1 /*****************************************************************************
2  * frame.h: frame handling
3  *****************************************************************************
4  * Copyright (C) 2003-2021 x264 project
5  *
6  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
7  *          Loren Merritt <lorenm@u.washington.edu>
8  *          Fiona Glaser <fiona@x264.com>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
23  *
24  * This program is also available under a commercial proprietary license.
25  * For more information, contact us at licensing@x264.com.
26  *****************************************************************************/
27 
28 #ifndef X264_FRAME_H
29 #define X264_FRAME_H
30 
31 /* number of pixels past the edge of the frame, for motion estimation/compensation */
32 #define PADH 32
33 #define PADV 32
34 #define PADH_ALIGN X264_MAX( PADH, NATIVE_ALIGN / SIZEOF_PIXEL )
35 #define PADH2 (PADH_ALIGN + PADH)
36 
37 typedef struct x264_frame
38 {
39     /* */
40     uint8_t *base;       /* Base pointer for all malloced data in this frame. */
41     int     i_poc;
42     int     i_delta_poc[2];
43     int     i_type;
44     int     i_forced_type;
45     int     i_qpplus1;
46     int64_t i_pts;
47     int64_t i_dts;
48     int64_t i_reordered_pts;
49     int64_t i_duration;  /* in SPS time_scale units (i.e 2 * timebase units) used for vfr */
50     float   f_duration;  /* in seconds */
51     int64_t i_cpb_duration;
52     int64_t i_cpb_delay; /* in SPS time_scale units (i.e 2 * timebase units) */
53     int64_t i_dpb_output_delay;
54     x264_param_t *param;
55 
56     int     i_frame;     /* Presentation frame number */
57     int     i_coded;     /* Coded frame number */
58     int64_t i_field_cnt; /* Presentation field count */
59     int     i_frame_num; /* 7.4.3 frame_num */
60     int     b_kept_as_ref;
61     int     i_pic_struct;
62     int     b_keyframe;
63     uint8_t b_fdec;
64     uint8_t b_last_minigop_bframe; /* this frame is the last b in a sequence of bframes */
65     uint8_t i_bframes;   /* number of bframes following this nonb in coded order */
66     float   f_qp_avg_rc; /* QPs as decided by ratecontrol */
67     float   f_qp_avg_aq; /* QPs as decided by AQ in addition to ratecontrol */
68     float   f_crf_avg;   /* Average effective CRF for this frame */
69     int     i_poc_l0ref0; /* poc of first refframe in L0, used to check if direct temporal is possible */
70 
71     /* YUV buffer */
72     int     i_csp; /* Internal csp */
73     int     i_plane;
74     int     i_stride[3];
75     int     i_width[3];
76     int     i_lines[3];
77     int     i_stride_lowres;
78     int     i_width_lowres;
79     int     i_lines_lowres;
80     pixel *plane[3];
81     pixel *plane_fld[3];
82     pixel *filtered[3][4]; /* plane[0], H, V, HV */
83     pixel *filtered_fld[3][4];
84     pixel *lowres[4]; /* half-size copy of input frame: Orig, H, V, HV */
85     uint16_t *integral;
86 
87     /* for unrestricted mv we allocate more data than needed
88      * allocated data are stored in buffer */
89     pixel *buffer[4];
90     pixel *buffer_fld[4];
91     pixel *buffer_lowres;
92 
93     x264_weight_t weight[X264_REF_MAX][3]; /* [ref_index][plane] */
94     pixel *weighted[X264_REF_MAX]; /* plane[0] weighted of the reference frames */
95     int b_duplicate;
96     struct x264_frame *orig;
97 
98     /* motion data */
99     int8_t  *mb_type;
100     uint8_t *mb_partition;
101     int16_t (*mv[2])[2];
102     int16_t (*mv16x16)[2];
103     int16_t (*lowres_mvs[2][X264_BFRAME_MAX+1])[2];
104     uint8_t *field;
105     uint8_t *effective_qp;
106 
107     /* Stored as (lists_used << LOWRES_COST_SHIFT) + (cost).
108      * Doesn't need special addressing for intra cost because
109      * lists_used is guaranteed to be zero in that cast. */
110     uint16_t (*lowres_costs[X264_BFRAME_MAX+2][X264_BFRAME_MAX+2]);
111     #define LOWRES_COST_MASK ((1<<14)-1)
112     #define LOWRES_COST_SHIFT 14
113 
114     int     *lowres_mv_costs[2][X264_BFRAME_MAX+1];
115     int8_t  *ref[2];
116     int     i_ref[2];
117     int     ref_poc[2][X264_REF_MAX];
118     int16_t inv_ref_poc[2]; // inverse values of ref0 poc to avoid divisions in temporal MV prediction
119 
120     /* for adaptive B-frame decision.
121      * contains the SATD cost of the lowres frame encoded in various modes
122      * FIXME: how big an array do we need? */
123     int     i_cost_est[X264_BFRAME_MAX+2][X264_BFRAME_MAX+2];
124     int     i_cost_est_aq[X264_BFRAME_MAX+2][X264_BFRAME_MAX+2];
125     int     i_satd; // the i_cost_est of the selected frametype
126     int     i_intra_mbs[X264_BFRAME_MAX+2];
127     int     *i_row_satds[X264_BFRAME_MAX+2][X264_BFRAME_MAX+2];
128     int     *i_row_satd;
129     int     *i_row_bits;
130     float   *f_row_qp;
131     float   *f_row_qscale;
132     float   *f_qp_offset;
133     float   *f_qp_offset_aq;
134     int     b_intra_calculated;
135     uint16_t *i_intra_cost;
136     uint16_t *i_propagate_cost;
137     uint16_t *i_inv_qscale_factor;
138     int     b_scenecut; /* Set to zero if the frame cannot possibly be part of a real scenecut. */
139     float   f_weighted_cost_delta[X264_BFRAME_MAX+2];
140     uint32_t i_pixel_sum[3];
141     uint64_t i_pixel_ssd[3];
142 
143     /* hrd */
144     x264_hrd_t hrd_timing;
145 
146     /* vbv */
147     uint8_t i_planned_type[X264_LOOKAHEAD_MAX+1];
148     int i_planned_satd[X264_LOOKAHEAD_MAX+1];
149     double f_planned_cpb_duration[X264_LOOKAHEAD_MAX+1];
150     int64_t i_coded_fields_lookahead;
151     int64_t i_cpb_delay_lookahead;
152 
153     /* threading */
154     int     i_lines_completed; /* in pixels */
155     int     i_lines_weighted; /* FIXME: this only supports weighting of one reference frame */
156     int     i_reference_count; /* number of threads using this frame (not necessarily the number of pointers) */
157     x264_pthread_mutex_t mutex;
158     x264_pthread_cond_t  cv;
159     int     i_slice_count; /* Atomically written to/read from with slice threads */
160 
161     /* periodic intra refresh */
162     float   f_pir_position;
163     int     i_pir_start_col;
164     int     i_pir_end_col;
165     int     i_frames_since_pir;
166 
167     /* interactive encoder control */
168     int     b_corrupt;
169 
170     /* user sei */
171     x264_sei_t extra_sei;
172 
173     /* user data */
174     void *opaque;
175 
176     /* user frame properties */
177     uint8_t *mb_info;
178     void (*mb_info_free)( void* );
179 
180 #if HAVE_OPENCL
181     x264_frame_opencl_t opencl;
182 #endif
183 } x264_frame_t;
184 
185 /* synchronized frame list */
186 typedef struct
187 {
188    x264_frame_t **list;
189    int i_max_size;
190    int i_size;
191    x264_pthread_mutex_t     mutex;
192    x264_pthread_cond_t      cv_fill;  /* event signaling that the list became fuller */
193    x264_pthread_cond_t      cv_empty; /* event signaling that the list became emptier */
194 } x264_sync_frame_list_t;
195 
196 typedef void (*x264_deblock_inter_t)( pixel *pix, intptr_t stride, int alpha, int beta, int8_t *tc0 );
197 typedef void (*x264_deblock_intra_t)( pixel *pix, intptr_t stride, int alpha, int beta );
198 typedef struct
199 {
200     x264_deblock_inter_t deblock_luma[2];
201     x264_deblock_inter_t deblock_chroma[2];
202     x264_deblock_inter_t deblock_h_chroma_420;
203     x264_deblock_inter_t deblock_h_chroma_422;
204     x264_deblock_intra_t deblock_luma_intra[2];
205     x264_deblock_intra_t deblock_chroma_intra[2];
206     x264_deblock_intra_t deblock_h_chroma_420_intra;
207     x264_deblock_intra_t deblock_h_chroma_422_intra;
208     x264_deblock_inter_t deblock_luma_mbaff;
209     x264_deblock_inter_t deblock_chroma_mbaff;
210     x264_deblock_inter_t deblock_chroma_420_mbaff;
211     x264_deblock_inter_t deblock_chroma_422_mbaff;
212     x264_deblock_intra_t deblock_luma_intra_mbaff;
213     x264_deblock_intra_t deblock_chroma_intra_mbaff;
214     x264_deblock_intra_t deblock_chroma_420_intra_mbaff;
215     x264_deblock_intra_t deblock_chroma_422_intra_mbaff;
216     void (*deblock_strength)( uint8_t nnz[X264_SCAN8_SIZE], int8_t ref[2][X264_SCAN8_LUMA_SIZE],
217                               int16_t mv[2][X264_SCAN8_LUMA_SIZE][2], uint8_t bs[2][8][4], int mvy_limit,
218                               int bframe );
219 } x264_deblock_function_t;
220 
221 #define x264_frame_delete x264_template(frame_delete)
222 void          x264_frame_delete( x264_frame_t *frame );
223 
224 #define x264_frame_copy_picture x264_template(frame_copy_picture)
225 int           x264_frame_copy_picture( x264_t *h, x264_frame_t *dst, x264_picture_t *src );
226 
227 #define x264_frame_expand_border x264_template(frame_expand_border)
228 void          x264_frame_expand_border( x264_t *h, x264_frame_t *frame, int mb_y );
229 #define x264_frame_expand_border_filtered x264_template(frame_expand_border_filtered)
230 void          x264_frame_expand_border_filtered( x264_t *h, x264_frame_t *frame, int mb_y, int b_end );
231 #define x264_frame_expand_border_lowres x264_template(frame_expand_border_lowres)
232 void          x264_frame_expand_border_lowres( x264_frame_t *frame );
233 #define x264_frame_expand_border_chroma x264_template(frame_expand_border_chroma)
234 void          x264_frame_expand_border_chroma( x264_t *h, x264_frame_t *frame, int plane );
235 #define x264_frame_expand_border_mod16 x264_template(frame_expand_border_mod16)
236 void          x264_frame_expand_border_mod16( x264_t *h, x264_frame_t *frame );
237 #define x264_expand_border_mbpair x264_template(expand_border_mbpair)
238 void          x264_expand_border_mbpair( x264_t *h, int mb_x, int mb_y );
239 
240 #define x264_frame_deblock_row x264_template(frame_deblock_row)
241 void          x264_frame_deblock_row( x264_t *h, int mb_y );
242 #define x264_macroblock_deblock x264_template(macroblock_deblock)
243 void          x264_macroblock_deblock( x264_t *h );
244 
245 #define x264_frame_filter x264_template(frame_filter)
246 void          x264_frame_filter( x264_t *h, x264_frame_t *frame, int mb_y, int b_end );
247 #define x264_frame_init_lowres x264_template(frame_init_lowres)
248 void          x264_frame_init_lowres( x264_t *h, x264_frame_t *frame );
249 
250 #define x264_deblock_init x264_template(deblock_init)
251 void          x264_deblock_init( uint32_t cpu, x264_deblock_function_t *pf, int b_mbaff );
252 
253 #define x264_frame_cond_broadcast x264_template(frame_cond_broadcast)
254 void          x264_frame_cond_broadcast( x264_frame_t *frame, int i_lines_completed );
255 #define x264_frame_cond_wait x264_template(frame_cond_wait)
256 int           x264_frame_cond_wait( x264_frame_t *frame, int i_lines_completed );
257 #define x264_frame_new_slice x264_template(frame_new_slice)
258 int           x264_frame_new_slice( x264_t *h, x264_frame_t *frame );
259 
260 #define x264_threadslice_cond_broadcast x264_template(threadslice_cond_broadcast)
261 void          x264_threadslice_cond_broadcast( x264_t *h, int pass );
262 #define x264_threadslice_cond_wait x264_template(threadslice_cond_wait)
263 void          x264_threadslice_cond_wait( x264_t *h, int pass );
264 
265 #define x264_frame_push x264_template(frame_push)
266 X264_API void          x264_frame_push( x264_frame_t **list, x264_frame_t *frame );
267 #define x264_frame_pop x264_template(frame_pop)
268 X264_API x264_frame_t *x264_frame_pop( x264_frame_t **list );
269 #define x264_frame_unshift x264_template(frame_unshift)
270 X264_API void          x264_frame_unshift( x264_frame_t **list, x264_frame_t *frame );
271 #define x264_frame_shift x264_template(frame_shift)
272 X264_API x264_frame_t *x264_frame_shift( x264_frame_t **list );
273 
274 #define x264_frame_push_unused x264_template(frame_push_unused)
275 void          x264_frame_push_unused( x264_t *h, x264_frame_t *frame );
276 #define x264_frame_push_blank_unused x264_template(frame_push_blank_unused)
277 void          x264_frame_push_blank_unused( x264_t *h, x264_frame_t *frame );
278 #define x264_frame_pop_blank_unused x264_template(frame_pop_blank_unused)
279 x264_frame_t *x264_frame_pop_blank_unused( x264_t *h );
280 #define x264_weight_scale_plane x264_template(weight_scale_plane)
281 void x264_weight_scale_plane( x264_t *h, pixel *dst, intptr_t i_dst_stride, pixel *src, intptr_t i_src_stride,
282                               int i_width, int i_height, x264_weight_t *w );
283 #define x264_frame_pop_unused x264_template(frame_pop_unused)
284 x264_frame_t *x264_frame_pop_unused( x264_t *h, int b_fdec );
285 #define x264_frame_delete_list x264_template(frame_delete_list)
286 void          x264_frame_delete_list( x264_frame_t **list );
287 
288 #define x264_sync_frame_list_init x264_template(sync_frame_list_init)
289 int           x264_sync_frame_list_init( x264_sync_frame_list_t *slist, int nelem );
290 #define x264_sync_frame_list_delete x264_template(sync_frame_list_delete)
291 void          x264_sync_frame_list_delete( x264_sync_frame_list_t *slist );
292 #define x264_sync_frame_list_push x264_template(sync_frame_list_push)
293 void          x264_sync_frame_list_push( x264_sync_frame_list_t *slist, x264_frame_t *frame );
294 #define x264_sync_frame_list_pop x264_template(sync_frame_list_pop)
295 x264_frame_t *x264_sync_frame_list_pop( x264_sync_frame_list_t *slist );
296 
297 #endif
298