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Diffstat (limited to 'gst/mxf/mxfmpeg.c')
-rw-r--r--gst/mxf/mxfmpeg.c186
1 files changed, 82 insertions, 104 deletions
diff --git a/gst/mxf/mxfmpeg.c b/gst/mxf/mxfmpeg.c
index 6a363128..ab70780b 100644
--- a/gst/mxf/mxfmpeg.c
+++ b/gst/mxf/mxfmpeg.c
@@ -89,116 +89,94 @@ static const guint8 _profile_and_level_ul[] = {
};
gboolean
-mxf_metadata_mpeg_video_descriptor_parse (const MXFUL * key,
- MXFMetadataMPEGVideoDescriptor * descriptor,
- const MXFPrimerPack * primer, guint16 type, const guint8 * data, guint size)
+mxf_metadata_mpeg_video_descriptor_handle_tag (MXFMetadataGenericDescriptor * d,
+ const MXFPrimerPack * primer, guint16 tag, const guint8 * tag_data,
+ guint16 tag_size)
{
- guint16 tag, tag_size;
- const guint8 *tag_data;
-
- g_return_val_if_fail (data != NULL, FALSE);
-
- memset (descriptor, 0, sizeof (MXFMetadataMPEGVideoDescriptor));
+ MXFMetadataMPEGVideoDescriptor *descriptor =
+ (MXFMetadataMPEGVideoDescriptor *) d;
+ gboolean ret = FALSE;
+ MXFUL *tag_ul = NULL;
+
+ if (!(tag_ul =
+ (MXFUL *) g_hash_table_lookup (primer->mappings,
+ GUINT_TO_POINTER (((guint) tag)))))
+ return FALSE;
- if (!mxf_metadata_cdci_picture_essence_descriptor_parse (key,
- (MXFMetadataCDCIPictureEssenceDescriptor *) descriptor, primer, type,
- data, size))
- goto error;
-
- while (mxf_local_tag_parse (data, size, &tag, &tag_size, &tag_data)) {
- MXFUL *tag_ul = NULL;
-
- if (tag_size == 0 || tag == 0x0000)
- goto next;
-
- if (!(tag_ul =
- (MXFUL *) g_hash_table_lookup (primer->mappings,
- GUINT_TO_POINTER (((guint) tag)))))
- goto next;
-
- if (memcmp (tag_ul, &_single_sequence_ul, 16) == 0) {
- GST_WRITE_UINT16_BE (data, 0x0000);
- if (tag_size != 1)
- goto error;
- descriptor->single_sequence = GST_READ_UINT8 (tag_data);
- } else if (memcmp (tag_ul, &_constant_b_frames_ul, 16) == 0) {
- GST_WRITE_UINT16_BE (data, 0x0000);
- if (tag_size != 1)
- goto error;
- descriptor->const_b_frames = GST_READ_UINT8 (tag_data);
- } else if (memcmp (tag_ul, &_coded_content_type_ul, 16) == 0) {
- GST_WRITE_UINT16_BE (data, 0x0000);
- if (tag_size != 1)
- goto error;
- descriptor->coded_content_type = GST_READ_UINT8 (tag_data);
- } else if (memcmp (tag_ul, &_low_delay_ul, 16) == 0) {
- GST_WRITE_UINT16_BE (data, 0x0000);
- if (tag_size != 1)
- goto error;
- descriptor->low_delay = GST_READ_UINT8 (tag_data);
- } else if (memcmp (tag_ul, &_closed_gop_ul, 16) == 0) {
- GST_WRITE_UINT16_BE (data, 0x0000);
- if (tag_size != 1)
- goto error;
- descriptor->closed_gop = GST_READ_UINT8 (tag_data);
- } else if (memcmp (tag_ul, &_identical_gop_ul, 16) == 0) {
- GST_WRITE_UINT16_BE (data, 0x0000);
- if (tag_size != 1)
- goto error;
- descriptor->identical_gop = GST_READ_UINT8 (tag_data);
- } else if (memcmp (tag_ul, &_max_gop_ul, 16) == 0) {
- GST_WRITE_UINT16_BE (data, 0x0000);
- if (tag_size != 2)
- goto error;
- descriptor->max_gop = GST_READ_UINT16_BE (tag_data);
- } else if (memcmp (tag_ul, &_b_picture_count_ul, 16) == 0) {
- GST_WRITE_UINT16_BE (data, 0x0000);
- if (tag_size != 2)
- goto error;
- descriptor->b_picture_count = GST_READ_UINT16_BE (tag_data);
- } else if (memcmp (tag_ul, &_bitrate_ul, 16) == 0) {
- GST_WRITE_UINT16_BE (data, 0x0000);
- if (tag_size != 4)
- goto error;
- descriptor->bitrate = GST_READ_UINT32_BE (tag_data);
- } else if (memcmp (tag_ul, &_profile_and_level_ul, 16) == 0) {
- GST_WRITE_UINT16_BE (data, 0x0000);
- if (tag_size != 1)
- goto error;
- descriptor->profile_and_level = GST_READ_UINT8 (tag_data);
- } else {
- if (type != MXF_METADATA_MPEG_VIDEO_DESCRIPTOR)
- goto next;
- GST_WRITE_UINT16_BE (data, 0x0000);
- if (!gst_metadata_add_custom_tag (primer, tag, tag_data, tag_size,
- &((MXFMetadataGenericDescriptor *) descriptor)->other_tags))
- goto error;
- }
- next:
- data += 4 + tag_size;
- size -= 4 + tag_size;
+ if (memcmp (tag_ul, &_single_sequence_ul, 16) == 0) {
+ if (tag_size != 1)
+ goto error;
+ descriptor->single_sequence = GST_READ_UINT8 (tag_data);
+ GST_DEBUG (" single sequence = %s",
+ (descriptor->single_sequence) ? "yes" : "no");
+ ret = TRUE;
+ } 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);
+ GST_DEBUG (" constant b frames = %s",
+ (descriptor->single_sequence) ? "yes" : "no");
+ ret = TRUE;
+ } 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;
+ } 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;
+ } 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;
+ } 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;
+ } 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;
+ } 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;
+ } 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;
+ } 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;
+ } else {
+ ret =
+ mxf_metadata_cdci_picture_essence_descriptor_handle_tag (d, primer, tag,
+ tag_data, tag_size);
}
- GST_DEBUG ("Parsed mpeg video descriptors:");
- GST_DEBUG (" single sequence = %s",
- (descriptor->single_sequence) ? "yes" : "no");
- GST_DEBUG (" constant b frames = %s",
- (descriptor->single_sequence) ? "yes" : "no");
- GST_DEBUG (" coded content type = %u", descriptor->coded_content_type);
- GST_DEBUG (" low delay = %s", (descriptor->low_delay) ? "yes" : "no");
- GST_DEBUG (" closed gop = %s", (descriptor->closed_gop) ? "yes" : "no");
- GST_DEBUG (" identical gop = %s",
- (descriptor->identical_gop) ? "yes" : "no");
- GST_DEBUG (" max gop = %u", descriptor->max_gop);
- GST_DEBUG (" b picture count = %u", descriptor->b_picture_count);
- GST_DEBUG (" bitrate = %u", descriptor->bitrate);
- GST_DEBUG (" profile & level = %u", descriptor->profile_and_level);
-
- return TRUE;
+ return ret;
error:
- GST_ERROR ("Invalid mpeg video descriptor");
- mxf_metadata_mpeg_video_descriptor_reset (descriptor);
+ GST_ERROR ("Invalid mpeg video descriptor tag 0x%04x of size %u", tag,
+ tag_size);
return FALSE;
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-12 09:37:22 +0000