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apedec: check for filter buffer allocation failure

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This commit is contained in:
Justin Ruggles 2011-10-11 11:47:15 -04:00
parent b9d6b02713
commit 7500781313
1 changed files with 18 additions and 13 deletions
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31
libavcodec/apedec.c
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@ -163,6 +163,18 @@ typedef struct APEContext {
// TODO: dsputilize
static av_cold int ape_decode_close(AVCodecContext * avctx)
{
APEContext *s = avctx->priv_data;
int i;
for (i = 0; i < APE_FILTER_LEVELS; i++)
av_freep(&s->filterbuf[i]);
av_freep(&s->data);
return 0;
}
static av_cold int ape_decode_init(AVCodecContext * avctx)
{
APEContext *s = avctx->priv_data;
@ -195,25 +207,18 @@ static av_cold int ape_decode_init(AVCodecContext * avctx)
for (i = 0; i < APE_FILTER_LEVELS; i++) {
if (!ape_filter_orders[s->fset][i])
break;
s->filterbuf[i] = av_malloc((ape_filter_orders[s->fset][i] * 3 + HISTORY_SIZE) * 4);
FF_ALLOC_OR_GOTO(avctx, s->filterbuf[i],
(ape_filter_orders[s->fset][i] * 3 + HISTORY_SIZE) * 4,
filter_alloc_fail);
}
dsputil_init(&s->dsp, avctx);
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
avctx->channel_layout = (avctx->channels==2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
return 0;
}
static av_cold int ape_decode_close(AVCodecContext * avctx)
{
APEContext *s = avctx->priv_data;
int i;
for (i = 0; i < APE_FILTER_LEVELS; i++)
av_freep(&s->filterbuf[i]);
av_freep(&s->data);
return 0;
filter_alloc_fail:
ape_decode_close(avctx);
return AVERROR(ENOMEM);
}
/**