avcodec/mpeg12dec: Move non_linear_qscale to mpegvideodata

This will be used in the next commit
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/mpeg12dec.c

@@ -96,13 +96,6 @@ static const uint32_t btype2mb_type[11] = {
     MB_TYPE_QUANT | MB_TYPE_L0L1 | MB_TYPE_CBP,
 };
 
-static const uint8_t non_linear_qscale[32] = {
-     0,  1,  2,  3,  4,  5,   6,   7,
-     8, 10, 12, 14, 16, 18,  20,  22,
-    24, 28, 32, 36, 40, 44,  48,  52,
-    56, 64, 72, 80, 88, 96, 104, 112,
-};
-
 /* as H.263, but only 17 codes */
 static int mpeg_decode_motion(MpegEncContext *s, int fcode, int pred)
 {
@@ -719,7 +712,7 @@ static inline int get_qscale(MpegEncContext *s)
 {
     int qscale = get_bits(&s->gb, 5);
     if (s->q_scale_type)
-        return non_linear_qscale[qscale];
+        return ff_mpeg2_non_linear_qscale[qscale];
     else
         return qscale << 1;
 }

libavcodec/mpegvideodata.c

@@ -24,6 +24,13 @@ const uint8_t ff_default_chroma_qscale_table[32] = {
     16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
 };
 
+const uint8_t ff_mpeg2_non_linear_qscale[32] = {
+     0,  1,  2,  3,  4,  5,   6,   7,
+     8, 10, 12, 14, 16, 18,  20,  22,
+    24, 28, 32, 36, 40, 44,  48,  52,
+    56, 64, 72, 80, 88, 96, 104, 112,
+};
+
 const uint8_t ff_mpeg1_dc_scale_table[128] = {
 //  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15
     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

libavcodec/mpegvideodata.h

@@ -28,6 +28,8 @@ extern const uint8_t ff_alternate_vertical_scan[64];
 extern const uint8_t ff_mpeg1_dc_scale_table[128];
 extern const uint8_t * const ff_mpeg2_dc_scale_table[4];
 
+extern const uint8_t ff_mpeg2_non_linear_qscale[32];
+
 extern const uint8_t ff_default_chroma_qscale_table[32];
 
 #endif /* AVCODEC_MPEGVIDEODATA_H */