1 files changed, 311 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/common/blockd.h b/media/libvpx/libvpx/vp8/common/blockd.h
new file mode 100644
index 0000000000..405443449d
--- /dev/null
+++ b/media/libvpx/libvpx/vp8/common/blockd.h
@@ -0,0 +1,311 @@
+/*
+ *  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_VP8_COMMON_BLOCKD_H_
+#define VPX_VP8_COMMON_BLOCKD_H_
+
+void vpx_log(const char *format, ...);
+
+#include "vpx/internal/vpx_codec_internal.h"
+#include "vpx_config.h"
+#include "vpx_scale/yv12config.h"
+#include "mv.h"
+#include "treecoder.h"
+#include "vpx_ports/mem.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*#define DCPRED 1*/
+#define DCPREDSIMTHRESH 0
+#define DCPREDCNTTHRESH 3
+
+#define MB_FEATURE_TREE_PROBS 3
+#define MAX_MB_SEGMENTS 4
+
+#define MAX_REF_LF_DELTAS 4
+#define MAX_MODE_LF_DELTAS 4
+
+/* Segment Feature Masks */
+#define SEGMENT_DELTADATA 0
+#define SEGMENT_ABSDATA 1
+
+typedef struct {
+  int r, c;
+} POS;
+
+#define PLANE_TYPE_Y_NO_DC 0
+#define PLANE_TYPE_Y2 1
+#define PLANE_TYPE_UV 2
+#define PLANE_TYPE_Y_WITH_DC 3
+
+typedef char ENTROPY_CONTEXT;
+typedef struct {
+  ENTROPY_CONTEXT y1[4];
+  ENTROPY_CONTEXT u[2];
+  ENTROPY_CONTEXT v[2];
+  ENTROPY_CONTEXT y2;
+} ENTROPY_CONTEXT_PLANES;
+
+extern const unsigned char vp8_block2left[25];
+extern const unsigned char vp8_block2above[25];
+
+#define VP8_COMBINEENTROPYCONTEXTS(Dest, A, B) Dest = (A) + (B)
+
+typedef enum { KEY_FRAME = 0, INTER_FRAME = 1 } FRAME_TYPE;
+
+typedef enum {
+  DC_PRED, /* average of above and left pixels */
+  V_PRED,  /* vertical prediction */
+  H_PRED,  /* horizontal prediction */
+  TM_PRED, /* Truemotion prediction */
+  B_PRED,  /* block based prediction, each block has its own prediction mode */
+
+  NEARESTMV,
+  NEARMV,
+  ZEROMV,
+  NEWMV,
+  SPLITMV,
+
+  MB_MODE_COUNT
+} MB_PREDICTION_MODE;
+
+/* Macroblock level features */
+typedef enum {
+  MB_LVL_ALT_Q = 0,  /* Use alternate Quantizer .... */
+  MB_LVL_ALT_LF = 1, /* Use alternate loop filter value... */
+  MB_LVL_MAX = 2     /* Number of MB level features supported */
+
+} MB_LVL_FEATURES;
+
+/* Segment Feature Masks */
+#define SEGMENT_ALTQ 0x01
+#define SEGMENT_ALT_LF 0x02
+
+#define VP8_YMODES (B_PRED + 1)
+#define VP8_UV_MODES (TM_PRED + 1)
+
+#define VP8_MVREFS (1 + SPLITMV - NEARESTMV)
+
+typedef enum {
+  B_DC_PRED, /* average of above and left pixels */
+  B_TM_PRED,
+
+  B_VE_PRED, /* vertical prediction */
+  B_HE_PRED, /* horizontal prediction */
+
+  B_LD_PRED,
+  B_RD_PRED,
+
+  B_VR_PRED,
+  B_VL_PRED,
+  B_HD_PRED,
+  B_HU_PRED,
+
+  LEFT4X4,
+  ABOVE4X4,
+  ZERO4X4,
+  NEW4X4,
+
+  B_MODE_COUNT
+} B_PREDICTION_MODE;
+
+#define VP8_BINTRAMODES (B_HU_PRED + 1) /* 10 */
+#define VP8_SUBMVREFS (1 + NEW4X4 - LEFT4X4)
+
+/* 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. */
+
+union b_mode_info {
+  B_PREDICTION_MODE as_mode;
+  int_mv mv;
+};
+
+typedef enum {
+  INTRA_FRAME = 0,
+  LAST_FRAME = 1,
+  GOLDEN_FRAME = 2,
+  ALTREF_FRAME = 3,
+  MAX_REF_FRAMES = 4
+} MV_REFERENCE_FRAME;
+
+typedef struct {
+  uint8_t mode, uv_mode;
+  uint8_t ref_frame;
+  uint8_t is_4x4;
+  int_mv mv;
+
+  uint8_t partitioning;
+  /* does this mb has coefficients at all, 1=no coefficients, 0=need decode
+     tokens */
+  uint8_t mb_skip_coeff;
+  uint8_t need_to_clamp_mvs;
+  /* Which set of segmentation parameters should be used for this MB */
+  uint8_t segment_id;
+} MB_MODE_INFO;
+
+typedef struct modeinfo {
+  MB_MODE_INFO mbmi;
+  union b_mode_info bmi[16];
+} MODE_INFO;
+
+#if CONFIG_MULTI_RES_ENCODING
+/* The mb-level information needed to be stored for higher-resolution encoder */
+typedef struct {
+  MB_PREDICTION_MODE mode;
+  MV_REFERENCE_FRAME ref_frame;
+  int_mv mv;
+  int dissim; /* dissimilarity level of the macroblock */
+} LOWER_RES_MB_INFO;
+
+/* The frame-level information needed to be stored for higher-resolution
+ *  encoder */
+typedef struct {
+  FRAME_TYPE frame_type;
+  int is_frame_dropped;
+  // If frame is dropped due to overshoot after encode_frame. This triggers a
+  // drop and resets rate control with Q forced to max for following frame.
+  // The check for this dropping due to overshoot is only done on lowest stream,
+  // and if set will force drop on all spatial streams for that current frame.
+  int is_frame_dropped_overshoot_maxqp;
+  // The frame rate for the lowest resolution.
+  double low_res_framerate;
+  /* The frame number of each reference frames */
+  unsigned int low_res_ref_frames[MAX_REF_FRAMES];
+  // The video frame counter value for the key frame, for lowest resolution.
+  unsigned int key_frame_counter_value;
+  // Flags to signal skipped encoding of previous and base layer stream.
+  unsigned int skip_encoding_prev_stream;
+  unsigned int skip_encoding_base_stream;
+  LOWER_RES_MB_INFO *mb_info;
+} LOWER_RES_FRAME_INFO;
+#endif
+
+typedef struct blockd {
+  short *qcoeff;
+  short *dqcoeff;
+  unsigned char *predictor;
+  short *dequant;
+
+  int offset;
+  char *eob;
+
+  union b_mode_info bmi;
+} BLOCKD;
+
+typedef void (*vp8_subpix_fn_t)(unsigned char *src_ptr, int src_pixels_per_line,
+                                int xoffset, int yoffset,
+                                unsigned char *dst_ptr, int dst_pitch);
+
+typedef struct macroblockd {
+  DECLARE_ALIGNED(16, unsigned char, predictor[384]);
+  DECLARE_ALIGNED(16, short, qcoeff[400]);
+  DECLARE_ALIGNED(16, short, dqcoeff[400]);
+  DECLARE_ALIGNED(16, char, eobs[25]);
+
+  DECLARE_ALIGNED(16, short, dequant_y1[16]);
+  DECLARE_ALIGNED(16, short, dequant_y1_dc[16]);
+  DECLARE_ALIGNED(16, short, dequant_y2[16]);
+  DECLARE_ALIGNED(16, short, dequant_uv[16]);
+
+  /* 16 Y blocks, 4 U, 4 V, 1 DC 2nd order block, each with 16 entries. */
+  BLOCKD block[25];
+  int fullpixel_mask;
+
+  YV12_BUFFER_CONFIG pre; /* Filtered copy of previous frame reconstruction */
+  YV12_BUFFER_CONFIG dst;
+
+  MODE_INFO *mode_info_context;
+  int mode_info_stride;
+
+  FRAME_TYPE frame_type;
+
+  int up_available;
+  int left_available;
+
+  unsigned char *recon_above[3];
+  unsigned char *recon_left[3];
+  int recon_left_stride[2];
+
+  /* Y,U,V,Y2 */
+  ENTROPY_CONTEXT_PLANES *above_context;
+  ENTROPY_CONTEXT_PLANES *left_context;
+
+  /* 0 indicates segmentation at MB level is not enabled. Otherwise the
+   * individual bits indicate which features are active. */
+  unsigned char segmentation_enabled;
+
+  /* 0 (do not update) 1 (update) the macroblock segmentation map. */
+  unsigned char update_mb_segmentation_map;
+
+  /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
+  unsigned char update_mb_segmentation_data;
+
+  /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
+  unsigned char mb_segement_abs_delta;
+
+  /* Per frame flags that define which MB level features (such as quantizer or
+   * loop filter level) */
+  /* are enabled and when enabled the proabilities used to decode the per MB
+   * flags in MB_MODE_INFO */
+  /* Probability Tree used to code Segment number */
+  vp8_prob mb_segment_tree_probs[MB_FEATURE_TREE_PROBS];
+  /* Segment parameters */
+  signed char segment_feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS];
+
+  /* mode_based Loop filter adjustment */
+  unsigned char mode_ref_lf_delta_enabled;
+  unsigned char mode_ref_lf_delta_update;
+
+  /* Delta values have the range +/- MAX_LOOP_FILTER */
+  signed char
+      last_ref_lf_deltas[MAX_REF_LF_DELTAS];    /* 0 = Intra, Last, GF, ARF */
+  signed char ref_lf_deltas[MAX_REF_LF_DELTAS]; /* 0 = Intra, Last, GF, ARF */
+  /* 0 = BPRED, ZERO_MV, MV, SPLIT */
+  signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS];
+  signed char
+      mode_lf_deltas[MAX_MODE_LF_DELTAS]; /* 0 = BPRED, ZERO_MV, MV, SPLIT */
+
+  /* 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;
+
+  vp8_subpix_fn_t subpixel_predict;
+  vp8_subpix_fn_t subpixel_predict8x4;
+  vp8_subpix_fn_t subpixel_predict8x8;
+  vp8_subpix_fn_t subpixel_predict16x16;
+
+  void *current_bc;
+
+  int corrupted;
+
+  struct vpx_internal_error_info error_info;
+
+#if VPX_ARCH_X86 || VPX_ARCH_X86_64
+  /* This is an intermediate buffer currently used in sub-pixel motion search
+   * to keep a copy of the reference area. This buffer can be used for other
+   * purpose.
+   */
+  DECLARE_ALIGNED(32, unsigned char, y_buf[22 * 32]);
+#endif
+} MACROBLOCKD;
+
+extern void vp8_build_block_doffsets(MACROBLOCKD *x);
+extern void vp8_setup_block_dptrs(MACROBLOCKD *x);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VPX_VP8_COMMON_BLOCKD_H_