Libav
dsputil.h
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1 /*
2  * DSP utils
3  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5  *
6  * This file is part of Libav.
7  *
8  * Libav is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * Libav is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with Libav; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
30 #ifndef AVCODEC_DSPUTIL_H
31 #define AVCODEC_DSPUTIL_H
32 
33 #include "libavutil/intreadwrite.h"
34 #include "avcodec.h"
35 #include "rnd_avg.h"
36 
37 /* encoding scans */
38 extern const uint8_t ff_alternate_horizontal_scan[64];
39 extern const uint8_t ff_alternate_vertical_scan[64];
40 extern const uint8_t ff_zigzag_direct[64];
41 extern const uint8_t ff_zigzag248_direct[64];
42 
43 /* pixel operations */
44 #define MAX_NEG_CROP 1024
45 
46 /* temporary */
47 extern uint32_t ff_squareTbl[512];
48 extern const uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP];
49 
50 void ff_put_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
51 void ff_avg_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
52 void ff_put_pixels16x16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
53 void ff_avg_pixels16x16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
54 
55 /* RV40 functions */
56 void ff_put_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
57 void ff_avg_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
58 void ff_put_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
59 void ff_avg_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
60 
61 void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy,
62  int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
63 
64 /* minimum alignment rules ;)
65 If you notice errors in the align stuff, need more alignment for some ASM code
66 for some CPU or need to use a function with less aligned data then send a mail
67 to the libav-devel mailing list, ...
68 
69 !warning These alignments might not match reality, (missing attribute((align))
70 stuff somewhere possible).
71 I (Michael) did not check them, these are just the alignments which I think
72 could be reached easily ...
73 
74 !future video codecs might need functions with less strict alignment
75 */
76 
77 /* add and put pixel (decoding) */
78 // blocksizes for op_pixels_func are 8x4,8x8 16x8 16x16
79 //h for op_pixels_func is limited to {width/2, width} but never larger than 16 and never smaller than 4
80 typedef void (*tpel_mc_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int w, int h);
81 typedef void (*qpel_mc_func)(uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, ptrdiff_t stride);
82 
83 typedef void (*op_fill_func)(uint8_t *block/*align width (8 or 16)*/, uint8_t value, int line_size, int h);
84 
85 #define DEF_OLD_QPEL(name)\
86 void ff_put_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, ptrdiff_t stride);\
87 void ff_put_no_rnd_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, ptrdiff_t stride);\
88 void ff_avg_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, ptrdiff_t stride);
89 
90 DEF_OLD_QPEL(qpel16_mc11_old_c)
91 DEF_OLD_QPEL(qpel16_mc31_old_c)
92 DEF_OLD_QPEL(qpel16_mc12_old_c)
93 DEF_OLD_QPEL(qpel16_mc32_old_c)
94 DEF_OLD_QPEL(qpel16_mc13_old_c)
95 DEF_OLD_QPEL(qpel16_mc33_old_c)
96 DEF_OLD_QPEL(qpel8_mc11_old_c)
97 DEF_OLD_QPEL(qpel8_mc31_old_c)
98 DEF_OLD_QPEL(qpel8_mc12_old_c)
99 DEF_OLD_QPEL(qpel8_mc32_old_c)
100 DEF_OLD_QPEL(qpel8_mc13_old_c)
101 DEF_OLD_QPEL(qpel8_mc33_old_c)
102 
103 /* motion estimation */
104 // h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller than 2
105 // although currently h<4 is not used as functions with width <8 are neither used nor implemented
106 typedef int (*me_cmp_func)(void /*MpegEncContext*/ *s, uint8_t *blk1/*align width (8 or 16)*/, uint8_t *blk2/*align 1*/, int line_size, int h)/* __attribute__ ((const))*/;
107 
111 typedef struct ScanTable{
113  uint8_t permutated[64];
114  uint8_t raster_end[64];
115 } ScanTable;
116 
117 void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
118 void ff_init_scantable_permutation(uint8_t *idct_permutation,
119  int idct_permutation_type);
120 
124 typedef struct DSPContext {
125  /* pixel ops : interface with DCT */
126  void (*get_pixels)(int16_t *block/*align 16*/, const uint8_t *pixels/*align 8*/, int line_size);
127  void (*diff_pixels)(int16_t *block/*align 16*/, const uint8_t *s1/*align 8*/, const uint8_t *s2/*align 8*/, int stride);
128  void (*put_pixels_clamped)(const int16_t *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
129  void (*put_signed_pixels_clamped)(const int16_t *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
130  void (*add_pixels_clamped)(const int16_t *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
131  void (*add_pixels8)(uint8_t *pixels, int16_t *block, int line_size);
132  int (*sum_abs_dctelem)(int16_t *block/*align 16*/);
136  void (*gmc1)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder);
140  void (*gmc )(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int ox, int oy,
141  int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
142  void (*clear_block)(int16_t *block/*align 16*/);
143  void (*clear_blocks)(int16_t *blocks/*align 16*/);
144  int (*pix_sum)(uint8_t * pix, int line_size);
145  int (*pix_norm1)(uint8_t * pix, int line_size);
146 // 16x16 8x8 4x4 2x2 16x8 8x4 4x2 8x16 4x8 2x4
147 
148  me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */
160 
165  me_cmp_func ildct_cmp[6]; //only width 16 used
166  me_cmp_func frame_skip_cmp[6]; //only width 8 used
167 
168  int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2,
169  int size);
170 
181  tpel_mc_func put_tpel_pixels_tab[11]; //FIXME individual func ptr per width?
182  tpel_mc_func avg_tpel_pixels_tab[11]; //FIXME individual func ptr per width?
183 
188 
190 
191  /* huffyuv specific */
192  void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w);
193  void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w);
198  void (*sub_hfyu_median_prediction)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w, int *left, int *left_top);
199  void (*add_hfyu_median_prediction)(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top);
200  int (*add_hfyu_left_prediction)(uint8_t *dst, const uint8_t *src, int w, int left);
201  void (*add_hfyu_left_prediction_bgr32)(uint8_t *dst, const uint8_t *src, int w, int *red, int *green, int *blue, int *alpha);
202  void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w);
203  void (*bswap16_buf)(uint16_t *dst, const uint16_t *src, int len);
204 
205  /* assume len is a multiple of 8, and arrays are 16-byte aligned */
206  void (*vector_clipf)(float *dst /* align 16 */, const float *src /* align 16 */, float min, float max, int len /* align 16 */);
207 
208  /* (I)DCT */
209  void (*fdct)(int16_t *block/* align 16*/);
210  void (*fdct248)(int16_t *block/* align 16*/);
211 
212  /* IDCT really*/
213  void (*idct)(int16_t *block/* align 16*/);
214 
220  void (*idct_put)(uint8_t *dest/*align 8*/, int line_size, int16_t *block/*align 16*/);
221 
226  void (*idct_add)(uint8_t *dest/*align 8*/, int line_size, int16_t *block/*align 16*/);
227 
242 #define FF_NO_IDCT_PERM 1
243 #define FF_LIBMPEG2_IDCT_PERM 2
244 #define FF_SIMPLE_IDCT_PERM 3
245 #define FF_TRANSPOSE_IDCT_PERM 4
246 #define FF_PARTTRANS_IDCT_PERM 5
247 #define FF_SSE2_IDCT_PERM 6
248 
249  int (*try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale);
250  void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale);
251 #define BASIS_SHIFT 16
252 #define RECON_SHIFT 6
253 
254  void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w, int h, int sides);
255 #define EDGE_WIDTH 16
256 #define EDGE_TOP 1
257 #define EDGE_BOTTOM 2
258 
259  void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
260 
265  int32_t (*scalarproduct_int16)(const int16_t *v1, const int16_t *v2/*align 16*/, int len);
266  /* ape functions */
272  int32_t (*scalarproduct_and_madd_int16)(int16_t *v1/*align 16*/, const int16_t *v2, const int16_t *v3, int len, int mul);
273 
288  int32_t max, unsigned int len);
289 
291 } DSPContext;
292 
293 void ff_dsputil_static_init(void);
294 void ff_dsputil_init(DSPContext* p, AVCodecContext *avctx);
295 
296 int ff_check_alignment(void);
297 
298 void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type);
299 
306 
307 #endif /* AVCODEC_DSPUTIL_H */
void ff_dsputil_static_init(void)
Definition: dsputil.c:2411
me_cmp_func vsad[6]
Definition: dsputil.h:155
void(* put_signed_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size)
Definition: dsputil.h:129
me_cmp_func frame_skip_cmp[6]
Definition: dsputil.h:166
int size
void(* get_pixels)(int16_t *block, const uint8_t *pixels, int line_size)
Definition: dsputil.h:126
void(* add_hfyu_left_prediction_bgr32)(uint8_t *dst, const uint8_t *src, int w, int *red, int *green, int *blue, int *alpha)
Definition: dsputil.h:201
void(* shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height)
Definition: dsputil.h:259
const uint8_t ff_alternate_vertical_scan[64]
Definition: dsputil.c:82
int(* sum_abs_dctelem)(int16_t *block)
Definition: dsputil.h:132
void ff_dsputil_init_ppc(DSPContext *c, AVCodecContext *avctx)
Definition: dsputil_ppc.c:141
void ff_put_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)
void ff_dsputil_init_arm(DSPContext *c, AVCodecContext *avctx)
int(* try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale)
Definition: dsputil.h:249
void(* draw_edges)(uint8_t *buf, int wrap, int width, int height, int w, int h, int sides)
Definition: dsputil.h:254
int(* me_cmp_func)(void *s, uint8_t *blk1, uint8_t *blk2, int line_size, int h)
Definition: dsputil.h:106
Scantable.
Definition: dsputil.h:111
me_cmp_func dct_max[6]
Definition: dsputil.h:158
#define MAX_NEG_CROP
Definition: dsputil.h:44
me_cmp_func sse[6]
Definition: dsputil.h:149
const uint8_t ff_cropTbl[256+2 *MAX_NEG_CROP]
Definition: mathtables.c:92
const uint8_t ff_zigzag248_direct[64]
Definition: dsputil.c:60
int stride
Definition: mace.c:144
void(* idct_add)(uint8_t *dest, int line_size, int16_t *block)
block -> idct -> add dest -> clip to unsigned 8 bit -> dest.
Definition: dsputil.h:226
int(* pix_sum)(uint8_t *pix, int line_size)
Definition: dsputil.h:144
void ff_dsputil_init(DSPContext *p, AVCodecContext *avctx)
Definition: dsputil.c:2440
void(* idct_put)(uint8_t *dest, int line_size, int16_t *block)
block -> idct -> clip to unsigned 8 bit -> dest.
Definition: dsputil.h:220
uint8_t
const uint8_t ff_alternate_horizontal_scan[64]
Definition: dsputil.c:71
uint32_t ff_squareTbl[512]
Definition: dsputil.c:45
#define DEF_OLD_QPEL(name)
Definition: dsputil.h:85
me_cmp_func me_pre_cmp[6]
Definition: dsputil.h:161
me_cmp_func me_cmp[6]
Definition: dsputil.h:162
void(* add_bytes)(uint8_t *dst, uint8_t *src, int w)
Definition: dsputil.h:192
void(* add_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size)
Definition: dsputil.h:130
me_cmp_func dct_sad[6]
Definition: dsputil.h:151
uint8_t idct_permutation[64]
idct input permutation.
Definition: dsputil.h:240
me_cmp_func ildct_cmp[6]
Definition: dsputil.h:165
const uint8_t * scantable
Definition: dsputil.h:112
void ff_dsputil_init_x86(DSPContext *c, AVCodecContext *avctx)
Definition: dsputil_init.c:661
qpel_mc_func put_qpel_pixels_tab[2][16]
Definition: dsputil.h:184
me_cmp_func nsse[6]
Definition: dsputil.h:157
qpel_mc_func put_mspel_pixels_tab[8]
Definition: dsputil.h:187
#define r
Definition: input.c:51
void ff_avg_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)
void(* fdct248)(int16_t *block)
Definition: dsputil.h:210
int32_t(* scalarproduct_int16)(const int16_t *v1, const int16_t *v2, int len)
Calculate scalar product of two vectors.
Definition: dsputil.h:265
void(* bswap16_buf)(uint16_t *dst, const uint16_t *src, int len)
Definition: dsputil.h:203
void(* sub_hfyu_median_prediction)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w, int *left, int *left_top)
subtract huffyuv's variant of median prediction note, this might read from src1[-1], src2[-1]
Definition: dsputil.h:198
tpel_mc_func avg_tpel_pixels_tab[11]
Definition: dsputil.h:182
void ff_avg_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)
int ff_check_alignment(void)
Definition: dsputil.c:2420
void(* bswap_buf)(uint32_t *dst, const uint32_t *src, int w)
Definition: dsputil.h:202
qpel_mc_func avg_qpel_pixels_tab[2][16]
Definition: dsputil.h:185
#define wrap(func)
Definition: neontest.h:62
int(* add_hfyu_left_prediction)(uint8_t *dst, const uint8_t *src, int w, int left)
Definition: dsputil.h:200
me_cmp_func mb_cmp[6]
Definition: dsputil.h:164
void ff_set_cmp(DSPContext *c, me_cmp_func *cmp, int type)
Definition: dsputil.c:1688
void ff_dsputil_init_bfin(DSPContext *c, AVCodecContext *avctx)
Definition: dsputil_bfin.c:126
void(* idct)(int16_t *block)
Definition: dsputil.h:213
me_cmp_func vsse[6]
Definition: dsputil.h:156
void(* add_hfyu_median_prediction)(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top)
Definition: dsputil.h:199
void(* clear_blocks)(int16_t *blocks)
Definition: dsputil.h:143
int32_t
void ff_dsputil_init_vis(DSPContext *c, AVCodecContext *avctx)
Definition: dsputil_vis.c:26
static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags)
compares a block (either a full macroblock or a partition thereof) against a proposed motion-compensa...
Definition: motion_est.c:251
me_cmp_func bit[6]
Definition: dsputil.h:153
static int width
Definition: utils.c:156
Libavcodec external API header.
void(* put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size)
Definition: dsputil.h:128
int idct_permutation_type
Definition: dsputil.h:241
void(* vector_clipf)(float *dst, const float *src, float min, float max, int len)
Definition: dsputil.h:206
main external API structure.
Definition: avcodec.h:1054
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
void(* qpel_mc_func)(uint8_t *dst, uint8_t *src, ptrdiff_t stride)
Definition: dsputil.h:81
me_cmp_func dct264_sad[6]
Definition: dsputil.h:159
op_fill_func fill_block_tab[2]
Definition: dsputil.h:290
void(* diff_pixels)(int16_t *block, const uint8_t *s1, const uint8_t *s2, int stride)
Definition: dsputil.h:127
void ff_put_pixels16x16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)
Definition: dsputil.c:1276
void(* gmc1)(uint8_t *dst, uint8_t *src, int srcStride, int h, int x16, int y16, int rounder)
translational global motion compensation.
Definition: dsputil.h:136
void(* add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale)
Definition: dsputil.h:250
int(* pix_norm1)(uint8_t *pix, int line_size)
Definition: dsputil.h:145
int(* ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2, int size)
Definition: dsputil.h:168
void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable)
Definition: dsputil.c:107
static const uint16_t scale[4]
me_cmp_func rd[6]
Definition: dsputil.h:154
int height
Definition: gxfenc.c:72
tpel_mc_func put_tpel_pixels_tab[11]
Thirdpel motion compensation with rounding (a+b+1)>>1.
Definition: dsputil.h:181
void(* vector_clip_int32)(int32_t *dst, const int32_t *src, int32_t min, int32_t max, unsigned int len)
Clip each element in an array of int32_t to a given minimum and maximum value.
Definition: dsputil.h:287
void ff_avg_pixels16x16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)
Definition: dsputil.c:1280
void(* diff_bytes)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w)
Definition: dsputil.h:193
const uint8_t ff_zigzag_direct[64]
Definition: mathtables.c:113
void ff_put_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)
Definition: dsputil.c:1268
void(* gmc)(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy, int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height)
global motion compensation.
Definition: dsputil.h:140
void ff_dsputil_init_sh4(DSPContext *c, AVCodecContext *avctx)
Definition: dsputil_sh4.c:93
static int16_t basis[64][64]
void(* clear_block)(int16_t *block)
Definition: dsputil.h:142
void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy, int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height)
Definition: dsputil.c:484
me_cmp_func sad[6]
Definition: dsputil.h:148
int32_t(* scalarproduct_and_madd_int16)(int16_t *v1, const int16_t *v2, const int16_t *v3, int len, int mul)
Calculate scalar product of v1 and v2, and v1[i] += v3[i] * mul.
Definition: dsputil.h:272
void(* tpel_mc_func)(uint8_t *block, const uint8_t *pixels, int line_size, int w, int h)
Definition: dsputil.h:80
me_cmp_func hadamard8_diff[6]
Definition: dsputil.h:150
int len
void ff_put_rv40_qpel16_mc33_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)
void(* fdct)(int16_t *block)
Definition: dsputil.h:209
void(* add_pixels8)(uint8_t *pixels, int16_t *block, int line_size)
Definition: dsputil.h:131
me_cmp_func quant_psnr[6]
Definition: dsputil.h:152
qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16]
Definition: dsputil.h:186
void ff_avg_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)
Definition: dsputil.c:1272
me_cmp_func me_sub_cmp[6]
Definition: dsputil.h:163
static const uint16_t rounder[4]
float min
void ff_init_scantable_permutation(uint8_t *idct_permutation, int idct_permutation_type)
Definition: dsputil.c:130
me_cmp_func pix_abs[2][4]
Definition: dsputil.h:189
DSPContext.
Definition: dsputil.h:124
void(* op_fill_func)(uint8_t *block, uint8_t value, int line_size, int h)
Definition: dsputil.h:83
static int16_t block[64]
Definition: dct-test.c:170