Cast: Flow hw encoder initialization error to extensions API

chrome/renderer/media/cast_session_delegate.cc

 // Copyright 2013 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 "chrome/renderer/media/cast_session_delegate.h"
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "chrome/common/chrome_version_info.h"
@@ skipping 37 matching lines @@
 
   if (!cast_transport_ || !cast_sender_) {
     error_callback.Run("Destination not set.");
     return;
   }
 
   audio_frame_input_available_callback_ = callback;
   cast_sender_->InitializeAudio(
       config,
       base::Bind(&CastSessionDelegate::InitializationResultCB,
-                 weak_factory_.GetWeakPtr()));
+                 weak_factory_.GetWeakPtr(), error_callback));
 }
 
 void CastSessionDelegate::StartVideo(
     const VideoSenderConfig& config,
     const VideoFrameInputAvailableCallback& callback,
     const ErrorCallback& error_callback,
     const media::cast::CreateVideoEncodeAcceleratorCallback& create_vea_cb,
     const media::cast::CreateVideoEncodeMemoryCallback&
         create_video_encode_mem_cb) {
   DCHECK(io_message_loop_proxy_->BelongsToCurrentThread());
 
   if (!cast_transport_ || !cast_sender_) {
     error_callback.Run("Destination not set.");
     return;
   }
 
   video_frame_input_available_callback_ = callback;
 
   cast_sender_->InitializeVideo(
       config,
       base::Bind(&CastSessionDelegate::InitializationResultCB,
-                 weak_factory_.GetWeakPtr()),
+                 weak_factory_.GetWeakPtr(), error_callback),
       create_vea_cb,
       create_video_encode_mem_cb);
 }
 
 void CastSessionDelegate::StartUDP(const net::IPEndPoint& remote_endpoint) {
   DCHECK(io_message_loop_proxy_->BelongsToCurrentThread());
 
   // CastSender uses the renderer's IO thread as the main thread. This reduces
   // thread hopping for incoming video frames and outgoing network packets.
   cast_environment_ = new CastEnvironment(
@@ skipping 105 matching lines @@
   callback.Run(stats.Pass());
 }
 
 void CastSessionDelegate::StatusNotificationCB(
     media::cast::CastTransportStatus unused_status) {
   DCHECK(io_message_loop_proxy_->BelongsToCurrentThread());
   // TODO(hubbe): Call javascript UDPTransport error function.
 }
 
 void CastSessionDelegate::InitializationResultCB(
+    const ErrorCallback& error_callback,
     media::cast::CastInitializationStatus result) const {
   DCHECK(cast_sender_);
 
-  // TODO(pwestin): handle the error codes.
-  if (result == media::cast::STATUS_AUDIO_INITIALIZED) {
-    audio_frame_input_available_callback_.Run(
-        cast_sender_->audio_frame_input());
-  } else if (result == media::cast::STATUS_VIDEO_INITIALIZED) {
-    video_frame_input_available_callback_.Run(
-        cast_sender_->video_frame_input());
+  switch (result) {
+    case media::cast::STATUS_AUDIO_INITIALIZED:
+      audio_frame_input_available_callback_.Run(
+          cast_sender_->audio_frame_input());
+      break;
+    case media::cast::STATUS_VIDEO_INITIALIZED:
+      video_frame_input_available_callback_.Run(
+          cast_sender_->video_frame_input());
+      break;
+    case media::cast::STATUS_INVALID_CAST_ENVIRONMENT:
+      error_callback.Run("Invalid cast environment.");
+      break;
+    case media::cast::STATUS_INVALID_CRYPTO_CONFIGURATION:
+      error_callback.Run("Invalid encryption keys.");
+      break;
+    case media::cast::STATUS_UNSUPPORTED_AUDIO_CODEC:
+      error_callback.Run("Audio codec not supported.");
+      break;
+    case media::cast::STATUS_UNSUPPORTED_VIDEO_CODEC:
+      error_callback.Run("Video codec not supported.");
+      break;
+    case media::cast::STATUS_INVALID_AUDIO_CONFIGURATION:
+      error_callback.Run("Invalid audio configuration.");
+      break;
+    case media::cast::STATUS_INVALID_VIDEO_CONFIGURATION:
+      error_callback.Run("Invalid video configuration.");
+      break;
+    case media::cast::STATUS_HW_VIDEO_ENCODER_NOT_SUPPORTED:
+      error_callback.Run("Hardware video encoder not supported.");
+      break;
+    case media::cast::STATUS_AUDIO_UNINITIALIZED:
+    case media::cast::STATUS_VIDEO_UNINITIALIZED:
+      NOTREACHED() << "Not an error.";
+      break;
   }
 }
 
 void CastSessionDelegate::LogRawEvents(
     const std::vector<media::cast::PacketEvent>& packet_events,
     const std::vector<media::cast::FrameEvent>& frame_events) {
   DCHECK(io_message_loop_proxy_->BelongsToCurrentThread());
 
   for (std::vector<media::cast::PacketEvent>::const_iterator it =
            packet_events.begin();
@@ skipping 23 matching lines @@
     } else {
       cast_environment_->Logging()->InsertFrameEvent(
           it->timestamp,
           it->type,
           it->media_type,
           it->rtp_timestamp,
           it->frame_id);
     }
   }
 }