diff options
author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-12-24 02:43:47 +0400 |
---|---|---|
committer | Justin Ruggles <justin.ruggles@gmail.com> | 2013-02-12 21:21:22 +0400 |
commit | 182821cff43f5f977004d105b86c47ceb20d00d6 (patch) | |
tree | d61dc9c7cab6dda86ee90e84f16246f7ffe32e8c | |
parent | 7b78321597a9d8e55153fa1f509dff8aa95c1639 (diff) |
dca: decode directly to the user-provided AVFrame
-rw-r--r-- | libavcodec/dcadec.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c index ab2757543a..96f1ee20b2 100644 --- a/libavcodec/dcadec.c +++ b/libavcodec/dcadec.c @@ -285,7 +285,6 @@ static av_always_inline int get_bitalloc(GetBitContext *gb, BitAlloc *ba, typedef struct { AVCodecContext *avctx; - AVFrame frame; /* Frame header */ int frame_type; ///< type of the current frame int samples_deficit; ///< deficit sample count @@ -1653,6 +1652,7 @@ static void dca_exss_parse_header(DCAContext *s) static int dca_decode_frame(AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt) { + AVFrame *frame = data; const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; @@ -1835,17 +1835,17 @@ static int dca_decode_frame(AVCodecContext *avctx, void *data, avctx->channels = channels; /* get output buffer */ - s->frame.nb_samples = 256 * (s->sample_blocks / 8); - if ((ret = ff_get_buffer(avctx, &s->frame)) < 0) { + frame->nb_samples = 256 * (s->sample_blocks / 8); + if ((ret = ff_get_buffer(avctx, frame)) < 0) { av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return ret; } - samples_flt = (float **) s->frame.extended_data; + samples_flt = (float **)frame->extended_data; /* allocate buffer for extra channels if downmixing */ if (avctx->channels < full_channels) { ret = av_samples_get_buffer_size(NULL, full_channels - channels, - s->frame.nb_samples, + frame->nb_samples, avctx->sample_fmt, 0); if (ret < 0) return ret; @@ -1858,7 +1858,7 @@ static int dca_decode_frame(AVCodecContext *avctx, void *data, ret = av_samples_fill_arrays((uint8_t **)s->extra_channels, NULL, s->extra_channels_buffer, full_channels - channels, - s->frame.nb_samples, avctx->sample_fmt, 0); + frame->nb_samples, avctx->sample_fmt, 0); if (ret < 0) return ret; } @@ -1890,8 +1890,7 @@ static int dca_decode_frame(AVCodecContext *avctx, void *data, for (i = 0; i < 2 * s->lfe * 4; i++) s->lfe_data[i] = s->lfe_data[i + lfe_samples]; - *got_frame_ptr = 1; - *(AVFrame *) data = s->frame; + *got_frame_ptr = 1; return buf_size; } @@ -1925,9 +1924,6 @@ static av_cold int dca_decode_init(AVCodecContext *avctx) avctx->channels = avctx->request_channels; } - avcodec_get_frame_defaults(&s->frame); - avctx->coded_frame = &s->frame; - return 0; } |