, 16);
mxf_primer_pack_add_mapping (primer, 0x3c05, &t->ul);
ret = g_list_prepend (ret, t);
}
if (!mxf_timestamp_is_unknown (&self->modification_date)) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (MODIFICATION_DATE), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
mxf_timestamp_write (&self->modification_date, t->data);
mxf_primer_pack_add_mapping (primer, 0x3c06, &t->ul);
ret = g_list_prepend (ret, t);
}
if (!mxf_product_version_is_valid (&self->toolkit_version)) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (TOOLKIT_VERSION), 16);
t->size = 10;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
mxf_product_version_write (&self->toolkit_version, t->data);
mxf_primer_pack_add_mapping (primer, 0x3c07, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->platform) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PLATFORM), 16);
t->data = mxf_utf8_to_utf16 (self->platform, &t->size);
mxf_primer_pack_add_mapping (primer, 0x3c08, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_identification_init (MXFMetadataIdentification * self)
{
}
static void
mxf_metadata_identification_class_init (MXFMetadataIdentificationClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
miniobject_class->finalize = mxf_metadata_identification_finalize;
metadata_base_class->handle_tag = mxf_metadata_identification_handle_tag;
metadata_base_class->name_quark = MXF_QUARK (IDENTIFICATION);
metadata_base_class->to_structure = mxf_metadata_identification_to_structure;
metadata_base_class->write_tags = mxf_metadata_identification_write_tags;
metadata_class->type = 0x0130;
}
G_DEFINE_TYPE (MXFMetadataContentStorage, mxf_metadata_content_storage,
MXF_TYPE_METADATA);
static void
mxf_metadata_content_storage_finalize (GstMiniObject * object)
{
MXFMetadataContentStorage *self = MXF_METADATA_CONTENT_STORAGE (object);
g_free (self->packages);
self->packages = NULL;
g_free (self->packages_uids);
self->packages_uids = NULL;
g_free (self->essence_container_data);
self->essence_container_data = NULL;
g_free (self->essence_container_data_uids);
self->essence_container_data_uids = NULL;
GST_MINI_OBJECT_CLASS (mxf_metadata_content_storage_parent_class)->finalize
(object);
}
static gboolean
mxf_metadata_content_storage_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataContentStorage *self = MXF_METADATA_CONTENT_STORAGE (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x1901:
if (!mxf_uuid_array_parse (&self->packages_uids, &self->n_packages,
tag_data, tag_size))
goto error;
GST_DEBUG (" number of packages = %u", self->n_packages);
#ifndef GST_DISABLE_GST_DEBUG
{
guint i;
for (i = 0; i < self->n_packages; i++) {
GST_DEBUG (" package %u = %s", i,
mxf_uuid_to_string (&self->packages_uids[i], str));
}
}
#endif
break;
case 0x1902:
if (!mxf_uuid_array_parse (&self->essence_container_data_uids,
&self->n_essence_container_data, tag_data, tag_size))
goto error;
GST_DEBUG (" number of essence container data = %u",
self->n_essence_container_data);
#ifndef GST_DISABLE_GST_DEBUG
{
guint i;
for (i = 0; i < self->n_essence_container_data; i++) {
GST_DEBUG (" essence container data %u = %s", i,
mxf_uuid_to_string (&self->essence_container_data_uids[i], str));
}
}
#endif
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_content_storage_parent_class)->handle_tag (metadata,
primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid content storage local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
static gboolean
mxf_metadata_content_storage_resolve (MXFMetadataBase * m,
GHashTable * metadata)
{
MXFMetadataContentStorage *self = MXF_METADATA_CONTENT_STORAGE (m);
MXFMetadataBase *current = NULL;
guint i;
gboolean have_package = FALSE;
gboolean have_ecd = FALSE;
if (self->packages)
memset (self->packages, 0, sizeof (gpointer) * self->n_packages);
else
self->packages = g_new0 (MXFMetadataGenericPackage *, self->n_packages);
for (i = 0; i < self->n_packages; i++) {
current = g_hash_table_lookup (metadata, &self->packages_uids[i]);
if (current && MXF_IS_METADATA_GENERIC_PACKAGE (current)) {
if (mxf_metadata_base_resolve (current, metadata)) {
self->packages[i] = MXF_METADATA_GENERIC_PACKAGE (current);
have_package = TRUE;
} else {
GST_ERROR ("Couldn't resolve package");
}
} else {
GST_ERROR ("Package not found");
}
}
if (self->essence_container_data)
memset (self->essence_container_data, 0,
sizeof (gpointer) * self->n_essence_container_data);
else
self->essence_container_data =
g_new0 (MXFMetadataEssenceContainerData *,
self->n_essence_container_data);
for (i = 0; i < self->n_essence_container_data; i++) {
current =
g_hash_table_lookup (metadata, &self->essence_container_data_uids[i]);
if (current && MXF_IS_METADATA_ESSENCE_CONTAINER_DATA (current)) {
if (mxf_metadata_base_resolve (current, metadata)) {
self->essence_container_data[i] =
MXF_METADATA_ESSENCE_CONTAINER_DATA (current);
have_ecd = TRUE;
} else {
GST_ERROR ("Couldn't resolve essence container data");
}
} else {
GST_ERROR ("Essence container data not found");
}
}
if (!have_package) {
GST_ERROR ("Couldn't resolve any package");
return FALSE;
} else if (!have_ecd) {
GST_ERROR ("Couldn't resolve any essence container data");
return FALSE;
}
return
MXF_METADATA_BASE_CLASS
(mxf_metadata_content_storage_parent_class)->resolve (m, metadata);
}
static GstStructure *
mxf_metadata_content_storage_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_content_storage_parent_class)->to_structure (m);
MXFMetadataContentStorage *self = MXF_METADATA_CONTENT_STORAGE (m);
guint i;
if (self->n_packages > 0) {
GValue arr = { 0, }
, val = {
0,};
g_value_init (&arr, GST_TYPE_ARRAY);
for (i = 0; i < self->n_packages; i++) {
GstStructure *s;
if (self->packages[i] == NULL)
continue;
g_value_init (&val, GST_TYPE_STRUCTURE);
s = mxf_metadata_base_to_structure (MXF_METADATA_BASE (self->packages
[i]));
gst_value_set_structure (&val, s);
gst_structure_free (s);
gst_value_array_append_value (&arr, &val);
g_value_unset (&val);
}
if (gst_value_array_get_size (&arr) > 0)
gst_structure_id_set_value (ret, MXF_QUARK (PACKAGES), &arr);
g_value_unset (&arr);
}
if (self->n_essence_container_data > 0) {
GValue arr = { 0, }
, val = {
0,};
g_value_init (&arr, GST_TYPE_ARRAY);
for (i = 0; i < self->n_essence_container_data; i++) {
GstStructure *s;
if (self->essence_container_data[i] == NULL)
continue;
g_value_init (&val, GST_TYPE_STRUCTURE);
s = mxf_metadata_base_to_structure (MXF_METADATA_BASE
(self->essence_container_data[i]));
gst_value_set_structure (&val, s);
gst_structure_free (s);
gst_value_array_append_value (&arr, &val);
g_value_unset (&val);
}
if (gst_value_array_get_size (&arr) > 0)
gst_structure_id_set_value (ret, MXF_QUARK (ESSENCE_CONTAINER_DATA),
&arr);
g_value_unset (&arr);
}
return ret;
}
static GList *
mxf_metadata_content_storage_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataContentStorage *self = MXF_METADATA_CONTENT_STORAGE (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_content_storage_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
guint i;
if (self->packages) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PACKAGES), 16);
t->size = 8 + 16 * self->n_packages;
t->data = g_slice_alloc0 (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->n_packages);
GST_WRITE_UINT32_BE (t->data + 4, 16);
for (i = 0; i < self->n_packages; i++) {
if (!self->packages[i])
continue;
memcpy (t->data + 8 + i * 16,
&MXF_METADATA_BASE (self->packages[i])->instance_uid, 16);
}
mxf_primer_pack_add_mapping (primer, 0x1901, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->essence_container_data) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (ESSENCE_CONTAINER_DATA), 16);
t->size = 8 + 16 * self->n_essence_container_data;
t->data = g_slice_alloc0 (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->n_essence_container_data);
GST_WRITE_UINT32_BE (t->data + 4, 16);
for (i = 0; i < self->n_essence_container_data; i++) {
if (!self->essence_container_data[i])
continue;
memcpy (t->data + 8 + i * 16,
&MXF_METADATA_BASE (self->essence_container_data[i])->instance_uid,
16);
}
mxf_primer_pack_add_mapping (primer, 0x1902, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_content_storage_init (MXFMetadataContentStorage * self)
{
}
static void
mxf_metadata_content_storage_class_init (MXFMetadataContentStorageClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
miniobject_class->finalize = mxf_metadata_content_storage_finalize;
metadata_base_class->handle_tag = mxf_metadata_content_storage_handle_tag;
metadata_base_class->resolve = mxf_metadata_content_storage_resolve;
metadata_base_class->name_quark = MXF_QUARK (CONTENT_STORAGE);
metadata_base_class->to_structure = mxf_metadata_content_storage_to_structure;
metadata_base_class->write_tags = mxf_metadata_content_storage_write_tags;
metadata_class->type = 0x0118;
}
G_DEFINE_TYPE (MXFMetadataEssenceContainerData,
mxf_metadata_essence_container_data, MXF_TYPE_METADATA);
static gboolean
mxf_metadata_essence_container_data_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataEssenceContainerData *self =
MXF_METADATA_ESSENCE_CONTAINER_DATA (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[96];
#endif
switch (tag) {
case 0x2701:
if (tag_size != 32)
goto error;
memcpy (&self->linked_package_uid, tag_data, 32);
GST_DEBUG (" linked package = %s",
mxf_umid_to_string (&self->linked_package_uid, str));
break;
case 0x3f06:
if (tag_size != 4)
goto error;
self->index_sid = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" index sid = %u", self->index_sid);
break;
case 0x3f07:
if (tag_size != 4)
goto error;
self->body_sid = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" body sid = %u", self->body_sid);
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_essence_container_data_parent_class)->handle_tag
(metadata, primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid essence container data local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
static gboolean
mxf_metadata_essence_container_data_resolve (MXFMetadataBase * m,
GHashTable * metadata)
{
MXFMetadataEssenceContainerData *self =
MXF_METADATA_ESSENCE_CONTAINER_DATA (m);
MXFMetadataBase *current = NULL;
GHashTableIter iter;
g_hash_table_iter_init (&iter, metadata);
while (g_hash_table_iter_next (&iter, NULL, (gpointer) & current)) {
if (MXF_IS_METADATA_SOURCE_PACKAGE (current)) {
MXFMetadataSourcePackage *package = MXF_METADATA_SOURCE_PACKAGE (current);
if (mxf_umid_is_equal (&package->parent.package_uid,
&self->linked_package_uid)) {
if (mxf_metadata_base_resolve (current, metadata)) {
self->linked_package = package;
}
break;
}
}
}
if (!self->linked_package) {
GST_ERROR ("Couldn't resolve a package");
return FALSE;
}
return
MXF_METADATA_BASE_CLASS
(mxf_metadata_essence_container_data_parent_class)->resolve (m, metadata);
}
static GstStructure *
mxf_metadata_essence_container_data_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_essence_container_data_parent_class)->to_structure (m);
MXFMetadataEssenceContainerData *self =
MXF_METADATA_ESSENCE_CONTAINER_DATA (m);
gchar str[96];
if (!mxf_umid_is_zero (&self->linked_package_uid)) {
mxf_umid_to_string (&self->linked_package_uid, str);
gst_structure_id_set (ret, MXF_QUARK (LINKED_PACKAGE), G_TYPE_STRING, str,
NULL);
}
gst_structure_id_set (ret, MXF_QUARK (INDEX_SID), G_TYPE_UINT,
self->index_sid, MXF_QUARK (BODY_SID), G_TYPE_UINT, self->body_sid, NULL);
return ret;
}
static GList *
mxf_metadata_essence_container_data_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataEssenceContainerData *self =
MXF_METADATA_ESSENCE_CONTAINER_DATA (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_essence_container_data_parent_class)->write_tags (m,
primer);
MXFLocalTag *t;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (LINKED_PACKAGE_UID), 16);
t->size = 32;
t->data = g_slice_alloc0 (32);
t->g_slice = TRUE;
if (self->linked_package)
memcpy (t->data, &self->linked_package->parent.package_uid, 32);
mxf_primer_pack_add_mapping (primer, 0x2701, &t->ul);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (BODY_SID), 16);
t->size = 4;
t->data = g_slice_alloc (4);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->body_sid);
mxf_primer_pack_add_mapping (primer, 0x3f07, &t->ul);
ret = g_list_prepend (ret, t);
if (self->index_sid) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (INDEX_SID), 16);
t->size = 4;
t->data = g_slice_alloc (4);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->index_sid);
mxf_primer_pack_add_mapping (primer, 0x3f07, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_essence_container_data_init (MXFMetadataEssenceContainerData *
self)
{
}
static void
mxf_metadata_essence_container_data_class_init
(MXFMetadataEssenceContainerDataClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->handle_tag =
mxf_metadata_essence_container_data_handle_tag;
metadata_base_class->resolve = mxf_metadata_essence_container_data_resolve;
metadata_base_class->name_quark = MXF_QUARK (ESSENCE_CONTAINER_DATA);
metadata_base_class->to_structure =
mxf_metadata_essence_container_data_to_structure;
metadata_base_class->write_tags =
mxf_metadata_essence_container_data_write_tags;
metadata_class->type = 0x0123;
}
G_DEFINE_ABSTRACT_TYPE (MXFMetadataGenericPackage, mxf_metadata_generic_package,
MXF_TYPE_METADATA);
static void
mxf_metadata_generic_package_finalize (GstMiniObject * object)
{
MXFMetadataGenericPackage *self = MXF_METADATA_GENERIC_PACKAGE (object);
g_free (self->name);
self->name = NULL;
g_free (self->tracks_uids);
self->tracks_uids = NULL;
g_free (self->tracks);
self->tracks = NULL;
GST_MINI_OBJECT_CLASS (mxf_metadata_generic_package_parent_class)->finalize
(object);
}
static gboolean
mxf_metadata_generic_package_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataGenericPackage *self = MXF_METADATA_GENERIC_PACKAGE (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[96];
#endif
switch (tag) {
case 0x4401:
if (tag_size != 32)
goto error;
memcpy (&self->package_uid, tag_data, 32);
GST_DEBUG (" UMID = %s", mxf_umid_to_string (&self->package_uid, str));
break;
case 0x4402:
self->name = mxf_utf16_to_utf8 (tag_data, tag_size);
GST_DEBUG (" name = %s", GST_STR_NULL (self->name));
break;
case 0x4405:
if (!mxf_timestamp_parse (&self->package_creation_date,
tag_data, tag_size))
goto error;
GST_DEBUG (" creation date = %s",
mxf_timestamp_to_string (&self->package_creation_date, str));
break;
case 0x4404:
if (!mxf_timestamp_parse (&self->package_modified_date,
tag_data, tag_size))
goto error;
GST_DEBUG (" modification date = %s",
mxf_timestamp_to_string (&self->package_modified_date, str));
break;
case 0x4403:
if (!mxf_uuid_array_parse (&self->tracks_uids, &self->n_tracks, tag_data,
tag_size))
goto error;
GST_DEBUG (" number of tracks = %u", self->n_tracks);
#ifndef GST_DISABLE_GST_DEBUG
{
guint i;
for (i = 0; i < self->n_tracks; i++) {
GST_DEBUG (" track %u = %s", i,
mxf_uuid_to_string (&self->tracks_uids[i], str));
}
}
#endif
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_package_parent_class)->handle_tag (metadata,
primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid generic package local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
static gboolean
mxf_metadata_generic_package_resolve (MXFMetadataBase * m,
GHashTable * metadata)
{
MXFMetadataGenericPackage *self = MXF_METADATA_GENERIC_PACKAGE (m);
MXFMetadataBase *current = NULL;
guint i;
gboolean have_track = FALSE;
if (self->tracks)
memset (self->tracks, 0, sizeof (gpointer) * self->n_tracks);
else
self->tracks = g_new0 (MXFMetadataTrack *, self->n_tracks);
for (i = 0; i < self->n_tracks; i++) {
current = g_hash_table_lookup (metadata, &self->tracks_uids[i]);
if (current && MXF_IS_METADATA_TRACK (current)) {
if (mxf_metadata_base_resolve (current, metadata)) {
MXFMetadataTrack *track = MXF_METADATA_TRACK (current);
self->tracks[i] = track;
have_track = TRUE;
if ((track->type & 0xf0) == 0x10)
self->n_timecode_tracks++;
else if ((track->type & 0xf0) == 0x20)
self->n_metadata_tracks++;
else if ((track->type & 0xf0) == 0x30)
self->n_essence_tracks++;
else if ((track->type & 0xf0) == 0x40)
self->n_other_tracks++;
} else {
GST_ERROR ("Track couldn't be resolved");
}
} else {
GST_ERROR ("Track not found");
}
}
if (!have_track) {
GST_ERROR ("Couldn't resolve a track");
return FALSE;
}
return
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_package_parent_class)->resolve (m, metadata);
}
static GstStructure *
mxf_metadata_generic_package_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_package_parent_class)->to_structure (m);
MXFMetadataGenericPackage *self = MXF_METADATA_GENERIC_PACKAGE (m);
guint i;
gchar str[96];
mxf_umid_to_string (&self->package_uid, str);
gst_structure_id_set (ret, MXF_QUARK (PACKAGE_UID), G_TYPE_STRING, str, NULL);
if (self->name)
gst_structure_id_set (ret, MXF_QUARK (NAME), G_TYPE_STRING, self->name,
NULL);
if (!mxf_timestamp_is_unknown (&self->package_creation_date)) {
mxf_timestamp_to_string (&self->package_creation_date, str);
gst_structure_id_set (ret, MXF_QUARK (PACKAGE_CREATION_DATE), G_TYPE_STRING,
str, NULL);
}
if (!mxf_timestamp_is_unknown (&self->package_modified_date)) {
mxf_timestamp_to_string (&self->package_modified_date, str);
gst_structure_id_set (ret, MXF_QUARK (PACKAGE_MODIFIED_DATE), G_TYPE_STRING,
str, NULL);
}
if (self->n_tracks > 0) {
GValue arr = { 0, }
, val = {
0,};
g_value_init (&arr, GST_TYPE_ARRAY);
for (i = 0; i < self->n_tracks; i++) {
GstStructure *s;
if (self->tracks[i] == NULL)
continue;
g_value_init (&val, GST_TYPE_STRUCTURE);
s = mxf_metadata_base_to_structure (MXF_METADATA_BASE (self->tracks[i]));
gst_value_set_structure (&val, s);
gst_structure_free (s);
gst_value_array_append_value (&arr, &val);
g_value_unset (&val);
}
if (gst_value_array_get_size (&arr) > 0)
gst_structure_id_set_value (ret, MXF_QUARK (TRACKS), &arr);
g_value_unset (&arr);
}
return ret;
}
static GList *
mxf_metadata_generic_package_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataGenericPackage *self = MXF_METADATA_GENERIC_PACKAGE (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_package_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PACKAGE_UID), 16);
t->size = 32;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &self->package_uid, 32);
mxf_primer_pack_add_mapping (primer, 0x4401, &t->ul);
ret = g_list_prepend (ret, t);
if (self->name) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PACKAGE_NAME), 16);
t->data = mxf_utf8_to_utf16 (self->name, &t->size);
mxf_primer_pack_add_mapping (primer, 0x4402, &t->ul);
ret = g_list_prepend (ret, t);
}
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PACKAGE_CREATION_DATE), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
mxf_timestamp_write (&self->package_creation_date, t->data);
mxf_primer_pack_add_mapping (primer, 0x4405, &t->ul);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PACKAGE_MODIFIED_DATE), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
mxf_timestamp_write (&self->package_modified_date, t->data);
mxf_primer_pack_add_mapping (primer, 0x4404, &t->ul);
ret = g_list_prepend (ret, t);
if (self->tracks) {
guint i;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (TRACKS), 16);
t->size = 8 + 16 * self->n_tracks;
t->data = g_slice_alloc0 (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->n_tracks);
GST_WRITE_UINT32_BE (t->data + 4, 16);
for (i = 0; i < self->n_tracks; i++) {
if (!self->tracks[i])
continue;
memcpy (t->data + 8 + 16 * i,
&MXF_METADATA_BASE (self->tracks[i])->instance_uid, 16);
}
mxf_primer_pack_add_mapping (primer, 0x4403, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_generic_package_init (MXFMetadataGenericPackage * self)
{
}
static void
mxf_metadata_generic_package_class_init (MXFMetadataGenericPackageClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
miniobject_class->finalize = mxf_metadata_generic_package_finalize;
metadata_base_class->handle_tag = mxf_metadata_generic_package_handle_tag;
metadata_base_class->resolve = mxf_metadata_generic_package_resolve;
metadata_base_class->to_structure = mxf_metadata_generic_package_to_structure;
metadata_base_class->write_tags = mxf_metadata_generic_package_write_tags;
}
G_DEFINE_TYPE (MXFMetadataMaterialPackage, mxf_metadata_material_package,
MXF_TYPE_METADATA_GENERIC_PACKAGE);
static gboolean
mxf_metadata_material_package_resolve (MXFMetadataBase * m,
GHashTable * metadata)
{
gboolean ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_material_package_parent_class)->resolve (m, metadata);
MXFMetadataGenericPackage *self = MXF_METADATA_GENERIC_PACKAGE (m);
guint i;
guint ntracks = 0;
if (!ret)
return ret;
for (i = 0; i < self->n_tracks; i++) {
MXFMetadataTrack *track = self->tracks[i];
MXFMetadataSequence *sequence;
guint j;
if (!track)
continue;
sequence = track->sequence;
if (!sequence || !sequence->structural_components)
continue;
for (j = 0; j < sequence->n_structural_components; j++) {
MXFMetadataSourceClip *sc;
MXFMetadataTimelineTrack *st = NULL;
guint k;
if (!sequence->structural_components[j]
|| !MXF_IS_METADATA_SOURCE_CLIP (sequence->structural_components[j]))
continue;
sc = MXF_METADATA_SOURCE_CLIP (sequence->structural_components[j]);
if (!sc->source_package) {
GST_ERROR ("Material package track %u without resolved source package",
i);
track = NULL;
break;
}
if (!mxf_metadata_base_resolve (MXF_METADATA_BASE (sc->source_package),
metadata)) {
GST_ERROR ("Couldn't resolve source package for track %u", i);
track = NULL;
break;
}
sc->source_package->top_level = TRUE;
for (k = 0; k < sc->source_package->parent.n_tracks; k++) {
MXFMetadataTimelineTrack *tmp;
if (!sc->source_package->parent.tracks[k] ||
!MXF_IS_METADATA_TIMELINE_TRACK (sc->source_package->parent.
tracks[k]))
continue;
tmp =
MXF_METADATA_TIMELINE_TRACK (sc->source_package->parent.tracks[k]);
if (tmp->parent.track_id == sc->source_track_id) {
st = tmp;
break;
}
}
if (!st) {
GST_ERROR ("Material package track %u without resolved source track",
i);
track = NULL;
}
}
if (track)
ntracks++;
else
self->tracks[i] = NULL;
}
if (ntracks == 0) {
GST_ERROR ("No tracks could be resolved");
return FALSE;
} else if (ntracks != self->n_tracks) {
GST_WARNING ("Not all tracks could be resolved");
}
return TRUE;
}
static void
mxf_metadata_material_package_init (MXFMetadataMaterialPackage * self)
{
}
static void
mxf_metadata_material_package_class_init (MXFMetadataMaterialPackageClass *
klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->resolve = mxf_metadata_material_package_resolve;
metadata_base_class->name_quark = MXF_QUARK (MATERIAL_PACKAGE);
metadata_class->type = 0x0136;
}
G_DEFINE_TYPE (MXFMetadataSourcePackage, mxf_metadata_source_package,
MXF_TYPE_METADATA_GENERIC_PACKAGE);
static gboolean
mxf_metadata_source_package_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataSourcePackage *self = MXF_METADATA_SOURCE_PACKAGE (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x4701:
if (tag_size != 16)
goto error;
memcpy (&self->descriptor_uid, tag_data, 16);
GST_DEBUG (" descriptor = %s",
mxf_uuid_to_string (&self->descriptor_uid, str));
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_source_package_parent_class)->handle_tag (metadata,
primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid source package local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
static gboolean
mxf_metadata_source_package_resolve (MXFMetadataBase * m, GHashTable * metadata)
{
MXFMetadataSourcePackage *self = MXF_METADATA_SOURCE_PACKAGE (m);
MXFMetadataGenericPackage *package = MXF_METADATA_GENERIC_PACKAGE (m);
MXFMetadataBase *current = NULL;
guint i;
gboolean ret;
MXFMetadataFileDescriptor *d;
if (mxf_uuid_is_zero (&self->descriptor_uid))
return
MXF_METADATA_BASE_CLASS
(mxf_metadata_source_package_parent_class)->resolve (m, metadata);
current = g_hash_table_lookup (metadata, &self->descriptor_uid);
if (!current) {
GST_ERROR ("Descriptor not found");
return FALSE;
}
if (!mxf_metadata_base_resolve (MXF_METADATA_BASE (current), metadata)) {
GST_ERROR ("Couldn't resolve descriptor");
return FALSE;
}
self->descriptor = MXF_METADATA_GENERIC_DESCRIPTOR (current);
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_source_package_parent_class)->resolve (m, metadata);
if (!MXF_IS_METADATA_FILE_DESCRIPTOR (self->descriptor))
return ret;
d = MXF_METADATA_FILE_DESCRIPTOR (current);
for (i = 0; i < package->n_tracks; i++) {
if (!MXF_IS_METADATA_MULTIPLE_DESCRIPTOR (d)) {
if (d->linked_track_id == package->tracks[i]->track_id ||
(d->linked_track_id == 0 && package->n_essence_tracks == 1 &&
(package->tracks[i]->type & 0xf0) == 0x30)) {
package->tracks[i]->descriptor =
g_new0 (MXFMetadataFileDescriptor *, 1);
package->tracks[i]->descriptor[0] = d;
package->tracks[i]->n_descriptor = 1;
break;
}
} else {
guint n_descriptor = 0, j, k = 0;
MXFMetadataMultipleDescriptor *md = MXF_METADATA_MULTIPLE_DESCRIPTOR (d);
for (j = 0; j < md->n_sub_descriptors; j++) {
MXFMetadataFileDescriptor *fd;
if (!md->sub_descriptors[j] ||
!MXF_METADATA_FILE_DESCRIPTOR (md->sub_descriptors[j]))
continue;
fd = MXF_METADATA_FILE_DESCRIPTOR (md->sub_descriptors[j]);
if (fd->linked_track_id == package->tracks[i]->track_id ||
(fd->linked_track_id == 0 && package->n_essence_tracks == 1 &&
(package->tracks[i]->type & 0xf0) == 0x30))
n_descriptor++;
}
package->tracks[i]->descriptor =
g_new0 (MXFMetadataFileDescriptor *, n_descriptor);
package->tracks[i]->n_descriptor = n_descriptor;
for (j = 0; j < md->n_sub_descriptors; j++) {
MXFMetadataFileDescriptor *fd;
if (!md->sub_descriptors[j] ||
!MXF_METADATA_FILE_DESCRIPTOR (md->sub_descriptors[j]))
continue;
fd = MXF_METADATA_FILE_DESCRIPTOR (md->sub_descriptors[j]);
if (fd->linked_track_id == package->tracks[i]->track_id ||
(fd->linked_track_id == 0 && package->n_essence_tracks == 1 &&
(package->tracks[i]->type & 0xf0) == 0x30)) {
package->tracks[i]->descriptor[k] = fd;
k++;
}
}
}
}
return ret;
}
static GstStructure *
mxf_metadata_source_package_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_source_package_parent_class)->to_structure (m);
MXFMetadataSourcePackage *self = MXF_METADATA_SOURCE_PACKAGE (m);
GstStructure *s;
if (!self->descriptor)
return ret;
s = mxf_metadata_base_to_structure (MXF_METADATA_BASE (self->descriptor));
gst_structure_id_set (ret, MXF_QUARK (DESCRIPTOR), GST_TYPE_STRUCTURE, s,
NULL);
gst_structure_free (s);
return ret;
}
static GList *
mxf_metadata_source_package_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataSourcePackage *self = MXF_METADATA_SOURCE_PACKAGE (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_source_package_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
if (self->descriptor) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DESCRIPTOR), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &MXF_METADATA_BASE (self->descriptor)->instance_uid, 16);
mxf_primer_pack_add_mapping (primer, 0x4701, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_source_package_init (MXFMetadataSourcePackage * self)
{
}
static void
mxf_metadata_source_package_class_init (MXFMetadataSourcePackageClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->handle_tag = mxf_metadata_source_package_handle_tag;
metadata_base_class->resolve = mxf_metadata_source_package_resolve;
metadata_base_class->name_quark = MXF_QUARK (SOURCE_PACKAGE);
metadata_base_class->to_structure = mxf_metadata_source_package_to_structure;
metadata_base_class->write_tags = mxf_metadata_source_package_write_tags;
metadata_class->type = 0x0137;
}
G_DEFINE_ABSTRACT_TYPE (MXFMetadataTrack, mxf_metadata_track,
MXF_TYPE_METADATA);
static void
mxf_metadata_track_finalize (GstMiniObject * object)
{
MXFMetadataTrack *self = MXF_METADATA_TRACK (object);
g_free (self->track_name);
self->track_name = NULL;
g_free (self->descriptor);
self->descriptor = NULL;
GST_MINI_OBJECT_CLASS (mxf_metadata_track_parent_class)->finalize (object);
}
static gboolean
mxf_metadata_track_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataTrack *self = MXF_METADATA_TRACK (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x4801:
if (tag_size != 4)
goto error;
self->track_id = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" track id = %u", self->track_id);
break;
case 0x4804:
if (tag_size != 4)
goto error;
self->track_number = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" track number = %u", self->track_number);
break;
case 0x4802:
self->track_name = mxf_utf16_to_utf8 (tag_data, tag_size);
GST_DEBUG (" track name = %s", GST_STR_NULL (self->track_name));
break;
case 0x4803:
if (tag_size != 16)
goto error;
memcpy (&self->sequence_uid, tag_data, 16);
GST_DEBUG (" sequence uid = %s",
mxf_uuid_to_string (&self->sequence_uid, str));
break;
default:
ret =
MXF_METADATA_BASE_CLASS (mxf_metadata_track_parent_class)->handle_tag
(metadata, primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid track local tag 0x%04x of size %u", tag, tag_size);
return FALSE;
}
static gboolean
mxf_metadata_track_resolve (MXFMetadataBase * m, GHashTable * metadata)
{
MXFMetadataTrack *self = MXF_METADATA_TRACK (m);
MXFMetadataBase *current = NULL;
guint i;
current = g_hash_table_lookup (metadata, &self->sequence_uid);
if (current && MXF_IS_METADATA_SEQUENCE (current)) {
if (mxf_metadata_base_resolve (current, metadata)) {
self->sequence = MXF_METADATA_SEQUENCE (current);
} else {
GST_ERROR ("Couldn't resolve sequence");
return FALSE;
}
} else {
GST_ERROR ("Couldn't find sequence");
return FALSE;
}
self->type =
mxf_metadata_track_identifier_parse (&self->sequence->data_definition);
if (self->type == MXF_METADATA_TRACK_UNKNOWN) {
MXFMetadataSequence *sequence = self->sequence;
for (i = 0; i < sequence->n_structural_components; i++) {
MXFMetadataStructuralComponent *component =
sequence->structural_components[i];
if (!component)
continue;
self->type =
mxf_metadata_track_identifier_parse (&component->data_definition);
if (self->type != MXF_METADATA_TRACK_UNKNOWN)
break;
}
}
return MXF_METADATA_BASE_CLASS (mxf_metadata_track_parent_class)->resolve (m,
metadata);
}
static GstStructure *
mxf_metadata_track_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS (mxf_metadata_track_parent_class)->to_structure
(m);
MXFMetadataTrack *self = MXF_METADATA_TRACK (m);
gst_structure_id_set (ret, MXF_QUARK (TRACK_ID), G_TYPE_UINT, self->track_id,
MXF_QUARK (TRACK_NUMBER), G_TYPE_UINT, self->track_number, NULL);
if (self->track_name)
gst_structure_id_set (ret, MXF_QUARK (TRACK_NAME), G_TYPE_STRING,
self->track_name, NULL);
if (self->sequence) {
GstStructure *s =
mxf_metadata_base_to_structure (MXF_METADATA_BASE (self->sequence));
gst_structure_id_set (ret, MXF_QUARK (SEQUENCE), GST_TYPE_STRUCTURE, s,
NULL);
gst_structure_free (s);
}
return ret;
}
static GList *
mxf_metadata_track_write_tags (MXFMetadataBase * m, MXFPrimerPack * primer)
{
MXFMetadataTrack *self = MXF_METADATA_TRACK (m);
GList *ret =
MXF_METADATA_BASE_CLASS (mxf_metadata_track_parent_class)->write_tags (m,
primer);
MXFLocalTag *t;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (TRACK_ID), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->track_id);
mxf_primer_pack_add_mapping (primer, 0x4801, &t->ul);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (TRACK_NUMBER), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->track_number);
mxf_primer_pack_add_mapping (primer, 0x4804, &t->ul);
ret = g_list_prepend (ret, t);
if (self->track_name) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (TRACK_NAME), 16);
t->data = mxf_utf8_to_utf16 (self->track_name, &t->size);
mxf_primer_pack_add_mapping (primer, 0x4802, &t->ul);
ret = g_list_prepend (ret, t);
}
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (SEQUENCE), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &MXF_METADATA_BASE (self->sequence)->instance_uid, 16);
mxf_primer_pack_add_mapping (primer, 0x4803, &t->ul);
ret = g_list_prepend (ret, t);
return ret;
}
static void
mxf_metadata_track_init (MXFMetadataTrack * self)
{
}
static void
mxf_metadata_track_class_init (MXFMetadataTrackClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
miniobject_class->finalize = mxf_metadata_track_finalize;
metadata_base_class->handle_tag = mxf_metadata_track_handle_tag;
metadata_base_class->resolve = mxf_metadata_track_resolve;
metadata_base_class->to_structure = mxf_metadata_track_to_structure;
metadata_base_class->write_tags = mxf_metadata_track_write_tags;
}
/* SMPTE RP224 */
static const struct
{
const MXFUL *ul;
const MXFMetadataTrackType type;
} mxf_metadata_track_identifier[] = {
{
MXF_UL (TRACK_TIMECODE_12M_INACTIVE),
MXF_METADATA_TRACK_TIMECODE_12M_INACTIVE}, {
MXF_UL (TRACK_TIMECODE_12M_ACTIVE), MXF_METADATA_TRACK_TIMECODE_12M_ACTIVE}, {
MXF_UL (TRACK_TIMECODE_309M), MXF_METADATA_TRACK_TIMECODE_309M}, {
MXF_UL (TRACK_METADATA), MXF_METADATA_TRACK_METADATA}, {
MXF_UL (TRACK_PICTURE_ESSENCE), MXF_METADATA_TRACK_PICTURE_ESSENCE}, {
MXF_UL (TRACK_SOUND_ESSENCE), MXF_METADATA_TRACK_SOUND_ESSENCE}, {
MXF_UL (TRACK_DATA_ESSENCE), MXF_METADATA_TRACK_DATA_ESSENCE}, {
MXF_UL (TRACK_AUXILIARY_DATA), MXF_METADATA_TRACK_AUXILIARY_DATA}, {
MXF_UL (TRACK_PARSED_TEXT), MXF_METADATA_TRACK_PARSED_TEXT},
/* Avid video? */
{
MXF_UL (TRACK_AVID_PICTURE_ESSENCE), MXF_METADATA_TRACK_PICTURE_ESSENCE}
};
MXFMetadataTrackType
mxf_metadata_track_identifier_parse (const MXFUL * track_identifier)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (mxf_metadata_track_identifier); i++)
if (mxf_ul_is_equal (mxf_metadata_track_identifier[i].ul, track_identifier))
return mxf_metadata_track_identifier[i].type;
return MXF_METADATA_TRACK_UNKNOWN;
}
const MXFUL *
mxf_metadata_track_identifier_get (MXFMetadataTrackType type)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (mxf_metadata_track_identifier); i++)
if (mxf_metadata_track_identifier[i].type == type)
return mxf_metadata_track_identifier[i].ul;
return NULL;
}
G_DEFINE_TYPE (MXFMetadataTimelineTrack, mxf_metadata_timeline_track,
MXF_TYPE_METADATA_TRACK);
static gboolean
mxf_metadata_timeline_track_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataTimelineTrack *self = MXF_METADATA_TIMELINE_TRACK (metadata);
gboolean ret = TRUE;
switch (tag) {
case 0x4b01:
if (!mxf_fraction_parse (&self->edit_rate, tag_data, tag_size))
goto error;
GST_DEBUG (" edit rate = %d/%d", self->edit_rate.n, self->edit_rate.d);
break;
case 0x4b02:
if (tag_size != 8)
goto error;
self->origin = GST_READ_UINT64_BE (tag_data);
GST_DEBUG (" origin = %" G_GINT64_FORMAT, self->origin);
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_timeline_track_parent_class)->handle_tag (metadata,
primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid timeline track local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
static GstStructure *
mxf_metadata_timeline_track_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_timeline_track_parent_class)->to_structure (m);
MXFMetadataTimelineTrack *self = MXF_METADATA_TIMELINE_TRACK (m);
gst_structure_id_set (ret, MXF_QUARK (EDIT_RATE), GST_TYPE_FRACTION,
self->edit_rate.n, self->edit_rate.d, MXF_QUARK (ORIGIN), G_TYPE_INT64,
self->origin, NULL);
return ret;
}
static GList *
mxf_metadata_timeline_track_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataTimelineTrack *self = MXF_METADATA_TIMELINE_TRACK (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_timeline_track_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (EDIT_RATE), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->edit_rate.n);
GST_WRITE_UINT32_BE (t->data + 4, self->edit_rate.d);
mxf_primer_pack_add_mapping (primer, 0x4b01, &t->ul);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (ORIGIN), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT64_BE (t->data, self->origin);
mxf_primer_pack_add_mapping (primer, 0x4b02, &t->ul);
ret = g_list_prepend (ret, t);
return ret;
}
static void
mxf_metadata_timeline_track_init (MXFMetadataTimelineTrack * self)
{
}
static void
mxf_metadata_timeline_track_class_init (MXFMetadataTimelineTrackClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->handle_tag = mxf_metadata_timeline_track_handle_tag;
metadata_base_class->name_quark = MXF_QUARK (TIMELINE_TRACK);
metadata_base_class->to_structure = mxf_metadata_timeline_track_to_structure;
metadata_base_class->write_tags = mxf_metadata_timeline_track_write_tags;
metadata_class->type = 0x013b;
}
G_DEFINE_TYPE (MXFMetadataEventTrack, mxf_metadata_event_track,
MXF_TYPE_METADATA_TRACK);
static gboolean
mxf_metadata_event_track_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataEventTrack *self = MXF_METADATA_EVENT_TRACK (metadata);
gboolean ret = TRUE;
switch (tag) {
case 0x4901:
if (!mxf_fraction_parse (&self->event_edit_rate, tag_data, tag_size))
goto error;
GST_DEBUG (" event edit rate = %d/%d", self->event_edit_rate.n,
self->event_edit_rate.d);
break;
case 0x4902:
if (tag_size != 8)
goto error;
self->event_origin = GST_READ_UINT64_BE (tag_data);
GST_DEBUG (" event origin = %" G_GINT64_FORMAT, self->event_origin);
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_event_track_parent_class)->handle_tag (metadata, primer,
tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid event track local tag 0x%04x of size %u", tag, tag_size);
return FALSE;
}
static GstStructure *
mxf_metadata_event_track_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_event_track_parent_class)->to_structure (m);
MXFMetadataEventTrack *self = MXF_METADATA_EVENT_TRACK (m);
gst_structure_id_set (ret, MXF_QUARK (EVENT_EDIT_RATE), GST_TYPE_FRACTION,
self->event_edit_rate.n, self->event_edit_rate.d,
MXF_QUARK (EVENT_ORIGIN), G_TYPE_INT64, self->event_origin, NULL);
return ret;
}
static GList *
mxf_metadata_event_track_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataEventTrack *self = MXF_METADATA_EVENT_TRACK (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_event_track_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (EVENT_EDIT_RATE), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->event_edit_rate.n);
GST_WRITE_UINT32_BE (t->data + 4, self->event_edit_rate.d);
mxf_primer_pack_add_mapping (primer, 0x4901, &t->ul);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (EVENT_ORIGIN), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT64_BE (t->data, self->event_origin);
mxf_primer_pack_add_mapping (primer, 0x4902, &t->ul);
ret = g_list_prepend (ret, t);
return ret;
}
static void
mxf_metadata_event_track_init (MXFMetadataEventTrack * self)
{
}
static void
mxf_metadata_event_track_class_init (MXFMetadataEventTrackClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->handle_tag = mxf_metadata_event_track_handle_tag;
metadata_base_class->name_quark = MXF_QUARK (EVENT_TRACK);
metadata_base_class->to_structure = mxf_metadata_event_track_to_structure;
metadata_base_class->write_tags = mxf_metadata_event_track_write_tags;
metadata_class->type = 0x0139;
}
G_DEFINE_TYPE (MXFMetadataStaticTrack, mxf_metadata_static_track,
MXF_TYPE_METADATA_TRACK);
static void
mxf_metadata_static_track_init (MXFMetadataStaticTrack * self)
{
}
static void
mxf_metadata_static_track_class_init (MXFMetadataStaticTrackClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->name_quark = MXF_QUARK (STATIC_TRACK);
metadata_class->type = 0x013a;
}
G_DEFINE_TYPE (MXFMetadataSequence, mxf_metadata_sequence, MXF_TYPE_METADATA);
static void
mxf_metadata_sequence_finalize (GstMiniObject * object)
{
MXFMetadataSequence *self = MXF_METADATA_SEQUENCE (object);
g_free (self->structural_components_uids);
self->structural_components_uids = NULL;
g_free (self->structural_components);
self->structural_components = NULL;
GST_MINI_OBJECT_CLASS (mxf_metadata_sequence_parent_class)->finalize (object);
}
static gboolean
mxf_metadata_sequence_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataSequence *self = MXF_METADATA_SEQUENCE (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x0201:
if (tag_size != 16)
goto error;
memcpy (&self->data_definition, tag_data, 16);
GST_DEBUG (" data definition = %s",
mxf_ul_to_string (&self->data_definition, str));
break;
case 0x0202:
if (tag_size != 8)
goto error;
self->duration = GST_READ_UINT64_BE (tag_data);
GST_DEBUG (" duration = %" G_GINT64_FORMAT, self->duration);
break;
case 0x1001:
if (!mxf_uuid_array_parse (&self->structural_components_uids,
&self->n_structural_components, tag_data, tag_size))
goto error;
GST_DEBUG (" number of structural components = %u",
self->n_structural_components);
#ifndef GST_DISABLE_GST_DEBUG
{
guint i;
for (i = 0; i < self->n_structural_components; i++) {
GST_DEBUG (" structural component %u = %s", i,
mxf_uuid_to_string (&self->structural_components_uids[i], str));
}
}
#endif
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_sequence_parent_class)->handle_tag (metadata, primer,
tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid sequence local tag 0x%04x of size %u", tag, tag_size);
return FALSE;
}
static gboolean
mxf_metadata_sequence_resolve (MXFMetadataBase * m, GHashTable * metadata)
{
MXFMetadataSequence *self = MXF_METADATA_SEQUENCE (m);
MXFMetadataBase *current = NULL;
guint i;
if (self->structural_components)
memset (self->structural_components, 0,
sizeof (gpointer) * self->n_structural_components);
else
self->structural_components =
g_new0 (MXFMetadataStructuralComponent *,
self->n_structural_components);
for (i = 0; i < self->n_structural_components; i++) {
current =
g_hash_table_lookup (metadata, &self->structural_components_uids[i]);
if (current && MXF_IS_METADATA_STRUCTURAL_COMPONENT (current)) {
if (mxf_metadata_base_resolve (current, metadata)) {
self->structural_components[i] =
MXF_METADATA_STRUCTURAL_COMPONENT (current);
} else {
GST_ERROR ("Couldn't resolve structural component");
return FALSE;
}
} else {
GST_ERROR ("Structural component not found");
return FALSE;
}
}
return
MXF_METADATA_BASE_CLASS (mxf_metadata_sequence_parent_class)->resolve (m,
metadata);
}
static GstStructure *
mxf_metadata_sequence_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS (mxf_metadata_sequence_parent_class)->to_structure
(m);
MXFMetadataSequence *self = MXF_METADATA_SEQUENCE (m);
guint i;
gchar str[48];
mxf_ul_to_string (&self->data_definition, str);
gst_structure_id_set (ret, MXF_QUARK (DATA_DEFINITION), G_TYPE_STRING, str,
MXF_QUARK (DURATION), G_TYPE_INT64, self->duration, NULL);
if (self->n_structural_components > 0) {
GValue arr = { 0, }
, val = {
0,};
g_value_init (&arr, GST_TYPE_ARRAY);
for (i = 0; i < self->n_structural_components; i++) {
GstStructure *s;
if (self->structural_components[i] == NULL)
continue;
g_value_init (&val, GST_TYPE_STRUCTURE);
s = mxf_metadata_base_to_structure (MXF_METADATA_BASE
(self->structural_components[i]));
gst_value_set_structure (&val, s);
gst_structure_free (s);
gst_value_array_append_value (&arr, &val);
g_value_unset (&val);
}
if (gst_value_array_get_size (&arr) > 0)
gst_structure_id_set_value (ret, MXF_QUARK (STRUCTURAL_COMPONENTS), &arr);
g_value_unset (&arr);
}
return ret;
}
static GList *
mxf_metadata_sequence_write_tags (MXFMetadataBase * m, MXFPrimerPack * primer)
{
MXFMetadataSequence *self = MXF_METADATA_SEQUENCE (m);
GList *ret =
MXF_METADATA_BASE_CLASS (mxf_metadata_sequence_parent_class)->write_tags
(m, primer);
MXFLocalTag *t;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DATA_DEFINITION), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &self->data_definition, 16);
mxf_primer_pack_add_mapping (primer, 0x0201, &t->ul);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DURATION), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT64_BE (t->data, self->duration);
mxf_primer_pack_add_mapping (primer, 0x0202, &t->ul);
ret = g_list_prepend (ret, t);
if (self->structural_components) {
guint i;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (STRUCTURAL_COMPONENTS), 16);
t->size = 8 + 16 * self->n_structural_components;
t->data = g_slice_alloc0 (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->n_structural_components);
GST_WRITE_UINT32_BE (t->data + 4, 16);
for (i = 0; i < self->n_structural_components; i++) {
if (!self->structural_components[i])
continue;
memcpy (t->data + 8 + i * 16,
&MXF_METADATA_BASE (self->structural_components[i])->instance_uid,
16);
}
mxf_primer_pack_add_mapping (primer, 0x1001, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_sequence_init (MXFMetadataSequence * self)
{
self->duration = -1;
}
static void
mxf_metadata_sequence_class_init (MXFMetadataSequenceClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
miniobject_class->finalize = mxf_metadata_sequence_finalize;
metadata_base_class->handle_tag = mxf_metadata_sequence_handle_tag;
metadata_base_class->resolve = mxf_metadata_sequence_resolve;
metadata_base_class->name_quark = MXF_QUARK (SEQUENCE);
metadata_base_class->to_structure = mxf_metadata_sequence_to_structure;
metadata_base_class->write_tags = mxf_metadata_sequence_write_tags;
metadata_class->type = 0x010f;
}
G_DEFINE_TYPE (MXFMetadataStructuralComponent,
mxf_metadata_structural_component, MXF_TYPE_METADATA);
static gboolean
mxf_metadata_structural_component_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataStructuralComponent *self =
MXF_METADATA_STRUCTURAL_COMPONENT (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x0201:
if (tag_size != 16)
goto error;
memcpy (&self->data_definition, tag_data, 16);
GST_DEBUG (" data definition = %s",
mxf_ul_to_string (&self->data_definition, str));
break;
case 0x0202:
if (tag_size != 8)
goto error;
self->duration = GST_READ_UINT64_BE (tag_data);
GST_DEBUG (" duration = %" G_GINT64_FORMAT, self->duration);
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_structural_component_parent_class)->handle_tag
(metadata, primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid structural component local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
static GstStructure *
mxf_metadata_structural_component_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_structural_component_parent_class)->to_structure (m);
MXFMetadataStructuralComponent *self = MXF_METADATA_STRUCTURAL_COMPONENT (m);
gchar str[48];
mxf_ul_to_string (&self->data_definition, str);
gst_structure_id_set (ret, MXF_QUARK (DATA_DEFINITION), G_TYPE_STRING, str,
MXF_QUARK (DURATION), G_TYPE_INT64, self->duration, NULL);
return ret;
}
static GList *
mxf_metadata_structural_component_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataStructuralComponent *self = MXF_METADATA_STRUCTURAL_COMPONENT (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_structural_component_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DATA_DEFINITION), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &self->data_definition, 16);
mxf_primer_pack_add_mapping (primer, 0x0201, &t->ul);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DURATION), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT64_BE (t->data, self->duration);
mxf_primer_pack_add_mapping (primer, 0x0202, &t->ul);
ret = g_list_prepend (ret, t);
return ret;
}
static void
mxf_metadata_structural_component_init (MXFMetadataStructuralComponent * self)
{
self->duration = -1;
}
static void
mxf_metadata_structural_component_class_init
(MXFMetadataStructuralComponentClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
metadata_base_class->handle_tag =
mxf_metadata_structural_component_handle_tag;
metadata_base_class->to_structure =
mxf_metadata_structural_component_to_structure;
metadata_base_class->write_tags =
mxf_metadata_structural_component_write_tags;
}
G_DEFINE_TYPE (MXFMetadataTimecodeComponent, mxf_metadata_timecode_component,
MXF_TYPE_METADATA_STRUCTURAL_COMPONENT);
static gboolean
mxf_metadata_timecode_component_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataTimecodeComponent *self =
MXF_METADATA_TIMECODE_COMPONENT (metadata);
gboolean ret = TRUE;
switch (tag) {
case 0x1502:
if (tag_size != 2)
goto error;
self->rounded_timecode_base = GST_READ_UINT16_BE (tag_data);
GST_DEBUG (" rounded timecode base = %u", self->rounded_timecode_base);
break;
case 0x1501:
if (tag_size != 8)
goto error;
self->start_timecode = GST_READ_UINT64_BE (tag_data);
GST_DEBUG (" start timecode = %" G_GINT64_FORMAT, self->start_timecode);
break;
case 0x1503:
if (tag_size != 1)
goto error;
self->drop_frame = (GST_READ_UINT8 (tag_data) != 0);
GST_DEBUG (" drop frame = %s", (self->drop_frame) ? "yes" : "no");
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_timecode_component_parent_class)->handle_tag (metadata,
primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid timecode component local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
static GstStructure *
mxf_metadata_timecode_component_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_timecode_component_parent_class)->to_structure (m);
MXFMetadataTimecodeComponent *self = MXF_METADATA_TIMECODE_COMPONENT (m);
gst_structure_id_set (ret, MXF_QUARK (START_TIMECODE), G_TYPE_INT64,
self->start_timecode, MXF_QUARK (ROUNDED_TIMECODE_BASE), G_TYPE_UINT,
self->rounded_timecode_base, MXF_QUARK (DROP_FRAME), G_TYPE_BOOLEAN,
self->drop_frame, NULL);
return ret;
}
static GList *
mxf_metadata_timecode_component_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataTimecodeComponent *self = MXF_METADATA_TIMECODE_COMPONENT (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_timecode_component_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (ROUNDED_TIMECODE_BASE), 16);
t->size = 2;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT16_BE (t->data, self->rounded_timecode_base);
mxf_primer_pack_add_mapping (primer, 0x1502, &t->ul);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (START_TIMECODE), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT64_BE (t->data, self->start_timecode);
mxf_primer_pack_add_mapping (primer, 0x1501, &t->ul);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DROP_FRAME), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, (self->drop_frame) ? 1 : 0);
mxf_primer_pack_add_mapping (primer, 0x1503, &t->ul);
ret = g_list_prepend (ret, t);
return ret;
}
static void
mxf_metadata_timecode_component_init (MXFMetadataTimecodeComponent * self)
{
}
static void
mxf_metadata_timecode_component_class_init (MXFMetadataTimecodeComponentClass *
klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->handle_tag = mxf_metadata_timecode_component_handle_tag;
metadata_base_class->name_quark = MXF_QUARK (TIMECODE_COMPONENT);
metadata_base_class->to_structure =
mxf_metadata_timecode_component_to_structure;
metadata_base_class->write_tags = mxf_metadata_timecode_component_write_tags;
metadata_class->type = 0x0114;
}
G_DEFINE_TYPE (MXFMetadataSourceClip, mxf_metadata_source_clip,
MXF_TYPE_METADATA_STRUCTURAL_COMPONENT);
static gboolean
mxf_metadata_source_clip_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataSourceClip *self = MXF_METADATA_SOURCE_CLIP (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[96];
#endif
switch (tag) {
case 0x1201:
if (tag_size != 8)
goto error;
self->start_position = GST_READ_UINT64_BE (tag_data);
GST_DEBUG (" start position = %" G_GINT64_FORMAT, self->start_position);
break;
case 0x1101:
if (tag_size != 32)
goto error;
memcpy (&self->source_package_id, tag_data, 32);
GST_DEBUG (" source package id = %s",
mxf_umid_to_string (&self->source_package_id, str));
break;
case 0x1102:
if (tag_size != 4)
goto error;
self->source_track_id = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" source track id = %u", self->source_track_id);
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_source_clip_parent_class)->handle_tag (metadata, primer,
tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid source clip local tag 0x%04x of size %u", tag, tag_size);
return FALSE;
}
static gboolean
mxf_metadata_source_clip_resolve (MXFMetadataBase * m, GHashTable * metadata)
{
MXFMetadataSourceClip *self = MXF_METADATA_SOURCE_CLIP (m);
MXFMetadataBase *current = NULL;
GHashTableIter iter;
g_hash_table_iter_init (&iter, metadata);
while (g_hash_table_iter_next (&iter, NULL, (gpointer) & current)) {
if (MXF_IS_METADATA_SOURCE_PACKAGE (current)) {
MXFMetadataGenericPackage *p = MXF_METADATA_GENERIC_PACKAGE (current);
if (mxf_umid_is_equal (&p->package_uid, &self->source_package_id)) {
self->source_package = MXF_METADATA_SOURCE_PACKAGE (current);
break;
}
}
}
return
MXF_METADATA_BASE_CLASS (mxf_metadata_source_clip_parent_class)->resolve
(m, metadata);
}
static GstStructure *
mxf_metadata_source_clip_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_source_clip_parent_class)->to_structure (m);
MXFMetadataSourceClip *self = MXF_METADATA_SOURCE_CLIP (m);
gchar str[96];
mxf_umid_to_string (&self->source_package_id, str);
gst_structure_id_set (ret, MXF_QUARK (START_POSITION), G_TYPE_INT64,
self->start_position, MXF_QUARK (SOURCE_PACKAGE), G_TYPE_STRING, str,
MXF_QUARK (SOURCE_TRACK_ID), G_TYPE_UINT, self->source_track_id, NULL);
return ret;
}
static GList *
mxf_metadata_source_clip_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataSourceClip *self = MXF_METADATA_SOURCE_CLIP (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_source_clip_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (START_POSITION), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT64_BE (t->data, self->start_position);
mxf_primer_pack_add_mapping (primer, 0x1201, &t->ul);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (SOURCE_PACKAGE_ID), 16);
t->size = 32;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &self->source_package_id, 32);
mxf_primer_pack_add_mapping (primer, 0x1101, &t->ul);
ret = g_list_prepend (ret, t);
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (SOURCE_TRACK_ID), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->source_track_id);
mxf_primer_pack_add_mapping (primer, 0x1102, &t->ul);
ret = g_list_prepend (ret, t);
return ret;
}
static void
mxf_metadata_source_clip_init (MXFMetadataSourceClip * self)
{
}
static void
mxf_metadata_source_clip_class_init (MXFMetadataSourceClipClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->handle_tag = mxf_metadata_source_clip_handle_tag;
metadata_base_class->resolve = mxf_metadata_source_clip_resolve;
metadata_base_class->name_quark = MXF_QUARK (SOURCE_CLIP);
metadata_base_class->to_structure = mxf_metadata_source_clip_to_structure;
metadata_base_class->write_tags = mxf_metadata_source_clip_write_tags;
metadata_class->type = 0x0111;
}
G_DEFINE_TYPE (MXFMetadataDMSourceClip, mxf_metadata_dm_source_clip,
MXF_TYPE_METADATA_SOURCE_CLIP);
static void
mxf_metadata_dm_source_clip_finalize (GstMiniObject * object)
{
MXFMetadataDMSourceClip *self = MXF_METADATA_DM_SOURCE_CLIP (object);
g_free (self->track_ids);
self->track_ids = NULL;
GST_MINI_OBJECT_CLASS (mxf_metadata_dm_source_clip_parent_class)->finalize
(object);
}
static gboolean
mxf_metadata_dm_source_clip_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataDMSourceClip *self = MXF_METADATA_DM_SOURCE_CLIP (metadata);
gboolean ret = TRUE;
switch (tag) {
case 0x6103:
{
guint32 len;
guint i;
if (tag_size < 8)
goto error;
len = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" number of track ids = %u", len);
if (len == 0)
return TRUE;
if (GST_READ_UINT32_BE (tag_data + 4) != 4)
goto error;
if (tag_size < 8 + 4 * len)
goto error;
tag_data += 8;
tag_size -= 8;
self->n_track_ids = len;
self->track_ids = g_new0 (guint32, len);
for (i = 0; i < len; i++) {
self->track_ids[i] = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" track id %u = %u", i, self->track_ids[i]);
tag_data += 4;
tag_size -= 4;
}
break;
}
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_dm_source_clip_parent_class)->handle_tag (metadata,
primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid DM source clip local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
static GstStructure *
mxf_metadata_dm_source_clip_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_dm_source_clip_parent_class)->to_structure (m);
MXFMetadataDMSourceClip *self = MXF_METADATA_DM_SOURCE_CLIP (m);
guint i;
if (self->n_track_ids > 0) {
GValue arr = { 0, }
, val = {
0,};
g_value_init (&arr, GST_TYPE_ARRAY);
for (i = 0; i < self->n_track_ids; i++) {
g_value_init (&val, G_TYPE_UINT);
g_value_set_uint (&val, self->track_ids[i]);
gst_value_array_append_value (&arr, &val);
g_value_unset (&val);
}
if (gst_value_array_get_size (&arr) > 0)
gst_structure_id_set_value (ret, MXF_QUARK (TRACK_IDS), &arr);
g_value_unset (&arr);
}
return ret;
}
static GList *
mxf_metadata_dm_source_clip_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataDMSourceClip *self = MXF_METADATA_DM_SOURCE_CLIP (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_dm_source_clip_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
if (self->track_ids) {
guint i;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DM_SOURCECLIP_TRACK_IDS), 16);
t->size = 8 + 4 * self->n_track_ids;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->n_track_ids);
GST_WRITE_UINT32_BE (t->data + 4, 4);
for (i = 0; i < self->n_track_ids; i++)
GST_WRITE_UINT32_BE (t->data + 8 + i * 4, self->track_ids[i]);
mxf_primer_pack_add_mapping (primer, 0x6103, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_dm_source_clip_init (MXFMetadataDMSourceClip * self)
{
}
static void
mxf_metadata_dm_source_clip_class_init (MXFMetadataDMSourceClipClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
miniobject_class->finalize = mxf_metadata_dm_source_clip_finalize;
metadata_base_class->handle_tag = mxf_metadata_dm_source_clip_handle_tag;
metadata_base_class->name_quark = MXF_QUARK (DM_SOURCE_CLIP);
metadata_base_class->to_structure = mxf_metadata_dm_source_clip_to_structure;
metadata_base_class->write_tags = mxf_metadata_dm_source_clip_write_tags;
metadata_class->type = 0x0145;
}
G_DEFINE_TYPE (MXFMetadataDMSegment, mxf_metadata_dm_segment,
MXF_TYPE_METADATA_STRUCTURAL_COMPONENT);
static void
mxf_metadata_dm_segment_finalize (GstMiniObject * object)
{
MXFMetadataDMSegment *self = MXF_METADATA_DM_SEGMENT (object);
g_free (self->track_ids);
self->track_ids = NULL;
g_free (self->event_comment);
self->event_comment = NULL;
GST_MINI_OBJECT_CLASS (mxf_metadata_dm_segment_parent_class)->finalize
(object);
}
static gboolean
mxf_metadata_dm_segment_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataDMSegment *self = MXF_METADATA_DM_SEGMENT (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x0601:
if (tag_size != 8)
goto error;
self->event_start_position = GST_READ_UINT64_BE (tag_data);
GST_DEBUG (" event start position = %" G_GINT64_FORMAT,
self->event_start_position);
break;
case 0x0602:
self->event_comment = mxf_utf16_to_utf8 (tag_data, tag_size);
GST_DEBUG (" event comment = %s", GST_STR_NULL (self->event_comment));
break;
case 0x6102:
{
guint32 len;
guint i;
if (tag_size < 8)
goto error;
len = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" number of track ids = %u", len);
if (len == 0)
return TRUE;
if (GST_READ_UINT32_BE (tag_data + 4) != 4)
goto error;
if (len * 4 + 8 < tag_size)
goto error;
self->n_track_ids = len;
self->track_ids = g_new0 (guint32, len);
tag_data += 8;
tag_size -= 8;
for (i = 0; i < len; i++) {
self->track_ids[i] = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" track id %u = %u", i, self->track_ids[i]);
tag_data += 4;
tag_size -= 4;
}
break;
}
case 0x6101:
if (tag_size != 16)
goto error;
memcpy (&self->dm_framework_uid, tag_data, 16);
GST_DEBUG (" DM framework = %s",
mxf_uuid_to_string (&self->dm_framework_uid, str));
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_dm_segment_parent_class)->handle_tag (metadata, primer,
tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid DM segment local tag 0x%04x of size %u", tag, tag_size);
return FALSE;
}
static gboolean
mxf_metadata_dm_segment_resolve (MXFMetadataBase * m, GHashTable * metadata)
{
MXFMetadataDMSegment *self = MXF_METADATA_DM_SEGMENT (m);
MXFMetadataBase *current = NULL;
current = g_hash_table_lookup (metadata, &self->dm_framework_uid);
if (current && MXF_IS_DESCRIPTIVE_METADATA_FRAMEWORK (current)) {
if (mxf_metadata_base_resolve (current, metadata)) {
self->dm_framework = MXF_DESCRIPTIVE_METADATA_FRAMEWORK (current);
} else {
GST_ERROR ("Couldn't resolve DM framework");
return FALSE;
}
} else {
GST_ERROR ("Couldn't find DM framework");
return FALSE;
}
return
MXF_METADATA_BASE_CLASS (mxf_metadata_dm_segment_parent_class)->resolve
(m, metadata);
}
static GstStructure *
mxf_metadata_dm_segment_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_dm_segment_parent_class)->to_structure (m);
MXFMetadataDMSegment *self = MXF_METADATA_DM_SEGMENT (m);
guint i;
gst_structure_id_set (ret, MXF_QUARK (EVENT_START_POSITION), G_TYPE_INT64,
self->event_start_position, NULL);
if (self->event_comment)
gst_structure_id_set (ret, MXF_QUARK (EVENT_COMMENT), G_TYPE_STRING,
self->event_comment, NULL);
/* FIXME: DMS1 doesn't support serializing to a structure yet */
#if 0
if (self->dm_framework) {
GstStructure *s =
mxf_metadata_base_to_structure (MXF_METADATA_BASE (self->dm_framework));
gst_structure_id_set (ret, MXF_QUARK (DM_FRAMEWORK), GST_TYPE_STRUCTURE,
s, NULL);
gst_structure_free (s);
}
#endif
if (self->n_track_ids > 0) {
GValue arr = { 0, }
, val = {
0,};
g_value_init (&arr, GST_TYPE_ARRAY);
for (i = 0; i < self->n_track_ids; i++) {
g_value_init (&val, G_TYPE_UINT);
g_value_set_uint (&val, self->track_ids[i]);
gst_value_array_append_value (&arr, &val);
g_value_unset (&val);
}
if (gst_value_array_get_size (&arr) > 0)
gst_structure_id_set_value (ret, MXF_QUARK (TRACK_IDS), &arr);
g_value_unset (&arr);
}
return ret;
}
static GList *
mxf_metadata_dm_segment_write_tags (MXFMetadataBase * m, MXFPrimerPack * primer)
{
MXFMetadataDMSegment *self = MXF_METADATA_DM_SEGMENT (m);
GList *ret =
MXF_METADATA_BASE_CLASS (mxf_metadata_dm_segment_parent_class)->write_tags
(m, primer);
MXFLocalTag *t;
if (self->event_start_position != -1) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (EVENT_START_POSITION), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT64_BE (t->data, self->event_start_position);
mxf_primer_pack_add_mapping (primer, 0x0601, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->event_comment) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (EVENT_COMMENT), 16);
t->data = mxf_utf8_to_utf16 (self->event_comment, &t->size);
mxf_primer_pack_add_mapping (primer, 0x0602, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->track_ids) {
guint i;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DM_SEGMENT_TRACK_IDS), 16);
t->size = 8 + 4 * self->n_track_ids;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->n_track_ids);
GST_WRITE_UINT32_BE (t->data + 4, 4);
for (i = 0; i < self->n_track_ids; i++)
GST_WRITE_UINT32_BE (t->data + 8 + i * 4, self->track_ids[i]);
mxf_primer_pack_add_mapping (primer, 0x6102, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->dm_framework) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DM_FRAMEWORK), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &MXF_METADATA_BASE (self->dm_framework)->instance_uid, 16);
mxf_primer_pack_add_mapping (primer, 0x6101, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_dm_segment_init (MXFMetadataDMSegment * self)
{
self->event_start_position = -1;
}
static void
mxf_metadata_dm_segment_class_init (MXFMetadataDMSegmentClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
miniobject_class->finalize = mxf_metadata_dm_segment_finalize;
metadata_base_class->handle_tag = mxf_metadata_dm_segment_handle_tag;
metadata_base_class->resolve = mxf_metadata_dm_segment_resolve;
metadata_base_class->name_quark = MXF_QUARK (DM_SEGMENT);
metadata_base_class->to_structure = mxf_metadata_dm_segment_to_structure;
metadata_base_class->write_tags = mxf_metadata_dm_segment_write_tags;
metadata_class->type = 0x0141;
}
G_DEFINE_ABSTRACT_TYPE (MXFMetadataGenericDescriptor,
mxf_metadata_generic_descriptor, MXF_TYPE_METADATA);
static void
mxf_metadata_generic_descriptor_finalize (GstMiniObject * object)
{
MXFMetadataGenericDescriptor *self = MXF_METADATA_GENERIC_DESCRIPTOR (object);
g_free (self->locators_uids);
self->locators_uids = NULL;
g_free (self->locators);
self->locators = NULL;
GST_MINI_OBJECT_CLASS (mxf_metadata_generic_descriptor_parent_class)->finalize
(object);
}
static gboolean
mxf_metadata_generic_descriptor_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataGenericDescriptor *self =
MXF_METADATA_GENERIC_DESCRIPTOR (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x2f01:
if (!mxf_uuid_array_parse (&self->locators_uids, &self->n_locators,
tag_data, tag_size))
goto error;
GST_DEBUG (" number of locators = %u", self->n_locators);
#ifndef GST_DISABLE_GST_DEBUG
{
guint i;
for (i = 0; i < self->n_locators; i++) {
GST_DEBUG (" locator %u = %s", i,
mxf_uuid_to_string (&self->locators_uids[i], str));
}
}
#endif
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_descriptor_parent_class)->handle_tag (metadata,
primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid generic descriptor local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
static gboolean
mxf_metadata_generic_descriptor_resolve (MXFMetadataBase * m,
GHashTable * metadata)
{
MXFMetadataGenericDescriptor *self = MXF_METADATA_GENERIC_DESCRIPTOR (m);
MXFMetadataBase *current = NULL;
guint i;
gboolean have_locator = FALSE;
if (self->locators)
memset (self->locators, 0, sizeof (gpointer) * self->n_locators);
else
self->locators = g_new0 (MXFMetadataLocator *, self->n_locators);
for (i = 0; i < self->n_locators; i++) {
current = g_hash_table_lookup (metadata, &self->locators_uids[i]);
if (current && MXF_IS_METADATA_LOCATOR (current)) {
if (mxf_metadata_base_resolve (current, metadata)) {
self->locators[i] = MXF_METADATA_LOCATOR (current);
have_locator = TRUE;
} else {
GST_ERROR ("Couldn't resolve locator");
}
} else {
GST_ERROR ("Locator not found");
}
}
if (!have_locator && self->n_locators > 0) {
GST_ERROR ("Couldn't resolve a locator");
return FALSE;
}
return
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_descriptor_parent_class)->resolve (m, metadata);
}
static GstStructure *
mxf_metadata_generic_descriptor_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_descriptor_parent_class)->to_structure (m);
MXFMetadataGenericDescriptor *self = MXF_METADATA_GENERIC_DESCRIPTOR (m);
guint i;
if (self->n_locators > 0) {
GValue arr = { 0, }
, val = {
0,};
g_value_init (&arr, GST_TYPE_ARRAY);
for (i = 0; i < self->n_locators; i++) {
GstStructure *s;
if (self->locators[i] == NULL)
continue;
g_value_init (&val, GST_TYPE_STRUCTURE);
s = mxf_metadata_base_to_structure (MXF_METADATA_BASE (self->locators
[i]));
gst_value_set_structure (&val, s);
gst_structure_free (s);
gst_value_array_append_value (&arr, &val);
g_value_unset (&val);
}
if (gst_value_array_get_size (&arr) > 0)
gst_structure_id_set_value (ret, MXF_QUARK (LOCATORS), &arr);
g_value_unset (&arr);
}
return ret;
}
static GList *
mxf_metadata_generic_descriptor_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataGenericDescriptor *self = MXF_METADATA_GENERIC_DESCRIPTOR (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_descriptor_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
if (self->locators) {
guint i;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (LOCATORS), 16);
t->size = 8 + 16 * self->n_locators;;
t->data = g_slice_alloc0 (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->n_locators);
GST_WRITE_UINT32_BE (t->data + 4, 16);
for (i = 0; i < self->n_locators; i++) {
if (!self->locators[i])
continue;
memcpy (t->data + 8 + 16 * i,
&MXF_METADATA_BASE (self->locators[i])->instance_uid, 16);
}
mxf_primer_pack_add_mapping (primer, 0x2f01, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_generic_descriptor_init (MXFMetadataGenericDescriptor * self)
{
}
static void
mxf_metadata_generic_descriptor_class_init (MXFMetadataGenericDescriptorClass *
klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
miniobject_class->finalize = mxf_metadata_generic_descriptor_finalize;
metadata_base_class->handle_tag = mxf_metadata_generic_descriptor_handle_tag;
metadata_base_class->resolve = mxf_metadata_generic_descriptor_resolve;
metadata_base_class->to_structure =
mxf_metadata_generic_descriptor_to_structure;
metadata_base_class->write_tags = mxf_metadata_generic_descriptor_write_tags;
}
G_DEFINE_TYPE (MXFMetadataFileDescriptor, mxf_metadata_file_descriptor,
MXF_TYPE_METADATA_GENERIC_DESCRIPTOR);
static gboolean
mxf_metadata_file_descriptor_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataFileDescriptor *self = MXF_METADATA_FILE_DESCRIPTOR (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x3006:
if (tag_size != 4)
goto error;
self->linked_track_id = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" linked track id = %u", self->linked_track_id);
break;
case 0x3001:
if (!mxf_fraction_parse (&self->sample_rate, tag_data, tag_size))
goto error;
GST_DEBUG (" sample rate = %d/%d", self->sample_rate.n,
self->sample_rate.d);
break;
case 0x3002:
if (tag_size != 8)
goto error;
self->container_duration = GST_READ_UINT64_BE (tag_data);
GST_DEBUG (" container duration = %" G_GINT64_FORMAT,
self->container_duration);
break;
case 0x3004:
if (tag_size != 16)
goto error;
memcpy (&self->essence_container, tag_data, 16);
GST_DEBUG (" essence container = %s",
mxf_ul_to_string (&self->essence_container, str));
break;
case 0x3005:
if (tag_size != 16)
goto error;
memcpy (&self->codec, tag_data, 16);
GST_DEBUG (" codec = %s", mxf_ul_to_string (&self->codec, str));
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_file_descriptor_parent_class)->handle_tag (metadata,
primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid file descriptor local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
static GstStructure *
mxf_metadata_file_descriptor_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_file_descriptor_parent_class)->to_structure (m);
MXFMetadataFileDescriptor *self = MXF_METADATA_FILE_DESCRIPTOR (m);
gchar str[48];
if (self->linked_track_id)
gst_structure_id_set (ret, MXF_QUARK (LINKED_TRACK_ID), G_TYPE_UINT,
self->linked_track_id, NULL);
if (self->sample_rate.n && self->sample_rate.d)
gst_structure_id_set (ret, MXF_QUARK (SAMPLE_RATE), GST_TYPE_FRACTION,
self->sample_rate.n, self->sample_rate.d, NULL);
if (self->container_duration)
gst_structure_id_set (ret, MXF_QUARK (CONTAINER_DURATION), G_TYPE_INT64,
self->container_duration, NULL);
mxf_ul_to_string (&self->essence_container, str);
gst_structure_id_set (ret, MXF_QUARK (ESSENCE_CONTAINER), G_TYPE_STRING, str,
NULL);
if (!mxf_ul_is_zero (&self->codec)) {
mxf_ul_to_string (&self->codec, str);
gst_structure_id_set (ret, MXF_QUARK (CODEC), G_TYPE_STRING, str, NULL);
}
return ret;
}
static GList *
mxf_metadata_file_descriptor_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataFileDescriptor *self = MXF_METADATA_FILE_DESCRIPTOR (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_file_descriptor_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
if (self->linked_track_id) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (LINKED_TRACK_ID), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->linked_track_id);
mxf_primer_pack_add_mapping (primer, 0x3006, &t->ul);
ret = g_list_prepend (ret, t);
}
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (SAMPLE_RATE), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->sample_rate.n);
GST_WRITE_UINT32_BE (t->data + 4, self->sample_rate.d);
mxf_primer_pack_add_mapping (primer, 0x3001, &t->ul);
ret = g_list_prepend (ret, t);
if (self->container_duration > 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (CONTAINER_DURATION), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT64_BE (t->data, self->container_duration);
mxf_primer_pack_add_mapping (primer, 0x3002, &t->ul);
ret = g_list_prepend (ret, t);
}
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (ESSENCE_CONTAINER), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &self->essence_container, 16);
mxf_primer_pack_add_mapping (primer, 0x3004, &t->ul);
ret = g_list_prepend (ret, t);
if (!mxf_ul_is_zero (&self->codec)) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (CODEC), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &self->codec, 16);
mxf_primer_pack_add_mapping (primer, 0x3005, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_file_descriptor_init (MXFMetadataFileDescriptor * self)
{
}
static void
mxf_metadata_file_descriptor_class_init (MXFMetadataFileDescriptorClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->handle_tag = mxf_metadata_file_descriptor_handle_tag;
metadata_base_class->name_quark = MXF_QUARK (FILE_DESCRIPTOR);
metadata_base_class->to_structure = mxf_metadata_file_descriptor_to_structure;
metadata_base_class->write_tags = mxf_metadata_file_descriptor_write_tags;
metadata_class->type = 0x0125;
}
G_DEFINE_TYPE (MXFMetadataGenericPictureEssenceDescriptor,
mxf_metadata_generic_picture_essence_descriptor,
MXF_TYPE_METADATA_FILE_DESCRIPTOR);
static gboolean
mxf_metadata_generic_picture_essence_descriptor_handle_tag (MXFMetadataBase *
metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataGenericPictureEssenceDescriptor *self =
MXF_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x3215:
if (tag_size != 1)
goto error;
self->signal_standard = GST_READ_UINT8 (tag_data);
GST_DEBUG (" signal standard = %u", self->signal_standard);
break;
case 0x320c:
if (tag_size != 1)
goto error;
self->frame_layout = GST_READ_UINT8 (tag_data);
GST_DEBUG (" frame layout = %u", self->frame_layout);
break;
case 0x3203:
if (tag_size != 4)
goto error;
self->stored_width = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" stored width = %u", self->stored_width);
break;
case 0x3202:
if (tag_size != 4)
goto error;
self->stored_height = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" stored height = %u", self->stored_height);
break;
case 0x3216:
if (tag_size != 4)
goto error;
self->stored_f2_offset = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" stored f2 offset = %d", self->stored_f2_offset);
break;
case 0x3205:
if (tag_size != 4)
goto error;
self->sampled_width = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" sampled width = %u", self->sampled_width);
break;
case 0x3204:
if (tag_size != 4)
goto error;
self->sampled_height = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" sampled height = %u", self->sampled_height);
break;
case 0x3206:
if (tag_size != 4)
goto error;
self->sampled_x_offset = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" sampled x offset = %d", self->sampled_x_offset);
break;
case 0x3207:
if (tag_size != 4)
goto error;
self->sampled_y_offset = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" sampled y offset = %d", self->sampled_y_offset);
break;
case 0x3208:
if (tag_size != 4)
goto error;
self->display_height = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" display height = %u", self->display_height);
break;
case 0x3209:
if (tag_size != 4)
goto error;
self->display_width = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" display width = %u", self->display_width);
break;
case 0x320a:
if (tag_size != 4)
goto error;
self->display_x_offset = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" display x offset = %d", self->display_x_offset);
break;
case 0x320b:
if (tag_size != 4)
goto error;
self->display_y_offset = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" display y offset = %d", self->display_y_offset);
break;
case 0x3217:
if (tag_size != 4)
goto error;
self->display_f2_offset = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" display f2 offset = %d", self->display_f2_offset);
break;
case 0x320e:
if (!mxf_fraction_parse (&self->aspect_ratio, tag_data, tag_size))
goto error;
GST_DEBUG (" aspect ratio = %d/%d", self->aspect_ratio.n,
self->aspect_ratio.d);
break;
case 0x3218:
if (tag_size != 1)
goto error;
self->active_format_descriptor = GST_READ_UINT8 (tag_data);
GST_DEBUG (" active format descriptor = %u",
self->active_format_descriptor);
break;
case 0x320d:
if (tag_size < 8)
goto error;
if (GST_READ_UINT32_BE (tag_data) == 0)
return TRUE;
if (GST_READ_UINT32_BE (tag_data) != 2 &&
GST_READ_UINT32_BE (tag_data + 4) != 4)
goto error;
if (tag_size != 16)
goto error;
self->video_line_map[0] = GST_READ_UINT32_BE (tag_data + 8);
self->video_line_map[1] = GST_READ_UINT32_BE (tag_data + 12);
GST_DEBUG (" video line map = {%i, %i}", self->video_line_map[0],
self->video_line_map[1]);
break;
case 0x320f:
if (tag_size != 1)
goto error;
self->alpha_transparency = GST_READ_UINT8 (tag_data);
GST_DEBUG (" alpha transparency = %u", self->alpha_transparency);
break;
case 0x3210:
if (tag_size != 16)
goto error;
memcpy (&self->capture_gamma, tag_data, 16);
GST_DEBUG (" capture gamma = %s",
mxf_ul_to_string (&self->capture_gamma, str));
break;
case 0x3211:
if (tag_size != 4)
goto error;
self->image_alignment_offset = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" image alignment offset = %u", self->image_alignment_offset);
break;
case 0x3213:
if (tag_size != 4)
goto error;
self->image_start_offset = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" image start offset = %u", self->image_start_offset);
break;
case 0x3214:
if (tag_size != 4)
goto error;
self->image_end_offset = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" image end offset = %u", self->image_end_offset);
break;
case 0x3212:
if (tag_size != 1)
goto error;
self->field_dominance = GST_READ_UINT8 (tag_data);
GST_DEBUG (" field dominance = %u", self->field_dominance);
break;
case 0x3201:
if (tag_size != 16)
goto error;
memcpy (&self->picture_essence_coding, tag_data, 16);
GST_DEBUG (" picture essence coding = %s",
mxf_ul_to_string (&self->picture_essence_coding, str));
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_picture_essence_descriptor_parent_class)->handle_tag
(metadata, primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR
("Invalid generic picture essence descriptor local tag 0x%04x of size %u",
tag, tag_size);
return FALSE;
}
static GstStructure *
mxf_metadata_generic_picture_essence_descriptor_to_structure (MXFMetadataBase *
m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_picture_essence_descriptor_parent_class)->to_structure
(m);
MXFMetadataGenericPictureEssenceDescriptor *self =
MXF_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (m);
gchar str[48];
gst_structure_id_set (ret, MXF_QUARK (SIGNAL_STANDARD), G_TYPE_UCHAR,
self->signal_standard, NULL);
if (self->frame_layout != 255)
gst_structure_id_set (ret, MXF_QUARK (FRAME_LAYOUT), G_TYPE_UCHAR,
self->frame_layout, NULL);
if (self->stored_width != 0 && self->stored_height != 0)
gst_structure_id_set (ret, MXF_QUARK (STORED_WIDTH), G_TYPE_UINT,
self->stored_width, MXF_QUARK (STORED_HEIGHT), G_TYPE_UINT,
self->stored_height, NULL);
if (self->stored_f2_offset != 0)
gst_structure_id_set (ret, MXF_QUARK (STORED_F2_OFFSET), G_TYPE_INT,
self->stored_f2_offset, NULL);
if (self->sampled_width != 0 && self->sampled_height != 0)
gst_structure_id_set (ret, MXF_QUARK (SAMPLED_WIDTH), G_TYPE_UINT,
self->sampled_width, MXF_QUARK (SAMPLED_HEIGHT), G_TYPE_UINT,
self->sampled_height, NULL);
if (self->sampled_x_offset != 0)
gst_structure_id_set (ret, MXF_QUARK (SAMPLED_X_OFFSET), G_TYPE_INT,
self->sampled_x_offset, NULL);
if (self->sampled_y_offset != 0)
gst_structure_id_set (ret, MXF_QUARK (SAMPLED_Y_OFFSET), G_TYPE_INT,
self->sampled_y_offset, NULL);
if (self->display_width != 0 && self->display_height != 0)
gst_structure_id_set (ret, MXF_QUARK (DISPLAY_WIDTH), G_TYPE_UINT,
self->display_width, MXF_QUARK (DISPLAY_HEIGHT), G_TYPE_UINT,
self->display_height, NULL);
if (self->display_x_offset != 0)
gst_structure_id_set (ret, MXF_QUARK (DISPLAY_X_OFFSET), G_TYPE_INT,
self->display_x_offset, NULL);
if (self->display_y_offset != 0)
gst_structure_id_set (ret, MXF_QUARK (DISPLAY_Y_OFFSET), G_TYPE_INT,
self->display_y_offset, NULL);
if (self->display_f2_offset != 0)
gst_structure_id_set (ret, MXF_QUARK (DISPLAY_F2_OFFSET), G_TYPE_INT,
self->display_f2_offset, NULL);
if (self->aspect_ratio.n != 0 && self->aspect_ratio.d != 0)
gst_structure_id_set (ret, MXF_QUARK (ASPECT_RATIO), GST_TYPE_FRACTION,
self->aspect_ratio.n, self->aspect_ratio.d, NULL);
if (self->active_format_descriptor)
gst_structure_id_set (ret, MXF_QUARK (ACTIVE_FORMAT_DESCRIPTOR),
G_TYPE_UCHAR, self->active_format_descriptor, NULL);
if (self->video_line_map[0] != 0 && self->video_line_map[1] != 0)
gst_structure_id_set (ret, MXF_QUARK (VIDEO_LINE_MAP_0), G_TYPE_UINT,
self->video_line_map[0], MXF_QUARK (VIDEO_LINE_MAP_1), G_TYPE_UINT,
self->video_line_map[1], NULL);
if (self->alpha_transparency != 0)
gst_structure_id_set (ret, MXF_QUARK (ALPHA_TRANSPARENCY), G_TYPE_UCHAR,
self->alpha_transparency, NULL);
if (!mxf_ul_is_zero (&self->capture_gamma)) {
mxf_ul_to_string (&self->capture_gamma, str);
gst_structure_id_set (ret, MXF_QUARK (CAPTURE_GAMMA), G_TYPE_STRING, str,
NULL);
}
if (self->image_alignment_offset != 0)
gst_structure_id_set (ret, MXF_QUARK (IMAGE_ALIGNMENT_OFFSET), G_TYPE_UINT,
self->image_alignment_offset, NULL);
if (self->image_start_offset != 0)
gst_structure_id_set (ret, MXF_QUARK (IMAGE_START_OFFSET), G_TYPE_UINT,
self->image_start_offset, NULL);
if (self->image_end_offset != 0)
gst_structure_id_set (ret, MXF_QUARK (IMAGE_END_OFFSET), G_TYPE_UINT,
self->image_end_offset, NULL);
if (self->field_dominance != 0)
gst_structure_id_set (ret, MXF_QUARK (FIELD_DOMINANCE), G_TYPE_UCHAR,
self->field_dominance, NULL);
if (!mxf_ul_is_zero (&self->picture_essence_coding)) {
mxf_ul_to_string (&self->picture_essence_coding, str);
gst_structure_id_set (ret, MXF_QUARK (PICTURE_ESSENCE_CODING),
G_TYPE_STRING, str, NULL);
}
return ret;
}
static GList *
mxf_metadata_generic_picture_essence_descriptor_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataGenericPictureEssenceDescriptor *self =
MXF_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_picture_essence_descriptor_parent_class)->write_tags
(m, primer);
MXFLocalTag *t;
if (self->signal_standard != 1) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (SIGNAL_STANDARD), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, self->signal_standard);
mxf_primer_pack_add_mapping (primer, 0x3215, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->frame_layout != 255) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (FRAME_LAYOUT), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, self->frame_layout);
mxf_primer_pack_add_mapping (primer, 0x320c, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->stored_width != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (STORED_WIDTH), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->stored_width);
mxf_primer_pack_add_mapping (primer, 0x3203, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->stored_height != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (STORED_HEIGHT), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->stored_height);
mxf_primer_pack_add_mapping (primer, 0x3202, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->stored_f2_offset != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (STORED_F2_OFFSET), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->stored_f2_offset);
mxf_primer_pack_add_mapping (primer, 0x3216, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->sampled_width != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (SAMPLED_WIDTH), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->sampled_width);
mxf_primer_pack_add_mapping (primer, 0x3205, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->sampled_height != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (SAMPLED_HEIGHT), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->sampled_height);
mxf_primer_pack_add_mapping (primer, 0x3204, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->sampled_x_offset != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (SAMPLED_X_OFFSET), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->sampled_x_offset);
mxf_primer_pack_add_mapping (primer, 0x3206, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->sampled_y_offset != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (SAMPLED_Y_OFFSET), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->sampled_y_offset);
mxf_primer_pack_add_mapping (primer, 0x3207, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->display_height != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DISPLAY_HEIGHT), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->display_height);
mxf_primer_pack_add_mapping (primer, 0x3208, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->display_width != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DISPLAY_WIDTH), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->display_width);
mxf_primer_pack_add_mapping (primer, 0x3209, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->display_x_offset != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DISPLAY_X_OFFSET), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->display_x_offset);
mxf_primer_pack_add_mapping (primer, 0x320a, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->display_y_offset != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DISPLAY_Y_OFFSET), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->display_y_offset);
mxf_primer_pack_add_mapping (primer, 0x320b, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->display_f2_offset != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DISPLAY_F2_OFFSET), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->display_f2_offset);
mxf_primer_pack_add_mapping (primer, 0x3217, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->aspect_ratio.n != 0 && self->aspect_ratio.d != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (ASPECT_RATIO), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->aspect_ratio.n);
GST_WRITE_UINT32_BE (t->data + 4, self->aspect_ratio.d);
mxf_primer_pack_add_mapping (primer, 0x320e, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->active_format_descriptor != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (ACTIVE_FORMAT_DESCRIPTOR), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, self->active_format_descriptor);
mxf_primer_pack_add_mapping (primer, 0x3218, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->video_line_map[0] != 0 || self->video_line_map[1] != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (VIDEO_LINE_MAP), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT64_BE (t->data, self->video_line_map[0]);
GST_WRITE_UINT64_BE (t->data + 8, self->video_line_map[1]);
mxf_primer_pack_add_mapping (primer, 0x320d, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->alpha_transparency != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (ALPHA_TRANSPARENCY), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, self->alpha_transparency);
mxf_primer_pack_add_mapping (primer, 0x320f, &t->ul);
ret = g_list_prepend (ret, t);
}
if (!mxf_ul_is_zero (&self->capture_gamma)) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (CAPTURE_GAMMA), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &self->capture_gamma, 16);
mxf_primer_pack_add_mapping (primer, 0x3210, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->image_alignment_offset != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (IMAGE_ALIGNMENT_OFFSET), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->image_alignment_offset);
mxf_primer_pack_add_mapping (primer, 0x3211, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->image_start_offset != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (IMAGE_START_OFFSET), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->image_start_offset);
mxf_primer_pack_add_mapping (primer, 0x3213, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->image_end_offset != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (IMAGE_END_OFFSET), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->image_end_offset);
mxf_primer_pack_add_mapping (primer, 0x3214, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->field_dominance != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (FIELD_DOMINANCE), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, self->field_dominance);
mxf_primer_pack_add_mapping (primer, 0x3212, &t->ul);
ret = g_list_prepend (ret, t);
}
if (!mxf_ul_is_zero (&self->picture_essence_coding)) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PICTURE_ESSENCE_CODING), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &self->picture_essence_coding, 16);
mxf_primer_pack_add_mapping (primer, 0x3201, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_generic_picture_essence_descriptor_init
(MXFMetadataGenericPictureEssenceDescriptor * self)
{
self->signal_standard = 1;
self->frame_layout = 255;
}
static void
mxf_metadata_generic_picture_essence_descriptor_class_init
(MXFMetadataGenericPictureEssenceDescriptorClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->handle_tag =
mxf_metadata_generic_picture_essence_descriptor_handle_tag;
metadata_base_class->name_quark =
MXF_QUARK (GENERIC_PICTURE_ESSENCE_DESCRIPTOR);
metadata_base_class->to_structure =
mxf_metadata_generic_picture_essence_descriptor_to_structure;
metadata_base_class->write_tags =
mxf_metadata_generic_picture_essence_descriptor_write_tags;
metadata_class->type = 0x0127;
}
void mxf_metadata_generic_picture_essence_descriptor_set_caps
(MXFMetadataGenericPictureEssenceDescriptor * self, GstCaps * caps)
{
guint par_n, par_d;
guint width, height;
MXFMetadataFileDescriptor *f = (MXFMetadataFileDescriptor *) self;
g_return_if_fail (MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (self));
g_return_if_fail (GST_IS_CAPS (caps));
if (f->sample_rate.d == 0) {
GST_ERROR ("Invalid framerate");
} else {
gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION, f->sample_rate.n,
f->sample_rate.d, NULL);
}
width = self->stored_width;
height = self->stored_height;
/* If the video is stored as separate fields the
* height is only the height of one field, i.e.
* half the height of the frame.
*
* See SMPTE 377M E2.2 and E1.2
*/
if (self->frame_layout == 1 || self->frame_layout == 2
|| self->frame_layout == 4) {
height *= 2;
gst_caps_set_simple (caps, "interlaced", G_TYPE_BOOLEAN, TRUE, NULL);
}
if (width == 0 || height == 0) {
GST_ERROR ("Invalid width/height");
return;
}
gst_caps_set_simple (caps, "width", G_TYPE_INT, width, "height", G_TYPE_INT,
height, NULL);
if (self->aspect_ratio.n == 0 || self->aspect_ratio.d == 0) {
GST_ERROR ("Invalid aspect ratio");
return;
}
par_n = height * self->aspect_ratio.n;
par_d = width * self->aspect_ratio.d;
gst_caps_set_simple (caps, "pixel-aspect-ratio", GST_TYPE_FRACTION,
par_n, par_d, NULL);
}
static gint
gst_greatest_common_divisor (gint a, gint b)
{
while (b != 0) {
int temp = a;
a = b;
b = temp % b;
}
return ABS (a);
}
gboolean
mxf_metadata_generic_picture_essence_descriptor_from_caps
(MXFMetadataGenericPictureEssenceDescriptor * self, GstCaps * caps) {
gint par_n, par_d, gcd;
gint width, height;
gint fps_n, fps_d;
MXFMetadataFileDescriptor *f = (MXFMetadataFileDescriptor *) self;
GstStructure *s;
gboolean interlaced;
g_return_val_if_fail (MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR
(self), FALSE);
g_return_val_if_fail (GST_IS_CAPS (caps), FALSE);
s = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_boolean (s, "interlaced", &interlaced) || !interlaced)
self->frame_layout = 0;
else
self->frame_layout = 3;
if (!gst_structure_get_fraction (s, "framerate", &fps_n, &fps_d)) {
GST_ERROR ("Invalid framerate");
return FALSE;
}
f->sample_rate.n = fps_n;
f->sample_rate.d = fps_d;
if (!gst_structure_get_int (s, "width", &width) ||
!gst_structure_get_int (s, "height", &height)) {
GST_ERROR ("Invalid width/height");
return FALSE;
}
self->stored_width = width;
self->stored_height = height;
if (!gst_structure_get_fraction (s, "pixel-aspect-ratio", &par_n, &par_d)) {
par_n = 1;
par_d = 1;
}
self->aspect_ratio.n = par_n * width;
self->aspect_ratio.d = par_d * height;
gcd =
gst_greatest_common_divisor (self->aspect_ratio.n, self->aspect_ratio.d);
self->aspect_ratio.n /= gcd;
self->aspect_ratio.d /= gcd;
return TRUE;
}
G_DEFINE_TYPE (MXFMetadataGenericSoundEssenceDescriptor,
mxf_metadata_generic_sound_essence_descriptor,
MXF_TYPE_METADATA_FILE_DESCRIPTOR);
static gboolean
mxf_metadata_generic_sound_essence_descriptor_handle_tag (MXFMetadataBase *
metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataGenericSoundEssenceDescriptor *self =
MXF_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x3d03:
if (!mxf_fraction_parse (&self->audio_sampling_rate, tag_data, tag_size))
goto error;
GST_DEBUG (" audio sampling rate = %d/%d",
self->audio_sampling_rate.n, self->audio_sampling_rate.d);
break;
case 0x3d02:
if (tag_size != 1)
goto error;
self->locked = (GST_READ_UINT8 (tag_data) != 0);
GST_DEBUG (" locked = %s", (self->locked) ? "yes" : "no");
break;
case 0x3d04:
if (tag_size != 1)
goto error;
self->audio_ref_level = GST_READ_UINT8 (tag_data);
GST_DEBUG (" audio ref level = %d", self->audio_ref_level);
break;
case 0x3d05:
if (tag_size != 1)
goto error;
self->electro_spatial_formulation = GST_READ_UINT8 (tag_data);
GST_DEBUG (" electro spatial formulation = %u",
self->electro_spatial_formulation);
break;
case 0x3d07:
if (tag_size != 4)
goto error;
self->channel_count = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" channel count = %u", self->channel_count);
break;
case 0x3d01:
if (tag_size != 4)
goto error;
self->quantization_bits = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" quantization bits = %u", self->quantization_bits);
break;
case 0x3d0c:
if (tag_size != 1)
goto error;
self->dial_norm = GST_READ_UINT8 (tag_data);
GST_DEBUG (" dial norm = %d", self->dial_norm);
break;
case 0x3d06:
if (tag_size != 16)
goto error;
memcpy (&self->sound_essence_compression, tag_data, 16);
GST_DEBUG (" sound essence compression = %s",
mxf_ul_to_string (&self->sound_essence_compression, str));
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_sound_essence_descriptor_parent_class)->handle_tag
(metadata, primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR
("Invalid generic sound essence descriptor local tag 0x%04x of size %u",
tag, tag_size);
return FALSE;
}
static GstStructure *
mxf_metadata_generic_sound_essence_descriptor_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_sound_essence_descriptor_parent_class)->to_structure
(m);
MXFMetadataGenericSoundEssenceDescriptor *self =
MXF_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (m);
gst_structure_id_set (ret, MXF_QUARK (AUDIO_SAMPLING_RATE), GST_TYPE_FRACTION,
self->audio_sampling_rate.n, self->audio_sampling_rate.d, NULL);
gst_structure_id_set (ret, MXF_QUARK (LOCKED), G_TYPE_BOOLEAN, self->locked,
NULL);
if (self->electro_spatial_formulation != 0)
gst_structure_id_set (ret, MXF_QUARK (ELECTRO_SPATIAL_FORMULATION),
G_TYPE_UCHAR, self->electro_spatial_formulation, NULL);
if (self->channel_count != 0)
gst_structure_id_set (ret, MXF_QUARK (CHANNEL_COUNT), G_TYPE_UINT,
self->channel_count, NULL);
if (self->quantization_bits != 0)
gst_structure_id_set (ret, MXF_QUARK (QUANTIZATION_BITS), G_TYPE_UINT,
self->quantization_bits, NULL);
if (self->dial_norm != 0)
gst_structure_id_set (ret, MXF_QUARK (DIAL_NORM), G_TYPE_CHAR,
self->dial_norm, NULL);
if (!mxf_ul_is_zero (&self->sound_essence_compression)) {
gchar str[48];
mxf_ul_to_string (&self->sound_essence_compression, str);
gst_structure_id_set (ret, MXF_QUARK (SOUND_ESSENCE_COMPRESSION),
G_TYPE_STRING, str, NULL);
}
return ret;
}
static GList *
mxf_metadata_generic_sound_essence_descriptor_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataGenericSoundEssenceDescriptor *self =
MXF_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_sound_essence_descriptor_parent_class)->write_tags
(m, primer);
MXFLocalTag *t;
if (self->audio_sampling_rate.d && self->audio_sampling_rate.n) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (AUDIO_SAMPLING_RATE), 16);
t->size = 8;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->audio_sampling_rate.n);
GST_WRITE_UINT32_BE (t->data + 4, self->audio_sampling_rate.d);
mxf_primer_pack_add_mapping (primer, 0x3d03, &t->ul);
ret = g_list_prepend (ret, t);
}
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (LOCKED), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, (self->locked) ? 1 : 0);
mxf_primer_pack_add_mapping (primer, 0x3d02, &t->ul);
ret = g_list_prepend (ret, t);
if (self->audio_ref_level) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (AUDIO_REF_LEVEL), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, self->audio_ref_level);
mxf_primer_pack_add_mapping (primer, 0x3d04, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->electro_spatial_formulation != 255) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (ELECTRO_SPATIAL_FORMULATION), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, self->electro_spatial_formulation);
mxf_primer_pack_add_mapping (primer, 0x3d05, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->channel_count) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (CHANNEL_COUNT), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->channel_count);
mxf_primer_pack_add_mapping (primer, 0x3d07, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->quantization_bits) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (QUANTIZATION_BITS), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->quantization_bits);
mxf_primer_pack_add_mapping (primer, 0x3d01, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->dial_norm != 0) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DIAL_NORM), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, self->dial_norm);
mxf_primer_pack_add_mapping (primer, 0x3d0c, &t->ul);
ret = g_list_prepend (ret, t);
}
if (!mxf_ul_is_zero (&self->sound_essence_compression)) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (SOUND_ESSENCE_COMPRESSION), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &self->sound_essence_compression, 16);
mxf_primer_pack_add_mapping (primer, 0x3d06, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_generic_sound_essence_descriptor_init
(MXFMetadataGenericSoundEssenceDescriptor * self)
{
self->audio_sampling_rate.n = 48000;
self->audio_sampling_rate.d = 1;
self->electro_spatial_formulation = 255;
}
static void
mxf_metadata_generic_sound_essence_descriptor_class_init
(MXFMetadataGenericSoundEssenceDescriptorClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->handle_tag =
mxf_metadata_generic_sound_essence_descriptor_handle_tag;
metadata_base_class->name_quark =
MXF_QUARK (GENERIC_SOUND_ESSENCE_DESCRIPTOR);
metadata_base_class->to_structure =
mxf_metadata_generic_sound_essence_descriptor_to_structure;
metadata_base_class->write_tags =
mxf_metadata_generic_sound_essence_descriptor_write_tags;
metadata_class->type = 0x0142;
}
void mxf_metadata_generic_sound_essence_descriptor_set_caps
(MXFMetadataGenericSoundEssenceDescriptor * self, GstCaps * caps)
{
g_return_if_fail (MXF_IS_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (self));
g_return_if_fail (GST_IS_CAPS (caps));
if (self->audio_sampling_rate.n == 0 || self->audio_sampling_rate.d == 0) {
GST_ERROR ("Invalid audio sampling rate");
} else {
gst_caps_set_simple (caps,
"rate", G_TYPE_INT,
(gint) (mxf_fraction_to_double (&self->audio_sampling_rate)
+ 0.5), NULL);
}
if (self->channel_count == 0) {
GST_ERROR ("Invalid number of channels (0)");
} else {
gst_caps_set_simple (caps, "channels", G_TYPE_INT, self->channel_count,
NULL);
}
}
gboolean
mxf_metadata_generic_sound_essence_descriptor_from_caps
(MXFMetadataGenericSoundEssenceDescriptor * self, GstCaps * caps) {
gint rate;
gint channels;
GstStructure *s;
g_return_val_if_fail (MXF_IS_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (self),
FALSE);
g_return_val_if_fail (GST_IS_CAPS (caps), FALSE);
s = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (s, "rate", &rate) || rate == 0) {
GST_WARNING ("No samplerate");
return FALSE;
} else {
self->audio_sampling_rate.n = rate;
self->audio_sampling_rate.d = 1;
}
if (!gst_structure_get_int (s, "channels", &channels) || channels == 0) {
GST_WARNING ("No channels");
return FALSE;
} else {
self->channel_count = channels;
}
return TRUE;
}
G_DEFINE_TYPE (MXFMetadataCDCIPictureEssenceDescriptor,
mxf_metadata_cdci_picture_essence_descriptor,
MXF_TYPE_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR);
static gboolean
mxf_metadata_cdci_picture_essence_descriptor_handle_tag (MXFMetadataBase *
metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataCDCIPictureEssenceDescriptor *self =
MXF_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR (metadata);
gboolean ret = TRUE;
switch (tag) {
case 0x3301:
if (tag_size != 4)
goto error;
self->component_depth = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" component depth = %u", self->component_depth);
break;
case 0x3302:
if (tag_size != 4)
goto error;
self->horizontal_subsampling = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" horizontal subsampling = %u", self->horizontal_subsampling);
break;
case 0x3308:
if (tag_size != 4)
goto error;
self->vertical_subsampling = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" vertical subsampling = %u", self->vertical_subsampling);
break;
case 0x3303:
if (tag_size != 1)
goto error;
self->color_siting = GST_READ_UINT8 (tag_data);
GST_DEBUG (" color siting = %u", self->color_siting);
break;
case 0x330b:
if (tag_size != 1)
goto error;
self->reversed_byte_order = GST_READ_UINT8 (tag_data);
GST_DEBUG (" reversed byte order = %s",
(self->reversed_byte_order) ? "yes" : "no");
break;
case 0x3307:
if (tag_size != 2)
goto error;
self->padding_bits = GST_READ_UINT16_BE (tag_data);
GST_DEBUG (" padding bits = %d", self->padding_bits);
break;
case 0x3309:
if (tag_size != 4)
goto error;
self->alpha_sample_depth = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" alpha sample depth = %u", self->alpha_sample_depth);
break;
case 0x3304:
if (tag_size != 4)
goto error;
self->black_ref_level = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" black ref level = %u", self->black_ref_level);
break;
case 0x3305:
if (tag_size != 4)
goto error;
self->white_ref_level = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" white ref level = %u", self->white_ref_level);
break;
case 0x3306:
if (tag_size != 4)
goto error;
self->color_range = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" color range = %u", self->color_range);
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_cdci_picture_essence_descriptor_parent_class)->handle_tag
(metadata, primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR
("Invalid CDCI picture essence descriptor local tag 0x%04x of size %u",
tag, tag_size);
return FALSE;
}
static GstStructure *
mxf_metadata_cdci_picture_essence_descriptor_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_cdci_picture_essence_descriptor_parent_class)->to_structure
(m);
MXFMetadataCDCIPictureEssenceDescriptor *self =
MXF_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR (m);
if (self->component_depth != 0)
gst_structure_id_set (ret, MXF_QUARK (COMPONENT_DEPTH), G_TYPE_UINT,
self->component_depth, NULL);
if (self->horizontal_subsampling != 0)
gst_structure_id_set (ret, MXF_QUARK (HORIZONTAL_SUBSAMPLING), G_TYPE_UINT,
self->horizontal_subsampling, NULL);
if (self->vertical_subsampling != 0)
gst_structure_id_set (ret, MXF_QUARK (VERTICAL_SUBSAMPLING), G_TYPE_UINT,
self->vertical_subsampling, NULL);
if (self->color_siting != 255)
gst_structure_id_set (ret, MXF_QUARK (COLOR_SITING), G_TYPE_UCHAR,
self->color_siting, NULL);
gst_structure_id_set (ret, MXF_QUARK (REVERSED_BYTE_ORDER), G_TYPE_BOOLEAN,
self->reversed_byte_order, NULL);
if (self->padding_bits != 0)
gst_structure_id_set (ret, MXF_QUARK (PADDING_BITS), G_TYPE_INT,
self->padding_bits, NULL);
if (self->alpha_sample_depth != 0)
gst_structure_id_set (ret, MXF_QUARK (ALPHA_SAMPLE_DEPTH), G_TYPE_UINT,
self->alpha_sample_depth, NULL);
if (self->black_ref_level != 0)
gst_structure_id_set (ret, MXF_QUARK (BLACK_REF_LEVEL), G_TYPE_UINT,
self->black_ref_level, NULL);
if (self->white_ref_level != 0)
gst_structure_id_set (ret, MXF_QUARK (WHITE_REF_LEVEL), G_TYPE_UINT,
self->white_ref_level, NULL);
if (self->color_range != 0)
gst_structure_id_set (ret, MXF_QUARK (COLOR_RANGE), G_TYPE_UINT,
self->color_range, NULL);
return ret;
}
static GList *
mxf_metadata_cdci_picture_essence_descriptor_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataCDCIPictureEssenceDescriptor *self =
MXF_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_cdci_picture_essence_descriptor_parent_class)->write_tags
(m, primer);
MXFLocalTag *t;
if (self->component_depth) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (COMPONENT_DEPTH), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->component_depth);
mxf_primer_pack_add_mapping (primer, 0x3301, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->horizontal_subsampling) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (HORIZONTAL_SUBSAMPLING), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->horizontal_subsampling);
mxf_primer_pack_add_mapping (primer, 0x3302, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->vertical_subsampling) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (VERTICAL_SUBSAMPLING), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->vertical_subsampling);
mxf_primer_pack_add_mapping (primer, 0x3308, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->color_siting != 0xff) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (COLOR_SITING), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, self->color_siting);
mxf_primer_pack_add_mapping (primer, 0x3303, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->reversed_byte_order) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (REVERSED_BYTE_ORDER), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, (self->reversed_byte_order) ? 1 : 0);
mxf_primer_pack_add_mapping (primer, 0x330b, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->padding_bits) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PADDING_BITS), 16);
t->size = 2;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT16_BE (t->data, self->padding_bits);
mxf_primer_pack_add_mapping (primer, 0x3307, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->alpha_sample_depth) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (ALPHA_SAMPLE_DEPTH), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->alpha_sample_depth);
mxf_primer_pack_add_mapping (primer, 0x3309, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->black_ref_level) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (BLACK_REF_LEVEL), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->black_ref_level);
mxf_primer_pack_add_mapping (primer, 0x3304, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->white_ref_level) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (WHITE_REF_LEVEL), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->white_ref_level);
mxf_primer_pack_add_mapping (primer, 0x3305, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->color_range) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (COLOR_RANGE), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->color_range);
mxf_primer_pack_add_mapping (primer, 0x3306, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_cdci_picture_essence_descriptor_init
(MXFMetadataCDCIPictureEssenceDescriptor * self)
{
self->color_siting = 0xff;
}
static void
mxf_metadata_cdci_picture_essence_descriptor_class_init
(MXFMetadataCDCIPictureEssenceDescriptorClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->handle_tag =
mxf_metadata_cdci_picture_essence_descriptor_handle_tag;
metadata_base_class->name_quark = MXF_QUARK (CDCI_PICTURE_ESSENCE_DESCRIPTOR);
metadata_base_class->to_structure =
mxf_metadata_cdci_picture_essence_descriptor_to_structure;
metadata_base_class->write_tags =
mxf_metadata_cdci_picture_essence_descriptor_write_tags;
metadata_class->type = 0x0128;
}
G_DEFINE_TYPE (MXFMetadataRGBAPictureEssenceDescriptor,
mxf_metadata_rgba_picture_essence_descriptor,
MXF_TYPE_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR);
static void
mxf_metadata_rgba_picture_essence_descriptor_finalize (GstMiniObject * object)
{
MXFMetadataRGBAPictureEssenceDescriptor *self =
MXF_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR (object);
g_free (self->pixel_layout);
self->pixel_layout = NULL;
GST_MINI_OBJECT_CLASS
(mxf_metadata_rgba_picture_essence_descriptor_parent_class)->finalize
(object);
}
static gboolean
mxf_metadata_rgba_picture_essence_descriptor_handle_tag (MXFMetadataBase *
metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataRGBAPictureEssenceDescriptor *self =
MXF_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR (metadata);
gboolean ret = TRUE;
switch (tag) {
case 0x3406:
if (tag_size != 4)
goto error;
self->component_max_ref = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" component max ref = %u", self->component_max_ref);
break;
case 0x3407:
if (tag_size != 4)
goto error;
self->component_min_ref = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" component min ref = %u", self->component_min_ref);
break;
case 0x3408:
if (tag_size != 4)
goto error;
self->alpha_max_ref = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" alpha max ref = %u", self->alpha_max_ref);
break;
case 0x3409:
if (tag_size != 4)
goto error;
self->alpha_min_ref = GST_READ_UINT32_BE (tag_data);
GST_DEBUG (" alpha min ref = %u", self->alpha_min_ref);
break;
case 0x3405:
if (tag_size != 1)
goto error;
self->scanning_direction = GST_READ_UINT8 (tag_data);
GST_DEBUG (" scanning direction = %u", self->scanning_direction);
break;
case 0x3401:{
guint i, len;
if (tag_size % 2 != 0)
goto error;
i = 0;
while (tag_data[i] != 0 && tag_data[i + 1] != 0 && i + 2 <= tag_size)
i += 2;
len = i / 2;
self->n_pixel_layout = len;
GST_DEBUG (" number of pixel layouts = %u", len);
if (len == 0)
return TRUE;
self->pixel_layout = g_malloc0 (2 * len);
for (i = 0; i < len; i++) {
self->pixel_layout[2 * i] = tag_data[2 * i];
self->pixel_layout[2 * i + 1] = tag_data[2 * i + 1];
GST_DEBUG (" pixel layout %u = %c : %u", i,
(gchar) self->pixel_layout[2 * i], self->pixel_layout[2 * i + 1]);
}
break;
}
case 0x3403:
case 0x3404:
/* TODO: handle this */
GST_WARNING (" tag 0x%04x not implemented yet", tag);
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_rgba_picture_essence_descriptor_parent_class)->handle_tag
(metadata, primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR
("Invalid RGBA picture essence descriptor local tag 0x%04x of size %u",
tag, tag_size);
return FALSE;
}
static GstStructure *
mxf_metadata_rgba_picture_essence_descriptor_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_rgba_picture_essence_descriptor_parent_class)->to_structure
(m);
MXFMetadataRGBAPictureEssenceDescriptor *self =
MXF_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR (m);
if (self->component_max_ref != 255)
gst_structure_id_set (ret, MXF_QUARK (COMPONENT_MAX_REF), G_TYPE_UINT,
self->component_max_ref, NULL);
if (self->component_min_ref != 0)
gst_structure_id_set (ret, MXF_QUARK (COMPONENT_MIN_REF), G_TYPE_UINT,
self->component_min_ref, NULL);
if (self->alpha_max_ref != 255)
gst_structure_id_set (ret, MXF_QUARK (ALPHA_MAX_REF), G_TYPE_UINT,
self->alpha_max_ref, NULL);
if (self->alpha_min_ref != 0)
gst_structure_id_set (ret, MXF_QUARK (ALPHA_MIN_REF), G_TYPE_UINT,
self->alpha_min_ref, NULL);
if (self->scanning_direction != 0)
gst_structure_id_set (ret, MXF_QUARK (SCANNING_DIRECTION), G_TYPE_UCHAR,
self->scanning_direction, NULL);
if (self->n_pixel_layout != 0) {
gchar *pl = g_new0 (gchar, self->n_pixel_layout * 2 + 1);
memcpy (pl, self->pixel_layout, self->n_pixel_layout * 2);
gst_structure_id_set (ret, MXF_QUARK (PIXEL_LAYOUT), G_TYPE_STRING, pl,
NULL);
g_free (pl);
}
return ret;
}
static GList *
mxf_metadata_rgba_picture_essence_descriptor_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataRGBAPictureEssenceDescriptor *self =
MXF_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_rgba_picture_essence_descriptor_parent_class)->write_tags
(m, primer);
MXFLocalTag *t;
if (self->component_max_ref != 255) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (COMPONENT_MAX_REF), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->component_max_ref);
mxf_primer_pack_add_mapping (primer, 0x3406, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->component_min_ref) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (COMPONENT_MIN_REF), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->component_min_ref);
mxf_primer_pack_add_mapping (primer, 0x3407, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->alpha_max_ref != 255) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (ALPHA_MAX_REF), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->alpha_max_ref);
mxf_primer_pack_add_mapping (primer, 0x3408, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->alpha_min_ref) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (ALPHA_MIN_REF), 16);
t->size = 4;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->alpha_min_ref);
mxf_primer_pack_add_mapping (primer, 0x3409, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->scanning_direction) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (SCANNING_DIRECTION), 16);
t->size = 1;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT8 (t->data, self->scanning_direction);
mxf_primer_pack_add_mapping (primer, 0x3405, &t->ul);
ret = g_list_prepend (ret, t);
}
if (self->pixel_layout) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (PIXEL_LAYOUT), 16);
t->size = 2 * self->n_pixel_layout + 2;
t->data = g_slice_alloc0 (t->size);
t->g_slice = TRUE;
memcpy (t->data, self->pixel_layout, self->n_pixel_layout * 2);
mxf_primer_pack_add_mapping (primer, 0x3401, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_rgba_picture_essence_descriptor_init
(MXFMetadataRGBAPictureEssenceDescriptor * self)
{
self->component_max_ref = 255;
self->alpha_max_ref = 255;
}
static void
mxf_metadata_rgba_picture_essence_descriptor_class_init
(MXFMetadataRGBAPictureEssenceDescriptorClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
miniobject_class->finalize =
mxf_metadata_rgba_picture_essence_descriptor_finalize;
metadata_base_class->handle_tag =
mxf_metadata_rgba_picture_essence_descriptor_handle_tag;
metadata_base_class->name_quark = MXF_QUARK (RGBA_PICTURE_ESSENCE_DESCRIPTOR);
metadata_base_class->to_structure =
mxf_metadata_rgba_picture_essence_descriptor_to_structure;
metadata_base_class->write_tags =
mxf_metadata_rgba_picture_essence_descriptor_write_tags;
metadata_class->type = 0x0129;
}
G_DEFINE_TYPE (MXFMetadataGenericDataEssenceDescriptor,
mxf_metadata_generic_data_essence_descriptor,
MXF_TYPE_METADATA_FILE_DESCRIPTOR);
static gboolean
mxf_metadata_generic_data_essence_descriptor_handle_tag (MXFMetadataBase *
metadata, MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataGenericDataEssenceDescriptor *self =
MXF_METADATA_GENERIC_DATA_ESSENCE_DESCRIPTOR (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x3e01:
if (tag_size != 16)
goto error;
memcpy (&self->data_essence_coding, tag_data, 16);
GST_DEBUG (" data essence coding = %s",
mxf_ul_to_string (&self->data_essence_coding, str));
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_data_essence_descriptor_parent_class)->handle_tag
(metadata, primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR
("Invalid generic data essence descriptor local tag 0x%04x of size %u",
tag, tag_size);
return FALSE;
}
static GstStructure *
mxf_metadata_generic_data_essence_descriptor_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_data_essence_descriptor_parent_class)->to_structure
(m);
MXFMetadataGenericDataEssenceDescriptor *self =
MXF_METADATA_GENERIC_DATA_ESSENCE_DESCRIPTOR (m);
gchar str[48];
if (!mxf_ul_is_zero (&self->data_essence_coding)) {
mxf_ul_to_string (&self->data_essence_coding, str);
gst_structure_id_set (ret, MXF_QUARK (DATA_ESSENCE_CODING), G_TYPE_STRING,
str, NULL);
}
return ret;
}
static GList *
mxf_metadata_generic_data_essence_descriptor_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataGenericDataEssenceDescriptor *self =
MXF_METADATA_GENERIC_DATA_ESSENCE_DESCRIPTOR (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_generic_data_essence_descriptor_parent_class)->write_tags
(m, primer);
MXFLocalTag *t;
if (!mxf_ul_is_zero (&self->data_essence_coding)) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (DATA_ESSENCE_CODING), 16);
t->size = 16;
t->data = g_slice_alloc (t->size);
t->g_slice = TRUE;
memcpy (t->data, &self->data_essence_coding, 16);
mxf_primer_pack_add_mapping (primer, 0x3e01, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_generic_data_essence_descriptor_init
(MXFMetadataGenericDataEssenceDescriptor * self)
{
}
static void
mxf_metadata_generic_data_essence_descriptor_class_init
(MXFMetadataGenericDataEssenceDescriptorClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
metadata_base_class->handle_tag =
mxf_metadata_generic_data_essence_descriptor_handle_tag;
metadata_base_class->name_quark = MXF_QUARK (GENERIC_DATA_ESSENCE_DESCRIPTOR);
metadata_base_class->to_structure =
mxf_metadata_generic_data_essence_descriptor_to_structure;
metadata_base_class->write_tags =
mxf_metadata_generic_data_essence_descriptor_write_tags;
metadata_class->type = 0x0143;
}
G_DEFINE_TYPE (MXFMetadataMultipleDescriptor, mxf_metadata_multiple_descriptor,
MXF_TYPE_METADATA_FILE_DESCRIPTOR);
static void
mxf_metadata_multiple_descriptor_finalize (GstMiniObject * object)
{
MXFMetadataMultipleDescriptor *self =
MXF_METADATA_MULTIPLE_DESCRIPTOR (object);
g_free (self->sub_descriptors_uids);
self->sub_descriptors_uids = NULL;
g_free (self->sub_descriptors);
self->sub_descriptors = NULL;
GST_MINI_OBJECT_CLASS
(mxf_metadata_multiple_descriptor_parent_class)->finalize (object);
}
static gboolean
mxf_metadata_multiple_descriptor_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataMultipleDescriptor *self =
MXF_METADATA_MULTIPLE_DESCRIPTOR (metadata);
gboolean ret = TRUE;
#ifndef GST_DISABLE_GST_DEBUG
gchar str[48];
#endif
switch (tag) {
case 0x3f01:
if (!mxf_uuid_array_parse (&self->sub_descriptors_uids,
&self->n_sub_descriptors, tag_data, tag_size))
goto error;
GST_DEBUG (" number of sub descriptors = %u", self->n_sub_descriptors);
#ifndef GST_DISABLE_GST_DEBUG
{
guint i;
for (i = 0; i < self->n_sub_descriptors; i++) {
GST_DEBUG (" sub descriptor %u = %s", i,
mxf_uuid_to_string (&self->sub_descriptors_uids[i], str));
}
}
#endif
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_multiple_descriptor_parent_class)->handle_tag (metadata,
primer, tag, tag_data, tag_size);
break;
}
return ret;
error:
GST_ERROR ("Invalid multiple descriptor local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
static gboolean
mxf_metadata_multiple_descriptor_resolve (MXFMetadataBase * m,
GHashTable * metadata)
{
MXFMetadataMultipleDescriptor *self = MXF_METADATA_MULTIPLE_DESCRIPTOR (m);
MXFMetadataBase *current = NULL;
guint i, have_subdescriptors = 0;
if (self->sub_descriptors)
memset (self->sub_descriptors, 0,
sizeof (gpointer) * self->n_sub_descriptors);
else
self->sub_descriptors =
g_new0 (MXFMetadataGenericDescriptor *, self->n_sub_descriptors);
for (i = 0; i < self->n_sub_descriptors; i++) {
current = g_hash_table_lookup (metadata, &self->sub_descriptors_uids[i]);
if (current && MXF_IS_METADATA_GENERIC_DESCRIPTOR (current)) {
if (mxf_metadata_base_resolve (current, metadata)) {
self->sub_descriptors[i] = MXF_METADATA_GENERIC_DESCRIPTOR (current);
have_subdescriptors++;
} else {
GST_ERROR ("Couldn't resolve descriptor");
return FALSE;
}
} else {
GST_ERROR ("Descriptor not found");
return FALSE;
}
}
return
MXF_METADATA_BASE_CLASS
(mxf_metadata_multiple_descriptor_parent_class)->resolve (m, metadata);
}
static GstStructure *
mxf_metadata_multiple_descriptor_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_multiple_descriptor_parent_class)->to_structure (m);
MXFMetadataMultipleDescriptor *self = MXF_METADATA_MULTIPLE_DESCRIPTOR (m);
guint i;
if (self->n_sub_descriptors > 0) {
GValue arr = { 0, }
, val = {
0,};
g_value_init (&arr, GST_TYPE_ARRAY);
for (i = 0; i < self->n_sub_descriptors; i++) {
GstStructure *s;
if (self->sub_descriptors[i] == NULL)
continue;
g_value_init (&val, GST_TYPE_STRUCTURE);
s = mxf_metadata_base_to_structure (MXF_METADATA_BASE
(self->sub_descriptors[i]));
gst_value_set_structure (&val, s);
gst_structure_free (s);
gst_value_array_append_value (&arr, &val);
g_value_unset (&val);
}
if (gst_value_array_get_size (&arr) > 0)
gst_structure_id_set_value (ret, MXF_QUARK (SUB_DESCRIPTORS), &arr);
g_value_unset (&arr);
}
return ret;
}
static GList *
mxf_metadata_multiple_descriptor_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataMultipleDescriptor *self = MXF_METADATA_MULTIPLE_DESCRIPTOR (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_multiple_descriptor_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
if (self->sub_descriptors) {
guint i;
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (SUB_DESCRIPTORS), 16);
t->size = 8 + 16 * self->n_sub_descriptors;
t->data = g_slice_alloc0 (t->size);
t->g_slice = TRUE;
GST_WRITE_UINT32_BE (t->data, self->n_sub_descriptors);
GST_WRITE_UINT32_BE (t->data + 4, 16);
for (i = 0; i < self->n_sub_descriptors; i++) {
if (!self->sub_descriptors[i])
continue;
memcpy (t->data + 8 + 16 * i,
&MXF_METADATA_BASE (self->sub_descriptors[i])->instance_uid, 16);
}
mxf_primer_pack_add_mapping (primer, 0x3f01, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_multiple_descriptor_init (MXFMetadataMultipleDescriptor * self)
{
}
static void
mxf_metadata_multiple_descriptor_class_init (MXFMetadataMultipleDescriptorClass
* klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
miniobject_class->finalize = mxf_metadata_multiple_descriptor_finalize;
metadata_base_class->handle_tag = mxf_metadata_multiple_descriptor_handle_tag;
metadata_base_class->resolve = mxf_metadata_multiple_descriptor_resolve;
metadata_base_class->name_quark = MXF_QUARK (MULTIPLE_DESCRIPTOR);
metadata_base_class->to_structure =
mxf_metadata_multiple_descriptor_to_structure;
metadata_base_class->write_tags = mxf_metadata_multiple_descriptor_write_tags;
metadata_class->type = 0x0144;
}
G_DEFINE_ABSTRACT_TYPE (MXFMetadataLocator, mxf_metadata_locator,
MXF_TYPE_METADATA);
static void
mxf_metadata_locator_init (MXFMetadataLocator * self)
{
}
static void
mxf_metadata_locator_class_init (MXFMetadataLocatorClass * klass)
{
}
G_DEFINE_TYPE (MXFMetadataTextLocator, mxf_metadata_text_locator,
MXF_TYPE_METADATA_LOCATOR);
static void
mxf_metadata_text_locator_finalize (GstMiniObject * object)
{
MXFMetadataTextLocator *self = MXF_METADATA_TEXT_LOCATOR (object);
g_free (self->locator_name);
self->locator_name = NULL;
GST_MINI_OBJECT_CLASS (mxf_metadata_text_locator_parent_class)->finalize
(object);
}
static gboolean
mxf_metadata_text_locator_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataTextLocator *self = MXF_METADATA_TEXT_LOCATOR (metadata);
gboolean ret = TRUE;
switch (tag) {
case 0x4101:
self->locator_name = mxf_utf16_to_utf8 (tag_data, tag_size);
GST_DEBUG (" text locator = %s", GST_STR_NULL (self->locator_name));
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_text_locator_parent_class)->handle_tag (metadata,
primer, tag, tag_data, tag_size);
break;
}
return ret;
}
static GstStructure *
mxf_metadata_text_locator_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_text_locator_parent_class)->to_structure (m);
MXFMetadataTextLocator *self = MXF_METADATA_TEXT_LOCATOR (m);
gst_structure_id_set (ret, MXF_QUARK (LOCATOR_NAME), G_TYPE_STRING,
self->locator_name, NULL);
return ret;
}
static GList *
mxf_metadata_text_locator_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataTextLocator *self = MXF_METADATA_TEXT_LOCATOR (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_text_locator_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
if (self->locator_name) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (LOCATOR_NAME), 16);
t->data = mxf_utf8_to_utf16 (self->locator_name, &t->size);
mxf_primer_pack_add_mapping (primer, 0x4101, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_text_locator_init (MXFMetadataTextLocator * self)
{
}
static void
mxf_metadata_text_locator_class_init (MXFMetadataTextLocatorClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
miniobject_class->finalize = mxf_metadata_text_locator_finalize;
metadata_base_class->handle_tag = mxf_metadata_text_locator_handle_tag;
metadata_base_class->name_quark = MXF_QUARK (TEXT_LOCATOR);
metadata_base_class->to_structure = mxf_metadata_text_locator_to_structure;
metadata_base_class->write_tags = mxf_metadata_text_locator_write_tags;
metadata_class->type = 0x0133;
}
G_DEFINE_TYPE (MXFMetadataNetworkLocator, mxf_metadata_network_locator,
MXF_TYPE_METADATA_LOCATOR);
static void
mxf_metadata_network_locator_finalize (GstMiniObject * object)
{
MXFMetadataNetworkLocator *self = MXF_METADATA_NETWORK_LOCATOR (object);
g_free (self->url_string);
self->url_string = NULL;
GST_MINI_OBJECT_CLASS (mxf_metadata_network_locator_parent_class)->finalize
(object);
}
static gboolean
mxf_metadata_network_locator_handle_tag (MXFMetadataBase * metadata,
MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
guint tag_size)
{
MXFMetadataNetworkLocator *self = MXF_METADATA_NETWORK_LOCATOR (metadata);
gboolean ret = TRUE;
switch (tag) {
case 0x4101:
self->url_string = mxf_utf16_to_utf8 (tag_data, tag_size);
GST_DEBUG (" url string = %s", GST_STR_NULL (self->url_string));
break;
default:
ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_network_locator_parent_class)->handle_tag (metadata,
primer, tag, tag_data, tag_size);
break;
}
return ret;
}
static GstStructure *
mxf_metadata_network_locator_to_structure (MXFMetadataBase * m)
{
GstStructure *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_network_locator_parent_class)->to_structure (m);
MXFMetadataNetworkLocator *self = MXF_METADATA_NETWORK_LOCATOR (m);
gst_structure_id_set (ret, MXF_QUARK (URL_STRING), G_TYPE_STRING,
self->url_string, NULL);
return ret;
}
static GList *
mxf_metadata_network_locator_write_tags (MXFMetadataBase * m,
MXFPrimerPack * primer)
{
MXFMetadataNetworkLocator *self = MXF_METADATA_NETWORK_LOCATOR (m);
GList *ret =
MXF_METADATA_BASE_CLASS
(mxf_metadata_network_locator_parent_class)->write_tags (m, primer);
MXFLocalTag *t;
if (self->url_string) {
t = g_slice_new0 (MXFLocalTag);
memcpy (&t->ul, MXF_UL (URL_STRING), 16);
t->data = mxf_utf8_to_utf16 (self->url_string, &t->size);
mxf_primer_pack_add_mapping (primer, 0x4001, &t->ul);
ret = g_list_prepend (ret, t);
}
return ret;
}
static void
mxf_metadata_network_locator_init (MXFMetadataNetworkLocator * self)
{
}
static void
mxf_metadata_network_locator_class_init (MXFMetadataNetworkLocatorClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) klass;
MXFMetadataClass *metadata_class = (MXFMetadataClass *) klass;
miniobject_class->finalize = mxf_metadata_network_locator_finalize;
metadata_base_class->handle_tag = mxf_metadata_network_locator_handle_tag;
metadata_base_class->name_quark = MXF_QUARK (NETWORK_LOCATOR);
metadata_base_class->to_structure = mxf_metadata_network_locator_to_structure;
metadata_base_class->write_tags = mxf_metadata_network_locator_write_tags;
metadata_class->type = 0x0133;
}
G_DEFINE_ABSTRACT_TYPE (MXFDescriptiveMetadata, mxf_descriptive_metadata,
MXF_TYPE_METADATA_BASE);
static void
mxf_descriptive_metadata_init (MXFDescriptiveMetadata * self)
{
}
static void
mxf_descriptive_metadata_class_init (MXFDescriptiveMetadataClass * klass)
{
}
typedef struct
{
guint8 scheme;
GType *types;
} _MXFDescriptiveMetadataScheme;
static GArray *_dm_schemes = NULL;
void
mxf_descriptive_metadata_register (guint8 scheme, GType * types)
{
_MXFDescriptiveMetadataScheme s;
if (!_dm_schemes)
_dm_schemes =
g_array_new (FALSE, TRUE, sizeof (_MXFDescriptiveMetadataScheme));
s.scheme = scheme;
s.types = types;
g_array_append_val (_dm_schemes, s);
}
MXFDescriptiveMetadata *
mxf_descriptive_metadata_new (guint8 scheme, guint32 type,
MXFPrimerPack * primer, guint64 offset, const guint8 * data, guint size)
{
guint i;
GType t = G_TYPE_INVALID, *p;
_MXFDescriptiveMetadataScheme *s = NULL;
MXFDescriptiveMetadata *ret = NULL;
g_return_val_if_fail (type != 0, NULL);
g_return_val_if_fail (primer != NULL, NULL);
for (i = 0; i < _dm_schemes->len; i++) {
_MXFDescriptiveMetadataScheme *data =
&g_array_index (_dm_schemes, _MXFDescriptiveMetadataScheme, i);
if (data->scheme == scheme) {
s = data;
break;
}
}
if (s == NULL) {
GST_WARNING ("Descriptive metadata scheme 0x%02x not supported", scheme);
return NULL;
}
p = s->types;
while (*p) {
GType tmp = *p;
MXFDescriptiveMetadataClass *klass =
MXF_DESCRIPTIVE_METADATA_CLASS (g_type_class_ref (tmp));
if (klass->type == type) {
g_type_class_unref (klass);
t = tmp;
break;
}
g_type_class_unref (klass);
p++;
}
if (t == G_TYPE_INVALID) {
GST_WARNING
("No handler for type 0x%06x of descriptive metadata scheme 0x%02x found",
type, scheme);
return NULL;
}
GST_DEBUG ("DM scheme 0x%02x type 0x%06x is handled by type %s", scheme, type,
g_type_name (t));
ret = (MXFDescriptiveMetadata *) g_type_create_instance (t);
if (!mxf_metadata_base_parse (MXF_METADATA_BASE (ret), primer, data, size)) {
GST_ERROR ("Parsing metadata failed");
gst_mini_object_unref ((GstMiniObject *) ret);
return NULL;
}
ret->parent.offset = offset;
return ret;
}
GType
mxf_descriptive_metadata_framework_get_type (void)
{
static volatile gsize type = 0;
if (g_once_init_enter (&type)) {
GType _type = 0;
static const GTypeInfo info = {
sizeof (MXFDescriptiveMetadataFrameworkInterface),
NULL, /* base_init */
NULL, /* base_finalize */
NULL, /* class_init */
NULL, /* class_finalize */
NULL, /* class_data */
0, /* instance_size */
0, /* n_preallocs */
NULL /* instance_init */
};
_type = g_type_register_static (G_TYPE_INTERFACE,
"MXFDescriptiveMetadataFrameworkInterface", &info, 0);
g_type_interface_add_prerequisite (_type, MXF_TYPE_DESCRIPTIVE_METADATA);
g_once_init_leave (&type, (gsize) _type);
}
return (GType) type;
}
GHashTable *
mxf_metadata_hash_table_new (void)
{
return g_hash_table_new_full ((GHashFunc) mxf_uuid_hash,
(GEqualFunc) mxf_uuid_is_equal, (GDestroyNotify) NULL,
(GDestroyNotify) gst_mini_object_unref);
}
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