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RV30/RV40 demuxing (untested)

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Originally committed as revision 3809 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2005-01-06 00:54:03 +00:00
parent f6d5112387
commit 3f05305d73
2 changed files with 15 additions and 5 deletions
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5
libavcodec/avcodec.h
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@ -100,6 +100,9 @@ enum CodecID {
CODEC_ID_PGMYUV,
CODEC_ID_PAM,
CODEC_ID_FFVHUFF,
CODEC_ID_RV30,
CODEC_ID_RV40,
/* various pcm "codecs" */
CODEC_ID_PCM_S16LE= 0x10000,
@ -1884,6 +1887,8 @@ extern AVCodec h263i_decoder;
extern AVCodec flv_decoder;
extern AVCodec rv10_decoder;
extern AVCodec rv20_decoder;
extern AVCodec rv30_decoder;
extern AVCodec rv40_decoder;
extern AVCodec svq1_decoder;
extern AVCodec svq3_decoder;
extern AVCodec dvvideo_decoder;

15
libavformat/rm.c
View File

@ -652,7 +652,9 @@ static int rm_read_header(AVFormatContext *s, AVFormatParameters *ap)
st->codec.codec_tag = get_le32(pb);
// av_log(NULL, AV_LOG_DEBUG, "%X %X\n", st->codec.codec_tag, MKTAG('R', 'V', '2', '0'));
if ( st->codec.codec_tag != MKTAG('R', 'V', '1', '0')
&& st->codec.codec_tag != MKTAG('R', 'V', '2', '0'))
&& st->codec.codec_tag != MKTAG('R', 'V', '2', '0')
&& st->codec.codec_tag != MKTAG('R', 'V', '3', '0')
&& st->codec.codec_tag != MKTAG('R', 'V', '4', '0'))
goto fail1;
st->codec.width = get_be16(pb);
st->codec.height = get_be16(pb);
@ -676,10 +678,13 @@ static int rm_read_header(AVFormatContext *s, AVFormatParameters *ap)
h263_hack_version = bswap_32(((uint32_t*)st->codec.extradata)[1]);
#endif
st->codec.sub_id = h263_hack_version;
if((h263_hack_version>>28)==1)
st->codec.codec_id = CODEC_ID_RV10;
else
st->codec.codec_id = CODEC_ID_RV20;
switch((h263_hack_version>>28)){
case 1: st->codec.codec_id = CODEC_ID_RV10; break;
case 2: st->codec.codec_id = CODEC_ID_RV20; break;
case 3: st->codec.codec_id = CODEC_ID_RV30; break;
case 4: st->codec.codec_id = CODEC_ID_RV40; break;
default: goto fail1;
}
}
skip:
/* skip codec info */