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hacks to support Xan AVI files 

Originally committed as revision 2220 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mike Melanson 2003-09-08 04:17:40 +00:00
parent 048446bfeb
commit 9e8cd0db54
2 changed files with 8 additions and 0 deletions
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7
libavformat/avidec.c
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@ -88,6 +88,7 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
unsigned int size, nb_frames;
int i, n;
AVStream *st;
int xan_video = 0; /* hack to support Xan A/V */
if (get_riff(avi, pb) < 0)
return -1;
@ -274,12 +275,18 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
st->codec.codec_type = CODEC_TYPE_VIDEO;
st->codec.codec_tag = tag1;
st->codec.codec_id = codec_get_id(codec_bmp_tags, tag1);
if (st->codec.codec_id == CODEC_ID_XAN_WC4)
xan_video = 1;
// url_fskip(pb, size - 5 * 4);
break;
case CODEC_TYPE_AUDIO:
get_wav_header(pb, &st->codec, size);
if (size%2) /* 2-aligned (fix for Stargate SG-1 - 3x18 - Shades of Grey.avi) */
url_fskip(pb, 1);
/* special case time: To support Xan DPCM, hardcode
* the format if Xxan is the video codec */
if (xan_video)
st->codec.codec_id = CODEC_ID_XAN_DPCM;
break;
default:
url_fskip(pb, size);

1
libavformat/avienc.c
View File

@ -143,6 +143,7 @@ const CodecTag codec_bmp_tags[] = {
{ CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
{ CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
{ CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
{ CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
{ 0, 0 },
};