avcodec/ituh263enc: Move MPEG-4 fcode_tab to mpeg4videoenc.c

Andreas Rheinhardt committed 1 year ago

Commit 94f36421 parent 3977abc2 files · +11 −12Browse files

Unified · Split

2 files

  */
 static uint8_t mv_penalty[MAX_FCODE+1][MAX_DMV*2+1];
-/**
- * Minimal fcode that a motion vector component would need.
- */
-static uint8_t fcode_tab[MAX_MV*2+1];
 /**
  * Minimal fcode that a motion vector component would need in umv.
  * All entries in this table are 1.
         }
     }
-    for(f_code=MAX_FCODE; f_code>0; f_code--){
-        for(mv=-(16<<f_code); mv<(16<<f_code); mv++){
-            fcode_tab[mv+MAX_MV]= f_code;
-        }
-    }
     for(mv=0; mv<MAX_MV*2+1; mv++){
         umv_fcode_tab[mv]= 1;
     }
     // use fcodes >1 only for MPEG-4 & H.263 & H.263+ FIXME
     switch(s->codec_id){
     case AV_CODEC_ID_MPEG4:
-        s->fcode_tab= fcode_tab;
         break;
     case AV_CODEC_ID_H263P:
         if(s->umvplus)

 #include "profiles.h"
 #include "version.h"
+/**
+ * Minimal fcode that a motion vector component would need.
+ */
+static uint8_t fcode_tab[MAX_MV*2+1];
 /* The uni_DCtab_* tables below contain unified bits+length tables to encode DC
  * differences in MPEG-4. Unified in the sense that the specification specifies
  * this encoding in several steps. */
     init_uni_mpeg4_rl_tab(&ff_mpeg4_rl_intra, uni_mpeg4_intra_rl_bits, uni_mpeg4_intra_rl_len);
     init_uni_mpeg4_rl_tab(&ff_h263_rl_inter,  uni_mpeg4_inter_rl_bits, uni_mpeg4_inter_rl_len);
+    for (int f_code = MAX_FCODE; f_code > 0; f_code--) {
+        for (int mv = -(16 << f_code); mv < (16 << f_code); mv++)
+            fcode_tab[mv + MAX_MV] = f_code;
+    }
 }
 static av_cold int encode_init(AVCodecContext *avctx)
     ff_thread_once(&init_static_once, mpeg4_encode_init_static);
+    s->fcode_tab                = fcode_tab;
     s->min_qcoeff               = -2048;
     s->max_qcoeff               = 2047;
     s->intra_ac_vlc_length      = uni_mpeg4_intra_rl_len;

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