diff options
Diffstat (limited to 'chromium/media/cast/rtp_sender/rtp_sender.h')
-rw-r--r-- | chromium/media/cast/rtp_sender/rtp_sender.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/chromium/media/cast/rtp_sender/rtp_sender.h b/chromium/media/cast/rtp_sender/rtp_sender.h new file mode 100644 index 00000000000..f6e59acba84 --- /dev/null +++ b/chromium/media/cast/rtp_sender/rtp_sender.h @@ -0,0 +1,74 @@ +// 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/default_tick_clock.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; + +typedef std::map<uint8, std::set<uint16> > MissingFramesAndPackets; + +// 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(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 MissingFramesAndPackets& missing_packets); + + void RtpStatistics(const base::TimeTicks& now, RtcpSenderInfo* sender_info); + + // Used for testing. + void set_clock(base::TickClock* clock) { + // TODO(pwestin): review how we pass in a clock for testing. + clock_ = clock; + } + + private: + void UpdateSequenceNumber(std::vector<uint8>* packet); + + RtpPacketizerConfig config_; + scoped_ptr<RtpPacketizer> packetizer_; + scoped_ptr<PacketStorage> storage_; + PacedPacketSender* transport_; + scoped_ptr<base::TickClock> default_tick_clock_; + base::TickClock* clock_; +}; + +} // namespace cast +} // namespace media + +#endif // MEDIA_CAST_RTP_SENDER_RTP_SENDER_H_ |