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atrac1: check for ff_mdct_init() failure

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This commit is contained in:
Justin Ruggles 2011-10-28 13:07:20 -04:00
parent 21dcecc310
commit 6dc7dd7af4
1 changed files with 22 additions and 15 deletions
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37
libavcodec/atrac1.c
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@ -326,9 +326,24 @@ static int atrac1_decode_frame(AVCodecContext *avctx, void *data,
}
static av_cold int atrac1_decode_end(AVCodecContext * avctx)
{
AT1Ctx *q = avctx->priv_data;
av_freep(&q->out_samples[0]);
ff_mdct_end(&q->mdct_ctx[0]);
ff_mdct_end(&q->mdct_ctx[1]);
ff_mdct_end(&q->mdct_ctx[2]);
return 0;
}
static av_cold int atrac1_decode_init(AVCodecContext *avctx)
{
AT1Ctx *q = avctx->priv_data;
int ret;
avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
@ -349,9 +364,13 @@ static av_cold int atrac1_decode_init(AVCodecContext *avctx)
}
/* Init the mdct transforms */
ff_mdct_init(&q->mdct_ctx[0], 6, 1, -1.0/ (1 << 15));
ff_mdct_init(&q->mdct_ctx[1], 8, 1, -1.0/ (1 << 15));
ff_mdct_init(&q->mdct_ctx[2], 9, 1, -1.0/ (1 << 15));
if ((ret = ff_mdct_init(&q->mdct_ctx[0], 6, 1, -1.0/ (1 << 15))) ||
(ret = ff_mdct_init(&q->mdct_ctx[1], 8, 1, -1.0/ (1 << 15))) ||
(ret = ff_mdct_init(&q->mdct_ctx[2], 9, 1, -1.0/ (1 << 15)))) {
av_log(avctx, AV_LOG_ERROR, "Error initializing MDCT\n");
atrac1_decode_end(avctx);
return ret;
}
ff_init_ff_sine_windows(5);
@ -374,18 +393,6 @@ static av_cold int atrac1_decode_init(AVCodecContext *avctx)
}
static av_cold int atrac1_decode_end(AVCodecContext * avctx) {
AT1Ctx *q = avctx->priv_data;
av_freep(&q->out_samples[0]);
ff_mdct_end(&q->mdct_ctx[0]);
ff_mdct_end(&q->mdct_ctx[1]);
ff_mdct_end(&q->mdct_ctx[2]);
return 0;
}
AVCodec ff_atrac1_decoder = {
.name = "atrac1",
.type = AVMEDIA_TYPE_AUDIO,