355 lines
11 KiB
C
355 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_quant_common.h"
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#if CONFIG_POSTPROC
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#include "vp9/common/vp9_postproc.h"
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#endif
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#define ALLOWED_REFS_PER_FRAME 3
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#define NUM_REF_FRAMES_LOG2 3
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#define NUM_REF_FRAMES (1 << NUM_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 NUM_YV12_BUFFERS (NUM_REF_FRAMES + 4)
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#define NUM_FRAME_CONTEXTS_LOG2 2
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#define NUM_FRAME_CONTEXTS (1 << NUM_FRAME_CONTEXTS_LOG2)
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typedef struct frame_contexts {
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// y_mode, uv_mode, partition
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vp9_prob y_mode_prob[BLOCK_SIZE_GROUPS][VP9_INTRA_MODES - 1];
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vp9_prob uv_mode_prob[VP9_INTRA_MODES][VP9_INTRA_MODES - 1];
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vp9_prob partition_prob[NUM_FRAME_TYPES][NUM_PARTITION_CONTEXTS]
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[PARTITION_TYPES - 1];
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vp9_prob pre_y_mode_prob[BLOCK_SIZE_GROUPS][VP9_INTRA_MODES - 1];
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vp9_prob pre_uv_mode_prob[VP9_INTRA_MODES][VP9_INTRA_MODES - 1];
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vp9_prob pre_partition_prob[NUM_PARTITION_CONTEXTS][PARTITION_TYPES - 1];
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unsigned int y_mode_counts[BLOCK_SIZE_GROUPS][VP9_INTRA_MODES];
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unsigned int uv_mode_counts[VP9_INTRA_MODES][VP9_INTRA_MODES];
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unsigned int partition_counts[NUM_PARTITION_CONTEXTS][PARTITION_TYPES];
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// coeff
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vp9_coeff_probs_model coef_probs[TX_SIZE_MAX_SB][BLOCK_TYPES];
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vp9_coeff_probs_model pre_coef_probs[TX_SIZE_MAX_SB][BLOCK_TYPES];
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vp9_coeff_count_model coef_counts[TX_SIZE_MAX_SB][BLOCK_TYPES];
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unsigned int eob_branch_counts[TX_SIZE_MAX_SB][BLOCK_TYPES][REF_TYPES]
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[COEF_BANDS][PREV_COEF_CONTEXTS];
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// switchable_interp
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vp9_prob switchable_interp_prob[VP9_SWITCHABLE_FILTERS + 1]
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[VP9_SWITCHABLE_FILTERS - 1];
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vp9_prob pre_switchable_interp_prob[VP9_SWITCHABLE_FILTERS + 1]
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[VP9_SWITCHABLE_FILTERS - 1];
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unsigned int switchable_interp_count[VP9_SWITCHABLE_FILTERS + 1]
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[VP9_SWITCHABLE_FILTERS];
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// inter_mode
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vp9_prob inter_mode_probs[INTER_MODE_CONTEXTS][VP9_INTER_MODES - 1];
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vp9_prob pre_inter_mode_probs[INTER_MODE_CONTEXTS][VP9_INTER_MODES - 1];
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unsigned int inter_mode_counts[INTER_MODE_CONTEXTS][VP9_INTER_MODES - 1][2];
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// intra_inter, comp_inter, single_ref, comp_ref
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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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vp9_prob pre_intra_inter_prob[INTRA_INTER_CONTEXTS];
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vp9_prob pre_comp_inter_prob[COMP_INTER_CONTEXTS];
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vp9_prob pre_single_ref_prob[REF_CONTEXTS][2];
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vp9_prob pre_comp_ref_prob[REF_CONTEXTS];
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unsigned int intra_inter_count[INTRA_INTER_CONTEXTS][2];
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unsigned int comp_inter_count[COMP_INTER_CONTEXTS][2];
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unsigned int single_ref_count[REF_CONTEXTS][2][2];
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unsigned int comp_ref_count[REF_CONTEXTS][2];
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// tx_probs
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struct tx_probs tx_probs;
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struct tx_probs pre_tx_probs;
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struct tx_counts tx_counts;
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// mbskip
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vp9_prob mbskip_probs[MBSKIP_CONTEXTS];
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vp9_prob pre_mbskip_probs[MBSKIP_CONTEXTS];
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unsigned int mbskip_count[MBSKIP_CONTEXTS][2];
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// mv
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nmv_context nmvc;
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nmv_context pre_nmvc;
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nmv_context_counts NMVcount;
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} FRAME_CONTEXT;
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typedef enum {
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SINGLE_PREDICTION_ONLY = 0,
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COMP_PREDICTION_ONLY = 1,
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HYBRID_PREDICTION = 2,
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NB_PREDICTION_TYPES = 3,
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} COMPPREDMODE_TYPE;
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typedef enum {
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ONLY_4X4 = 0,
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ALLOW_8X8 = 1,
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ALLOW_16X16 = 2,
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ALLOW_32X32 = 3,
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TX_MODE_SELECT = 4,
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NB_TXFM_MODES = 5,
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} TXFM_MODE;
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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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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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YV12_BUFFER_CONFIG yv12_fb[NUM_YV12_BUFFERS];
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int fb_idx_ref_cnt[NUM_YV12_BUFFERS]; /* reference counts */
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int ref_frame_map[NUM_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 ALLOWED_REFS_PER_FRAME buffers
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int active_ref_idx[ALLOWED_REFS_PER_FRAME];
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struct scale_factors active_ref_scale[ALLOWED_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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YV12_BUFFER_CONFIG temp_scale_frame;
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FRAME_TYPE last_frame_type; /* Save 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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// Flag signaling that the frame is encoded using only INTRA modes.
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int intra_only;
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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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TXFM_MODE txfm_mode;
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int base_qindex;
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int last_kf_gf_q; /* Q used on the last GF or KF */
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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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unsigned int frames_since_golden;
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unsigned int frames_till_alt_ref_frame;
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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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// Persistent mb segment id map used in prediction.
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unsigned char *last_frame_seg_map;
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INTERPOLATIONFILTERTYPE mcomp_filter_type;
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loop_filter_info_n lf_info;
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int filter_level;
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int last_sharpness_level;
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int sharpness_level;
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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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/* Y,U,V */
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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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// partition contexts
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PARTITION_CONTEXT *above_seg_context;
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PARTITION_CONTEXT left_seg_context[8];
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/* keyframe block modes are predicted by their above, left neighbors */
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vp9_prob kf_y_mode_prob[VP9_INTRA_MODES]
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[VP9_INTRA_MODES]
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[VP9_INTRA_MODES - 1];
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vp9_prob kf_uv_mode_prob[VP9_INTRA_MODES] [VP9_INTRA_MODES - 1];
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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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COMPPREDMODE_TYPE comp_pred_mode;
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FRAME_CONTEXT fc; /* this frame entropy */
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FRAME_CONTEXT frame_contexts[NUM_FRAME_CONTEXTS];
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unsigned int frame_context_idx; /* Context to use/update */
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unsigned int current_video_frame;
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int version;
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#if CONFIG_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 tile_columns, log2_tile_columns;
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int cur_tile_mi_col_start, cur_tile_mi_col_end, cur_tile_col_idx;
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int tile_rows, log2_tile_rows;
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int cur_tile_mi_row_start, cur_tile_mi_row_end, cur_tile_row_idx;
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} VP9_COMMON;
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static int get_free_fb(VP9_COMMON *cm) {
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int i;
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for (i = 0; i < NUM_YV12_BUFFERS; i++)
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if (cm->fb_idx_ref_cnt[i] == 0)
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break;
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assert(i < NUM_YV12_BUFFERS);
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cm->fb_idx_ref_cnt[i] = 1;
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return i;
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}
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static void ref_cnt_fb(int *buf, int *idx, int new_idx) {
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if (buf[*idx] > 0)
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buf[*idx]--;
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*idx = new_idx;
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buf[new_idx]++;
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}
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static int mi_cols_aligned_to_sb(int n_mis) {
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return ALIGN_POWER_OF_TWO(n_mis, LOG2_MI_BLOCK_SIZE);
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}
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static INLINE void set_partition_seg_context(VP9_COMMON *cm, MACROBLOCKD *xd,
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int mi_row, int mi_col) {
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xd->above_seg_context = cm->above_seg_context + mi_col;
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xd->left_seg_context = cm->left_seg_context + (mi_row & MI_MASK);
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}
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static int check_bsize_coverage(VP9_COMMON *cm, MACROBLOCKD *xd,
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int mi_row, int mi_col,
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BLOCK_SIZE_TYPE bsize) {
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int bsl = mi_width_log2(bsize), bs = 1 << bsl;
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int ms = bs / 2;
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if ((mi_row + ms < cm->mi_rows) && (mi_col + ms < cm->mi_cols))
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return 0;
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// frame width/height are multiples of 8, hence 8x8 block should always
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// pass the above check
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assert(bsize > BLOCK_SIZE_SB8X8);
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// return the node index in the prob tree for binary coding
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// only allow horizontal/split partition types
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if ((mi_col + ms < cm->mi_cols) && (mi_row + ms >= cm->mi_rows))
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return 1;
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// only allow vertical/split partition types
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if ((mi_row + ms < cm->mi_rows) && (mi_col + ms >= cm->mi_cols))
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return 2;
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return -1;
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}
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static void set_mi_row_col(VP9_COMMON *cm, MACROBLOCKD *xd,
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int mi_row, int bh,
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int mi_col, int bw) {
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xd->mb_to_top_edge = -((mi_row * MI_SIZE) << 3);
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xd->mb_to_bottom_edge = ((cm->mi_rows - bh - mi_row) * MI_SIZE) << 3;
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xd->mb_to_left_edge = -((mi_col * MI_SIZE) << 3);
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xd->mb_to_right_edge = ((cm->mi_cols - bw - mi_col) * MI_SIZE) << 3;
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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 > cm->cur_tile_mi_col_start);
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xd->right_available = (mi_col + bw < cm->cur_tile_mi_col_end);
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}
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static int get_mi_row(const MACROBLOCKD *xd) {
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return ((-xd->mb_to_top_edge) >> (3 + LOG2_MI_SIZE));
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}
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static int get_mi_col(const MACROBLOCKD *xd) {
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return ((-xd->mb_to_left_edge) >> (3 + LOG2_MI_SIZE));
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}
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static int get_token_alloc(int mb_rows, int mb_cols) {
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return mb_rows * mb_cols * (48 * 16 + 4);
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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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#endif // VP9_COMMON_VP9_ONYXC_INT_H_
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