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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-12-19 04:13:37 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-12-19 04:13:37 +0100 |
| commit | f85334f58e1286287d0547a49fa9c93b40cbf48f (patch) | |
| tree | 00bbbc69410d9603f5e061c3ac8316b2f2c0e8a3 | |
| parent | 608708009f69ba4cecebf05120c696167494c897 (diff) | |
| download | ffmpeg-f85334f58e1286287d0547a49fa9c93b40cbf48f.tar.gz | |
tqi: Fix passing errors from the MB decode. This silences some valgrind warnings.
Fixes second half of Ticket794
Bug found by: Oana Stratulat
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/eatqi.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/libavcodec/eatqi.c b/libavcodec/eatqi.c index a1ad8147dc..245c143c88 100644 --- a/libavcodec/eatqi.c +++ b/libavcodec/eatqi.c @@ -57,12 +57,15 @@ static av_cold int tqi_decode_init(AVCodecContext *avctx) return 0; } -static void tqi_decode_mb(MpegEncContext *s, DCTELEM (*block)[64]) +static int tqi_decode_mb(MpegEncContext *s, DCTELEM (*block)[64]) { int n; s->dsp.clear_blocks(block[0]); for (n=0; n<6; n++) - ff_mpeg1_decode_block_intra(s, block[n], n); + if(ff_mpeg1_decode_block_intra(s, block[n], n)<0) + return -1; + + return 0; } static inline void tqi_idct_put(TqiContext *t, DCTELEM (*block)[64]) @@ -134,7 +137,8 @@ static int tqi_decode_frame(AVCodecContext *avctx, for (s->mb_y=0; s->mb_y<(avctx->height+15)/16; s->mb_y++) for (s->mb_x=0; s->mb_x<(avctx->width+15)/16; s->mb_x++) { - tqi_decode_mb(s, t->block); + if(tqi_decode_mb(s, t->block) < 0) + break; tqi_idct_put(t, t->block); } |