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authorMichael Niedermayer <michaelni@gmx.at>2011-12-19 04:13:37 +0100
committerReinhard Tartler <siretart@tauware.de>2012-05-23 20:42:46 +0200
commit90290a5150e84fb138ccde57657dc03830f08c1c (patch)
tree24a8c859520bd44fa53a13de0f1da0a0811c6dc9 /libavcodec/eatqi.c
parent3f9d6e423978f5e905def374e9c2e9166e3ebb2c (diff)
downloadffmpeg-90290a5150e84fb138ccde57657dc03830f08c1c.tar.gz
tqi: Pass errors from the MB decoder
This silences some valgrind warnings. CC: libav-stable@libav.org Fixes second half of http://ffmpeg.org/trac/ffmpeg/ticket/794 Bug found by: Oana Stratulat Signed-off-by: Michael Niedermayer <michaelni@gmx.at> Signed-off-by: Reinhard Tartler <siretart@tauware.de> (cherry picked from commit f85334f58e1286287d0547a49fa9c93b40cbf48f)
Diffstat (limited to 'libavcodec/eatqi.c')
-rw-r--r--libavcodec/eatqi.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/libavcodec/eatqi.c b/libavcodec/eatqi.c
index 2d7da5a603..9824940d97 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])
@@ -135,7 +138,8 @@ 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);
}