Converting video color space enums to their corresponding gfx:color space eqvivalent.

media/base/video_color_space.cc

 // Copyright 2017 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.
 
 #include "media/base/video_color_space.h"
 
 namespace media {
 
 VideoColorSpace::PrimaryID VideoColorSpace::GetPrimaryID(int primary) {
   if (primary < 1 || primary > 22 || primary == 3)
@@ skipping 23 matching lines @@
                                  gfx::ColorSpace::RangeID range)
     : primaries(primaries), transfer(transfer), matrix(matrix), range(range) {}
 
 VideoColorSpace::VideoColorSpace(int primaries,
                                  int transfer,
                                  int matrix,
                                  gfx::ColorSpace::RangeID range)
     : primaries(GetPrimaryID(primaries)),
       transfer(GetTransferID(transfer)),
       matrix(GetMatrixID(matrix)),
-      range(range) {}
+      range(range) {
+  primaries_union.primaries = GetPrimaryID(primaries);
+  transfer_union.transfer = GetTransferID(transfer);
+  matrix_union.matrix = GetMatrixID(matrix);
+}
 
 bool VideoColorSpace::operator==(const VideoColorSpace& other) const {
   return primaries == other.primaries && transfer == other.transfer &&
          matrix == other.matrix && range == other.range;
 }
 
 bool VideoColorSpace::operator!=(const VideoColorSpace& other) const {
   return primaries != other.primaries || transfer != other.transfer ||
          matrix != other.matrix || range != other.range;
 }
 
 gfx::ColorSpace VideoColorSpace::ToGfxColorSpace() const {
-  // TODO(hubbe): Make this type-safe.
-  return gfx::ColorSpace::CreateVideo(static_cast<int>(primaries),
-                                      static_cast<int>(transfer),
-                                      static_cast<int>(matrix), range);
+  return gfx::ColorSpace::CreateVideo(primaries_union.primary_id,
+                                      transfer_union.transfer_id,
+                                      matrix_union.matrix_id, range);
 }
 
 VideoColorSpace VideoColorSpace::REC709() {
   return VideoColorSpace(PrimaryID::BT709, TransferID::BT709, MatrixID::BT709,
                          gfx::ColorSpace::RangeID::LIMITED);
 }
 VideoColorSpace VideoColorSpace::REC601() {
   return VideoColorSpace(PrimaryID::SMPTE170M, TransferID::SMPTE170M,
                          MatrixID::SMPTE170M,
                          gfx::ColorSpace::RangeID::LIMITED);
 }
 VideoColorSpace VideoColorSpace::JPEG() {
   // TODO(ccameron): Determine which primaries and transfer function were
   // intended here.
   return VideoColorSpace(PrimaryID::BT709, TransferID::IEC61966_2_1,
                          MatrixID::SMPTE170M, gfx::ColorSpace::RangeID::FULL);
 }
 
 }  // namespace