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avcodec/indeo3: Make decoder init-threadsafe

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt
2020-11-29 18:53:45 +01:00
committed by Andreas Rheinhardt
parent 8b8358f580
commit 8d87e1ef6c
1 changed files with 4 additions and 2 deletions
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libavcodec/indeo3.c
+4 -2
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@@ -31,6 +31,7 @@
#include "libavutil/imgutils.h" #include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h" #include "libavutil/intreadwrite.h"
#include "libavutil/thread.h"
#include "avcodec.h" #include "avcodec.h"
#include "copy_block.h" #include "copy_block.h"
#include "bytestream.h" #include "bytestream.h"
@@ -1049,12 +1050,13 @@ static void output_plane(const Plane *plane, int buf_sel, uint8_t *dst,
static av_cold int decode_init(AVCodecContext *avctx) static av_cold int decode_init(AVCodecContext *avctx)
{ {
static AVOnce init_static_once = AV_ONCE_INIT;
Indeo3DecodeContext *ctx = avctx->priv_data; Indeo3DecodeContext *ctx = avctx->priv_data;
ctx->avctx = avctx; ctx->avctx = avctx;
avctx->pix_fmt = AV_PIX_FMT_YUV410P; avctx->pix_fmt = AV_PIX_FMT_YUV410P;
build_requant_tab(); ff_thread_once(&init_static_once, build_requant_tab);
ff_hpeldsp_init(&ctx->hdsp, avctx->flags); ff_hpeldsp_init(&ctx->hdsp, avctx->flags);
@@ -1141,5 +1143,5 @@ const AVCodec ff_indeo3_decoder = {
.close = decode_close, .close = decode_close,
.decode = decode_frame, .decode = decode_frame,
.capabilities = AV_CODEC_CAP_DR1, .capabilities = AV_CODEC_CAP_DR1,
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP, .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
}; };