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1 // Copyright 2011 Google Inc. All Rights Reserved. | 1 // Copyright 2011 Google Inc. All Rights Reserved. |
2 // | 2 // |
3 // Use of this source code is governed by a BSD-style license | 3 // Use of this source code is governed by a BSD-style license |
4 // that can be found in the COPYING file in the root of the source | 4 // that can be found in the COPYING file in the root of the source |
5 // tree. An additional intellectual property rights grant can be found | 5 // tree. An additional intellectual property rights grant can be found |
6 // in the file PATENTS. All contributing project authors may | 6 // in the file PATENTS. All contributing project authors may |
7 // be found in the AUTHORS file in the root of the source tree. | 7 // be found in the AUTHORS file in the root of the source tree. |
8 // ----------------------------------------------------------------------------- | 8 // ----------------------------------------------------------------------------- |
9 // | 9 // |
10 // Speed-critical functions. | 10 // Speed-critical functions. |
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153 uint8_t* top_dst, uint8_t* bottom_dst, int len); | 153 uint8_t* top_dst, uint8_t* bottom_dst, int len); |
154 | 154 |
155 #ifdef FANCY_UPSAMPLING | 155 #ifdef FANCY_UPSAMPLING |
156 | 156 |
157 // Fancy upsampling functions to convert YUV to RGB(A) modes | 157 // Fancy upsampling functions to convert YUV to RGB(A) modes |
158 extern WebPUpsampleLinePairFunc WebPUpsamplers[/* MODE_LAST */]; | 158 extern WebPUpsampleLinePairFunc WebPUpsamplers[/* MODE_LAST */]; |
159 | 159 |
160 // Initializes SSE2 version of the fancy upsamplers. | 160 // Initializes SSE2 version of the fancy upsamplers. |
161 void WebPInitUpsamplersSSE2(void); | 161 void WebPInitUpsamplersSSE2(void); |
162 | 162 |
| 163 #if defined(WEBP_USE_NEON) |
163 // NEON version | 164 // NEON version |
164 void WebPInitUpsamplersNEON(void); | 165 void WebPInitUpsamplersNEON(void); |
| 166 #endif |
165 | 167 |
166 #endif // FANCY_UPSAMPLING | 168 #endif // FANCY_UPSAMPLING |
167 | 169 |
168 // Point-sampling methods. | 170 // Point-sampling methods. |
169 typedef void (*WebPSampleLinePairFunc)( | 171 typedef void (*WebPSampleLinePairFunc)( |
170 const uint8_t* top_y, const uint8_t* bottom_y, | 172 const uint8_t* top_y, const uint8_t* bottom_y, |
171 const uint8_t* u, const uint8_t* v, | 173 const uint8_t* u, const uint8_t* v, |
172 uint8_t* top_dst, uint8_t* bottom_dst, int len); | 174 uint8_t* top_dst, uint8_t* bottom_dst, int len); |
173 | 175 |
174 extern const WebPSampleLinePairFunc WebPSamplers[/* MODE_LAST */]; | 176 extern const WebPSampleLinePairFunc WebPSamplers[/* MODE_LAST */]; |
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197 uint8_t* rgba, int alpha_first, int w, int h, int stride); | 199 uint8_t* rgba, int alpha_first, int w, int h, int stride); |
198 | 200 |
199 // Same, buf specifically for RGBA4444 format | 201 // Same, buf specifically for RGBA4444 format |
200 extern void (*WebPApplyAlphaMultiply4444)( | 202 extern void (*WebPApplyAlphaMultiply4444)( |
201 uint8_t* rgba4444, int w, int h, int stride); | 203 uint8_t* rgba4444, int w, int h, int stride); |
202 | 204 |
203 // To be called first before using the above. | 205 // To be called first before using the above. |
204 void WebPInitPremultiply(void); | 206 void WebPInitPremultiply(void); |
205 | 207 |
206 void WebPInitPremultiplySSE2(void); // should not be called directly. | 208 void WebPInitPremultiplySSE2(void); // should not be called directly. |
| 209 |
| 210 #if defined(WEBP_USE_NEON) |
207 void WebPInitPremultiplyNEON(void); | 211 void WebPInitPremultiplyNEON(void); |
| 212 #endif |
208 | 213 |
209 //------------------------------------------------------------------------------ | 214 //------------------------------------------------------------------------------ |
210 | 215 |
211 #if defined(__cplusplus) || defined(c_plusplus) | 216 #if defined(__cplusplus) || defined(c_plusplus) |
212 } // extern "C" | 217 } // extern "C" |
213 #endif | 218 #endif |
214 | 219 |
215 #endif /* WEBP_DSP_DSP_H_ */ | 220 #endif /* WEBP_DSP_DSP_H_ */ |
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