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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.
// This file contains the interface to the cast RTP sender.
#ifndef MEDIA_CAST_RTP_SENDER_RTP_SENDER_H_
#define MEDIA_CAST_RTP_SENDER_RTP_SENDER_H_
#include <map>
#include <set>
#include "base/memory/scoped_ptr.h"
#include "base/time/tick_clock.h"
#include "base/time/time.h"
#include "media/cast/cast_config.h"
#include "media/cast/rtp_sender/packet_storage/packet_storage.h"
#include "media/cast/rtp_sender/rtp_packetizer/rtp_packetizer.h"
#include "media/cast/rtp_sender/rtp_packetizer/rtp_packetizer_config.h"
namespace media {
namespace cast {
class PacedPacketSender;
struct RtcpSenderInfo;
// This object is only called from the main cast thread.
// This class handles splitting encoded audio and video frames into packets and
// add an RTP header to each packet. The sent packets are stored until they are
// acknowledged by the remote peer or timed out.
class RtpSender {
public:
RtpSender(base::TickClock* clock,
const AudioSenderConfig* audio_config,
const VideoSenderConfig* video_config,
PacedPacketSender* transport);
~RtpSender();
// The video_frame objects ownership is handled by the main cast thread.
void IncomingEncodedVideoFrame(const EncodedVideoFrame* video_frame,
const base::TimeTicks& capture_time);
// The audio_frame objects ownership is handled by the main cast thread.
void IncomingEncodedAudioFrame(const EncodedAudioFrame* audio_frame,
const base::TimeTicks& recorded_time);
void ResendPackets(const MissingFramesAndPacketsMap& missing_packets);
void RtpStatistics(const base::TimeTicks& now, RtcpSenderInfo* sender_info);
private:
void UpdateSequenceNumber(std::vector<uint8>* packet);
base::TickClock* const clock_; // Not owned by this class.
RtpPacketizerConfig config_;
scoped_ptr<RtpPacketizer> packetizer_;
scoped_ptr<PacketStorage> storage_;
PacedPacketSender* transport_;
};
} // namespace cast
} // namespace media
#endif // MEDIA_CAST_RTP_SENDER_RTP_SENDER_H_
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