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avcodec/cook: Make decoder init-threadsafe 

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-11-30 14:33:45 +01:00 committed by Andreas Rheinhardt
parent 980f002b3f
commit 0c47b070e0
1 changed files with 4 additions and 2 deletions
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6
libavcodec/cook.c
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@ -45,6 +45,7 @@
#include "libavutil/channel_layout.h"
#include "libavutil/lfg.h"
#include "libavutil/mem_internal.h"
#include "libavutil/thread.h"
#include "audiodsp.h"
#include "avcodec.h"
@ -1071,6 +1072,7 @@ static void dump_cook_context(COOKContext *q)
*/
static av_cold int cook_decode_init(AVCodecContext *avctx)
{
static AVOnce init_static_once = AV_ONCE_INIT;
COOKContext *q = avctx->priv_data;
GetByteContext gb;
int s = 0;
@ -1249,7 +1251,7 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
}
/* Generate tables */
init_pow2table();
ff_thread_once(&init_static_once, init_pow2table);
init_gain_table(q);
init_cplscales_table(q);
@ -1301,7 +1303,7 @@ const AVCodec ff_cook_decoder = {
.close = cook_decode_close,
.decode = cook_decode_frame,
.capabilities = AV_CODEC_CAP_DR1,
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
.sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP,
AV_SAMPLE_FMT_NONE },
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
};