Add libvpx thirdparty library

Only necessary files

1 files changed, 305 insertions, 0 deletions

diff --git a/thirdparty/libvpx/vp9/common/vp9_blockd.h b/thirdparty/libvpx/vp9/common/vp9_blockd.h
new file mode 100644
index 0000000000..3d26fb2b5d
--- /dev/null
+++ b/thirdparty/libvpx/vp9/common/vp9_blockd.h
@@ -0,0 +1,305 @@
+/*
+ *  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_dsp/vpx_dsp_common.h"
+#include "vpx_ports/mem.h"
+#include "vpx_scale/yv12config.h"
+
+#include "vp9/common/vp9_common_data.h"
+#include "vp9/common/vp9_entropy.h"
+#include "vp9/common/vp9_entropymode.h"
+#include "vp9/common/vp9_mv.h"
+#include "vp9/common/vp9_scale.h"
+#include "vp9/common/vp9_seg_common.h"
+#include "vp9/common/vp9_tile_common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MAX_MB_PLANE 3
+
+typedef enum {
+  KEY_FRAME = 0,
+  INTER_FRAME = 1,
+  FRAME_TYPES,
+} FRAME_TYPE;
+
+static INLINE int is_inter_mode(PREDICTION_MODE mode) {
+  return mode >= NEARESTMV && mode <= NEWMV;
+}
+
+/* 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 defined entry values
+// specified herein. They should be refactored concurrently.
+
+#define NONE           -1
+#define INTRA_FRAME     0
+#define LAST_FRAME      1
+#define GOLDEN_FRAME    2
+#define ALTREF_FRAME    3
+#define MAX_REF_FRAMES  4
+typedef int8_t MV_REFERENCE_FRAME;
+
+// This structure now relates to 8x8 block regions.
+typedef struct MODE_INFO {
+  // 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
+  INTERP_FILTER interp_filter;
+  MV_REFERENCE_FRAME ref_frame[2];
+
+  // TODO(slavarnway): Delete and use bmi[3].as_mv[] instead.
+  int_mv mv[2];
+
+  b_mode_info bmi[4];
+} MODE_INFO;
+
+static INLINE PREDICTION_MODE get_y_mode(const MODE_INFO *mi, int block) {
+  return mi->sb_type < BLOCK_8X8 ? mi->bmi[block].as_mode
+                                 : mi->mode;
+}
+
+static INLINE int is_inter_block(const MODE_INFO *mi) {
+  return mi->ref_frame[0] > INTRA_FRAME;
+}
+
+static INLINE int has_second_ref(const MODE_INFO *mi) {
+  return mi->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;
+  int subsampling_x;
+  int subsampling_y;
+  struct buf_2d dst;
+  struct buf_2d pre[2];
+  ENTROPY_CONTEXT *above_context;
+  ENTROPY_CONTEXT *left_context;
+  int16_t seg_dequant[MAX_SEGMENTS][2];
+
+  // number of 4x4s in current block
+  uint16_t n4_w, n4_h;
+  // log2 of n4_w, n4_h
+  uint8_t n4_wl, n4_hl;
+
+  // encoder
+  const int16_t *dequant;
+};
+
+#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];
+  uint8_t bmode_blocks_wl;
+  uint8_t bmode_blocks_hl;
+
+  FRAME_COUNTS *counts;
+  TileInfo tile;
+
+  int mi_stride;
+
+  MODE_INFO **mi;
+  MODE_INFO *left_mi;
+  MODE_INFO *above_mi;
+
+  unsigned int max_blocks_wide;
+  unsigned int max_blocks_high;
+
+  const vpx_prob (*partition_probs)[PARTITION_TYPES - 1];
+
+  /* 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;
+
+  FRAME_CONTEXT *fc;
+
+  /* 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];
+
+#if CONFIG_VP9_HIGHBITDEPTH
+  /* Bit depth: 8, 10, 12 */
+  int bd;
+#endif
+
+  int lossless;
+  int corrupted;
+
+  struct vpx_internal_error_info *error_info;
+} MACROBLOCKD;
+
+static INLINE PLANE_TYPE get_plane_type(int plane) {
+  return (PLANE_TYPE)(plane > 0);
+}
+
+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 MODE_INFO *const mi = xd->mi[0];
+
+  if (plane_type != PLANE_TYPE_Y || xd->lossless || is_inter_block(mi))
+    return DCT_DCT;
+
+  return intra_mode_to_tx_type_lookup[mi->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))
+    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 VPXMIN(y_tx_size, max_txsize_lookup[plane_bsize]);
+  }
+}
+
+static INLINE TX_SIZE get_uv_tx_size(const MODE_INFO *mi,
+                                     const struct macroblockd_plane *pd) {
+  return get_uv_tx_size_impl(mi->tx_size, mi->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];
+}
+
+static INLINE void reset_skip_context(MACROBLOCKD *xd, BLOCK_SIZE bsize) {
+  int i;
+  for (i = 0; i < MAX_MB_PLANE; i++) {
+    struct macroblockd_plane *const pd = &xd->plane[i];
+    const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
+    memset(pd->above_context, 0,
+           sizeof(ENTROPY_CONTEXT) * num_4x4_blocks_wide_lookup[plane_bsize]);
+    memset(pd->left_context, 0,
+           sizeof(ENTROPY_CONTEXT) * num_4x4_blocks_high_lookup[plane_bsize]);
+  }
+}
+
+static INLINE const vpx_prob *get_y_mode_probs(const MODE_INFO *mi,
+                                               const MODE_INFO *above_mi,
+                                               const MODE_INFO *left_mi,
+                                               int block) {
+  const PREDICTION_MODE above = vp9_above_block_mode(mi, above_mi, block);
+  const PREDICTION_MODE left = vp9_left_block_mode(mi, left_mi, block);
+  return vp9_kf_y_mode_prob[above][left];
+}
+
+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_