Non DCTSIZE multiple width support for JPEG YUV decoding

Source/platform/graphics/DecodingImageGenerator.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
@@ skipping 68 matching lines @@
 
     PlatformInstrumentation::willDecodeLazyPixelRef(m_generationId);
     bool decoded = m_frameGenerator->decodeAndScale(m_imageInfo, m_frameIndex, pixels, rowBytes);
     PlatformInstrumentation::didDecodeLazyPixelRef();
     return decoded;
 }
 
 bool DecodingImageGenerator::onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBytes[3])
 {
     if (!planes || !planes[0]) {
         return m_frameGenerator->getYUVComponentSizes(sizes);

[sugoi1, 2014/09/05 20:14:57]

This line now returns sizes to allocate.

     }
 
     TRACE_EVENT0("blink", "DecodingImageGenerator::onGetYUV8Planes");
     PlatformInstrumentation::willDecodeLazyPixelRef(m_generationId);
-    bool decoded = m_frameGenerator->decodeToYUV(planes, rowBytes);
+    bool decoded = m_frameGenerator->decodeToYUV(sizes, planes, rowBytes);

[sugoi1, 2014/09/05 20:14:57]

... and this will update the size to the actual image size. The code I wrote in
Skia already supports this properly.

     PlatformInstrumentation::didDecodeLazyPixelRef();
     return decoded;
 }
 
 } // namespace blink