Fire canplaythrough event at the proper time for audio/video

webkit/media/webmediaplayer_impl.cc

 // Copyright (c) 2011 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 "webkit/media/webmediaplayer_impl.h"
 
 #include <limits>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 24 matching lines @@
 #include "webkit/media/simple_data_source.h"
 #include "webkit/media/video_renderer_impl.h"
 #include "webkit/media/web_video_renderer.h"
 #include "webkit/media/webmediaplayer_delegate.h"
 #include "webkit/media/webmediaplayer_proxy.h"
 #include "webkit/media/webvideoframe_impl.h"
 
 using WebKit::WebCanvas;
 using WebKit::WebRect;
 using WebKit::WebSize;
+using media::NetworkEvent;
 using media::PipelineStatus;
 
 namespace {
 
 // Amount of extra memory used by each player instance reported to V8.
 // It is not exact number -- first, it differs on different platforms,
 // and second, it is very hard to calculate. Instead, use some arbitrary
 // value that will cause garbage collection from time to time. We don't want
 // it to happen on every allocation, but don't want 5k players to sit in memory
 // either. Looks that chosen constant achieves both goals, at least for audio
@@ skipping 315 matching lines @@
     pending_seek_ = true;
     pending_seek_seconds_ = seconds;
     return;
   }
 
   media_log_->AddEvent(media_log_->CreateSeekEvent(seconds));
 
   base::TimeDelta seek_time = ConvertSecondsToTimestamp(seconds);
 
   // Update our paused time.
-  if (paused_) {
+  if (paused_)
     paused_time_ = seek_time;
-  }
 
   seeking_ = true;
 
   proxy_->DemuxerFlush();
 
   // Kick off the asynchronous seek!
   pipeline_->Seek(
       seek_time,
       base::Bind(&WebMediaPlayerProxy::PipelineSeekCallback,
                  proxy_.get()));
@@ skipping 100 matching lines @@
   DCHECK_EQ(main_loop_, MessageLoop::current());
 
   base::TimeDelta duration = pipeline_->GetMediaDuration();
   if (duration.InMicroseconds() == media::Limits::kMaxTimeInMicroseconds)
     return std::numeric_limits<float>::infinity();
   return static_cast<float>(duration.InSecondsF());
 }
 
 float WebMediaPlayerImpl::currentTime() const {
   DCHECK_EQ(main_loop_, MessageLoop::current());
-  if (paused_) {
+  if (paused_)
     return static_cast<float>(paused_time_.InSecondsF());
-  }
   return static_cast<float>(pipeline_->GetCurrentTime().InSecondsF());
 }
 
 int WebMediaPlayerImpl::dataRate() const {
   DCHECK_EQ(main_loop_, MessageLoop::current());
 
   // TODO(hclam): Add this method call if pipeline has it in the interface.
   return 0;
 }
 
@@ skipping 225 matching lines @@
     new_buffered[0].start = 0.0f;
     new_buffered[0].end =
         static_cast<float>(pipeline_->GetMediaDuration().InSecondsF());
     buffered_.swap(new_buffered);
 
     if (hasVideo()) {
       UMA_HISTOGRAM_BOOLEAN("Media.AcceleratedCompositingActive",
                             is_accelerated_compositing_active_);
     }
 
-    if (pipeline_->IsLoaded()) {
+    if (pipeline_->IsLoaded())
       SetNetworkState(WebKit::WebMediaPlayer::Loaded);
-    }
 
-    // Since we have initialized the pipeline, say we have everything otherwise
-    // we'll remain either loading/idle.
-    // TODO(hclam): change this to report the correct status.
     SetReadyState(WebKit::WebMediaPlayer::HaveMetadata);
-    SetReadyState(WebKit::WebMediaPlayer::HaveEnoughData);
+    SetReadyState(WebKit::WebMediaPlayer::HaveFutureData);
   } else {
     // TODO(hclam): should use |status| to determine the state
     // properly and reports error using MediaError.
     // WebKit uses FormatError to indicate an error for bogus URL or bad file.
     // Since we are at the initialization stage we can safely treat every error
     // as format error. Should post a task to call to |webmediaplayer_|.
     SetNetworkState(WebKit::WebMediaPlayer::FormatError);
   }
 
   // Repaint to trigger UI update.
   Repaint();
 }
 
 void WebMediaPlayerImpl::OnPipelineSeek(PipelineStatus status) {
   DCHECK_EQ(main_loop_, MessageLoop::current());
   seeking_ = false;
   if (pending_seek_) {
     pending_seek_ = false;
     seek(pending_seek_seconds_);
     return;
   }
 
   if (status == media::PIPELINE_OK) {
     // Update our paused time.
-    if (paused_) {
+    if (paused_)
       paused_time_ = pipeline_->GetCurrentTime();
-    }
 
-    SetReadyState(WebKit::WebMediaPlayer::HaveEnoughData);
     GetClient()->timeChanged();
   }
 }
 
 void WebMediaPlayerImpl::OnPipelineEnded(PipelineStatus status) {
   DCHECK_EQ(main_loop_, MessageLoop::current());
-  if (status == media::PIPELINE_OK) {
+  if (status == media::PIPELINE_OK)
     GetClient()->timeChanged();
-  }
 }
 
 void WebMediaPlayerImpl::OnPipelineError(PipelineStatus error) {
   DCHECK_EQ(main_loop_, MessageLoop::current());
   switch (error) {
     case media::PIPELINE_OK:
       LOG(DFATAL) << "PIPELINE_OK isn't an error!";
       break;
 
     case media::PIPELINE_ERROR_NETWORK:
@@ skipping 23 matching lines @@
     case media::PIPELINE_ERROR_INVALID_STATE:
       // Decode error.
       SetNetworkState(WebMediaPlayer::DecodeError);
       break;
   }
 
   // Repaint to trigger UI update.
   Repaint();
 }
 
-void WebMediaPlayerImpl::OnNetworkEvent(bool is_downloading_data) {
+void WebMediaPlayerImpl::OnNetworkEvent(NetworkEvent type) {
   DCHECK_EQ(main_loop_, MessageLoop::current());
-  if (is_downloading_data)
-    SetNetworkState(WebKit::WebMediaPlayer::Loading);
-  else
-    SetNetworkState(WebKit::WebMediaPlayer::Idle);
+  switch(type) {
+    case media::DOWNLOAD_CONTINUED:
+      SetNetworkState(WebKit::WebMediaPlayer::Loading);
+      break;
+    case media::DOWNLOAD_PAUSED:
+      SetNetworkState(WebKit::WebMediaPlayer::Idle);
+      break;
+    case media::CAN_PLAY_THROUGH:
+      SetReadyState(WebKit::WebMediaPlayer::HaveEnoughData);
+      break;
+    default:
+      NOTREACHED();
+  }
 }
 
 void WebMediaPlayerImpl::OnDemuxerOpened() {
   DCHECK_EQ(main_loop_, MessageLoop::current());
 
   GetClient()->sourceOpened();
 }
 
 void WebMediaPlayerImpl::SetNetworkState(
     WebKit::WebMediaPlayer::NetworkState state) {
@@ skipping 51 matching lines @@
   return client_;
 }
 
 void WebMediaPlayerImpl::IncrementExternallyAllocatedMemory() {
   DCHECK_EQ(main_loop_, MessageLoop::current());
   incremented_externally_allocated_memory_ = true;
   v8::V8::AdjustAmountOfExternalAllocatedMemory(kPlayerExtraMemory);
 }
 
 }  // namespace webkit_media