2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
11 #ifndef VP10_COMMON_ONYXC_INT_H_
12 #define VP10_COMMON_ONYXC_INT_H_
14 #include "./vpx_config.h"
15 #include "vpx/internal/vpx_codec_internal.h"
16 #include "vpx_util/vpx_thread.h"
17 #include "./vp10_rtcd.h"
18 #include "vp10/common/alloccommon.h"
19 #include "vp10/common/loopfilter.h"
20 #include "vp10/common/entropymv.h"
21 #include "vp10/common/entropy.h"
22 #include "vp10/common/entropymode.h"
23 #include "vp10/common/frame_buffers.h"
24 #include "vp10/common/quant_common.h"
25 #include "vp10/common/tile_common.h"
27 #if CONFIG_VP9_POSTPROC
28 #include "vp10/common/postproc.h"
35 #define REFS_PER_FRAME (ALTREF_FRAME - LAST_FRAME + 1)
37 #define REF_FRAMES_LOG2 3
38 #define REF_FRAMES (1 << REF_FRAMES_LOG2)
40 // 4 scratch frames for the new frames to support a maximum of 4 cores decoding
41 // in parallel, 3 for scaled references on the encoder.
42 // TODO(hkuang): Add ondemand frame buffers instead of hardcoding the number
44 // TODO(jkoleszar): These 3 extra references could probably come from the
45 // normal reference pool.
46 #define FRAME_BUFFERS (REF_FRAMES + 7)
48 #define FRAME_CONTEXTS_LOG2 2
49 #define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2)
51 #define NUM_PING_PONG_BUFFERS 2
55 COMPOUND_REFERENCE = 1,
56 REFERENCE_MODE_SELECT = 2,
61 RESET_FRAME_CONTEXT_NONE = 0,
62 RESET_FRAME_CONTEXT_CURRENT = 1,
63 RESET_FRAME_CONTEXT_ALL = 2,
64 } RESET_FRAME_CONTEXT_MODE;
68 * Don't update frame context
70 REFRESH_FRAME_CONTEXT_OFF,
72 * Update frame context to values resulting from forward probability
73 * updates signaled in the frame header
75 REFRESH_FRAME_CONTEXT_FORWARD,
77 * Update frame context to values resulting from backward probability
78 * updates based on entropy/counts in the decoded frame
80 REFRESH_FRAME_CONTEXT_BACKWARD,
81 } REFRESH_FRAME_CONTEXT_MODE;
85 MV_REFERENCE_FRAME ref_frame[2];
93 vpx_codec_frame_buffer_t raw_frame_buffer;
94 YV12_BUFFER_CONFIG buf;
96 // The Following variables will only be used in frame parallel decode.
98 // frame_worker_owner indicates which FrameWorker owns this buffer. NULL means
99 // that no FrameWorker owns, or is decoding, this buffer.
100 VPxWorker *frame_worker_owner;
102 // row and col indicate which position frame has been decoded to in real
103 // pixel unit. They are reset to -1 when decoding begins and set to INT_MAX
104 // when the frame is fully decoded.
109 typedef struct BufferPool {
110 // Protect BufferPool from being accessed by several FrameWorkers at
111 // the same time during frame parallel decode.
112 // TODO(hkuang): Try to use atomic variable instead of locking the whole pool.
113 #if CONFIG_MULTITHREAD
114 pthread_mutex_t pool_mutex;
117 // Private data associated with the frame buffer callbacks.
120 vpx_get_frame_buffer_cb_fn_t get_fb_cb;
121 vpx_release_frame_buffer_cb_fn_t release_fb_cb;
123 RefCntBuffer frame_bufs[FRAME_BUFFERS];
125 // Frame buffers allocated internally by the codec.
126 InternalFrameBufferList int_frame_buffers;
129 typedef struct VP10Common {
130 struct vpx_internal_error_info error;
131 vpx_color_space_t color_space;
140 // TODO(jkoleszar): this implies chroma ss right now, but could vary per
141 // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to
142 // support additional planes.
146 #if CONFIG_VP9_HIGHBITDEPTH
147 int use_highbitdepth; // Marks if we need to use 16bit frame buffers.
150 YV12_BUFFER_CONFIG *frame_to_show;
151 RefCntBuffer *prev_frame;
153 // TODO(hkuang): Combine this with cur_buf in macroblockd.
154 RefCntBuffer *cur_frame;
156 int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */
158 // Prepare ref_frame_map for the next frame.
159 // Only used in frame parallel decode.
160 int next_ref_frame_map[REF_FRAMES];
162 // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
163 // roll new_fb_idx into it.
165 // Each frame can reference REFS_PER_FRAME buffers
166 RefBuffer frame_refs[REFS_PER_FRAME];
170 #if CONFIG_VP9_POSTPROC
171 YV12_BUFFER_CONFIG post_proc_buffer;
172 YV12_BUFFER_CONFIG post_proc_buffer_int;
175 FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
176 FRAME_TYPE frame_type;
180 int show_existing_frame;
182 // Flag signaling that the frame is encoded using only INTRA modes.
184 uint8_t last_intra_only;
186 int allow_high_precision_mv;
188 // Flag signaling which frame contexts should be reset to default values.
189 RESET_FRAME_CONTEXT_MODE reset_frame_context;
191 // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in
192 // MODE_INFO (8-pixel) units.
194 int mb_rows, mi_rows;
195 int mb_cols, mi_cols;
198 /* profile settings */
205 int16_t y_dequant[MAX_SEGMENTS][2];
206 int16_t uv_dequant[MAX_SEGMENTS][2];
208 /* We allocate a MODE_INFO struct for each macroblock, together with
209 an extra row on top and column on the left to simplify prediction. */
211 MODE_INFO *mip; /* Base of allocated array */
212 MODE_INFO *mi; /* Corresponds to upper left visible macroblock */
214 // TODO(agrange): Move prev_mi into encoder structure.
215 // prev_mip and prev_mi will only be allocated in VP9 encoder.
216 MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
217 MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */
219 // Separate mi functions between encoder and decoder.
220 int (*alloc_mi)(struct VP10Common *cm, int mi_size);
221 void (*free_mi)(struct VP10Common *cm);
222 void (*setup_mi)(struct VP10Common *cm);
224 // Grid of pointers to 8x8 MODE_INFO structs. Any 8x8 not in the visible
225 // area will be NULL.
226 MODE_INFO **mi_grid_base;
227 MODE_INFO **mi_grid_visible;
228 MODE_INFO **prev_mi_grid_base;
229 MODE_INFO **prev_mi_grid_visible;
231 // Whether to use previous frame's motion vectors for prediction.
232 int use_prev_frame_mvs;
234 // Persistent mb segment id map used in prediction.
236 int prev_seg_map_idx;
238 uint8_t *seg_map_array[NUM_PING_PONG_BUFFERS];
239 uint8_t *last_frame_seg_map;
240 uint8_t *current_frame_seg_map;
241 int seg_map_alloc_size;
243 INTERP_FILTER interp_filter;
245 loop_filter_info_n lf_info;
247 // Flag signaling how frame contexts should be updated at the end of
249 REFRESH_FRAME_CONTEXT_MODE refresh_frame_context;
251 int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */
253 struct loopfilter lf;
254 struct segmentation seg;
256 int frame_parallel_decode; // frame-based threading.
258 // Context probabilities for reference frame prediction
259 MV_REFERENCE_FRAME comp_fixed_ref;
260 MV_REFERENCE_FRAME comp_var_ref[2];
261 REFERENCE_MODE reference_mode;
263 FRAME_CONTEXT *fc; /* this frame entropy */
264 FRAME_CONTEXT *frame_contexts; // FRAME_CONTEXTS
265 unsigned int frame_context_idx; /* Context to use/update */
268 unsigned int current_video_frame;
269 BITSTREAM_PROFILE profile;
271 // VPX_BITS_8 in profile 0 or 1, VPX_BITS_10 or VPX_BITS_12 in profile 2 or 3.
272 vpx_bit_depth_t bit_depth;
273 vpx_bit_depth_t dequant_bit_depth; // bit_depth of current dequantizer
275 #if CONFIG_VP9_POSTPROC
276 struct postproc_state postproc_state;
279 int error_resilient_mode;
281 int log2_tile_cols, log2_tile_rows;
283 int skip_loop_filter;
285 // Private data associated with the frame buffer callbacks.
287 vpx_get_frame_buffer_cb_fn_t get_fb_cb;
288 vpx_release_frame_buffer_cb_fn_t release_fb_cb;
290 // Handles memory for the codec.
291 InternalFrameBufferList int_frame_buffers;
293 // External BufferPool passed from outside.
294 BufferPool *buffer_pool;
296 PARTITION_CONTEXT *above_seg_context;
297 ENTROPY_CONTEXT *above_context;
298 int above_context_alloc_cols;
301 // TODO(hkuang): Don't need to lock the whole pool after implementing atomic
302 // frame reference count.
303 static void lock_buffer_pool(BufferPool *const pool) {
304 #if CONFIG_MULTITHREAD
305 pthread_mutex_lock(&pool->pool_mutex);
311 static void unlock_buffer_pool(BufferPool *const pool) {
312 #if CONFIG_MULTITHREAD
313 pthread_mutex_unlock(&pool->pool_mutex);
319 static INLINE YV12_BUFFER_CONFIG *get_ref_frame(VP10_COMMON *cm, int index) {
320 if (index < 0 || index >= REF_FRAMES)
322 if (cm->ref_frame_map[index] < 0)
324 assert(cm->ref_frame_map[index] < FRAME_BUFFERS);
325 return &cm->buffer_pool->frame_bufs[cm->ref_frame_map[index]].buf;
328 static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP10_COMMON *cm) {
329 return &cm->buffer_pool->frame_bufs[cm->new_fb_idx].buf;
332 static INLINE int get_free_fb(VP10_COMMON *cm) {
333 RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
336 lock_buffer_pool(cm->buffer_pool);
337 for (i = 0; i < FRAME_BUFFERS; ++i)
338 if (frame_bufs[i].ref_count == 0)
341 if (i != FRAME_BUFFERS) {
342 frame_bufs[i].ref_count = 1;
344 // Reset i to be INVALID_IDX to indicate no free buffer found.
348 unlock_buffer_pool(cm->buffer_pool);
352 static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) {
353 const int ref_index = *idx;
355 if (ref_index >= 0 && bufs[ref_index].ref_count > 0)
356 bufs[ref_index].ref_count--;
360 bufs[new_idx].ref_count++;
363 static INLINE int mi_cols_aligned_to_sb(int n_mis) {
364 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2);
367 static INLINE int frame_is_intra_only(const VP10_COMMON *const cm) {
368 return cm->frame_type == KEY_FRAME || cm->intra_only;
371 static INLINE void set_partition_probs(const VP10_COMMON *const cm,
372 MACROBLOCKD *const xd) {
373 xd->partition_probs =
374 frame_is_intra_only(cm) ?
375 &vp10_kf_partition_probs[0] :
376 (const vpx_prob (*)[PARTITION_TYPES - 1])cm->fc->partition_prob;
379 static INLINE void vp10_init_macroblockd(VP10_COMMON *cm, MACROBLOCKD *xd,
380 tran_low_t *dqcoeff) {
383 for (i = 0; i < MAX_MB_PLANE; ++i) {
384 xd->plane[i].dqcoeff = dqcoeff;
385 xd->above_context[i] = cm->above_context +
386 i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols);
388 if (xd->plane[i].plane_type == PLANE_TYPE_Y) {
389 memcpy(xd->plane[i].seg_dequant, cm->y_dequant, sizeof(cm->y_dequant));
391 memcpy(xd->plane[i].seg_dequant, cm->uv_dequant, sizeof(cm->uv_dequant));
396 xd->above_seg_context = cm->above_seg_context;
397 xd->mi_stride = cm->mi_stride;
398 xd->error_info = &cm->error;
400 set_partition_probs(cm, xd);
403 static INLINE const vpx_prob* get_partition_probs(const MACROBLOCKD *xd,
405 return xd->partition_probs[ctx];
408 static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) {
409 const int above_idx = mi_col * 2;
410 const int left_idx = (mi_row * 2) & 15;
412 for (i = 0; i < MAX_MB_PLANE; ++i) {
413 struct macroblockd_plane *const pd = &xd->plane[i];
414 pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x];
415 pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y];
419 static INLINE int calc_mi_size(int len) {
420 // len is in mi units.
421 return len + MI_BLOCK_SIZE;
424 static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
427 int mi_rows, int mi_cols) {
428 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
429 xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8;
430 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
431 xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8;
433 // Are edges available for intra prediction?
434 xd->up_available = (mi_row != 0);
435 xd->left_available = (mi_col > tile->mi_col_start);
436 if (xd->up_available) {
437 xd->above_mi = xd->mi[-xd->mi_stride];
438 // above_mi may be NULL in VP9 encoder's first pass.
439 xd->above_mbmi = xd->above_mi ? &xd->above_mi->mbmi : NULL;
442 xd->above_mbmi = NULL;
445 if (xd->left_available) {
446 xd->left_mi = xd->mi[-1];
447 // left_mi may be NULL in VP9 encoder's first pass.
448 xd->left_mbmi = xd->left_mi ? &xd->left_mi->mbmi : NULL;
451 xd->left_mbmi = NULL;
455 static INLINE void update_partition_context(MACROBLOCKD *xd,
456 int mi_row, int mi_col,
459 PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col;
460 PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
462 // num_4x4_blocks_wide_lookup[bsize] / 2
463 const int bs = num_8x8_blocks_wide_lookup[bsize];
465 // update the partition context at the end notes. set partition bits
466 // of block sizes larger than the current one to be one, and partition
467 // bits of smaller block sizes to be zero.
468 memset(above_ctx, partition_context_lookup[subsize].above, bs);
469 memset(left_ctx, partition_context_lookup[subsize].left, bs);
472 static INLINE int partition_plane_context(const MACROBLOCKD *xd,
473 int mi_row, int mi_col,
475 const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col;
476 const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
477 const int bsl = mi_width_log2_lookup[bsize];
478 int above = (*above_ctx >> bsl) & 1 , left = (*left_ctx >> bsl) & 1;
480 assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]);
483 return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
490 #endif // VP10_COMMON_ONYXC_INT_H_