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authorJustin Ruggles <justin.ruggles@gmail.com>2012-12-23 17:05:40 -0500
committerJustin Ruggles <justin.ruggles@gmail.com>2013-02-12 12:21:21 -0500
commit5932e2d7d2c0b2d6a3a6184e964e923fb7a9d076 (patch)
tree40e2963ca250222f87dfe63c8ae0a00823c6b4c7 /libavcodec/apedec.c
parentda28bb3f4a7c650de7e2b767c69a64433c347fe7 (diff)
ape: decode directly to the user-provided AVFrame
Diffstat (limited to 'libavcodec/apedec.c')
-rw-r--r--libavcodec/apedec.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c
index 61eecfe273..f3635836d0 100644
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -129,7 +129,6 @@ typedef struct APEPredictor {
typedef struct APEContext {
AVClass *class; ///< class for AVOptions
AVCodecContext *avctx;
- AVFrame frame;
DSPContext dsp;
int channels;
int samples; ///< samples left to decode in current frame
@@ -235,9 +234,6 @@ static av_cold int ape_decode_init(AVCodecContext *avctx)
ff_dsputil_init(&s->dsp, avctx);
avctx->channel_layout = (avctx->channels==2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
- avcodec_get_frame_defaults(&s->frame);
- avctx->coded_frame = &s->frame;
-
return 0;
filter_alloc_fail:
ape_decode_close(avctx);
@@ -826,6 +822,7 @@ static void ape_unpack_stereo(APEContext *ctx, int count)
static int ape_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
+ AVFrame *frame = data;
const uint8_t *buf = avpkt->data;
APEContext *s = avctx->priv_data;
uint8_t *sample8;
@@ -909,8 +906,8 @@ static int ape_decode_frame(AVCodecContext *avctx, void *data,
s->decoded[1] = s->decoded_buffer + FFALIGN(blockstodecode, 8);
/* get output buffer */
- s->frame.nb_samples = blockstodecode;
- if ((ret = ff_get_buffer(avctx, &s->frame)) < 0) {
+ frame->nb_samples = blockstodecode;
+ if ((ret = ff_get_buffer(avctx, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
@@ -932,21 +929,21 @@ static int ape_decode_frame(AVCodecContext *avctx, void *data,
switch (s->bps) {
case 8:
for (ch = 0; ch < s->channels; ch++) {
- sample8 = (uint8_t *)s->frame.data[ch];
+ sample8 = (uint8_t *)frame->data[ch];
for (i = 0; i < blockstodecode; i++)
*sample8++ = (s->decoded[ch][i] + 0x80) & 0xff;
}
break;
case 16:
for (ch = 0; ch < s->channels; ch++) {
- sample16 = (int16_t *)s->frame.data[ch];
+ sample16 = (int16_t *)frame->data[ch];
for (i = 0; i < blockstodecode; i++)
*sample16++ = s->decoded[ch][i];
}
break;
case 24:
for (ch = 0; ch < s->channels; ch++) {
- sample24 = (int32_t *)s->frame.data[ch];
+ sample24 = (int32_t *)frame->data[ch];
for (i = 0; i < blockstodecode; i++)
*sample24++ = s->decoded[ch][i] << 8;
}
@@ -955,8 +952,7 @@ static int ape_decode_frame(AVCodecContext *avctx, void *data,
s->samples -= blockstodecode;
- *got_frame_ptr = 1;
- *(AVFrame *)data = s->frame;
+ *got_frame_ptr = 1;
return bytes_used;
}