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Add known BMP header sizes.

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Now 11B*.bmp from samples repository can be decoded.

Originally committed as revision 15922 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2008-11-24 10:53:13 +00:00
parent 4deaa94639
commit 4a14e66605
1 changed files with 9 additions and 3 deletions
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12
libavcodec/bmp.c
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@ -85,13 +85,19 @@ static int bmp_decode_frame(AVCodecContext *avctx,
return -1;
}
if (ihsize == 40) {
switch(ihsize){
case 40: // windib v3
case 64: // OS/2 v2
case 108: // windib v4
case 124: // windib v5
width = bytestream_get_le32(&buf);
height = bytestream_get_le32(&buf);
} else if (ihsize == 12) {
break;
case 12: // OS/2 v1
width = bytestream_get_le16(&buf);
height = bytestream_get_le16(&buf);
} else {
break;
default:
av_log(avctx, AV_LOG_ERROR, "unsupported BMP file, patch welcome\n");
return -1;
}