3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
6 * This file is part of Libav.
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.
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.
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
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 AVCODEC_DSPUTIL_H
31 #define AVCODEC_DSPUTIL_H
33 #include "libavutil/intreadwrite.h"
39 typedef short DCTELEM;
41 void fdct_ifast (DCTELEM *data);
42 void fdct_ifast248 (DCTELEM *data);
43 void ff_jpeg_fdct_islow (DCTELEM *data);
44 void ff_fdct248_islow (DCTELEM *data);
46 void j_rev_dct (DCTELEM *data);
47 void j_rev_dct4 (DCTELEM *data);
48 void j_rev_dct2 (DCTELEM *data);
49 void j_rev_dct1 (DCTELEM *data);
50 void ff_wmv2_idct_c(DCTELEM *data);
52 void ff_fdct_mmx(DCTELEM *block);
53 void ff_fdct_mmx2(DCTELEM *block);
54 void ff_fdct_sse2(DCTELEM *block);
56 void ff_h264_idct8_add_c(uint8_t *dst, DCTELEM *block, int stride);
57 void ff_h264_idct_add_c(uint8_t *dst, DCTELEM *block, int stride);
58 void ff_h264_idct8_dc_add_c(uint8_t *dst, DCTELEM *block, int stride);
59 void ff_h264_idct_dc_add_c(uint8_t *dst, DCTELEM *block, int stride);
60 void ff_h264_lowres_idct_add_c(uint8_t *dst, int stride, DCTELEM *block);
61 void ff_h264_lowres_idct_put_c(uint8_t *dst, int stride, DCTELEM *block);
62 void ff_h264_idct_add16_c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
63 void ff_h264_idct_add16intra_c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
64 void ff_h264_idct8_add4_c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
65 void ff_h264_idct_add8_c(uint8_t **dest, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
67 void ff_h264_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qmul);
68 void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp);
69 void ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
72 extern const uint8_t ff_alternate_horizontal_scan[64];
73 extern const uint8_t ff_alternate_vertical_scan[64];
74 extern const uint8_t ff_zigzag_direct[64];
75 extern const uint8_t ff_zigzag248_direct[64];
77 /* pixel operations */
78 #define MAX_NEG_CROP 1024
81 extern uint32_t ff_squareTbl[512];
82 extern uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP];
84 void ff_put_pixels8x8_c(uint8_t *dst, uint8_t *src, int stride);
85 void ff_avg_pixels8x8_c(uint8_t *dst, uint8_t *src, int stride);
86 void ff_put_pixels16x16_c(uint8_t *dst, uint8_t *src, int stride);
87 void ff_avg_pixels16x16_c(uint8_t *dst, uint8_t *src, int stride);
89 /* VP3 DSP functions */
90 void ff_vp3_idct_c(DCTELEM *block/* align 16*/);
91 void ff_vp3_idct_put_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
92 void ff_vp3_idct_add_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
93 void ff_vp3_idct_dc_add_c(uint8_t *dest/*align 8*/, int line_size, const DCTELEM *block/*align 16*/);
95 void ff_vp3_v_loop_filter_c(uint8_t *src, int stride, int *bounding_values);
96 void ff_vp3_h_loop_filter_c(uint8_t *src, int stride, int *bounding_values);
99 void ff_bink_idct_c (DCTELEM *block);
100 void ff_bink_idct_add_c(uint8_t *dest, int linesize, DCTELEM *block);
101 void ff_bink_idct_put_c(uint8_t *dest, int linesize, DCTELEM *block);
104 void ff_ea_idct_put_c(uint8_t *dest, int linesize, DCTELEM *block);
106 /* 1/2^n downscaling functions from imgconvert.c */
107 void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
108 void ff_shrink44(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
109 void ff_shrink88(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
111 void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy,
112 int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
114 /* minimum alignment rules ;)
115 If you notice errors in the align stuff, need more alignment for some ASM code
116 for some CPU or need to use a function with less aligned data then send a mail
117 to the libav-devel mailing list, ...
119 !warning These alignments might not match reality, (missing attribute((align))
120 stuff somewhere possible).
121 I (Michael) did not check them, these are just the alignments which I think
122 could be reached easily ...
124 !future video codecs might need functions with less strict alignment
128 void get_pixels_c(DCTELEM *block, const uint8_t *pixels, int line_size);
129 void diff_pixels_c(DCTELEM *block, const uint8_t *s1, const uint8_t *s2, int stride);
130 void put_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size);
131 void add_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size);
132 void clear_blocks_c(DCTELEM *blocks);
135 /* add and put pixel (decoding) */
136 // blocksizes for op_pixels_func are 8x4,8x8 16x8 16x16
137 //h for op_pixels_func is limited to {width/2, width} but never larger than 16 and never smaller then 4
138 typedef void (*op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int h);
139 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);
140 typedef void (*qpel_mc_func)(uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);
141 typedef void (*h264_chroma_mc_func)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y);
143 typedef void (*op_fill_func)(uint8_t *block/*align width (8 or 16)*/, uint8_t value, int line_size, int h);
145 #define DEF_OLD_QPEL(name)\
146 void ff_put_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\
147 void ff_put_no_rnd_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\
148 void ff_avg_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);
150 DEF_OLD_QPEL(qpel16_mc11_old_c)
151 DEF_OLD_QPEL(qpel16_mc31_old_c)
152 DEF_OLD_QPEL(qpel16_mc12_old_c)
153 DEF_OLD_QPEL(qpel16_mc32_old_c)
154 DEF_OLD_QPEL(qpel16_mc13_old_c)
155 DEF_OLD_QPEL(qpel16_mc33_old_c)
156 DEF_OLD_QPEL(qpel8_mc11_old_c)
157 DEF_OLD_QPEL(qpel8_mc31_old_c)
158 DEF_OLD_QPEL(qpel8_mc12_old_c)
159 DEF_OLD_QPEL(qpel8_mc32_old_c)
160 DEF_OLD_QPEL(qpel8_mc13_old_c)
161 DEF_OLD_QPEL(qpel8_mc33_old_c)
163 #define CALL_2X_PIXELS(a, b, n)\
164 static void a(uint8_t *block, const uint8_t *pixels, int line_size, int h){\
165 b(block , pixels , line_size, h);\
166 b(block+n, pixels+n, line_size, h);\
169 /* motion estimation */
170 // h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller then 2
171 // although currently h<4 is not used as functions with width <8 are neither used nor implemented
172 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))*/;
177 typedef struct ScanTable{
178 const uint8_t *scantable;
179 uint8_t permutated[64];
180 uint8_t raster_end[64];
182 /** Used by dct_quantize_altivec to find last-non-zero */
183 DECLARE_ALIGNED(16, uint8_t, inverse)[64];
187 void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable);
189 void ff_emulated_edge_mc(uint8_t *buf, const uint8_t *src, int linesize,
190 int block_w, int block_h,
191 int src_x, int src_y, int w, int h);
193 void ff_add_pixels_clamped_c(const DCTELEM *block, uint8_t *dest, int linesize);
194 void ff_put_pixels_clamped_c(const DCTELEM *block, uint8_t *dest, int linesize);
195 void ff_put_signed_pixels_clamped_c(const DCTELEM *block, uint8_t *dest, int linesize);
200 typedef struct DSPContext {
201 /* pixel ops : interface with DCT */
202 void (*get_pixels)(DCTELEM *block/*align 16*/, const uint8_t *pixels/*align 8*/, int line_size);
203 void (*diff_pixels)(DCTELEM *block/*align 16*/, const uint8_t *s1/*align 8*/, const uint8_t *s2/*align 8*/, int stride);
204 void (*put_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
205 void (*put_signed_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
206 void (*put_pixels_nonclamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
207 void (*add_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
208 void (*add_pixels8)(uint8_t *pixels, DCTELEM *block, int line_size);
209 void (*add_pixels4)(uint8_t *pixels, DCTELEM *block, int line_size);
210 int (*sum_abs_dctelem)(DCTELEM *block/*align 16*/);
212 * Motion estimation with emulated edge values.
213 * @param buf pointer to destination buffer (unaligned)
214 * @param src pointer to pixel source (unaligned)
215 * @param linesize width (in pixels) for src/buf
216 * @param block_w number of pixels (per row) to copy to buf
217 * @param block_h nummber of pixel rows to copy to buf
218 * @param src_x offset of src to start of row - this may be negative
219 * @param src_y offset of src to top of image - this may be negative
220 * @param w width of src in pixels
221 * @param h height of src in pixels
223 void (*emulated_edge_mc)(uint8_t *buf, const uint8_t *src, int linesize,
224 int block_w, int block_h,
225 int src_x, int src_y, int w, int h);
227 * translational global motion compensation.
229 void (*gmc1)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder);
231 * global motion compensation.
233 void (*gmc )(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int ox, int oy,
234 int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
235 void (*clear_block)(DCTELEM *block/*align 16*/);
236 void (*clear_blocks)(DCTELEM *blocks/*align 16*/);
237 int (*pix_sum)(uint8_t * pix, int line_size);
238 int (*pix_norm1)(uint8_t * pix, int line_size);
239 // 16x16 8x8 4x4 2x2 16x8 8x4 4x2 8x16 4x8 2x4
241 me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */
243 me_cmp_func hadamard8_diff[6];
244 me_cmp_func dct_sad[6];
245 me_cmp_func quant_psnr[6];
253 me_cmp_func dct_max[6];
254 me_cmp_func dct264_sad[6];
256 me_cmp_func me_pre_cmp[6];
257 me_cmp_func me_cmp[6];
258 me_cmp_func me_sub_cmp[6];
259 me_cmp_func mb_cmp[6];
260 me_cmp_func ildct_cmp[6]; //only width 16 used
261 me_cmp_func frame_skip_cmp[6]; //only width 8 used
263 int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2,
267 * Halfpel motion compensation with rounding (a+b+1)>>1.
268 * this is an array[4][4] of motion compensation functions for 4
269 * horizontal blocksizes (8,16) and the 4 halfpel positions<br>
270 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
271 * @param block destination where the result is stored
272 * @param pixels source
273 * @param line_size number of bytes in a horizontal line of block
276 op_pixels_func put_pixels_tab[4][4];
279 * Halfpel motion compensation with rounding (a+b+1)>>1.
280 * This is an array[4][4] of motion compensation functions for 4
281 * horizontal blocksizes (8,16) and the 4 halfpel positions<br>
282 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
283 * @param block destination into which the result is averaged (a+b+1)>>1
284 * @param pixels source
285 * @param line_size number of bytes in a horizontal line of block
288 op_pixels_func avg_pixels_tab[4][4];
291 * Halfpel motion compensation with no rounding (a+b)>>1.
292 * this is an array[2][4] of motion compensation functions for 2
293 * horizontal blocksizes (8,16) and the 4 halfpel positions<br>
294 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
295 * @param block destination where the result is stored
296 * @param pixels source
297 * @param line_size number of bytes in a horizontal line of block
300 op_pixels_func put_no_rnd_pixels_tab[4][4];
303 * Halfpel motion compensation with no rounding (a+b)>>1.
304 * this is an array[2][4] of motion compensation functions for 2
305 * horizontal blocksizes (8,16) and the 4 halfpel positions<br>
306 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
307 * @param block destination into which the result is averaged (a+b)>>1
308 * @param pixels source
309 * @param line_size number of bytes in a horizontal line of block
312 op_pixels_func avg_no_rnd_pixels_tab[4][4];
314 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);
317 * Thirdpel motion compensation with rounding (a+b+1)>>1.
318 * this is an array[12] of motion compensation functions for the 9 thirdpe
320 * *pixels_tab[ xthirdpel + 4*ythirdpel ]
321 * @param block destination where the result is stored
322 * @param pixels source
323 * @param line_size number of bytes in a horizontal line of block
326 tpel_mc_func put_tpel_pixels_tab[11]; //FIXME individual func ptr per width?
327 tpel_mc_func avg_tpel_pixels_tab[11]; //FIXME individual func ptr per width?
329 qpel_mc_func put_qpel_pixels_tab[2][16];
330 qpel_mc_func avg_qpel_pixels_tab[2][16];
331 qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16];
332 qpel_mc_func avg_no_rnd_qpel_pixels_tab[2][16];
333 qpel_mc_func put_mspel_pixels_tab[8];
338 h264_chroma_mc_func put_h264_chroma_pixels_tab[3];
339 h264_chroma_mc_func avg_h264_chroma_pixels_tab[3];
341 qpel_mc_func put_h264_qpel_pixels_tab[4][16];
342 qpel_mc_func avg_h264_qpel_pixels_tab[4][16];
344 qpel_mc_func put_2tap_qpel_pixels_tab[4][16];
345 qpel_mc_func avg_2tap_qpel_pixels_tab[4][16];
347 me_cmp_func pix_abs[2][4];
349 /* huffyuv specific */
350 void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w);
351 void (*add_bytes_l2)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 16*/, int w);
352 void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w);
354 * subtract huffyuv's variant of median prediction
355 * note, this might read from src1[-1], src2[-1]
357 void (*sub_hfyu_median_prediction)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w, int *left, int *left_top);
358 void (*add_hfyu_median_prediction)(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top);
359 int (*add_hfyu_left_prediction)(uint8_t *dst, const uint8_t *src, int w, int left);
360 void (*add_hfyu_left_prediction_bgr32)(uint8_t *dst, const uint8_t *src, int w, int *red, int *green, int *blue, int *alpha);
361 /* this might write to dst[w] */
362 void (*add_png_paeth_prediction)(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp);
363 void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w);
364 void (*bswap16_buf)(uint16_t *dst, const uint16_t *src, int len);
366 void (*h263_v_loop_filter)(uint8_t *src, int stride, int qscale);
367 void (*h263_h_loop_filter)(uint8_t *src, int stride, int qscale);
369 void (*h261_loop_filter)(uint8_t *src, int stride);
371 void (*x8_v_loop_filter)(uint8_t *src, int stride, int qscale);
372 void (*x8_h_loop_filter)(uint8_t *src, int stride, int qscale);
374 void (*vp3_idct_dc_add)(uint8_t *dest/*align 8*/, int line_size, const DCTELEM *block/*align 16*/);
375 void (*vp3_v_loop_filter)(uint8_t *src, int stride, int *bounding_values);
376 void (*vp3_h_loop_filter)(uint8_t *src, int stride, int *bounding_values);
378 /* assume len is a multiple of 4, and arrays are 16-byte aligned */
379 void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize);
380 void (*ac3_downmix)(float (*samples)[256], float (*matrix)[2], int out_ch, int in_ch, int len);
381 /* assume len is a multiple of 8, and arrays are 16-byte aligned */
382 void (*vector_fmul)(float *dst, const float *src0, const float *src1, int len);
383 void (*vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len);
384 /* assume len is a multiple of 8, and src arrays are 16-byte aligned */
385 void (*vector_fmul_add)(float *dst, const float *src0, const float *src1, const float *src2, int len);
386 /* assume len is a multiple of 4, and arrays are 16-byte aligned */
387 void (*vector_fmul_window)(float *dst, const float *src0, const float *src1, const float *win, int len);
388 /* assume len is a multiple of 8, and arrays are 16-byte aligned */
389 void (*vector_clipf)(float *dst /* align 16 */, const float *src /* align 16 */, float min, float max, int len /* align 16 */);
391 * Multiply a vector of floats by a scalar float. Source and
392 * destination vectors must overlap exactly or not at all.
393 * @param dst result vector, 16-byte aligned
394 * @param src input vector, 16-byte aligned
395 * @param mul scalar value
396 * @param len length of vector, multiple of 4
398 void (*vector_fmul_scalar)(float *dst, const float *src, float mul,
401 * Multiply a vector of floats by concatenated short vectors of
402 * floats and by a scalar float. Source and destination vectors
403 * must overlap exactly or not at all.
404 * [0]: short vectors of length 2, 8-byte aligned
405 * [1]: short vectors of length 4, 16-byte aligned
406 * @param dst output vector, 16-byte aligned
407 * @param src input vector, 16-byte aligned
408 * @param sv array of pointers to short vectors
409 * @param mul scalar value
410 * @param len number of elements in src and dst, multiple of 4
412 void (*vector_fmul_sv_scalar[2])(float *dst, const float *src,
413 const float **sv, float mul, int len);
415 * Multiply short vectors of floats by a scalar float, store
416 * concatenated result.
417 * [0]: short vectors of length 2, 8-byte aligned
418 * [1]: short vectors of length 4, 16-byte aligned
419 * @param dst output vector, 16-byte aligned
420 * @param sv array of pointers to short vectors
421 * @param mul scalar value
422 * @param len number of output elements, multiple of 4
424 void (*sv_fmul_scalar[2])(float *dst, const float **sv,
427 * Calculate the scalar product of two vectors of floats.
428 * @param v1 first vector, 16-byte aligned
429 * @param v2 second vector, 16-byte aligned
430 * @param len length of vectors, multiple of 4
432 float (*scalarproduct_float)(const float *v1, const float *v2, int len);
434 * Calculate the sum and difference of two vectors of floats.
435 * @param v1 first input vector, sum output, 16-byte aligned
436 * @param v2 second input vector, difference output, 16-byte aligned
437 * @param len length of vectors, multiple of 4
439 void (*butterflies_float)(float *restrict v1, float *restrict v2, int len);
442 void (*fdct)(DCTELEM *block/* align 16*/);
443 void (*fdct248)(DCTELEM *block/* align 16*/);
446 void (*idct)(DCTELEM *block/* align 16*/);
449 * block -> idct -> clip to unsigned 8 bit -> dest.
450 * (-1392, 0, 0, ...) -> idct -> (-174, -174, ...) -> put -> (0, 0, ...)
451 * @param line_size size in bytes of a horizontal line of dest
453 void (*idct_put)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
456 * block -> idct -> add dest -> clip to unsigned 8 bit -> dest.
457 * @param line_size size in bytes of a horizontal line of dest
459 void (*idct_add)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
462 * idct input permutation.
463 * several optimized IDCTs need a permutated input (relative to the normal order of the reference
465 * this permutation must be performed before the idct_put/add, note, normally this can be merged
466 * with the zigzag/alternate scan<br>
467 * an example to avoid confusion:
468 * - (->decode coeffs -> zigzag reorder -> dequant -> reference idct ->...)
469 * - (x -> referece dct -> reference idct -> x)
470 * - (x -> referece dct -> simple_mmx_perm = idct_permutation -> simple_idct_mmx -> x)
471 * - (->decode coeffs -> zigzag reorder -> simple_mmx_perm -> dequant -> simple_idct_mmx ->...)
473 uint8_t idct_permutation[64];
474 int idct_permutation_type;
475 #define FF_NO_IDCT_PERM 1
476 #define FF_LIBMPEG2_IDCT_PERM 2
477 #define FF_SIMPLE_IDCT_PERM 3
478 #define FF_TRANSPOSE_IDCT_PERM 4
479 #define FF_PARTTRANS_IDCT_PERM 5
480 #define FF_SSE2_IDCT_PERM 6
482 int (*try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale);
483 void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale);
484 #define BASIS_SHIFT 16
485 #define RECON_SHIFT 6
487 void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w, int sides);
488 #define EDGE_WIDTH 16
490 #define EDGE_BOTTOM 2
492 void (*prefetch)(void *mem, int stride, int h);
494 void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
496 /* mlp/truehd functions */
497 void (*mlp_filter_channel)(int32_t *state, const int32_t *coeff,
498 int firorder, int iirorder,
499 unsigned int filter_shift, int32_t mask, int blocksize,
500 int32_t *sample_buffer);
502 /* intrax8 functions */
503 void (*x8_spatial_compensation[12])(uint8_t *src , uint8_t *dst, int linesize);
504 void (*x8_setup_spatial_compensation)(uint8_t *src, uint8_t *dst, int linesize,
505 int * range, int * sum, int edges);
508 * Calculate scalar product of two vectors.
509 * @param len length of vectors, should be multiple of 16
510 * @param shift number of bits to discard from product
512 int32_t (*scalarproduct_int16)(const int16_t *v1, const int16_t *v2/*align 16*/, int len, int shift);
515 * Calculate scalar product of v1 and v2,
516 * and v1[i] += v3[i] * mul
517 * @param len length of vectors, should be multiple of 16
519 int32_t (*scalarproduct_and_madd_int16)(int16_t *v1/*align 16*/, const int16_t *v2, const int16_t *v3, int len, int mul);
522 * Apply symmetric window in 16-bit fixed-point.
523 * @param output destination array
524 * constraints: 16-byte aligned
525 * @param input source array
526 * constraints: 16-byte aligned
527 * @param window window array
528 * constraints: 16-byte aligned, at least len/2 elements
529 * @param len full window length
530 * constraints: multiple of ? greater than zero
532 void (*apply_window_int16)(int16_t *output, const int16_t *input,
533 const int16_t *window, unsigned int len);
536 qpel_mc_func put_rv30_tpel_pixels_tab[4][16];
537 qpel_mc_func avg_rv30_tpel_pixels_tab[4][16];
540 qpel_mc_func put_rv40_qpel_pixels_tab[4][16];
541 qpel_mc_func avg_rv40_qpel_pixels_tab[4][16];
542 h264_chroma_mc_func put_rv40_chroma_pixels_tab[3];
543 h264_chroma_mc_func avg_rv40_chroma_pixels_tab[3];
546 op_fill_func fill_block_tab[2];
547 void (*scale_block)(const uint8_t src[64]/*align 8*/, uint8_t *dst/*align 8*/, int linesize);
550 void dsputil_static_init(void);
551 void dsputil_init(DSPContext* p, AVCodecContext *avctx);
553 int ff_check_alignment(void);
556 * permute block according to permuatation.
557 * @param last last non zero element in scantable order
559 void ff_block_permute(DCTELEM *block, uint8_t *permutation, const uint8_t *scantable, int last);
561 void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type);
563 #define BYTE_VEC32(c) ((c)*0x01010101UL)
565 static inline uint32_t rnd_avg32(uint32_t a, uint32_t b)
567 return (a | b) - (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1);
570 static inline uint32_t no_rnd_avg32(uint32_t a, uint32_t b)
572 return (a & b) + (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1);
575 static inline int get_penalty_factor(int lambda, int lambda2, int type){
579 return lambda>>FF_LAMBDA_SHIFT;
581 return (3*lambda)>>(FF_LAMBDA_SHIFT+1);
583 return (4*lambda)>>(FF_LAMBDA_SHIFT);
585 return (2*lambda)>>(FF_LAMBDA_SHIFT);
588 return (2*lambda)>>FF_LAMBDA_SHIFT;
593 return lambda2>>FF_LAMBDA_SHIFT;
601 * this must be called between any dsp function and float/double code.
602 * for example sin(); dsp->idct_put(); emms_c(); cos()
606 void dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx);
607 void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx);
608 void dsputil_init_bfin(DSPContext* c, AVCodecContext *avctx);
609 void dsputil_init_mlib(DSPContext* c, AVCodecContext *avctx);
610 void dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx);
611 void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx);
612 void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx);
613 void dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx);
614 void dsputil_init_vis(DSPContext* c, AVCodecContext *avctx);
616 void ff_dsputil_init_dwt(DSPContext *c);
617 void ff_rv30dsp_init(DSPContext* c, AVCodecContext *avctx);
618 void ff_rv40dsp_init(DSPContext* c, AVCodecContext *avctx);
619 void ff_intrax8dsp_init(DSPContext* c, AVCodecContext *avctx);
620 void ff_mlp_init(DSPContext* c, AVCodecContext *avctx);
621 void ff_mlp_init_x86(DSPContext* c, AVCodecContext *avctx);
627 static inline void emms(void)
629 __asm__ volatile ("emms;":::"memory");
632 #define emms_c() emms()
637 # define STRIDE_ALIGN 16
642 #define STRIDE_ALIGN 16
646 #define STRIDE_ALIGN 16
651 # define STRIDE_ALIGN 8
654 #define LOCAL_ALIGNED_A(a, t, v, s, o, ...) \
655 uint8_t la_##v[sizeof(t s o) + (a)]; \
656 t (*v) o = (void *)FFALIGN((uintptr_t)la_##v, a)
658 #define LOCAL_ALIGNED_D(a, t, v, s, o, ...) DECLARE_ALIGNED(a, t, v) s o
660 #define LOCAL_ALIGNED(a, t, v, ...) LOCAL_ALIGNED_A(a, t, v, __VA_ARGS__,,)
662 #if HAVE_LOCAL_ALIGNED_8
663 # define LOCAL_ALIGNED_8(t, v, ...) LOCAL_ALIGNED_D(8, t, v, __VA_ARGS__,,)
665 # define LOCAL_ALIGNED_8(t, v, ...) LOCAL_ALIGNED(8, t, v, __VA_ARGS__)
668 #if HAVE_LOCAL_ALIGNED_16
669 # define LOCAL_ALIGNED_16(t, v, ...) LOCAL_ALIGNED_D(16, t, v, __VA_ARGS__,,)
671 # define LOCAL_ALIGNED_16(t, v, ...) LOCAL_ALIGNED(16, t, v, __VA_ARGS__)
675 void get_psnr(uint8_t *orig_image[3], uint8_t *coded_image[3],
676 int orig_linesize[3], int coded_linesize,
677 AVCodecContext *avctx);
679 #define WRAPPER8_16(name8, name16)\
680 static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\
681 return name8(s, dst , src , stride, h)\
682 +name8(s, dst+8 , src+8 , stride, h);\
685 #define WRAPPER8_16_SQ(name8, name16)\
686 static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\
688 score +=name8(s, dst , src , stride, 8);\
689 score +=name8(s, dst+8 , src+8 , stride, 8);\
693 score +=name8(s, dst , src , stride, 8);\
694 score +=name8(s, dst+8 , src+8 , stride, 8);\
700 static inline void copy_block2(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
705 AV_WN16(dst , AV_RN16(src ));
711 static inline void copy_block4(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
716 AV_WN32(dst , AV_RN32(src ));
722 static inline void copy_block8(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
727 AV_WN32(dst , AV_RN32(src ));
728 AV_WN32(dst+4 , AV_RN32(src+4 ));
734 static inline void copy_block9(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
739 AV_WN32(dst , AV_RN32(src ));
740 AV_WN32(dst+4 , AV_RN32(src+4 ));
747 static inline void copy_block16(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
752 AV_WN32(dst , AV_RN32(src ));
753 AV_WN32(dst+4 , AV_RN32(src+4 ));
754 AV_WN32(dst+8 , AV_RN32(src+8 ));
755 AV_WN32(dst+12, AV_RN32(src+12));
761 static inline void copy_block17(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
766 AV_WN32(dst , AV_RN32(src ));
767 AV_WN32(dst+4 , AV_RN32(src+4 ));
768 AV_WN32(dst+8 , AV_RN32(src+8 ));
769 AV_WN32(dst+12, AV_RN32(src+12));
776 #endif /* AVCODEC_DSPUTIL_H */