3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * note, many functions in here may use MMX which trashes the FPU state, it is
25 * absolutely necessary to call emms_c() between dsp & float/double code
37 typedef short DCTELEM;
40 void fdct_ifast (DCTELEM *data);
41 void fdct_ifast248 (DCTELEM *data);
42 void ff_jpeg_fdct_islow (DCTELEM *data);
43 void ff_fdct248_islow (DCTELEM *data);
45 void j_rev_dct (DCTELEM *data);
46 void j_rev_dct4 (DCTELEM *data);
47 void j_rev_dct2 (DCTELEM *data);
48 void j_rev_dct1 (DCTELEM *data);
50 void ff_fdct_mmx(DCTELEM *block);
51 void ff_fdct_mmx2(DCTELEM *block);
52 void ff_fdct_sse2(DCTELEM *block);
54 void ff_h264_idct8_add_c(uint8_t *dst, DCTELEM *block, int stride);
55 void ff_h264_idct_add_c(uint8_t *dst, DCTELEM *block, int stride);
56 void ff_h264_idct8_dc_add_c(uint8_t *dst, DCTELEM *block, int stride);
57 void ff_h264_idct_dc_add_c(uint8_t *dst, DCTELEM *block, int stride);
58 void ff_h264_lowres_idct_add_c(uint8_t *dst, int stride, DCTELEM *block);
59 void ff_h264_lowres_idct_put_c(uint8_t *dst, int stride, DCTELEM *block);
61 void ff_vector_fmul_add_add_c(float *dst, const float *src0, const float *src1,
62 const float *src2, int src3, int blocksize, int step);
63 void ff_float_to_int16_c(int16_t *dst, const float *src, int len);
66 extern const uint8_t ff_alternate_horizontal_scan[64];
67 extern const uint8_t ff_alternate_vertical_scan[64];
68 extern const uint8_t ff_zigzag_direct[64];
69 extern const uint8_t ff_zigzag248_direct[64];
71 /* pixel operations */
72 #define MAX_NEG_CROP 1024
75 extern uint32_t squareTbl[512];
76 extern uint8_t cropTbl[256 + 2 * MAX_NEG_CROP];
78 /* VP3 DSP functions */
79 void ff_vp3_idct_c(DCTELEM *block/* align 16*/);
80 void ff_vp3_idct_put_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
81 void ff_vp3_idct_add_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
83 /* 1/2^n downscaling functions from imgconvert.c */
84 void ff_img_copy_plane(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
85 void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
86 void ff_shrink44(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
87 void ff_shrink88(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
89 void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy,
90 int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
92 /* minimum alignment rules ;)
93 if u notice errors in the align stuff, need more alignment for some asm code for some cpu
94 or need to use a function with less aligned data then send a mail to the ffmpeg-dev list, ...
96 !warning these alignments might not match reallity, (missing attribute((align)) stuff somewhere possible)
97 i (michael) didnt check them, these are just the alignents which i think could be reached easily ...
99 !future video codecs might need functions with less strict alignment
103 void get_pixels_c(DCTELEM *block, const uint8_t *pixels, int line_size);
104 void diff_pixels_c(DCTELEM *block, const uint8_t *s1, const uint8_t *s2, int stride);
105 void put_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size);
106 void add_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size);
107 void clear_blocks_c(DCTELEM *blocks);
110 /* add and put pixel (decoding) */
111 // blocksizes for op_pixels_func are 8x4,8x8 16x8 16x16
112 //h for op_pixels_func is limited to {width/2, width} but never larger than 16 and never smaller then 4
113 typedef void (*op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int h);
114 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);
115 typedef void (*qpel_mc_func)(uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);
116 typedef void (*h264_chroma_mc_func)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y);
117 typedef void (*h264_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int offset);
118 typedef void (*h264_biweight_func)(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset);
120 #define DEF_OLD_QPEL(name)\
121 void ff_put_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\
122 void ff_put_no_rnd_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\
123 void ff_avg_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);
125 DEF_OLD_QPEL(qpel16_mc11_old_c)
126 DEF_OLD_QPEL(qpel16_mc31_old_c)
127 DEF_OLD_QPEL(qpel16_mc12_old_c)
128 DEF_OLD_QPEL(qpel16_mc32_old_c)
129 DEF_OLD_QPEL(qpel16_mc13_old_c)
130 DEF_OLD_QPEL(qpel16_mc33_old_c)
131 DEF_OLD_QPEL(qpel8_mc11_old_c)
132 DEF_OLD_QPEL(qpel8_mc31_old_c)
133 DEF_OLD_QPEL(qpel8_mc12_old_c)
134 DEF_OLD_QPEL(qpel8_mc32_old_c)
135 DEF_OLD_QPEL(qpel8_mc13_old_c)
136 DEF_OLD_QPEL(qpel8_mc33_old_c)
138 #define CALL_2X_PIXELS(a, b, n)\
139 static void a(uint8_t *block, const uint8_t *pixels, int line_size, int h){\
140 b(block , pixels , line_size, h);\
141 b(block+n, pixels+n, line_size, h);\
144 /* motion estimation */
145 // h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller then 2
146 // allthough currently h<4 is not used as functions with width <8 are not used and neither implemented
147 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))*/;
151 typedef struct slice_buffer_s slice_buffer;
156 typedef struct DSPContext {
157 /* pixel ops : interface with DCT */
158 void (*get_pixels)(DCTELEM *block/*align 16*/, const uint8_t *pixels/*align 8*/, int line_size);
159 void (*diff_pixels)(DCTELEM *block/*align 16*/, const uint8_t *s1/*align 8*/, const uint8_t *s2/*align 8*/, int stride);
160 void (*put_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
161 void (*put_signed_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
162 void (*add_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size);
163 void (*add_pixels8)(uint8_t *pixels, DCTELEM *block, int line_size);
164 void (*add_pixels4)(uint8_t *pixels, DCTELEM *block, int line_size);
166 * translational global motion compensation.
168 void (*gmc1)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder);
170 * global motion compensation.
172 void (*gmc )(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int ox, int oy,
173 int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height);
174 void (*clear_blocks)(DCTELEM *blocks/*align 16*/);
175 int (*pix_sum)(uint8_t * pix, int line_size);
176 int (*pix_norm1)(uint8_t * pix, int line_size);
177 // 16x16 8x8 4x4 2x2 16x8 8x4 4x2 8x16 4x8 2x4
179 me_cmp_func sad[5]; /* identical to pix_absAxA except additional void * */
181 me_cmp_func hadamard8_diff[5];
182 me_cmp_func dct_sad[5];
183 me_cmp_func quant_psnr[5];
191 me_cmp_func dct_max[5];
192 me_cmp_func dct264_sad[5];
194 me_cmp_func me_pre_cmp[5];
195 me_cmp_func me_cmp[5];
196 me_cmp_func me_sub_cmp[5];
197 me_cmp_func mb_cmp[5];
198 me_cmp_func ildct_cmp[5]; //only width 16 used
199 me_cmp_func frame_skip_cmp[5]; //only width 8 used
202 * Halfpel motion compensation with rounding (a+b+1)>>1.
203 * this is an array[4][4] of motion compensation funcions for 4
204 * horizontal blocksizes (8,16) and the 4 halfpel positions<br>
205 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
206 * @param block destination where the result is stored
207 * @param pixels source
208 * @param line_size number of bytes in a horizontal line of block
211 op_pixels_func put_pixels_tab[4][4];
214 * Halfpel motion compensation with rounding (a+b+1)>>1.
215 * This is an array[4][4] of motion compensation functions for 4
216 * horizontal blocksizes (8,16) and the 4 halfpel positions<br>
217 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
218 * @param block destination into which the result is averaged (a+b+1)>>1
219 * @param pixels source
220 * @param line_size number of bytes in a horizontal line of block
223 op_pixels_func avg_pixels_tab[4][4];
226 * Halfpel motion compensation with no rounding (a+b)>>1.
227 * this is an array[2][4] of motion compensation funcions for 2
228 * horizontal blocksizes (8,16) and the 4 halfpel positions<br>
229 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
230 * @param block destination where the result is stored
231 * @param pixels source
232 * @param line_size number of bytes in a horizontal line of block
235 op_pixels_func put_no_rnd_pixels_tab[4][4];
238 * Halfpel motion compensation with no rounding (a+b)>>1.
239 * this is an array[2][4] of motion compensation funcions for 2
240 * horizontal blocksizes (8,16) and the 4 halfpel positions<br>
241 * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
242 * @param block destination into which the result is averaged (a+b)>>1
243 * @param pixels source
244 * @param line_size number of bytes in a horizontal line of block
247 op_pixels_func avg_no_rnd_pixels_tab[4][4];
249 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);
252 * Thirdpel motion compensation with rounding (a+b+1)>>1.
253 * this is an array[12] of motion compensation funcions for the 9 thirdpel positions<br>
254 * *pixels_tab[ xthirdpel + 4*ythirdpel ]
255 * @param block destination where the result is stored
256 * @param pixels source
257 * @param line_size number of bytes in a horizontal line of block
260 tpel_mc_func put_tpel_pixels_tab[11]; //FIXME individual func ptr per width?
261 tpel_mc_func avg_tpel_pixels_tab[11]; //FIXME individual func ptr per width?
263 qpel_mc_func put_qpel_pixels_tab[2][16];
264 qpel_mc_func avg_qpel_pixels_tab[2][16];
265 qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16];
266 qpel_mc_func avg_no_rnd_qpel_pixels_tab[2][16];
267 qpel_mc_func put_mspel_pixels_tab[8];
272 h264_chroma_mc_func put_h264_chroma_pixels_tab[3];
273 /* This is really one func used in VC-1 decoding */
274 h264_chroma_mc_func put_no_rnd_h264_chroma_pixels_tab[3];
275 h264_chroma_mc_func avg_h264_chroma_pixels_tab[3];
277 qpel_mc_func put_h264_qpel_pixels_tab[4][16];
278 qpel_mc_func avg_h264_qpel_pixels_tab[4][16];
280 qpel_mc_func put_2tap_qpel_pixels_tab[4][16];
281 qpel_mc_func avg_2tap_qpel_pixels_tab[4][16];
283 h264_weight_func weight_h264_pixels_tab[10];
284 h264_biweight_func biweight_h264_pixels_tab[10];
287 qpel_mc_func put_cavs_qpel_pixels_tab[2][16];
288 qpel_mc_func avg_cavs_qpel_pixels_tab[2][16];
289 void (*cavs_filter_lv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
290 void (*cavs_filter_lh)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
291 void (*cavs_filter_cv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
292 void (*cavs_filter_ch)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2);
293 void (*cavs_idct8_add)(uint8_t *dst, DCTELEM *block, int stride);
295 me_cmp_func pix_abs[2][4];
297 /* huffyuv specific */
298 void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w);
299 void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w);
301 * subtract huffyuv's variant of median prediction
302 * note, this might read from src1[-1], src2[-1]
304 void (*sub_hfyu_median_prediction)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top);
305 void (*bswap_buf)(uint32_t *dst, uint32_t *src, int w);
307 void (*h264_v_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
308 void (*h264_h_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
309 void (*h264_v_loop_filter_chroma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
310 void (*h264_h_loop_filter_chroma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0);
311 void (*h264_v_loop_filter_chroma_intra)(uint8_t *pix, int stride, int alpha, int beta);
312 void (*h264_h_loop_filter_chroma_intra)(uint8_t *pix, int stride, int alpha, int beta);
313 // h264_loop_filter_strength: simd only. the C version is inlined in h264.c
314 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],
315 int bidir, int edges, int step, int mask_mv0, int mask_mv1);
317 void (*h263_v_loop_filter)(uint8_t *src, int stride, int qscale);
318 void (*h263_h_loop_filter)(uint8_t *src, int stride, int qscale);
320 void (*h261_loop_filter)(uint8_t *src, int stride);
322 /* assume len is a multiple of 4, and arrays are 16-byte aligned */
323 void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize);
324 /* assume len is a multiple of 8, and arrays are 16-byte aligned */
325 void (*vector_fmul)(float *dst, const float *src, int len);
326 void (*vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len);
327 /* assume len is a multiple of 8, and src arrays are 16-byte aligned */
328 void (*vector_fmul_add_add)(float *dst, const float *src0, const float *src1, const float *src2, int src3, int len, int step);
330 /* C version: convert floats from the range [384.0,386.0] to ints in [-32768,32767]
331 * simd versions: convert floats from [-32768.0,32767.0] without rescaling and arrays are 16byte aligned */
332 void (*float_to_int16)(int16_t *dst, const float *src, int len);
335 void (*fdct)(DCTELEM *block/* align 16*/);
336 void (*fdct248)(DCTELEM *block/* align 16*/);
339 void (*idct)(DCTELEM *block/* align 16*/);
342 * block -> idct -> clip to unsigned 8 bit -> dest.
343 * (-1392, 0, 0, ...) -> idct -> (-174, -174, ...) -> put -> (0, 0, ...)
344 * @param line_size size in bytes of a horizotal line of dest
346 void (*idct_put)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
349 * block -> idct -> add dest -> clip to unsigned 8 bit -> dest.
350 * @param line_size size in bytes of a horizotal line of dest
352 void (*idct_add)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/);
355 * idct input permutation.
356 * several optimized IDCTs need a permutated input (relative to the normal order of the reference
358 * this permutation must be performed before the idct_put/add, note, normally this can be merged
359 * with the zigzag/alternate scan<br>
360 * an example to avoid confusion:
361 * - (->decode coeffs -> zigzag reorder -> dequant -> reference idct ->...)
362 * - (x -> referece dct -> reference idct -> x)
363 * - (x -> referece dct -> simple_mmx_perm = idct_permutation -> simple_idct_mmx -> x)
364 * - (->decode coeffs -> zigzag reorder -> simple_mmx_perm -> dequant -> simple_idct_mmx ->...)
366 uint8_t idct_permutation[64];
367 int idct_permutation_type;
368 #define FF_NO_IDCT_PERM 1
369 #define FF_LIBMPEG2_IDCT_PERM 2
370 #define FF_SIMPLE_IDCT_PERM 3
371 #define FF_TRANSPOSE_IDCT_PERM 4
372 #define FF_PARTTRANS_IDCT_PERM 5
374 int (*try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale);
375 void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale);
376 #define BASIS_SHIFT 16
377 #define RECON_SHIFT 6
379 void (*h264_idct_add)(uint8_t *dst, DCTELEM *block, int stride);
380 void (*h264_idct8_add)(uint8_t *dst, DCTELEM *block, int stride);
381 void (*h264_idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
382 void (*h264_idct8_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
385 void (*vertical_compose97i)(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width);
386 void (*horizontal_compose97i)(DWTELEM *b, int width);
387 void (*inner_add_yblock)(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);
389 void (*prefetch)(void *mem, int stride, int h);
391 void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height);
394 void (*vc1_inv_trans_8x8)(DCTELEM *b);
395 void (*vc1_inv_trans_8x4)(DCTELEM *b, int n);
396 void (*vc1_inv_trans_4x8)(DCTELEM *b, int n);
397 void (*vc1_inv_trans_4x4)(DCTELEM *b, int n);
398 void (*vc1_v_overlap)(uint8_t* src, int stride, int rnd);
399 void (*vc1_h_overlap)(uint8_t* src, int stride, int rnd);
400 /* put 8x8 block with bicubic interpolation and quarterpel precision
401 * last argument is actually round value instead of height
403 op_pixels_func put_vc1_mspel_pixels_tab[16];
406 void dsputil_static_init(void);
407 void dsputil_init(DSPContext* p, AVCodecContext *avctx);
410 * permute block according to permuatation.
411 * @param last last non zero element in scantable order
413 void ff_block_permute(DCTELEM *block, uint8_t *permutation, const uint8_t *scantable, int last);
415 void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type);
417 #define BYTE_VEC32(c) ((c)*0x01010101UL)
419 static inline uint32_t rnd_avg32(uint32_t a, uint32_t b)
421 return (a | b) - (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1);
424 static inline uint32_t no_rnd_avg32(uint32_t a, uint32_t b)
426 return (a & b) + (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1);
429 static inline int get_penalty_factor(int lambda, int lambda2, int type){
433 return lambda>>FF_LAMBDA_SHIFT;
435 return (3*lambda)>>(FF_LAMBDA_SHIFT+1);
437 return (4*lambda)>>(FF_LAMBDA_SHIFT);
439 return (2*lambda)>>(FF_LAMBDA_SHIFT);
442 return (2*lambda)>>FF_LAMBDA_SHIFT;
447 return lambda2>>FF_LAMBDA_SHIFT;
455 * this must be called between any dsp function and float/double code.
456 * for example sin(); dsp->idct_put(); emms_c(); cos()
460 /* should be defined by architectures supporting
461 one or more MultiMedia extension */
462 int mm_support(void);
465 #define DECLARE_ALIGNED_16(t,v) t v __attribute__ ((aligned (16)))
467 #define DECLARE_ALIGNED_16(t,v) __declspec(align(16)) t v
470 #if defined(HAVE_MMX)
474 #define MM_MMX 0x0001 /* standard MMX */
475 #define MM_3DNOW 0x0004 /* AMD 3DNOW */
476 #define MM_MMXEXT 0x0002 /* SSE integer functions or AMD MMX ext */
477 #define MM_SSE 0x0008 /* SSE functions */
478 #define MM_SSE2 0x0010 /* PIV SSE2 functions */
479 #define MM_3DNOWEXT 0x0020 /* AMD 3DNowExt */
480 #define MM_SSE3 0x0040 /* Prescott SSE3 functions */
484 void add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
485 void put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
486 void put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
488 static inline void emms(void)
490 __asm __volatile ("emms;":::"memory");
496 if (mm_flags & MM_MMX)\
501 #define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8)))
503 #define DECLARE_ALIGNED_8(t,v) __declspec(align(8)) t v
506 #define STRIDE_ALIGN 8
508 void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx);
509 void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx);
511 #elif defined(ARCH_ARMV4L)
513 /* This is to use 4 bytes read to the IDCT pointers for some 'zero'
514 line optimizations */
515 #define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (4)))
516 #define STRIDE_ALIGN 4
518 #define MM_IWMMXT 0x0100 /* XScale IWMMXT */
522 void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx);
524 #elif defined(HAVE_MLIB)
526 /* SPARC/VIS IDCT needs 8-byte aligned DCT blocks */
527 #define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8)))
528 #define STRIDE_ALIGN 8
530 void dsputil_init_mlib(DSPContext* c, AVCodecContext *avctx);
532 #elif defined(ARCH_SPARC)
534 /* SPARC/VIS IDCT needs 8-byte aligned DCT blocks */
535 #define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8)))
536 #define STRIDE_ALIGN 8
537 void dsputil_init_vis(DSPContext* c, AVCodecContext *avctx);
539 #elif defined(ARCH_ALPHA)
541 #define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8)))
542 #define STRIDE_ALIGN 8
544 void dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx);
546 #elif defined(ARCH_POWERPC)
548 #define MM_ALTIVEC 0x0001 /* standard AltiVec */
552 #if defined(HAVE_ALTIVEC) && !defined(CONFIG_DARWIN)
553 #define pixel altivec_pixel
558 #define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (16)))
559 #define STRIDE_ALIGN 16
561 void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx);
563 #elif defined(HAVE_MMI)
565 #define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (16)))
566 #define STRIDE_ALIGN 16
568 void dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx);
570 #elif defined(ARCH_SH4)
572 #define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8)))
573 #define STRIDE_ALIGN 8
575 void dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx);
577 #elif defined(ARCH_BFIN)
579 #define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8)))
580 #define STRIDE_ALIGN 8
582 void dsputil_init_bfin(DSPContext* c, AVCodecContext *avctx);
586 #define DECLARE_ALIGNED_8(t,v) t v __attribute__ ((aligned (8)))
587 #define STRIDE_ALIGN 8
593 struct unaligned_64 { uint64_t l; } __attribute__((packed));
594 struct unaligned_32 { uint32_t l; } __attribute__((packed));
595 struct unaligned_16 { uint16_t l; } __attribute__((packed));
597 #define LD16(a) (((const struct unaligned_16 *) (a))->l)
598 #define LD32(a) (((const struct unaligned_32 *) (a))->l)
599 #define LD64(a) (((const struct unaligned_64 *) (a))->l)
601 #define ST16(a, b) (((struct unaligned_16 *) (a))->l) = (b)
602 #define ST32(a, b) (((struct unaligned_32 *) (a))->l) = (b)
606 #define LD16(a) (*((uint16_t*)(a)))
607 #define LD32(a) (*((uint32_t*)(a)))
608 #define LD64(a) (*((uint64_t*)(a)))
610 #define ST16(a, b) *((uint16_t*)(a)) = (b)
611 #define ST32(a, b) *((uint32_t*)(a)) = (b)
613 #endif /* !__GNUC__ */
616 void get_psnr(uint8_t *orig_image[3], uint8_t *coded_image[3],
617 int orig_linesize[3], int coded_linesize,
618 AVCodecContext *avctx);
620 /* FFT computation */
622 /* NOTE: soon integer code will be added, so you must use the
624 typedef float FFTSample;
628 typedef struct FFTComplex {
632 typedef struct FFTContext {
637 FFTComplex *exptab1; /* only used by SSE code */
638 void (*fft_calc)(struct FFTContext *s, FFTComplex *z);
639 void (*imdct_calc)(struct MDCTContext *s, FFTSample *output,
640 const FFTSample *input, FFTSample *tmp);
643 int ff_fft_init(FFTContext *s, int nbits, int inverse);
644 void ff_fft_permute(FFTContext *s, FFTComplex *z);
645 void ff_fft_calc_c(FFTContext *s, FFTComplex *z);
646 void ff_fft_calc_sse(FFTContext *s, FFTComplex *z);
647 void ff_fft_calc_3dn(FFTContext *s, FFTComplex *z);
648 void ff_fft_calc_3dn2(FFTContext *s, FFTComplex *z);
649 void ff_fft_calc_altivec(FFTContext *s, FFTComplex *z);
651 static inline void ff_fft_calc(FFTContext *s, FFTComplex *z)
655 void ff_fft_end(FFTContext *s);
657 /* MDCT computation */
659 typedef struct MDCTContext {
660 int n; /* size of MDCT (i.e. number of input data * 2) */
661 int nbits; /* n = 2^nbits */
662 /* pre/post rotation tables */
668 int ff_mdct_init(MDCTContext *s, int nbits, int inverse);
669 void ff_imdct_calc(MDCTContext *s, FFTSample *output,
670 const FFTSample *input, FFTSample *tmp);
671 void ff_imdct_calc_3dn2(MDCTContext *s, FFTSample *output,
672 const FFTSample *input, FFTSample *tmp);
673 void ff_imdct_calc_sse(MDCTContext *s, FFTSample *output,
674 const FFTSample *input, FFTSample *tmp);
675 void ff_mdct_calc(MDCTContext *s, FFTSample *out,
676 const FFTSample *input, FFTSample *tmp);
677 void ff_mdct_end(MDCTContext *s);
679 #define WARPER8_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 WARPER8_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);\