avcodec/idctdsp: Move ScanTable to mpegvideo

Only used there.
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavcodec/idctdsp.c

@@ -36,27 +36,6 @@ av_cold void ff_permute_scantable(uint8_t dst[64], const uint8_t src[64],
     }
 }
 
-av_cold void ff_init_scantable(const uint8_t *permutation, ScanTable *st,
-                               const uint8_t *src_scantable)
-{
-    int i, end;
-
-    st->scantable = src_scantable;
-
-    for (i = 0; i < 64; i++) {
-        int j = src_scantable[i];
-        st->permutated[i] = permutation[j];
-    }
-
-    end = -1;
-    for (i = 0; i < 64; i++) {
-        int j = st->permutated[i];
-        if (j > end)
-            end = j;
-        st->raster_end[i] = end;
-    }
-}
-
 av_cold void ff_init_scantable_permutation(uint8_t *idct_permutation,
                                            enum idct_permutation_type perm_type)
 {

libavcodec/idctdsp.h

@@ -25,15 +25,6 @@
 
 #include "avcodec.h"
 
-/**
- * Scantable.
- */
-typedef struct ScanTable {
-    const uint8_t *scantable;
-    uint8_t permutated[64];
-    uint8_t raster_end[64];
-} ScanTable;
-
 enum idct_permutation_type {
     FF_IDCT_PERM_NONE,
     FF_IDCT_PERM_LIBMPEG2,
@@ -45,8 +36,6 @@ enum idct_permutation_type {
 
 void ff_permute_scantable(uint8_t dst[64], const uint8_t src[64],
                           const uint8_t permutation[64]);
-void ff_init_scantable(const uint8_t *permutation, ScanTable *st,
-                       const uint8_t *src_scantable);
 void ff_init_scantable_permutation(uint8_t *idct_permutation,
                                    enum idct_permutation_type perm_type);
 int ff_init_scantable_permutation_x86(uint8_t *idct_permutation,

libavcodec/mpegvideo.c

@@ -320,6 +320,27 @@ static av_cold int dct_init(MpegEncContext *s)
     return 0;
 }
 
+av_cold void ff_init_scantable(const uint8_t *permutation, ScanTable *st,
+                               const uint8_t *src_scantable)
+{
+    int end;
+
+    st->scantable = src_scantable;
+
+    for (int i = 0; i < 64; i++) {
+        int j = src_scantable[i];
+        st->permutated[i] = permutation[j];
+    }
+
+    end = -1;
+    for (int i = 0; i < 64; i++) {
+        int j = st->permutated[i];
+        if (j > end)
+            end = j;
+        st->raster_end[i] = end;
+    }
+}
+
 av_cold void ff_mpv_idct_init(MpegEncContext *s)
 {
     if (s->codec_id == AV_CODEC_ID_MPEG4)

libavcodec/mpegvideo.h

@@ -55,6 +55,15 @@
 
 #define MAX_B_FRAMES 16
 
+/**
+ * Scantable.
+ */
+typedef struct ScanTable {
+    const uint8_t *scantable;
+    uint8_t permutated[64];
+    uint8_t raster_end[64];
+} ScanTable;
+
 /**
  * MpegEncContext.
  */
@@ -576,6 +585,8 @@ int ff_update_duplicate_context(MpegEncContext *dst, const MpegEncContext *src);
 void ff_set_qscale(MpegEncContext * s, int qscale);
 
 void ff_mpv_idct_init(MpegEncContext *s);
+void ff_init_scantable(const uint8_t *permutation, ScanTable *st,
+                       const uint8_t *src_scantable);
 void ff_init_block_index(MpegEncContext *s);
 
 void ff_mpv_motion(MpegEncContext *s,