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authorHendrik Leppkes <h.leppkes@gmail.com>2015-10-14 23:06:06 +0200
committerHendrik Leppkes <h.leppkes@gmail.com>2015-10-14 23:06:06 +0200
commit15db457ea8f76cd03a371dee548b7dbc60efcb86 (patch)
treea9e15a657bac4ccfbc3a4dd433883944dbdfc4e7
parentf05021f3f49a45b36411ec9de3cd7522dc9f9110 (diff)
parentd15368ee3926152a3a301c13cc638fbf7a062ddf (diff)
Merge commit 'd15368ee3926152a3a301c13cc638fbf7a062ddf'
* commit 'd15368ee3926152a3a301c13cc638fbf7a062ddf': h264: Run VLC init under pthread_once Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
-rw-r--r--libavcodec/h264.c9
-rw-r--r--libavcodec/h264.h1
2 files changed, 9 insertions, 1 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 3209c9c4a7..fff65bc670 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -644,6 +644,8 @@ static int h264_init_context(AVCodecContext *avctx, H264Context *h)
return 0;
}
+static AVOnce h264_vlc_init = AV_ONCE_INIT;
+
av_cold int ff_h264_decode_init(AVCodecContext *avctx)
{
H264Context *h = avctx->priv_data;
@@ -657,7 +659,11 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx)
if (!avctx->has_b_frames)
h->low_delay = 1;
- ff_h264_decode_init_vlc();
+ ret = ff_thread_once(&h264_vlc_init, ff_h264_decode_init_vlc);
+ if (ret != 0) {
+ av_log(avctx, AV_LOG_ERROR, "pthread_once has failed.");
+ return AVERROR_UNKNOWN;
+ }
if (avctx->codec_id == AV_CODEC_ID_H264) {
if (avctx->ticks_per_frame == 1) {
@@ -1993,6 +1999,7 @@ AVCodec ff_h264_decoder = {
.capabilities = /*AV_CODEC_CAP_DRAW_HORIZ_BAND |*/ AV_CODEC_CAP_DR1 |
AV_CODEC_CAP_DELAY | AV_CODEC_CAP_SLICE_THREADS |
AV_CODEC_CAP_FRAME_THREADS,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
.flush = flush_dpb,
.init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy),
.update_thread_context = ONLY_IF_THREADS_ENABLED(ff_h264_update_thread_context),
diff --git a/libavcodec/h264.h b/libavcodec/h264.h
index 769abdad4b..b3d08c3d11 100644
--- a/libavcodec/h264.h
+++ b/libavcodec/h264.h
@@ -29,6 +29,7 @@
#define AVCODEC_H264_H
#include "libavutil/intreadwrite.h"
+#include "libavutil/thread.h"
#include "cabac.h"
#include "error_resilience.h"
#include "get_bits.h"