Line data Source code
1 : /*
2 : * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 : *
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.
9 : */
10 :
11 : #ifndef VP9_COMMON_VP9_ONYXC_INT_H_
12 : #define VP9_COMMON_VP9_ONYXC_INT_H_
13 :
14 : #include "./vpx_config.h"
15 : #include "vpx/internal/vpx_codec_internal.h"
16 : #include "vpx_util/vpx_thread.h"
17 : #include "./vp9_rtcd.h"
18 : #include "vp9/common/vp9_alloccommon.h"
19 : #include "vp9/common/vp9_loopfilter.h"
20 : #include "vp9/common/vp9_entropymv.h"
21 : #include "vp9/common/vp9_entropy.h"
22 : #include "vp9/common/vp9_entropymode.h"
23 : #include "vp9/common/vp9_frame_buffers.h"
24 : #include "vp9/common/vp9_quant_common.h"
25 : #include "vp9/common/vp9_tile_common.h"
26 :
27 : #if CONFIG_VP9_POSTPROC
28 : #include "vp9/common/vp9_postproc.h"
29 : #endif
30 :
31 : #ifdef __cplusplus
32 : extern "C" {
33 : #endif
34 :
35 : #define REFS_PER_FRAME 3
36 :
37 : #define REF_FRAMES_LOG2 3
38 : #define REF_FRAMES (1 << REF_FRAMES_LOG2)
39 :
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
43 : // of framebuffers.
44 : // TODO(jkoleszar): These 3 extra references could probably come from the
45 : // normal reference pool.
46 : #define FRAME_BUFFERS (REF_FRAMES + 7)
47 :
48 : #define FRAME_CONTEXTS_LOG2 2
49 : #define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2)
50 :
51 : #define NUM_PING_PONG_BUFFERS 2
52 :
53 : extern const struct {
54 : PARTITION_CONTEXT above;
55 : PARTITION_CONTEXT left;
56 : } partition_context_lookup[BLOCK_SIZES];
57 :
58 : typedef enum {
59 : SINGLE_REFERENCE = 0,
60 : COMPOUND_REFERENCE = 1,
61 : REFERENCE_MODE_SELECT = 2,
62 : REFERENCE_MODES = 3,
63 : } REFERENCE_MODE;
64 :
65 : typedef struct {
66 : int_mv mv[2];
67 : MV_REFERENCE_FRAME ref_frame[2];
68 : } MV_REF;
69 :
70 : typedef struct {
71 : int ref_count;
72 : MV_REF *mvs;
73 : int mi_rows;
74 : int mi_cols;
75 : vpx_codec_frame_buffer_t raw_frame_buffer;
76 : YV12_BUFFER_CONFIG buf;
77 :
78 : // The Following variables will only be used in frame parallel decode.
79 :
80 : // frame_worker_owner indicates which FrameWorker owns this buffer. NULL means
81 : // that no FrameWorker owns, or is decoding, this buffer.
82 : VPxWorker *frame_worker_owner;
83 :
84 : // row and col indicate which position frame has been decoded to in real
85 : // pixel unit. They are reset to -1 when decoding begins and set to INT_MAX
86 : // when the frame is fully decoded.
87 : int row;
88 : int col;
89 : } RefCntBuffer;
90 :
91 : typedef struct BufferPool {
92 : // Protect BufferPool from being accessed by several FrameWorkers at
93 : // the same time during frame parallel decode.
94 : // TODO(hkuang): Try to use atomic variable instead of locking the whole pool.
95 : #if CONFIG_MULTITHREAD
96 : pthread_mutex_t pool_mutex;
97 : #endif
98 :
99 : // Private data associated with the frame buffer callbacks.
100 : void *cb_priv;
101 :
102 : vpx_get_frame_buffer_cb_fn_t get_fb_cb;
103 : vpx_release_frame_buffer_cb_fn_t release_fb_cb;
104 :
105 : RefCntBuffer frame_bufs[FRAME_BUFFERS];
106 :
107 : // Frame buffers allocated internally by the codec.
108 : InternalFrameBufferList int_frame_buffers;
109 : } BufferPool;
110 :
111 : typedef struct VP9Common {
112 : struct vpx_internal_error_info error;
113 : vpx_color_space_t color_space;
114 : vpx_color_range_t color_range;
115 : int width;
116 : int height;
117 : int render_width;
118 : int render_height;
119 : int last_width;
120 : int last_height;
121 :
122 : // TODO(jkoleszar): this implies chroma ss right now, but could vary per
123 : // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to
124 : // support additional planes.
125 : int subsampling_x;
126 : int subsampling_y;
127 :
128 : #if CONFIG_VP9_HIGHBITDEPTH
129 : int use_highbitdepth; // Marks if we need to use 16bit frame buffers.
130 : #endif
131 :
132 : YV12_BUFFER_CONFIG *frame_to_show;
133 : RefCntBuffer *prev_frame;
134 :
135 : // TODO(hkuang): Combine this with cur_buf in macroblockd.
136 : RefCntBuffer *cur_frame;
137 :
138 : int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */
139 :
140 : // Prepare ref_frame_map for the next frame.
141 : // Only used in frame parallel decode.
142 : int next_ref_frame_map[REF_FRAMES];
143 :
144 : // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
145 : // roll new_fb_idx into it.
146 :
147 : // Each frame can reference REFS_PER_FRAME buffers
148 : RefBuffer frame_refs[REFS_PER_FRAME];
149 :
150 : int new_fb_idx;
151 :
152 : #if CONFIG_VP9_POSTPROC
153 : YV12_BUFFER_CONFIG post_proc_buffer;
154 : YV12_BUFFER_CONFIG post_proc_buffer_int;
155 : #endif
156 :
157 : FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
158 : FRAME_TYPE frame_type;
159 :
160 : int show_frame;
161 : int last_show_frame;
162 : int show_existing_frame;
163 :
164 : // Flag signaling that the frame is encoded using only INTRA modes.
165 : uint8_t intra_only;
166 : uint8_t last_intra_only;
167 :
168 : int allow_high_precision_mv;
169 :
170 : // Flag signaling that the frame context should be reset to default values.
171 : // 0 or 1 implies don't reset, 2 reset just the context specified in the
172 : // frame header, 3 reset all contexts.
173 : int reset_frame_context;
174 :
175 : // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in
176 : // MODE_INFO (8-pixel) units.
177 : int MBs;
178 : int mb_rows, mi_rows;
179 : int mb_cols, mi_cols;
180 : int mi_stride;
181 :
182 : /* profile settings */
183 : TX_MODE tx_mode;
184 :
185 : int base_qindex;
186 : int y_dc_delta_q;
187 : int uv_dc_delta_q;
188 : int uv_ac_delta_q;
189 : int16_t y_dequant[MAX_SEGMENTS][2];
190 : int16_t uv_dequant[MAX_SEGMENTS][2];
191 :
192 : /* We allocate a MODE_INFO struct for each macroblock, together with
193 : an extra row on top and column on the left to simplify prediction. */
194 : int mi_alloc_size;
195 : MODE_INFO *mip; /* Base of allocated array */
196 : MODE_INFO *mi; /* Corresponds to upper left visible macroblock */
197 :
198 : // TODO(agrange): Move prev_mi into encoder structure.
199 : // prev_mip and prev_mi will only be allocated in VP9 encoder.
200 : MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
201 : MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */
202 :
203 : // Separate mi functions between encoder and decoder.
204 : int (*alloc_mi)(struct VP9Common *cm, int mi_size);
205 : void (*free_mi)(struct VP9Common *cm);
206 : void (*setup_mi)(struct VP9Common *cm);
207 :
208 : // Grid of pointers to 8x8 MODE_INFO structs. Any 8x8 not in the visible
209 : // area will be NULL.
210 : MODE_INFO **mi_grid_base;
211 : MODE_INFO **mi_grid_visible;
212 : MODE_INFO **prev_mi_grid_base;
213 : MODE_INFO **prev_mi_grid_visible;
214 :
215 : // Whether to use previous frame's motion vectors for prediction.
216 : int use_prev_frame_mvs;
217 :
218 : // Persistent mb segment id map used in prediction.
219 : int seg_map_idx;
220 : int prev_seg_map_idx;
221 :
222 : uint8_t *seg_map_array[NUM_PING_PONG_BUFFERS];
223 : uint8_t *last_frame_seg_map;
224 : uint8_t *current_frame_seg_map;
225 : int seg_map_alloc_size;
226 :
227 : INTERP_FILTER interp_filter;
228 :
229 : loop_filter_info_n lf_info;
230 :
231 : int refresh_frame_context; /* Two state 0 = NO, 1 = YES */
232 :
233 : int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */
234 :
235 : struct loopfilter lf;
236 : struct segmentation seg;
237 :
238 : // TODO(hkuang): Remove this as it is the same as frame_parallel_decode
239 : // in pbi.
240 : int frame_parallel_decode; // frame-based threading.
241 :
242 : // Context probabilities for reference frame prediction
243 : MV_REFERENCE_FRAME comp_fixed_ref;
244 : MV_REFERENCE_FRAME comp_var_ref[2];
245 : REFERENCE_MODE reference_mode;
246 :
247 : FRAME_CONTEXT *fc; /* this frame entropy */
248 : FRAME_CONTEXT *frame_contexts; // FRAME_CONTEXTS
249 : unsigned int frame_context_idx; /* Context to use/update */
250 : FRAME_COUNTS counts;
251 :
252 : unsigned int current_video_frame;
253 : BITSTREAM_PROFILE profile;
254 :
255 : // VPX_BITS_8 in profile 0 or 1, VPX_BITS_10 or VPX_BITS_12 in profile 2 or 3.
256 : vpx_bit_depth_t bit_depth;
257 : vpx_bit_depth_t dequant_bit_depth; // bit_depth of current dequantizer
258 :
259 : #if CONFIG_VP9_POSTPROC
260 : struct postproc_state postproc_state;
261 : #endif
262 :
263 : int error_resilient_mode;
264 : int frame_parallel_decoding_mode;
265 :
266 : int log2_tile_cols, log2_tile_rows;
267 : int byte_alignment;
268 : int skip_loop_filter;
269 :
270 : // Private data associated with the frame buffer callbacks.
271 : void *cb_priv;
272 : vpx_get_frame_buffer_cb_fn_t get_fb_cb;
273 : vpx_release_frame_buffer_cb_fn_t release_fb_cb;
274 :
275 : // Handles memory for the codec.
276 : InternalFrameBufferList int_frame_buffers;
277 :
278 : // External BufferPool passed from outside.
279 : BufferPool *buffer_pool;
280 :
281 : PARTITION_CONTEXT *above_seg_context;
282 : ENTROPY_CONTEXT *above_context;
283 : int above_context_alloc_cols;
284 : } VP9_COMMON;
285 :
286 : // TODO(hkuang): Don't need to lock the whole pool after implementing atomic
287 : // frame reference count.
288 : void lock_buffer_pool(BufferPool *const pool);
289 : void unlock_buffer_pool(BufferPool *const pool);
290 :
291 0 : static INLINE YV12_BUFFER_CONFIG *get_ref_frame(VP9_COMMON *cm, int index) {
292 0 : if (index < 0 || index >= REF_FRAMES) return NULL;
293 0 : if (cm->ref_frame_map[index] < 0) return NULL;
294 0 : assert(cm->ref_frame_map[index] < FRAME_BUFFERS);
295 0 : return &cm->buffer_pool->frame_bufs[cm->ref_frame_map[index]].buf;
296 : }
297 :
298 0 : static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) {
299 0 : return &cm->buffer_pool->frame_bufs[cm->new_fb_idx].buf;
300 : }
301 :
302 0 : static INLINE int get_free_fb(VP9_COMMON *cm) {
303 0 : RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
304 : int i;
305 :
306 0 : lock_buffer_pool(cm->buffer_pool);
307 0 : for (i = 0; i < FRAME_BUFFERS; ++i)
308 0 : if (frame_bufs[i].ref_count == 0) break;
309 :
310 0 : if (i != FRAME_BUFFERS) {
311 0 : frame_bufs[i].ref_count = 1;
312 : } else {
313 : // Reset i to be INVALID_IDX to indicate no free buffer found.
314 0 : i = INVALID_IDX;
315 : }
316 :
317 0 : unlock_buffer_pool(cm->buffer_pool);
318 0 : return i;
319 : }
320 :
321 0 : static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) {
322 0 : const int ref_index = *idx;
323 :
324 0 : if (ref_index >= 0 && bufs[ref_index].ref_count > 0)
325 0 : bufs[ref_index].ref_count--;
326 :
327 0 : *idx = new_idx;
328 :
329 0 : bufs[new_idx].ref_count++;
330 0 : }
331 :
332 0 : static INLINE int mi_cols_aligned_to_sb(int n_mis) {
333 0 : return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2);
334 : }
335 :
336 0 : static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) {
337 0 : return cm->frame_type == KEY_FRAME || cm->intra_only;
338 : }
339 :
340 0 : static INLINE void set_partition_probs(const VP9_COMMON *const cm,
341 : MACROBLOCKD *const xd) {
342 0 : xd->partition_probs =
343 0 : frame_is_intra_only(cm)
344 : ? &vp9_kf_partition_probs[0]
345 0 : : (const vpx_prob(*)[PARTITION_TYPES - 1])cm->fc->partition_prob;
346 0 : }
347 :
348 0 : static INLINE void vp9_init_macroblockd(VP9_COMMON *cm, MACROBLOCKD *xd,
349 : tran_low_t *dqcoeff) {
350 : int i;
351 :
352 0 : for (i = 0; i < MAX_MB_PLANE; ++i) {
353 0 : xd->plane[i].dqcoeff = dqcoeff;
354 0 : xd->above_context[i] =
355 0 : cm->above_context +
356 0 : i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols);
357 :
358 0 : if (get_plane_type(i) == PLANE_TYPE_Y) {
359 0 : memcpy(xd->plane[i].seg_dequant, cm->y_dequant, sizeof(cm->y_dequant));
360 : } else {
361 0 : memcpy(xd->plane[i].seg_dequant, cm->uv_dequant, sizeof(cm->uv_dequant));
362 : }
363 0 : xd->fc = cm->fc;
364 : }
365 :
366 0 : xd->above_seg_context = cm->above_seg_context;
367 0 : xd->mi_stride = cm->mi_stride;
368 0 : xd->error_info = &cm->error;
369 :
370 0 : set_partition_probs(cm, xd);
371 0 : }
372 :
373 0 : static INLINE const vpx_prob *get_partition_probs(const MACROBLOCKD *xd,
374 : int ctx) {
375 0 : return xd->partition_probs[ctx];
376 : }
377 :
378 0 : static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) {
379 0 : const int above_idx = mi_col * 2;
380 0 : const int left_idx = (mi_row * 2) & 15;
381 : int i;
382 0 : for (i = 0; i < MAX_MB_PLANE; ++i) {
383 0 : struct macroblockd_plane *const pd = &xd->plane[i];
384 0 : pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x];
385 0 : pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y];
386 : }
387 0 : }
388 :
389 0 : static INLINE int calc_mi_size(int len) {
390 : // len is in mi units.
391 0 : return len + MI_BLOCK_SIZE;
392 : }
393 :
394 0 : static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
395 : int mi_row, int bh, int mi_col, int bw,
396 : int mi_rows, int mi_cols) {
397 0 : xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
398 0 : xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8;
399 0 : xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
400 0 : xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8;
401 :
402 : // Are edges available for intra prediction?
403 0 : xd->above_mi = (mi_row != 0) ? xd->mi[-xd->mi_stride] : NULL;
404 0 : xd->left_mi = (mi_col > tile->mi_col_start) ? xd->mi[-1] : NULL;
405 0 : }
406 :
407 0 : static INLINE void update_partition_context(MACROBLOCKD *xd, int mi_row,
408 : int mi_col, BLOCK_SIZE subsize,
409 : BLOCK_SIZE bsize) {
410 0 : PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col;
411 0 : PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
412 :
413 : // num_4x4_blocks_wide_lookup[bsize] / 2
414 0 : const int bs = num_8x8_blocks_wide_lookup[bsize];
415 :
416 : // update the partition context at the end notes. set partition bits
417 : // of block sizes larger than the current one to be one, and partition
418 : // bits of smaller block sizes to be zero.
419 0 : memset(above_ctx, partition_context_lookup[subsize].above, bs);
420 0 : memset(left_ctx, partition_context_lookup[subsize].left, bs);
421 0 : }
422 :
423 0 : static INLINE int partition_plane_context(const MACROBLOCKD *xd, int mi_row,
424 : int mi_col, BLOCK_SIZE bsize) {
425 0 : const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col;
426 0 : const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK);
427 0 : const int bsl = mi_width_log2_lookup[bsize];
428 0 : int above = (*above_ctx >> bsl) & 1, left = (*left_ctx >> bsl) & 1;
429 :
430 0 : assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]);
431 0 : assert(bsl >= 0);
432 :
433 0 : return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
434 : }
435 :
436 : #ifdef __cplusplus
437 : } // extern "C"
438 : #endif
439 :
440 : #endif // VP9_COMMON_VP9_ONYXC_INT_H_
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