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vqavideo: check malloc return values 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
This commit is contained in:
Paul B Mahol 2012-03-16 13:23:57 +00:00 committed by Ronald S. Bultje
parent d3958ab4ed
commit 341404f753
1 changed files with 19 additions and 8 deletions
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27
libavcodec/vqavideo.c
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@ -158,7 +158,18 @@ static av_cold int vqa_decode_init(AVCodecContext *avctx)
/* allocate codebooks */
s->codebook_size = MAX_CODEBOOK_SIZE;
s->codebook = av_malloc(s->codebook_size);
if (!s->codebook)
goto fail;
s->next_codebook_buffer = av_malloc(s->codebook_size);
if (!s->next_codebook_buffer)
goto fail;
/* allocate decode buffer */
s->decode_buffer_size = (s->width / s->vector_width) *
(s->height / s->vector_height) * 2;
s->decode_buffer = av_malloc(s->decode_buffer_size);
if (!s->decode_buffer)
goto fail;
/* initialize the solid-color vectors */
if (s->vector_height == 4) {
@ -174,14 +185,14 @@ static av_cold int vqa_decode_init(AVCodecContext *avctx)
}
s->next_codebook_buffer_index = 0;
/* allocate decode buffer */
s->decode_buffer_size = (s->width / s->vector_width) *
(s->height / s->vector_height) * 2;
s->decode_buffer = av_malloc(s->decode_buffer_size);
s->frame.data[0] = NULL;
return 0;
fail:
av_freep(&s->codebook);
av_freep(&s->next_codebook_buffer);
av_freep(&s->decode_buffer);
return AVERROR(ENOMEM);
}
#define CHECK_COUNT() \
@ -589,9 +600,9 @@ static av_cold int vqa_decode_end(AVCodecContext *avctx)
{
VqaContext *s = avctx->priv_data;
av_free(s->codebook);
av_free(s->next_codebook_buffer);
av_free(s->decode_buffer);
av_freep(&s->codebook);
av_freep(&s->next_codebook_buffer);
av_freep(&s->decode_buffer);
if (s->frame.data[0])
avctx->release_buffer(avctx, &s->frame);