Move ff_init_qscale_tab() from h263.c to mpegvideo, the function is not h263 specific.

Originally committed as revision 20725 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/h263.c

@@ -503,20 +503,6 @@ static inline void restore_ac_coeffs(MpegEncContext * s, DCTELEM block[6][64], i
     }
 }
 
-/**
- * init s->current_picture.qscale_table from s->lambda_table
- */
-static void ff_init_qscale_tab(MpegEncContext *s){
-    int8_t * const qscale_table= s->current_picture.qscale_table;
-    int i;
-
-    for(i=0; i<s->mb_num; i++){
-        unsigned int lam= s->lambda_table[ s->mb_index2xy[i] ];
-        int qp= (lam*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
-        qscale_table[ s->mb_index2xy[i] ]= av_clip(qp, s->avctx->qmin, s->avctx->qmax);
-    }
-}
-
 /**
  * modify qscale so that encoding is acually possible in h263 (limit difference to -2..2)
  */

libavcodec/mpegvideo.h

@@ -855,6 +855,7 @@ int ff_h263_get_gob_height(MpegEncContext *s);
 void ff_mpeg4_init_direct_mv(MpegEncContext *s);
 int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
 void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code);
+void ff_init_qscale_tab(MpegEncContext *s);
 
 
 /* rv10.c */

libavcodec/mpegvideo_enc.c

@@ -146,6 +146,20 @@ void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){
         put_bits(pb, 1, 0);
 }
 
+/**
+ * init s->current_picture.qscale_table from s->lambda_table
+ */
+void ff_init_qscale_tab(MpegEncContext *s){
+    int8_t * const qscale_table= s->current_picture.qscale_table;
+    int i;
+
+    for(i=0; i<s->mb_num; i++){
+        unsigned int lam= s->lambda_table[ s->mb_index2xy[i] ];
+        int qp= (lam*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
+        qscale_table[ s->mb_index2xy[i] ]= av_clip(qp, s->avctx->qmin, s->avctx->qmax);
+    }
+}
+
 static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
     int i;