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gstreamer/gst/mxf/mxfmetadata.c
Sebastian Dröge acc6a316ce mxfdemux: Post structural metadata tree as tag on the bus 
This will later be used to keep the structural metadata when
remuxing an MXF file and can also be used in Pitivi for example
to know the file structure and to select what should be used
and played.
2009-02-21 17:38:49 +01:00

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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 "mxfparse.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_ul_is_zero (&self->instance_uid)) {
mxf_ul_to_string (&self->instance_uid, str);
gst_structure_id_set (ret, MXF_QUARK (INSTANCE_UID), G_TYPE_STRING, str,
NULL);
}
if (!mxf_ul_is_zero (&self->generation_uid)) {
mxf_ul_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;
#if GLIB_CHECK_VERSION (2, 16, 0)
GHashTableIter iter;
g_hash_table_iter_init (&iter, self->other_tags);
#else
GList *l, *values;
values = g_hash_table_get_values (self->other_tags);
#endif
g_value_init (&va, GST_TYPE_ARRAY);
#if GLIB_CHECK_VERSION (2, 16, 0)
while (g_hash_table_iter_next (&iter, NULL, (gpointer) & tag)) {
#else
for (l = values; l; l = l->next) {
tag = l->data;
#endif
g_value_init (&v, GST_TYPE_STRUCTURE);
s = gst_structure_id_empty_new (MXF_QUARK (TAG));
mxf_ul_to_string (&tag->key, 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);
#if !GLIB_CHECK_VERSION (2, 16, 0)
g_list_free (values);
#endif
}
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;
}
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_ul_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_ul_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 void
mxf_metadata_class_init (MXFMetadataClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
metadata_base_class->handle_tag = mxf_metadata_handle_tag;
}
static void
mxf_metadata_init (MXFMetadata * self)
{
}
static GSList *_mxf_metadata_registry = NULL;
typedef struct
{
guint16 type_id;
GType type;
} _MXFMetadataType;
void
mxf_metadata_init_types (void)
{
_MXFMetadataType *l;
g_return_if_fail (_mxf_metadata_registry == NULL);
#define _add_type(TI, T) \
l = g_slice_new (_MXFMetadataType); \
l->type_id = TI; \
l->type = T; \
_mxf_metadata_registry = g_slist_prepend (_mxf_metadata_registry, l);
/* SMPTE S377M 8.6 Table 14 */
_add_type (0x012f, MXF_TYPE_METADATA_PREFACE);
_add_type (0x0130, MXF_TYPE_METADATA_IDENTIFICATION);
_add_type (0x0118, MXF_TYPE_METADATA_CONTENT_STORAGE);
_add_type (0x0123, MXF_TYPE_METADATA_ESSENCE_CONTAINER_DATA);
_add_type (0x0136, MXF_TYPE_METADATA_MATERIAL_PACKAGE);
_add_type (0x0137, MXF_TYPE_METADATA_SOURCE_PACKAGE);
_add_type (0x013b, MXF_TYPE_METADATA_TIMELINE_TRACK);
_add_type (0x0139, MXF_TYPE_METADATA_EVENT_TRACK);
_add_type (0x013a, MXF_TYPE_METADATA_STATIC_TRACK);
_add_type (0x010f, MXF_TYPE_METADATA_SEQUENCE);
_add_type (0x0111, MXF_TYPE_METADATA_SOURCE_CLIP);
_add_type (0x0114, MXF_TYPE_METADATA_TIMECODE_COMPONENT);
_add_type (0x0141, MXF_TYPE_METADATA_DM_SEGMENT);
_add_type (0x0145, MXF_TYPE_METADATA_DM_SOURCE_CLIP);
_add_type (0x0125, MXF_TYPE_METADATA_FILE_DESCRIPTOR);
_add_type (0x0127, MXF_TYPE_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR);
_add_type (0x0128, MXF_TYPE_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR);
_add_type (0x0129, MXF_TYPE_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR);
_add_type (0x0142, MXF_TYPE_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR);
_add_type (0x0143, MXF_TYPE_METADATA_GENERIC_DATA_ESSENCE_DESCRIPTOR);
_add_type (0x0144, MXF_TYPE_METADATA_MULTIPLE_DESCRIPTOR);
_add_type (0x0132, MXF_TYPE_METADATA_NETWORK_LOCATOR);
_add_type (0x0133, MXF_TYPE_METADATA_TEXT_LOCATOR);
#undef _add_type
}
void
mxf_metadata_register (guint16 type_id, GType type)
{
g_return_if_fail (g_type_is_a (type, MXF_TYPE_METADATA));
g_return_if_fail (type_id != 0);
g_return_if_fail (_mxf_metadata_registry != NULL);
{
GSList *l = _mxf_metadata_registry;
for (; l; l = l->next) {
if (((_MXFMetadataType *) l->data)->type_id == type_id) {
return;
}
}
}
{
_MXFMetadataType *l = g_slice_new (_MXFMetadataType);
l->type_id = type_id;
l->type = type;
_mxf_metadata_registry = g_slist_prepend (_mxf_metadata_registry, l);
}
}
MXFMetadata *
mxf_metadata_new (guint16 type, MXFPrimerPack * primer, guint64 offset,
const guint8 * data, guint size)
{
GSList *l;
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 (l = _mxf_metadata_registry; l; l = l->next) {
_MXFMetadataType *data = l->data;
if (data->type_id == type) {
t = data->type;
break;
}
}
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->type = type;
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_ul_to_string (&self->primary_package_uid, str));
break;
case 0x3b06:
if (!mxf_ul_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_ul_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_ul_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_ul_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_ul_is_zero (&self->primary_package_uid)) {
mxf_ul_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 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;
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->name_quark = MXF_QUARK (PREFACE);
}
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_ul_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_ul_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_ul_is_zero (&self->this_generation_uid)) {
mxf_ul_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_ul_is_zero (&self->product_uid)) {
mxf_ul_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 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;
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;
}
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_ul_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_ul_to_string (&self->packages_uids[i], str));
}
}
#endif
break;
case 0x1902:
if (!mxf_ul_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_ul_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 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;
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;
}
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;
#if GLIB_CHECK_VERSION (2, 16, 0)
GHashTableIter iter;
g_hash_table_iter_init (&iter, metadata);
#else
GList *l, *values;
values = g_hash_table_get_values (metadata);
#endif
#if GLIB_CHECK_VERSION (2, 16, 0)
while (g_hash_table_iter_next (&iter, NULL, (gpointer) & current)) {
#else
for (l = values; l; l = l->next) {
current = l->data;
#endif
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 !GLIB_CHECK_VERSION (2, 16, 0)
g_list_free (values);
#endif
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 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;
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;
}
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_ul_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_ul_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 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;
}
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;
metadata_base_class->resolve = mxf_metadata_material_package_resolve;
metadata_base_class->name_quark = MXF_QUARK (MATERIAL_PACKAGE);
}
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_ul_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_ul_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);
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;
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;
}
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_ul_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 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;
}
/* SMPTE RP224 */
static const struct
{
guint8 ul[16];
MXFMetadataTrackType type;
} mxf_metadata_track_identifier[] = {
{ {
0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01,
0x01, 0x03, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00},
MXF_METADATA_TRACK_TIMECODE_12M_INACTIVE}, { {
0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x01,
0x02, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_TIMECODE_12M_ACTIVE}, { {
0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x01,
0x03, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_TIMECODE_309M}, { {
0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x01,
0x10, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_METADATA}, { {
0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x02,
0x01, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_PICTURE_ESSENCE}, { {
0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x02,
0x02, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_SOUND_ESSENCE}, { {
0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x02,
0x03, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_DATA_ESSENCE}, { {
0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x03,
0x01, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_AUXILIARY_DATA}, { {
0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01, 0x01, 0x03, 0x02, 0x03,
0x02, 0x00, 0x00, 0x00}, MXF_METADATA_TRACK_PARSED_TEXT},
/* Avid video? */
{ {
0x80, 0x7d, 0x00, 0x60, 0x08, 0x14, 0x3e, 0x6f, 0x6f, 0x3c, 0x8c, 0xe1,
0x6c, 0xef, 0x11, 0xd2}, 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 (memcmp (&mxf_metadata_track_identifier[i].ul, &track_identifier->u,
16) == 0)
return mxf_metadata_track_identifier[i].type;
return MXF_METADATA_TRACK_UNKNOWN;
}
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 void
mxf_metadata_timeline_track_init (MXFMetadataTimelineTrack * self)
{
}
static void
mxf_metadata_timeline_track_class_init (MXFMetadataTimelineTrackClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) 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;
}
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 void
mxf_metadata_event_track_init (MXFMetadataEventTrack * self)
{
}
static void
mxf_metadata_event_track_class_init (MXFMetadataEventTrackClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) 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;
}
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;
metadata_base_class->name_quark = MXF_QUARK (STATIC_TRACK);
}
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_ul_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_ul_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 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;
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;
}
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 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;
}
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 void
mxf_metadata_timecode_component_init (MXFMetadataTimecodeComponent * self)
{
}
static void
mxf_metadata_timecode_component_class_init (MXFMetadataTimecodeComponentClass *
klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) 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;
}
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;
#if GLIB_CHECK_VERSION (2, 16, 0)
GHashTableIter iter;
g_hash_table_iter_init (&iter, metadata);
#else
GList *l, *values;
values = g_hash_table_get_values (metadata);
#endif
#if GLIB_CHECK_VERSION (2, 16, 0)
while (g_hash_table_iter_next (&iter, NULL, (gpointer) & current)) {
#else
for (l = values; l; l = l->next) {
current = l->data;
#endif
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;
}
}
}
#if !GLIB_CHECK_VERSION (2, 16, 0)
g_list_free (values);
#endif
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 void
mxf_metadata_source_clip_init (MXFMetadataSourceClip * self)
{
}
static void
mxf_metadata_source_clip_class_init (MXFMetadataSourceClipClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) 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;
}
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 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;
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;
}
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_ul_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);
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);
}
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 void
mxf_metadata_dm_segment_init (MXFMetadataDMSegment * self)
{
}
static void
mxf_metadata_dm_segment_class_init (MXFMetadataDMSegmentClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
GstMiniObjectClass *miniobject_class = (GstMiniObjectClass *) 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;
}
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_ul_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_ul_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 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;
}
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 void
mxf_metadata_file_descriptor_init (MXFMetadataFileDescriptor * self)
{
}
static void
mxf_metadata_file_descriptor_class_init (MXFMetadataFileDescriptorClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) 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;
}
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 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;
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;
}
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;
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);
}
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 void
mxf_metadata_generic_sound_essence_descriptor_init
(MXFMetadataGenericSoundEssenceDescriptor * self)
{
self->audio_sampling_rate.n = 48000;
self->audio_sampling_rate.d = 1;
}
static void
mxf_metadata_generic_sound_essence_descriptor_class_init
(MXFMetadataGenericSoundEssenceDescriptorClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) 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;
}
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);
}
}
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 != 0)
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 void
mxf_metadata_cdci_picture_essence_descriptor_init
(MXFMetadataCDCIPictureEssenceDescriptor * self)
{
}
static void
mxf_metadata_cdci_picture_essence_descriptor_class_init
(MXFMetadataCDCIPictureEssenceDescriptorClass * klass)
{
MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) 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;
}
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 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;
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;
}
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 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;
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;
}
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_ul_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_ul_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 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;
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;
}
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 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;
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;
}
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 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;
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;
}
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;
GSList *sets;
} _MXFDescriptiveMetadataScheme;
static GSList *_dm_schemes = NULL;
void
mxf_descriptive_metadata_register (guint8 scheme, GSList * sets)
{
_MXFDescriptiveMetadataScheme *s =
g_slice_new (_MXFDescriptiveMetadataScheme);
s->scheme = scheme;
s->sets = sets;
_dm_schemes = g_slist_prepend (_dm_schemes, s);
}
MXFDescriptiveMetadata *
mxf_descriptive_metadata_new (guint8 scheme, guint32 type,
MXFPrimerPack * primer, guint64 offset, const guint8 * data, guint size)
{
GSList *l;
GType t = G_TYPE_INVALID;
_MXFDescriptiveMetadataScheme *s = NULL;
MXFDescriptiveMetadata *ret = NULL;
g_return_val_if_fail (type != 0, NULL);
g_return_val_if_fail (primer != NULL, NULL);
for (l = _dm_schemes; l; l = l->next) {
_MXFDescriptiveMetadataScheme *data = l->data;
if (data->scheme == scheme) {
s = data;
break;
}
}
if (s == NULL) {
GST_WARNING ("Descriptive metadata scheme 0x%02x not supported", scheme);
return NULL;
}
for (l = s->sets; l; l = l->next) {
MXFDescriptiveMetadataSet *set = l->data;
if (set->id == type) {
t = set->type;
break;
}
}
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->type = type;
ret->parent.offset = offset;
return ret;
}
/* TODO: Remove this once we depend on GLib 2.14 */
#if GLIB_CHECK_VERSION (2, 14, 0)
#define __gst_once_init_enter(val) (g_once_init_enter (val))
#define __gst_once_init_leave(val,newval) (g_once_init_leave (val, newval))
#endif
GType
mxf_descriptive_metadata_framework_get_type (void)
{
static volatile gsize type = 0;
if (__gst_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);
__gst_once_init_leave (&type, (gsize) _type);
}
return (GType) type;
}
GHashTable *
mxf_metadata_hash_table_new (void)
{
return g_hash_table_new_full ((GHashFunc) mxf_ul_hash,
(GEqualFunc) mxf_ul_is_equal, (GDestroyNotify) NULL,
(GDestroyNotify) gst_mini_object_unref);
}
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