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gst/mxf/: Implement an essence element handling registry and use this instead of an hardcoded, large if-then-else block.

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Original commit message from CVS:
* gst/mxf/mxfaes-bwf.c: (mxf_is_aes_bwf_essence_track),
(mxf_bwf_handle_essence_element),
(mxf_aes3_handle_essence_element), (mxf_bwf_create_caps),
(mxf_aes3_create_caps), (mxf_aes_bwf_create_caps),
(mxf_aes_bwf_init):
* gst/mxf/mxfaes-bwf.h:
* gst/mxf/mxfalaw.c: (mxf_is_alaw_essence_track),
(mxf_alaw_handle_essence_element), (mxf_alaw_create_caps),
(mxf_alaw_init):
* gst/mxf/mxfalaw.h:
* gst/mxf/mxfd10.c: (mxf_is_d10_essence_track),
(mxf_d10_picture_handle_essence_element),
(mxf_d10_sound_handle_essence_element), (mxf_d10_create_caps),
(mxf_d10_init):
* gst/mxf/mxfd10.h:
* gst/mxf/mxfdemux.c: (gst_mxf_demux_reset_metadata),
(gst_mxf_demux_handle_header_metadata_update_streams),
(gst_mxf_demux_handle_generic_container_essence_element):
* gst/mxf/mxfdv-dif.c: (mxf_is_dv_dif_essence_track),
(mxf_dv_dif_handle_essence_element), (mxf_dv_dif_create_caps),
(mxf_dv_dif_init):
* gst/mxf/mxfdv-dif.h:
* gst/mxf/mxfjpeg2000.c: (mxf_is_jpeg2000_essence_track),
(mxf_jpeg2000_handle_essence_element), (mxf_jpeg2000_create_caps),
(mxf_jpeg2000_init):
* gst/mxf/mxfjpeg2000.h:
* gst/mxf/mxfmpeg.c: (mxf_is_mpeg_essence_track),
(mxf_mpeg_video_handle_essence_element),
(mxf_mpeg_audio_handle_essence_element), (mxf_mpeg_es_create_caps),
(mxf_mpeg_create_caps), (mxf_mpeg_init):
* gst/mxf/mxfmpeg.h:
* gst/mxf/mxfparse.c: (mxf_essence_element_handler_register),
(mxf_essence_element_handler_find):
* gst/mxf/mxfparse.h:
* gst/mxf/mxfup.c: (mxf_is_up_essence_track),
(mxf_up_handle_essence_element), (mxf_up_rgba_create_caps),
(mxf_up_create_caps), (mxf_up_init):
* gst/mxf/mxfup.h:
Implement an essence element handling registry and use this instead
of an hardcoded, large if-then-else block.
This commit is contained in:
Sebastian Dröge 2008-12-16 12:30:34 +00:00
parent 2bdd84b48d
commit 5587f91210
18 changed files with 429 additions and 414 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

43
ChangeLog
View file

@ -1,3 +1,46 @@
2008-12-16 Sebastian Dröge <sebastian.droege@collabora.co.uk>
* gst/mxf/mxfaes-bwf.c: (mxf_is_aes_bwf_essence_track),
(mxf_bwf_handle_essence_element),
(mxf_aes3_handle_essence_element), (mxf_bwf_create_caps),
(mxf_aes3_create_caps), (mxf_aes_bwf_create_caps),
(mxf_aes_bwf_init):
* gst/mxf/mxfaes-bwf.h:
* gst/mxf/mxfalaw.c: (mxf_is_alaw_essence_track),
(mxf_alaw_handle_essence_element), (mxf_alaw_create_caps),
(mxf_alaw_init):
* gst/mxf/mxfalaw.h:
* gst/mxf/mxfd10.c: (mxf_is_d10_essence_track),
(mxf_d10_picture_handle_essence_element),
(mxf_d10_sound_handle_essence_element), (mxf_d10_create_caps),
(mxf_d10_init):
* gst/mxf/mxfd10.h:
* gst/mxf/mxfdemux.c: (gst_mxf_demux_reset_metadata),
(gst_mxf_demux_handle_header_metadata_update_streams),
(gst_mxf_demux_handle_generic_container_essence_element):
* gst/mxf/mxfdv-dif.c: (mxf_is_dv_dif_essence_track),
(mxf_dv_dif_handle_essence_element), (mxf_dv_dif_create_caps),
(mxf_dv_dif_init):
* gst/mxf/mxfdv-dif.h:
* gst/mxf/mxfjpeg2000.c: (mxf_is_jpeg2000_essence_track),
(mxf_jpeg2000_handle_essence_element), (mxf_jpeg2000_create_caps),
(mxf_jpeg2000_init):
* gst/mxf/mxfjpeg2000.h:
* gst/mxf/mxfmpeg.c: (mxf_is_mpeg_essence_track),
(mxf_mpeg_video_handle_essence_element),
(mxf_mpeg_audio_handle_essence_element), (mxf_mpeg_es_create_caps),
(mxf_mpeg_create_caps), (mxf_mpeg_init):
* gst/mxf/mxfmpeg.h:
* gst/mxf/mxfparse.c: (mxf_essence_element_handler_register),
(mxf_essence_element_handler_find):
* gst/mxf/mxfparse.h:
* gst/mxf/mxfup.c: (mxf_is_up_essence_track),
(mxf_up_handle_essence_element), (mxf_up_rgba_create_caps),
(mxf_up_create_caps), (mxf_up_init):
* gst/mxf/mxfup.h:
Implement an essence element handling registry and use this instead
of an hardcoded, large if-then-else block.
2008-12-16 Edward Hervey <edward.hervey@collabora.co.uk>
* tests/check/Makefile.am:

160
gst/mxf/mxfaes-bwf.c
View file

@ -40,6 +40,78 @@
GST_DEBUG_CATEGORY_EXTERN (mxf_debug);
#define GST_CAT_DEFAULT mxf_debug
/* SMPTE 382M Annex 1 */
#define MXF_TYPE_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR \
(mxf_metadata_wave_audio_essence_descriptor_get_type())
#define MXF_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),MXF_TYPE_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR, MXFMetadataWaveAudioEssenceDescriptor))
#define MXF_IS_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),MXF_TYPE_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR))
typedef struct _MXFMetadataWaveAudioEssenceDescriptor
MXFMetadataWaveAudioEssenceDescriptor;
typedef MXFMetadataBaseClass MXFMetadataWaveAudioEssenceDescriptorClass;
GType mxf_metadata_wave_audio_essence_descriptor_get_type (void);
struct _MXFMetadataWaveAudioEssenceDescriptor
{
MXFMetadataGenericSoundEssenceDescriptor parent;
guint16 block_align;
guint8 sequence_offset;
guint32 avg_bps;
MXFUL channel_assignment;
guint32 peak_envelope_version;
guint32 peak_envelope_format;
guint32 points_per_peak_value;
guint32 peak_envelope_block_size;
guint32 peak_channels;
guint32 peak_frames;
gint64 peak_of_peaks_position;
MXFTimestamp peak_envelope_timestamp;
guint8 *peak_envelope_data;
guint16 peak_envelope_data_length;
};
/* SMPTE 382M Annex 2 */
#define MXF_TYPE_METADATA_AES3_AUDIO_ESSENCE_DESCRIPTOR \
(mxf_metadata_aes3_audio_essence_descriptor_get_type())
#define MXF_METADATA_AES3_AUDIO_ESSENCE_DESCRIPTOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),MXF_TYPE_METADATA_AES3_AUDIO_ESSENCE_DESCRIPTOR, MXFMetadataAES3AudioEssenceDescriptor))
#define MXF_IS_METADATA_AES3_AUDIO_ESSENCE_DESCRIPTOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),MXF_TYPE_METADATA_AES3_AUDIO_ESSENCE_DESCRIPTOR))
typedef struct _MXFMetadataAES3AudioEssenceDescriptor
MXFMetadataAES3AudioEssenceDescriptor;
typedef MXFMetadataBaseClass MXFMetadataAES3AudioEssenceDescriptorClass;
GType mxf_metadata_aes3_audio_essence_descriptor_get_type (void);
struct _MXFMetadataAES3AudioEssenceDescriptor
{
MXFMetadataWaveAudioEssenceDescriptor parent;
guint8 emphasis;
guint16 block_start_offset;
guint8 auxiliary_bits_mode;
guint32 n_channel_status_mode;
guint8 *channel_status_mode;
guint32 n_fixed_channel_status_data;
guint8 **fixed_channel_status_data;
guint32 n_user_data_mode;
guint8 *user_data_mode;
guint32 n_fixed_user_data;
guint8 **fixed_user_data;
guint32 linked_timecode_track_id;
guint8 stream_number;
};
/* SMPTE 382M Annex 1 */
G_DEFINE_TYPE (MXFMetadataWaveAudioEssenceDescriptor,
mxf_metadata_wave_audio_essence_descriptor,
@ -463,20 +535,20 @@ static void
mxf_metadata_aes3_audio_essence_descriptor_handle_tag;
}
gboolean
mxf_is_aes_bwf_essence_track (const MXFMetadataTrack * track)
static gboolean
mxf_is_aes_bwf_essence_track (const MXFMetadataTimelineTrack * track)
{
guint i;
g_return_val_if_fail (track != NULL, FALSE);
if (track->descriptor == NULL) {
if (track->parent.descriptor == NULL) {
GST_ERROR ("No descriptor for this track");
return FALSE;
}
for (i = 0; i < track->n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->descriptor[i];
for (i = 0; i < track->parent.n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->parent.descriptor[i];
MXFUL *key;
if (!d)
@ -500,9 +572,10 @@ mxf_is_aes_bwf_essence_track (const MXFMetadataTrack * track)
static GstFlowReturn
mxf_bwf_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
GstCaps * caps, MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
gpointer mapping_data, GstBuffer ** outbuf)
GstCaps * caps,
MXFMetadataTimelineTrack * track,
MXFMetadataStructuralComponent * component, gpointer mapping_data,
GstBuffer ** outbuf)
{
*outbuf = buffer;
@ -519,9 +592,9 @@ mxf_bwf_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
static GstFlowReturn
mxf_aes3_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
GstCaps * caps, MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
gpointer mapping_data, GstBuffer ** outbuf)
GstCaps * caps, MXFMetadataTimelineTrack * track,
MXFMetadataStructuralComponent * component, gpointer mapping_data,
GstBuffer ** outbuf)
{
*outbuf = buffer;
@ -555,10 +628,9 @@ static const MXFUL mxf_sound_essence_compression_alaw =
};
static GstCaps *
mxf_bwf_create_caps (MXFMetadataGenericPackage * package,
MXFMetadataTrack * track,
mxf_bwf_create_caps (MXFMetadataTimelineTrack * track,
MXFMetadataGenericSoundEssenceDescriptor * descriptor, GstTagList ** tags,
MXFEssenceElementHandler * handler, gpointer * mapping_data)
MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
{
GstCaps *ret = NULL;
MXFMetadataWaveAudioEssenceDescriptor *wa_descriptor = NULL;
@ -653,6 +725,8 @@ mxf_bwf_create_caps (MXFMetadataGenericPackage * package,
mxf_ul_to_string (&descriptor->sound_essence_compression, str));
}
*handler = mxf_bwf_handle_essence_element;
if (!*tags)
*tags = gst_tag_list_new ();
@ -666,16 +740,13 @@ mxf_bwf_create_caps (MXFMetadataGenericPackage * package,
gst_tag_list_add (*tags, GST_TAG_MERGE_APPEND, GST_TAG_BITRATE,
wa_descriptor->avg_bps * 8, NULL);
*handler = mxf_bwf_handle_essence_element;
return ret;
}
static GstCaps *
mxf_aes3_create_caps (MXFMetadataGenericPackage * package,
MXFMetadataTrack * track,
mxf_aes3_create_caps (MXFMetadataTimelineTrack * track,
MXFMetadataGenericSoundEssenceDescriptor * descriptor, GstTagList ** tags,
MXFEssenceElementHandler * handler, gpointer * mapping_data)
MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
{
GstCaps *ret = NULL;
MXFMetadataWaveAudioEssenceDescriptor *wa_descriptor = NULL;
@ -726,42 +797,43 @@ mxf_aes3_create_caps (MXFMetadataGenericPackage * package,
return ret;
}
GstCaps *
mxf_aes_bwf_create_caps (MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, GstTagList ** tags,
MXFEssenceElementHandler * handler, gpointer * mapping_data)
static GstCaps *
mxf_aes_bwf_create_caps (MXFMetadataTimelineTrack * track, GstTagList ** tags,
MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
{
MXFMetadataGenericSoundEssenceDescriptor *s = NULL;
gboolean bwf = FALSE;
guint i;
g_return_val_if_fail (package != NULL, NULL);
g_return_val_if_fail (track != NULL, NULL);
if (track->descriptor == NULL) {
if (track->parent.descriptor == NULL) {
GST_ERROR ("No descriptor found for this track");
return NULL;
}
for (i = 0; i < track->n_descriptor; i++) {
if (!track->descriptor[i])
for (i = 0; i < track->parent.n_descriptor; i++) {
if (!track->parent.descriptor[i])
continue;
if (MXF_IS_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (track->descriptor[i])
&& (track->descriptor[i]->essence_container.u[14] == 0x01
|| track->descriptor[i]->essence_container.u[14] == 0x02
|| track->descriptor[i]->essence_container.u[14] == 0x08)) {
s = (MXFMetadataGenericSoundEssenceDescriptor *) track->descriptor[i];
if (MXF_IS_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (track->parent.
descriptor[i])
&& (track->parent.descriptor[i]->essence_container.u[14] == 0x01
|| track->parent.descriptor[i]->essence_container.u[14] == 0x02
|| track->parent.descriptor[i]->essence_container.u[14] == 0x08)) {
s = (MXFMetadataGenericSoundEssenceDescriptor *) track->parent.
descriptor[i];
bwf = TRUE;
break;
} else
if (MXF_IS_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (track->descriptor
[i])
&& (track->descriptor[i]->essence_container.u[14] == 0x03
|| track->descriptor[i]->essence_container.u[14] == 0x04
|| track->descriptor[i]->essence_container.u[14] == 0x09)) {
if (MXF_IS_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (track->parent.
descriptor[i])
&& (track->parent.descriptor[i]->essence_container.u[14] == 0x03
|| track->parent.descriptor[i]->essence_container.u[14] == 0x04
|| track->parent.descriptor[i]->essence_container.u[14] == 0x09)) {
s = (MXFMetadataGenericSoundEssenceDescriptor *) track->descriptor[i];
s = (MXFMetadataGenericSoundEssenceDescriptor *) track->parent.
descriptor[i];
bwf = FALSE;
break;
}
@ -771,15 +843,19 @@ mxf_aes_bwf_create_caps (MXFMetadataGenericPackage * package,
GST_ERROR ("No descriptor found for this track");
return NULL;
} else if (bwf) {
return mxf_bwf_create_caps (package, track, s, tags, handler, mapping_data);
return mxf_bwf_create_caps (track, s, tags, handler, mapping_data);
} else {
return mxf_aes3_create_caps (package, track, s, tags, handler,
mapping_data);
return mxf_aes3_create_caps (track, s, tags, handler, mapping_data);
}
return NULL;
}
static const MXFEssenceElementHandler mxf_aes_bwf_essence_handler = {
mxf_is_aes_bwf_essence_track,
mxf_aes_bwf_create_caps
};
void
mxf_aes_bwf_init (void)
{
@ -787,4 +863,6 @@ mxf_aes_bwf_init (void)
MXF_TYPE_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR);
mxf_metadata_register (0x0147,
MXF_TYPE_METADATA_AES3_AUDIO_ESSENCE_DESCRIPTOR);
mxf_essence_element_handler_register (&mxf_aes_bwf_essence_handler);
}

73
gst/mxf/mxfaes-bwf.h
View file

@ -29,79 +29,6 @@
#include "mxfparse.h"
#include "mxfmetadata.h"
/* SMPTE 382M Annex 1 */
#define MXF_TYPE_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR \
(mxf_metadata_wave_audio_essence_descriptor_get_type())
#define MXF_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),MXF_TYPE_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR, MXFMetadataWaveAudioEssenceDescriptor))
#define MXF_IS_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),MXF_TYPE_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR))
typedef struct _MXFMetadataWaveAudioEssenceDescriptor MXFMetadataWaveAudioEssenceDescriptor;
typedef MXFMetadataBaseClass MXFMetadataWaveAudioEssenceDescriptorClass;
GType mxf_metadata_wave_audio_essence_descriptor_get_type (void);
struct _MXFMetadataWaveAudioEssenceDescriptor {
MXFMetadataGenericSoundEssenceDescriptor parent;
guint16 block_align;
guint8 sequence_offset;
guint32 avg_bps;
MXFUL channel_assignment;
guint32 peak_envelope_version;
guint32 peak_envelope_format;
guint32 points_per_peak_value;
guint32 peak_envelope_block_size;
guint32 peak_channels;
guint32 peak_frames;
gint64 peak_of_peaks_position;
MXFTimestamp peak_envelope_timestamp;
guint8 *peak_envelope_data;
guint16 peak_envelope_data_length;
};
/* SMPTE 382M Annex 2 */
#define MXF_TYPE_METADATA_AES3_AUDIO_ESSENCE_DESCRIPTOR \
(mxf_metadata_aes3_audio_essence_descriptor_get_type())
#define MXF_METADATA_AES3_AUDIO_ESSENCE_DESCRIPTOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),MXF_TYPE_METADATA_AES3_AUDIO_ESSENCE_DESCRIPTOR, MXFMetadataAES3AudioEssenceDescriptor))
#define MXF_IS_METADATA_AES3_AUDIO_ESSENCE_DESCRIPTOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),MXF_TYPE_METADATA_AES3_AUDIO_ESSENCE_DESCRIPTOR))
typedef struct _MXFMetadataAES3AudioEssenceDescriptor MXFMetadataAES3AudioEssenceDescriptor;
typedef MXFMetadataBaseClass MXFMetadataAES3AudioEssenceDescriptorClass;
GType mxf_metadata_aes3_audio_essence_descriptor_get_type (void);
struct _MXFMetadataAES3AudioEssenceDescriptor {
MXFMetadataWaveAudioEssenceDescriptor parent;
guint8 emphasis;
guint16 block_start_offset;
guint8 auxiliary_bits_mode;
guint32 n_channel_status_mode;
guint8 *channel_status_mode;
guint32 n_fixed_channel_status_data;
guint8 **fixed_channel_status_data;
guint32 n_user_data_mode;
guint8 *user_data_mode;
guint32 n_fixed_user_data;
guint8 **fixed_user_data;
guint32 linked_timecode_track_id;
guint8 stream_number;
};
gboolean mxf_is_aes_bwf_essence_track (const MXFMetadataTrack *track);
GstCaps *
mxf_aes_bwf_create_caps (MXFMetadataGenericPackage *package, MXFMetadataTrack *track, GstTagList **tags, MXFEssenceElementHandler *handler, gpointer *mapping_data);
void mxf_aes_bwf_init (void);
#endif /* __MXF_AES_BWF_H__ */

43
gst/mxf/mxfalaw.c
View file

@ -33,18 +33,18 @@
GST_DEBUG_CATEGORY_EXTERN (mxf_debug);
#define GST_CAT_DEFAULT mxf_debug
gboolean
mxf_is_alaw_essence_track (const MXFMetadataTrack * track)
static gboolean
mxf_is_alaw_essence_track (const MXFMetadataTimelineTrack * track)
{
guint i;
g_return_val_if_fail (track != NULL, FALSE);
if (track->descriptor == NULL)
if (track->parent.descriptor == NULL)
return FALSE;
for (i = 0; i < track->n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->descriptor[i];
for (i = 0; i < track->parent.n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->parent.descriptor[i];
MXFUL *key;
if (!d)
@ -63,9 +63,10 @@ mxf_is_alaw_essence_track (const MXFMetadataTrack * track)
static GstFlowReturn
mxf_alaw_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
GstCaps * caps, MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
gpointer mapping_data, GstBuffer ** outbuf)
GstCaps * caps,
MXFMetadataTimelineTrack * track,
MXFMetadataStructuralComponent * component, gpointer mapping_data,
GstBuffer ** outbuf)
{
*outbuf = buffer;
@ -80,29 +81,29 @@ mxf_alaw_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
}
GstCaps *
mxf_alaw_create_caps (MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, GstTagList ** tags,
MXFEssenceElementHandler * handler, gpointer * mapping_data)
static GstCaps *
mxf_alaw_create_caps (MXFMetadataTimelineTrack * track, GstTagList ** tags,
MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
{
MXFMetadataGenericSoundEssenceDescriptor *s = NULL;
guint i;
GstCaps *caps = NULL;
g_return_val_if_fail (package != NULL, NULL);
g_return_val_if_fail (track != NULL, NULL);
if (track->descriptor == NULL) {
if (track->parent.descriptor == NULL) {
GST_ERROR ("No descriptor found for this track");
return NULL;
}
for (i = 0; i < track->n_descriptor; i++) {
if (!track->descriptor[i])
for (i = 0; i < track->parent.n_descriptor; i++) {
if (!track->parent.descriptor[i])
continue;
if (MXF_IS_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (track->descriptor[i])) {
s = (MXFMetadataGenericSoundEssenceDescriptor *) track->descriptor[i];
if (MXF_IS_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (track->parent.
descriptor[i])) {
s = (MXFMetadataGenericSoundEssenceDescriptor *) track->parent.
descriptor[i];
break;
}
}
@ -135,7 +136,13 @@ mxf_alaw_create_caps (MXFMetadataGenericPackage * package,
return caps;
}
static const MXFEssenceElementHandler mxf_alaw_essence_element_handler = {
mxf_is_alaw_essence_track,
mxf_alaw_create_caps
};
void
mxf_alaw_init (void)
{
mxf_essence_element_handler_register (&mxf_alaw_essence_element_handler);
}

5
gst/mxf/mxfalaw.h
View file

@ -28,11 +28,6 @@
#include "mxfparse.h"
gboolean mxf_is_alaw_essence_track (const MXFMetadataTrack *track);
GstCaps *
mxf_alaw_create_caps (MXFMetadataGenericPackage *package, MXFMetadataTrack *track, GstTagList **tags, MXFEssenceElementHandler *handler, gpointer *mapping_data);
void mxf_alaw_init (void);
#endif /* __MXF_ALAW_H__ */

54
gst/mxf/mxfd10.c
View file

@ -40,18 +40,18 @@ typedef struct
guint width, channels;
} MXFD10AudioMappingData;
gboolean
mxf_is_d10_essence_track (const MXFMetadataTrack * track)
static gboolean
mxf_is_d10_essence_track (const MXFMetadataTimelineTrack * track)
{
guint i;
g_return_val_if_fail (track != NULL, FALSE);
if (track->descriptor == NULL)
if (track->parent.descriptor == NULL)
return FALSE;
for (i = 0; i < track->n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->descriptor[i];
for (i = 0; i < track->parent.n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->parent.descriptor[i];
MXFUL *key;
if (!d)
@ -71,9 +71,10 @@ mxf_is_d10_essence_track (const MXFMetadataTrack * track)
static GstFlowReturn
mxf_d10_picture_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
GstCaps * caps, MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
gpointer mapping_data, GstBuffer ** outbuf)
GstCaps * caps,
MXFMetadataTimelineTrack * track,
MXFMetadataStructuralComponent * component, gpointer mapping_data,
GstBuffer ** outbuf)
{
*outbuf = buffer;
@ -88,9 +89,10 @@ mxf_d10_picture_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
static GstFlowReturn
mxf_d10_sound_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
GstCaps * caps, MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
gpointer mapping_data, GstBuffer ** outbuf)
GstCaps * caps,
MXFMetadataTimelineTrack * track,
MXFMetadataStructuralComponent * component, gpointer mapping_data,
GstBuffer ** outbuf)
{
guint i, j, nsamples;
const guint8 *indata;
@ -153,35 +155,35 @@ mxf_d10_sound_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
return GST_FLOW_OK;
}
GstCaps *
mxf_d10_create_caps (MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, GstTagList ** tags,
MXFEssenceElementHandler * handler, gpointer * mapping_data)
static GstCaps *
mxf_d10_create_caps (MXFMetadataTimelineTrack * track, GstTagList ** tags,
MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
{
MXFMetadataGenericPictureEssenceDescriptor *p = NULL;
MXFMetadataGenericSoundEssenceDescriptor *s = NULL;
guint i;
GstCaps *caps = NULL;
g_return_val_if_fail (package != NULL, NULL);
g_return_val_if_fail (track != NULL, NULL);
if (track->descriptor == NULL) {
if (track->parent.descriptor == NULL) {
GST_ERROR ("No descriptor found for this track");
return NULL;
}
for (i = 0; i < track->n_descriptor; i++) {
if (!track->descriptor[i])
for (i = 0; i < track->parent.n_descriptor; i++) {
if (!track->parent.descriptor[i])
continue;
if (MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (track->
descriptor[i])) {
p = (MXFMetadataGenericPictureEssenceDescriptor *) track->descriptor[i];
parent.descriptor[i])) {
p = (MXFMetadataGenericPictureEssenceDescriptor *) track->parent.
descriptor[i];
break;
} else if (MXF_IS_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (track->
descriptor[i])) {
s = (MXFMetadataGenericSoundEssenceDescriptor *) track->descriptor[i];
parent.descriptor[i])) {
s = (MXFMetadataGenericSoundEssenceDescriptor *) track->parent.
descriptor[i];
break;
}
}
@ -243,7 +245,13 @@ mxf_d10_create_caps (MXFMetadataGenericPackage * package,
return caps;
}
static const MXFEssenceElementHandler mxf_d10_essence_element_handler = {
mxf_is_d10_essence_track,
mxf_d10_create_caps
};
void
mxf_d10_init (void)
{
mxf_essence_element_handler_register (&mxf_d10_essence_element_handler);
}

5
gst/mxf/mxfd10.h
View file

@ -28,11 +28,6 @@
#include "mxfparse.h"
gboolean mxf_is_d10_essence_track (const MXFMetadataTrack *track);
GstCaps *
mxf_d10_create_caps (MXFMetadataGenericPackage *package, MXFMetadataTrack *track, GstTagList **tags, MXFEssenceElementHandler *handler, gpointer *mapping_data);
void mxf_d10_init (void);
#endif /* __MXF_D10_H__ */

122
gst/mxf/mxfdemux.c
View file

@ -43,8 +43,6 @@
* timestamp calculation, etc.
* - Handle timecode tracks correctly (where is this documented?)
* - Handle Generic container system items
* - Use an "essence element/track handling" registry instead of the large if-then-else
* block when detecting the codec
* - Force synchronization of tracks. Packets that have the timestamp are not required
* to be stored at the same position in the essence stream, especially if tracks
* with different source packages (body sid) are used.
@ -69,13 +67,6 @@
#include "mxfdemux.h"
#include "mxfparse.h"
#include "mxfmetadata.h"
#include "mxfaes-bwf.h"
#include "mxfmpeg.h"
#include "mxfdv-dif.h"
#include "mxfalaw.h"
#include "mxfjpeg2000.h"
#include "mxfd10.h"
#include "mxfup.h"
#include <string.h>
@ -109,8 +100,9 @@ typedef struct
GstFlowReturn last_flow;
guint64 essence_element_count;
MXFEssenceElementHandler handle_essence_element;
gpointer mapping_data;
const MXFEssenceElementHandler *handler;
MXFEssenceElementHandleFunc handle_func;
GstTagList *tags;
@ -235,6 +227,9 @@ gst_mxf_demux_reset_metadata (GstMXFDemux * demux)
for (i = 0; i < demux->src->len; i++) {
GstMXFDemuxPad *pad = g_ptr_array_index (demux->src, i);
pad->handler = NULL;
pad->handle_func = NULL;
pad->material_track = NULL;
pad->material_package = NULL;
pad->component = NULL;
@ -559,11 +554,11 @@ gst_mxf_demux_choose_package (GstMXFDemux * demux)
for (i = 0; i < demux->preface->content_storage->n_packages; i++) {
if (demux->preface->content_storage->packages[i] &&
MXF_IS_METADATA_MATERIAL_PACKAGE (demux->preface->content_storage->
packages[i])) {
MXF_IS_METADATA_MATERIAL_PACKAGE (demux->preface->
content_storage->packages[i])) {
ret =
MXF_METADATA_GENERIC_PACKAGE (demux->preface->content_storage->
packages[i]);
MXF_METADATA_GENERIC_PACKAGE (demux->preface->
content_storage->packages[i]);
break;
}
}
@ -736,90 +731,23 @@ gst_mxf_demux_handle_header_metadata_update_streams (GstMXFDemux * demux)
pad->source_package = source_package;
pad->source_track = source_track;
pad->handle_essence_element = NULL;
pad->handler = NULL;
g_free (pad->mapping_data);
pad->handle_func = NULL;
pad->mapping_data = NULL;
switch (track->parent.type) {
case MXF_METADATA_TRACK_PICTURE_ESSENCE:
if (mxf_is_mpeg_essence_track ((MXFMetadataTrack *) source_track))
caps =
mxf_mpeg_create_caps (MXF_METADATA_GENERIC_PACKAGE
(source_package), (MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
else if (mxf_is_dv_dif_essence_track ((MXFMetadataTrack *)
source_track))
caps =
mxf_dv_dif_create_caps (MXF_METADATA_GENERIC_PACKAGE
(source_package), (MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
else if (mxf_is_jpeg2000_essence_track ((MXFMetadataTrack *)
source_track))
caps =
mxf_jpeg2000_create_caps (MXF_METADATA_GENERIC_PACKAGE
(source_package), (MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
else if (mxf_is_d10_essence_track ((MXFMetadataTrack *) source_track))
caps =
mxf_d10_create_caps (MXF_METADATA_GENERIC_PACKAGE
(source_package), (MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
else if (mxf_is_up_essence_track ((MXFMetadataTrack *) source_track))
caps =
mxf_up_create_caps (MXF_METADATA_GENERIC_PACKAGE (source_package),
(MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
break;
case MXF_METADATA_TRACK_SOUND_ESSENCE:
if (mxf_is_aes_bwf_essence_track ((MXFMetadataTrack *) source_track))
caps =
mxf_aes_bwf_create_caps (MXF_METADATA_GENERIC_PACKAGE
(source_package), (MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
else if (mxf_is_dv_dif_essence_track ((MXFMetadataTrack *)
source_track))
caps =
mxf_dv_dif_create_caps (MXF_METADATA_GENERIC_PACKAGE
(source_package), (MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
else if (mxf_is_alaw_essence_track ((MXFMetadataTrack *) source_track))
caps =
mxf_alaw_create_caps (MXF_METADATA_GENERIC_PACKAGE
(source_package), (MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
else if (mxf_is_mpeg_essence_track ((MXFMetadataTrack *) source_track))
caps =
mxf_mpeg_create_caps (MXF_METADATA_GENERIC_PACKAGE
(source_package), (MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
else if (mxf_is_d10_essence_track ((MXFMetadataTrack *) source_track))
caps =
mxf_d10_create_caps (MXF_METADATA_GENERIC_PACKAGE
(source_package), (MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
break;
case MXF_METADATA_TRACK_DATA_ESSENCE:
if (mxf_is_dv_dif_essence_track ((MXFMetadataTrack *) source_track))
caps =
mxf_dv_dif_create_caps (MXF_METADATA_GENERIC_PACKAGE
(source_package), (MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
else if (mxf_is_mpeg_essence_track ((MXFMetadataTrack *) source_track))
caps =
mxf_mpeg_create_caps (MXF_METADATA_GENERIC_PACKAGE
(source_package), (MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
else if (mxf_is_d10_essence_track ((MXFMetadataTrack *) source_track))
caps =
mxf_d10_create_caps (MXF_METADATA_GENERIC_PACKAGE
(source_package), (MXFMetadataTrack *) source_track, &pad->tags,
&pad->handle_essence_element, &pad->mapping_data);
break;
default:
g_assert_not_reached ();
break;
pad->handler = mxf_essence_element_handler_find (source_track);
if (!pad->handler) {
GST_WARNING_OBJECT (demux, "No essence element handler for track found");
gst_object_unref (pad);
continue;
}
caps =
pad->handler->create_caps (source_track, &pad->tags, &pad->handle_func,
&pad->mapping_data);
if (!caps) {
GST_WARNING_OBJECT (demux, "No caps created, ignoring stream");
gst_object_unref (pad);
@ -1081,13 +1009,11 @@ gst_mxf_demux_handle_generic_container_essence_element (GstMXFDemux * demux,
GST_BUFFER_OFFSET_END (inbuf) = GST_BUFFER_OFFSET_NONE;
gst_buffer_set_caps (inbuf, pad->caps);
if (pad->handle_essence_element) {
if (pad->handle_func) {
/* Takes ownership of inbuf */
ret =
pad->handle_essence_element (key, inbuf, pad->caps,
(MXFMetadataGenericPackage *) pad->source_package,
(MXFMetadataTrack *) pad->source_track, pad->component,
pad->mapping_data, &outbuf);
pad->handle_func (key, inbuf, pad->caps,
pad->source_track, pad->component, pad->mapping_data, &outbuf);
inbuf = NULL;
} else {
outbuf = inbuf;

44
gst/mxf/mxfdv-dif.c
View file

@ -39,18 +39,18 @@
GST_DEBUG_CATEGORY_EXTERN (mxf_debug);
#define GST_CAT_DEFAULT mxf_debug
gboolean
mxf_is_dv_dif_essence_track (const MXFMetadataTrack * track)
static gboolean
mxf_is_dv_dif_essence_track (const MXFMetadataTimelineTrack * track)
{
guint i;
g_return_val_if_fail (track != NULL, FALSE);
if (track->descriptor == NULL)
if (track->parent.descriptor == NULL)
return FALSE;
for (i = 0; i < track->n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->descriptor[i];
for (i = 0; i < track->parent.n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->parent.descriptor[i];
MXFUL *key;
if (!d)
@ -68,9 +68,10 @@ mxf_is_dv_dif_essence_track (const MXFMetadataTrack * track)
static GstFlowReturn
mxf_dv_dif_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
GstCaps * caps, MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
gpointer mapping_data, GstBuffer ** outbuf)
GstCaps * caps,
MXFMetadataTimelineTrack * track,
MXFMetadataStructuralComponent * component, gpointer mapping_data,
GstBuffer ** outbuf)
{
*outbuf = buffer;
@ -84,30 +85,28 @@ mxf_dv_dif_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
}
GstCaps *
mxf_dv_dif_create_caps (MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, GstTagList ** tags,
MXFEssenceElementHandler * handler, gpointer * mapping_data)
static GstCaps *
mxf_dv_dif_create_caps (MXFMetadataTimelineTrack * track, GstTagList ** tags,
MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
{
MXFMetadataFileDescriptor *f = NULL;
guint i;
GstCaps *caps = NULL;
g_return_val_if_fail (package != NULL, NULL);
g_return_val_if_fail (track != NULL, NULL);
if (track->descriptor == NULL) {
if (track->parent.descriptor == NULL) {
GST_ERROR ("No descriptor found for this track");
return NULL;
}
for (i = 0; i < track->n_descriptor; i++) {
if (!track->descriptor[i])
for (i = 0; i < track->parent.n_descriptor; i++) {
if (!track->parent.descriptor[i])
continue;
if (MXF_IS_METADATA_FILE_DESCRIPTOR (track->descriptor[i]) &&
!MXF_IS_METADATA_MULTIPLE_DESCRIPTOR (track->descriptor[i])) {
f = track->descriptor[i];
if (MXF_IS_METADATA_FILE_DESCRIPTOR (track->parent.descriptor[i]) &&
!MXF_IS_METADATA_MULTIPLE_DESCRIPTOR (track->parent.descriptor[i])) {
f = track->parent.descriptor[i];
}
}
@ -138,8 +137,13 @@ mxf_dv_dif_create_caps (MXFMetadataGenericPackage * package,
return caps;
}
static const MXFEssenceElementHandler mxf_dv_dif_essence_element_handler = {
mxf_is_dv_dif_essence_track,
mxf_dv_dif_create_caps
};
void
mxf_dv_dif_init (void)
{
mxf_essence_element_handler_register (&mxf_dv_dif_essence_element_handler);
}

5
gst/mxf/mxfdv-dif.h
View file

@ -28,11 +28,6 @@
#include "mxfparse.h"
gboolean mxf_is_dv_dif_essence_track (const MXFMetadataTrack *track);
GstCaps *
mxf_dv_dif_create_caps (MXFMetadataGenericPackage *package, MXFMetadataTrack *track, GstTagList **tags, MXFEssenceElementHandler *handler, gpointer *mapping_data);
void mxf_dv_dif_init (void);
#endif /* __MXF_DV_DIF_H__ */

50
gst/mxf/mxfjpeg2000.c
View file

@ -38,18 +38,18 @@
GST_DEBUG_CATEGORY_EXTERN (mxf_debug);
#define GST_CAT_DEFAULT mxf_debug
gboolean
mxf_is_jpeg2000_essence_track (const MXFMetadataTrack * track)
static gboolean
mxf_is_jpeg2000_essence_track (const MXFMetadataTimelineTrack * track)
{
guint i;
g_return_val_if_fail (track != NULL, FALSE);
if (track->descriptor == NULL)
if (track->parent.descriptor == NULL)
return FALSE;
for (i = 0; i < track->n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->descriptor[i];
for (i = 0; i < track->parent.n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->parent.descriptor[i];
MXFUL *key;
if (!d)
@ -68,9 +68,10 @@ mxf_is_jpeg2000_essence_track (const MXFMetadataTrack * track)
static GstFlowReturn
mxf_jpeg2000_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
GstCaps * caps, MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
gpointer mapping_data, GstBuffer ** outbuf)
GstCaps * caps,
MXFMetadataTimelineTrack * track,
MXFMetadataStructuralComponent * component, gpointer mapping_data,
GstBuffer ** outbuf)
{
*outbuf = buffer;
@ -84,10 +85,9 @@ mxf_jpeg2000_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
}
GstCaps *
mxf_jpeg2000_create_caps (MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, GstTagList ** tags,
MXFEssenceElementHandler * handler, gpointer * mapping_data)
static GstCaps *
mxf_jpeg2000_create_caps (MXFMetadataTimelineTrack * track, GstTagList ** tags,
MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
{
MXFMetadataFileDescriptor *f = NULL;
MXFMetadataGenericPictureEssenceDescriptor *p = NULL;
@ -95,26 +95,26 @@ mxf_jpeg2000_create_caps (MXFMetadataGenericPackage * package,
GstCaps *caps = NULL;
guint32 fourcc;
g_return_val_if_fail (package != NULL, NULL);
g_return_val_if_fail (track != NULL, NULL);
if (track->descriptor == NULL) {
if (track->parent.descriptor == NULL) {
GST_ERROR ("No descriptor found for this track");
return NULL;
}
for (i = 0; i < track->n_descriptor; i++) {
if (!track->descriptor[i])
for (i = 0; i < track->parent.n_descriptor; i++) {
if (!track->parent.descriptor[i])
continue;
if (MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (track->
descriptor[i])) {
p = (MXFMetadataGenericPictureEssenceDescriptor *) track->descriptor[i];
f = track->descriptor[i];
parent.descriptor[i])) {
p = (MXFMetadataGenericPictureEssenceDescriptor *) track->parent.
descriptor[i];
f = track->parent.descriptor[i];
break;
} else if (MXF_IS_METADATA_FILE_DESCRIPTOR (track->descriptor[i]) &&
!MXF_IS_METADATA_MULTIPLE_DESCRIPTOR (track->descriptor[i])) {
f = track->descriptor[i];
} else if (MXF_IS_METADATA_FILE_DESCRIPTOR (track->parent.descriptor[i]) &&
!MXF_IS_METADATA_MULTIPLE_DESCRIPTOR (track->parent.descriptor[i])) {
f = track->parent.descriptor[i];
}
}
@ -198,7 +198,13 @@ mxf_jpeg2000_create_caps (MXFMetadataGenericPackage * package,
return caps;
}
static const MXFEssenceElementHandler mxf_jpeg2000_essence_element_handler = {
mxf_is_jpeg2000_essence_track,
mxf_jpeg2000_create_caps
};
void
mxf_jpeg2000_init (void)
{
mxf_essence_element_handler_register (&mxf_jpeg2000_essence_element_handler);
}

5
gst/mxf/mxfjpeg2000.h
View file

@ -28,11 +28,6 @@
#include "mxfparse.h"
gboolean mxf_is_jpeg2000_essence_track (const MXFMetadataTrack *track);
GstCaps *
mxf_jpeg2000_create_caps (MXFMetadataGenericPackage *package, MXFMetadataTrack *track, GstTagList **tags, MXFEssenceElementHandler *handler, gpointer *mapping_data);
void mxf_jpeg2000_init (void);
#endif /* __MXF_JPEG2000_H__ */

94
gst/mxf/mxfmpeg.c
View file

@ -91,6 +91,35 @@ static const guint8 _profile_and_level_ul[] = {
0x0a, 0x00, 0x00
};
/* SMPTE 381M 8.1 */
#define MXF_TYPE_METADATA_MPEG_VIDEO_DESCRIPTOR \
(mxf_metadata_mpeg_video_descriptor_get_type())
#define MXF_METADATA_MPEG_VIDEO_DESCRIPTOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),MXF_TYPE_METADATA_MPEG_VIDEO_DESCRIPTOR, MXFMetadataMPEGVideoDescriptor))
#define MXF_IS_METADATA_MPEG_VIDEO_DESCRIPTOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),MXF_TYPE_METADATA_MPEG_VIDEO_DESCRIPTOR))
typedef struct _MXFMetadataMPEGVideoDescriptor MXFMetadataMPEGVideoDescriptor;
typedef MXFMetadataBaseClass MXFMetadataMPEGVideoDescriptorClass;
GType mxf_metadata_mpeg_video_descriptor_get_type (void);
struct _MXFMetadataMPEGVideoDescriptor
{
MXFMetadataCDCIPictureEssenceDescriptor parent;
gboolean single_sequence;
gboolean const_b_frames;
guint8 coded_content_type;
gboolean low_delay;
gboolean closed_gop;
gboolean identical_gop;
guint16 max_gop;
guint16 b_picture_count;
guint32 bitrate;
guint8 profile_and_level;
};
G_DEFINE_TYPE (MXFMetadataMPEGVideoDescriptor,
mxf_metadata_mpeg_video_descriptor,
MXF_TYPE_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR);
@ -195,18 +224,18 @@ static void
mxf_metadata_mpeg_video_descriptor_handle_tag;
}
gboolean
mxf_is_mpeg_essence_track (const MXFMetadataTrack * track)
static gboolean
mxf_is_mpeg_essence_track (const MXFMetadataTimelineTrack * track)
{
guint i;
g_return_val_if_fail (track != NULL, FALSE);
if (track->descriptor == NULL)
if (track->parent.descriptor == NULL)
return FALSE;
for (i = 0; i < track->n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->descriptor[i];
for (i = 0; i < track->parent.n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->parent.descriptor[i];
MXFUL *key;
if (!d)
@ -226,9 +255,9 @@ mxf_is_mpeg_essence_track (const MXFMetadataTrack * track)
static GstFlowReturn
mxf_mpeg_video_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
GstCaps * caps, MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
gpointer mapping_data, GstBuffer ** outbuf)
GstCaps * caps, MXFMetadataTimelineTrack * track,
MXFMetadataStructuralComponent * component, gpointer mapping_data,
GstBuffer ** outbuf)
{
*outbuf = buffer;
@ -244,9 +273,9 @@ mxf_mpeg_video_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
static GstFlowReturn
mxf_mpeg_audio_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
GstCaps * caps, MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
gpointer mapping_data, GstBuffer ** outbuf)
GstCaps * caps, MXFMetadataTimelineTrack * track,
MXFMetadataStructuralComponent * component, gpointer mapping_data,
GstBuffer ** outbuf)
{
*outbuf = buffer;
@ -300,9 +329,8 @@ static const MXFUL sound_essence_compression_dts = { {
};
static GstCaps *
mxf_mpeg_es_create_caps (MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, GstTagList ** tags,
MXFEssenceElementHandler * handler, gpointer * mapping_data,
mxf_mpeg_es_create_caps (MXFMetadataTimelineTrack * track, GstTagList ** tags,
MXFEssenceElementHandleFunc * handler, gpointer * mapping_data,
MXFMetadataGenericPictureEssenceDescriptor * p,
MXFMetadataGenericSoundEssenceDescriptor * s)
{
@ -430,10 +458,9 @@ mxf_mpeg_es_create_caps (MXFMetadataGenericPackage * package,
return caps;
}
GstCaps *
mxf_mpeg_create_caps (MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, GstTagList ** tags,
MXFEssenceElementHandler * handler, gpointer * mapping_data)
static GstCaps *
mxf_mpeg_create_caps (MXFMetadataTimelineTrack * track, GstTagList ** tags,
MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
{
MXFMetadataFileDescriptor *f = NULL;
MXFMetadataGenericPictureEssenceDescriptor *p = NULL;
@ -441,27 +468,28 @@ mxf_mpeg_create_caps (MXFMetadataGenericPackage * package,
guint i;
GstCaps *caps = NULL;
g_return_val_if_fail (package != NULL, NULL);
g_return_val_if_fail (track != NULL, NULL);
if (track->descriptor == NULL) {
if (track->parent.descriptor == NULL) {
GST_ERROR ("No descriptor found for this track");
return NULL;
}
for (i = 0; i < track->n_descriptor; i++) {
if (!track->descriptor[i])
for (i = 0; i < track->parent.n_descriptor; i++) {
if (!track->parent.descriptor[i])
continue;
if (MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (track->
descriptor[i])) {
f = track->descriptor[i];
p = (MXFMetadataGenericPictureEssenceDescriptor *) track->descriptor[i];
parent.descriptor[i])) {
f = track->parent.descriptor[i];
p = (MXFMetadataGenericPictureEssenceDescriptor *) track->parent.
descriptor[i];
break;
} else if (MXF_IS_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (track->
descriptor[i])) {
f = track->descriptor[i];
s = (MXFMetadataGenericSoundEssenceDescriptor *) track->descriptor[i];
parent.descriptor[i])) {
f = track->parent.descriptor[i];
s = (MXFMetadataGenericSoundEssenceDescriptor *) track->parent.
descriptor[i];
break;
}
}
@ -475,9 +503,7 @@ mxf_mpeg_create_caps (MXFMetadataGenericPackage * package,
if (f->essence_container.u[13] == 0x04) {
GST_DEBUG ("Found MPEG ES stream");
caps =
mxf_mpeg_es_create_caps (package, track, tags, handler, mapping_data, p,
s);
caps = mxf_mpeg_es_create_caps (track, tags, handler, mapping_data, p, s);
} else if (f->essence_container.u[13] == 0x07) {
GST_ERROR ("MPEG PES streams not supported yet");
return NULL;
@ -507,8 +533,14 @@ mxf_mpeg_create_caps (MXFMetadataGenericPackage * package,
return caps;
}
static const MXFEssenceElementHandler mxf_mpeg_essence_element_handler = {
mxf_is_mpeg_essence_track,
mxf_mpeg_create_caps
};
void
mxf_mpeg_init (void)
{
mxf_metadata_register (0x0151, MXF_TYPE_METADATA_MPEG_VIDEO_DESCRIPTOR);
mxf_essence_element_handler_register (&mxf_mpeg_essence_element_handler);
}

33
gst/mxf/mxfmpeg.h
View file

@ -29,39 +29,6 @@
#include "mxfparse.h"
#include "mxfmetadata.h"
/* SMPTE 381M 8.1 */
#define MXF_TYPE_METADATA_MPEG_VIDEO_DESCRIPTOR \
(mxf_metadata_mpeg_video_descriptor_get_type())
#define MXF_METADATA_MPEG_VIDEO_DESCRIPTOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),MXF_TYPE_METADATA_MPEG_VIDEO_DESCRIPTOR, MXFMetadataMPEGVideoDescriptor))
#define MXF_IS_METADATA_MPEG_VIDEO_DESCRIPTOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),MXF_TYPE_METADATA_MPEG_VIDEO_DESCRIPTOR))
typedef struct _MXFMetadataMPEGVideoDescriptor MXFMetadataMPEGVideoDescriptor;
typedef MXFMetadataBaseClass MXFMetadataMPEGVideoDescriptorClass;
GType mxf_metadata_mpeg_video_descriptor_get_type (void);
struct _MXFMetadataMPEGVideoDescriptor {
MXFMetadataCDCIPictureEssenceDescriptor parent;
gboolean single_sequence;
gboolean const_b_frames;
guint8 coded_content_type;
gboolean low_delay;
gboolean closed_gop;
gboolean identical_gop;
guint16 max_gop;
guint16 b_picture_count;
guint32 bitrate;
guint8 profile_and_level;
};
gboolean mxf_is_mpeg_essence_track (const MXFMetadataTrack *track);
GstCaps *
mxf_mpeg_create_caps (MXFMetadataGenericPackage *package, MXFMetadataTrack *track, GstTagList **tags, MXFEssenceElementHandler *handler, gpointer *mapping_data);
void mxf_mpeg_init (void);
#endif /* __MXF_MPEG_H__ */

27
gst/mxf/mxfparse.c
View file

@ -1015,3 +1015,30 @@ mxf_local_tag_add_to_hash_table (const MXFPrimerPack * primer,
return TRUE;
}
static GSList *_mxf_essence_element_handler_registry = NULL;
void
mxf_essence_element_handler_register (const MXFEssenceElementHandler * handler)
{
_mxf_essence_element_handler_registry =
g_slist_prepend (_mxf_essence_element_handler_registry,
(gpointer) handler);
}
const MXFEssenceElementHandler *
mxf_essence_element_handler_find (const MXFMetadataTimelineTrack * track)
{
GSList *l;
const MXFEssenceElementHandler *ret = NULL;
for (l = _mxf_essence_element_handler_registry; l; l = l->next) {
MXFEssenceElementHandler *current = l->data;
if (current->handles_track (track)) {
ret = current;
}
}
return ret;
}

10
gst/mxf/mxfparse.h
View file

@ -27,7 +27,12 @@
#include "mxftypes.h"
#include "mxfmetadata.h"
typedef GstFlowReturn (*MXFEssenceElementHandler) (const MXFUL *key, GstBuffer *buffer, GstCaps *caps, MXFMetadataGenericPackage *package, MXFMetadataTrack *track, MXFMetadataStructuralComponent *component, gpointer mapping_data, GstBuffer **outbuf);
typedef GstFlowReturn (*MXFEssenceElementHandleFunc) (const MXFUL *key, GstBuffer *buffer, GstCaps *caps, MXFMetadataTimelineTrack *track, MXFMetadataStructuralComponent *component, gpointer mapping_data, GstBuffer **outbuf);
typedef struct {
gboolean (*handles_track) (const MXFMetadataTimelineTrack *track);
GstCaps * (*create_caps) (MXFMetadataTimelineTrack *track, GstTagList **tags, MXFEssenceElementHandleFunc *handler, gpointer *mapping_data);
} MXFEssenceElementHandler;
gchar * mxf_ul_to_string (const MXFUL *ul, gchar str[48]);
gboolean mxf_ul_is_equal (const MXFUL *a, const MXFUL *b);
@ -90,5 +95,8 @@ gboolean mxf_local_tag_add_to_hash_table (const MXFPrimerPack *primer,
guint16 tag, const guint8 *tag_data, guint16 tag_size,
GHashTable **hash_table);
void mxf_essence_element_handler_register (const MXFEssenceElementHandler *handler);
const MXFEssenceElementHandler * mxf_essence_element_handler_find (const MXFMetadataTimelineTrack *track);
#endif /* __MXF_PARSE_H__ */

65
gst/mxf/mxfup.c
View file

@ -49,18 +49,18 @@ typedef struct
guint32 image_end_offset;
} MXFUPMappingData;
gboolean
mxf_is_up_essence_track (const MXFMetadataTrack * track)
static gboolean
mxf_is_up_essence_track (const MXFMetadataTimelineTrack * track)
{
guint i;
g_return_val_if_fail (track != NULL, FALSE);
if (track->descriptor == NULL)
if (track->parent.descriptor == NULL)
return FALSE;
for (i = 0; i < track->n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->descriptor[i];
for (i = 0; i < track->parent.n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->parent.descriptor[i];
MXFUL *key;
if (!d)
@ -78,9 +78,10 @@ mxf_is_up_essence_track (const MXFMetadataTrack * track)
static GstFlowReturn
mxf_up_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
GstCaps * caps, MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
gpointer mapping_data, GstBuffer ** outbuf)
GstCaps * caps,
MXFMetadataTimelineTrack * track,
MXFMetadataStructuralComponent * component, gpointer mapping_data,
GstBuffer ** outbuf)
{
MXFUPMappingData *data = mapping_data;
@ -111,10 +112,9 @@ mxf_up_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
}
static GstCaps *
mxf_up_rgba_create_caps (MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, MXFMetadataRGBAPictureEssenceDescriptor * d,
GstTagList ** tags,
MXFEssenceElementHandler * handler, gpointer * mapping_data)
mxf_up_rgba_create_caps (MXFMetadataTimelineTrack * track,
MXFMetadataRGBAPictureEssenceDescriptor * d, GstTagList ** tags,
MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
{
GstCaps *caps = NULL;
@ -201,10 +201,9 @@ mxf_up_rgba_create_caps (MXFMetadataGenericPackage * package,
return caps;
}
GstCaps *
mxf_up_create_caps (MXFMetadataGenericPackage * package,
MXFMetadataTrack * track, GstTagList ** tags,
MXFEssenceElementHandler * handler, gpointer * mapping_data)
static GstCaps *
mxf_up_create_caps (MXFMetadataTimelineTrack * track, GstTagList ** tags,
MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
{
MXFMetadataGenericPictureEssenceDescriptor *p = NULL;
MXFMetadataCDCIPictureEssenceDescriptor *c = NULL;
@ -212,26 +211,30 @@ mxf_up_create_caps (MXFMetadataGenericPackage * package,
guint i;
GstCaps *caps = NULL;
g_return_val_if_fail (package != NULL, NULL);
g_return_val_if_fail (track != NULL, NULL);
if (track->descriptor == NULL) {
if (track->parent.descriptor == NULL) {
GST_ERROR ("No descriptor found for this track");
return NULL;
}
for (i = 0; i < track->n_descriptor; i++) {
if (!track->descriptor[i])
for (i = 0; i < track->parent.n_descriptor; i++) {
if (!track->parent.descriptor[i])
continue;
if (MXF_IS_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR (track->descriptor[i])) {
p = (MXFMetadataGenericPictureEssenceDescriptor *) track->descriptor[i];
r = (MXFMetadataRGBAPictureEssenceDescriptor *) track->descriptor[i];
if (MXF_IS_METADATA_RGBA_PICTURE_ESSENCE_DESCRIPTOR (track->parent.
descriptor[i])) {
p = (MXFMetadataGenericPictureEssenceDescriptor *) track->parent.
descriptor[i];
r = (MXFMetadataRGBAPictureEssenceDescriptor *) track->parent.
descriptor[i];
break;
} else if (MXF_IS_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR (track->
descriptor[i])) {
p = (MXFMetadataGenericPictureEssenceDescriptor *) track->descriptor[i];
c = (MXFMetadataCDCIPictureEssenceDescriptor *) track->descriptor[i];
parent.descriptor[i])) {
p = (MXFMetadataGenericPictureEssenceDescriptor *) track->parent.
descriptor[i];
c = (MXFMetadataCDCIPictureEssenceDescriptor *) track->parent.
descriptor[i];
}
}
@ -243,9 +246,7 @@ mxf_up_create_caps (MXFMetadataGenericPackage * package,
*handler = mxf_up_handle_essence_element;
if (r) {
caps =
mxf_up_rgba_create_caps (package, track, r, tags, handler,
mapping_data);
caps = mxf_up_rgba_create_caps (track, r, tags, handler, mapping_data);
} else {
GST_ERROR ("CDCI uncompressed picture essence not supported yet");
return NULL;
@ -258,7 +259,13 @@ mxf_up_create_caps (MXFMetadataGenericPackage * package,
return caps;
}
static const MXFEssenceElementHandler mxf_up_essence_element_handler = {
mxf_is_up_essence_track,
mxf_up_create_caps
};
void
mxf_up_init (void)
{
mxf_essence_element_handler_register (&mxf_up_essence_element_handler);
}

5
gst/mxf/mxfup.h
View file

@ -28,11 +28,6 @@
#include "mxfparse.h"
gboolean mxf_is_up_essence_track (const MXFMetadataTrack *track);
GstCaps *
mxf_up_create_caps (MXFMetadataGenericPackage *package, MXFMetadataTrack *track, GstTagList **tags, MXFEssenceElementHandler *handler, gpointer *mapping_data);
void mxf_up_init (void);
#endif /* __MXF_UP_H__ */