RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-03-30 15:18:36 +00:00
Code Issues Projects Releases Wiki Activity

avcodec/imc: only check remaining bits in case bits will be read

Browse Source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-04 18:17:17 +01:00
parent 291747581e
commit cbf09545f2
1 changed files with 7 additions and 6 deletions

13
libavcodec/imc.c
View File

@ -803,14 +803,15 @@ static void imc_get_coeffs(AVCodecContext *avctx,
cw_len = chctx->CWlengthT[j]; cw_len = chctx->CWlengthT[j];
cw = 0; cw = 0;
if (get_bits_count(&q->gb) + cw_len > 512) { if (cw_len && (!chctx->bandFlagsBuf[i] || !chctx->skipFlags[j])) {
av_log(avctx, AV_LOG_WARNING, if (get_bits_count(&q->gb) + cw_len > 512) {
"Potential problem on band %i, coefficient %i" av_log(avctx, AV_LOG_WARNING,
": cw_len=%i\n", i, j, cw_len); "Potential problem on band %i, coefficient %i"
} ": cw_len=%i\n", i, j, cw_len);
}
if (cw_len && (!chctx->bandFlagsBuf[i] || !chctx->skipFlags[j]))
cw = get_bits(&q->gb, cw_len); cw = get_bits(&q->gb, cw_len);
}
chctx->codewords[j] = cw; chctx->codewords[j] = cw;
} }