Move libvpx from DEPS to src

third_party/libvpx/source/libvpx/vp9/common/vp9_blockd.h

+/*
+ *  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 VP9_COMMON_VP9_BLOCKD_H_
+#define VP9_COMMON_VP9_BLOCKD_H_
+
+#include "./vpx_config.h"
+
+#include "vpx_ports/mem.h"
+#include "vpx_scale/yv12config.h"
+
+#include "vp9/common/vp9_common_data.h"
+#include "vp9/common/vp9_filter.h"
+#include "vp9/common/vp9_mv.h"
+#include "vp9/common/vp9_scale.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BLOCK_SIZE_GROUPS 4
+#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
+
+typedef enum {
+  PLANE_TYPE_Y  = 0,
+  PLANE_TYPE_UV = 1,
+  PLANE_TYPES
+} PLANE_TYPE;
+
+#define MAX_MB_PLANE 3
+
+typedef char ENTROPY_CONTEXT;
+
+static INLINE int combine_entropy_contexts(ENTROPY_CONTEXT a,
+                                           ENTROPY_CONTEXT b) {
+  return (a != 0) + (b != 0);
+}
+
+typedef enum {
+  KEY_FRAME = 0,
+  INTER_FRAME = 1,
+  FRAME_TYPES,
+} FRAME_TYPE;
+
+typedef enum {
+  DC_PRED,         // Average of above and left pixels
+  V_PRED,          // Vertical
+  H_PRED,          // Horizontal
+  D45_PRED,        // Directional 45  deg = round(arctan(1/1) * 180/pi)
+  D135_PRED,       // Directional 135 deg = 180 - 45
+  D117_PRED,       // Directional 117 deg = 180 - 63
+  D153_PRED,       // Directional 153 deg = 180 - 27
+  D207_PRED,       // Directional 207 deg = 180 + 27
+  D63_PRED,        // Directional 63  deg = round(arctan(2/1) * 180/pi)
+  TM_PRED,         // True-motion
+  NEARESTMV,
+  NEARMV,
+  ZEROMV,
+  NEWMV,
+  MB_MODE_COUNT
+} PREDICTION_MODE;
+
+static INLINE int is_inter_mode(PREDICTION_MODE mode) {
+  return mode >= NEARESTMV && mode <= NEWMV;
+}
+
+#define INTRA_MODES (TM_PRED + 1)
+
+#define INTER_MODES (1 + NEWMV - NEARESTMV)
+
+#define INTER_OFFSET(mode) ((mode) - NEARESTMV)
+
+/* For keyframes, intra block modes are predicted by the (already decoded)
+   modes for the Y blocks to the left and above us; for interframes, there
+   is a single probability table. */
+
+typedef struct {
+  PREDICTION_MODE as_mode;
+  int_mv as_mv[2];  // first, second inter predictor motion vectors
+} b_mode_info;
+
+// Note that the rate-distortion optimization loop, bit-stream writer, and
+// decoder implementation modules critically rely on the enum entry values
+// specified herein. They should be refactored concurrently.
+typedef enum {
+  NONE = -1,
+  INTRA_FRAME = 0,
+  LAST_FRAME = 1,
+  GOLDEN_FRAME = 2,
+  ALTREF_FRAME = 3,
+  MAX_REF_FRAMES = 4
+} MV_REFERENCE_FRAME;
+
+// This structure now relates to 8x8 block regions.
+typedef struct {
+  // Common for both INTER and INTRA blocks
+  BLOCK_SIZE sb_type;
+  PREDICTION_MODE mode;
+  TX_SIZE tx_size;
+  int8_t skip;
+  int8_t segment_id;
+  int8_t seg_id_predicted;  // valid only when temporal_update is enabled
+
+  // Only for INTRA blocks
+  PREDICTION_MODE uv_mode;
+
+  // Only for INTER blocks
+  MV_REFERENCE_FRAME ref_frame[2];
+  int_mv mv[2];
+  int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
+  uint8_t mode_context[MAX_REF_FRAMES];
+  INTERP_FILTER interp_filter;
+
+} MB_MODE_INFO;
+
+typedef struct MODE_INFO {
+  MB_MODE_INFO mbmi;
+  b_mode_info bmi[4];
+} MODE_INFO;
+
+static INLINE PREDICTION_MODE get_y_mode(const MODE_INFO *mi, int block) {
+  return mi->mbmi.sb_type < BLOCK_8X8 ? mi->bmi[block].as_mode
+                                      : mi->mbmi.mode;
+}
+
+static INLINE int is_inter_block(const MB_MODE_INFO *mbmi) {
+  return mbmi->ref_frame[0] > INTRA_FRAME;
+}
+
+static INLINE int has_second_ref(const MB_MODE_INFO *mbmi) {
+  return mbmi->ref_frame[1] > INTRA_FRAME;
+}
+
+PREDICTION_MODE vp9_left_block_mode(const MODE_INFO *cur_mi,
+                                    const MODE_INFO *left_mi, int b);
+
+PREDICTION_MODE vp9_above_block_mode(const MODE_INFO *cur_mi,
+                                     const MODE_INFO *above_mi, int b);
+
+enum mv_precision {
+  MV_PRECISION_Q3,
+  MV_PRECISION_Q4
+};
+
+struct buf_2d {
+  uint8_t *buf;
+  int stride;
+};
+
+struct macroblockd_plane {
+  tran_low_t *dqcoeff;
+  PLANE_TYPE plane_type;
+  int subsampling_x;
+  int subsampling_y;
+  struct buf_2d dst;
+  struct buf_2d pre[2];
+  const int16_t *dequant;
+  ENTROPY_CONTEXT *above_context;
+  ENTROPY_CONTEXT *left_context;
+};
+
+#define BLOCK_OFFSET(x, i) ((x) + (i) * 16)
+
+typedef struct RefBuffer {
+  // TODO(dkovalev): idx is not really required and should be removed, now it
+  // is used in vp9_onyxd_if.c
+  int idx;
+  YV12_BUFFER_CONFIG *buf;
+  struct scale_factors sf;
+} RefBuffer;
+
+typedef struct macroblockd {
+  struct macroblockd_plane plane[MAX_MB_PLANE];
+
+  int mi_stride;
+
+  MODE_INFO **mi;
+  MODE_INFO *left_mi;
+  MODE_INFO *above_mi;
+  MB_MODE_INFO *left_mbmi;
+  MB_MODE_INFO *above_mbmi;
+
+  int up_available;
+  int left_available;
+
+  /* Distance of MB away from frame edges */
+  int mb_to_left_edge;
+  int mb_to_right_edge;
+  int mb_to_top_edge;
+  int mb_to_bottom_edge;
+
+  /* pointers to reference frames */
+  RefBuffer *block_refs[2];
+
+  /* pointer to current frame */
+  const YV12_BUFFER_CONFIG *cur_buf;
+
+  ENTROPY_CONTEXT *above_context[MAX_MB_PLANE];
+  ENTROPY_CONTEXT left_context[MAX_MB_PLANE][16];
+
+  PARTITION_CONTEXT *above_seg_context;
+  PARTITION_CONTEXT left_seg_context[8];
+
+  /* mc buffer */
+  DECLARE_ALIGNED(16, uint8_t, mc_buf[80 * 2 * 80 * 2]);
+
+#if CONFIG_VP9_HIGHBITDEPTH
+  /* Bit depth: 8, 10, 12 */
+  int bd;
+  DECLARE_ALIGNED(16, uint16_t, mc_buf_high[80 * 2 * 80 * 2]);
+#endif
+
+  /* dqcoeff are shared by all the planes. So planes must be decoded serially */
+  DECLARE_ALIGNED(16, tran_low_t, dqcoeff[64 * 64]);
+
+  int lossless;
+  int corrupted;
+
+  struct vpx_internal_error_info *error_info;
+} MACROBLOCKD;
+
+static INLINE BLOCK_SIZE get_subsize(BLOCK_SIZE bsize,
+                                     PARTITION_TYPE partition) {
+  return subsize_lookup[partition][bsize];
+}
+
+extern const TX_TYPE intra_mode_to_tx_type_lookup[INTRA_MODES];
+
+static INLINE TX_TYPE get_tx_type(PLANE_TYPE plane_type,
+                                  const MACROBLOCKD *xd) {
+  const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+
+  if (plane_type != PLANE_TYPE_Y || xd->lossless || is_inter_block(mbmi))
+    return DCT_DCT;
+
+  return intra_mode_to_tx_type_lookup[mbmi->mode];
+}
+
+static INLINE TX_TYPE get_tx_type_4x4(PLANE_TYPE plane_type,
+                                      const MACROBLOCKD *xd, int ib) {
+  const MODE_INFO *const mi = xd->mi[0];
+
+  if (plane_type != PLANE_TYPE_Y || xd->lossless || is_inter_block(&mi->mbmi))
+    return DCT_DCT;
+
+  return intra_mode_to_tx_type_lookup[get_y_mode(mi, ib)];
+}
+
+void vp9_setup_block_planes(MACROBLOCKD *xd, int ss_x, int ss_y);
+
+static INLINE TX_SIZE get_uv_tx_size_impl(TX_SIZE y_tx_size, BLOCK_SIZE bsize,
+                                          int xss, int yss) {
+  if (bsize < BLOCK_8X8) {
+    return TX_4X4;
+  } else {
+    const BLOCK_SIZE plane_bsize = ss_size_lookup[bsize][xss][yss];
+    return MIN(y_tx_size, max_txsize_lookup[plane_bsize]);
+  }
+}
+
+static INLINE TX_SIZE get_uv_tx_size(const MB_MODE_INFO *mbmi,
+                                     const struct macroblockd_plane *pd) {
+  return get_uv_tx_size_impl(mbmi->tx_size, mbmi->sb_type, pd->subsampling_x,
+                             pd->subsampling_y);
+}
+
+static INLINE BLOCK_SIZE get_plane_block_size(BLOCK_SIZE bsize,
+    const struct macroblockd_plane *pd) {
+  return ss_size_lookup[bsize][pd->subsampling_x][pd->subsampling_y];
+}
+
+typedef void (*foreach_transformed_block_visitor)(int plane, int block,
+                                                  BLOCK_SIZE plane_bsize,
+                                                  TX_SIZE tx_size,
+                                                  void *arg);
+
+void vp9_foreach_transformed_block_in_plane(
+    const MACROBLOCKD *const xd, BLOCK_SIZE bsize, int plane,
+    foreach_transformed_block_visitor visit, void *arg);
+
+
+void vp9_foreach_transformed_block(
+    const MACROBLOCKD* const xd, BLOCK_SIZE bsize,
+    foreach_transformed_block_visitor visit, void *arg);
+
+static INLINE void txfrm_block_to_raster_xy(BLOCK_SIZE plane_bsize,
+                                            TX_SIZE tx_size, int block,
+                                            int *x, int *y) {
+  const int bwl = b_width_log2_lookup[plane_bsize];
+  const int tx_cols_log2 = bwl - tx_size;
+  const int tx_cols = 1 << tx_cols_log2;
+  const int raster_mb = block >> (tx_size << 1);
+  *x = (raster_mb & (tx_cols - 1)) << tx_size;
+  *y = (raster_mb >> tx_cols_log2) << tx_size;
+}
+
+void vp9_set_contexts(const MACROBLOCKD *xd, struct macroblockd_plane *pd,
+                      BLOCK_SIZE plane_bsize, TX_SIZE tx_size, int has_eob,
+                      int aoff, int loff);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VP9_COMMON_VP9_BLOCKD_H_