Video: Plumb media::VideoFrame color space to cc and GpuMemoryBuffer

ui/gfx/color_space.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_GFX_COLOR_SPACE_H_
 #define UI_GFX_COLOR_SPACE_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "ui/gfx/gfx_export.h"
 
 namespace IPC {
 template <class P>
 struct ParamTraits;
 }  // namespace IPC
 
 namespace gfx {
 
 class ICCProfile;
 
 enum class ColorTransferFunction { UNSUPPORTED, LAST = UNSUPPORTED };
 
 // Used to represet a color space for the purpose of color conversion.
 class GFX_EXPORT ColorSpace {
  public:
   ColorSpace();
+  static ColorSpace CreateSRGB();
+
+  // TODO: Remove these, and replace with more generic constructors.

[ccameron, 2016/07/21 22:07:03]

This sort-of helps me with some of my hacking/plumbing, so it's nice for me to
keep around for now, is that reasonable?

[hubbe, 2016/07/21 22:12:35]

Sure.

+  static ColorSpace CreateJpeg();
+  static ColorSpace CreateREC601();
+  static ColorSpace CreateREC709();
+
   bool operator==(const ColorSpace& other) const;
 
  private:
   bool valid_ = false;
   ColorTransferFunction transfer_function_ = ColorTransferFunction::UNSUPPORTED;
   // 3x4 affine transformation matrix in row-major order.
   float xyz_d50_matrix_[12];
   // This is used to look up the ICCProfile from which this ColorSpace was
   // created, if possible.
   uint64_t icc_profile_id_ = 0;
 
   friend class ICCProfile;
   friend struct IPC::ParamTraits<gfx::ColorSpace>;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_COLOR_SPACE_H_