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avcodec/wmaprodec: Check ff_mdct_init() for failure 

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-05-05 23:03:41 +02:00
parent 6fc4f28a11
commit a1b0148366
1 changed files with 8 additions and 5 deletions
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13
libavcodec/wmaprodec.c
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@ -318,7 +318,7 @@ static av_cold int decode_init(WMAProDecodeCtx *s, AVCodecContext *avctx, int nu
{
uint8_t *edata_ptr = avctx->extradata;
unsigned int channel_mask;
int i, bits;
int i, bits, ret;
int log2_max_num_subframes;
int num_possible_block_sizes;
@ -543,10 +543,13 @@ static av_cold int decode_init(WMAProDecodeCtx *s, AVCodecContext *avctx, int nu
return AVERROR(ENOMEM);
/** init MDCT, FIXME: only init needed sizes */
for (i = 0; i < WMAPRO_BLOCK_SIZES; i++)
ff_mdct_init(&s->mdct_ctx[i], WMAPRO_BLOCK_MIN_BITS+1+i, 1,
1.0 / (1 << (WMAPRO_BLOCK_MIN_BITS + i - 1))
/ (1ll << (s->bits_per_sample - 1)));
for (int i = 0; i < WMAPRO_BLOCK_SIZES; i++) {
ret = ff_mdct_init(&s->mdct_ctx[i], WMAPRO_BLOCK_MIN_BITS + 1 + i, 1,
1.0 / (1 << (WMAPRO_BLOCK_MIN_BITS + i - 1))
/ (1ll << (s->bits_per_sample - 1)));
if (ret < 0)
return ret;
}
/** init MDCT windows: simple sine window */
for (i = 0; i < WMAPRO_BLOCK_SIZES; i++) {