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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Provides a minimal wrapping of the Blink image decoders. Used to perform | 5 // Provides a minimal wrapping of the Blink image decoders. Used to perform |
| 6 // a non-threaded, memory-to-memory image decode using micro second accuracy | 6 // a non-threaded, memory-to-memory image decode using micro second accuracy |
| 7 // clocks to measure image decode time. Optionally applies color correction | 7 // clocks to measure image decode time. Optionally applies color correction |
| 8 // during image decoding on supported platforms (default off). Usage: | 8 // during image decoding on supported platforms (default off). Usage: |
| 9 // | 9 // |
| 10 // % ninja -C out/Release image_decode_bench && | 10 // % ninja -C out/Release image_decode_bench && |
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| 251 exit(2); | 251 exit(2); |
| 252 } | 252 } |
| 253 | 253 |
| 254 fclose(fp); | 254 fclose(fp); |
| 255 return SharedBuffer::create(buffer.get(), fileSize); | 255 return SharedBuffer::create(buffer.get(), fileSize); |
| 256 } | 256 } |
| 257 | 257 |
| 258 bool decodeImageData(SharedBuffer* data, | 258 bool decodeImageData(SharedBuffer* data, |
| 259 bool colorCorrection, | 259 bool colorCorrection, |
| 260 size_t packetSize) { | 260 size_t packetSize) { |
| 261 std::unique_ptr<ImageDecoder> decoder = | 261 std::unique_ptr<ImageDecoder> decoder = ImageDecoder::create( |
| 262 ImageDecoder::create(data, true, ImageDecoder::AlphaPremultiplied, | 262 data, true, ImageDecoder::AlphaPremultiplied, |
| 263 colorCorrection ? ImageDecoder::ColorSpaceApplied | 263 colorCorrection ? ImageDecoder::ColorSpaceTransformed |
| 264 : ImageDecoder::ColorSpaceIgnored); | 264 : ImageDecoder::ColorSpaceIgnored, |
| 265 colorCorrection ? ImageDecoder::globalTargetColorSpace() : nullptr); |
| 265 if (!packetSize) { | 266 if (!packetSize) { |
| 266 bool allDataReceived = true; | 267 bool allDataReceived = true; |
| 267 decoder->setData(data, allDataReceived); | 268 decoder->setData(data, allDataReceived); |
| 268 | 269 |
| 269 int frameCount = decoder->frameCount(); | 270 int frameCount = decoder->frameCount(); |
| 270 for (int i = 0; i < frameCount; ++i) { | 271 for (int i = 0; i < frameCount; ++i) { |
| 271 if (!decoder->frameBufferAtIndex(i)) | 272 if (!decoder->frameBufferAtIndex(i)) |
| 272 return false; | 273 return false; |
| 273 } | 274 } |
| 274 | 275 |
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| 391 exit(3); | 392 exit(3); |
| 392 } | 393 } |
| 393 } | 394 } |
| 394 | 395 |
| 395 // Results to stdout. | 396 // Results to stdout. |
| 396 | 397 |
| 397 double averageTime = totalTime / static_cast<double>(iterations); | 398 double averageTime = totalTime / static_cast<double>(iterations); |
| 398 printf("%f %f\n", totalTime, averageTime); | 399 printf("%f %f\n", totalTime, averageTime); |
| 399 return 0; | 400 return 0; |
| 400 } | 401 } |
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