[poc] redecode

third_party/WebKit/Source/platform/graphics/ImageFrameGenerator.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 262 matching lines @@
     MutexLocker lock(m_alphaMutex);
     if (index >= m_hasAlpha.size()) {
         const size_t oldSize = m_hasAlpha.size();
         m_hasAlpha.resize(index + 1);
         for (size_t i = oldSize; i < m_hasAlpha.size(); ++i)
             m_hasAlpha[i] = true;
     }
     m_hasAlpha[index] = hasAlpha;
 }
 
+void ImageFrameGenerator::setDeviceProfile(ColorSpaceProfile* profile)
+{
+    fprintf(stderr, "ImageFrameGenerator set device profile %p\n", profile);
+    m_deviceProfile = profile;
+}
+
 bool ImageFrameGenerator::decode(size_t index, ImageDecoder** decoder, SkBitmap* bitmap)
 {
     TRACE_EVENT2("blink", "ImageFrameGenerator::decode", "width", m_fullSize.width(), "height", m_fullSize.height());
 
     ASSERT(decoder);
     SharedBuffer* data = 0;
     bool allDataReceived = false;
     bool newDecoder = false;
     m_data.data(&data, &allDataReceived);
 
     // Try to create an ImageDecoder if we are not given one.
     if (!*decoder) {
         newDecoder = true;
         if (m_imageDecoderFactory)
             *decoder = m_imageDecoderFactory->create().leakPtr();
 
-        if (!*decoder)
+        if (!*decoder) {
             *decoder = ImageDecoder::create(*data, ImageDecoder::AlphaPremultiplied, ImageDecoder::GammaAndColorProfileApplied).leakPtr();
+            fprintf(stderr, "ImageFrameGenerator %p created decoder\n", this);
+            (*decoder)->setDeviceProfile(m_deviceProfile.get());
+        }
 
         if (!*decoder)
             return false;
     }
 
     if (!m_isMultiFrame && newDecoder && allDataReceived) {
         // If we're using an external memory allocator that means we're decoding
         // directly into the output memory and we can save one memcpy.
         ASSERT(m_externalAllocator.get());
         (*decoder)->setMemoryAllocator(m_externalAllocator.get());
@@ skipping 62 matching lines @@
 
     // Setting a dummy ImagePlanes object signals to the decoder that we want to do YUV decoding.
     decoder->setData(data, allDataReceived);
     OwnPtr<ImagePlanes> dummyImagePlanes = adoptPtr(new ImagePlanes);
     decoder->setImagePlanes(dummyImagePlanes.release());
 
     return updateYUVComponentSizes(decoder.get(), componentSizes, ImageDecoder::SizeForMemoryAllocation);
 }
 
 } // namespace blink