ArcBridge: Add VideoEncodeAccelerator implementation.

components/arc/video_accelerator/video_encode_accelerator_struct_traits.h

+// 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.
+
+#ifndef COMPONENTS_ARC_VIDEO_ACCELERATOR_VIDEO_ENCODE_ACCELERATOR_STRUCT_TRAITS_H_
+#define COMPONENTS_ARC_VIDEO_ACCELERATOR_VIDEO_ENCODE_ACCELERATOR_STRUCT_TRAITS_H_
+
+#include "components/arc/common/video_encode_accelerator.mojom.h"
+#include "media/video/video_encode_accelerator.h"
+
+namespace mojo {
+
+template <>
+struct EnumTraits<arc::mojom::VideoEncodeAccelerator::Error,
+                  media::VideoEncodeAccelerator::Error> {
+  static arc::mojom::VideoEncodeAccelerator::Error ToMojom(
+      media::VideoEncodeAccelerator::Error input);
+
+  static bool FromMojom(arc::mojom::VideoEncodeAccelerator::Error input,
+                        media::VideoEncodeAccelerator::Error* output);
+};
+
+template <>
+struct EnumTraits<arc::mojom::VideoPixelFormat, media::VideoPixelFormat> {
+  static arc::mojom::VideoPixelFormat ToMojom(media::VideoPixelFormat input);
+
+  static bool FromMojom(arc::mojom::VideoPixelFormat input,
+                        media::VideoPixelFormat* output);
+};
+
+template <>
+struct EnumTraits<arc::mojom::VideoCodecProfile, media::VideoCodecProfile> {
+  static arc::mojom::VideoCodecProfile ToMojom(media::VideoCodecProfile input);
+
+  static bool FromMojom(arc::mojom::VideoCodecProfile input,
+                        media::VideoCodecProfile* output);
+};
+
+template <>
+struct StructTraits<arc::mojom::VideoEncodeProfileDataView,
+                    media::VideoEncodeAccelerator::SupportedProfile> {
+  static media::VideoCodecProfile profile(
+      const media::VideoEncodeAccelerator::SupportedProfile& r) {
+    return r.profile;
+  }
+  static gfx::Size max_resolution(

[dcheng, 2017/06/21 09:42:29]

Nit: return non-trivial types by const ref

[dcheng, 2017/06/22 20:05:13]

I think this might have been missed in the latest patchset?

[Owen Lin, 2017/06/23 01:37:54]

Sorry, I missed that. Done.

+      const media::VideoEncodeAccelerator::SupportedProfile& r) {
+    return r.max_resolution;
+  }
+  static uint32_t max_framerate_numerator(
+      const media::VideoEncodeAccelerator::SupportedProfile& r) {
+    return r.max_framerate_numerator;
+  }
+  static uint32_t max_framerate_denominator(
+      const media::VideoEncodeAccelerator::SupportedProfile& r) {
+    return r.max_framerate_denominator;
+  }
+
+  static bool Read(arc::mojom::VideoEncodeProfileDataView data,
+                   media::VideoEncodeAccelerator::SupportedProfile* out) {
+    NOTIMPLEMENTED();
+    return false;
+  }
+};
+
+}  // namespace mojo
+
+#endif  // COMPONENTS_ARC_VIDEO_ACCELERATOR_VIDEO_ENCODE_ACCELERATOR_STRUCT_TRAITS_H_