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authorJustin Ruggles <justin.ruggles@gmail.com>2012-12-23 20:10:01 -0500
committerJustin Ruggles <justin.ruggles@gmail.com>2013-02-12 12:22:39 -0500
commitf80f8dd4c25a1762a24c9f28dc3f07aad1ff3594 (patch)
tree3a8f81f61688148f8b9b8b9516fe98b0b69db3dc /libavcodec
parent3b7d43383f5e6caa4a43c2eda39d44133c99b973 (diff)
downloadffmpeg-f80f8dd4c25a1762a24c9f28dc3f07aad1ff3594.tar.gz
vmdaudio: decode directly to the user-provided AVFrame
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/vmdav.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/libavcodec/vmdav.c b/libavcodec/vmdav.c
index cffc00aa40..88cd167659 100644
--- a/libavcodec/vmdav.c
+++ b/libavcodec/vmdav.c
@@ -476,7 +476,6 @@ static av_cold int vmdvideo_decode_end(AVCodecContext *avctx)
#define BLOCK_TYPE_SILENCE 3
typedef struct VmdAudioContext {
- AVFrame frame;
int out_bps;
int chunk_size;
} VmdAudioContext;
@@ -521,9 +520,6 @@ static av_cold int vmdaudio_decode_init(AVCodecContext *avctx)
s->chunk_size = avctx->block_align + avctx->channels * (s->out_bps == 2);
- avcodec_get_frame_defaults(&s->frame);
- avctx->coded_frame = &s->frame;
-
av_log(avctx, AV_LOG_DEBUG, "%d channels, %d bits/sample, "
"block align = %d, sample rate = %d\n",
avctx->channels, avctx->bits_per_coded_sample, avctx->block_align,
@@ -564,6 +560,7 @@ static void decode_audio_s16(int16_t *out, const uint8_t *buf, int buf_size,
static int vmdaudio_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
+ AVFrame *frame = data;
const uint8_t *buf = avpkt->data;
const uint8_t *buf_end;
int buf_size = avpkt->size;
@@ -608,13 +605,14 @@ static int vmdaudio_decode_frame(AVCodecContext *avctx, void *data,
audio_chunks = buf_size / s->chunk_size;
/* get output buffer */
- s->frame.nb_samples = ((silent_chunks + audio_chunks) * avctx->block_align) / avctx->channels;
- if ((ret = ff_get_buffer(avctx, &s->frame)) < 0) {
+ frame->nb_samples = ((silent_chunks + audio_chunks) * avctx->block_align) /
+ avctx->channels;
+ if ((ret = ff_get_buffer(avctx, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
- output_samples_u8 = s->frame.data[0];
- output_samples_s16 = (int16_t *)s->frame.data[0];
+ output_samples_u8 = frame->data[0];
+ output_samples_s16 = (int16_t *)frame->data[0];
/* decode silent chunks */
if (silent_chunks > 0) {
@@ -644,8 +642,7 @@ static int vmdaudio_decode_frame(AVCodecContext *avctx, void *data,
}
}
- *got_frame_ptr = 1;
- *(AVFrame *)data = s->frame;
+ *got_frame_ptr = 1;
return avpkt->size;
}