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-rw-r--r--gst/mxf/mxfaes-bwf.c162
1 files changed, 120 insertions, 42 deletions
diff --git a/gst/mxf/mxfaes-bwf.c b/gst/mxf/mxfaes-bwf.c
index e88183ed..b684c193 100644
--- a/gst/mxf/mxfaes-bwf.c
+++ b/gst/mxf/mxfaes-bwf.c
@@ -41,6 +41,78 @@ 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,
MXF_TYPE_METADATA_GENERIC_SOUND_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)) {
-
- 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] == 0x03
+ || track->parent.descriptor[i]->essence_container.u[14] == 0x04
+ || track->parent.descriptor[i]->essence_container.u[14] == 0x09)) {
+
+ 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);
}