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diff --git a/media/libvpx/vp9/common/vp9_onyxc_int.h b/media/libvpx/vp9/common/vp9_onyxc_int.h
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+/*
+ * 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_ONYXC_INT_H_
+#define VP9_COMMON_VP9_ONYXC_INT_H_
+
+#include "./vpx_config.h"
+#include "vpx/internal/vpx_codec_internal.h"
+#include "./vp9_rtcd.h"
+#include "vp9/common/vp9_alloccommon.h"
+#include "vp9/common/vp9_loopfilter.h"
+#include "vp9/common/vp9_entropymv.h"
+#include "vp9/common/vp9_entropy.h"
+#include "vp9/common/vp9_entropymode.h"
+#include "vp9/common/vp9_frame_buffers.h"
+#include "vp9/common/vp9_quant_common.h"
+#include "vp9/common/vp9_thread.h"
+#include "vp9/common/vp9_tile_common.h"
+
+#if CONFIG_VP9_POSTPROC
+#include "vp9/common/vp9_postproc.h"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define REFS_PER_FRAME 3
+
+#define REF_FRAMES_LOG2 3
+#define REF_FRAMES (1 << REF_FRAMES_LOG2)
+
+// 4 scratch frames for the new frames to support a maximum of 4 cores decoding
+// in parallel, 3 for scaled references on the encoder.
+// TODO(hkuang): Add ondemand frame buffers instead of hardcoding the number
+// of framebuffers.
+// TODO(jkoleszar): These 3 extra references could probably come from the
+// normal reference pool.
+#define FRAME_BUFFERS (REF_FRAMES + 7)
+
+#define FRAME_CONTEXTS_LOG2 2
+#define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2)
+
+#define NUM_PING_PONG_BUFFERS 2
+
+extern const struct {
+ PARTITION_CONTEXT above;
+ PARTITION_CONTEXT left;
+} partition_context_lookup[BLOCK_SIZES];
+
+
+typedef enum {
+ SINGLE_REFERENCE = 0,
+ COMPOUND_REFERENCE = 1,
+ REFERENCE_MODE_SELECT = 2,
+ REFERENCE_MODES = 3,
+} REFERENCE_MODE;
+
+typedef struct {
+ int_mv mv[2];
+ MV_REFERENCE_FRAME ref_frame[2];
+} MV_REF;
+
+typedef struct {
+ int ref_count;
+ MV_REF *mvs;
+ int mi_rows;
+ int mi_cols;
+ vpx_codec_frame_buffer_t raw_frame_buffer;
+ YV12_BUFFER_CONFIG buf;
+
+ // The Following variables will only be used in frame parallel decode.
+
+ // frame_worker_owner indicates which FrameWorker owns this buffer. NULL means
+ // that no FrameWorker owns, or is decoding, this buffer.
+ VP9Worker *frame_worker_owner;
+
+ // row and col indicate which position frame has been decoded to in real
+ // pixel unit. They are reset to -1 when decoding begins and set to INT_MAX
+ // when the frame is fully decoded.
+ int row;
+ int col;
+} RefCntBuffer;
+
+typedef struct BufferPool {
+ // Protect BufferPool from being accessed by several FrameWorkers at
+ // the same time during frame parallel decode.
+ // TODO(hkuang): Try to use atomic variable instead of locking the whole pool.
+#if CONFIG_MULTITHREAD
+ pthread_mutex_t pool_mutex;
+#endif
+
+ // Private data associated with the frame buffer callbacks.
+ void *cb_priv;
+
+ vpx_get_frame_buffer_cb_fn_t get_fb_cb;
+ vpx_release_frame_buffer_cb_fn_t release_fb_cb;
+
+ RefCntBuffer frame_bufs[FRAME_BUFFERS];
+
+ // Frame buffers allocated internally by the codec.
+ InternalFrameBufferList int_frame_buffers;
+} BufferPool;
+
+typedef struct VP9Common {
+ struct vpx_internal_error_info error;
+ vpx_color_space_t color_space;
+ int width;
+ int height;
+ int display_width;
+ int display_height;
+ int last_width;
+ int last_height;
+
+ // TODO(jkoleszar): this implies chroma ss right now, but could vary per
+ // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to
+ // support additional planes.
+ int subsampling_x;
+ int subsampling_y;
+
+#if CONFIG_VP9_HIGHBITDEPTH
+ int use_highbitdepth; // Marks if we need to use 16bit frame buffers.
+#endif
+
+ YV12_BUFFER_CONFIG *frame_to_show;
+ RefCntBuffer *prev_frame;
+
+ // TODO(hkuang): Combine this with cur_buf in macroblockd.
+ RefCntBuffer *cur_frame;
+
+ int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */
+
+ // Prepare ref_frame_map for the next frame.
+ // Only used in frame parallel decode.
+ int next_ref_frame_map[REF_FRAMES];
+
+ // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
+ // roll new_fb_idx into it.
+
+ // Each frame can reference REFS_PER_FRAME buffers
+ RefBuffer frame_refs[REFS_PER_FRAME];
+
+ int new_fb_idx;
+
+#if CONFIG_VP9_POSTPROC
+ YV12_BUFFER_CONFIG post_proc_buffer;
+ YV12_BUFFER_CONFIG post_proc_buffer_int;
+#endif
+
+ FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
+ FRAME_TYPE frame_type;
+
+ int show_frame;
+ int last_show_frame;
+ int show_existing_frame;
+
+ // Flag signaling that the frame is encoded using only INTRA modes.
+ int intra_only;
+
+ int allow_high_precision_mv;
+
+ // Flag signaling that the frame context should be reset to default values.
+ // 0 or 1 implies don't reset, 2 reset just the context specified in the
+ // frame header, 3 reset all contexts.
+ int reset_frame_context;
+
+ // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in
+ // MODE_INFO (8-pixel) units.
+ int MBs;
+ int mb_rows, mi_rows;
+ int mb_cols, mi_cols;
+ int mi_stride;
+
+ /* profile settings */
+ TX_MODE tx_mode;
+
+ int base_qindex;
+ int y_dc_delta_q;
+ int uv_dc_delta_q;
+ int uv_ac_delta_q;
+ int16_t y_dequant[MAX_SEGMENTS][2];
+ int16_t uv_dequant[MAX_SEGMENTS][2];
+
+ /* We allocate a MODE_INFO struct for each macroblock, together with
+ an extra row on top and column on the left to simplify prediction. */
+ int mi_alloc_size;
+ MODE_INFO *mip; /* Base of allocated array */
+ MODE_INFO *mi; /* Corresponds to upper left visible macroblock */
+
+ // TODO(agrange): Move prev_mi into encoder structure.
+ // prev_mip and prev_mi will only be allocated in VP9 encoder.
+ MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
+ MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */
+
+ // Separate mi functions between encoder and decoder.
+ int (*alloc_mi)(struct VP9Common *cm, int mi_size);
+ void (*free_mi)(struct VP9Common *cm);
+ void (*setup_mi)(struct VP9Common *cm);
+
+ // Grid of pointers to 8x8 MODE_INFO structs. Any 8x8 not in the visible
+ // area will be NULL.
+ MODE_INFO **mi_grid_base;
+ MODE_INFO **mi_grid_visible;
+ MODE_INFO **prev_mi_grid_base;
+ MODE_INFO **prev_mi_grid_visible;
+
+ // Whether to use previous frame's motion vectors for prediction.
+ int use_prev_frame_mvs;
+
+ // Persistent mb segment id map used in prediction.
+ int seg_map_idx;
+ int prev_seg_map_idx;
+
+ uint8_t *seg_map_array[NUM_PING_PONG_BUFFERS];
+ uint8_t *last_frame_seg_map;
+ uint8_t *current_frame_seg_map;
+ int seg_map_alloc_size;
+
+ INTERP_FILTER interp_filter;
+
+ loop_filter_info_n lf_info;
+
+ int refresh_frame_context; /* Two state 0 = NO, 1 = YES */
+
+ int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */
+
+ struct loopfilter lf;
+ struct segmentation seg;
+
+ // TODO(hkuang): Remove this as it is the same as frame_parallel_decode
+ // in pbi.
+ int frame_parallel_decode; // frame-based threading.
+
+ // Context probabilities for reference frame prediction
+ MV_REFERENCE_FRAME comp_fixed_ref;
+ MV_REFERENCE_FRAME comp_var_ref[2];
+ REFERENCE_MODE reference_mode;
+
+ FRAME_CONTEXT *fc; /* this frame entropy */
+ FRAME_CONTEXT *frame_contexts; // FRAME_CONTEXTS
+ unsigned int frame_context_idx; /* Context to use/update */
+ FRAME_COUNTS counts;
+
+ unsigned int current_video_frame;
+ BITSTREAM_PROFILE profile;
+
+ // VPX_BITS_8 in profile 0 or 1, VPX_BITS_10 or VPX_BITS_12 in profile 2 or 3.
+ vpx_bit_depth_t bit_depth;
+ vpx_bit_depth_t dequant_bit_depth; // bit_depth of current dequantizer
+
+#if CONFIG_VP9_POSTPROC
+ struct postproc_state postproc_state;
+#endif
+
+ int error_resilient_mode;
+ int frame_parallel_decoding_mode;
+
+ int log2_tile_cols, log2_tile_rows;
+ int byte_alignment;
+ int skip_loop_filter;
+
+ // Private data associated with the frame buffer callbacks.
+ void *cb_priv;
+ vpx_get_frame_buffer_cb_fn_t get_fb_cb;
+ vpx_release_frame_buffer_cb_fn_t release_fb_cb;
+
+ // Handles memory for the codec.
+ InternalFrameBufferList int_frame_buffers;
+
+ // External BufferPool passed from outside.
+ BufferPool *buffer_pool;
+
+ PARTITION_CONTEXT *above_seg_context;
+ ENTROPY_CONTEXT *above_context;
+ int above_context_alloc_cols;
+} VP9_COMMON;
+
+// TODO(hkuang): Don't need to lock the whole pool after implementing atomic
+// frame reference count.
+void lock_buffer_pool(BufferPool *const pool);
+void unlock_buffer_pool(BufferPool *const pool);
+
+static INLINE YV12_BUFFER_CONFIG *get_ref_frame(VP9_COMMON *cm, int index) {
+ if (index < 0 || index >= REF_FRAMES)
+ return NULL;
+ if (cm->ref_frame_map[index] < 0)
+ return NULL;
+ assert(cm->ref_frame_map[index] < FRAME_BUFFERS);
+ return &cm->buffer_pool->frame_bufs[cm->ref_frame_map[index]].buf;
+}
+
+static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) {
+ return &cm->buffer_pool->frame_bufs[cm->new_fb_idx].buf;
+}
+
+static INLINE int get_free_fb(VP9_COMMON *cm) {
+ RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
+ int i;
+
+ lock_buffer_pool(cm->buffer_pool);
+ for (i = 0; i < FRAME_BUFFERS; ++i)
+ if (frame_bufs[i].ref_count == 0)
+ break;
+
+ if (i != FRAME_BUFFERS) {
+ frame_bufs[i].ref_count = 1;
+ } else {
+ // Reset i to be INVALID_IDX to indicate no free buffer found.
+ i = INVALID_IDX;
+ }
+
+ unlock_buffer_pool(cm->buffer_pool);
+ return i;
+}
+
+static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) {
+ const int ref_index = *idx;
+
+ if (ref_index >= 0 && bufs[ref_index].ref_count > 0)
+ bufs[ref_index].ref_count--;
+
+ *idx = new_idx;
+
+ bufs[new_idx].ref_count++;
+}
+
+static INLINE int mi_cols_aligned_to_sb(int n_mis) {
+ return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2);
+}
+
+static INLINE void init_macroblockd(VP9_COMMON *cm, MACROBLOCKD *xd) {
+ int i;
+
+ for (i = 0; i < MAX_MB_PLANE; ++i) {
+ xd->plane[i].dqcoeff = xd->dqcoeff;
+ xd->above_context[i] = cm->above_context +
+ i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols);
+
+ if (xd->plane[i].plane_type == PLANE_TYPE_Y) {
+ memcpy(xd->plane[i].seg_dequant, cm->y_dequant, sizeof(cm->y_dequant));
+ } else {
+ memcpy(xd->plane[i].seg_dequant, cm->uv_dequant, sizeof(cm->uv_dequant));
+ }
+ xd->fc = cm->fc;
+ xd->frame_parallel_decoding_mode = cm->frame_parallel_decoding_mode;
+ }
+
+ xd->above_seg_context = cm->above_seg_context;
+ xd->mi_stride = cm->mi_stride;
+ xd->error_info = &cm->error;
+}
+
+static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) {
+ return cm->frame_type == KEY_FRAME || cm->intra_only;
+}
+
+static INLINE const vp9_prob* get_partition_probs(const VP9_COMMON *cm,
+ int ctx) {
+ return frame_is_intra_only(cm) ? vp9_kf_partition_probs[ctx]
+ : cm->fc->partition_prob[ctx];
+}
+
+static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) {
+ const int above_idx = mi_col * 2;
+ const int left_idx = (mi_row * 2) & 15;
+ int i;
+ for (i = 0; i < MAX_MB_PLANE; ++i) {
+ struct macroblockd_plane *const pd = &xd->plane[i];
+ pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x];
+ pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y];
+ }
+}
+
+static INLINE int calc_mi_size(int len) {
+ // len is in mi units.
+ return len + MI_BLOCK_SIZE;
+}
+
+static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
+ int mi_row, int bh,
+ int mi_col, int bw,
+ int mi_rows, int mi_cols) {
+ xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
+ xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8;
+ xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
+ xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8;
+
+ // Are edges available for intra prediction?
+ xd->up_available = (mi_row != 0);
+ xd->left_available = (mi_col > tile->mi_col_start);
+ if (xd->up_available) {
+ xd->above_mi = xd->mi[-xd->mi_stride];
+ // above_mi may be NULL in VP9 encoder's first pass.
+ xd->above_mbmi = xd->above_mi ? &xd->above_mi->mbmi : NULL;
+ } else {
+ xd->above_mi = NULL;
+ xd->above_mbmi = NULL;
+ }
+
+ if (xd->left_available) {
+ xd->left_mi = xd->mi[-1];
+ // left_mi may be NULL in VP9 encoder's first pass.
+ xd->left_mbmi = xd->left_mi ? &xd->left_mi->mbmi : NULL;
+ } else {
+ xd->left_mi = NULL;
+ xd->left_mbmi = NULL;
+ }
+}
+
+static INLINE void update_partition_context(MACROBLOCKD *xd,
+ int mi_row, int mi_col,
+ BLOCK_SIZE subsize,
+ BLOCK_SIZE bsize) {
+ PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col;
+ PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
+
+ // num_4x4_blocks_wide_lookup[bsize] / 2
+ const int bs = num_8x8_blocks_wide_lookup[bsize];
+
+ // update the partition context at the end notes. set partition bits
+ // of block sizes larger than the current one to be one, and partition
+ // bits of smaller block sizes to be zero.
+ memset(above_ctx, partition_context_lookup[subsize].above, bs);
+ memset(left_ctx, partition_context_lookup[subsize].left, bs);
+}
+
+static INLINE int partition_plane_context(const MACROBLOCKD *xd,
+ int mi_row, int mi_col,
+ BLOCK_SIZE bsize) {
+ const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col;
+ const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
+ const int bsl = mi_width_log2_lookup[bsize];
+ int above = (*above_ctx >> bsl) & 1 , left = (*left_ctx >> bsl) & 1;
+
+ assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]);
+ assert(bsl >= 0);
+
+ return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
+}
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VP9_COMMON_VP9_ONYXC_INT_H_
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