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Diffstat (limited to 'gst/mxf/mxfmpeg.c')
-rw-r--r--gst/mxf/mxfmpeg.c127
1 files changed, 68 insertions, 59 deletions
diff --git a/gst/mxf/mxfmpeg.c b/gst/mxf/mxfmpeg.c
index 608ecc27..7ba129f9 100644
--- a/gst/mxf/mxfmpeg.c
+++ b/gst/mxf/mxfmpeg.c
@@ -91,14 +91,18 @@ static const guint8 _profile_and_level_ul[] = {
0x0a, 0x00, 0x00
};
-gboolean
-mxf_metadata_mpeg_video_descriptor_handle_tag (MXFMetadataGenericDescriptor * d,
- const MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
- guint16 tag_size)
+G_DEFINE_TYPE (MXFMetadataMPEGVideoDescriptor,
+ mxf_metadata_mpeg_video_descriptor,
+ MXF_TYPE_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR);
+
+static gboolean
+mxf_metadata_mpeg_video_descriptor_handle_tag (MXFMetadataBase * metadata,
+ MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
+ guint tag_size)
{
- MXFMetadataMPEGVideoDescriptor *descriptor =
- (MXFMetadataMPEGVideoDescriptor *) d;
- gboolean ret = FALSE;
+ MXFMetadataMPEGVideoDescriptor *self =
+ MXF_METADATA_MPEG_VIDEO_DESCRIPTOR (metadata);
+ gboolean ret = TRUE;
MXFUL *tag_ul = NULL;
if (!(tag_ul =
@@ -109,91 +113,86 @@ mxf_metadata_mpeg_video_descriptor_handle_tag (MXFMetadataGenericDescriptor * d,
if (memcmp (tag_ul, &_single_sequence_ul, 16) == 0) {
if (tag_size != 1)
goto error;
- descriptor->single_sequence = GST_READ_UINT8 (tag_data);
+ self->single_sequence = GST_READ_UINT8 (tag_data);
GST_DEBUG (" single sequence = %s",
- (descriptor->single_sequence) ? "yes" : "no");
- ret = TRUE;
+ (self->single_sequence) ? "yes" : "no");
} else if (memcmp (tag_ul, &_constant_b_frames_ul, 16) == 0) {
if (tag_size != 1)
goto error;
- descriptor->const_b_frames = GST_READ_UINT8 (tag_data);
+ self->const_b_frames = GST_READ_UINT8 (tag_data);
GST_DEBUG (" constant b frames = %s",
- (descriptor->single_sequence) ? "yes" : "no");
- ret = TRUE;
+ (self->single_sequence) ? "yes" : "no");
} else if (memcmp (tag_ul, &_coded_content_type_ul, 16) == 0) {
if (tag_size != 1)
goto error;
- descriptor->coded_content_type = GST_READ_UINT8 (tag_data);
- GST_DEBUG (" coded content type = %u", descriptor->coded_content_type);
- ret = TRUE;
+ self->coded_content_type = GST_READ_UINT8 (tag_data);
+ GST_DEBUG (" coded content type = %u", self->coded_content_type);
} else if (memcmp (tag_ul, &_low_delay_ul, 16) == 0) {
if (tag_size != 1)
goto error;
- descriptor->low_delay = GST_READ_UINT8 (tag_data);
- GST_DEBUG (" low delay = %s", (descriptor->low_delay) ? "yes" : "no");
- ret = TRUE;
+ self->low_delay = GST_READ_UINT8 (tag_data);
+ GST_DEBUG (" low delay = %s", (self->low_delay) ? "yes" : "no");
} else if (memcmp (tag_ul, &_closed_gop_ul, 16) == 0) {
if (tag_size != 1)
goto error;
- descriptor->closed_gop = GST_READ_UINT8 (tag_data);
- GST_DEBUG (" closed gop = %s", (descriptor->closed_gop) ? "yes" : "no");
- ret = TRUE;
+ self->closed_gop = GST_READ_UINT8 (tag_data);
+ GST_DEBUG (" closed gop = %s", (self->closed_gop) ? "yes" : "no");
} else if (memcmp (tag_ul, &_identical_gop_ul, 16) == 0) {
if (tag_size != 1)
goto error;
- descriptor->identical_gop = GST_READ_UINT8 (tag_data);
- GST_DEBUG (" identical gop = %s",
- (descriptor->identical_gop) ? "yes" : "no");
- ret = TRUE;
+ self->identical_gop = GST_READ_UINT8 (tag_data);
+ GST_DEBUG (" identical gop = %s", (self->identical_gop) ? "yes" : "no");
} else if (memcmp (tag_ul, &_max_gop_ul, 16) == 0) {
if (tag_size != 2)
goto error;
- descriptor->max_gop = GST_READ_UINT16_BE (tag_data);
- GST_DEBUG (" max gop = %u", descriptor->max_gop);
- ret = TRUE;
+ self->max_gop = GST_READ_UINT16_BE (tag_data);
+ GST_DEBUG (" max gop = %u", self->max_gop);
} else if (memcmp (tag_ul, &_b_picture_count_ul, 16) == 0) {
if (tag_size != 2)
goto error;
- descriptor->b_picture_count = GST_READ_UINT16_BE (tag_data);
- GST_DEBUG (" b picture count = %u", descriptor->b_picture_count);
- ret = TRUE;
+ self->b_picture_count = GST_READ_UINT16_BE (tag_data);
+ GST_DEBUG (" b picture count = %u", self->b_picture_count);
} else if (memcmp (tag_ul, &_bitrate_ul, 16) == 0) {
if (tag_size != 4)
goto error;
- descriptor->bitrate = GST_READ_UINT32_BE (tag_data);
- GST_DEBUG (" bitrate = %u", descriptor->bitrate);
- ret = TRUE;
+ self->bitrate = GST_READ_UINT32_BE (tag_data);
+ GST_DEBUG (" bitrate = %u", self->bitrate);
} else if (memcmp (tag_ul, &_profile_and_level_ul, 16) == 0) {
if (tag_size != 1)
goto error;
- descriptor->profile_and_level = GST_READ_UINT8 (tag_data);
- GST_DEBUG (" profile & level = %u", descriptor->profile_and_level);
- ret = TRUE;
+ self->profile_and_level = GST_READ_UINT8 (tag_data);
+ GST_DEBUG (" profile & level = %u", self->profile_and_level);
} else {
ret =
- mxf_metadata_cdci_picture_essence_descriptor_handle_tag (d, primer, tag,
- tag_data, tag_size);
+ MXF_METADATA_BASE_CLASS
+ (mxf_metadata_mpeg_video_descriptor_parent_class)->handle_tag (metadata,
+ primer, tag, tag_data, tag_size);
}
return ret;
error:
- GST_ERROR ("Invalid mpeg video descriptor tag 0x%04x of size %u", tag,
+
+ GST_ERROR ("Invalid MPEG video descriptor local tag 0x%04x of size %u", tag,
tag_size);
return FALSE;
}
-void mxf_metadata_mpeg_video_descriptor_reset
- (MXFMetadataMPEGVideoDescriptor * descriptor)
+static void
+mxf_metadata_mpeg_video_descriptor_init (MXFMetadataMPEGVideoDescriptor * self)
{
- g_return_if_fail (descriptor != NULL);
- mxf_metadata_cdci_picture_essence_descriptor_reset (
- (MXFMetadataCDCIPictureEssenceDescriptor *) descriptor);
+}
+
+static void
+ mxf_metadata_mpeg_video_descriptor_class_init
+ (MXFMetadataMPEGVideoDescriptorClass * klass)
+{
+ MXFMetadataBaseClass *metadata_base_class = (MXFMetadataBaseClass *) klass;
- MXF_METADATA_DESCRIPTOR_CLEAR (descriptor, MXFMetadataMPEGVideoDescriptor,
- MXFMetadataCDCIPictureEssenceDescriptor);
+ metadata_base_class->handle_tag =
+ mxf_metadata_mpeg_video_descriptor_handle_tag;
}
gboolean
@@ -208,7 +207,12 @@ mxf_is_mpeg_essence_track (const MXFMetadataTrack * track)
for (i = 0; i < track->n_descriptor; i++) {
MXFMetadataFileDescriptor *d = track->descriptor[i];
- MXFUL *key = &d->essence_container;
+ MXFUL *key;
+
+ if (!d)
+ continue;
+
+ key = &d->essence_container;
/* SMPTE 381M 7 */
if (mxf_is_generic_container_essence_container_label (key) &&
key->u[12] == 0x02 &&
@@ -338,8 +342,8 @@ mxf_mpeg_es_create_caps (MXFMetadataGenericPackage * package,
codec_name = "MPEG-1 Video";
} else if (p->picture_essence_coding.u[13] == 0x20) {
MXFLocalTag *local_tag =
- (((MXFMetadataGenericDescriptor *) p)->other_tags) ?
- g_hash_table_lookup (((MXFMetadataGenericDescriptor *)
+ (((MXFMetadataBase *) p)->other_tags) ?
+ g_hash_table_lookup (((MXFMetadataBase *)
p)->other_tags, &sony_mpeg4_extradata) : NULL;
caps = gst_caps_new_simple ("video/mpeg", "mpegversion", G_TYPE_INT, 4,
@@ -446,17 +450,16 @@ mxf_mpeg_create_caps (MXFMetadataGenericPackage * package,
}
for (i = 0; i < track->n_descriptor; i++) {
- if (((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
- MXF_METADATA_MPEG_VIDEO_DESCRIPTOR ||
- ((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
- MXF_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR ||
- ((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
- MXF_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR) {
+ if (!track->descriptor[i])
+ continue;
+
+ if (MXF_IS_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR (track->
+ descriptor[i])) {
f = track->descriptor[i];
p = (MXFMetadataGenericPictureEssenceDescriptor *) track->descriptor[i];
break;
- } else if (((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
- MXF_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR) {
+ } else if (MXF_IS_METADATA_GENERIC_SOUND_ESSENCE_DESCRIPTOR (track->
+ descriptor[i])) {
f = track->descriptor[i];
s = (MXFMetadataGenericSoundEssenceDescriptor *) track->descriptor[i];
break;
@@ -503,3 +506,9 @@ mxf_mpeg_create_caps (MXFMetadataGenericPackage * package,
return caps;
}
+
+void
+mxf_mpeg_init (void)
+{
+ mxf_metadata_register (0x0151, MXF_TYPE_METADATA_MPEG_VIDEO_DESCRIPTOR);
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-07 03:31:44 +0000