Implement WebRTC in Chrome for TV

content/renderer/render_view_impl.cc

 // 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 208 matching lines @@
 #include "content/renderer/android/email_detector.h"
 #include "content/renderer/android/phone_number_detector.h"
 #include "content/renderer/media/stream_texture_factory_impl_android.h"
 #include "content/renderer/media/webmediaplayer_proxy_impl_android.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebFloatPoint.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebFloatRect.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebHitTestResult.h"
 #include "ui/gfx/rect_f.h"
 #include "webkit/media/android/webmediaplayer_android.h"
 #include "webkit/media/android/webmediaplayer_manager_android.h"
+
+#if defined(GOOGLE_TV)
+#include "content/renderer/media/rtc_video_decoder_bridge_tv.h"
+#endif
+
 #elif defined(OS_WIN)
 // TODO(port): these files are currently Windows only because they concern:
 //   * theming
 #include "ui/native_theme/native_theme_win.h"
 #elif defined(USE_X11)
 #include "ui/native_theme/native_theme.h"
 #elif defined(OS_MACOSX)
 #include "skia/ext/skia_utils_mac.h"
 #endif
 
@@ skipping 2442 matching lines @@
                                     routing_id_);
   }
 }
 
 WebMediaPlayer* RenderViewImpl::createMediaPlayer(
     WebFrame* frame, const WebKit::WebURL& url, WebMediaPlayerClient* client) {
   FOR_EACH_OBSERVER(
       RenderViewObserver, observers_, WillCreateMediaPlayer(frame, client));
 
   const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
-#if defined(ENABLE_WEBRTC)
+#if defined(ENABLE_WEBRTC) && !defined(GOOGLE_TV)

[Ami GONE FROM CHROMIUM, 2013/05/08 20:26:44]

The conditional compile & runtime behavior in this function is pretty gnarly...

[wonsik, 2013/05/13 14:03:48]

Well, I can't see a good way to improve this.

   if (MediaStreamImpl::CheckMediaStream(url)) {
 #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
     bool found_neon =
         (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0;
     UMA_HISTOGRAM_BOOLEAN("Platform.WebRtcNEONFound", found_neon);
 #endif  // defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
     EnsureMediaStreamImpl();
     return new webkit_media::WebMediaPlayerMS(
         frame, client, AsWeakPtr(), media_stream_impl_, new RenderMediaLog());
   }
@@ skipping 12 matching lines @@
       RenderThreadImpl::current()->OffscreenContextProviderForMainThread();
   if (!context_provider) {
     LOG(ERROR) << "Failed to get context3d for media player";
     return NULL;
   }
 
   if (!media_player_proxy_) {
     media_player_proxy_ = new WebMediaPlayerProxyImplAndroid(
         this, media_player_manager_.get());
   }
-  return new webkit_media::WebMediaPlayerAndroid(
-      frame,
-      client,
-      media_player_manager_.get(),
-      media_player_proxy_,
-      new StreamTextureFactoryImpl(
-          context_provider->Context3d(), gpu_channel_host, routing_id_),
-      new RenderMediaLog());
-#endif
+  MediaStreamImpl* media_stream_impl = NULL;
+  media::Demuxer* demuxer = NULL;
+#if defined(ENABLE_WEBRTC)
+  if (MediaStreamImpl::CheckMediaStream(url)) {
+    EnsureMediaStreamImpl();
+    demuxer = RTCVideoDecoderBridgeTv::Get()->CreateDemuxer(
+        RenderThreadImpl::current()->GetMediaStreamDependencyFactory(),
+        base::MessageLoopProxy::current());
+    if (demuxer) {
+      media_stream_impl = media_stream_impl_;
+    } else {
+      LOG(ERROR) << "Multiple MediaStream not supported yet.";
+      return NULL;
+    }
+  }
+#endif  // defined(ENABLE_WEBRTC)
+  webkit_media::WebMediaPlayerAndroid* web_media_player_android =
+      new webkit_media::WebMediaPlayerAndroid(
+          frame,
+          client,
+          media_player_manager_.get(),
+          media_player_proxy_,
+          new StreamTextureFactoryImpl(
+              context_provider->Context3d(), gpu_channel_host, routing_id_),
+          new RenderMediaLog(),
+          media_stream_impl,
+          demuxer);
+#if defined(GOOGLE_TV)

[Ami GONE FROM CHROMIUM, 2013/05/08 20:26:44]

shouldn't this be checking for WEBRTC?

[wonsik, 2013/05/13 14:03:48]

Done.

+  if (media_stream_impl) {
+    // RTCVideoDecoderBridgeTv::Get() outlives web_media_player_android since
+    // it's a singleton, thus base::Unretained is safe here.
+    web_media_player_android->SetDestroyDemuxerCB(
+        base::Bind(&RTCVideoDecoderBridgeTv::DestroyDemuxer,
+                   base::Unretained(RTCVideoDecoderBridgeTv::Get())));
+  }
+#endif  // defined(GOOGLE_TV)
+  return web_media_player_android;
+#endif  // defined(OS_ANDROID)
 
   scoped_refptr<media::AudioRendererSink> sink;
   if (!cmd_line->HasSwitch(switches::kDisableAudio)) {
     sink = RenderThreadImpl::current()->GetAudioRendererMixerManager()->
         CreateInput(routing_id_);
     DVLOG(1) << "Using AudioRendererMixerManager-provided sink: " << sink;
   }
 
   scoped_refptr<media::GpuVideoDecoder::Factories> gpu_factories;
   WebGraphicsContext3DCommandBufferImpl* context3d = NULL;
@@ skipping 3786 matching lines @@
     WebURL url = icon_urls[i].iconURL();
     if (!url.isEmpty())
       urls.push_back(FaviconURL(url,
                                 ToFaviconType(icon_urls[i].iconType())));
   }
   SendUpdateFaviconURL(urls);
 }
 
 
 }  // namespace content