364 lines
11 KiB
C
364 lines
11 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_COMMON_VP9_ONYXC_INT_H_
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#define VP9_COMMON_VP9_ONYXC_INT_H_
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#include "./vpx_config.h"
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#include "vpx/internal/vpx_codec_internal.h"
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#include "./vp9_rtcd.h"
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#include "vp9/common/vp9_loopfilter.h"
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#include "vp9/common/vp9_entropymv.h"
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#include "vp9/common/vp9_entropy.h"
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#include "vp9/common/vp9_entropymode.h"
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#include "vp9/common/vp9_frame_buffers.h"
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#include "vp9/common/vp9_quant_common.h"
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#include "vp9/common/vp9_tile_common.h"
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#if CONFIG_VP9_POSTPROC
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#include "vp9/common/vp9_postproc.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define REFS_PER_FRAME 3
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#define REF_FRAMES_LOG2 3
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#define REF_FRAMES (1 << REF_FRAMES_LOG2)
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// 1 scratch frame for the new frame, 3 for scaled references on the encoder
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// TODO(jkoleszar): These 3 extra references could probably come from the
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// normal reference pool.
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#define FRAME_BUFFERS (REF_FRAMES + 4)
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#define FRAME_CONTEXTS_LOG2 2
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#define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2)
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extern const struct {
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PARTITION_CONTEXT above;
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PARTITION_CONTEXT left;
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} partition_context_lookup[BLOCK_SIZES];
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typedef struct frame_contexts {
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vp9_prob y_mode_prob[BLOCK_SIZE_GROUPS][INTRA_MODES - 1];
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vp9_prob uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];
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vp9_prob partition_prob[PARTITION_CONTEXTS][PARTITION_TYPES - 1];
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vp9_coeff_probs_model coef_probs[TX_SIZES][PLANE_TYPES];
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vp9_prob switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS]
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[SWITCHABLE_FILTERS - 1];
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vp9_prob inter_mode_probs[INTER_MODE_CONTEXTS][INTER_MODES - 1];
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vp9_prob intra_inter_prob[INTRA_INTER_CONTEXTS];
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vp9_prob comp_inter_prob[COMP_INTER_CONTEXTS];
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vp9_prob single_ref_prob[REF_CONTEXTS][2];
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vp9_prob comp_ref_prob[REF_CONTEXTS];
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struct tx_probs tx_probs;
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vp9_prob skip_probs[SKIP_CONTEXTS];
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nmv_context nmvc;
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} FRAME_CONTEXT;
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typedef struct {
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unsigned int y_mode[BLOCK_SIZE_GROUPS][INTRA_MODES];
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unsigned int uv_mode[INTRA_MODES][INTRA_MODES];
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unsigned int partition[PARTITION_CONTEXTS][PARTITION_TYPES];
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vp9_coeff_count_model coef[TX_SIZES][PLANE_TYPES];
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unsigned int eob_branch[TX_SIZES][PLANE_TYPES][REF_TYPES]
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[COEF_BANDS][COEFF_CONTEXTS];
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unsigned int switchable_interp[SWITCHABLE_FILTER_CONTEXTS]
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[SWITCHABLE_FILTERS];
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unsigned int inter_mode[INTER_MODE_CONTEXTS][INTER_MODES];
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unsigned int intra_inter[INTRA_INTER_CONTEXTS][2];
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unsigned int comp_inter[COMP_INTER_CONTEXTS][2];
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unsigned int single_ref[REF_CONTEXTS][2][2];
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unsigned int comp_ref[REF_CONTEXTS][2];
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struct tx_counts tx;
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unsigned int skip[SKIP_CONTEXTS][2];
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nmv_context_counts mv;
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} FRAME_COUNTS;
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typedef enum {
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SINGLE_REFERENCE = 0,
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COMPOUND_REFERENCE = 1,
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REFERENCE_MODE_SELECT = 2,
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REFERENCE_MODES = 3,
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} REFERENCE_MODE;
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typedef struct {
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int ref_count;
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vpx_codec_frame_buffer_t raw_frame_buffer;
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YV12_BUFFER_CONFIG buf;
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} RefCntBuffer;
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typedef struct VP9Common {
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struct vpx_internal_error_info error;
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DECLARE_ALIGNED(16, int16_t, y_dequant[QINDEX_RANGE][8]);
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DECLARE_ALIGNED(16, int16_t, uv_dequant[QINDEX_RANGE][8]);
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#if CONFIG_ALPHA
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DECLARE_ALIGNED(16, int16_t, a_dequant[QINDEX_RANGE][8]);
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#endif
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COLOR_SPACE color_space;
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int width;
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int height;
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int display_width;
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int display_height;
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int last_width;
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int last_height;
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// TODO(jkoleszar): this implies chroma ss right now, but could vary per
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// plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to
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// support additional planes.
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int subsampling_x;
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int subsampling_y;
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YV12_BUFFER_CONFIG *frame_to_show;
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RefCntBuffer frame_bufs[FRAME_BUFFERS];
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int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */
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// TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
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// roll new_fb_idx into it.
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// Each frame can reference REFS_PER_FRAME buffers
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RefBuffer frame_refs[REFS_PER_FRAME];
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int new_fb_idx;
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YV12_BUFFER_CONFIG post_proc_buffer;
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FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
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FRAME_TYPE frame_type;
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int show_frame;
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int last_show_frame;
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int show_existing_frame;
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// Flag signaling that the frame is encoded using only INTRA modes.
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int intra_only;
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int allow_high_precision_mv;
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// Flag signaling that the frame context should be reset to default values.
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// 0 or 1 implies don't reset, 2 reset just the context specified in the
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// frame header, 3 reset all contexts.
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int reset_frame_context;
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int frame_flags;
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// MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in
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// MODE_INFO (8-pixel) units.
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int MBs;
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int mb_rows, mi_rows;
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int mb_cols, mi_cols;
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int mode_info_stride;
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/* profile settings */
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TX_MODE tx_mode;
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int base_qindex;
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int y_dc_delta_q;
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int uv_dc_delta_q;
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int uv_ac_delta_q;
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#if CONFIG_ALPHA
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int a_dc_delta_q;
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int a_ac_delta_q;
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#endif
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/* We allocate a MODE_INFO struct for each macroblock, together with
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an extra row on top and column on the left to simplify prediction. */
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MODE_INFO *mip; /* Base of allocated array */
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MODE_INFO *mi; /* Corresponds to upper left visible macroblock */
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MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
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MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */
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MODE_INFO **mi_grid_base;
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MODE_INFO **mi_grid_visible;
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MODE_INFO **prev_mi_grid_base;
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MODE_INFO **prev_mi_grid_visible;
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// Persistent mb segment id map used in prediction.
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unsigned char *last_frame_seg_map;
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INTERP_FILTER interp_filter;
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loop_filter_info_n lf_info;
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int refresh_frame_context; /* Two state 0 = NO, 1 = YES */
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int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */
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struct loopfilter lf;
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struct segmentation seg;
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// Context probabilities for reference frame prediction
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int allow_comp_inter_inter;
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MV_REFERENCE_FRAME comp_fixed_ref;
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MV_REFERENCE_FRAME comp_var_ref[2];
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REFERENCE_MODE reference_mode;
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FRAME_CONTEXT fc; /* this frame entropy */
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FRAME_CONTEXT frame_contexts[FRAME_CONTEXTS];
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unsigned int frame_context_idx; /* Context to use/update */
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FRAME_COUNTS counts;
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unsigned int current_video_frame;
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int version;
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#if CONFIG_VP9_POSTPROC
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struct postproc_state postproc_state;
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#endif
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int error_resilient_mode;
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int frame_parallel_decoding_mode;
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int log2_tile_cols, log2_tile_rows;
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// Private data associated with the frame buffer callbacks.
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void *cb_priv;
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vpx_get_frame_buffer_cb_fn_t get_fb_cb;
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vpx_release_frame_buffer_cb_fn_t release_fb_cb;
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// Handles memory for the codec.
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InternalFrameBufferList int_frame_buffers;
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} VP9_COMMON;
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static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) {
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return &cm->frame_bufs[cm->new_fb_idx].buf;
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}
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static INLINE int get_free_fb(VP9_COMMON *cm) {
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int i;
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for (i = 0; i < FRAME_BUFFERS; i++)
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if (cm->frame_bufs[i].ref_count == 0)
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break;
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assert(i < FRAME_BUFFERS);
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cm->frame_bufs[i].ref_count = 1;
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return i;
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}
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static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) {
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const int ref_index = *idx;
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if (ref_index >= 0 && bufs[ref_index].ref_count > 0)
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bufs[ref_index].ref_count--;
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*idx = new_idx;
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bufs[new_idx].ref_count++;
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}
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static INLINE int mi_cols_aligned_to_sb(int n_mis) {
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return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2);
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}
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static INLINE const vp9_prob* get_partition_probs(VP9_COMMON *cm, int ctx) {
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return cm->frame_type == KEY_FRAME ? vp9_kf_partition_probs[ctx]
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: cm->fc.partition_prob[ctx];
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}
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static INLINE void set_skip_context(
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MACROBLOCKD *xd,
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ENTROPY_CONTEXT *above_context[MAX_MB_PLANE],
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ENTROPY_CONTEXT left_context[MAX_MB_PLANE][16],
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int mi_row, int mi_col) {
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const int above_idx = mi_col * 2;
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const int left_idx = (mi_row * 2) & 15;
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int i;
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for (i = 0; i < MAX_MB_PLANE; i++) {
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struct macroblockd_plane *const pd = &xd->plane[i];
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pd->above_context = above_context[i] + (above_idx >> pd->subsampling_x);
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pd->left_context = left_context[i] + (left_idx >> pd->subsampling_y);
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}
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}
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static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
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int mi_row, int bh,
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int mi_col, int bw,
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int mi_rows, int mi_cols) {
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xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
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xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8;
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xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
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xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8;
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// Are edges available for intra prediction?
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xd->up_available = (mi_row != 0);
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xd->left_available = (mi_col > tile->mi_col_start);
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}
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static void set_prev_mi(VP9_COMMON *cm) {
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const int use_prev_in_find_mv_refs = cm->width == cm->last_width &&
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cm->height == cm->last_height &&
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!cm->error_resilient_mode &&
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!cm->intra_only &&
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cm->last_show_frame;
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// Special case: set prev_mi to NULL when the previous mode info
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// context cannot be used.
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cm->prev_mi = use_prev_in_find_mv_refs ?
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cm->prev_mip + cm->mode_info_stride + 1 : NULL;
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}
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static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) {
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return cm->frame_type == KEY_FRAME || cm->intra_only;
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}
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static INLINE void update_partition_context(
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PARTITION_CONTEXT *above_seg_context,
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PARTITION_CONTEXT left_seg_context[8],
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int mi_row, int mi_col, BLOCK_SIZE subsize, BLOCK_SIZE bsize) {
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PARTITION_CONTEXT *const above_ctx = above_seg_context + mi_col;
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PARTITION_CONTEXT *const left_ctx = left_seg_context + (mi_row & MI_MASK);
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// num_4x4_blocks_wide_lookup[bsize] / 2
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const int bs = num_8x8_blocks_wide_lookup[bsize];
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// update the partition context at the end notes. set partition bits
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// of block sizes larger than the current one to be one, and partition
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// bits of smaller block sizes to be zero.
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vpx_memset(above_ctx, partition_context_lookup[subsize].above, bs);
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vpx_memset(left_ctx, partition_context_lookup[subsize].left, bs);
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}
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static INLINE int partition_plane_context(
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const PARTITION_CONTEXT *above_seg_context,
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const PARTITION_CONTEXT left_seg_context[8],
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int mi_row, int mi_col, BLOCK_SIZE bsize) {
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const PARTITION_CONTEXT *above_ctx = above_seg_context + mi_col;
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const PARTITION_CONTEXT *left_ctx = left_seg_context + (mi_row & MI_MASK);
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const int bsl = mi_width_log2(bsize);
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const int bs = 1 << bsl;
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int above = 0, left = 0, i;
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assert(b_width_log2(bsize) == b_height_log2(bsize));
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assert(bsl >= 0);
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for (i = 0; i < bs; i++) {
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above |= above_ctx[i];
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left |= left_ctx[i];
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}
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above = (above & bs) > 0;
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left = (left & bs) > 0;
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return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
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}
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_COMMON_VP9_ONYXC_INT_H_
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