66
83
buffer = buf->line[line];
67
84
buf->data_stack_top++;
68
85
buf->data_stack[buf->data_stack_top] = buffer;
69
buf->line[line] = NULL;
86
buf->line[line] = NULL;
72
void ff_slice_buffer_flush(slice_buffer * buf)
89
void ff_slice_buffer_flush(slice_buffer *buf)
75
for(i = 0; i < buf->line_count; i++){
92
for (i = 0; i < buf->line_count; i++)
77
94
ff_slice_buffer_release(buf, i);
81
void ff_slice_buffer_destroy(slice_buffer * buf)
97
void ff_slice_buffer_destroy(slice_buffer *buf)
84
100
ff_slice_buffer_flush(buf);
86
for(i = buf->data_count - 1; i >= 0; i--){
102
for (i = buf->data_count - 1; i >= 0; i--)
87
103
av_freep(&buf->data_stack[i]);
89
104
av_freep(&buf->data_stack);
90
105
av_freep(&buf->line);
93
static inline int mirror(int v, int m){
94
while((unsigned)v > (unsigned)m){
108
static inline int mirror(int v, int m)
110
while ((unsigned)v > (unsigned)m) {
101
static av_always_inline void
102
lift(DWTELEM *dst, DWTELEM *src, DWTELEM *ref,
103
int dst_step, int src_step, int ref_step,
104
int width, int mul, int add, int shift,
105
int highpass, int inverse){
106
const int mirror_left= !highpass;
107
const int mirror_right= (width&1) ^ highpass;
108
const int w= (width>>1) - 1 + (highpass & width);
111
#define LIFT(src, ref, inv) ((src) + ((inv) ? - (ref) : + (ref)))
113
dst[0] = LIFT(src[0], ((mul*2*ref[0]+add)>>shift), inverse);
120
LIFT(src[i*src_step],
121
((mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add)>>shift),
127
LIFT(src[w*src_step],
128
((mul*2*ref[w*ref_step]+add)>>shift),
133
static av_always_inline void
134
inv_lift(IDWTELEM *dst, IDWTELEM *src, IDWTELEM *ref,
135
int dst_step, int src_step, int ref_step,
136
int width, int mul, int add, int shift,
137
int highpass, int inverse){
138
const int mirror_left= !highpass;
139
const int mirror_right= (width&1) ^ highpass;
140
const int w= (width>>1) - 1 + (highpass & width);
143
#define LIFT(src, ref, inv) ((src) + ((inv) ? - (ref) : + (ref)))
145
dst[0] = LIFT(src[0], ((mul*2*ref[0]+add)>>shift), inverse);
152
LIFT(src[i*src_step],
153
((mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add)>>shift),
159
LIFT(src[w*src_step],
160
((mul*2*ref[w*ref_step]+add)>>shift),
166
static av_always_inline void
167
liftS(DWTELEM *dst, DWTELEM *src, DWTELEM *ref,
168
int dst_step, int src_step, int ref_step,
169
int width, int mul, int add, int shift,
170
int highpass, int inverse){
171
const int mirror_left= !highpass;
172
const int mirror_right= (width&1) ^ highpass;
173
const int w= (width>>1) - 1 + (highpass & width);
177
#define LIFTS(src, ref, inv) \
179
(src) + (((ref) + 4*(src))>>shift): \
180
-((-16*(src) + (ref) + add/4 + 1 + (5<<25))/(5*4) - (1<<23)))
182
dst[0] = LIFTS(src[0], mul*2*ref[0]+add, inverse);
189
LIFTS(src[i*src_step],
190
mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add,
196
LIFTS(src[w*src_step], mul*2*ref[w*ref_step]+add, inverse);
199
static av_always_inline void
200
inv_liftS(IDWTELEM *dst, IDWTELEM *src, IDWTELEM *ref,
201
int dst_step, int src_step, int ref_step,
202
int width, int mul, int add, int shift,
203
int highpass, int inverse){
204
const int mirror_left= !highpass;
205
const int mirror_right= (width&1) ^ highpass;
206
const int w= (width>>1) - 1 + (highpass & width);
210
#define LIFTS(src, ref, inv) \
212
(src) + (((ref) + 4*(src))>>shift): \
213
-((-16*(src) + (ref) + add/4 + 1 + (5<<25))/(5*4) - (1<<23)))
215
dst[0] = LIFTS(src[0], mul*2*ref[0]+add, inverse);
222
LIFTS(src[i*src_step],
223
mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add,
229
LIFTS(src[w*src_step], mul*2*ref[w*ref_step]+add, inverse);
234
static void horizontal_decompose53i(DWTELEM *b, int width){
236
const int width2= width>>1;
118
static av_always_inline void lift(DWTELEM *dst, DWTELEM *src, DWTELEM *ref,
119
int dst_step, int src_step, int ref_step,
120
int width, int mul, int add, int shift,
121
int highpass, int inverse)
123
const int mirror_left = !highpass;
124
const int mirror_right = (width & 1) ^ highpass;
125
const int w = (width >> 1) - 1 + (highpass & width);
128
#define LIFT(src, ref, inv) ((src) + ((inv) ? -(ref) : +(ref)))
130
dst[0] = LIFT(src[0], ((mul * 2 * ref[0] + add) >> shift), inverse);
135
for (i = 0; i < w; i++)
136
dst[i * dst_step] = LIFT(src[i * src_step],
137
((mul * (ref[i * ref_step] +
138
ref[(i + 1) * ref_step]) +
143
dst[w * dst_step] = LIFT(src[w * src_step],
144
((mul * 2 * ref[w * ref_step] + add) >> shift),
148
static av_always_inline void liftS(DWTELEM *dst, DWTELEM *src, DWTELEM *ref,
149
int dst_step, int src_step, int ref_step,
150
int width, int mul, int add, int shift,
151
int highpass, int inverse)
153
const int mirror_left = !highpass;
154
const int mirror_right = (width & 1) ^ highpass;
155
const int w = (width >> 1) - 1 + (highpass & width);
159
#define LIFTS(src, ref, inv) \
160
((inv) ? (src) + (((ref) + 4 * (src)) >> shift) \
161
: -((-16 * (src) + (ref) + add / \
162
4 + 1 + (5 << 25)) / (5 * 4) - (1 << 23)))
164
dst[0] = LIFTS(src[0], mul * 2 * ref[0] + add, inverse);
169
for (i = 0; i < w; i++)
170
dst[i * dst_step] = LIFTS(src[i * src_step],
171
mul * (ref[i * ref_step] +
172
ref[(i + 1) * ref_step]) + add,
176
dst[w * dst_step] = LIFTS(src[w * src_step],
177
mul * 2 * ref[w * ref_step] + add,
181
static void horizontal_decompose53i(DWTELEM *b, DWTELEM *temp, int width)
183
const int width2 = width >> 1;
238
const int w2= (width+1)>>1;
240
for(x=0; x<width2; x++){
242
temp[x+w2]= b[2*x + 1];
256
for(x=1; x+1<width2; x+=2){
260
A2 += (A1 + A3 + 2)>>2;
264
A1= temp[x+1+width2];
267
A4 += (A1 + A3 + 2)>>2;
273
A2 += (A1 + A3 + 2)>>2;
278
lift(b+w2, temp+w2, temp, 1, 1, 1, width, -1, 0, 1, 1, 0);
279
lift(b , temp , b+w2, 1, 1, 1, width, 1, 2, 2, 0, 0);
283
static void vertical_decompose53iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
286
for(i=0; i<width; i++){
287
b1[i] -= (b0[i] + b2[i])>>1;
291
static void vertical_decompose53iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
294
for(i=0; i<width; i++){
295
b1[i] += (b0[i] + b2[i] + 2)>>2;
299
static void spatial_decompose53i(DWTELEM *buffer, int width, int height, int stride){
301
DWTELEM *b0= buffer + mirror(-2-1, height-1)*stride;
302
DWTELEM *b1= buffer + mirror(-2 , height-1)*stride;
304
for(y=-2; y<height; y+=2){
305
DWTELEM *b2= buffer + mirror(y+1, height-1)*stride;
306
DWTELEM *b3= buffer + mirror(y+2, height-1)*stride;
308
if(y+1<(unsigned)height) horizontal_decompose53i(b2, width);
309
if(y+2<(unsigned)height) horizontal_decompose53i(b3, width);
311
if(y+1<(unsigned)height) vertical_decompose53iH0(b1, b2, b3, width);
312
if(y+0<(unsigned)height) vertical_decompose53iL0(b0, b1, b2, width);
319
static void horizontal_decompose97i(DWTELEM *b, int width){
321
const int w2= (width+1)>>1;
323
lift (temp+w2, b +1, b , 1, 2, 2, width, W_AM, W_AO, W_AS, 1, 1);
324
liftS(temp , b , temp+w2, 1, 2, 1, width, W_BM, W_BO, W_BS, 0, 0);
325
lift (b +w2, temp+w2, temp , 1, 1, 1, width, W_CM, W_CO, W_CS, 1, 0);
326
lift (b , temp , b +w2, 1, 1, 1, width, W_DM, W_DO, W_DS, 0, 0);
330
static void vertical_decompose97iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
333
for(i=0; i<width; i++){
334
b1[i] -= (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
338
static void vertical_decompose97iH1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
341
for(i=0; i<width; i++){
342
b1[i] += (W_CM*(b0[i] + b2[i])+W_CO)>>W_CS;
346
static void vertical_decompose97iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
349
for(i=0; i<width; i++){
351
b1[i] -= (W_BM*(b0[i] + b2[i])+W_BO)>>W_BS;
353
b1[i] = (16*4*b1[i] - 4*(b0[i] + b2[i]) + W_BO*5 + (5<<27)) / (5*16) - (1<<23);
358
static void vertical_decompose97iL1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
361
for(i=0; i<width; i++){
362
b1[i] += (W_DM*(b0[i] + b2[i])+W_DO)>>W_DS;
366
static void spatial_decompose97i(DWTELEM *buffer, int width, int height, int stride){
368
DWTELEM *b0= buffer + mirror(-4-1, height-1)*stride;
369
DWTELEM *b1= buffer + mirror(-4 , height-1)*stride;
370
DWTELEM *b2= buffer + mirror(-4+1, height-1)*stride;
371
DWTELEM *b3= buffer + mirror(-4+2, height-1)*stride;
373
for(y=-4; y<height; y+=2){
374
DWTELEM *b4= buffer + mirror(y+3, height-1)*stride;
375
DWTELEM *b5= buffer + mirror(y+4, height-1)*stride;
377
if(y+3<(unsigned)height) horizontal_decompose97i(b4, width);
378
if(y+4<(unsigned)height) horizontal_decompose97i(b5, width);
380
if(y+3<(unsigned)height) vertical_decompose97iH0(b3, b4, b5, width);
381
if(y+2<(unsigned)height) vertical_decompose97iL0(b2, b3, b4, width);
382
if(y+1<(unsigned)height) vertical_decompose97iH1(b1, b2, b3, width);
383
if(y+0<(unsigned)height) vertical_decompose97iL1(b0, b1, b2, width);
392
void ff_spatial_dwt(DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
185
const int w2 = (width + 1) >> 1;
187
for (x = 0; x < width2; x++) {
189
temp[x + w2] = b[2 * x + 1];
193
lift(b + w2, temp + w2, temp, 1, 1, 1, width, -1, 0, 1, 1, 0);
194
lift(b, temp, b + w2, 1, 1, 1, width, 1, 2, 2, 0, 0);
197
static void vertical_decompose53iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2,
202
for (i = 0; i < width; i++)
203
b1[i] -= (b0[i] + b2[i]) >> 1;
206
static void vertical_decompose53iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2,
211
for (i = 0; i < width; i++)
212
b1[i] += (b0[i] + b2[i] + 2) >> 2;
215
static void spatial_decompose53i(DWTELEM *buffer, DWTELEM *temp,
216
int width, int height, int stride)
219
DWTELEM *b0 = buffer + mirror(-2 - 1, height - 1) * stride;
220
DWTELEM *b1 = buffer + mirror(-2, height - 1) * stride;
222
for (y = -2; y < height; y += 2) {
223
DWTELEM *b2 = buffer + mirror(y + 1, height - 1) * stride;
224
DWTELEM *b3 = buffer + mirror(y + 2, height - 1) * stride;
226
if (y + 1 < (unsigned)height)
227
horizontal_decompose53i(b2, temp, width);
228
if (y + 2 < (unsigned)height)
229
horizontal_decompose53i(b3, temp, width);
231
if (y + 1 < (unsigned)height)
232
vertical_decompose53iH0(b1, b2, b3, width);
233
if (y + 0 < (unsigned)height)
234
vertical_decompose53iL0(b0, b1, b2, width);
241
static void horizontal_decompose97i(DWTELEM *b, DWTELEM *temp, int width)
243
const int w2 = (width + 1) >> 1;
245
lift(temp + w2, b + 1, b, 1, 2, 2, width, W_AM, W_AO, W_AS, 1, 1);
246
liftS(temp, b, temp + w2, 1, 2, 1, width, W_BM, W_BO, W_BS, 0, 0);
247
lift(b + w2, temp + w2, temp, 1, 1, 1, width, W_CM, W_CO, W_CS, 1, 0);
248
lift(b, temp, b + w2, 1, 1, 1, width, W_DM, W_DO, W_DS, 0, 0);
251
static void vertical_decompose97iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2,
256
for (i = 0; i < width; i++)
257
b1[i] -= (W_AM * (b0[i] + b2[i]) + W_AO) >> W_AS;
260
static void vertical_decompose97iH1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2,
265
for (i = 0; i < width; i++)
266
b1[i] += (W_CM * (b0[i] + b2[i]) + W_CO) >> W_CS;
269
static void vertical_decompose97iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2,
274
for (i = 0; i < width; i++)
275
b1[i] = (16 * 4 * b1[i] - 4 * (b0[i] + b2[i]) + W_BO * 5 + (5 << 27)) /
276
(5 * 16) - (1 << 23);
279
static void vertical_decompose97iL1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2,
284
for (i = 0; i < width; i++)
285
b1[i] += (W_DM * (b0[i] + b2[i]) + W_DO) >> W_DS;
288
static void spatial_decompose97i(DWTELEM *buffer, DWTELEM *temp,
289
int width, int height, int stride)
292
DWTELEM *b0 = buffer + mirror(-4 - 1, height - 1) * stride;
293
DWTELEM *b1 = buffer + mirror(-4, height - 1) * stride;
294
DWTELEM *b2 = buffer + mirror(-4 + 1, height - 1) * stride;
295
DWTELEM *b3 = buffer + mirror(-4 + 2, height - 1) * stride;
297
for (y = -4; y < height; y += 2) {
298
DWTELEM *b4 = buffer + mirror(y + 3, height - 1) * stride;
299
DWTELEM *b5 = buffer + mirror(y + 4, height - 1) * stride;
301
if (y + 3 < (unsigned)height)
302
horizontal_decompose97i(b4, temp, width);
303
if (y + 4 < (unsigned)height)
304
horizontal_decompose97i(b5, temp, width);
306
if (y + 3 < (unsigned)height)
307
vertical_decompose97iH0(b3, b4, b5, width);
308
if (y + 2 < (unsigned)height)
309
vertical_decompose97iL0(b2, b3, b4, width);
310
if (y + 1 < (unsigned)height)
311
vertical_decompose97iH1(b1, b2, b3, width);
312
if (y + 0 < (unsigned)height)
313
vertical_decompose97iL1(b0, b1, b2, width);
322
void ff_spatial_dwt(DWTELEM *buffer, DWTELEM *temp, int width, int height,
323
int stride, int type, int decomposition_count)
395
for(level=0; level<decomposition_count; level++){
397
case DWT_97: spatial_decompose97i(buffer, width>>level, height>>level, stride<<level); break;
398
case DWT_53: spatial_decompose53i(buffer, width>>level, height>>level, stride<<level); break;
327
for (level = 0; level < decomposition_count; level++) {
330
spatial_decompose97i(buffer, temp,
331
width >> level, height >> level,
335
spatial_decompose53i(buffer, temp,
336
width >> level, height >> level,
403
static void horizontal_compose53i(IDWTELEM *b, int width){
404
IDWTELEM temp[width];
405
const int width2= width>>1;
406
const int w2= (width+1)>>1;
343
static void horizontal_compose53i(IDWTELEM *b, IDWTELEM *temp, int width)
345
const int width2 = width >> 1;
346
const int w2 = (width + 1) >> 1;
409
for(x=0; x<width2; x++){
411
temp[2*x + 1]= b[x+w2];
416
b[0] = temp[0] - ((temp[1]+1)>>1);
417
for(x=2; x<width-1; x+=2){
418
b[x ] = temp[x ] - ((temp[x-1] + temp[x+1]+2)>>2);
419
b[x-1] = temp[x-1] + ((b [x-2] + b [x ]+1)>>1);
422
b[x ] = temp[x ] - ((temp[x-1]+1)>>1);
423
b[x-1] = temp[x-1] + ((b [x-2] + b [x ]+1)>>1);
425
b[x-1] = temp[x-1] + b[x-2];
428
static void vertical_compose53iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width){
431
for(i=0; i<width; i++){
432
b1[i] += (b0[i] + b2[i])>>1;
436
static void vertical_compose53iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width){
439
for(i=0; i<width; i++){
440
b1[i] -= (b0[i] + b2[i] + 2)>>2;
444
static void spatial_compose53i_buffered_init(DWTCompose *cs, slice_buffer * sb, int height, int stride_line){
445
cs->b0 = slice_buffer_get_line(sb, mirror(-1-1, height-1) * stride_line);
446
cs->b1 = slice_buffer_get_line(sb, mirror(-1 , height-1) * stride_line);
450
static void spatial_compose53i_init(DWTCompose *cs, IDWTELEM *buffer, int height, int stride){
451
cs->b0 = buffer + mirror(-1-1, height-1)*stride;
452
cs->b1 = buffer + mirror(-1 , height-1)*stride;
456
static void spatial_compose53i_dy_buffered(DWTCompose *cs, slice_buffer * sb, int width, int height, int stride_line){
459
IDWTELEM *b0= cs->b0;
460
IDWTELEM *b1= cs->b1;
461
IDWTELEM *b2= slice_buffer_get_line(sb, mirror(y+1, height-1) * stride_line);
462
IDWTELEM *b3= slice_buffer_get_line(sb, mirror(y+2, height-1) * stride_line);
464
if(y+1<(unsigned)height && y<(unsigned)height){
349
for (x = 0; x < width2; x++) {
351
temp[2 * x + 1] = b[x + w2];
356
b[0] = temp[0] - ((temp[1] + 1) >> 1);
357
for (x = 2; x < width - 1; x += 2) {
358
b[x] = temp[x] - ((temp[x - 1] + temp[x + 1] + 2) >> 2);
359
b[x - 1] = temp[x - 1] + ((b[x - 2] + b[x] + 1) >> 1);
362
b[x] = temp[x] - ((temp[x - 1] + 1) >> 1);
363
b[x - 1] = temp[x - 1] + ((b[x - 2] + b[x] + 1) >> 1);
365
b[x - 1] = temp[x - 1] + b[x - 2];
368
static void vertical_compose53iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
373
for (i = 0; i < width; i++)
374
b1[i] += (b0[i] + b2[i]) >> 1;
377
static void vertical_compose53iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
382
for (i = 0; i < width; i++)
383
b1[i] -= (b0[i] + b2[i] + 2) >> 2;
386
static void spatial_compose53i_buffered_init(DWTCompose *cs, slice_buffer *sb,
387
int height, int stride_line)
389
cs->b0 = slice_buffer_get_line(sb,
390
mirror(-1 - 1, height - 1) * stride_line);
391
cs->b1 = slice_buffer_get_line(sb, mirror(-1, height - 1) * stride_line);
395
static void spatial_compose53i_init(DWTCompose *cs, IDWTELEM *buffer,
396
int height, int stride)
398
cs->b0 = buffer + mirror(-1 - 1, height - 1) * stride;
399
cs->b1 = buffer + mirror(-1, height - 1) * stride;
403
static void spatial_compose53i_dy_buffered(DWTCompose *cs, slice_buffer *sb,
405
int width, int height,
410
IDWTELEM *b0 = cs->b0;
411
IDWTELEM *b1 = cs->b1;
412
IDWTELEM *b2 = slice_buffer_get_line(sb,
413
mirror(y + 1, height - 1) *
415
IDWTELEM *b3 = slice_buffer_get_line(sb,
416
mirror(y + 2, height - 1) *
419
if (y + 1 < (unsigned)height && y < (unsigned)height) {
467
for(x=0; x<width; x++){
468
b2[x] -= (b1[x] + b3[x] + 2)>>2;
469
b1[x] += (b0[x] + b2[x])>>1;
422
for (x = 0; x < width; x++) {
423
b2[x] -= (b1[x] + b3[x] + 2) >> 2;
424
b1[x] += (b0[x] + b2[x]) >> 1;
472
if(y+1<(unsigned)height) vertical_compose53iL0(b1, b2, b3, width);
473
if(y+0<(unsigned)height) vertical_compose53iH0(b0, b1, b2, width);
427
if (y + 1 < (unsigned)height)
428
vertical_compose53iL0(b1, b2, b3, width);
429
if (y + 0 < (unsigned)height)
430
vertical_compose53iH0(b0, b1, b2, width);
476
if(y-1<(unsigned)height) horizontal_compose53i(b0, width);
477
if(y+0<(unsigned)height) horizontal_compose53i(b1, width);
484
static void spatial_compose53i_dy(DWTCompose *cs, IDWTELEM *buffer, int width, int height, int stride){
486
IDWTELEM *b0= cs->b0;
487
IDWTELEM *b1= cs->b1;
488
IDWTELEM *b2= buffer + mirror(y+1, height-1)*stride;
489
IDWTELEM *b3= buffer + mirror(y+2, height-1)*stride;
491
if(y+1<(unsigned)height) vertical_compose53iL0(b1, b2, b3, width);
492
if(y+0<(unsigned)height) vertical_compose53iH0(b0, b1, b2, width);
494
if(y-1<(unsigned)height) horizontal_compose53i(b0, width);
495
if(y+0<(unsigned)height) horizontal_compose53i(b1, width);
502
static void av_unused spatial_compose53i(IDWTELEM *buffer, int width, int height, int stride){
504
spatial_compose53i_init(&cs, buffer, height, stride);
505
while(cs.y <= height)
506
spatial_compose53i_dy(&cs, buffer, width, height, stride);
510
void ff_snow_horizontal_compose97i(IDWTELEM *b, int width){
511
IDWTELEM temp[width];
512
const int w2= (width+1)>>1;
514
#if 0 //maybe more understadable but slower
515
inv_lift (temp , b , b +w2, 2, 1, 1, width, W_DM, W_DO, W_DS, 0, 1);
516
inv_lift (temp+1 , b +w2, temp , 2, 1, 2, width, W_CM, W_CO, W_CS, 1, 1);
518
inv_liftS(b , temp , temp+1 , 2, 2, 2, width, W_BM, W_BO, W_BS, 0, 1);
519
inv_lift (b+1 , temp+1 , b , 2, 2, 2, width, W_AM, W_AO, W_AS, 1, 0);
433
if (y - 1 < (unsigned)height)
434
horizontal_compose53i(b0, temp, width);
435
if (y + 0 < (unsigned)height)
436
horizontal_compose53i(b1, temp, width);
443
static void spatial_compose53i_dy(DWTCompose *cs, IDWTELEM *buffer,
444
IDWTELEM *temp, int width, int height,
448
IDWTELEM *b0 = cs->b0;
449
IDWTELEM *b1 = cs->b1;
450
IDWTELEM *b2 = buffer + mirror(y + 1, height - 1) * stride;
451
IDWTELEM *b3 = buffer + mirror(y + 2, height - 1) * stride;
453
if (y + 1 < (unsigned)height)
454
vertical_compose53iL0(b1, b2, b3, width);
455
if (y + 0 < (unsigned)height)
456
vertical_compose53iH0(b0, b1, b2, width);
458
if (y - 1 < (unsigned)height)
459
horizontal_compose53i(b0, temp, width);
460
if (y + 0 < (unsigned)height)
461
horizontal_compose53i(b1, temp, width);
468
void ff_snow_horizontal_compose97i(IDWTELEM *b, IDWTELEM *temp, int width)
470
const int w2 = (width + 1) >> 1;
522
temp[0] = b[0] - ((3*b[w2]+2)>>2);
523
for(x=1; x<(width>>1); x++){
524
temp[2*x ] = b[x ] - ((3*(b [x+w2-1] + b[x+w2])+4)>>3);
525
temp[2*x-1] = b[x+w2-1] - temp[2*x-2] - temp[2*x];
528
temp[2*x ] = b[x ] - ((3*b [x+w2-1]+2)>>2);
529
temp[2*x-1] = b[x+w2-1] - temp[2*x-2] - temp[2*x];
531
temp[2*x-1] = b[x+w2-1] - 2*temp[2*x-2];
533
b[0] = temp[0] + ((2*temp[0] + temp[1]+4)>>3);
534
for(x=2; x<width-1; x+=2){
535
b[x ] = temp[x ] + ((4*temp[x ] + temp[x-1] + temp[x+1]+8)>>4);
536
b[x-1] = temp[x-1] + ((3*(b [x-2] + b [x ] ))>>1);
539
b[x ] = temp[x ] + ((2*temp[x ] + temp[x-1]+4)>>3);
540
b[x-1] = temp[x-1] + ((3*(b [x-2] + b [x ] ))>>1);
542
b[x-1] = temp[x-1] + 3*b [x-2];
546
static void vertical_compose97iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width){
549
for(i=0; i<width; i++){
550
b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
554
static void vertical_compose97iH1(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width){
557
for(i=0; i<width; i++){
558
b1[i] -= (W_CM*(b0[i] + b2[i])+W_CO)>>W_CS;
562
static void vertical_compose97iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width){
565
for(i=0; i<width; i++){
567
b1[i] += (W_BM*(b0[i] + b2[i])+W_BO)>>W_BS;
569
b1[i] += (W_BM*(b0[i] + b2[i])+4*b1[i]+W_BO)>>W_BS;
574
static void vertical_compose97iL1(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width){
577
for(i=0; i<width; i++){
578
b1[i] -= (W_DM*(b0[i] + b2[i])+W_DO)>>W_DS;
582
void ff_snow_vertical_compose97i(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){
585
for(i=0; i<width; i++){
586
b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
587
b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
589
b2[i] += (W_BM*(b1[i] + b3[i])+W_BO)>>W_BS;
591
b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
593
b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
597
static void spatial_compose97i_buffered_init(DWTCompose *cs, slice_buffer * sb, int height, int stride_line){
598
cs->b0 = slice_buffer_get_line(sb, mirror(-3-1, height-1) * stride_line);
599
cs->b1 = slice_buffer_get_line(sb, mirror(-3 , height-1) * stride_line);
600
cs->b2 = slice_buffer_get_line(sb, mirror(-3+1, height-1) * stride_line);
601
cs->b3 = slice_buffer_get_line(sb, mirror(-3+2, height-1) * stride_line);
605
static void spatial_compose97i_init(DWTCompose *cs, IDWTELEM *buffer, int height, int stride){
606
cs->b0 = buffer + mirror(-3-1, height-1)*stride;
607
cs->b1 = buffer + mirror(-3 , height-1)*stride;
608
cs->b2 = buffer + mirror(-3+1, height-1)*stride;
609
cs->b3 = buffer + mirror(-3+2, height-1)*stride;
613
static void spatial_compose97i_dy_buffered(DWTContext *dsp, DWTCompose *cs, slice_buffer * sb, int width, int height, int stride_line){
473
temp[0] = b[0] - ((3 * b[w2] + 2) >> 2);
474
for (x = 1; x < (width >> 1); x++) {
475
temp[2 * x] = b[x] - ((3 * (b[x + w2 - 1] + b[x + w2]) + 4) >> 3);
476
temp[2 * x - 1] = b[x + w2 - 1] - temp[2 * x - 2] - temp[2 * x];
479
temp[2 * x] = b[x] - ((3 * b[x + w2 - 1] + 2) >> 2);
480
temp[2 * x - 1] = b[x + w2 - 1] - temp[2 * x - 2] - temp[2 * x];
482
temp[2 * x - 1] = b[x + w2 - 1] - 2 * temp[2 * x - 2];
484
b[0] = temp[0] + ((2 * temp[0] + temp[1] + 4) >> 3);
485
for (x = 2; x < width - 1; x += 2) {
486
b[x] = temp[x] + ((4 * temp[x] + temp[x - 1] + temp[x + 1] + 8) >> 4);
487
b[x - 1] = temp[x - 1] + ((3 * (b[x - 2] + b[x])) >> 1);
490
b[x] = temp[x] + ((2 * temp[x] + temp[x - 1] + 4) >> 3);
491
b[x - 1] = temp[x - 1] + ((3 * (b[x - 2] + b[x])) >> 1);
493
b[x - 1] = temp[x - 1] + 3 * b[x - 2];
496
static void vertical_compose97iH0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
501
for (i = 0; i < width; i++)
502
b1[i] += (W_AM * (b0[i] + b2[i]) + W_AO) >> W_AS;
505
static void vertical_compose97iH1(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
510
for (i = 0; i < width; i++)
511
b1[i] -= (W_CM * (b0[i] + b2[i]) + W_CO) >> W_CS;
514
static void vertical_compose97iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
519
for (i = 0; i < width; i++)
520
b1[i] += (W_BM * (b0[i] + b2[i]) + 4 * b1[i] + W_BO) >> W_BS;
523
static void vertical_compose97iL1(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
528
for (i = 0; i < width; i++)
529
b1[i] -= (W_DM * (b0[i] + b2[i]) + W_DO) >> W_DS;
532
void ff_snow_vertical_compose97i(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
533
IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5,
538
for (i = 0; i < width; i++) {
539
b4[i] -= (W_DM * (b3[i] + b5[i]) + W_DO) >> W_DS;
540
b3[i] -= (W_CM * (b2[i] + b4[i]) + W_CO) >> W_CS;
541
b2[i] += (W_BM * (b1[i] + b3[i]) + 4 * b2[i] + W_BO) >> W_BS;
542
b1[i] += (W_AM * (b0[i] + b2[i]) + W_AO) >> W_AS;
546
static void spatial_compose97i_buffered_init(DWTCompose *cs, slice_buffer *sb,
547
int height, int stride_line)
549
cs->b0 = slice_buffer_get_line(sb, mirror(-3 - 1, height - 1) * stride_line);
550
cs->b1 = slice_buffer_get_line(sb, mirror(-3, height - 1) * stride_line);
551
cs->b2 = slice_buffer_get_line(sb, mirror(-3 + 1, height - 1) * stride_line);
552
cs->b3 = slice_buffer_get_line(sb, mirror(-3 + 2, height - 1) * stride_line);
556
static void spatial_compose97i_init(DWTCompose *cs, IDWTELEM *buffer, int height,
559
cs->b0 = buffer + mirror(-3 - 1, height - 1) * stride;
560
cs->b1 = buffer + mirror(-3, height - 1) * stride;
561
cs->b2 = buffer + mirror(-3 + 1, height - 1) * stride;
562
cs->b3 = buffer + mirror(-3 + 2, height - 1) * stride;
566
static void spatial_compose97i_dy_buffered(DWTContext *dsp, DWTCompose *cs,
567
slice_buffer * sb, IDWTELEM *temp,
568
int width, int height,
616
IDWTELEM *b0= cs->b0;
617
IDWTELEM *b1= cs->b1;
618
IDWTELEM *b2= cs->b2;
619
IDWTELEM *b3= cs->b3;
620
IDWTELEM *b4= slice_buffer_get_line(sb, mirror(y + 3, height - 1) * stride_line);
621
IDWTELEM *b5= slice_buffer_get_line(sb, mirror(y + 4, height - 1) * stride_line);
573
IDWTELEM *b0 = cs->b0;
574
IDWTELEM *b1 = cs->b1;
575
IDWTELEM *b2 = cs->b2;
576
IDWTELEM *b3 = cs->b3;
577
IDWTELEM *b4 = slice_buffer_get_line(sb,
578
mirror(y + 3, height - 1) *
580
IDWTELEM *b5 = slice_buffer_get_line(sb,
581
mirror(y + 4, height - 1) *
623
if(y>0 && y+4<height){
584
if (y > 0 && y + 4 < height) {
624
585
dsp->vertical_compose97i(b0, b1, b2, b3, b4, b5, width);
626
if(y+3<(unsigned)height) vertical_compose97iL1(b3, b4, b5, width);
627
if(y+2<(unsigned)height) vertical_compose97iH1(b2, b3, b4, width);
628
if(y+1<(unsigned)height) vertical_compose97iL0(b1, b2, b3, width);
629
if(y+0<(unsigned)height) vertical_compose97iH0(b0, b1, b2, width);
632
if(y-1<(unsigned)height) dsp->horizontal_compose97i(b0, width);
633
if(y+0<(unsigned)height) dsp->horizontal_compose97i(b1, width);
642
static void spatial_compose97i_dy(DWTCompose *cs, IDWTELEM *buffer, int width, int height, int stride){
644
IDWTELEM *b0= cs->b0;
645
IDWTELEM *b1= cs->b1;
646
IDWTELEM *b2= cs->b2;
647
IDWTELEM *b3= cs->b3;
648
IDWTELEM *b4= buffer + mirror(y+3, height-1)*stride;
649
IDWTELEM *b5= buffer + mirror(y+4, height-1)*stride;
651
if(y+3<(unsigned)height) vertical_compose97iL1(b3, b4, b5, width);
652
if(y+2<(unsigned)height) vertical_compose97iH1(b2, b3, b4, width);
653
if(y+1<(unsigned)height) vertical_compose97iL0(b1, b2, b3, width);
654
if(y+0<(unsigned)height) vertical_compose97iH0(b0, b1, b2, width);
656
if(y-1<(unsigned)height) ff_snow_horizontal_compose97i(b0, width);
657
if(y+0<(unsigned)height) ff_snow_horizontal_compose97i(b1, width);
666
static void av_unused spatial_compose97i(IDWTELEM *buffer, int width, int height, int stride){
668
spatial_compose97i_init(&cs, buffer, height, stride);
669
while(cs.y <= height)
670
spatial_compose97i_dy(&cs, buffer, width, height, stride);
673
void ff_spatial_idwt_buffered_init(DWTCompose *cs, slice_buffer * sb, int width, int height, int stride_line, int type, int decomposition_count){
675
for(level=decomposition_count-1; level>=0; level--){
677
case DWT_97: spatial_compose97i_buffered_init(cs+level, sb, height>>level, stride_line<<level); break;
678
case DWT_53: spatial_compose53i_buffered_init(cs+level, sb, height>>level, stride_line<<level); break;
683
void ff_spatial_idwt_buffered_slice(DWTContext *dsp, DWTCompose *cs, slice_buffer * slice_buf, int width, int height, int stride_line, int type, int decomposition_count, int y){
684
const int support = type==1 ? 3 : 5;
688
for(level=decomposition_count-1; level>=0; level--){
689
while(cs[level].y <= FFMIN((y>>level)+support, height>>level)){
691
case DWT_97: spatial_compose97i_dy_buffered(dsp, cs+level, slice_buf, width>>level, height>>level, stride_line<<level);
693
case DWT_53: spatial_compose53i_dy_buffered(cs+level, slice_buf, width>>level, height>>level, stride_line<<level);
700
static void ff_spatial_idwt_init(DWTCompose *cs, IDWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
702
for(level=decomposition_count-1; level>=0; level--){
704
case DWT_97: spatial_compose97i_init(cs+level, buffer, height>>level, stride<<level); break;
705
case DWT_53: spatial_compose53i_init(cs+level, buffer, height>>level, stride<<level); break;
710
static void ff_spatial_idwt_slice(DWTCompose *cs, IDWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count, int y){
711
const int support = type==1 ? 3 : 5;
715
for(level=decomposition_count-1; level>=0; level--){
716
while(cs[level].y <= FFMIN((y>>level)+support, height>>level)){
718
case DWT_97: spatial_compose97i_dy(cs+level, buffer, width>>level, height>>level, stride<<level);
720
case DWT_53: spatial_compose53i_dy(cs+level, buffer, width>>level, height>>level, stride<<level);
727
void ff_spatial_idwt(IDWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
728
DWTCompose cs[MAX_DECOMPOSITIONS];
730
ff_spatial_idwt_init(cs, buffer, width, height, stride, type, decomposition_count);
731
for(y=0; y<height; y+=4)
732
ff_spatial_idwt_slice(cs, buffer, width, height, stride, type, decomposition_count, y);
735
static inline int w_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int w, int h, int type){
587
if (y + 3 < (unsigned)height)
588
vertical_compose97iL1(b3, b4, b5, width);
589
if (y + 2 < (unsigned)height)
590
vertical_compose97iH1(b2, b3, b4, width);
591
if (y + 1 < (unsigned)height)
592
vertical_compose97iL0(b1, b2, b3, width);
593
if (y + 0 < (unsigned)height)
594
vertical_compose97iH0(b0, b1, b2, width);
597
if (y - 1 < (unsigned)height)
598
dsp->horizontal_compose97i(b0, temp, width);
599
if (y + 0 < (unsigned)height)
600
dsp->horizontal_compose97i(b1, temp, width);
609
static void spatial_compose97i_dy(DWTCompose *cs, IDWTELEM *buffer,
610
IDWTELEM *temp, int width, int height,
614
IDWTELEM *b0 = cs->b0;
615
IDWTELEM *b1 = cs->b1;
616
IDWTELEM *b2 = cs->b2;
617
IDWTELEM *b3 = cs->b3;
618
IDWTELEM *b4 = buffer + mirror(y + 3, height - 1) * stride;
619
IDWTELEM *b5 = buffer + mirror(y + 4, height - 1) * stride;
621
if (y + 3 < (unsigned)height)
622
vertical_compose97iL1(b3, b4, b5, width);
623
if (y + 2 < (unsigned)height)
624
vertical_compose97iH1(b2, b3, b4, width);
625
if (y + 1 < (unsigned)height)
626
vertical_compose97iL0(b1, b2, b3, width);
627
if (y + 0 < (unsigned)height)
628
vertical_compose97iH0(b0, b1, b2, width);
630
if (y - 1 < (unsigned)height)
631
ff_snow_horizontal_compose97i(b0, temp, width);
632
if (y + 0 < (unsigned)height)
633
ff_snow_horizontal_compose97i(b1, temp, width);
642
void ff_spatial_idwt_buffered_init(DWTCompose *cs, slice_buffer *sb, int width,
643
int height, int stride_line, int type,
644
int decomposition_count)
647
for (level = decomposition_count - 1; level >= 0; level--) {
650
spatial_compose97i_buffered_init(cs + level, sb, height >> level,
651
stride_line << level);
654
spatial_compose53i_buffered_init(cs + level, sb, height >> level,
655
stride_line << level);
661
void ff_spatial_idwt_buffered_slice(DWTContext *dsp, DWTCompose *cs,
662
slice_buffer *slice_buf, IDWTELEM *temp,
663
int width, int height, int stride_line,
664
int type, int decomposition_count, int y)
666
const int support = type == 1 ? 3 : 5;
671
for (level = decomposition_count - 1; level >= 0; level--)
672
while (cs[level].y <= FFMIN((y >> level) + support, height >> level)) {
675
spatial_compose97i_dy_buffered(dsp, cs + level, slice_buf, temp,
678
stride_line << level);
681
spatial_compose53i_dy_buffered(cs + level, slice_buf, temp,
684
stride_line << level);
690
static void ff_spatial_idwt_init(DWTCompose *cs, IDWTELEM *buffer, int width,
691
int height, int stride, int type,
692
int decomposition_count)
695
for (level = decomposition_count - 1; level >= 0; level--) {
698
spatial_compose97i_init(cs + level, buffer, height >> level,
702
spatial_compose53i_init(cs + level, buffer, height >> level,
709
static void ff_spatial_idwt_slice(DWTCompose *cs, IDWTELEM *buffer,
710
IDWTELEM *temp, int width, int height,
711
int stride, int type,
712
int decomposition_count, int y)
714
const int support = type == 1 ? 3 : 5;
719
for (level = decomposition_count - 1; level >= 0; level--)
720
while (cs[level].y <= FFMIN((y >> level) + support, height >> level)) {
723
spatial_compose97i_dy(cs + level, buffer, temp, width >> level,
724
height >> level, stride << level);
727
spatial_compose53i_dy(cs + level, buffer, temp, width >> level,
728
height >> level, stride << level);
734
void ff_spatial_idwt(IDWTELEM *buffer, IDWTELEM *temp, int width, int height,
735
int stride, int type, int decomposition_count)
737
DWTCompose cs[MAX_DECOMPOSITIONS];
739
ff_spatial_idwt_init(cs, buffer, width, height, stride, type,
740
decomposition_count);
741
for (y = 0; y < height; y += 4)
742
ff_spatial_idwt_slice(cs, buffer, temp, width, height, stride, type,
743
decomposition_count, y);
746
static inline int w_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size,
747
int w, int h, int type)
737
const int dec_count= w==8 ? 3 : 4;
750
const int dec_count = w == 8 ? 3 : 4;
751
int tmp[32 * 32], tmp2[32];
740
static const int scale[2][2][4][4]={
744
{268, 239, 239, 213},
748
// 9/7 16x16 or 32x32 dec=4
749
{344, 310, 310, 280},
757
{275, 245, 245, 218},
761
// 5/3 16x16 or 32x32 dec=4
762
{352, 317, 317, 286},
753
static const int scale[2][2][4][4] = {
756
{ 268, 239, 239, 213 },
757
{ 0, 224, 224, 152 },
758
{ 0, 135, 135, 110 },
760
{ // 9/7 16x16 or 32x32 dec=4
761
{ 344, 310, 310, 280 },
762
{ 0, 320, 320, 228 },
763
{ 0, 175, 175, 136 },
764
{ 0, 129, 129, 102 },
769
{ 275, 245, 245, 218 },
770
{ 0, 230, 230, 156 },
771
{ 0, 138, 138, 113 },
773
{ // 5/3 16x16 or 32x32 dec=4
774
{ 352, 317, 317, 286 },
775
{ 0, 328, 328, 233 },
776
{ 0, 180, 180, 140 },
777
{ 0, 132, 132, 105 },
770
782
for (i = 0; i < h; i++) {
771
for (j = 0; j < w; j+=4) {
772
tmp[32*i+j+0] = (pix1[j+0] - pix2[j+0])<<4;
773
tmp[32*i+j+1] = (pix1[j+1] - pix2[j+1])<<4;
774
tmp[32*i+j+2] = (pix1[j+2] - pix2[j+2])<<4;
775
tmp[32*i+j+3] = (pix1[j+3] - pix2[j+3])<<4;
783
for (j = 0; j < w; j += 4) {
784
tmp[32 * i + j + 0] = (pix1[j + 0] - pix2[j + 0]) << 4;
785
tmp[32 * i + j + 1] = (pix1[j + 1] - pix2[j + 1]) << 4;
786
tmp[32 * i + j + 2] = (pix1[j + 2] - pix2[j + 2]) << 4;
787
tmp[32 * i + j + 3] = (pix1[j + 3] - pix2[j + 3]) << 4;
777
789
pix1 += line_size;
778
790
pix2 += line_size;
781
ff_spatial_dwt(tmp, w, h, 32, type, dec_count);
785
for(level=0; level<dec_count; level++){
786
for(ori= level ? 1 : 0; ori<4; ori++){
787
int size= w>>(dec_count-level);
788
int sx= (ori&1) ? size : 0;
789
int stride= 32<<(dec_count-level);
790
int sy= (ori&2) ? stride>>1 : 0;
792
for(i=0; i<size; i++){
793
for(j=0; j<size; j++){
794
int v= tmp[sx + sy + i*stride + j] * scale[type][dec_count-3][level][ori];
793
ff_spatial_dwt(tmp, tmp2, w, h, 32, type, dec_count);
797
for (level = 0; level < dec_count; level++)
798
for (ori = level ? 1 : 0; ori < 4; ori++) {
799
int size = w >> (dec_count - level);
800
int sx = (ori & 1) ? size : 0;
801
int stride = 32 << (dec_count - level);
802
int sy = (ori & 2) ? stride >> 1 : 0;
804
for (i = 0; i < size; i++)
805
for (j = 0; j < size; j++) {
806
int v = tmp[sx + sy + i * stride + j] *
807
scale[type][dec_count - 3][level][ori];
804
static int w53_8_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h){
805
return w_c(v, pix1, pix2, line_size, 8, h, 1);
808
static int w97_8_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h){
809
return w_c(v, pix1, pix2, line_size, 8, h, 0);
812
static int w53_16_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h){
815
static int w53_8_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
817
return w_c(v, pix1, pix2, line_size, 8, h, 1);
820
static int w97_8_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
822
return w_c(v, pix1, pix2, line_size, 8, h, 0);
825
static int w53_16_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
813
827
return w_c(v, pix1, pix2, line_size, 16, h, 1);
816
static int w97_16_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h){
830
static int w97_16_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
817
832
return w_c(v, pix1, pix2, line_size, 16, h, 0);
820
int ff_w53_32_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h){
835
int ff_w53_32_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
821
837
return w_c(v, pix1, pix2, line_size, 32, h, 1);
824
int ff_w97_32_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h){
840
int ff_w97_32_c(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
825
842
return w_c(v, pix1, pix2, line_size, 32, h, 0);
828
845
void ff_dsputil_init_dwt(DSPContext *c)
847
c->w53[0] = w53_16_c;
849
c->w97[0] = w97_16_c;
836
853
void ff_dwt_init(DWTContext *c)
838
c->vertical_compose97i = ff_snow_vertical_compose97i;
855
c->vertical_compose97i = ff_snow_vertical_compose97i;
839
856
c->horizontal_compose97i = ff_snow_horizontal_compose97i;
840
c->inner_add_yblock = ff_snow_inner_add_yblock;
857
c->inner_add_yblock = ff_snow_inner_add_yblock;
842
if (HAVE_MMX) ff_dwt_init_x86(c);