3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
6 * This file is part of FFmpeg.
8 * FFmpeg 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.
13 * FFmpeg 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.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 * note, many functions in here may use MMX which trashes the FPU state, it is
27 * absolutely necessary to call emms_c() between dsp & float/double code
30 #ifndef FFMPEG_DSPUTIL_H
31 #define FFMPEG_DSPUTIL_H
38 typedef short DCTELEM;
40 typedef short IDWTELEM;
42 void fdct_ifast (DCTELEM *data);
43 void fdct_ifast248 (DCTELEM *data);
44 void ff_jpeg_fdct_islow (DCTELEM *data);
45 void ff_fdct248_islow (DCTELEM *data);
47 void j_rev_dct (DCTELEM *data);
48 void j_rev_dct4 (DCTELEM *data);
49 void j_rev_dct2 (DCTELEM *data);
50 void j_rev_dct1 (DCTELEM *data);
51 void ff_wmv2_idct_c(DCTELEM *data);
53 void ff_fdct_mmx(DCTELEM *block);
54 void ff_fdct_mmx2(DCTELEM *block);
55 void ff_fdct_sse2(DCTELEM *block);
57 void ff_h264_idct8_add_c(uint8_t *dst, DCTELEM *block, int stride);
58 void ff_h264_idct_add_c(uint8_t *dst, DCTELEM *block, int stride);
59 void ff_h264_idct8_dc_add_c(uint8_t *dst, DCTELEM *block, int stride);
60 void ff_h264_idct_dc_add_c(uint8_t *dst, DCTELEM *block, int stride);
61 void ff_h264_lowres_idct_add_c(uint8_t *dst, int stride, DCTELEM *block);
62 void ff_h264_lowres_idct_put_c(uint8_t *dst, int stride, DCTELEM *block);
64 void ff_vector_fmul_add_add_c(float *dst, const float *src0, const float *src1,
65 const float *src2, int src3, int blocksize, int step);
66 void ff_float_to_int16_c(int16_t *dst, const float *src, int len);
69 extern const uint8_t ff_alternate_horizontal_scan[64];
70 extern const uint8_t ff_alternate_vertical_scan[64];
71 extern const uint8_t ff_zigzag_direct[64];
72 extern const uint8_t ff_zigzag248_direct[64];
74 /* pixel operations */
75 #define MAX_NEG_CROP 1024
78 extern uint32_t ff_squareTbl[512];
79 extern uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP];
81 /* VP3 DSP functions */
82 void ff_vp3_idct_c(DCTELEM *block/* align 16*/);
83 void ff_vp3_idct_put_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
84 void ff_vp3_idct_add_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
86 /* 1/2^n downscaling functions from imgconvert.c */
87 void ff_img_copy_plane(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
88 void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
89 void ff_shrink44(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
90 void ff_shrink88(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
92 void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy,
93 int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
95 /* minimum alignment rules ;)
96 if u notice errors in the align stuff, need more alignment for some asm code for some cpu
97 or need to use a function with less aligned data then send a mail to the ffmpeg-dev list, ...
99 !warning these alignments might not match reallity, (missing attribute((align)) stuff somewhere possible)
100 i (michael) didnt check them, these are just the alignents which i think could be reached easily ...
102 !future video codecs might need functions with less strict alignment
106 void get_pixels_c(DCTELEM *block, const uint8_t *pixels, int line_size);
107 void diff_pixels_c(DCTELEM *block, const uint8_t *s1, const uint8_t *s2, int stride);
108 void put_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size);
109 void add_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size);
110 void clear_blocks_c(DCTELEM *blocks);
113 /* add and put pixel (decoding) */
114 // blocksizes for op_pixels_func are 8x4,8x8 16x8 16x16
115 //h for op_pixels_func is limited to {width/2, width} but never larger than 16 and never smaller then 4
116 typedef void (*op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int h);
117 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);
118 typedef void (*qpel_mc_func)(uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);
119 typedef void (*h264_chroma_mc_func)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y);
120 typedef void (*h264_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int offset);
121 typedef void (*h264_biweight_func)(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset);
123 #define DEF_OLD_QPEL(name)\
124 void ff_put_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\
125 void ff_put_no_rnd_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\
126 void ff_avg_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);
128 DEF_OLD_QPEL(qpel16_mc11_old_c)
129 DEF_OLD_QPEL(qpel16_mc31_old_c)
130 DEF_OLD_QPEL(qpel16_mc12_old_c)
131 DEF_OLD_QPEL(qpel16_mc32_old_c)
132 DEF_OLD_QPEL(qpel16_mc13_old_c)
133 DEF_OLD_QPEL(qpel16_mc33_old_c)
134 DEF_OLD_QPEL(qpel8_mc11_old_c)
135 DEF_OLD_QPEL(qpel8_mc31_old_c)
136 DEF_OLD_QPEL(qpel8_mc12_old_c)
137 DEF_OLD_QPEL(qpel8_mc32_old_c)
138 DEF_OLD_QPEL(qpel8_mc13_old_c)
139 DEF_OLD_QPEL(qpel8_mc33_old_c)
141 #define CALL_2X_PIXELS(a, b, n)\
142 static void a(uint8_t *block, const uint8_t *pixels, int line_size, int h){\
143 b(block , pixels , line_size, h);\
144 b(block+n, pixels+n, line_size, h);\
147 /* motion estimation */
148 // h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller then 2
149 // although currently h<4 is not used as functions with width <8 are neither used nor implemented
150 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))*/;
154 typedef struct slice_buffer_s slice_buffer;
159 typedef struct DSPContext {
160 /* pixel ops : interface with DCT */
161 void (*get_pixels)(DCTELEM *block/*align 16*/, const uint8_t *pixels/*align 8*/, int line_size);
162 void (*diff_pixels)(DCTELEM *block/*align 16*/, const uint8_t *s1/*align 8*/, const uint8_t *s2/*align 8*/, int stride);
163 void (*put_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
164 void (*put_signed_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
165 void (*add_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
166 void (*add_pixels8)(uint8_t *pixels, DCTELEM *block, int line_size);
167 void (*add_pixels4)(uint8_t *pixels, DCTELEM *block, int line_size);
168 int (*sum_abs_dctelem)(DCTELEM *block/*align 16*/);
170 * translational global motion compensation.
172 void (*gmc1)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder);
174 * global motion compensation.
176 void (*gmc )(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int ox, int oy,
177 int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
178 void (*clear_blocks)(DCTELEM *blocks/*align 16*/);
179 int (*pix_sum)(uint8_t * pix, int line_size);
180 int (*pix_norm1)(uint8_t * pix, int line_size);
181 // 16x16 8x8 4x4 2x2 16x8 8x4 4x2 8x16 4x8 2x4
183 me_cmp_func sad[5]; /* identical to pix_absAxA except additional void * */
185 me_cmp_func hadamard8_diff[5];
186 me_cmp_func dct_sad[5];
187 me_cmp_func quant_psnr[5];
195 me_cmp_func dct_max[5];
196 me_cmp_func dct264_sad[5];
198 me_cmp_func me_pre_cmp[5];
199 me_cmp_func me_cmp[5];
200 me_cmp_func me_sub_cmp[5];
201 me_cmp_func mb_cmp[5];
202 me_cmp_func ildct_cmp[5]; //only width 16 used
203 me_cmp_func frame_skip_cmp[5]; //only width 8 used
205 int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2,
209 * Halfpel motion compensation with rounding (a+b+1)>>1.
210 * this is an array[4][4] of motion compensation functions for 4
211 * horizontal blocksizes (8,16) and the 4 halfpel positions<br>
212 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
213 * @param block destination where the result is stored
214 * @param pixels source
215 * @param line_size number of bytes in a horizontal line of block
218 op_pixels_func put_pixels_tab[4][4];
221 * Halfpel motion compensation with rounding (a+b+1)>>1.
222 * This is an array[4][4] of motion compensation functions for 4
223 * horizontal blocksizes (8,16) and the 4 halfpel positions<br>
224 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
225 * @param block destination into which the result is averaged (a+b+1)>>1
226 * @param pixels source
227 * @param line_size number of bytes in a horizontal line of block
230 op_pixels_func avg_pixels_tab[4][4];
233 * Halfpel motion compensation with no rounding (a+b)>>1.
234 * this is an array[2][4] of motion compensation functions for 2
235 * horizontal blocksizes (8,16) and the 4 halfpel positions<br>
236 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
237 * @param block destination where the result is stored
238 * @param pixels source
239 * @param line_size number of bytes in a horizontal line of block
242 op_pixels_func put_no_rnd_pixels_tab[4][4];
245 * Halfpel motion compensation with no rounding (a+b)>>1.
246 * this is an array[2][4] of motion compensation functions for 2
247 * horizontal blocksizes (8,16) and the 4 halfpel positions<br>
248 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
249 * @param block destination into which the result is averaged (a+b)>>1
250 * @param pixels source
251 * @param line_size number of bytes in a horizontal line of block
254 op_pixels_func avg_no_rnd_pixels_tab[4][4];
256 void (*put_no_rnd_pixels_l2[2])(uint8_t *block/*align width (8 or 16)*/, const uint8_t *a/*align 1*/, const uint8_t *b/*align 1*/, int line_size, int h);
259 * Thirdpel motion compensation with rounding (a+b+1)>>1.
260 * this is an array[12] of motion compensation functions for the 9 thirdpe
262 * *pixels_tab[ xthirdpel + 4*ythirdpel ]
263 * @param block destination where the result is stored
264 * @param pixels source
265 * @param line_size number of bytes in a horizontal line of block
268 tpel_mc_func put_tpel_pixels_tab[11]; //FIXME individual func ptr per width?
269 tpel_mc_func avg_tpel_pixels_tab[11]; //FIXME individual func ptr per width?
271 qpel_mc_func put_qpel_pixels_tab[2][16];
272 qpel_mc_func avg_qpel_pixels_tab[2][16];
273 qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16];
274 qpel_mc_func avg_no_rnd_qpel_pixels_tab[2][16];
275 qpel_mc_func put_mspel_pixels_tab[8];
280 h264_chroma_mc_func put_h264_chroma_pixels_tab[3];
281 /* This is really one func used in VC-1 decoding */
282 h264_chroma_mc_func put_no_rnd_h264_chroma_pixels_tab[3];
283 h264_chroma_mc_func avg_h264_chroma_pixels_tab[3];
285 qpel_mc_func put_h264_qpel_pixels_tab[4][16];
286 qpel_mc_func avg_h264_qpel_pixels_tab[4][16];
288 qpel_mc_func put_2tap_qpel_pixels_tab[4][16];
289 qpel_mc_func avg_2tap_qpel_pixels_tab[4][16];
291 h264_weight_func weight_h264_pixels_tab[10];
292 h264_biweight_func biweight_h264_pixels_tab[10];
295 qpel_mc_func put_cavs_qpel_pixels_tab[2][16];
296 qpel_mc_func avg_cavs_qpel_pixels_tab[2][16];
297 void (*cavs_filter_lv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
298 void (*cavs_filter_lh)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
299 void (*cavs_filter_cv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
300 void (*cavs_filter_ch)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
301 void (*cavs_idct8_add)(uint8_t *dst, DCTELEM *block, int stride);
303 me_cmp_func pix_abs[2][4];
305 /* huffyuv specific */
306 void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w);
307 void (*add_bytes_l2)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 16*/, int w);
308 void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w);
310 * subtract huffyuv's variant of median prediction
311 * note, this might read from src1[-1], src2[-1]
313 void (*sub_hfyu_median_prediction)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top);
314 /* this might write to dst[w] */
315 void (*add_png_paeth_prediction)(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp);
316 void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w);
318 void (*h264_v_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
319 void (*h264_h_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
320 void (*h264_v_loop_filter_chroma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
321 void (*h264_h_loop_filter_chroma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
322 void (*h264_v_loop_filter_chroma_intra)(uint8_t *pix, int stride, int alpha, int beta);
323 void (*h264_h_loop_filter_chroma_intra)(uint8_t *pix, int stride, int alpha, int beta);
324 // h264_loop_filter_strength: simd only. the C version is inlined in h264.c
325 void (*h264_loop_filter_strength)(int16_t bS[2][4][4], uint8_t nnz[40], int8_t ref[2][40], int16_t mv[2][40][2],
326 int bidir, int edges, int step, int mask_mv0, int mask_mv1);
328 void (*h263_v_loop_filter)(uint8_t *src, int stride, int qscale);
329 void (*h263_h_loop_filter)(uint8_t *src, int stride, int qscale);
331 void (*h261_loop_filter)(uint8_t *src, int stride);
333 void (*x8_v_loop_filter)(uint8_t *src, int stride, int qscale);
334 void (*x8_h_loop_filter)(uint8_t *src, int stride, int qscale);
336 /* assume len is a multiple of 4, and arrays are 16-byte aligned */
337 void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize);
338 /* no alignment needed */
339 void (*flac_compute_autocorr)(const int32_t *data, int len, int lag, double *autoc);
340 /* assume len is a multiple of 8, and arrays are 16-byte aligned */
341 void (*vector_fmul)(float *dst, const float *src, int len);
342 void (*vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len);
343 /* assume len is a multiple of 8, and src arrays are 16-byte aligned */
344 void (*vector_fmul_add_add)(float *dst, const float *src0, const float *src1, const float *src2, int src3, int len, int step);
346 /* C version: convert floats from the range [384.0,386.0] to ints in [-32768,32767]
347 * simd versions: convert floats from [-32768.0,32767.0] without rescaling and arrays are 16byte aligned */
348 void (*float_to_int16)(int16_t *dst, const float *src, int len);
351 void (*fdct)(DCTELEM *block/* align 16*/);
352 void (*fdct248)(DCTELEM *block/* align 16*/);
355 void (*idct)(DCTELEM *block/* align 16*/);
358 * block -> idct -> clip to unsigned 8 bit -> dest.
359 * (-1392, 0, 0, ...) -> idct -> (-174, -174, ...) -> put -> (0, 0, ...)
360 * @param line_size size in bytes of a horizontal line of dest
362 void (*idct_put)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
365 * block -> idct -> add dest -> clip to unsigned 8 bit -> dest.
366 * @param line_size size in bytes of a horizontal line of dest
368 void (*idct_add)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
371 * idct input permutation.
372 * several optimized IDCTs need a permutated input (relative to the normal order of the reference
374 * this permutation must be performed before the idct_put/add, note, normally this can be merged
375 * with the zigzag/alternate scan<br>
376 * an example to avoid confusion:
377 * - (->decode coeffs -> zigzag reorder -> dequant -> reference idct ->...)
378 * - (x -> referece dct -> reference idct -> x)
379 * - (x -> referece dct -> simple_mmx_perm = idct_permutation -> simple_idct_mmx -> x)
380 * - (->decode coeffs -> zigzag reorder -> simple_mmx_perm -> dequant -> simple_idct_mmx ->...)
382 uint8_t idct_permutation[64];
383 int idct_permutation_type;
384 #define FF_NO_IDCT_PERM 1
385 #define FF_LIBMPEG2_IDCT_PERM 2
386 #define FF_SIMPLE_IDCT_PERM 3
387 #define FF_TRANSPOSE_IDCT_PERM 4
388 #define FF_PARTTRANS_IDCT_PERM 5
390 int (*try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale);
391 void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale);
392 #define BASIS_SHIFT 16
393 #define RECON_SHIFT 6
395 void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w);
398 void (*h264_idct_add)(uint8_t *dst, DCTELEM *block, int stride);
399 void (*h264_idct8_add)(uint8_t *dst, DCTELEM *block, int stride);
400 void (*h264_idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
401 void (*h264_idct8_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
402 void (*h264_dct)(DCTELEM block[4][4]);
405 void (*vertical_compose97i)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width);
406 void (*horizontal_compose97i)(IDWTELEM *b, int width);
407 void (*inner_add_yblock)(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8);
409 void (*prefetch)(void *mem, int stride, int h);
411 void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
414 void (*vc1_inv_trans_8x8)(DCTELEM *b);
415 void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block);
416 void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block);
417 void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block);
418 void (*vc1_v_overlap)(uint8_t* src, int stride);
419 void (*vc1_h_overlap)(uint8_t* src, int stride);
420 /* put 8x8 block with bicubic interpolation and quarterpel precision
421 * last argument is actually round value instead of height
423 op_pixels_func put_vc1_mspel_pixels_tab[16];
425 /* intrax8 functions */
426 void (*x8_spatial_compensation[12])(uint8_t *src , uint8_t *dst, int linesize);
427 void (*x8_setup_spatial_compensation)(uint8_t *src, uint8_t *dst, int linesize,
428 int * range, int * sum, int edges);
432 void dsputil_static_init(void);
433 void dsputil_init(DSPContext* p, AVCodecContext *avctx);
435 int ff_check_alignment(void);
438 * permute block according to permuatation.
439 * @param last last non zero element in scantable order
441 void ff_block_permute(DCTELEM *block, uint8_t *permutation, const uint8_t *scantable, int last);
443 void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type);
445 #define BYTE_VEC32(c) ((c)*0x01010101UL)
447 static inline uint32_t rnd_avg32(uint32_t a, uint32_t b)
449 return (a | b) - (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1);
452 static inline uint32_t no_rnd_avg32(uint32_t a, uint32_t b)
454 return (a & b) + (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1);
457 static inline int get_penalty_factor(int lambda, int lambda2, int type){
461 return lambda>>FF_LAMBDA_SHIFT;
463 return (3*lambda)>>(FF_LAMBDA_SHIFT+1);
465 return (4*lambda)>>(FF_LAMBDA_SHIFT);
467 return (2*lambda)>>(FF_LAMBDA_SHIFT);
470 return (2*lambda)>>FF_LAMBDA_SHIFT;
475 return lambda2>>FF_LAMBDA_SHIFT;
483 * this must be called between any dsp function and float/double code.
484 * for example sin(); dsp->idct_put(); emms_c(); cos()
488 /* should be defined by architectures supporting
489 one or more MultiMedia extension */
490 int mm_support(void);
492 void dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx);
493 void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx);
494 void dsputil_init_bfin(DSPContext* c, AVCodecContext *avctx);
495 void dsputil_init_mlib(DSPContext* c, AVCodecContext *avctx);
496 void dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx);
497 void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx);
498 void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx);
499 void dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx);
500 void dsputil_init_vis(DSPContext* c, AVCodecContext *avctx);
502 #define DECLARE_ALIGNED_16(t, v) DECLARE_ALIGNED(16, t, v)
504 #if defined(HAVE_MMX)
508 #define MM_MMX 0x0001 /* standard MMX */
509 #define MM_3DNOW 0x0004 /* AMD 3DNOW */
510 #define MM_MMXEXT 0x0002 /* SSE integer functions or AMD MMX ext */
511 #define MM_SSE 0x0008 /* SSE functions */
512 #define MM_SSE2 0x0010 /* PIV SSE2 functions */
513 #define MM_3DNOWEXT 0x0020 /* AMD 3DNowExt */
514 #define MM_SSE3 0x0040 /* Prescott SSE3 functions */
515 #define MM_SSSE3 0x0080 /* Conroe SSSE3 functions */
519 void add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
520 void put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
521 void put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
523 static inline void emms(void)
525 asm volatile ("emms;":::"memory");
531 if (mm_flags & MM_MMX)\
535 void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx);
537 #elif defined(ARCH_ARMV4L)
539 #define MM_IWMMXT 0x0100 /* XScale IWMMXT */
543 #elif defined(ARCH_POWERPC)
545 #define MM_ALTIVEC 0x0001 /* standard AltiVec */
549 #define DECLARE_ALIGNED_8(t, v) DECLARE_ALIGNED(16, t, v)
550 #define STRIDE_ALIGN 16
552 #elif defined(HAVE_MMI)
554 #define DECLARE_ALIGNED_8(t, v) DECLARE_ALIGNED(16, t, v)
555 #define STRIDE_ALIGN 16
559 #ifndef DECLARE_ALIGNED_8
560 # define DECLARE_ALIGNED_8(t, v) DECLARE_ALIGNED(8, t, v)
564 # define STRIDE_ALIGN 8
568 void get_psnr(uint8_t *orig_image[3], uint8_t *coded_image[3],
569 int orig_linesize[3], int coded_linesize,
570 AVCodecContext *avctx);
572 /* FFT computation */
574 /* NOTE: soon integer code will be added, so you must use the
576 typedef float FFTSample;
580 typedef struct FFTComplex {
584 typedef struct FFTContext {
589 FFTComplex *exptab1; /* only used by SSE code */
590 void (*fft_calc)(struct FFTContext *s, FFTComplex *z);
591 void (*imdct_calc)(struct MDCTContext *s, FFTSample *output,
592 const FFTSample *input, FFTSample *tmp);
595 int ff_fft_init(FFTContext *s, int nbits, int inverse);
596 void ff_fft_permute(FFTContext *s, FFTComplex *z);
597 void ff_fft_calc_c(FFTContext *s, FFTComplex *z);
598 void ff_fft_calc_sse(FFTContext *s, FFTComplex *z);
599 void ff_fft_calc_3dn(FFTContext *s, FFTComplex *z);
600 void ff_fft_calc_3dn2(FFTContext *s, FFTComplex *z);
601 void ff_fft_calc_altivec(FFTContext *s, FFTComplex *z);
603 static inline void ff_fft_calc(FFTContext *s, FFTComplex *z)
607 void ff_fft_end(FFTContext *s);
609 /* MDCT computation */
611 typedef struct MDCTContext {
612 int n; /* size of MDCT (i.e. number of input data * 2) */
613 int nbits; /* n = 2^nbits */
614 /* pre/post rotation tables */
621 * Generate a Kaiser-Bessel Derived Window.
622 * @param window pointer to half window
623 * @param alpha determines window shape
624 * @param n size of half window
626 void ff_kbd_window_init(float *window, float alpha, int n);
628 int ff_mdct_init(MDCTContext *s, int nbits, int inverse);
629 void ff_imdct_calc(MDCTContext *s, FFTSample *output,
630 const FFTSample *input, FFTSample *tmp);
631 void ff_imdct_calc_3dn2(MDCTContext *s, FFTSample *output,
632 const FFTSample *input, FFTSample *tmp);
633 void ff_imdct_calc_sse(MDCTContext *s, FFTSample *output,
634 const FFTSample *input, FFTSample *tmp);
635 void ff_mdct_calc(MDCTContext *s, FFTSample *out,
636 const FFTSample *input, FFTSample *tmp);
637 void ff_mdct_end(MDCTContext *s);
639 #define WRAPPER8_16(name8, name16)\
640 static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\
641 return name8(s, dst , src , stride, h)\
642 +name8(s, dst+8 , src+8 , stride, h);\
645 #define WRAPPER8_16_SQ(name8, name16)\
646 static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\
648 score +=name8(s, dst , src , stride, 8);\
649 score +=name8(s, dst+8 , src+8 , stride, 8);\
653 score +=name8(s, dst , src , stride, 8);\
654 score +=name8(s, dst+8 , src+8 , stride, 8);\
660 static inline void copy_block2(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
665 AV_WN16(dst , AV_RN16(src ));
671 static inline void copy_block4(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
676 AV_WN32(dst , AV_RN32(src ));
682 static inline void copy_block8(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
687 AV_WN32(dst , AV_RN32(src ));
688 AV_WN32(dst+4 , AV_RN32(src+4 ));
694 static inline void copy_block9(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
699 AV_WN32(dst , AV_RN32(src ));
700 AV_WN32(dst+4 , AV_RN32(src+4 ));
707 static inline void copy_block16(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
712 AV_WN32(dst , AV_RN32(src ));
713 AV_WN32(dst+4 , AV_RN32(src+4 ));
714 AV_WN32(dst+8 , AV_RN32(src+8 ));
715 AV_WN32(dst+12, AV_RN32(src+12));
721 static inline void copy_block17(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int h)
726 AV_WN32(dst , AV_RN32(src ));
727 AV_WN32(dst+4 , AV_RN32(src+4 ));
728 AV_WN32(dst+8 , AV_RN32(src+8 ));
729 AV_WN32(dst+12, AV_RN32(src+12));
736 #endif /* FFMPEG_DSPUTIL_H */