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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 // Everything about WebPDecBuffer | 10 // Everything about WebPDecBuffer |
| 11 // | 11 // |
| 12 // Author: Skal (pascal.massimino@gmail.com) | 12 // Author: Skal (pascal.massimino@gmail.com) |
| 13 | 13 |
| 14 #include <stdlib.h> | 14 #include <stdlib.h> |
| 15 | 15 |
| 16 #include "./vp8i.h" | 16 #include "./vp8i_dec.h" |
| 17 #include "./webpi.h" | 17 #include "./webpi_dec.h" |
| 18 #include "../utils/utils.h" | 18 #include "../utils/utils.h" |
| 19 | 19 |
| 20 //------------------------------------------------------------------------------ | 20 //------------------------------------------------------------------------------ |
| 21 // WebPDecBuffer | 21 // WebPDecBuffer |
| 22 | 22 |
| 23 // Number of bytes per pixel for the different color-spaces. | 23 // Number of bytes per pixel for the different color-spaces. |
| 24 static const int kModeBpp[MODE_LAST] = { | 24 static const int kModeBpp[MODE_LAST] = { |
| 25 3, 4, 3, 4, 4, 2, 2, | 25 3, 4, 3, 4, 4, 2, 2, |
| 26 4, 4, 4, 2, // pre-multiplied modes | 26 4, 4, 4, 2, // pre-multiplied modes |
| 27 1, 1 }; | 27 1, 1 }; |
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| 291 | 291 |
| 292 int WebPAvoidSlowMemory(const WebPDecBuffer* const output, | 292 int WebPAvoidSlowMemory(const WebPDecBuffer* const output, |
| 293 const WebPBitstreamFeatures* const features) { | 293 const WebPBitstreamFeatures* const features) { |
| 294 assert(output != NULL); | 294 assert(output != NULL); |
| 295 return (output->is_external_memory >= 2) && | 295 return (output->is_external_memory >= 2) && |
| 296 WebPIsPremultipliedMode(output->colorspace) && | 296 WebPIsPremultipliedMode(output->colorspace) && |
| 297 (features != NULL && features->has_alpha); | 297 (features != NULL && features->has_alpha); |
| 298 } | 298 } |
| 299 | 299 |
| 300 //------------------------------------------------------------------------------ | 300 //------------------------------------------------------------------------------ |
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