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gst/mxf/: Coding style fixes.
Original commit message from CVS: * gst/mxf/mxfdemux.c: (gst_mxf_demux_handle_header_metadata_resolve_references): * gst/mxf/mxfdv-dif.c: (mxf_dv_dif_create_caps): * gst/mxf/mxfjpeg2000.c: (mxf_jpeg2000_create_caps): Coding style fixes. * gst/mxf/mxfmpeg.c: (mxf_mpeg_audio_handle_essence_element), (mxf_mpeg_es_create_caps), (mxf_mpeg_create_caps): Add support for MPEG, AC3, DTS audio.
This commit is contained in:
Sebastian Dröge
parent
462980ec57
commit
b52069748f
2 changed files with 164 additions and 65 deletions
12
ChangeLog
12
ChangeLog
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@ -1,3 +1,15 @@
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2008-12-04 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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* gst/mxf/mxfdemux.c:
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(gst_mxf_demux_handle_header_metadata_resolve_references):
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* gst/mxf/mxfdv-dif.c: (mxf_dv_dif_create_caps):
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* gst/mxf/mxfjpeg2000.c: (mxf_jpeg2000_create_caps):
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Coding style fixes.
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* gst/mxf/mxfmpeg.c: (mxf_mpeg_audio_handle_essence_element),
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(mxf_mpeg_es_create_caps), (mxf_mpeg_create_caps):
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Add support for MPEG, AC3, DTS audio.
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2008-12-04 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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* gst/mxf/mxfdemux.c:
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@ -237,6 +237,24 @@ mxf_mpeg_video_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
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return GST_FLOW_OK;
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}
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static GstFlowReturn
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mxf_mpeg_audio_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
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GstCaps * caps, MXFMetadataGenericPackage * package,
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MXFMetadataTrack * track, MXFMetadataStructuralComponent * component,
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gpointer mapping_data, GstBuffer ** outbuf)
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{
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*outbuf = buffer;
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/* SMPTE 381M 6.2 */
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if (key->u[12] != 0x16 || (key->u[14] != 0x05 && key->u[14] != 0x06
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&& key->u[14] != 0x07)) {
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GST_ERROR ("Invalid MPEG audio essence element");
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return GST_FLOW_ERROR;
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}
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return GST_FLOW_OK;
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}
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/* Private uid used by SONY C0023S01.mxf,
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* taken from the ffmpeg mxf demuxer */
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static const guint8 sony_mpeg4_extradata[] = {
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@ -244,75 +262,152 @@ static const guint8 sony_mpeg4_extradata[] = {
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0x01, 0x00, 0x00
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};
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/* RP224 */
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static const MXFUL sound_essence_compression_ac3 = { {
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0x06, 0x0E, 0x2B, 0x34, 0x04, 0x01, 0x01, 0x01, 0x04, 0x02, 0x02, 0x02,
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0x03, 0x02, 0x01, 0x00}
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};
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static const MXFUL sound_essence_compression_mpeg1_layer1 = { {
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0x06, 0x0E, 0x2B, 0x34, 0x04, 0x01, 0x01, 0x01, 0x04, 0x02, 0x02, 0x02,
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0x03, 0x02, 0x04, 0x00}
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};
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static const MXFUL sound_essence_compression_mpeg1_layer12 = { {
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0x06, 0x0E, 0x2B, 0x34, 0x04, 0x01, 0x01, 0x01, 0x04, 0x02, 0x02, 0x02,
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0x03, 0x02, 0x05, 0x00}
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};
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static const MXFUL sound_essence_compression_mpeg1_layer2 = { {
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0x06, 0x0E, 0x2B, 0x34, 0x04, 0x01, 0x01, 0x08, 0x04, 0x02, 0x02, 0x02,
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0x03, 0x02, 0x05, 0x01}
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};
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static const MXFUL sound_essence_compression_mpeg2_layer1 = { {
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0x06, 0x0E, 0x2B, 0x34, 0x04, 0x01, 0x01, 0x08, 0x04, 0x02, 0x02, 0x02,
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0x03, 0x02, 0x06, 0x00}
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};
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static const MXFUL sound_essence_compression_dts = { {
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0x06, 0x0E, 0x2B, 0x34, 0x04, 0x01, 0x01, 0x08, 0x04, 0x02, 0x02, 0x02,
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0x03, 0x02, 0x1c, 0x00}
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};
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static GstCaps *
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mxf_mpeg_es_create_caps (MXFMetadataGenericPackage * package,
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MXFMetadataTrack * track, GstTagList ** tags,
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MXFEssenceElementHandler * handler, gpointer * mapping_data,
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MXFMetadataFileDescriptor * f,
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MXFMetadataGenericPictureEssenceDescriptor * p,
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MXFMetadataGenericSoundEssenceDescriptor * s,
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MXFMetadataMPEGVideoDescriptor * d)
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MXFMetadataGenericSoundEssenceDescriptor * s)
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{
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GstCaps *caps = NULL;
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const gchar *codec_name = NULL;
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/* SMPTE RP224 */
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if (!p || mxf_ul_is_zero (&p->picture_essence_coding)) {
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GST_WARNING
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("No picture essence descriptor or no picture essence coding defined");
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caps =
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gst_caps_new_simple ("video/mpeg", "mpegversion", G_TYPE_INT, 2,
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"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
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codec_name = "MPEG-2 Video";
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} else if (p->picture_essence_coding.u[0] != 0x06
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|| p->picture_essence_coding.u[1] != 0x0e
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|| p->picture_essence_coding.u[2] != 0x2b
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|| p->picture_essence_coding.u[3] != 0x34
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|| p->picture_essence_coding.u[4] != 0x04
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|| p->picture_essence_coding.u[5] != 0x01
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|| p->picture_essence_coding.u[6] != 0x01
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|| p->picture_essence_coding.u[8] != 0x04
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|| p->picture_essence_coding.u[9] != 0x01
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|| p->picture_essence_coding.u[10] != 0x02
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|| p->picture_essence_coding.u[11] != 0x02
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|| p->picture_essence_coding.u[12] != 0x01) {
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GST_ERROR ("No MPEG picture essence coding");
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caps = NULL;
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} else if (p->picture_essence_coding.u[13] >= 0x01 &&
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p->picture_essence_coding.u[13] <= 0x08) {
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caps = gst_caps_new_simple ("video/mpeg", "mpegversion", G_TYPE_INT, 2,
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"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
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codec_name = "MPEG-2 Video";
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} else if (p->picture_essence_coding.u[13] == 0x10) {
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caps = gst_caps_new_simple ("video/mpeg", "mpegversion", G_TYPE_INT, 1,
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"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
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codec_name = "MPEG-1 Video";
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} else if (p->picture_essence_coding.u[13] == 0x20) {
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MXFLocalTag *local_tag =
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(((MXFMetadataGenericDescriptor *) f)->other_tags) ?
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g_hash_table_lookup (((MXFMetadataGenericDescriptor *)
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f)->other_tags, &sony_mpeg4_extradata) : NULL;
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if (p) {
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if (mxf_ul_is_zero (&p->picture_essence_coding)) {
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GST_WARNING ("No picture essence coding defined, assuming MPEG2");
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caps =
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gst_caps_new_simple ("video/mpeg", "mpegversion", G_TYPE_INT, 2,
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"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
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codec_name = "MPEG-2 Video";
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} else if (p->picture_essence_coding.u[0] != 0x06
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|| p->picture_essence_coding.u[1] != 0x0e
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|| p->picture_essence_coding.u[2] != 0x2b
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|| p->picture_essence_coding.u[3] != 0x34
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|| p->picture_essence_coding.u[4] != 0x04
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|| p->picture_essence_coding.u[5] != 0x01
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|| p->picture_essence_coding.u[6] != 0x01
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|| p->picture_essence_coding.u[8] != 0x04
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|| p->picture_essence_coding.u[9] != 0x01
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|| p->picture_essence_coding.u[10] != 0x02
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|| p->picture_essence_coding.u[11] != 0x02
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|| p->picture_essence_coding.u[12] != 0x01) {
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GST_ERROR ("No MPEG picture essence coding");
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caps = NULL;
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} else if (p->picture_essence_coding.u[13] >= 0x01 &&
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p->picture_essence_coding.u[13] <= 0x08) {
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caps = gst_caps_new_simple ("video/mpeg", "mpegversion", G_TYPE_INT, 2,
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"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
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codec_name = "MPEG-2 Video";
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} else if (p->picture_essence_coding.u[13] == 0x10) {
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caps = gst_caps_new_simple ("video/mpeg", "mpegversion", G_TYPE_INT, 1,
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"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
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codec_name = "MPEG-1 Video";
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} else if (p->picture_essence_coding.u[13] == 0x20) {
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MXFLocalTag *local_tag =
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(((MXFMetadataGenericDescriptor *) p)->other_tags) ?
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g_hash_table_lookup (((MXFMetadataGenericDescriptor *)
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p)->other_tags, &sony_mpeg4_extradata) : NULL;
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caps = gst_caps_new_simple ("video/mpeg", "mpegversion", G_TYPE_INT, 4,
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"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
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caps = gst_caps_new_simple ("video/mpeg", "mpegversion", G_TYPE_INT, 4,
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"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
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if (local_tag) {
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GstBuffer *codec_data = NULL;
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codec_data = gst_buffer_new_and_alloc (local_tag->size);
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memcpy (GST_BUFFER_DATA (codec_data), local_tag->data, local_tag->size);
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gst_caps_set_simple (caps, "codec_data", GST_TYPE_BUFFER, codec_data,
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NULL);
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gst_buffer_unref (codec_data);
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if (local_tag) {
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GstBuffer *codec_data = NULL;
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codec_data = gst_buffer_new_and_alloc (local_tag->size);
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memcpy (GST_BUFFER_DATA (codec_data), local_tag->data, local_tag->size);
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gst_caps_set_simple (caps, "codec_data", GST_TYPE_BUFFER, codec_data,
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NULL);
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gst_buffer_unref (codec_data);
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}
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codec_name = "MPEG-4 Video";
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} else {
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GST_ERROR ("Unsupported MPEG picture essence coding 0x%02x",
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p->picture_essence_coding.u[13]);
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caps = NULL;
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}
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if (caps)
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*handler = mxf_mpeg_video_handle_essence_element;
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} else if (s) {
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if (mxf_ul_is_zero (&s->sound_essence_compression)) {
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GST_WARNING ("Zero sound essence compression, assuming MPEG1 audio");
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caps =
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gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT, 1,
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NULL);
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} else if (mxf_ul_is_equal (&s->sound_essence_compression,
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&sound_essence_compression_ac3)) {
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caps = gst_caps_new_simple ("audio/ac3", NULL);
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} else if (mxf_ul_is_equal (&s->sound_essence_compression,
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&sound_essence_compression_mpeg1_layer1)) {
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caps =
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gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT, 1,
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"layer", G_TYPE_INT, 1, NULL);
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} else if (mxf_ul_is_equal (&s->sound_essence_compression,
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&sound_essence_compression_mpeg1_layer12)) {
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caps =
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gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT, 1,
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NULL);
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} else if (mxf_ul_is_equal (&s->sound_essence_compression,
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&sound_essence_compression_mpeg1_layer2)) {
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caps =
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gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT, 1,
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"layer", G_TYPE_INT, 2, NULL);
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} else if (mxf_ul_is_equal (&s->sound_essence_compression,
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&sound_essence_compression_mpeg2_layer1)) {
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caps =
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gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT, 1,
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"layer", G_TYPE_INT, 1, "mpegaudioversion", G_TYPE_INT, 2, NULL);
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} else if (mxf_ul_is_equal (&s->sound_essence_compression,
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&sound_essence_compression_dts)) {
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caps = gst_caps_new_simple ("audio/x-dts", NULL);
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}
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if (caps) {
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if (s->audio_sampling_rate.n != 0 && s->audio_sampling_rate.d != 0)
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gst_caps_set_simple (caps, "rate", G_TYPE_INT,
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(gint) (((gdouble) s->audio_sampling_rate.n) /
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((gdouble) s->audio_sampling_rate.d) + 0.5), NULL);
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if (s->channel_count != 0)
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gst_caps_set_simple (caps, "channels", G_TYPE_INT, s->channel_count,
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NULL);
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*handler = mxf_mpeg_audio_handle_essence_element;
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}
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codec_name = "MPEG-4 Video";
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} else {
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GST_ERROR ("Unsupported MPEG picture essence coding 0x%02x",
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p->picture_essence_coding.u[13]);
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caps = NULL;
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}
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if (caps) {
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*handler = mxf_mpeg_video_handle_essence_element;
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if (!*tags)
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*tags = gst_tag_list_new ();
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if (codec_name)
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@ -328,7 +423,6 @@ mxf_mpeg_create_caps (MXFMetadataGenericPackage * package,
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MXFMetadataTrack * track, GstTagList ** tags,
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MXFEssenceElementHandler * handler, gpointer * mapping_data)
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{
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MXFMetadataMPEGVideoDescriptor *d = NULL;
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MXFMetadataFileDescriptor *f = NULL;
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MXFMetadataGenericPictureEssenceDescriptor *p = NULL;
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MXFMetadataGenericSoundEssenceDescriptor *s = NULL;
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@ -345,12 +439,8 @@ mxf_mpeg_create_caps (MXFMetadataGenericPackage * package,
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for (i = 0; i < track->n_descriptor; i++) {
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if (((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
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MXF_METADATA_MPEG_VIDEO_DESCRIPTOR) {
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d = (MXFMetadataMPEGVideoDescriptor *) track->descriptor[i];
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f = track->descriptor[i];
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p = (MXFMetadataGenericPictureEssenceDescriptor *) track->descriptor[i];
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break;
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} else if (((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
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MXF_METADATA_MPEG_VIDEO_DESCRIPTOR ||
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((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
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MXF_METADATA_CDCI_PICTURE_ESSENCE_DESCRIPTOR ||
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((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
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MXF_METADATA_GENERIC_PICTURE_ESSENCE_DESCRIPTOR) {
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@ -362,9 +452,6 @@ mxf_mpeg_create_caps (MXFMetadataGenericPackage * package,
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f = track->descriptor[i];
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s = (MXFMetadataGenericSoundEssenceDescriptor *) track->descriptor[i];
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break;
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} else if (((MXFMetadataGenericDescriptor *) track->descriptor[i])->type ==
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MXF_METADATA_FILE_DESCRIPTOR) {
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f = track->descriptor[i];
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}
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}
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@ -378,8 +465,8 @@ mxf_mpeg_create_caps (MXFMetadataGenericPackage * package,
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GST_DEBUG ("Found MPEG ES stream");
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caps =
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mxf_mpeg_es_create_caps (package, track, tags, handler, mapping_data, f,
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p, s, d);
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mxf_mpeg_es_create_caps (package, track, tags, handler, mapping_data, p,
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s);
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} else if (f->essence_container.u[13] == 0x07) {
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GST_ERROR ("MPEG PES streams not supported yet");
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return NULL;
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