619 lines
18 KiB
C
619 lines
18 KiB
C
/*****************************************************************************
|
|
* common.h: h264 encoder
|
|
*****************************************************************************
|
|
* Copyright (C) 2003 Laurent Aimar
|
|
* $Id: common.h,v 1.1 2004/06/03 19:27:06 fenrir Exp $
|
|
*
|
|
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
|
|
*
|
|
* This program is CC_free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
|
|
*****************************************************************************/
|
|
|
|
#ifndef _COMMON_H
|
|
#define _COMMON_H 1
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
//#ifdef HAVE_STDINT_H
|
|
#include <stdint.h>
|
|
//#else
|
|
//#include <inttypes.h>
|
|
//#endif
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <assert.h>
|
|
|
|
#ifdef _MSC_VER
|
|
#define snprintf _snprintf
|
|
#define X264_VERSION "" // no configure script for msvc
|
|
#endif
|
|
|
|
/* alloca: force 16byte alignment */
|
|
#ifdef _MSC_VER
|
|
#define x264_alloca(x) (void*)(((intptr_t)_alloca((x)+15)+15)&~15)
|
|
#else
|
|
#define x264_alloca(x) (void*)(((intptr_t) alloca((x)+15)+15)&~15)
|
|
#endif
|
|
|
|
/* threads */
|
|
#ifdef __WIN32__
|
|
#include <windows.h>
|
|
#define pthread_t HANDLE
|
|
#define pthread_create(t,u,f,d) *(t)=CreateThread(NULL,0,f,d,0,NULL)
|
|
#define pthread_join(t,s) { WaitForSingleObject(t,INFINITE); \
|
|
CloseHandle(t); }
|
|
#define HAVE_PTHREAD 1
|
|
|
|
#elif defined(SYS_BEOS)
|
|
#include <kernel/OS.h>
|
|
#define pthread_t thread_id
|
|
#define pthread_create(t,u,f,d) { *(t)=spawn_thread(f,"",10,d); \
|
|
resume_thread(*(t)); }
|
|
#define pthread_join(t,s) { long tmp; \
|
|
wait_for_thread(t,(s)?(long*)(s):&tmp); }
|
|
#define HAVE_PTHREAD 1
|
|
|
|
#elif defined(HAVE_PTHREAD)
|
|
#include <pthread.h>
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Macros
|
|
****************************************************************************/
|
|
#define X264_MIN(a,b) ( (a)<(b) ? (a) : (b) )
|
|
#define X264_MAX(a,b) ( (a)>(b) ? (a) : (b) )
|
|
#define X264_MIN3(a,b,c) X264_MIN((a),X264_MIN((b),(c)))
|
|
#define X264_MAX3(a,b,c) X264_MAX((a),X264_MAX((b),(c)))
|
|
#define X264_MIN4(a,b,c,d) X264_MIN((a),X264_MIN3((b),(c),(d)))
|
|
#define X264_MAX4(a,b,c,d) X264_MAX((a),X264_MAX3((b),(c),(d)))
|
|
#define XCHG(type,a,b) { type t = a; a = b; b = t; }
|
|
#define FIX8(f) ((int)(f*(1<<8)+.5))
|
|
|
|
#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
|
|
#define UNUSED __attribute__((unused))
|
|
#else
|
|
#define UNUSED
|
|
#endif
|
|
|
|
#define CHECKED_MALLOC( var, size )\
|
|
{\
|
|
var = x264_malloc( size );\
|
|
if( !var )\
|
|
{\
|
|
x264_log( h, X264_LOG_ERROR, "CC_malloc failed\n" );\
|
|
goto fail;\
|
|
}\
|
|
}
|
|
|
|
#define X264_BFRAME_MAX 16
|
|
#define X264_SLICE_MAX 4
|
|
#define X264_NAL_MAX (4 + X264_SLICE_MAX)
|
|
|
|
/****************************************************************************
|
|
* Includes
|
|
****************************************************************************/
|
|
#include "x264.h"
|
|
#include "bs.h"
|
|
#include "set.h"
|
|
#include "predict.h"
|
|
#include "pixel.h"
|
|
#include "mc.h"
|
|
#include "frame.h"
|
|
#include "dct.h"
|
|
#include "cabac.h"
|
|
#include "csp.h"
|
|
#include "quant.h"
|
|
|
|
/****************************************************************************
|
|
* Generals functions
|
|
****************************************************************************/
|
|
/* x264_malloc : will do or emulate a memalign
|
|
* XXX you HAVE TO use x264_free for buffer allocated
|
|
* with x264_malloc
|
|
*/
|
|
void *x264_malloc( int );
|
|
void *x264_realloc( void *p, int i_size );
|
|
void x264_free( void * );
|
|
|
|
/* x264_slurp_file: CC_malloc space for the whole file and read it */
|
|
char *x264_slurp_file( const char *filename );
|
|
|
|
/* mdate: return the current date in microsecond */
|
|
int64_t x264_mdate( void );
|
|
|
|
/* x264_param2string: return a (malloced) string containing most of
|
|
* the encoding options */
|
|
char *x264_param2string( x264_param_t *p, int b_res );
|
|
|
|
/* log */
|
|
void x264_log( x264_t *h, int i_level, const char *psz_fmt, ... );
|
|
|
|
void x264_reduce_fraction( int *n, int *d );
|
|
|
|
static inline int x264_clip3( int v, int i_min, int i_max )
|
|
{
|
|
return ( (v < i_min) ? i_min : (v > i_max) ? i_max : v );
|
|
}
|
|
|
|
static inline float x264_clip3f( float v, float f_min, float f_max )
|
|
{
|
|
return ( (v < f_min) ? f_min : (v > f_max) ? f_max : v );
|
|
}
|
|
|
|
static inline int x264_median( int a, int b, int c )
|
|
{
|
|
int min = a, max =a;
|
|
if( b < min )
|
|
min = b;
|
|
else
|
|
max = b; /* no need to do 'b > max' (more consuming than always doing affectation) */
|
|
|
|
if( c < min )
|
|
min = c;
|
|
else if( c > max )
|
|
max = c;
|
|
|
|
return a + b + c - min - max;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
*
|
|
****************************************************************************/
|
|
enum slice_type_e
|
|
{
|
|
SLICE_TYPE_P = 0,
|
|
SLICE_TYPE_B = 1,
|
|
SLICE_TYPE_I = 2,
|
|
SLICE_TYPE_SP = 3,
|
|
SLICE_TYPE_SI = 4
|
|
};
|
|
|
|
static const char slice_type_to_char[] = { 'P', 'B', 'I', 'S', 'S' };
|
|
|
|
typedef struct
|
|
{
|
|
x264_sps_t *sps;
|
|
x264_pps_t *pps;
|
|
|
|
int i_type;
|
|
int i_first_mb;
|
|
int i_last_mb;
|
|
|
|
int i_pps_id;
|
|
|
|
int i_frame_num;
|
|
|
|
int b_mbaff;
|
|
int b_field_pic;
|
|
int b_bottom_field;
|
|
|
|
int i_idr_pic_id; /* -1 if nal_type != 5 */
|
|
|
|
int i_poc_lsb;
|
|
int i_delta_poc_bottom;
|
|
|
|
int i_delta_poc[2];
|
|
int i_redundant_pic_cnt;
|
|
|
|
int b_direct_spatial_mv_pred;
|
|
|
|
int b_num_ref_idx_override;
|
|
int i_num_ref_idx_l0_active;
|
|
int i_num_ref_idx_l1_active;
|
|
|
|
int b_ref_pic_list_reordering_l0;
|
|
int b_ref_pic_list_reordering_l1;
|
|
struct {
|
|
int idc;
|
|
int arg;
|
|
} ref_pic_list_order[2][16];
|
|
|
|
int i_cabac_init_idc;
|
|
|
|
int i_qp;
|
|
int i_qp_delta;
|
|
int b_sp_for_swidth;
|
|
int i_qs_delta;
|
|
|
|
/* deblocking filter */
|
|
int i_disable_deblocking_filter_idc;
|
|
int i_alpha_c0_offset;
|
|
int i_beta_offset;
|
|
|
|
} x264_slice_header_t;
|
|
|
|
/* From ffmpeg
|
|
*/
|
|
#define X264_SCAN8_SIZE (6*8)
|
|
#define X264_SCAN8_0 (4+1*8)
|
|
|
|
static const int x264_scan8[16+2*4] =
|
|
{
|
|
/* Luma */
|
|
4+1*8, 5+1*8, 4+2*8, 5+2*8,
|
|
6+1*8, 7+1*8, 6+2*8, 7+2*8,
|
|
4+3*8, 5+3*8, 4+4*8, 5+4*8,
|
|
6+3*8, 7+3*8, 6+4*8, 7+4*8,
|
|
|
|
/* Cb */
|
|
1+1*8, 2+1*8,
|
|
1+2*8, 2+2*8,
|
|
|
|
/* Cr */
|
|
1+4*8, 2+4*8,
|
|
1+5*8, 2+5*8,
|
|
};
|
|
/*
|
|
0 1 2 3 4 5 6 7
|
|
0
|
|
1 B B L L L L
|
|
2 B B L L L L
|
|
3 L L L L
|
|
4 R R L L L L
|
|
5 R R
|
|
*/
|
|
|
|
typedef struct x264_ratecontrol_t x264_ratecontrol_t;
|
|
typedef struct x264_vlc_table_t x264_vlc_table_t;
|
|
|
|
struct x264_t
|
|
{
|
|
/* encoder parameters */
|
|
x264_param_t param;
|
|
|
|
x264_t *thread[X264_SLICE_MAX];
|
|
|
|
/* bitstream output */
|
|
struct
|
|
{
|
|
int i_nal;
|
|
x264_nal_t nal[X264_NAL_MAX];
|
|
int i_bitstream; /* size of p_bitstream */
|
|
uint8_t *p_bitstream; /* will hold data for all nal */
|
|
bs_t bs;
|
|
} out;
|
|
|
|
/* frame number/poc */
|
|
int i_frame;
|
|
|
|
int i_frame_offset; /* decoding only */
|
|
int i_frame_num; /* decoding only */
|
|
int i_poc_msb; /* decoding only */
|
|
int i_poc_lsb; /* decoding only */
|
|
int i_poc; /* decoding only */
|
|
|
|
int i_thread_num; /* threads only */
|
|
int i_nal_type; /* threads only */
|
|
int i_nal_ref_idc; /* threads only */
|
|
|
|
/* We use only one SPS and one PPS */
|
|
x264_sps_t sps_array[1];
|
|
x264_sps_t *sps;
|
|
x264_pps_t pps_array[1];
|
|
x264_pps_t *pps;
|
|
int i_idr_pic_id;
|
|
|
|
int (*dequant4_mf[4])[4][4]; /* [4][6][4][4] */
|
|
int (*dequant8_mf[2])[8][8]; /* [2][6][8][8] */
|
|
int (*quant4_mf[4])[4][4]; /* [4][6][4][4] */
|
|
int (*quant8_mf[2])[8][8]; /* [2][6][8][8] */
|
|
int (*unquant4_mf[4])[16]; /* [4][52][16] */
|
|
int (*unquant8_mf[2])[64]; /* [2][52][64] */
|
|
|
|
uint32_t nr_residual_sum[2][64];
|
|
uint32_t nr_offset[2][64];
|
|
uint32_t nr_count[2];
|
|
|
|
/* Slice header */
|
|
x264_slice_header_t sh;
|
|
|
|
/* cabac context */
|
|
x264_cabac_t cabac;
|
|
|
|
struct
|
|
{
|
|
/* Frames to be encoded (whose types have been decided) */
|
|
x264_frame_t *current[X264_BFRAME_MAX+3];
|
|
/* Temporary buffer (frames types not yet decided) */
|
|
x264_frame_t *next[X264_BFRAME_MAX+3];
|
|
/* Unused frames */
|
|
x264_frame_t *unused[X264_BFRAME_MAX+3];
|
|
/* For adaptive B decision */
|
|
x264_frame_t *last_nonb;
|
|
|
|
/* frames used for reference +1 for decoding + sentinels */
|
|
x264_frame_t *reference[16+2+1+2];
|
|
|
|
int i_last_idr; /* Frame number of the last IDR */
|
|
|
|
int i_input; /* Number of input frames already accepted */
|
|
|
|
int i_max_dpb; /* Number of frames allocated in the decoded picture buffer */
|
|
int i_max_ref0;
|
|
int i_max_ref1;
|
|
int i_delay; /* Number of frames buffered for B reordering */
|
|
int b_have_lowres; /* Whether 1/2 resolution luma planes are being used */
|
|
} frames;
|
|
|
|
/* current frame being encoded */
|
|
x264_frame_t *fenc;
|
|
|
|
/* frame being reconstructed */
|
|
x264_frame_t *fdec;
|
|
|
|
/* references lists */
|
|
int i_ref0;
|
|
x264_frame_t *fref0[16+3]; /* ref list 0 */
|
|
int i_ref1;
|
|
x264_frame_t *fref1[16+3]; /* ref list 1 */
|
|
int b_ref_reorder[2];
|
|
|
|
|
|
|
|
/* Current MB DCT coeffs */
|
|
struct
|
|
{
|
|
DECLARE_ALIGNED( int, luma16x16_dc[16], 16 );
|
|
DECLARE_ALIGNED( int, chroma_dc[2][4], 16 );
|
|
// FIXME merge with union
|
|
DECLARE_ALIGNED( int, luma8x8[4][64], 16 );
|
|
union
|
|
{
|
|
DECLARE_ALIGNED( int, residual_ac[15], 16 );
|
|
DECLARE_ALIGNED( int, luma4x4[16], 16 );
|
|
} block[16+8];
|
|
} dct;
|
|
|
|
/* MB table and cache for current frame/mb */
|
|
struct
|
|
{
|
|
int i_mb_count; /* number of mbs in a frame */
|
|
|
|
/* Strides */
|
|
int i_mb_stride;
|
|
int i_b8_stride;
|
|
int i_b4_stride;
|
|
|
|
/* Current index */
|
|
int i_mb_x;
|
|
int i_mb_y;
|
|
int i_mb_xy;
|
|
int i_b8_xy;
|
|
int i_b4_xy;
|
|
|
|
/* Search parameters */
|
|
int i_me_method;
|
|
int i_subpel_refine;
|
|
int b_chroma_me;
|
|
int b_trellis;
|
|
int b_noise_reduction;
|
|
|
|
int b_interlaced;
|
|
|
|
/* Inverted luma quantization deadzone */
|
|
int i_luma_deadzone[2]; // {inter, intra}
|
|
|
|
/* Allowed qpel MV range to stay within the picture + emulated edge pixels */
|
|
int mv_min[2];
|
|
int mv_max[2];
|
|
/* Subpel MV range for motion search.
|
|
* same mv_min/max but includes levels' i_mv_range. */
|
|
int mv_min_spel[2];
|
|
int mv_max_spel[2];
|
|
/* Fullpel MV range for motion search */
|
|
int mv_min_fpel[2];
|
|
int mv_max_fpel[2];
|
|
|
|
/* neighboring MBs */
|
|
unsigned int i_neighbour;
|
|
unsigned int i_neighbour8[4]; /* neighbours of each 8x8 or 4x4 block that are available */
|
|
unsigned int i_neighbour4[16]; /* at the time the block is coded */
|
|
int i_mb_type_top;
|
|
int i_mb_type_left;
|
|
int i_mb_type_topleft;
|
|
int i_mb_type_topright;
|
|
int i_mb_prev_xy;
|
|
int i_mb_top_xy;
|
|
|
|
/* mb table */
|
|
int8_t *type; /* mb type */
|
|
int8_t *qp; /* mb qp */
|
|
int16_t *cbp; /* mb cbp: 0x0?: luma, 0x?0: chroma, 0x100: luma dc, 0x0200 and 0x0400: chroma dc (all set for PCM)*/
|
|
int8_t (*intra4x4_pred_mode)[7]; /* intra4x4 pred mode. for non I4x4 set to I_PRED_4x4_DC(2) */
|
|
uint8_t (*non_zero_count)[16+4+4]; /* nzc. for I_PCM set to 16 */
|
|
int8_t *chroma_pred_mode; /* chroma_pred_mode. cabac only. for non intra I_PRED_CHROMA_DC(0) */
|
|
int16_t (*mv[2])[2]; /* mb mv. set to 0 for intra mb */
|
|
int16_t (*mvd[2])[2]; /* mb mv difference with predict. set to 0 if intra. cabac only */
|
|
int8_t *ref[2]; /* mb ref. set to -1 if non used (intra or Lx only) */
|
|
int16_t (*mvr[2][32])[2]; /* 16x16 mv for each possible ref */
|
|
int8_t *skipbp; /* block pattern for SKIP or DIRECT (sub)mbs. B-frames + cabac only */
|
|
int8_t *mb_transform_size; /* transform_size_8x8_flag of each mb */
|
|
|
|
/* current value */
|
|
int i_type;
|
|
int i_partition;
|
|
int i_sub_partition[4];
|
|
int b_transform_8x8;
|
|
|
|
int i_cbp_luma;
|
|
int i_cbp_chroma;
|
|
|
|
int i_intra16x16_pred_mode;
|
|
int i_chroma_pred_mode;
|
|
|
|
struct
|
|
{
|
|
/* space for p_fenc and p_fdec */
|
|
#define FENC_STRIDE 16
|
|
#define FDEC_STRIDE 32
|
|
DECLARE_ALIGNED( uint8_t, fenc_buf[24*FENC_STRIDE], 16 );
|
|
DECLARE_ALIGNED( uint8_t, fdec_buf[27*FDEC_STRIDE], 16 );
|
|
|
|
/* pointer over mb of the frame to be compressed */
|
|
uint8_t *p_fenc[3];
|
|
|
|
/* pointer over mb of the frame to be reconstructed */
|
|
uint8_t *p_fdec[3];
|
|
|
|
/* pointer over mb of the references */
|
|
int i_fref[2];
|
|
uint8_t *p_fref[2][32][4+2]; /* last: lN, lH, lV, lHV, cU, cV */
|
|
uint16_t *p_integral[2][16];
|
|
|
|
/* fref stride */
|
|
int i_stride[3];
|
|
} pic;
|
|
|
|
/* cache */
|
|
struct
|
|
{
|
|
/* real intra4x4_pred_mode if I_4X4 or I_8X8, I_PRED_4x4_DC if mb available, -1 if not */
|
|
int intra4x4_pred_mode[X264_SCAN8_SIZE];
|
|
|
|
/* i_non_zero_count if available else 0x80 */
|
|
int non_zero_count[X264_SCAN8_SIZE];
|
|
|
|
/* -1 if unused, -2 if unavailable */
|
|
int8_t ref[2][X264_SCAN8_SIZE];
|
|
|
|
/* 0 if not available */
|
|
int16_t mv[2][X264_SCAN8_SIZE][2];
|
|
int16_t mvd[2][X264_SCAN8_SIZE][2];
|
|
|
|
/* 1 if SKIP or DIRECT. set only for B-frames + CABAC */
|
|
int8_t skip[X264_SCAN8_SIZE];
|
|
|
|
int16_t direct_mv[2][X264_SCAN8_SIZE][2];
|
|
int8_t direct_ref[2][X264_SCAN8_SIZE];
|
|
int pskip_mv[2];
|
|
|
|
/* number of neighbors (top and left) that used 8x8 dct */
|
|
int i_neighbour_transform_size;
|
|
int b_transform_8x8_allowed;
|
|
int i_neighbour_interlaced;
|
|
} cache;
|
|
|
|
/* */
|
|
int i_qp; /* current qp */
|
|
int i_last_qp; /* last qp */
|
|
int i_last_dqp; /* last delta qp */
|
|
int b_variable_qp; /* whether qp is allowed to vary per macroblock */
|
|
int b_lossless;
|
|
int b_direct_auto_read; /* take stats for --direct auto from the 2pass log */
|
|
int b_direct_auto_write; /* analyse direct modes, to use and/or save */
|
|
|
|
/* B_direct and weighted prediction */
|
|
int dist_scale_factor[16][2];
|
|
int bipred_weight[32][4];
|
|
/* maps fref1[0]'s ref indices into the current list0 */
|
|
int map_col_to_list0_buf[2]; // for negative indices
|
|
int map_col_to_list0[16];
|
|
} mb;
|
|
|
|
/* rate control encoding only */
|
|
x264_ratecontrol_t *rc;
|
|
|
|
/* stats */
|
|
struct
|
|
{
|
|
/* Current frame stats */
|
|
struct
|
|
{
|
|
/* Headers bits (MV+Ref+MB Block Type */
|
|
int i_hdr_bits;
|
|
/* Texture bits (Intra/Predicted) */
|
|
int i_itex_bits;
|
|
int i_ptex_bits;
|
|
/* ? */
|
|
int i_misc_bits;
|
|
/* MB type counts */
|
|
int i_mb_count[19];
|
|
int i_mb_count_i;
|
|
int i_mb_count_p;
|
|
int i_mb_count_skip;
|
|
int i_mb_count_8x8dct[2];
|
|
int i_mb_count_size[7];
|
|
int i_mb_count_ref[32];
|
|
/* Estimated (SATD) cost as Intra/Predicted frame */
|
|
/* XXX: both omit the cost of MBs coded as P_SKIP */
|
|
int i_intra_cost;
|
|
int i_inter_cost;
|
|
/* Adaptive direct mv pred */
|
|
int i_direct_score[2];
|
|
} frame;
|
|
|
|
/* Cumulated stats */
|
|
|
|
/* per slice info */
|
|
int i_slice_count[5];
|
|
int64_t i_slice_size[5];
|
|
int i_slice_qp[5];
|
|
/* */
|
|
int64_t i_sqe_global[5];
|
|
float f_psnr_average[5];
|
|
float f_psnr_mean_y[5];
|
|
float f_psnr_mean_u[5];
|
|
float f_psnr_mean_v[5];
|
|
float f_ssim_mean_y[5];
|
|
/* */
|
|
int64_t i_mb_count[5][19];
|
|
int64_t i_mb_count_8x8dct[2];
|
|
int64_t i_mb_count_size[2][7];
|
|
int64_t i_mb_count_ref[2][32];
|
|
/* */
|
|
int i_direct_score[2];
|
|
int i_direct_frames[2];
|
|
|
|
} stat;
|
|
|
|
/* CPU functions dependents */
|
|
x264_predict_t predict_16x16[4+3];
|
|
x264_predict_t predict_8x8c[4+3];
|
|
x264_predict8x8_t predict_8x8[9+3];
|
|
x264_predict_t predict_4x4[9+3];
|
|
|
|
x264_pixel_function_t pixf;
|
|
x264_mc_functions_t mc;
|
|
x264_dct_function_t dctf;
|
|
x264_zigzag_function_t zigzagf;
|
|
x264_csp_function_t csp;
|
|
x264_quant_function_t quantf;
|
|
x264_deblock_function_t loopf;
|
|
|
|
/* vlc table for decoding purpose only */
|
|
x264_vlc_table_t *x264_coeff_token_lookup[5];
|
|
x264_vlc_table_t *x264_level_prefix_lookup;
|
|
x264_vlc_table_t *x264_total_zeros_lookup[15];
|
|
x264_vlc_table_t *x264_total_zeros_dc_lookup[3];
|
|
x264_vlc_table_t *x264_run_before_lookup[7];
|
|
|
|
#if VISUALIZE
|
|
struct visualize_t *visualize;
|
|
#endif
|
|
};
|
|
|
|
// included at the end because it needs x264_t
|
|
#include "macroblock.h"
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|