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avcodec/cavsdec: print error messages in case of errors 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-05 03:53:39 +01:00
parent bc1b828536
commit be99054e77
1 changed files with 6 additions and 2 deletions
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8
libavcodec/cavsdec.c
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@ -565,8 +565,10 @@ static int decode_residual_block(AVSContext *h, GetBitContext *gb,
level_code = get_ue_code(gb, r->golomb_order);
if (level_code >= ESCAPE_CODE) {
run = ((level_code - ESCAPE_CODE) >> 1) + 1;
if(run > 64)
if(run > 64) {
av_log(h->avctx, AV_LOG_ERROR, "run %d is too large\n", run);
return AVERROR_INVALIDDATA;
}
esc_code = get_ue_code(gb, esc_golomb_order);
level = esc_code + (run > r->max_run ? 1 : r->level_add[run]);
while (level > r->inc_limit)
@ -892,8 +894,10 @@ static inline int decode_slice_header(AVSContext *h, GetBitContext *gb)
if (h->stc > 0xAF)
av_log(h->avctx, AV_LOG_ERROR, "unexpected start code 0x%02x\n", h->stc);
if (h->stc >= h->mb_height)
if (h->stc >= h->mb_height) {
av_log(h->avctx, AV_LOG_ERROR, "stc 0x%02x is too large\n", h->stc);
return AVERROR_INVALIDDATA;
}
h->mby = h->stc;
h->mbidx = h->mby * h->mb_width;