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1 | /* | ||
2 | * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder | ||
3 | * Copyright (c) 2003-2011 Michael Niedermayer <michaelni@gmx.at> | ||
4 | * | ||
5 | * This file is part of FFmpeg. | ||
6 | * | ||
7 | * FFmpeg is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU Lesser General Public | ||
9 | * License as published by the Free Software Foundation; either | ||
10 | * version 2.1 of the License, or (at your option) any later version. | ||
11 | * | ||
12 | * FFmpeg is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * Lesser General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU Lesser General Public | ||
18 | * License along with FFmpeg; if not, write to the Free Software | ||
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
20 | */ | ||
21 | |||
22 | /** | ||
23 | * @file | ||
24 | * H.264 / AVC / MPEG-4 part10 DSP functions. | ||
25 | * @author Michael Niedermayer <michaelni@gmx.at> | ||
26 | */ | ||
27 | |||
28 | #include "bit_depth_template.c" | ||
29 | |||
30 | #define op_scale1(x) block[x] = av_clip_pixel( (block[x]*weight + offset) >> log2_denom ) | ||
31 | #define op_scale2(x) dst[x] = av_clip_pixel( (src[x]*weights + dst[x]*weightd + offset) >> (log2_denom+1)) | ||
32 | #define H264_WEIGHT(W) \ | ||
33 | static void FUNCC(weight_h264_pixels ## W)(uint8_t *_block, ptrdiff_t stride, int height, \ | ||
34 | int log2_denom, int weight, int offset) \ | ||
35 | { \ | ||
36 | int y; \ | ||
37 | pixel *block = (pixel*)_block; \ | ||
38 | stride >>= sizeof(pixel)-1; \ | ||
39 | offset = (unsigned)offset << (log2_denom + (BIT_DEPTH-8)); \ | ||
40 | if(log2_denom) offset += 1<<(log2_denom-1); \ | ||
41 | for (y = 0; y < height; y++, block += stride) { \ | ||
42 | op_scale1(0); \ | ||
43 | op_scale1(1); \ | ||
44 | if(W==2) continue; \ | ||
45 | op_scale1(2); \ | ||
46 | op_scale1(3); \ | ||
47 | if(W==4) continue; \ | ||
48 | op_scale1(4); \ | ||
49 | op_scale1(5); \ | ||
50 | op_scale1(6); \ | ||
51 | op_scale1(7); \ | ||
52 | if(W==8) continue; \ | ||
53 | op_scale1(8); \ | ||
54 | op_scale1(9); \ | ||
55 | op_scale1(10); \ | ||
56 | op_scale1(11); \ | ||
57 | op_scale1(12); \ | ||
58 | op_scale1(13); \ | ||
59 | op_scale1(14); \ | ||
60 | op_scale1(15); \ | ||
61 | } \ | ||
62 | } \ | ||
63 | static void FUNCC(biweight_h264_pixels ## W)(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride, int height, \ | ||
64 | int log2_denom, int weightd, int weights, int offset) \ | ||
65 | { \ | ||
66 | int y; \ | ||
67 | pixel *dst = (pixel*)_dst; \ | ||
68 | pixel *src = (pixel*)_src; \ | ||
69 | stride >>= sizeof(pixel)-1; \ | ||
70 | offset = (unsigned)offset << (BIT_DEPTH-8); \ | ||
71 | offset = (unsigned)((offset + 1) | 1) << log2_denom; \ | ||
72 | for (y = 0; y < height; y++, dst += stride, src += stride) { \ | ||
73 | op_scale2(0); \ | ||
74 | op_scale2(1); \ | ||
75 | if(W==2) continue; \ | ||
76 | op_scale2(2); \ | ||
77 | op_scale2(3); \ | ||
78 | if(W==4) continue; \ | ||
79 | op_scale2(4); \ | ||
80 | op_scale2(5); \ | ||
81 | op_scale2(6); \ | ||
82 | op_scale2(7); \ | ||
83 | if(W==8) continue; \ | ||
84 | op_scale2(8); \ | ||
85 | op_scale2(9); \ | ||
86 | op_scale2(10); \ | ||
87 | op_scale2(11); \ | ||
88 | op_scale2(12); \ | ||
89 | op_scale2(13); \ | ||
90 | op_scale2(14); \ | ||
91 | op_scale2(15); \ | ||
92 | } \ | ||
93 | } | ||
94 | |||
95 |
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27775634 | H264_WEIGHT(16) |
96 |
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16684676 | H264_WEIGHT(8) |
97 |
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9075496 | H264_WEIGHT(4) |
98 |
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4005176 | H264_WEIGHT(2) |
99 | |||
100 | #undef op_scale1 | ||
101 | #undef op_scale2 | ||
102 | #undef H264_WEIGHT | ||
103 | |||
104 | 75187302 | static av_always_inline av_flatten void FUNCC(h264_loop_filter_luma)(uint8_t *p_pix, ptrdiff_t xstride, ptrdiff_t ystride, int inner_iters, int alpha, int beta, int8_t *tc0) | |
105 | { | ||
106 | 75187302 | pixel *pix = (pixel*)p_pix; | |
107 | int i, d; | ||
108 | 75187302 | xstride >>= sizeof(pixel)-1; | |
109 | 75187302 | ystride >>= sizeof(pixel)-1; | |
110 | 75187302 | alpha <<= BIT_DEPTH - 8; | |
111 | 75187302 | beta <<= BIT_DEPTH - 8; | |
112 |
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375936510 | for( i = 0; i < 4; i++ ) { |
113 | 300749208 | const int tc_orig = tc0[i] * (1 << (BIT_DEPTH - 8)); | |
114 |
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300749208 | if( tc_orig < 0 ) { |
115 | 50486468 | pix += inner_iters*ystride; | |
116 | 50486468 | continue; | |
117 | } | ||
118 |
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1246511076 | for( d = 0; d < inner_iters; d++ ) { |
119 | 996248336 | const int p0 = pix[-1*xstride]; | |
120 | 996248336 | const int p1 = pix[-2*xstride]; | |
121 | 996248336 | const int p2 = pix[-3*xstride]; | |
122 | 996248336 | const int q0 = pix[0]; | |
123 | 996248336 | const int q1 = pix[1*xstride]; | |
124 | 996248336 | const int q2 = pix[2*xstride]; | |
125 | |||
126 |
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996248336 | if( FFABS( p0 - q0 ) < alpha && |
127 |
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853819212 | FFABS( p1 - p0 ) < beta && |
128 |
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641888746 | FFABS( q1 - q0 ) < beta ) { |
129 | |||
130 | 537397076 | int tc = tc_orig; | |
131 | int i_delta; | ||
132 | |||
133 |
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537397076 | if( FFABS( p2 - p0 ) < beta ) { |
134 |
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455509890 | if(tc_orig) |
135 | 425915262 | pix[-2*xstride] = p1 + av_clip( (( p2 + ( ( p0 + q0 + 1 ) >> 1 ) ) >> 1) - p1, -tc_orig, tc_orig ); | |
136 | 455509890 | tc++; | |
137 | } | ||
138 |
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537397076 | if( FFABS( q2 - q0 ) < beta ) { |
139 |
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453181430 | if(tc_orig) |
140 | 423641062 | pix[ xstride] = q1 + av_clip( (( q2 + ( ( p0 + q0 + 1 ) >> 1 ) ) >> 1) - q1, -tc_orig, tc_orig ); | |
141 | 453181430 | tc++; | |
142 | } | ||
143 | |||
144 | 537397076 | i_delta = av_clip( (((q0 - p0 ) * 4) + (p1 - q1) + 4) >> 3, -tc, tc ); | |
145 | 537397076 | pix[-xstride] = av_clip_pixel( p0 + i_delta ); /* p0' */ | |
146 | 537397076 | pix[0] = av_clip_pixel( q0 - i_delta ); /* q0' */ | |
147 | } | ||
148 | 996248336 | pix += ystride; | |
149 | } | ||
150 | } | ||
151 | 75187302 | } | |
152 | 38153094 | static void FUNCC(h264_v_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0) | |
153 | { | ||
154 | 38153094 | FUNCC(h264_loop_filter_luma)(pix, stride, sizeof(pixel), 4, alpha, beta, tc0); | |
155 | 38153094 | } | |
156 | 36433880 | static void FUNCC(h264_h_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0) | |
157 | { | ||
158 | 36433880 | FUNCC(h264_loop_filter_luma)(pix, sizeof(pixel), stride, 4, alpha, beta, tc0); | |
159 | 36433880 | } | |
160 | 600328 | static void FUNCC(h264_h_loop_filter_luma_mbaff)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0) | |
161 | { | ||
162 | 600328 | FUNCC(h264_loop_filter_luma)(pix, sizeof(pixel), stride, 2, alpha, beta, tc0); | |
163 | 600328 | } | |
164 | |||
165 | 11265792 | static av_always_inline av_flatten void FUNCC(h264_loop_filter_luma_intra)(uint8_t *p_pix, ptrdiff_t xstride, ptrdiff_t ystride, int inner_iters, int alpha, int beta) | |
166 | { | ||
167 | 11265792 | pixel *pix = (pixel*)p_pix; | |
168 | int d; | ||
169 | 11265792 | xstride >>= sizeof(pixel)-1; | |
170 | 11265792 | ystride >>= sizeof(pixel)-1; | |
171 | 11265792 | alpha <<= BIT_DEPTH - 8; | |
172 | 11265792 | beta <<= BIT_DEPTH - 8; | |
173 |
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185521472 | for( d = 0; d < 4 * inner_iters; d++ ) { |
174 | 174255680 | const int p2 = pix[-3*xstride]; | |
175 | 174255680 | const int p1 = pix[-2*xstride]; | |
176 | 174255680 | const int p0 = pix[-1*xstride]; | |
177 | |||
178 | 174255680 | const int q0 = pix[ 0*xstride]; | |
179 | 174255680 | const int q1 = pix[ 1*xstride]; | |
180 | 174255680 | const int q2 = pix[ 2*xstride]; | |
181 | |||
182 |
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174255680 | if( FFABS( p0 - q0 ) < alpha && |
183 |
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153254874 | FFABS( p1 - p0 ) < beta && |
184 |
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122861730 | FFABS( q1 - q0 ) < beta ) { |
185 | |||
186 |
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105814354 | if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){ |
187 |
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87921170 | if( FFABS( p2 - p0 ) < beta) |
188 | { | ||
189 | 79160984 | const int p3 = pix[-4*xstride]; | |
190 | /* p0', p1', p2' */ | ||
191 | 79160984 | pix[-1*xstride] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3; | |
192 | 79160984 | pix[-2*xstride] = ( p2 + p1 + p0 + q0 + 2 ) >> 2; | |
193 | 79160984 | pix[-3*xstride] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3; | |
194 | } else { | ||
195 | /* p0' */ | ||
196 | 8760186 | pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; | |
197 | } | ||
198 |
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87921170 | if( FFABS( q2 - q0 ) < beta) |
199 | { | ||
200 | 78703268 | const int q3 = pix[3*xstride]; | |
201 | /* q0', q1', q2' */ | ||
202 | 78703268 | pix[0*xstride] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3; | |
203 | 78703268 | pix[1*xstride] = ( p0 + q0 + q1 + q2 + 2 ) >> 2; | |
204 | 78703268 | pix[2*xstride] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3; | |
205 | } else { | ||
206 | /* q0' */ | ||
207 | 9217902 | pix[0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2; | |
208 | } | ||
209 | }else{ | ||
210 | /* p0', q0' */ | ||
211 | 17893184 | pix[-1*xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; | |
212 | 17893184 | pix[ 0*xstride] = ( 2*q1 + q0 + p1 + 2 ) >> 2; | |
213 | } | ||
214 | } | ||
215 | 174255680 | pix += ystride; | |
216 | } | ||
217 | 11265792 | } | |
218 | 4656422 | static void FUNCC(h264_v_loop_filter_luma_intra)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta) | |
219 | { | ||
220 | 4656422 | FUNCC(h264_loop_filter_luma_intra)(pix, stride, sizeof(pixel), 4, alpha, beta); | |
221 | 4656422 | } | |
222 | 5859746 | static void FUNCC(h264_h_loop_filter_luma_intra)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta) | |
223 | { | ||
224 | 5859746 | FUNCC(h264_loop_filter_luma_intra)(pix, sizeof(pixel), stride, 4, alpha, beta); | |
225 | 5859746 | } | |
226 | 749624 | static void FUNCC(h264_h_loop_filter_luma_mbaff_intra)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta) | |
227 | { | ||
228 | 749624 | FUNCC(h264_loop_filter_luma_intra)(pix, sizeof(pixel), stride, 2, alpha, beta); | |
229 | 749624 | } | |
230 | |||
231 | 89387054 | static av_always_inline av_flatten void FUNCC(h264_loop_filter_chroma)(uint8_t *p_pix, ptrdiff_t xstride, ptrdiff_t ystride, int inner_iters, int alpha, int beta, int8_t *tc0) | |
232 | { | ||
233 | 89387054 | pixel *pix = (pixel*)p_pix; | |
234 | int i, d; | ||
235 | 89387054 | alpha <<= BIT_DEPTH - 8; | |
236 | 89387054 | beta <<= BIT_DEPTH - 8; | |
237 | 89387054 | xstride >>= sizeof(pixel)-1; | |
238 | 89387054 | ystride >>= sizeof(pixel)-1; | |
239 |
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446935270 | for( i = 0; i < 4; i++ ) { |
240 | 357548216 | const int tc = ((tc0[i] - 1U) << (BIT_DEPTH - 8)) + 1; | |
241 |
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357548216 | if( tc <= 0 ) { |
242 | 47739156 | pix += inner_iters*ystride; | |
243 | 47739156 | continue; | |
244 | } | ||
245 |
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946366768 | for( d = 0; d < inner_iters; d++ ) { |
246 | 636557708 | const int p0 = pix[-1*xstride]; | |
247 | 636557708 | const int p1 = pix[-2*xstride]; | |
248 | 636557708 | const int q0 = pix[0]; | |
249 | 636557708 | const int q1 = pix[1*xstride]; | |
250 | |||
251 |
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636557708 | if( FFABS( p0 - q0 ) < alpha && |
252 |
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623426728 | FFABS( p1 - p0 ) < beta && |
253 |
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586233536 | FFABS( q1 - q0 ) < beta ) { |
254 | |||
255 | 561354644 | int delta = av_clip( ((q0 - p0) * 4 + (p1 - q1) + 4) >> 3, -tc, tc ); | |
256 | |||
257 | 561354644 | pix[-xstride] = av_clip_pixel( p0 + delta ); /* p0' */ | |
258 | 561354644 | pix[0] = av_clip_pixel( q0 - delta ); /* q0' */ | |
259 | } | ||
260 | 636557708 | pix += ystride; | |
261 | } | ||
262 | } | ||
263 | 89387054 | } | |
264 | 48519520 | static void FUNCC(h264_v_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0) | |
265 | { | ||
266 | 48519520 | FUNCC(h264_loop_filter_chroma)(pix, stride, sizeof(pixel), 2, alpha, beta, tc0); | |
267 | 48519520 | } | |
268 | 36794674 | static void FUNCC(h264_h_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0) | |
269 | { | ||
270 | 36794674 | FUNCC(h264_loop_filter_chroma)(pix, sizeof(pixel), stride, 2, alpha, beta, tc0); | |
271 | 36794674 | } | |
272 | 1299156 | static void FUNCC(h264_h_loop_filter_chroma_mbaff)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0) | |
273 | { | ||
274 | 1299156 | FUNCC(h264_loop_filter_chroma)(pix, sizeof(pixel), stride, 1, alpha, beta, tc0); | |
275 | 1299156 | } | |
276 | 2773272 | static void FUNCC(h264_h_loop_filter_chroma422)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0) | |
277 | { | ||
278 | 2773272 | FUNCC(h264_loop_filter_chroma)(pix, sizeof(pixel), stride, 4, alpha, beta, tc0); | |
279 | 2773272 | } | |
280 | 432 | static void FUNCC(h264_h_loop_filter_chroma422_mbaff)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0) | |
281 | { | ||
282 | 432 | FUNCC(h264_loop_filter_chroma)(pix, sizeof(pixel), stride, 2, alpha, beta, tc0); | |
283 | 432 | } | |
284 | |||
285 | 21972742 | static av_always_inline av_flatten void FUNCC(h264_loop_filter_chroma_intra)(uint8_t *p_pix, ptrdiff_t xstride, ptrdiff_t ystride, int inner_iters, int alpha, int beta) | |
286 | { | ||
287 | 21972742 | pixel *pix = (pixel*)p_pix; | |
288 | int d; | ||
289 | 21972742 | xstride >>= sizeof(pixel)-1; | |
290 | 21972742 | ystride >>= sizeof(pixel)-1; | |
291 | 21972742 | alpha <<= BIT_DEPTH - 8; | |
292 | 21972742 | beta <<= BIT_DEPTH - 8; | |
293 |
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213510470 | for( d = 0; d < 4 * inner_iters; d++ ) { |
294 | 191537728 | const int p0 = pix[-1*xstride]; | |
295 | 191537728 | const int p1 = pix[-2*xstride]; | |
296 | 191537728 | const int q0 = pix[0]; | |
297 | 191537728 | const int q1 = pix[1*xstride]; | |
298 | |||
299 |
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191537728 | if( FFABS( p0 - q0 ) < alpha && |
300 |
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185779172 | FFABS( p1 - p0 ) < beta && |
301 |
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175709586 | FFABS( q1 - q0 ) < beta ) { |
302 | |||
303 | 168621680 | pix[-xstride] = ( 2*p1 + p0 + q1 + 2 ) >> 2; /* p0' */ | |
304 | 168621680 | pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2; /* q0' */ | |
305 | } | ||
306 | 191537728 | pix += ystride; | |
307 | } | ||
308 | 21972742 | } | |
309 | 9010396 | static void FUNCC(h264_v_loop_filter_chroma_intra)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta) | |
310 | { | ||
311 | 9010396 | FUNCC(h264_loop_filter_chroma_intra)(pix, stride, sizeof(pixel), 2, alpha, beta); | |
312 | 9010396 | } | |
313 | 8964202 | static void FUNCC(h264_h_loop_filter_chroma_intra)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta) | |
314 | { | ||
315 | 8964202 | FUNCC(h264_loop_filter_chroma_intra)(pix, sizeof(pixel), stride, 2, alpha, beta); | |
316 | 8964202 | } | |
317 | 1059380 | static void FUNCC(h264_h_loop_filter_chroma_mbaff_intra)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta) | |
318 | { | ||
319 | 1059380 | FUNCC(h264_loop_filter_chroma_intra)(pix, sizeof(pixel), stride, 1, alpha, beta); | |
320 | 1059380 | } | |
321 | 2499164 | static void FUNCC(h264_h_loop_filter_chroma422_intra)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta) | |
322 | { | ||
323 | 2499164 | FUNCC(h264_loop_filter_chroma_intra)(pix, sizeof(pixel), stride, 4, alpha, beta); | |
324 | 2499164 | } | |
325 | 439600 | static void FUNCC(h264_h_loop_filter_chroma422_mbaff_intra)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta) | |
326 | { | ||
327 | 439600 | FUNCC(h264_loop_filter_chroma_intra)(pix, sizeof(pixel), stride, 2, alpha, beta); | |
328 | 439600 | } | |
329 |