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Code Issues Releases Activity

psymodel: Check memory allocation

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This commit is contained in:
Vittorio Giovara 2015-05-31 14:54:55 +02:00 committed by Luca Barbato
parent fef2f4722b
commit 03927cb733
1 changed files with 12 additions and 0 deletions
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12
libavcodec/psymodel.c
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@ -39,6 +39,12 @@ av_cold int ff_psy_init(FFPsyContext *ctx, AVCodecContext *avctx, int num_lens,
ctx->group = av_mallocz(sizeof(ctx->group[0]) * num_groups);
ctx->bands = av_malloc (sizeof(ctx->bands[0]) * num_lens);
ctx->num_bands = av_malloc (sizeof(ctx->num_bands[0]) * num_lens);
if (!ctx->ch || !ctx->group || !ctx->bands || !ctx->num_bands) {
ff_psy_end(ctx);
return AVERROR(ENOMEM);
}
memcpy(ctx->bands, bands, sizeof(ctx->bands[0]) * num_lens);
memcpy(ctx->num_bands, num_bands, sizeof(ctx->num_bands[0]) * num_lens);
@ -98,6 +104,8 @@ av_cold struct FFPsyPreprocessContext* ff_psy_preprocess_init(AVCodecContext *av
int i;
float cutoff_coeff = 0;
ctx = av_mallocz(sizeof(FFPsyPreprocessContext));
if (!ctx)
return NULL;
ctx->avctx = avctx;
if (avctx->cutoff > 0)
@ -109,6 +117,10 @@ av_cold struct FFPsyPreprocessContext* ff_psy_preprocess_init(AVCodecContext *av
cutoff_coeff, 0.0, 0.0);
if (ctx->fcoeffs) {
ctx->fstate = av_mallocz(sizeof(ctx->fstate[0]) * avctx->channels);
if (!ctx->fstate) {
av_free(ctx);
return NULL;
}
for (i = 0; i < avctx->channels; i++)
ctx->fstate[i] = ff_iir_filter_init_state(FILT_ORDER);
}