39 for (i = 0; i < 8; i++) {
44 d1 = (a - d + 3 + rnd) >> 3;
45 d2 = (a - d + b - c + 4 - rnd) >> 3;
48 src[-
stride] = av_clip_uint8(b - d2);
49 src[0] = av_clip_uint8(c + d2);
63 for (i = 0; i < 8; i++) {
68 d1 = (a - d + 3 + rnd) >> 3;
69 d2 = (a - d + b - c + 4 - rnd) >> 3;
72 src[-1] = av_clip_uint8(b - d2);
73 src[0] = av_clip_uint8(c + d2);
85 int rnd1 = 4, rnd2 = 3;
86 for (i = 0; i < 8; i++) {
94 top[48] = ((a << 3) - d1 + rnd1) >> 3;
95 top[56] = ((b << 3) - d2 + rnd2) >> 3;
96 bottom[0] = ((c << 3) + d2 + rnd1) >> 3;
97 bottom[8] = ((d << 3) + d1 + rnd2) >> 3;
111 int rnd1 = 4, rnd2 = 3;
112 for (i = 0; i < 8; i++) {
120 left[6] = ((a << 3) - d1 + rnd1) >> 3;
121 left[7] = ((b << 3) - d2 + rnd2) >> 3;
122 right[0] = ((c << 3) + d2 + rnd1) >> 3;
123 right[1] = ((d << 3) + d1 + rnd2) >> 3;
143 5 * (src[-1 * stride] - src[0 * stride]) + 4) >> 3;
144 int a0_sign = a0 >> 31;
146 a0 = (a0 ^ a0_sign) - a0_sign;
148 int a1 =
FFABS((2 * (src[-4 * stride] - src[-1 * stride]) -
149 5 * (src[-3 * stride] - src[-2 * stride]) + 4) >> 3);
150 int a2 =
FFABS((2 * (src[ 0 * stride] - src[ 3 * stride]) -
151 5 * (src[ 1 * stride] - src[ 2 * stride]) + 4) >> 3);
152 if (a1 < a0 || a2 < a0) {
154 int clip_sign = clip >> 31;
156 clip = ((clip ^ clip_sign) - clip_sign) >> 1;
158 int a3 =
FFMIN(a1, a2);
159 int d = 5 * (a3 - a0);
160 int d_sign = (d >> 31);
162 d = ((d ^ d_sign) - d_sign) >> 3;
165 if (d_sign ^ clip_sign)
169 d = (d ^ d_sign) - d_sign;
170 src[-1 *
stride] = av_clip_uint8(src[-1 * stride] - d);
171 src[ 0 *
stride] = av_clip_uint8(src[ 0 * stride] + d);
195 for (i = 0; i <
len; i += 4) {
242 dc = (3 * dc + 1) >> 1;
243 dc = (3 * dc + 16) >> 5;
245 for (i = 0; i < 8; i++) {
246 dest[0] = av_clip_uint8(dest[0] + dc);
247 dest[1] = av_clip_uint8(dest[1] + dc);
248 dest[2] = av_clip_uint8(dest[2] + dc);
249 dest[3] = av_clip_uint8(dest[3] + dc);
250 dest[4] = av_clip_uint8(dest[4] + dc);
251 dest[5] = av_clip_uint8(dest[5] + dc);
252 dest[6] = av_clip_uint8(dest[6] + dc);
253 dest[7] = av_clip_uint8(dest[7] + dc);
261 register int t1, t2, t3, t4, t5, t6, t7, t8;
262 int16_t *src, *dst, temp[64];
266 for (i = 0; i < 8; i++) {
267 t1 = 12 * (src[ 0] + src[32]) + 4;
268 t2 = 12 * (src[ 0] - src[32]) + 4;
269 t3 = 16 * src[16] + 6 * src[48];
270 t4 = 6 * src[16] - 16 * src[48];
277 t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
278 t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
279 t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
280 t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
282 dst[0] = (t5 + t1) >> 3;
283 dst[1] = (t6 + t2) >> 3;
284 dst[2] = (t7 + t3) >> 3;
285 dst[3] = (t8 + t4) >> 3;
286 dst[4] = (t8 - t4) >> 3;
287 dst[5] = (t7 - t3) >> 3;
288 dst[6] = (t6 - t2) >> 3;
289 dst[7] = (t5 - t1) >> 3;
297 for (i = 0; i < 8; i++) {
298 t1 = 12 * (src[ 0] + src[32]) + 64;
299 t2 = 12 * (src[ 0] - src[32]) + 64;
300 t3 = 16 * src[16] + 6 * src[48];
301 t4 = 6 * src[16] - 16 * src[48];
308 t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
309 t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
310 t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
311 t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
313 dst[ 0] = (t5 + t1) >> 7;
314 dst[ 8] = (t6 + t2) >> 7;
315 dst[16] = (t7 + t3) >> 7;
316 dst[24] = (t8 + t4) >> 7;
317 dst[32] = (t8 - t4 + 1) >> 7;
318 dst[40] = (t7 - t3 + 1) >> 7;
319 dst[48] = (t6 - t2 + 1) >> 7;
320 dst[56] = (t5 - t1 + 1) >> 7;
333 dc = (3 * dc + 1) >> 1;
334 dc = (17 * dc + 64) >> 7;
336 for (i = 0; i < 4; i++) {
337 dest[0] = av_clip_uint8(dest[0] + dc);
338 dest[1] = av_clip_uint8(dest[1] + dc);
339 dest[2] = av_clip_uint8(dest[2] + dc);
340 dest[3] = av_clip_uint8(dest[3] + dc);
341 dest[4] = av_clip_uint8(dest[4] + dc);
342 dest[5] = av_clip_uint8(dest[5] + dc);
343 dest[6] = av_clip_uint8(dest[6] + dc);
344 dest[7] = av_clip_uint8(dest[7] + dc);
352 register int t1, t2, t3, t4, t5, t6, t7, t8;
358 for (i = 0; i < 4; i++) {
359 t1 = 12 * (src[0] + src[4]) + 4;
360 t2 = 12 * (src[0] - src[4]) + 4;
361 t3 = 16 * src[2] + 6 * src[6];
362 t4 = 6 * src[2] - 16 * src[6];
369 t1 = 16 * src[1] + 15 * src[3] + 9 * src[5] + 4 * src[7];
370 t2 = 15 * src[1] - 4 * src[3] - 16 * src[5] - 9 * src[7];
371 t3 = 9 * src[1] - 16 * src[3] + 4 * src[5] + 15 * src[7];
372 t4 = 4 * src[1] - 9 * src[3] + 15 * src[5] - 16 * src[7];
374 dst[0] = (t5 + t1) >> 3;
375 dst[1] = (t6 + t2) >> 3;
376 dst[2] = (t7 + t3) >> 3;
377 dst[3] = (t8 + t4) >> 3;
378 dst[4] = (t8 - t4) >> 3;
379 dst[5] = (t7 - t3) >> 3;
380 dst[6] = (t6 - t2) >> 3;
381 dst[7] = (t5 - t1) >> 3;
388 for (i = 0; i < 8; i++) {
389 t1 = 17 * (src[ 0] + src[16]) + 64;
390 t2 = 17 * (src[ 0] - src[16]) + 64;
391 t3 = 22 * src[ 8] + 10 * src[24];
392 t4 = 22 * src[24] - 10 * src[ 8];
394 dest[0 * linesize] = av_clip_uint8(dest[0 * linesize] + ((t1 + t3) >> 7));
395 dest[1 * linesize] = av_clip_uint8(dest[1 * linesize] + ((t2 - t4) >> 7));
396 dest[2 * linesize] = av_clip_uint8(dest[2 * linesize] + ((t2 + t4) >> 7));
397 dest[3 * linesize] = av_clip_uint8(dest[3 * linesize] + ((t1 - t3) >> 7));
410 dc = (17 * dc + 4) >> 3;
411 dc = (12 * dc + 64) >> 7;
413 for (i = 0; i < 8; i++) {
414 dest[0] = av_clip_uint8(dest[0] + dc);
415 dest[1] = av_clip_uint8(dest[1] + dc);
416 dest[2] = av_clip_uint8(dest[2] + dc);
417 dest[3] = av_clip_uint8(dest[3] + dc);
425 register int t1, t2, t3, t4, t5, t6, t7, t8;
431 for (i = 0; i < 8; i++) {
432 t1 = 17 * (src[0] + src[2]) + 4;
433 t2 = 17 * (src[0] - src[2]) + 4;
434 t3 = 22 * src[1] + 10 * src[3];
435 t4 = 22 * src[3] - 10 * src[1];
437 dst[0] = (t1 + t3) >> 3;
438 dst[1] = (t2 - t4) >> 3;
439 dst[2] = (t2 + t4) >> 3;
440 dst[3] = (t1 - t3) >> 3;
447 for (i = 0; i < 4; i++) {
448 t1 = 12 * (src[ 0] + src[32]) + 64;
449 t2 = 12 * (src[ 0] - src[32]) + 64;
450 t3 = 16 * src[16] + 6 * src[48];
451 t4 = 6 * src[16] - 16 * src[48];
458 t1 = 16 * src[ 8] + 15 * src[24] + 9 * src[40] + 4 * src[56];
459 t2 = 15 * src[ 8] - 4 * src[24] - 16 * src[40] - 9 * src[56];
460 t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
461 t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
463 dest[0 * linesize] = av_clip_uint8(dest[0 * linesize] + ((t5 + t1) >> 7));
464 dest[1 * linesize] = av_clip_uint8(dest[1 * linesize] + ((t6 + t2) >> 7));
465 dest[2 * linesize] = av_clip_uint8(dest[2 * linesize] + ((t7 + t3) >> 7));
466 dest[3 * linesize] = av_clip_uint8(dest[3 * linesize] + ((t8 + t4) >> 7));
467 dest[4 * linesize] = av_clip_uint8(dest[4 * linesize] + ((t8 - t4 + 1) >> 7));
468 dest[5 * linesize] = av_clip_uint8(dest[5 * linesize] + ((t7 - t3 + 1) >> 7));
469 dest[6 * linesize] = av_clip_uint8(dest[6 * linesize] + ((t6 - t2 + 1) >> 7));
470 dest[7 * linesize] = av_clip_uint8(dest[7 * linesize] + ((t5 - t1 + 1) >> 7));
483 dc = (17 * dc + 4) >> 3;
484 dc = (17 * dc + 64) >> 7;
486 for (i = 0; i < 4; i++) {
487 dest[0] = av_clip_uint8(dest[0] + dc);
488 dest[1] = av_clip_uint8(dest[1] + dc);
489 dest[2] = av_clip_uint8(dest[2] + dc);
490 dest[3] = av_clip_uint8(dest[3] + dc);
498 register int t1, t2, t3, t4;
503 for (i = 0; i < 4; i++) {
504 t1 = 17 * (src[0] + src[2]) + 4;
505 t2 = 17 * (src[0] - src[2]) + 4;
506 t3 = 22 * src[1] + 10 * src[3];
507 t4 = 22 * src[3] - 10 * src[1];
509 dst[0] = (t1 + t3) >> 3;
510 dst[1] = (t2 - t4) >> 3;
511 dst[2] = (t2 + t4) >> 3;
512 dst[3] = (t1 - t3) >> 3;
519 for (i = 0; i < 4; i++) {
520 t1 = 17 * (src[0] + src[16]) + 64;
521 t2 = 17 * (src[0] - src[16]) + 64;
522 t3 = 22 * src[8] + 10 * src[24];
523 t4 = 22 * src[24] - 10 * src[8];
525 dest[0 * linesize] = av_clip_uint8(dest[0 * linesize] + ((t1 + t3) >> 7));
526 dest[1 * linesize] = av_clip_uint8(dest[1 * linesize] + ((t2 - t4) >> 7));
527 dest[2 * linesize] = av_clip_uint8(dest[2 * linesize] + ((t2 + t4) >> 7));
528 dest[3 * linesize] = av_clip_uint8(dest[3 * linesize] + ((t1 - t3) >> 7));
538 #define VC1_MSPEL_FILTER_16B(DIR, TYPE) \
539 static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, \
547 return -4 * src[-stride] + 53 * src[0] + \
548 18 * src[stride] - 3 * src[stride * 2]; \
550 return -1 * src[-stride] + 9 * src[0] + \
551 9 * src[stride] - 1 * src[stride * 2]; \
553 return -3 * src[-stride] + 18 * src[0] + \
554 53 * src[stride] - 4 * src[stride * 2]; \
570 return (-4 * src[-stride] + 53 * src[0] +
571 18 * src[stride] - 3 * src[stride * 2] + 32 - r) >> 6;
573 return (-1 * src[-stride] + 9 * src[0] +
574 9 * src[stride] - 1 * src[stride * 2] + 8 - r) >> 4;
576 return (-3 * src[-stride] + 18 * src[0] +
577 53 * src[stride] - 4 * src[stride * 2] + 32 - r) >> 6;
583 #define VC1_MSPEL_MC(OP, OPNAME) \
584 static av_always_inline void OPNAME ## vc1_mspel_mc(uint8_t *dst, \
585 const uint8_t *src, \
597 static const int shift_value[] = { 0, 5, 1, 5 }; \
598 int shift = (shift_value[hmode] + shift_value[vmode]) >> 1; \
599 int16_t tmp[11 * 8], *tptr = tmp; \
601 r = (1 << (shift - 1)) + rnd - 1; \
604 for (j = 0; j < 8; j++) { \
605 for (i = 0; i < 11; i++) \
606 tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode) + r) >> shift; \
613 for (j = 0; j < 8; j++) { \
614 for (i = 0; i < 8; i++) \
615 OP(dst[i], (vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode) + r) >> 7); \
624 for (j = 0; j < 8; j++) { \
625 for (i = 0; i < 8; i++) \
626 OP(dst[i], vc1_mspel_filter(src + i, stride, vmode, r)); \
635 for (j = 0; j < 8; j++) { \
636 for (i = 0; i < 8; i++) \
637 OP(dst[i], vc1_mspel_filter(src + i, 1, hmode, rnd)); \
643 #define op_put(a, b) a = av_clip_uint8(b)
644 #define op_avg(a, b) a = (a + av_clip_uint8(b) + 1) >> 1
651 #define PUT_VC1_MSPEL(a, b) \
652 static void put_vc1_mspel_mc ## a ## b ## _c(uint8_t *dst, \
653 const uint8_t *src, \
654 ptrdiff_t stride, int rnd) \
656 put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
658 static void avg_vc1_mspel_mc ## a ## b ## _c(uint8_t *dst, \
659 const uint8_t *src, \
660 ptrdiff_t stride, int rnd) \
662 avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
684 #define chroma_mc(a) \
685 ((A * src[a] + B * src[a + 1] + \
686 C * src[stride + a] + D * src[stride + a + 1] + 32 - 4) >> 6)
689 int stride,
int h,
int x,
int y)
691 const int A = (8 - x) * (8 - y);
692 const int B = (x) * (8 - y);
693 const int C = (8 - x) * (y);
694 const int D = (x) * (y);
697 assert(x < 8 && y < 8 && x >= 0 && y >= 0);
699 for (i = 0; i < h; i++) {
714 int stride,
int h,
int x,
int y)
716 const int A = (8 - x) * (8 - y);
717 const int B = (x) * (8 - y);
718 const int C = (8 - x) * (y);
719 const int D = (x) * (y);
722 assert(x < 8 && y < 8 && x >= 0 && y >= 0);
724 for (i = 0; i < h; i++) {
734 #define avg2(a, b) (((a) + (b) + 1) >> 1)
737 int stride,
int h,
int x,
int y)
739 const int A = (8 - x) * (8 - y);
740 const int B = (x) * (8 - y);
741 const int C = (8 - x) * (y);
742 const int D = (x) * (y);
745 assert(x < 8 && y < 8 && x >= 0 && y >= 0);
747 for (i = 0; i < h; i++) {
763 int stride,
int h,
int x,
int y)
765 const int A = (8 - x) * (8 - y);
766 const int B = ( x) * (8 - y);
767 const int C = (8 - x) * ( y);
768 const int D = ( x) * ( y);
771 assert(x < 8 && y < 8 && x >= 0 && y >= 0);
773 for (i = 0; i < h; i++) {
783 #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
785 static void sprite_h_c(
uint8_t *dst,
const uint8_t *src,
int offset,
786 int advance,
int count)
789 int a = src[(offset >> 16)];
790 int b = src[(offset >> 16) + 1];
791 *dst++ = a + ((b -
a) * (offset & 0xFFFF) >> 16);
804 int alpha,
int scaled,
812 a1 = a1 + ((b1 - a1) * offset1 >> 16);
818 a2 = a2 + ((b2 - a2) * offset2 >> 16);
820 a1 = a1 + ((a2 - a1) * alpha >> 16);
828 int offset,
int width)
830 sprite_v_template(dst, src1a, src1b, offset, 0,
NULL,
NULL, 0, 0, 1, width);
833 static void sprite_v_double_noscale_c(
uint8_t *dst,
const uint8_t *src1a,
835 int alpha,
int width)
837 sprite_v_template(dst, src1a,
NULL, 0, 1, src2a,
NULL, 0, alpha, 0, width);
840 static void sprite_v_double_onescale_c(
uint8_t *dst,
845 int alpha,
int width)
847 sprite_v_template(dst, src1a, src1b, offset1, 1, src2a,
NULL, 0, alpha, 1,
851 static void sprite_v_double_twoscale_c(
uint8_t *dst,
861 sprite_v_template(dst, src1a, src1b, offset1, 1, src2a, src2b, offset2,
929 #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, int16_t *block)
op_pixels_func avg_vc1_mspel_pixels_tab[16]
void(* vc1_h_overlap)(uint8_t *src, int stride)
static void vc1_inv_trans_4x8_dc_c(uint8_t *dest, int linesize, int16_t *block)
void(* vc1_inv_trans_8x4)(uint8_t *dest, int line_size, int16_t *block)
void(* vc1_inv_trans_4x8)(uint8_t *dest, int line_size, int16_t *block)
static void vc1_inv_trans_8x8_dc_c(uint8_t *dest, int linesize, int16_t *block)
static void put_no_rnd_vc1_chroma_mc4_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y)
static av_always_inline int vc1_filter_line(uint8_t *src, int stride, int pq)
VC-1 in-loop deblocking filter for one line.
static void vc1_v_loop_filter16_c(uint8_t *src, int stride, int pq)
static void vc1_v_loop_filter4_c(uint8_t *src, int stride, int pq)
void(* sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, const uint8_t *src2a, int alpha, int width)
void(* vc1_v_loop_filter8)(uint8_t *src, int stride, int pq)
#define VC1_MSPEL_FILTER_16B(DIR, TYPE)
void(* vc1_v_loop_filter4)(uint8_t *src, int stride, int pq)
static void vc1_h_loop_filter16_c(uint8_t *src, int stride, int pq)
void(* sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, const uint8_t *src2a, const uint8_t *src2b, int offset2, int alpha, int width)
void(* vc1_inv_trans_8x8)(int16_t *b)
void(* vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, int16_t *block)
void(* vc1_h_loop_filter8)(uint8_t *src, int stride, int pq)
void ff_avg_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)
static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y)
static void vc1_h_overlap_c(uint8_t *src, int stride)
void(* vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, int16_t *block)
static void put_no_rnd_vc1_chroma_mc8_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y)
void(* vc1_inv_trans_4x4)(uint8_t *dest, int line_size, int16_t *block)
void(* vc1_v_loop_filter16)(uint8_t *src, int stride, int pq)
void(* vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, int16_t *block)
static void vc1_loop_filter(uint8_t *src, int step, int stride, int len, int pq)
VC-1 in-loop deblocking filter.
static void vc1_inv_trans_8x8_c(int16_t block[64])
void ff_vc1dsp_init_x86(VC1DSPContext *dsp)
static void vc1_v_s_overlap_c(int16_t *top, int16_t *bottom)
static void vc1_v_loop_filter8_c(uint8_t *src, int stride, int pq)
av_cold void ff_vc1dsp_init_aarch64(VC1DSPContext *dsp)
h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3]
void(* vc1_h_loop_filter4)(uint8_t *src, int stride, int pq)
#define PUT_VC1_MSPEL(a, b)
#define VC1_MSPEL_MC(OP, OPNAME)
void(* sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width)
static void avg_no_rnd_vc1_chroma_mc4_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y)
static void vc1_h_s_overlap_c(int16_t *left, int16_t *right)
static void vc1_v_overlap_c(uint8_t *src, int stride)
h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3]
static void vc1_h_loop_filter8_c(uint8_t *src, int stride, int pq)
common internal and external API header
static double clip(void *opaque, double val)
Clip value val in the minval - maxval range.
static void vc1_h_loop_filter4_c(uint8_t *src, int stride, int pq)
void(* vc1_v_s_overlap)(int16_t *top, int16_t *bottom)
static void vc1_inv_trans_8x4_c(uint8_t *dest, int linesize, int16_t *block)
static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int mode, int r)
void(* sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width)
av_cold void ff_vc1dsp_init_arm(VC1DSPContext *dsp)
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=av_sample_fmt_is_planar(in_fmt);out_planar=av_sample_fmt_is_planar(out_fmt);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_dlog(ac->avr,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> dc
static void vc1_inv_trans_8x4_dc_c(uint8_t *dest, int linesize, int16_t *block)
void(* vc1_h_s_overlap)(int16_t *left, int16_t *right)
av_cold void ff_vc1dsp_init_ppc(VC1DSPContext *dsp)
void ff_put_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride)
void(* vc1_v_overlap)(uint8_t *src, int stride)
av_cold void ff_vc1dsp_init(VC1DSPContext *dsp)
static void vc1_inv_trans_4x4_dc_c(uint8_t *dest, int linesize, int16_t *block)
void(* vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, int16_t *block)
op_pixels_func put_vc1_mspel_pixels_tab[16]
void(* sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count)
static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, int16_t *block)
void(* vc1_h_loop_filter16)(uint8_t *src, int stride, int pq)