diff options
| -rw-r--r-- | libavcodec/h264.c | 9 | ||||
| -rw-r--r-- | libavcodec/h264.h | 1 |
2 files changed, 9 insertions, 1 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 4c1e135dcc..ec57d6d2f7 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -606,6 +606,8 @@ 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; @@ -619,7 +621,11 @@ 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) @@ -1801,6 +1807,7 @@ 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 bf8b07e871..e9fd9ccec5 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" |