From 1d0ae92a259b924952856de1a5ca0dc6fd5031e5 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 19 Dec 2011 16:30:30 +0100 Subject: [PATCH] eamad: pass & check errors Signed-off-by: Michael Niedermayer --- libavcodec/eamad.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/libavcodec/eamad.c b/libavcodec/eamad.c index cc6f9d38efc..40fdb37670e 100644 --- a/libavcodec/eamad.c +++ b/libavcodec/eamad.c @@ -119,7 +119,7 @@ static inline void idct_put(MadContext *t, DCTELEM *block, int mb_x, int mb_y, i } } -static inline void decode_block_intra(MadContext * t, DCTELEM * block) +static inline int decode_block_intra(MadContext * t, DCTELEM * block) { MpegEncContext *s = &t->s; int level, i, j, run; @@ -170,13 +170,14 @@ static inline void decode_block_intra(MadContext * t, DCTELEM * block) } if (i > 63) { av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y); - return; + return -1; } block[j] = level; } CLOSE_READER(re, &s->gb); } + return 0; } static int decode_motion(GetBitContext *gb) @@ -190,7 +191,7 @@ static int decode_motion(GetBitContext *gb) return value; } -static void decode_mb(MadContext *t, int inter) +static int decode_mb(MadContext *t, int inter) { MpegEncContext *s = &t->s; int mv_map = 0; @@ -215,10 +216,12 @@ static void decode_mb(MadContext *t, int inter) comp_block(t, s->mb_x, s->mb_y, j, mv_x, mv_y, add); } else { s->dsp.clear_block(t->block); - decode_block_intra(t, t->block); + if(decode_block_intra(t, t->block) < 0) + return -1; idct_put(t, t->block, s->mb_x, s->mb_y, j); } } + return 0; } static void calc_intra_matrix(MadContext *t, int qscale) @@ -296,7 +299,8 @@ static int 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++) - decode_mb(t, inter); + if(decode_mb(t, inter) < 0) + return -1; *data_size = sizeof(AVFrame); *(AVFrame*)data = t->frame; -- 2.39.2