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Fix extreme stupidity: buffer size check must of course be before buffer use!

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Originally committed as revision 10443 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2007-09-09 09:00:12 +00:00
parent 048905a484
commit 6cf7e81f8c
1 changed files with 2 additions and 2 deletions
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4
libavcodec/nuv.c
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@ -156,12 +156,12 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
buf_size = c->decomp_size; buf_size = c->decomp_size;
} }
if (c->codec_frameheader) { if (c->codec_frameheader) {
get_quant_quality(c, buf[10]);
rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height, c->lq, c->cq);
if (buf_size < 12) { if (buf_size < 12) {
av_log(avctx, AV_LOG_ERROR, "invalid nuv video frame\n"); av_log(avctx, AV_LOG_ERROR, "invalid nuv video frame\n");
return -1; return -1;
} }
get_quant_quality(c, buf[10]);
rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height, c->lq, c->cq);
buf = &buf[12]; buf = &buf[12];
buf_size -= 12; buf_size -= 12;
} }