1 files changed, 145 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/common/vp9_enums.h b/media/libvpx/libvpx/vp9/common/vp9_enums.h
new file mode 100644
index 0000000000..b33a3a2978
--- /dev/null
+++ b/media/libvpx/libvpx/vp9/common/vp9_enums.h
@@ -0,0 +1,145 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VPX_VP9_COMMON_VP9_ENUMS_H_
+#define VPX_VP9_COMMON_VP9_ENUMS_H_
+
+#include "./vpx_config.h"
+#include "vpx/vpx_integer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MI_SIZE_LOG2 3
+#define MI_BLOCK_SIZE_LOG2 (6 - MI_SIZE_LOG2)  // 64 = 2^6
+
+#define MI_SIZE (1 << MI_SIZE_LOG2)              // pixels per mi-unit
+#define MI_BLOCK_SIZE (1 << MI_BLOCK_SIZE_LOG2)  // mi-units per max block
+
+#define MI_MASK (MI_BLOCK_SIZE - 1)
+
+// Bitstream profiles indicated by 2-3 bits in the uncompressed header.
+// 00: Profile 0.  8-bit 4:2:0 only.
+// 10: Profile 1.  8-bit 4:4:4, 4:2:2, and 4:4:0.
+// 01: Profile 2.  10-bit and 12-bit color only, with 4:2:0 sampling.
+// 110: Profile 3. 10-bit and 12-bit color only, with 4:2:2/4:4:4/4:4:0
+//                 sampling.
+// 111: Undefined profile.
+typedef enum BITSTREAM_PROFILE {
+  PROFILE_0,
+  PROFILE_1,
+  PROFILE_2,
+  PROFILE_3,
+  MAX_PROFILES
+} BITSTREAM_PROFILE;
+
+typedef enum PARSE_RECON_FLAG { PARSE = 1, RECON = 2 } PARSE_RECON_FLAG;
+
+#define BLOCK_4X4 0
+#define BLOCK_4X8 1
+#define BLOCK_8X4 2
+#define BLOCK_8X8 3
+#define BLOCK_8X16 4
+#define BLOCK_16X8 5
+#define BLOCK_16X16 6
+#define BLOCK_16X32 7
+#define BLOCK_32X16 8
+#define BLOCK_32X32 9
+#define BLOCK_32X64 10
+#define BLOCK_64X32 11
+#define BLOCK_64X64 12
+#define BLOCK_SIZES 13
+#define BLOCK_INVALID BLOCK_SIZES
+typedef uint8_t BLOCK_SIZE;
+
+typedef enum PARTITION_TYPE {
+  PARTITION_NONE,
+  PARTITION_HORZ,
+  PARTITION_VERT,
+  PARTITION_SPLIT,
+  PARTITION_TYPES,
+  PARTITION_INVALID = PARTITION_TYPES
+} PARTITION_TYPE;
+
+typedef char PARTITION_CONTEXT;
+#define PARTITION_PLOFFSET 4  // number of probability models per block size
+#define PARTITION_CONTEXTS (4 * PARTITION_PLOFFSET)
+
+// block transform size
+typedef uint8_t TX_SIZE;
+#define TX_4X4 ((TX_SIZE)0)    // 4x4 transform
+#define TX_8X8 ((TX_SIZE)1)    // 8x8 transform
+#define TX_16X16 ((TX_SIZE)2)  // 16x16 transform
+#define TX_32X32 ((TX_SIZE)3)  // 32x32 transform
+#define TX_SIZES ((TX_SIZE)4)
+
+// frame transform mode
+typedef enum {
+  ONLY_4X4 = 0,        // only 4x4 transform used
+  ALLOW_8X8 = 1,       // allow block transform size up to 8x8
+  ALLOW_16X16 = 2,     // allow block transform size up to 16x16
+  ALLOW_32X32 = 3,     // allow block transform size up to 32x32
+  TX_MODE_SELECT = 4,  // transform specified for each block
+  TX_MODES = 5,
+} TX_MODE;
+
+typedef enum {
+  DCT_DCT = 0,    // DCT  in both horizontal and vertical
+  ADST_DCT = 1,   // ADST in vertical, DCT in horizontal
+  DCT_ADST = 2,   // DCT  in vertical, ADST in horizontal
+  ADST_ADST = 3,  // ADST in both directions
+  TX_TYPES = 4
+} TX_TYPE;
+
+typedef enum {
+  VP9_LAST_FLAG = 1 << 0,
+  VP9_GOLD_FLAG = 1 << 1,
+  VP9_ALT_FLAG = 1 << 2,
+} VP9_REFFRAME;
+
+typedef enum { PLANE_TYPE_Y = 0, PLANE_TYPE_UV = 1, PLANE_TYPES } PLANE_TYPE;
+
+#define DC_PRED 0    // Average of above and left pixels
+#define V_PRED 1     // Vertical
+#define H_PRED 2     // Horizontal
+#define D45_PRED 3   // Directional 45  deg = round(arctan(1/1) * 180/pi)
+#define D135_PRED 4  // Directional 135 deg = 180 - 45
+#define D117_PRED 5  // Directional 117 deg = 180 - 63
+#define D153_PRED 6  // Directional 153 deg = 180 - 27
+#define D207_PRED 7  // Directional 207 deg = 180 + 27
+#define D63_PRED 8   // Directional 63  deg = round(arctan(2/1) * 180/pi)
+#define TM_PRED 9    // True-motion
+#define NEARESTMV 10
+#define NEARMV 11
+#define ZEROMV 12
+#define NEWMV 13
+#define MB_MODE_COUNT 14
+typedef uint8_t PREDICTION_MODE;
+
+#define INTRA_MODES (TM_PRED + 1)
+
+#define INTER_MODES (1 + NEWMV - NEARESTMV)
+
+#define SKIP_CONTEXTS 3
+#define INTER_MODE_CONTEXTS 7
+
+/* Segment Feature Masks */
+#define MAX_MV_REF_CANDIDATES 2
+
+#define INTRA_INTER_CONTEXTS 4
+#define COMP_INTER_CONTEXTS 5
+#define REF_CONTEXTS 5
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VPX_VP9_COMMON_VP9_ENUMS_H_