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// 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 "media/tools/player_wtl/movie.h"
#include "base/bind.h"
#include "base/memory/singleton.h"
#include "base/threading/platform_thread.h"
#include "base/utf_string_conversions.h"
#include "media/audio/audio_manager.h"
#include "media/audio/null_audio_sink.h"
#include "media/base/filter_collection.h"
#include "media/base/media_log.h"
#include "media/base/message_loop_factory.h"
#include "media/base/pipeline.h"
#include "media/filters/audio_renderer_impl.h"
#include "media/filters/ffmpeg_audio_decoder.h"
#include "media/filters/ffmpeg_demuxer.h"
#include "media/filters/ffmpeg_video_decoder.h"
#include "media/filters/file_data_source.h"
#include "media/filters/video_renderer_base.h"
namespace media {
static void OnBufferingState(media::Pipeline::BufferingState buffering_state) {}
Movie::Movie()
: audio_manager_(AudioManager::Create()),
enable_audio_(false),
enable_draw_(true),
enable_dump_yuv_file_(false),
enable_pause_(false),
max_threads_(0),
play_rate_(1.0f),
movie_dib_(NULL),
movie_hwnd_(0) {
}
Movie::~Movie() {
}
Movie* Movie::GetInstance() {
return Singleton<Movie>::get();
}
bool Movie::IsOpen() {
return pipeline_ != NULL;
}
void Movie::SetFrameBuffer(HBITMAP hbmp, HWND hwnd) {
movie_dib_ = hbmp;
movie_hwnd_ = hwnd;
}
bool Movie::Open(const wchar_t* url, VideoRendererBase* video_renderer) {
// Close previous movie.
if (pipeline_) {
Close();
}
message_loop_factory_.reset(new media::MessageLoopFactory());
scoped_refptr<base::MessageLoopProxy> pipeline_loop =
message_loop_factory_->GetMessageLoop(
media::MessageLoopFactory::kPipeline);
pipeline_ = new Pipeline(pipeline_loop, new media::MediaLog());
// Open the file.
std::string url_utf8 = WideToUTF8(string16(url));
scoped_refptr<FileDataSource> data_source = new FileDataSource();
if (!data_source->Initialize(url_utf8)) {
return false;
}
// Create filter collection.
scoped_ptr<FilterCollection> collection(new FilterCollection());
collection->SetDemuxer(new FFmpegDemuxer(pipeline_loop, data_source));
collection->AddAudioDecoder(new FFmpegAudioDecoder(
base::Bind(&MessageLoopFactory::GetMessageLoop,
base::Unretained(message_loop_factory_.get()),
media::MessageLoopFactory::kAudioDecoder)));
collection->GetVideoDecoders()->push_back(new FFmpegVideoDecoder(
base::Bind(&MessageLoopFactory::GetMessageLoop,
base::Unretained(message_loop_factory_.get()),
media::MessageLoopFactory::kVideoDecoder),
NULL));
// TODO(vrk): Re-enabled audio. (crbug.com/112159)
collection->AddAudioRenderer(
new media::AudioRendererImpl(new media::NullAudioSink()));
collection->AddVideoRenderer(video_renderer);
// Create and start our pipeline.
media::PipelineStatusNotification note;
pipeline_->Start(
collection.Pass(),
media::PipelineStatusCB(),
media::PipelineStatusCB(),
note.Callback(),
base::Bind(&OnBufferingState));
// Wait until the pipeline is fully initialized.
note.Wait();
if (note.status() != PIPELINE_OK)
return false;
pipeline_->SetPlaybackRate(play_rate_);
return true;
}
void Movie::Play(float rate) {
// Begin playback.
if (pipeline_)
pipeline_->SetPlaybackRate(enable_pause_ ? 0.0f : rate);
if (rate > 0.0f)
play_rate_ = rate;
}
// Get playback rate.
float Movie::GetPlayRate() {
return play_rate_;
}
// Get movie duration in seconds.
float Movie::GetDuration() {
float duration = 0.f;
if (pipeline_)
duration = (pipeline_->GetMediaDuration()).InMicroseconds() / 1000000.0f;
return duration;
}
// Get current movie position in seconds.
float Movie::GetPosition() {
float position = 0.f;
if (pipeline_)
position = (pipeline_->GetMediaTime()).InMicroseconds() / 1000000.0f;
return position;
}
// Set current movie position in seconds.
void Movie::SetPosition(float position) {
int64 us = static_cast<int64>(position * 1000000);
base::TimeDelta time = base::TimeDelta::FromMicroseconds(us);
if (pipeline_)
pipeline_->Seek(time, media::PipelineStatusCB());
}
// Set playback pause.
void Movie::SetPause(bool pause) {
enable_pause_ = pause;
Play(play_rate_);
}
// Get playback pause state.
bool Movie::GetPause() {
return enable_pause_;
}
void Movie::SetAudioEnable(bool enable_audio) {
}
bool Movie::GetAudioEnable() {
return enable_audio_;
}
void Movie::SetDrawEnable(bool enable_draw) {
enable_draw_ = enable_draw;
}
bool Movie::GetDrawEnable() {
return enable_draw_;
}
void Movie::SetDumpYuvFileEnable(bool enable_dump_yuv_file) {
enable_dump_yuv_file_ = enable_dump_yuv_file;
}
bool Movie::GetDumpYuvFileEnable() {
return enable_dump_yuv_file_;
}
// Teardown.
void Movie::Close() {
if (pipeline_) {
pipeline_->Stop(base::Closure());
pipeline_ = NULL;
}
message_loop_factory_.reset();
}
} // namespace media
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