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be smarter about the variable size of the extra SVQ3 data

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Originally committed as revision 2881 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mike Melanson 2004-03-13 21:26:54 +00:00
parent 36d9b4e80b
commit ebcd2f9689
1 changed files with 5 additions and 1 deletions
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6
libavcodec/svq3.c
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@ -767,6 +767,7 @@ static int svq3_decode_frame (AVCodecContext *avctx,
H264Context *const h = avctx->priv_data;
int m, mb_type;
unsigned char *extradata;
unsigned int size;
*data_size = 0;
@ -799,12 +800,15 @@ static int svq3_decode_frame (AVCodecContext *avctx,
extradata++;
}
size = (extradata[4] << 24) | (extradata[5] << 16) |
(extradata[6] << 8) | extradata[7];
/* if a match was found, parse the extra data */
if (!memcmp (extradata, "SEQH", 4)) {
GetBitContext gb;
init_get_bits (&gb, extradata + 0x8, 8*8);
init_get_bits (&gb, extradata + 8, size);
/* 'frame size code' and optional 'width, height' */
if (get_bits (&gb, 3) == 7) {