#include <limits.h>
#include "libavutil/attributes.h"
+#include "libavutil/thread.h"
#include "avcodec.h"
#include "mpegvideo.h"
#include "mpegvideodata.h"
coded_frame_rate= 1800000;
coded_frame_rate_base= (1000+best_clock_code)*best_divisor;
- avpriv_align_put_bits(&s->pb);
+ align_put_bits(&s->pb);
/* Update the pointer to last GOB */
s->ptr_lastgob = put_bits_ptr(&s->pb);
}
}
-static av_cold void init_mv_penalty_and_fcode(MpegEncContext *s)
+static av_cold void init_mv_penalty_and_fcode(void)
{
int f_code;
int mv;
}
}
-static av_cold void init_uni_h263_rl_tab(RLTable *rl, uint32_t *bits_tab,
- uint8_t *len_tab)
+static av_cold void init_uni_h263_rl_tab(const RLTable *rl, uint8_t *len_tab)
{
int slevel, run, last;
len= rl->table_vlc[code][1];
bits=bits*2+sign; len++;
- if(code!=rl->n && len < len_tab[index]){
- if(bits_tab) bits_tab[index]= bits;
+ if (code != rl->n && len < len_tab[index])
len_tab [index]= len;
- }
+
/* ESC */
bits= rl->table_vlc[rl->n][0];
len = rl->table_vlc[rl->n][1];
bits=bits*64+run; len+=6;
bits=bits*256+(level&0xff); len+=8;
- if(len < len_tab[index]){
- if(bits_tab) bits_tab[index]= bits;
+ if (len < len_tab[index])
len_tab [index]= len;
- }
}
}
}
}
-av_cold void ff_h263_encode_init(MpegEncContext *s)
+static av_cold void h263_encode_init_static(void)
{
- static int done = 0;
+ static uint8_t rl_intra_table[2][2 * MAX_RUN + MAX_LEVEL + 3];
+
+ ff_rl_init(&ff_rl_intra_aic, rl_intra_table);
+ ff_h263_init_rl_inter();
- if (!done) {
- done = 1;
+ init_uni_h263_rl_tab(&ff_rl_intra_aic, uni_h263_intra_aic_rl_len);
+ init_uni_h263_rl_tab(&ff_h263_rl_inter, uni_h263_inter_rl_len);
- ff_rl_init(&ff_h263_rl_inter, ff_h263_static_rl_table_store[0]);
- ff_rl_init(&ff_rl_intra_aic, ff_h263_static_rl_table_store[1]);
+ init_mv_penalty_and_fcode();
+}
- init_uni_h263_rl_tab(&ff_rl_intra_aic, NULL, uni_h263_intra_aic_rl_len);
- init_uni_h263_rl_tab(&ff_h263_rl_inter , NULL, uni_h263_inter_rl_len);
+av_cold void ff_h263_encode_init(MpegEncContext *s)
+{
+ static AVOnce init_static_once = AV_ONCE_INIT;
- init_mv_penalty_and_fcode(s);
- }
s->me.mv_penalty= mv_penalty; // FIXME exact table for MSMPEG4 & H.263+
s->intra_ac_vlc_length =s->inter_ac_vlc_length = uni_h263_inter_rl_len;
s->y_dc_scale_table=
s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
}
+
+ ff_thread_once(&init_static_once, h263_encode_init_static);
}
void ff_h263_encode_mba(MpegEncContext *s)