From 0ded61b57a3dd9686b63fb05274c6affdae77674 Mon Sep 17 00:00:00 2001 From: Justin Ruggles Date: Sun, 23 Dec 2012 17:07:10 -0500 Subject: atrac1: decode directly to the user-provided AVFrame --- libavcodec/atrac1.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) (limited to 'libavcodec/atrac1.c') diff --git a/libavcodec/atrac1.c b/libavcodec/atrac1.c index b74bef664f..17203f7959 100644 --- a/libavcodec/atrac1.c +++ b/libavcodec/atrac1.c @@ -73,7 +73,6 @@ typedef struct { * The atrac1 context, holds all needed parameters for decoding */ typedef struct { - AVFrame frame; AT1SUCtx SUs[AT1_MAX_CHANNELS]; ///< channel sound unit DECLARE_ALIGNED(32, float, spec)[AT1_SU_SAMPLES]; ///< the mdct spectrum buffer @@ -274,6 +273,7 @@ static void at1_subband_synthesis(AT1Ctx *q, AT1SUCtx* su, float *pOut) static int atrac1_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; AT1Ctx *q = avctx->priv_data; @@ -287,8 +287,8 @@ static int atrac1_decode_frame(AVCodecContext *avctx, void *data, } /* get output buffer */ - q->frame.nb_samples = AT1_SU_SAMPLES; - if ((ret = ff_get_buffer(avctx, &q->frame)) < 0) { + frame->nb_samples = AT1_SU_SAMPLES; + if ((ret = ff_get_buffer(avctx, frame)) < 0) { av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return ret; } @@ -310,11 +310,10 @@ static int atrac1_decode_frame(AVCodecContext *avctx, void *data, ret = at1_imdct_block(su, q); if (ret < 0) return ret; - at1_subband_synthesis(q, su, (float *)q->frame.extended_data[ch]); + at1_subband_synthesis(q, su, (float *)frame->extended_data[ch]); } - *got_frame_ptr = 1; - *(AVFrame *)data = q->frame; + *got_frame_ptr = 1; return avctx->block_align; } @@ -370,9 +369,6 @@ static av_cold int atrac1_decode_init(AVCodecContext *avctx) q->SUs[1].spectrum[0] = q->SUs[1].spec1; q->SUs[1].spectrum[1] = q->SUs[1].spec2; - avcodec_get_frame_defaults(&q->frame); - avctx->coded_frame = &q->frame; - return 0; } -- cgit v1.2.3