Simplify/Cleanup MediaClient

chromecast/common/media/cast_media_client.cc

-// Copyright 2016 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 "chromecast/common/media/cast_media_client.h"
-
-#include "chromecast/media/base/media_caps.h"
-#include "chromecast/media/base/media_codec_support.h"
-#include "chromecast/media/base/supported_codec_profile_levels_memo.h"
-#include "chromecast/public/media/media_capabilities_shlib.h"
-
-// TODO(servolk): Is there a better way to override just IsSupportedVideoConfig
-// without duplicating content::RenderMediaClient implementation?
-// For now use this to allow access to the ::media::GetMediaClient.
-namespace media {
-MEDIA_EXPORT MediaClient* GetMediaClient();
-}
-
-namespace chromecast {
-namespace media {
-
-void CastMediaClient::Initialize(
-    SupportedCodecProfileLevelsMemo* supported_profiles) {
-  ::media::SetMediaClient(
-      new CastMediaClient(::media::GetMediaClient(), supported_profiles));
-}
-
-CastMediaClient::CastMediaClient(
-    ::media::MediaClient* content_media_client,
-    SupportedCodecProfileLevelsMemo* supported_profiles) {
-  // Ensure that CastMediaClient gets initialized after the
-  // content::RenderMediaClient.
-  DCHECK(content_media_client);
-  content_media_client_ = content_media_client;
-  supported_profiles_ = supported_profiles;
-}
-
-CastMediaClient::~CastMediaClient() {}
-
-void CastMediaClient::AddKeySystemsInfoForUMA(
-    std::vector<::media::KeySystemInfoForUMA>* key_systems_info_for_uma) {
-  content_media_client_->AddKeySystemsInfoForUMA(key_systems_info_for_uma);
-}
-
-bool CastMediaClient::IsKeySystemsUpdateNeeded() {
-  return content_media_client_->IsKeySystemsUpdateNeeded();
-}
-
-void CastMediaClient::AddSupportedKeySystems(
-    std::vector<std::unique_ptr<::media::KeySystemProperties>>*
-        key_systems_properties) {
-  content_media_client_->AddSupportedKeySystems(key_systems_properties);
-}
-
-void CastMediaClient::RecordRapporURL(const std::string& metric,
-                                      const GURL& url) {
-  content_media_client_->RecordRapporURL(metric, url);
-}
-
-// static
-bool CastMediaClient::IsSupportedVideoConfig(
-    const ::media::VideoConfig& config) {
-// TODO(servolk): make use of eotf.
-#if defined(OS_ANDROID)
-  return supported_profiles_->IsSupportedVideoConfig(
-      ToCastVideoCodec(config.codec, config.profile),
-      ToCastVideoProfile(config.profile), config.level);
-#else
-  return MediaCapabilitiesShlib::IsSupportedVideoConfig(
-      ToCastVideoCodec(config.codec, config.profile),
-      ToCastVideoProfile(config.profile), config.level);
-#endif
-}
-
-bool CastMediaClient::IsSupportedAudioConfig(
-    const ::media::AudioConfig& config) {
-#if defined(OS_ANDROID)
-  // TODO(sanfin): Implement this for Android.
-  return true;
-#else
-  AudioCodec codec = ToCastAudioCodec(config.codec);
-  // Cast platform implements software decoding of Opus and FLAC, so only PCM
-  // support is necessary in order to support Opus and FLAC.
-  if (codec == kCodecOpus || codec == kCodecFLAC)
-    codec = kCodecPCM;
-
-  // If HDMI sink supports AC3/EAC3 codecs then we don't need the vendor backend
-  // to support these codec directly.
-  if (codec == kCodecEAC3 && MediaCapabilities::HdmiSinkSupportsEAC3())
-    return true;
-  if (codec == kCodecAC3 && MediaCapabilities::HdmiSinkSupportsAC3())
-    return true;
-
-  AudioConfig cast_audio_config;
-  cast_audio_config.codec = codec;
-  return MediaCapabilitiesShlib::IsSupportedAudioConfig(cast_audio_config);
-#endif
-}
-
-}  // namespace media
-}  // namespace chromecast