avcodec/dcaenc: move channel reordering tables to dcaenc.h

DCA core decoder no longer uses fixed tables for channel reordering.
Move them into private encoder header (and drop ff_dca_ prefix).

Signed-off-by: James Almer <jamrial@gmail.com>

libavcodec/dcadata.c

@@ -8730,48 +8730,6 @@ const int32_t ff_dca_sampling_freqs[16] = {
     176400, 352800, 12000, 24000,  48000, 96000, 192000, 384000,
 };
 
-const int8_t ff_dca_lfe_index[16] = {
-    1, 2, 2, 2, 2, 3, 2, 3, 2, 3, 2, 3, 1, 3, 2, 3
-};
-
-const int8_t ff_dca_channel_reorder_lfe[16][9] = {
-    { 0, -1, -1, -1, -1, -1, -1, -1, -1 },
-    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
-    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
-    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
-    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
-    { 2,  0,  1, -1, -1, -1, -1, -1, -1 },
-    { 0,  1,  3, -1, -1, -1, -1, -1, -1 },
-    { 2,  0,  1,  4, -1, -1, -1, -1, -1 },
-    { 0,  1,  3,  4, -1, -1, -1, -1, -1 },
-    { 2,  0,  1,  4,  5, -1, -1, -1, -1 },
-    { 3,  4,  0,  1,  5,  6, -1, -1, -1 },
-    { 2,  0,  1,  4,  5,  6, -1, -1, -1 },
-    { 0,  6,  4,  5,  2,  3, -1, -1, -1 },
-    { 4,  2,  5,  0,  1,  6,  7, -1, -1 },
-    { 5,  6,  0,  1,  7,  3,  8,  4, -1 },
-    { 4,  2,  5,  0,  1,  6,  8,  7, -1 },
-};
-
-const int8_t ff_dca_channel_reorder_nolfe[16][9] = {
-    { 0, -1, -1, -1, -1, -1, -1, -1, -1 },
-    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
-    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
-    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
-    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
-    { 2,  0,  1, -1, -1, -1, -1, -1, -1 },
-    { 0,  1,  2, -1, -1, -1, -1, -1, -1 },
-    { 2,  0,  1,  3, -1, -1, -1, -1, -1 },
-    { 0,  1,  2,  3, -1, -1, -1, -1, -1 },
-    { 2,  0,  1,  3,  4, -1, -1, -1, -1 },
-    { 2,  3,  0,  1,  4,  5, -1, -1, -1 },
-    { 2,  0,  1,  3,  4,  5, -1, -1, -1 },
-    { 0,  5,  3,  4,  1,  2, -1, -1, -1 },
-    { 3,  2,  4,  0,  1,  5,  6, -1, -1 },
-    { 4,  5,  0,  1,  6,  2,  7,  3, -1 },
-    { 3,  2,  4,  0,  1,  5,  7,  6, -1 },
-};
-
 const uint16_t ff_dca_vlc_offs[63] = {
         0,   512,   640,   768,  1282,  1794,  2436,  3080,  3770,  4454,  5364,
      5372,  5380,  5388,  5392,  5396,  5412,  5420,  5428,  5460,  5492,  5508,

libavcodec/dcadata.h

@@ -73,11 +73,6 @@ extern const int32_t ff_dca_xll_band_coeff[20];
 
 extern const int32_t ff_dca_sampling_freqs[16];
 
-extern const int8_t ff_dca_lfe_index[16];
-
-extern const int8_t ff_dca_channel_reorder_lfe[16][9];
-extern const int8_t ff_dca_channel_reorder_nolfe[16][9];
-
 extern const uint16_t ff_dca_vlc_offs[63];
 
 #endif /* AVCODEC_DCADATA_H */

libavcodec/dcaenc.c

@@ -137,9 +137,9 @@ static int encode_init(AVCodecContext *avctx)
 
     if (c->lfe_channel) {
         c->fullband_channels--;
-        c->channel_order_tab = ff_dca_channel_reorder_lfe[c->channel_config];
+        c->channel_order_tab = channel_reorder_lfe[c->channel_config];
     } else {
-        c->channel_order_tab = ff_dca_channel_reorder_nolfe[c->channel_config];
+        c->channel_order_tab = channel_reorder_nolfe[c->channel_config];
     }
 
     for (i = 0; i < 9; i++) {
@@ -303,7 +303,7 @@ static void subband_transform(DCAEncContext *c, const int32_t *input)
 static void lfe_downsample(DCAEncContext *c, const int32_t *input)
 {
     /* FIXME: make 128x LFE downsampling possible */
-    const int lfech = ff_dca_lfe_index[c->channel_config];
+    const int lfech = lfe_index[c->channel_config];
     int i, j, lfes;
     int32_t hist[512];
     int32_t accum;

libavcodec/dcaenc.h

@@ -103,4 +103,46 @@ static const int bit_consumption[27] = {
     272, 288, 304, 320, 336, 352, 368,
 };
 
+static const int8_t lfe_index[16] = {
+    1, 2, 2, 2, 2, 3, 2, 3, 2, 3, 2, 3, 1, 3, 2, 3
+};
+
+static const int8_t channel_reorder_lfe[16][9] = {
+    { 0, -1, -1, -1, -1, -1, -1, -1, -1 },
+    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
+    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
+    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
+    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
+    { 2,  0,  1, -1, -1, -1, -1, -1, -1 },
+    { 0,  1,  3, -1, -1, -1, -1, -1, -1 },
+    { 2,  0,  1,  4, -1, -1, -1, -1, -1 },
+    { 0,  1,  3,  4, -1, -1, -1, -1, -1 },
+    { 2,  0,  1,  4,  5, -1, -1, -1, -1 },
+    { 3,  4,  0,  1,  5,  6, -1, -1, -1 },
+    { 2,  0,  1,  4,  5,  6, -1, -1, -1 },
+    { 0,  6,  4,  5,  2,  3, -1, -1, -1 },
+    { 4,  2,  5,  0,  1,  6,  7, -1, -1 },
+    { 5,  6,  0,  1,  7,  3,  8,  4, -1 },
+    { 4,  2,  5,  0,  1,  6,  8,  7, -1 },
+};
+
+static const int8_t channel_reorder_nolfe[16][9] = {
+    { 0, -1, -1, -1, -1, -1, -1, -1, -1 },
+    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
+    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
+    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
+    { 0,  1, -1, -1, -1, -1, -1, -1, -1 },
+    { 2,  0,  1, -1, -1, -1, -1, -1, -1 },
+    { 0,  1,  2, -1, -1, -1, -1, -1, -1 },
+    { 2,  0,  1,  3, -1, -1, -1, -1, -1 },
+    { 0,  1,  2,  3, -1, -1, -1, -1, -1 },
+    { 2,  0,  1,  3,  4, -1, -1, -1, -1 },
+    { 2,  3,  0,  1,  4,  5, -1, -1, -1 },
+    { 2,  0,  1,  3,  4,  5, -1, -1, -1 },
+    { 0,  5,  3,  4,  1,  2, -1, -1, -1 },
+    { 3,  2,  4,  0,  1,  5,  6, -1, -1 },
+    { 4,  5,  0,  1,  6,  2,  7,  3, -1 },
+    { 3,  2,  4,  0,  1,  5,  7,  6, -1 },
+};
+
 #endif /* AVCODEC_DCAENC_H */