#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/timecode.h"
+#include "libavutil/thread.h"
#include "internal.h"
#include "avcodec.h"
VLC ff_mb_btype_vlc;
VLC ff_mb_pat_vlc;
-av_cold void ff_mpeg12_init_vlcs(void)
+static av_cold void mpeg12_init_vlcs(void)
{
- static int done = 0;
-
- if (!done) {
- done = 1;
-
INIT_VLC_STATIC(&ff_dc_lum_vlc, DC_VLC_BITS, 12,
ff_mpeg12_vlc_dc_lum_bits, 1, 1,
ff_mpeg12_vlc_dc_lum_code, 2, 2, 512);
INIT_2D_VLC_RL(ff_rl_mpeg1, 680, 0);
INIT_2D_VLC_RL(ff_rl_mpeg2, 674, 0);
- }
+}
+
+av_cold void ff_mpeg12_init_vlcs(void)
+{
+ static AVOnce init_static_once = AV_ONCE_INIT;
+ ff_thread_once(&init_static_once, mpeg12_init_vlcs);
}
/**
.capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 |
AV_CODEC_CAP_TRUNCATED | AV_CODEC_CAP_DELAY |
AV_CODEC_CAP_SLICE_THREADS,
- .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_INIT_CLEANUP,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP |
+ FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
.flush = flush,
.max_lowres = 3,
.update_thread_context = ONLY_IF_THREADS_ENABLED(mpeg_decode_update_thread_context),
.capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 |
AV_CODEC_CAP_TRUNCATED | AV_CODEC_CAP_DELAY |
AV_CODEC_CAP_SLICE_THREADS,
- .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_INIT_CLEANUP,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP |
+ FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
.flush = flush,
.max_lowres = 3,
.profiles = NULL_IF_CONFIG_SMALL(ff_mpeg2_video_profiles),
.close = mpeg_decode_end,
.decode = mpeg_decode_frame,
.capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_TRUNCATED | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_SLICE_THREADS,
- .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_INIT_CLEANUP,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP |
+ FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
.flush = flush,
.max_lowres = 3,
};
.decode = ipu_decode_frame,
.close = ipu_decode_end,
.capabilities = AV_CODEC_CAP_DR1,
- .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
+ .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
};