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takdec: frame multi-threading support 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-06-03 15:42:39 +00:00
parent d5f7f1fef1
commit d97044640c
1 changed files with 18 additions and 2 deletions
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20
libavcodec/takdec.c
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@ -28,6 +28,7 @@
#include "libavutil/internal.h"
#include "libavutil/samplefmt.h"
#include "tak.h"
#include "thread.h"
#include "avcodec.h"
#include "dsputil.h"
#include "internal.h"
@ -673,6 +674,7 @@ static int tak_decode_frame(AVCodecContext *avctx, void *data,
{
TAKDecContext *s = avctx->priv_data;
AVFrame *frame = data;
ThreadFrame tframe = { .f = data };
GetBitContext *gb = &s->gb;
int chan, i, ret, hsize;
@ -736,8 +738,9 @@ static int tak_decode_frame(AVCodecContext *avctx, void *data,
: s->ti.frame_samples;
frame->nb_samples = s->nb_samples;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
if ((ret = ff_thread_get_buffer(avctx, &tframe, 0)) < 0)
return ret;
ff_thread_finish_setup(avctx);
if (avctx->bits_per_raw_sample <= 16) {
int buf_size = av_samples_get_buffer_size(NULL, avctx->channels,
@ -899,6 +902,18 @@ static int tak_decode_frame(AVCodecContext *avctx, void *data,
return pkt->size;
}
static int update_thread_context(AVCodecContext *dst,
const AVCodecContext *src)
{
TAKDecContext *tsrc = src->priv_data;
TAKDecContext *tdst = dst->priv_data;
if (dst == src)
return 0;
memcpy(&tdst->ti, &tsrc->ti, sizeof(TAKStreamInfo));
return 0;
}
static av_cold int tak_decode_close(AVCodecContext *avctx)
{
TAKDecContext *s = avctx->priv_data;
@ -916,7 +931,8 @@ AVCodec ff_tak_decoder = {
.init = tak_decode_init,
.close = tak_decode_close,
.decode = tak_decode_frame,
.capabilities = CODEC_CAP_DR1,
.update_thread_context = update_thread_context,
.capabilities = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
.long_name = NULL_IF_CONFIG_SMALL("TAK (Tom's lossless Audio Kompressor)"),
.sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_U8P,
AV_SAMPLE_FMT_S16P,