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matroskaenc: implement query_codec()

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This commit is contained in:
Anton Khirnov 2011-08-11 20:35:46 +02:00
parent 48f9e457ea
commit 15c14ce6b2
1 changed files with 17 additions and 0 deletions
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17
libavformat/matroskaenc.c
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@ -1191,6 +1191,22 @@ static int mkv_write_trailer(AVFormatContext *s)
return 0;
}
static int mkv_query_codec(enum CodecID codec_id, int std_compliance)
{
int i;
for (i = 0; ff_mkv_codec_tags[i].id != CODEC_ID_NONE; i++)
if (ff_mkv_codec_tags[i].id == codec_id)
return 1;
if (std_compliance < FF_COMPLIANCE_NORMAL) { // mkv theoretically supports any
enum AVMediaType type = avcodec_get_type(codec_id); // video/audio through VFW/ACM
if (type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO)
return 1;
}
return 0;
}
#if CONFIG_MATROSKA_MUXER
AVOutputFormat ff_matroska_muxer = {
.name = "matroska",
@ -1206,6 +1222,7 @@ AVOutputFormat ff_matroska_muxer = {
.flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
.codec_tag = (const AVCodecTag* const []){ff_codec_bmp_tags, ff_codec_wav_tags, 0},
.subtitle_codec = CODEC_ID_SSA,
.query_codec = mkv_query_codec,
};
#endif