cabac: drop unused STRICT_LIMITS code branch

[ffmpeg] / libavcodec / vp8data.h

diff --git a/libavcodec/vp8data.h b/libavcodec/vp8data.h
index 67e8ef3f4750cec1192ed0c310be1c1b565ea266..a48b0f6f9b341bffd6a4cfa75fad39537200b230 100644 (file)
--- a/libavcodec/vp8data.h
+++ b/libavcodec/vp8data.h
@@ -1,75 +1,35 @@
-/**
- * VP8 compatible video decoder
- *
+/*
  * Copyright (C) 2010 David Conrad
  * Copyright (C) 2010 Ronald S. Bultje
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-// TODO: move these #define and enum to a better header...
-
-#define VP8_MAX_QUANT 127
-
-enum dct_token {
-    DCT_0,
-    DCT_1,
-    DCT_2,
-    DCT_3,
-    DCT_4,
-    DCT_CAT1,
-    DCT_CAT2,
-    DCT_CAT3,
-    DCT_CAT4,
-    DCT_CAT5,
-    DCT_CAT6,
-    DCT_EOB,
+/**
+ * @file
+ * VP8 compatible video decoder
+ */
 
-    NUM_DCT_TOKENS
-};
+#ifndef AVCODEC_VP8DATA_H
+#define AVCODEC_VP8DATA_H
 
+#include "vp8.h"
 #include "h264pred.h"
 
-// used to signal 4x4 intra pred in luma MBs
-#define MODE_I4x4 4
-
-enum inter_mvmode {
-    VP8_MVMODE_NEAREST = MODE_I4x4 + 1,
-    VP8_MVMODE_NEAR,
-    VP8_MVMODE_ZERO,
-    VP8_MVMODE_NEW,
-    VP8_MVMODE_SPLIT
-};
-
-enum inter_submvmode {
-    VP8_SUBMVMODE_LEFT4X4,
-    VP8_SUBMVMODE_TOP4X4,
-    VP8_SUBMVMODE_ZERO4X4,
-    VP8_SUBMVMODE_NEW4X4
-};
-
-enum inter_splitmvmode {
-    VP8_SPLITMVMODE_16x8 = 0,    ///< 2 16x8 blocks (vertical)
-    VP8_SPLITMVMODE_8x16,        ///< 2 8x16 blocks (horizontal)
-    VP8_SPLITMVMODE_8x8,         ///< 2x2 blocks of 8x8px each
-    VP8_SPLITMVMODE_4x4,         ///< 4x4 blocks of 4x4px each
-    VP8_SPLITMVMODE_NONE,        ///< (only used in prediction) no split MVs
-};
-
 static const uint8_t vp8_pred4x4_mode[] =
 {
     [DC_PRED8x8]    = DC_PRED,
@@ -103,13 +63,6 @@ static const int vp8_mode_contexts[6][4] = {
     { 234, 188, 128,  28 },
 };
 
-static const int8_t vp8_pred16x16_tree_mvinter[4][2] = {
-    { -VP8_MVMODE_ZERO,      1 },           // '0'
-     { -VP8_MVMODE_NEAREST,  2 },           // '10'
-      { -VP8_MVMODE_NEAR,    3 },           // '110'
-       { -VP8_MVMODE_NEW, -VP8_MVMODE_SPLIT } // '1110', '1111'
-};
-
 static const uint8_t vp8_mbsplits[5][16] = {
     {  0,  0,  0,  0,  0,  0,  0,  0,
        1,  1,  1,  1,  1,  1,  1,  1  },
@@ -129,12 +82,6 @@ static const uint8_t vp8_mbfirstidx[4][16] = {
        8,  9, 10, 11, 12, 13, 14, 15 }
 };
 
-static const int8_t vp8_mbsplit_tree[3][2] = {
-    { -VP8_SPLITMVMODE_4x4,  1 },           // '0' - 16 individual MVs
-     { -VP8_SPLITMVMODE_8x8,  2 },          // '10' - quarter-based MVs
-      { -VP8_SPLITMVMODE_16x8,              // '110' - top/bottom MVs
-        -VP8_SPLITMVMODE_8x16 }             // '111' - left/right MVs
-};
 static const uint8_t vp8_mbsplit_count[4] = {   2,   2,   4,  16 };
 static const uint8_t vp8_mbsplit_prob[3]  = { 110, 111, 150 };
 
@@ -146,12 +93,6 @@ static const uint8_t vp8_submv_prob[5][3] = {
     { 208,   1,   1 }
 };
 
-static const int8_t vp8_submv_ref_tree[3][2] = {
-    { -VP8_SUBMVMODE_LEFT4X4, 1 },          // '0'
-     { -VP8_SUBMVMODE_TOP4X4, 2 },          // '10'
-      { -VP8_SUBMVMODE_ZERO4X4, -VP8_SUBMVMODE_NEW4X4 } // '110', '111'
-};
-
 static const uint8_t vp8_pred16x16_prob_intra[4] = { 145, 156, 163, 128 };
 static const uint8_t vp8_pred16x16_prob_inter[4] = { 112,  86, 140,  37 };
 
@@ -314,10 +255,23 @@ static const int8_t vp8_segmentid_tree[][2] =
      { -2, -3 },    // '10', '11'
 };
 
-/* Padded by one byte to allow overreads */
-static const uint8_t vp8_coeff_band[17] =
+static const uint8_t vp8_coeff_band[16] =
+{
+    0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7
+};
+
+/* Inverse of vp8_coeff_band: mappings of bands to coefficient indexes.
+ * Each list is -1-terminated. */
+static const int8_t vp8_coeff_band_indexes[8][10] =
 {
-    0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 0
+    {0, -1},
+    {1, -1},
+    {2, -1},
+    {3, -1},
+    {5, -1},
+    {6, -1},
+    {4, 7, 8, 9, 10, 11, 12, 13, 14, -1},
+    {15, -1}
 };
 
 static const uint8_t vp8_dct_cat1_prob[] = { 159, 0 };
@@ -328,7 +282,7 @@ static const uint8_t vp8_dct_cat5_prob[] = { 180, 157, 141, 134, 130, 0 };
 static const uint8_t vp8_dct_cat6_prob[] = { 254, 254, 243, 230, 196, 177, 153, 140, 133, 130, 129, 0 };
 
 // only used for cat3 and above; cat 1 and 2 are referenced directly
-static const uint8_t * const vp8_dct_cat_prob[] =
+const uint8_t * const ff_vp8_dct_cat_prob[] =
 {
     vp8_dct_cat3_prob,
     vp8_dct_cat4_prob,
@@ -733,3 +687,5 @@ static const uint8_t vp8_mv_default_prob[2][19] = {
       204, 170, 119, 235, 140, 230, 228,
       128, 130, 130,  74, 148, 180, 203, 236, 254, 254 }
 };
+
+#endif /* AVCODEC_VP8DATA_H */