#include "libavutil/avassert.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
+#include "libavutil/thread.h"
#include "libavutil/timecode.h"
#include "libavutil/stereo3d.h"
mpeg1_encode_mb_internal(s, block, motion_x, motion_y, 8);
}
-av_cold void ff_mpeg1_encode_init(MpegEncContext *s)
+static av_cold void mpeg12_encode_init_static(void)
{
- static int done = 0;
-
- ff_mpeg12_common_init(s);
-
- if (!done) {
int f_code;
int mv;
int i;
- done = 1;
ff_rl_init(&ff_rl_mpeg1, ff_mpeg12_static_rl_table_store[0]);
ff_rl_init(&ff_rl_mpeg2, ff_mpeg12_static_rl_table_store[1]);
for (f_code = MAX_FCODE; f_code > 0; f_code--)
for (mv = -(8 << f_code); mv < (8 << f_code); mv++)
fcode_tab[mv + MAX_MV] = f_code;
- }
+}
+
+av_cold void ff_mpeg1_encode_init(MpegEncContext *s)
+{
+ static AVOnce init_static_once = AV_ONCE_INIT;
+
+ ff_mpeg12_common_init(s);
+
s->me.mv_penalty = mv_penalty;
s->fcode_tab = fcode_tab;
if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO) {
}
s->inter_ac_vlc_length =
s->inter_ac_vlc_last_length = uni_mpeg1_ac_vlc_len;
+
+ ff_thread_once(&init_static_once, mpeg12_encode_init_static);
}
#define OFFSET(x) offsetof(MpegEncContext, x)