/* 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. */ #include <assert.h> #include "vp9/common/vp9_common.h" #include "vp9/common/vp9_entropy.h" #include "vp9/common/vp9_entropymode.h" #include "vp9/common/vp9_entropymv.h" #include "vp9/common/vp9_mvref_common.h" #include "vp9/common/vp9_pred_common.h" #include "vp9/common/vp9_reconinter.h" #include "vp9/common/vp9_seg_common.h" #include "vp9/decoder/vp9_decodemv.h" #include "vp9/decoder/vp9_decodeframe.h" #include "vpx_dsp/vpx_dsp_common.h" static PREDICTION_MODE read_intra_mode(vpx_reader *r, const vpx_prob *p) { … } static PREDICTION_MODE read_intra_mode_y(VP9_COMMON *cm, MACROBLOCKD *xd, vpx_reader *r, int size_group) { … } static PREDICTION_MODE read_intra_mode_uv(VP9_COMMON *cm, MACROBLOCKD *xd, vpx_reader *r, PREDICTION_MODE y_mode) { … } static PREDICTION_MODE read_inter_mode(VP9_COMMON *cm, MACROBLOCKD *xd, vpx_reader *r, int ctx) { … } static int read_segment_id(vpx_reader *r, const struct segmentation *seg) { … } static TX_SIZE read_selected_tx_size(VP9_COMMON *cm, MACROBLOCKD *xd, TX_SIZE max_tx_size, vpx_reader *r) { … } static INLINE TX_SIZE read_tx_size(VP9_COMMON *cm, MACROBLOCKD *xd, int allow_select, vpx_reader *r) { … } static int dec_get_segment_id(const VP9_COMMON *cm, const uint8_t *segment_ids, int mi_offset, int x_mis, int y_mis) { … } static void set_segment_id(VP9_COMMON *cm, int mi_offset, int x_mis, int y_mis, int segment_id) { … } static void copy_segment_id(const VP9_COMMON *cm, const uint8_t *last_segment_ids, uint8_t *current_segment_ids, int mi_offset, int x_mis, int y_mis) { … } static int read_intra_segment_id(VP9_COMMON *const cm, int mi_offset, int x_mis, int y_mis, vpx_reader *r) { … } static int read_inter_segment_id(VP9_COMMON *const cm, MACROBLOCKD *const xd, int mi_row, int mi_col, vpx_reader *r, int x_mis, int y_mis) { … } static int read_skip(VP9_COMMON *cm, const MACROBLOCKD *xd, int segment_id, vpx_reader *r) { … } static void read_intra_frame_mode_info(VP9_COMMON *const cm, MACROBLOCKD *const xd, int mi_row, int mi_col, vpx_reader *r, int x_mis, int y_mis) { … } static int read_mv_component(vpx_reader *r, const nmv_component *mvcomp, int usehp) { … } static INLINE void read_mv(vpx_reader *r, MV *mv, const MV *ref, const nmv_context *ctx, nmv_context_counts *counts, int allow_hp) { … } static REFERENCE_MODE read_block_reference_mode(VP9_COMMON *cm, const MACROBLOCKD *xd, vpx_reader *r) { … } // Read the reference frame static void read_ref_frames(VP9_COMMON *const cm, MACROBLOCKD *const xd, vpx_reader *r, int segment_id, MV_REFERENCE_FRAME ref_frame[2]) { … } static INLINE INTERP_FILTER read_switchable_interp_filter(VP9_COMMON *const cm, MACROBLOCKD *const xd, vpx_reader *r) { … } static void read_intra_block_mode_info(VP9_COMMON *const cm, MACROBLOCKD *const xd, MODE_INFO *mi, vpx_reader *r) { … } static INLINE int is_mv_valid(const MV *mv) { … } static INLINE void copy_mv_pair(int_mv *dst, const int_mv *src) { … } static INLINE void zero_mv_pair(int_mv *dst) { … } static INLINE int assign_mv(VP9_COMMON *cm, MACROBLOCKD *xd, PREDICTION_MODE mode, int_mv mv[2], int_mv ref_mv[2], int_mv near_nearest_mv[2], int is_compound, int allow_hp, vpx_reader *r) { … } static int read_is_inter_block(VP9_COMMON *const cm, MACROBLOCKD *const xd, int segment_id, vpx_reader *r) { … } // This macro is used to add a motion vector mv_ref list if it isn't // already in the list. If it's the second motion vector or early_break // it will also skip all additional processing and jump to Done! #define ADD_MV_REF_LIST_EB(mv, refmv_count, mv_ref_list, Done) … // If either reference frame is different, not INTRA, and they // are different from each other scale and add the mv to our list. #define IF_DIFF_REF_FRAME_ADD_MV_EB(mbmi, ref_frame, ref_sign_bias, \ refmv_count, mv_ref_list, Done) … // This function searches the neighborhood of a given MB/SB // to try and find candidate reference vectors. static int dec_find_mv_refs(const VP9_COMMON *cm, const MACROBLOCKD *xd, PREDICTION_MODE mode, MV_REFERENCE_FRAME ref_frame, const POSITION *const mv_ref_search, int_mv *mv_ref_list, int mi_row, int mi_col, int block) { … } static void append_sub8x8_mvs_for_idx(VP9_COMMON *cm, MACROBLOCKD *xd, const POSITION *const mv_ref_search, PREDICTION_MODE b_mode, int block, int ref, int mi_row, int mi_col, int_mv *best_sub8x8) { … } static uint8_t get_mode_context(const VP9_COMMON *cm, const MACROBLOCKD *xd, const POSITION *const mv_ref_search, int mi_row, int mi_col) { … } static void read_inter_block_mode_info(VP9Decoder *const pbi, MACROBLOCKD *const xd, MODE_INFO *const mi, int mi_row, int mi_col, vpx_reader *r) { … } static void read_inter_frame_mode_info(VP9Decoder *const pbi, MACROBLOCKD *const xd, int mi_row, int mi_col, vpx_reader *r, int x_mis, int y_mis) { … } static INLINE void copy_ref_frame_pair(MV_REFERENCE_FRAME *dst, const MV_REFERENCE_FRAME *src) { … } void vp9_read_mode_info(TileWorkerData *twd, VP9Decoder *const pbi, int mi_row, int mi_col, int x_mis, int y_mis) { … }
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