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jvdec: remove redundant check 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-07-03 11:38:19 +00:00
parent 1bc9e4c5b2
commit f8a81755c2
1 changed files with 2 additions and 2 deletions
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4
libavcodec/jvdec.c
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@ -142,7 +142,7 @@ static int decode_frame(AVCodecContext *avctx,
buf += 5;
if (video_size) {
if (video_size < 0 || video_size > avpkt->size) {
if (video_size < 0 || video_size > avpkt->size - 5) {
av_log(avctx, AV_LOG_ERROR, "video size %d invalid\n", video_size);
return AVERROR_INVALIDDATA;
}
@ -153,7 +153,7 @@ static int decode_frame(AVCodecContext *avctx,
if (video_type == 0 || video_type == 1) {
GetBitContext gb;
init_get_bits(&gb, buf, 8 * FFMIN(video_size, buf_end - buf));
init_get_bits(&gb, buf, 8 * video_size);
for (j = 0; j < avctx->height; j += 8)
for (i = 0; i < avctx->width; i += 8)