| // Copyright 2014 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/renderer/cast_content_renderer_client.h" |
| |
| #include <stdint.h> |
| |
| #include "base/command_line.h" |
| #include "base/macros.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "build/build_config.h" |
| #include "chromecast/base/chromecast_switches.h" |
| #include "chromecast/crash/cast_crash_keys.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" |
| #include "chromecast/renderer/cast_render_frame_action_deferrer.h" |
| #include "chromecast/renderer/media/key_systems_cast.h" |
| #include "chromecast/renderer/media/media_caps_observer_impl.h" |
| #include "components/network_hints/renderer/prescient_networking_dispatcher.h" |
| #include "content/public/common/content_switches.h" |
| #include "content/public/common/service_names.mojom.h" |
| #include "content/public/renderer/render_frame.h" |
| #include "content/public/renderer/render_thread.h" |
| #include "content/public/renderer/render_view.h" |
| #include "media/base/media.h" |
| #include "services/service_manager/public/cpp/connector.h" |
| #include "third_party/WebKit/public/platform/WebColor.h" |
| #include "third_party/WebKit/public/web/WebFrameWidget.h" |
| #include "third_party/WebKit/public/web/WebRuntimeFeatures.h" |
| #include "third_party/WebKit/public/web/WebSettings.h" |
| #include "third_party/WebKit/public/web/WebView.h" |
| |
| #if defined(OS_ANDROID) |
| #include "media/base/android/media_codec_util.h" |
| #endif // OS_ANDROID |
| |
| namespace chromecast { |
| namespace shell { |
| |
| namespace { |
| |
| // Default background color to set for WebViews. WebColor is in ARGB format |
| // though the comment of WebColor says it is in RGBA. |
| const blink::WebColor kColorBlack = 0xFF000000; |
| |
| } // namespace |
| |
| CastContentRendererClient::CastContentRendererClient() |
| : supported_profiles_(new media::SupportedCodecProfileLevelsMemo()), |
| allow_hidden_media_playback_( |
| base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kAllowHiddenMediaPlayback)) { |
| #if defined(OS_ANDROID) |
| DCHECK(::media::MediaCodecUtil::IsMediaCodecAvailable()) |
| << "MediaCodec is not available!"; |
| // Platform decoder support must be enabled before we set the |
| // IsCodecSupportedCB because the latter instantiates the lazy MimeUtil |
| // instance, which caches the platform decoder supported state when it is |
| // constructed. |
| ::media::EnablePlatformDecoderSupport(); |
| #endif // OS_ANDROID |
| } |
| |
| CastContentRendererClient::~CastContentRendererClient() { |
| } |
| |
| void CastContentRendererClient::RenderThreadStarted() { |
| base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); |
| |
| // Register as observer for media capabilities |
| content::RenderThread* thread = content::RenderThread::Get(); |
| media::mojom::MediaCapsPtr media_caps; |
| thread->GetConnector()->BindInterface(content::mojom::kBrowserServiceName, |
| &media_caps); |
| media::mojom::MediaCapsObserverPtr proxy; |
| media_caps_observer_.reset( |
| new media::MediaCapsObserverImpl(&proxy, supported_profiles_.get())); |
| media_caps->AddObserver(std::move(proxy)); |
| |
| prescient_networking_dispatcher_.reset( |
| new network_hints::PrescientNetworkingDispatcher()); |
| |
| std::string last_launched_app = |
| command_line->GetSwitchValueNative(switches::kLastLaunchedApp); |
| if (!last_launched_app.empty()) |
| base::debug::SetCrashKeyValue(crash_keys::kLastApp, last_launched_app); |
| |
| std::string previous_app = |
| command_line->GetSwitchValueNative(switches::kPreviousApp); |
| if (!previous_app.empty()) |
| base::debug::SetCrashKeyValue(crash_keys::kPreviousApp, previous_app); |
| } |
| |
| void CastContentRendererClient::RenderViewCreated( |
| content::RenderView* render_view) { |
| blink::WebView* webview = render_view->GetWebView(); |
| if (webview) { |
| blink::WebFrameWidget* web_frame_widget = render_view->GetWebFrameWidget(); |
| web_frame_widget->SetBaseBackgroundColor(kColorBlack); |
| |
| // Disable application cache as Chromecast doesn't support off-line |
| // application running. |
| webview->GetSettings()->SetOfflineWebApplicationCacheEnabled(false); |
| } |
| } |
| |
| void CastContentRendererClient::AddSupportedKeySystems( |
| std::vector<std::unique_ptr<::media::KeySystemProperties>>* |
| key_systems_properties) { |
| media::AddChromecastKeySystems(key_systems_properties, |
| false /* enable_persistent_license_support */, |
| false /* force_software_crypto */); |
| } |
| |
| bool CastContentRendererClient::IsSupportedAudioConfig( |
| const ::media::AudioConfig& config) { |
| #if defined(OS_ANDROID) |
| // TODO(sanfin): Implement this for Android. |
| return true; |
| #else |
| media::AudioCodec codec = media::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 == media::kCodecOpus || codec == media::kCodecFLAC) |
| codec = media::kCodecPCM; |
| |
| // If HDMI sink supports AC3/EAC3 codecs then we don't need the vendor backend |
| // to support these codec directly. |
| if (codec == media::kCodecEAC3 && |
| media::MediaCapabilities::HdmiSinkSupportsEAC3()) |
| return true; |
| if (codec == media::kCodecAC3 && |
| media::MediaCapabilities::HdmiSinkSupportsAC3()) |
| return true; |
| |
| media::AudioConfig cast_audio_config; |
| cast_audio_config.codec = codec; |
| return media::MediaCapabilitiesShlib::IsSupportedAudioConfig( |
| cast_audio_config); |
| #endif |
| } |
| |
| bool CastContentRendererClient::IsSupportedVideoConfig( |
| const ::media::VideoConfig& config) { |
| // TODO(servolk): make use of eotf. |
| #if defined(OS_ANDROID) |
| return supported_profiles_->IsSupportedVideoConfig( |
| media::ToCastVideoCodec(config.codec, config.profile), |
| media::ToCastVideoProfile(config.profile), config.level); |
| #else |
| return media::MediaCapabilitiesShlib::IsSupportedVideoConfig( |
| media::ToCastVideoCodec(config.codec, config.profile), |
| media::ToCastVideoProfile(config.profile), config.level); |
| #endif |
| } |
| |
| blink::WebPrescientNetworking* |
| CastContentRendererClient::GetPrescientNetworking() { |
| return prescient_networking_dispatcher_.get(); |
| } |
| |
| void CastContentRendererClient::DeferMediaLoad( |
| content::RenderFrame* render_frame, |
| bool render_frame_has_played_media_before, |
| const base::Closure& closure) { |
| if (allow_hidden_media_playback_) { |
| closure.Run(); |
| return; |
| } |
| |
| RunWhenInForeground(render_frame, closure); |
| } |
| |
| void CastContentRendererClient::RunWhenInForeground( |
| content::RenderFrame* render_frame, |
| const base::Closure& closure) { |
| if (!render_frame->IsHidden()) { |
| closure.Run(); |
| return; |
| } |
| |
| // Lifetime is tied to |render_frame| via content::RenderFrameObserver. |
| new CastRenderFrameActionDeferrer(render_frame, closure); |
| } |
| |
| bool CastContentRendererClient::AllowMediaSuspend() { |
| return false; |
| } |
| |
| void CastContentRendererClient:: |
| SetRuntimeFeaturesDefaultsBeforeBlinkInitialization() { |
| // Settings for ATV (Android defaults are not what we want). |
| blink::WebRuntimeFeatures::EnableMediaControlsOverlayPlayButton(false); |
| } |
| |
| } // namespace shell |
| } // namespace chromecast |