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// Copyright 2014 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.
#ifndef CHROMECAST_BROWSER_MEDIA_MEDIA_PIPELINE_HOST_H_
#define CHROMECAST_BROWSER_MEDIA_MEDIA_PIPELINE_HOST_H_
#include <map>
#include <vector>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/thread_checker.h"
#include "base/time/time.h"
#include "chromecast/common/media/cma_ipc_common.h"
#include "chromecast/media/cma/pipeline/load_type.h"
#include "media/base/pipeline_status.h"
namespace base {
class SharedMemory;
}
namespace media {
class AudioDecoderConfig;
class VideoDecoderConfig;
}
namespace chromecast {
class TaskRunnerImpl;
namespace media {
struct AvPipelineClient;
class BrowserCdmCast;
struct MediaPipelineClient;
struct VideoPipelineClient;
class CodedFrameProvider;
class MediaPipelineBackend;
struct MediaPipelineDeviceParams;
class MediaPipelineImpl;
class MediaPipelineHost {
public:
// Factory method to create a MediaPipelineBackend
typedef base::Callback<scoped_ptr<MediaPipelineBackend>(
const MediaPipelineDeviceParams&)> CreateBackendCB;
MediaPipelineHost();
~MediaPipelineHost();
void Initialize(LoadType load_type,
const MediaPipelineClient& client,
const CreateBackendCB& create_backend_cb);
void SetAvPipe(TrackId track_id,
scoped_ptr<base::SharedMemory> shared_mem,
const base::Closure& pipe_read_activity_cb,
const base::Closure& av_pipe_set_cb);
void AudioInitialize(TrackId track_id,
const AvPipelineClient& client,
const ::media::AudioDecoderConfig& config,
const ::media::PipelineStatusCB& status_cb);
void VideoInitialize(TrackId track_id,
const VideoPipelineClient& client,
const std::vector< ::media::VideoDecoderConfig>& configs,
const ::media::PipelineStatusCB& status_cb);
void StartPlayingFrom(base::TimeDelta time);
void Flush(const ::media::PipelineStatusCB& status_cb);
void Stop();
void SetPlaybackRate(double playback_rate);
void SetVolume(TrackId track_id, float playback_rate);
void SetCdm(BrowserCdmCast* cdm);
void NotifyPipeWrite(TrackId track_id);
private:
base::ThreadChecker thread_checker_;
scoped_ptr<TaskRunnerImpl> task_runner_;
scoped_ptr<MediaPipelineImpl> media_pipeline_;
scoped_ptr<CodedFrameProvider> audio_frame_provider_;
scoped_ptr<CodedFrameProvider> video_frame_provider_;
// The shared memory for a track id must be valid until Stop is invoked on
// that track id.
struct MediaTrackHost;
typedef std::map<TrackId, MediaTrackHost*> MediaTrackMap;
MediaTrackMap media_track_map_;
DISALLOW_COPY_AND_ASSIGN(MediaPipelineHost);
};
} // namespace media
} // namespace chromecast
#endif // CHROMECAST_BROWSER_MEDIA_MEDIA_PIPELINE_HOST_H_