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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-12-23 20:10:01 -0500 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2013-02-12 12:22:39 -0500 |
| commit | f80f8dd4c25a1762a24c9f28dc3f07aad1ff3594 (patch) | |
| tree | 3a8f81f61688148f8b9b8b9516fe98b0b69db3dc /libavcodec/vmdav.c | |
| parent | 3b7d43383f5e6caa4a43c2eda39d44133c99b973 (diff) | |
vmdaudio: decode directly to the user-provided AVFrame
Diffstat (limited to 'libavcodec/vmdav.c')
| -rw-r--r-- | libavcodec/vmdav.c | 17 |
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; } |