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matroska: expand useless define for MS compat codec id strings

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Originally committed as revision 14607 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2008-08-05 00:42:49 +00:00
parent 20fb02c5b9
commit cc8be50637
3 changed files with 4 additions and 7 deletions
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3
libavformat/matroska.h
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@ -203,9 +203,6 @@ typedef struct CodecMime{
enum CodecID id;
}CodecMime;
#define MATROSKA_CODEC_ID_VIDEO_VFW_FOURCC "V_MS/VFW/FOURCC"
#define MATROSKA_CODEC_ID_AUDIO_ACM "A_MS/ACM"
/* max. depth in the EBML tree structure */
#define EBML_MAX_DEPTH 16

4
libavformat/matroskadec.c
View File

@ -1138,12 +1138,12 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
if (st == NULL)
return AVERROR(ENOMEM);
if (!strcmp(track->codec_id, MATROSKA_CODEC_ID_VIDEO_VFW_FOURCC)
if (!strcmp(track->codec_id, "V_MS/VFW/FOURCC")
&& track->codec_priv.size >= 40
&& track->codec_priv.data != NULL) {
track->video.fourcc = AV_RL32(track->codec_priv.data + 16);
codec_id = codec_get_id(codec_bmp_tags, track->video.fourcc);
} else if (!strcmp(track->codec_id, MATROSKA_CODEC_ID_AUDIO_ACM)
} else if (!strcmp(track->codec_id, "A_MS/ACM")
&& track->codec_priv.size >= 18
&& track->codec_priv.data != NULL) {
uint16_t tag = AV_RL16(track->codec_priv.data);

4
libavformat/matroskaenc.c
View File

@ -587,7 +587,7 @@ static int mkv_write_tracks(AVFormatContext *s)
put_ebml_string(pb, MATROSKA_ID_CODECID, "V_QUICKTIME");
else if (!native_id)
// if there is no mkv-specific codec ID, use VFW mode
put_ebml_string(pb, MATROSKA_ID_CODECID, MATROSKA_CODEC_ID_VIDEO_VFW_FOURCC);
put_ebml_string(pb, MATROSKA_ID_CODECID, "V_MS/VFW/FOURCC");
subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKVIDEO, 0);
// XXX: interlace flag?
@ -607,7 +607,7 @@ static int mkv_write_tracks(AVFormatContext *s)
if (!native_id)
// no mkv-specific ID, use ACM mode
put_ebml_string(pb, MATROSKA_ID_CODECID, MATROSKA_CODEC_ID_AUDIO_ACM);
put_ebml_string(pb, MATROSKA_ID_CODECID, "A_MS/ACM");
subinfo = start_ebml_master(pb, MATROSKA_ID_TRACKAUDIO, 0);
put_ebml_uint (pb, MATROSKA_ID_AUDIOCHANNELS , codec->channels);