diff options
author | Kristian Monsen <kristianm@google.com> | 2011-05-31 20:30:28 +0100 |
---|---|---|
committer | Kristian Monsen <kristianm@google.com> | 2011-06-14 20:31:41 -0700 |
commit | 72a454cd3513ac24fbdd0e0cb9ad70b86a99b801 (patch) | |
tree | 382278a54ce7a744d62fa510a9a80688cc12434b /webkit/glue/webmediaplayer_impl.cc | |
parent | c4becdd46e31d261b930e4b5a539cbc1d45c23a6 (diff) | |
download | external_chromium-72a454cd3513ac24fbdd0e0cb9ad70b86a99b801.zip external_chromium-72a454cd3513ac24fbdd0e0cb9ad70b86a99b801.tar.gz external_chromium-72a454cd3513ac24fbdd0e0cb9ad70b86a99b801.tar.bz2 |
Merge Chromium.org at r11.0.672.0: Initial merge by git.
Change-Id: I8b4aaf611a2a405fe3fe10e8a94ea7658645c192
Diffstat (limited to 'webkit/glue/webmediaplayer_impl.cc')
-rw-r--r-- | webkit/glue/webmediaplayer_impl.cc | 62 |
1 files changed, 42 insertions, 20 deletions
diff --git a/webkit/glue/webmediaplayer_impl.cc b/webkit/glue/webmediaplayer_impl.cc index 005c7cf..9d51910 100644 --- a/webkit/glue/webmediaplayer_impl.cc +++ b/webkit/glue/webmediaplayer_impl.cc @@ -1,4 +1,4 @@ -// Copyright (c) 2010 The Chromium Authors. All rights reserved. +// 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. @@ -19,10 +19,10 @@ #include "media/filters/ffmpeg_video_decoder.h" #include "media/filters/null_audio_renderer.h" #include "skia/ext/platform_canvas.h" -#include "third_party/WebKit/WebKit/chromium/public/WebRect.h" -#include "third_party/WebKit/WebKit/chromium/public/WebSize.h" -#include "third_party/WebKit/WebKit/chromium/public/WebURL.h" -#include "third_party/WebKit/WebKit/chromium/public/WebVideoFrame.h" +#include "third_party/WebKit/Source/WebKit/chromium/public/WebRect.h" +#include "third_party/WebKit/Source/WebKit/chromium/public/WebSize.h" +#include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h" +#include "third_party/WebKit/Source/WebKit/chromium/public/WebVideoFrame.h" #include "webkit/glue/media/buffered_data_source.h" #include "webkit/glue/media/simple_data_source.h" #include "webkit/glue/media/video_renderer_impl.h" @@ -59,6 +59,25 @@ const int kMaxOutstandingRepaints = 50; const float kMinRate = 0.0625f; const float kMaxRate = 16.0f; +// Platform independent method for converting and rounding floating point +// seconds to an int64 timestamp. +// +// Refer to https://bugs.webkit.org/show_bug.cgi?id=52697 for details. +base::TimeDelta ConvertSecondsToTimestamp(float seconds) { + float microseconds = seconds * base::Time::kMicrosecondsPerSecond; + float integer = ceilf(microseconds); + float difference = integer - microseconds; + + // Round down if difference is large enough. + if ((microseconds > 0 && difference > 0.5f) || + (microseconds <= 0 && difference >= 0.5f)) { + integer -= 1.0f; + } + + // Now we can safely cast to int64 microseconds. + return base::TimeDelta::FromMicroseconds(static_cast<int64>(integer)); +} + } // namespace namespace webkit_glue { @@ -80,7 +99,7 @@ WebMediaPlayerImpl::Proxy::~Proxy() { } void WebMediaPlayerImpl::Proxy::Repaint() { - AutoLock auto_lock(lock_); + base::AutoLock auto_lock(lock_); if (outstanding_repaints_ < kMaxOutstandingRepaints) { ++outstanding_repaints_; @@ -164,7 +183,7 @@ void WebMediaPlayerImpl::Proxy::NetworkEventCallback() { void WebMediaPlayerImpl::Proxy::RepaintTask() { DCHECK(MessageLoop::current() == render_loop_); { - AutoLock auto_lock(lock_); + base::AutoLock auto_lock(lock_); --outstanding_repaints_; DCHECK_GE(outstanding_repaints_, 0); } @@ -225,13 +244,14 @@ void WebMediaPlayerImpl::Proxy::PutCurrentFrame( WebMediaPlayerImpl::WebMediaPlayerImpl( WebKit::WebMediaPlayerClient* client, - media::FilterCollection* collection) + media::FilterCollection* collection, + media::MessageLoopFactory* message_loop_factory) : network_state_(WebKit::WebMediaPlayer::Empty), ready_state_(WebKit::WebMediaPlayer::HaveNothing), main_loop_(NULL), filter_collection_(collection), pipeline_(NULL), - pipeline_thread_("PipelineThread"), + message_loop_factory_(message_loop_factory), paused_(true), seeking_(false), playback_rate_(0.0f), @@ -247,13 +267,14 @@ bool WebMediaPlayerImpl::Initialize( WebKit::WebFrame* frame, bool use_simple_data_source, scoped_refptr<WebVideoRenderer> web_video_renderer) { - // Create the pipeline and its thread. - if (!pipeline_thread_.Start()) { + MessageLoop* pipeline_message_loop = + message_loop_factory_->GetMessageLoop("PipelineThread"); + if (!pipeline_message_loop) { NOTREACHED() << "Could not start PipelineThread"; return false; } - pipeline_ = new media::PipelineImpl(pipeline_thread_.message_loop()); + pipeline_ = new media::PipelineImpl(pipeline_message_loop); // Also we want to be notified of |main_loop_| destruction. main_loop_->AddDestructionObserver(this); @@ -290,9 +311,12 @@ bool WebMediaPlayerImpl::Initialize( } // Add in the default filter factories. - filter_collection_->AddDemuxer(new media::FFmpegDemuxer()); - filter_collection_->AddAudioDecoder(new media::FFmpegAudioDecoder()); - filter_collection_->AddVideoDecoder(new media::FFmpegVideoDecoder(NULL)); + filter_collection_->AddDemuxer(new media::FFmpegDemuxer( + message_loop_factory_->GetMessageLoop("DemuxThread"))); + filter_collection_->AddAudioDecoder(new media::FFmpegAudioDecoder( + message_loop_factory_->GetMessageLoop("AudioDecoderThread"))); + filter_collection_->AddVideoDecoder(new media::FFmpegVideoDecoder( + message_loop_factory_->GetMessageLoop("VideoDecoderThread"), NULL)); filter_collection_->AddAudioRenderer(new media::NullAudioRenderer()); return true; @@ -369,10 +393,7 @@ void WebMediaPlayerImpl::seek(float seconds) { return; } - // Try to preserve as much accuracy as possible. - float microseconds = seconds * base::Time::kMicrosecondsPerSecond; - base::TimeDelta seek_time = - base::TimeDelta::FromMicroseconds(static_cast<int64>(microseconds)); + base::TimeDelta seek_time = ConvertSecondsToTimestamp(seconds); // Update our paused time. if (paused_) { @@ -794,9 +815,10 @@ void WebMediaPlayerImpl::Destroy() { pipeline_->Stop(NewCallback(this, &WebMediaPlayerImpl::PipelineStoppedCallback)); pipeline_stopped_.Wait(); - pipeline_thread_.Stop(); } + message_loop_factory_.reset(); + // And then detach the proxy, it may live on the render thread for a little // longer until all the tasks are finished. if (proxy_) { |