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avcodec/hevc: Fix handling of skipped_bytes() reallocation failures

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Fixes CID1260704

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-01-13 18:51:33 +01:00
parent 921706691a
commit e172f5e53a
1 changed files with 19 additions and 6 deletions
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25
libavcodec/hevc.c
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@ -2874,17 +2874,30 @@ static int decode_nal_units(HEVCContext *s, const uint8_t *buf, int length)
if (s->nals_allocated < s->nb_nals + 1) {
int new_size = s->nals_allocated + 1;
HEVCNAL *tmp = av_realloc_array(s->nals, new_size, sizeof(*tmp));
void *tmp = av_realloc_array(s->nals, new_size, sizeof(*s->nals));
ret = AVERROR(ENOMEM);
if (!tmp) {
ret = AVERROR(ENOMEM);
goto fail;
}
s->nals = tmp;
memset(s->nals + s->nals_allocated, 0,
(new_size - s->nals_allocated) * sizeof(*tmp));
av_reallocp_array(&s->skipped_bytes_nal, new_size, sizeof(*s->skipped_bytes_nal));
av_reallocp_array(&s->skipped_bytes_pos_size_nal, new_size, sizeof(*s->skipped_bytes_pos_size_nal));
av_reallocp_array(&s->skipped_bytes_pos_nal, new_size, sizeof(*s->skipped_bytes_pos_nal));
(new_size - s->nals_allocated) * sizeof(*s->nals));
tmp = av_realloc_array(s->skipped_bytes_nal, new_size, sizeof(*s->skipped_bytes_nal));
if (!tmp)
goto fail;
s->skipped_bytes_nal = tmp;
tmp = av_realloc_array(s->skipped_bytes_pos_size_nal, new_size, sizeof(*s->skipped_bytes_pos_size_nal));
if (!tmp)
goto fail;
s->skipped_bytes_pos_size_nal = tmp;
tmp = av_realloc_array(s->skipped_bytes_pos_nal, new_size, sizeof(*s->skipped_bytes_pos_nal));
if (!tmp)
goto fail;
s->skipped_bytes_pos_nal = tmp;
s->skipped_bytes_pos_size_nal[s->nals_allocated] = 1024; // initial buffer size
s->skipped_bytes_pos_nal[s->nals_allocated] = av_malloc_array(s->skipped_bytes_pos_size_nal[s->nals_allocated], sizeof(*s->skipped_bytes_pos));
s->nals_allocated = new_size;