1 /*****************************************************************************
2 * common.h: h264 encoder
3 *****************************************************************************
4 * Copyright (C) 2003 Laurent Aimar
5 * $Id: common.h,v 1.1 2004/06/03 19:27:06 fenrir Exp $
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
35 #define snprintf _snprintf
36 #define X264_VERSION "" // no configure script for msvc
51 /****************************************************************************
53 ****************************************************************************/
54 #define X264_MIN(a,b) ( (a)<(b) ? (a) : (b) )
55 #define X264_MAX(a,b) ( (a)>(b) ? (a) : (b) )
56 #define X264_ABS(a) ( (a)< 0 ? -(a) : (a) )
57 #define X264_MIN3(a,b,c) X264_MIN((a),X264_MIN((b),(c)))
58 #define X264_MAX3(a,b,c) X264_MAX((a),X264_MAX((b),(c)))
59 #define X264_MIN4(a,b,c,d) X264_MIN((a),X264_MIN3((b),(c),(d)))
60 #define X264_MAX4(a,b,c,d) X264_MAX((a),X264_MAX3((b),(c),(d)))
61 #define FIX8(f) ((int)(f*(1<<8)+.5))
63 /****************************************************************************
65 ****************************************************************************/
66 /* x264_malloc : will do or emulate a memalign
67 * XXX you HAVE TO use x264_free for buffer allocated
70 void *x264_malloc( int );
71 void *x264_realloc( void *p, int i_size );
72 void x264_free( void * );
74 /* x264_slurp_file: malloc space for the whole file and read it */
75 char *x264_slurp_file( const char *filename );
77 /* mdate: return the current date in microsecond */
78 int64_t x264_mdate( void );
81 void x264_log( x264_t *h, int i_level, const char *psz_fmt, ... );
83 static inline int x264_clip3( int v, int i_min, int i_max )
85 return ( (v < i_min) ? i_min : (v > i_max) ? i_max : v );
88 static inline float x264_clip3f( float v, float f_min, float f_max )
90 return ( (v < f_min) ? f_min : (v > f_max) ? f_max : v );
93 static inline int x264_median( int a, int b, int c )
99 max = b; /* no need to do 'b > max' (more consuming than always doing affectation) */
106 return a + b + c - min - max;
110 /****************************************************************************
112 ****************************************************************************/
122 static const char slice_type_to_char[] = { 'P', 'B', 'I', 'S', 'S' };
140 int i_idr_pic_id; /* -1 if nal_type != 5 */
143 int i_delta_poc_bottom;
146 int i_redundant_pic_cnt;
148 int b_direct_spatial_mv_pred;
150 int b_num_ref_idx_override;
151 int i_num_ref_idx_l0_active;
152 int i_num_ref_idx_l1_active;
154 int b_ref_pic_list_reordering_l0;
155 int b_ref_pic_list_reordering_l1;
159 } ref_pic_list_order[2][16];
161 int i_cabac_init_idc;
168 /* deblocking filter */
169 int i_disable_deblocking_filter_idc;
170 int i_alpha_c0_offset;
173 } x264_slice_header_t;
177 #define X264_SCAN8_SIZE (6*8)
178 #define X264_SCAN8_0 (4+1*8)
180 static const int x264_scan8[16+2*4] =
183 4+1*8, 5+1*8, 4+2*8, 5+2*8,
184 6+1*8, 7+1*8, 6+2*8, 7+2*8,
185 4+3*8, 5+3*8, 4+4*8, 5+4*8,
186 6+3*8, 7+3*8, 6+4*8, 7+4*8,
206 #define X264_BFRAME_MAX 16
207 #define X264_SLICE_MAX 4
208 #define X264_NAL_MAX (4 + X264_SLICE_MAX)
210 typedef struct x264_ratecontrol_t x264_ratecontrol_t;
211 typedef struct x264_vlc_table_t x264_vlc_table_t;
215 /* encoder parameters */
218 x264_t *thread[X264_SLICE_MAX];
220 /* bitstream output */
224 x264_nal_t nal[X264_NAL_MAX];
225 int i_bitstream; /* size of p_bitstream */
226 uint8_t *p_bitstream; /* will hold data for all nal */
230 /* frame number/poc */
233 int i_frame_offset; /* decoding only */
234 int i_frame_num; /* decoding only */
235 int i_poc_msb; /* decoding only */
236 int i_poc_lsb; /* decoding only */
237 int i_poc; /* decoding only */
239 int i_thread_num; /* threads only */
240 int i_nal_type; /* threads only */
241 int i_nal_ref_idc; /* threads only */
243 /* We use only one SPS and one PPS */
244 x264_sps_t sps_array[1];
246 x264_pps_t pps_array[1];
250 int dequant4_mf[4][6][4][4];
251 int dequant8_mf[2][6][8][8];
252 int quant4_mf[4][6][4][4];
253 int quant8_mf[2][6][8][8];
256 x264_slice_header_t sh;
263 /* Frames to be encoded (whose types have been decided) */
264 x264_frame_t *current[X264_BFRAME_MAX+3];
265 /* Temporary buffer (frames types not yet decided) */
266 x264_frame_t *next[X264_BFRAME_MAX+3];
268 x264_frame_t *unused[X264_BFRAME_MAX+3];
269 /* For adaptive B decision */
270 x264_frame_t *last_nonb;
272 /* frames used for reference +1 for decoding + sentinels */
273 x264_frame_t *reference[16+2+1+2];
275 int i_last_idr; /* Frame number of the last IDR */
277 int i_input; /* Number of input frames already accepted */
279 int i_max_dpb; /* Number of frames allocated in the decoded picture buffer */
282 int i_delay; /* Number of frames buffered for B reordering */
283 int b_have_lowres; /* Whether 1/2 resolution luma planes are being used */
286 /* current frame being encoded */
289 /* frame being reconstructed */
292 /* references lists */
294 x264_frame_t *fref0[16+3]; /* ref list 0 */
296 x264_frame_t *fref1[16+3]; /* ref list 1 */
297 int b_ref_reorder[2];
301 /* Current MB DCT coeffs */
304 DECLARE_ALIGNED( int, luma16x16_dc[16], 16 );
305 DECLARE_ALIGNED( int, chroma_dc[2][4], 16 );
306 // FIXME merge with union
307 DECLARE_ALIGNED( int, luma8x8[4][64], 16 );
310 DECLARE_ALIGNED( int, residual_ac[15], 16 );
311 DECLARE_ALIGNED( int, luma4x4[16], 16 );
315 /* MB table and cache for current frame/mb */
318 int i_mb_count; /* number of mbs in a frame */
332 /* Search parameters */
336 /* Allowed qpel MV range to stay within the picture + emulated edge pixels */
339 /* Fullpel MV range for motion search */
343 /* neighboring MBs */
344 unsigned int i_neighbour;
345 unsigned int i_neighbour8[4]; /* neighbours of each 8x8 or 4x4 block that are available */
346 unsigned int i_neighbour4[16]; /* at the time the block is coded */
349 int i_mb_type_topleft;
350 int i_mb_type_topright;
353 int8_t *type; /* mb type */
354 int8_t *qp; /* mb qp */
355 int16_t *cbp; /* mb cbp: 0x0?: luma, 0x?0: chroma, 0x100: luma dc, 0x0200 and 0x0400: chroma dc (all set for PCM)*/
356 int8_t (*intra4x4_pred_mode)[7]; /* intra4x4 pred mode. for non I4x4 set to I_PRED_4x4_DC(2) */
357 uint8_t (*non_zero_count)[16+4+4]; /* nzc. for I_PCM set to 16 */
358 int8_t *chroma_pred_mode; /* chroma_pred_mode. cabac only. for non intra I_PRED_CHROMA_DC(0) */
359 int16_t (*mv[2])[2]; /* mb mv. set to 0 for intra mb */
360 int16_t (*mvd[2])[2]; /* mb mv difference with predict. set to 0 if intra. cabac only */
361 int8_t *ref[2]; /* mb ref. set to -1 if non used (intra or Lx only) */
362 int16_t (*mvr[2][16])[2]; /* 16x16 mv for each possible ref */
363 int8_t *skipbp; /* block pattern for SKIP or DIRECT (sub)mbs. B-frames + cabac only */
364 int8_t *mb_transform_size; /* transform_size_8x8_flag of each mb */
369 int i_sub_partition[4];
375 int i_intra16x16_pred_mode;
376 int i_chroma_pred_mode;
380 /* pointer over mb of the frame to be compressed */
383 /* pointer over mb of the frame to be reconstrucated */
386 /* pointer over mb of the references */
387 uint8_t *p_fref[2][16][4+2]; /* last: lN, lH, lV, lHV, cU, cV */
396 /* real intra4x4_pred_mode if I_4X4 or I_8X8, I_PRED_4x4_DC if mb available, -1 if not */
397 int intra4x4_pred_mode[X264_SCAN8_SIZE];
399 /* i_non_zero_count if availble else 0x80 */
400 int non_zero_count[X264_SCAN8_SIZE];
402 /* -1 if unused, -2 if unavaible */
403 int8_t ref[2][X264_SCAN8_SIZE];
405 /* 0 if non avaible */
406 int16_t mv[2][X264_SCAN8_SIZE][2];
407 int16_t mvd[2][X264_SCAN8_SIZE][2];
409 /* 1 if SKIP or DIRECT. set only for B-frames + CABAC */
410 int8_t skip[X264_SCAN8_SIZE];
412 int16_t direct_mv[2][X264_SCAN8_SIZE][2];
413 int8_t direct_ref[2][X264_SCAN8_SIZE];
415 /* number of neighbors (top and left) that used 8x8 dct */
416 int i_neighbour_transform_size;
417 int b_transform_8x8_allowed;
421 int i_qp; /* current qp */
422 int i_last_qp; /* last qp */
423 int i_last_dqp; /* last delta qp */
424 int b_variable_qp; /* whether qp is allowed to vary per macroblock */
427 /* B_direct and weighted prediction */
428 int dist_scale_factor[16][16];
429 int bipred_weight[16][16];
430 /* maps fref1[0]'s ref indices into the current list0 */
431 int map_col_to_list0_buf[2]; // for negative indices
432 int map_col_to_list0[16];
435 /* rate control encoding only */
436 x264_ratecontrol_t *rc;
438 int i_last_inter_size;
439 int i_last_intra_size;
445 /* Current frame stats */
448 /* Headers bits (MV+Ref+MB Block Type */
450 /* Texture bits (Intra/Predicted) */
460 int i_mb_count_8x8dct[2];
461 int i_mb_count_size[7];
462 int i_mb_count_ref[16];
463 /* Estimated (SATD) cost as Intra/Predicted frame */
464 /* XXX: both omit the cost of MBs coded as P_SKIP */
469 /* Cummulated stats */
472 int i_slice_count[5];
473 int64_t i_slice_size[5];
476 int64_t i_sqe_global[5];
477 float f_psnr_average[5];
478 float f_psnr_mean_y[5];
479 float f_psnr_mean_u[5];
480 float f_psnr_mean_v[5];
482 int64_t i_mb_count[5][19];
483 int64_t i_mb_count_8x8dct[2];
484 int64_t i_mb_count_size[2][7];
485 int64_t i_mb_count_ref[2][16];
489 /* CPU functions dependants */
490 x264_predict_t predict_16x16[4+3];
491 x264_predict_t predict_8x8c[4+3];
492 x264_predict8x8_t predict_8x8[9+3];
493 x264_predict_t predict_4x4[9+3];
495 x264_pixel_function_t pixf;
496 x264_mc_functions_t mc;
497 x264_dct_function_t dctf;
498 x264_csp_function_t csp;
499 x264_quant_function_t quantf;
501 /* vlc table for decoding purpose only */
502 x264_vlc_table_t *x264_coeff_token_lookup[5];
503 x264_vlc_table_t *x264_level_prefix_lookup;
504 x264_vlc_table_t *x264_total_zeros_lookup[15];
505 x264_vlc_table_t *x264_total_zeros_dc_lookup[3];
506 x264_vlc_table_t *x264_run_before_lookup[7];
509 struct visualize_t *visualize;
513 // included at the end because it needs x264_t
514 #include "macroblock.h"