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// 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.
#ifndef MEDIA_CAST_AUDIO_SENDER_H_
#define MEDIA_CAST_AUDIO_SENDER_H_
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/non_thread_safe.h"
#include "base/time/tick_clock.h"
#include "base/time/time.h"
#include "media/base/audio_bus.h"
#include "media/cast/cast_config.h"
#include "media/cast/rtcp/rtcp.h"
#include "media/cast/transport/rtp_sender/rtp_sender.h"
namespace media {
namespace cast {
class AudioEncoder;
class LocalRtcpAudioSenderFeedback;
class LocalRtpSenderStatistics;
// This class is not thread safe.
// It's only called from the main cast thread.
class AudioSender : public base::NonThreadSafe,
public base::SupportsWeakPtr<AudioSender> {
public:
AudioSender(scoped_refptr<CastEnvironment> cast_environment,
const AudioSenderConfig& audio_config,
transport::CastTransportSender* const transport_sender);
virtual ~AudioSender();
CastInitializationStatus InitializationResult() const {
return cast_initialization_cb_;
}
void InsertAudio(scoped_ptr<AudioBus> audio_bus,
const base::TimeTicks& recorded_time);
// Only called from the main cast thread.
void IncomingRtcpPacket(scoped_ptr<Packet> packet);
protected:
void SendEncodedAudioFrame(
scoped_ptr<transport::EncodedAudioFrame> audio_frame,
const base::TimeTicks& recorded_time);
private:
friend class LocalRtcpAudioSenderFeedback;
void SendEncodedAudioFrameToTransport(
scoped_ptr<transport::EncodedAudioFrame> audio_frame,
const base::TimeTicks& recorded_time);
void ResendPackets(
const MissingFramesAndPacketsMap& missing_frames_and_packets);
void ResendPacketsOnTransportThread(
const transport::MissingFramesAndPacketsMap& missing_packets);
void ScheduleNextRtcpReport();
void SendRtcpReport();
void InitializeTimers();
base::WeakPtrFactory<AudioSender> weak_factory_;
scoped_refptr<CastEnvironment> cast_environment_;
transport::CastTransportSender* const transport_sender_;
scoped_ptr<AudioEncoder> audio_encoder_;
scoped_ptr<LocalRtpSenderStatistics> rtp_audio_sender_statistics_;
scoped_ptr<LocalRtcpAudioSenderFeedback> rtcp_feedback_;
Rtcp rtcp_;
bool timers_initialized_;
CastInitializationStatus cast_initialization_cb_;
DISALLOW_COPY_AND_ASSIGN(AudioSender);
};
} // namespace cast
} // namespace media
#endif // MEDIA_CAST_AUDIO_SENDER_H_
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