Index: media/cast/rtcp/rtcp.h |
diff --git a/media/cast/rtcp/rtcp.h b/media/cast/rtcp/rtcp.h |
deleted file mode 100644 |
index e7cdb6c22326502a1a31fbddebb970321d643000..0000000000000000000000000000000000000000 |
--- a/media/cast/rtcp/rtcp.h |
+++ /dev/null |
@@ -1,206 +0,0 @@ |
-// 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_RTCP_RTCP_H_ |
-#define MEDIA_CAST_RTCP_RTCP_H_ |
- |
-#include <map> |
-#include <queue> |
-#include <string> |
- |
-#include "base/basictypes.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "base/time/tick_clock.h" |
-#include "base/time/time.h" |
-#include "media/cast/base/clock_drift_smoother.h" |
-#include "media/cast/cast_config.h" |
-#include "media/cast/cast_defines.h" |
-#include "media/cast/cast_environment.h" |
-#include "media/cast/rtcp/receiver_rtcp_event_subscriber.h" |
-#include "media/cast/rtcp/rtcp_defines.h" |
-#include "media/cast/transport/cast_transport_defines.h" |
-#include "media/cast/transport/cast_transport_sender.h" |
-#include "media/cast/transport/pacing/paced_sender.h" |
- |
-namespace media { |
-namespace cast { |
- |
-class LocalRtcpReceiverFeedback; |
-class LocalRtcpRttFeedback; |
-class PacedPacketSender; |
-class RtcpReceiver; |
-class RtcpSender; |
- |
-typedef std::pair<uint32, base::TimeTicks> RtcpSendTimePair; |
-typedef std::map<uint32, base::TimeTicks> RtcpSendTimeMap; |
-typedef std::queue<RtcpSendTimePair> RtcpSendTimeQueue; |
- |
-class RtcpSenderFeedback { |
- public: |
- virtual void OnReceivedCastFeedback(const RtcpCastMessage& cast_feedback) = 0; |
- |
- virtual ~RtcpSenderFeedback() {} |
-}; |
- |
-class RtpReceiverStatistics { |
- public: |
- virtual void GetStatistics(uint8* fraction_lost, |
- uint32* cumulative_lost, // 24 bits valid. |
- uint32* extended_high_sequence_number, |
- uint32* jitter) = 0; |
- |
- virtual ~RtpReceiverStatistics() {} |
-}; |
- |
-class Rtcp { |
- public: |
- // Rtcp accepts two transports, one to be used by Cast senders |
- // (CastTransportSender) only, and the other (PacedPacketSender) should only |
- // be used by the Cast receivers and test applications. |
- Rtcp(scoped_refptr<CastEnvironment> cast_environment, |
- RtcpSenderFeedback* sender_feedback, |
- transport::CastTransportSender* const transport_sender, // Send-side. |
- transport::PacedPacketSender* paced_packet_sender, // Receive side. |
- RtpReceiverStatistics* rtp_receiver_statistics, |
- RtcpMode rtcp_mode, |
- const base::TimeDelta& rtcp_interval, |
- uint32 local_ssrc, |
- uint32 remote_ssrc, |
- const std::string& c_name, |
- EventMediaType event_media_type); |
- |
- virtual ~Rtcp(); |
- |
- static bool IsRtcpPacket(const uint8* rtcp_buffer, size_t length); |
- |
- static uint32 GetSsrcOfSender(const uint8* rtcp_buffer, size_t length); |
- |
- base::TimeTicks TimeToSendNextRtcpReport(); |
- |
- // Send a RTCP sender report. |
- // |current_time| is the current time reported by a tick clock. |
- // |current_time_as_rtp_timestamp| is the corresponding RTP timestamp. |
- void SendRtcpFromRtpSender(base::TimeTicks current_time, |
- uint32 current_time_as_rtp_timestamp); |
- |
- // |cast_message| and |rtcp_events| is optional; if |cast_message| is |
- // provided the RTCP receiver report will append a Cast message containing |
- // Acks and Nacks; if |rtcp_events| is provided the RTCP receiver report |
- // will append the log messages. |
- void SendRtcpFromRtpReceiver( |
- const RtcpCastMessage* cast_message, |
- const ReceiverRtcpEventSubscriber::RtcpEventMultiMap* rtcp_events); |
- |
- void IncomingRtcpPacket(const uint8* rtcp_buffer, size_t length); |
- |
- // TODO(miu): Clean up this method and downstream code: Only VideoSender uses |
- // this (for congestion control), and only the |rtt| and |avg_rtt| values, and |
- // it's not clear that any of the downstream code is doing the right thing |
- // with this data. |
- bool Rtt(base::TimeDelta* rtt, |
- base::TimeDelta* avg_rtt, |
- base::TimeDelta* min_rtt, |
- base::TimeDelta* max_rtt) const; |
- |
- bool is_rtt_available() const { return number_of_rtt_in_avg_ > 0; } |
- |
- // If available, returns true and sets the output arguments to the latest |
- // lip-sync timestamps gleaned from the sender reports. While the sender |
- // provides reference NTP times relative to its own wall clock, the |
- // |reference_time| returned here has been translated to the local |
- // CastEnvironment clock. |
- bool GetLatestLipSyncTimes(uint32* rtp_timestamp, |
- base::TimeTicks* reference_time) const; |
- |
- // Set the history size to record Cast receiver events. The event history is |
- // used to remove duplicates. The history will store at most |size| events. |
- void SetCastReceiverEventHistorySize(size_t size); |
- |
- // Update the target delay. Will be added to every report sent back to the |
- // sender. |
- // TODO(miu): Remove this deprecated functionality. The sender ignores this. |
- void SetTargetDelay(base::TimeDelta target_delay); |
- |
- void OnReceivedReceiverLog(const RtcpReceiverLogMessage& receiver_log); |
- |
- protected: |
- void OnReceivedNtp(uint32 ntp_seconds, uint32 ntp_fraction); |
- void OnReceivedLipSyncInfo(uint32 rtp_timestamp, |
- uint32 ntp_seconds, |
- uint32 ntp_fraction); |
- |
- private: |
- friend class LocalRtcpRttFeedback; |
- friend class LocalRtcpReceiverFeedback; |
- |
- void OnReceivedDelaySinceLastReport(uint32 receivers_ssrc, |
- uint32 last_report, |
- uint32 delay_since_last_report); |
- |
- void OnReceivedSendReportRequest(); |
- |
- void UpdateRtt(const base::TimeDelta& sender_delay, |
- const base::TimeDelta& receiver_delay); |
- |
- void UpdateNextTimeToSendRtcp(); |
- |
- void SaveLastSentNtpTime(const base::TimeTicks& now, |
- uint32 last_ntp_seconds, |
- uint32 last_ntp_fraction); |
- |
- scoped_refptr<CastEnvironment> cast_environment_; |
- transport::CastTransportSender* const transport_sender_; |
- const base::TimeDelta rtcp_interval_; |
- const RtcpMode rtcp_mode_; |
- const uint32 local_ssrc_; |
- const uint32 remote_ssrc_; |
- const std::string c_name_; |
- const EventMediaType event_media_type_; |
- |
- // Not owned by this class. |
- RtpReceiverStatistics* const rtp_receiver_statistics_; |
- |
- scoped_ptr<LocalRtcpRttFeedback> rtt_feedback_; |
- scoped_ptr<LocalRtcpReceiverFeedback> receiver_feedback_; |
- scoped_ptr<RtcpSender> rtcp_sender_; |
- scoped_ptr<RtcpReceiver> rtcp_receiver_; |
- |
- base::TimeTicks next_time_to_send_rtcp_; |
- RtcpSendTimeMap last_reports_sent_map_; |
- RtcpSendTimeQueue last_reports_sent_queue_; |
- |
- // The truncated (i.e., 64-->32-bit) NTP timestamp provided in the last report |
- // from the remote peer, along with the local time at which the report was |
- // received. These values are used for ping-pong'ing NTP timestamps between |
- // the peers so that they can estimate the network's round-trip time. |
- uint32 last_report_truncated_ntp_; |
- base::TimeTicks time_last_report_received_; |
- |
- // Maintains a smoothed offset between the local clock and the remote clock. |
- // Calling this member's Current() method is only valid if |
- // |time_last_report_received_| is not "null." |
- ClockDriftSmoother local_clock_ahead_by_; |
- |
- // Latest "lip sync" info from the sender. The sender provides the RTP |
- // timestamp of some frame of its choosing and also a corresponding reference |
- // NTP timestamp sampled from a clock common to all media streams. It is |
- // expected that the sender will update this data regularly and in a timely |
- // manner (e.g., about once per second). |
- uint32 lip_sync_rtp_timestamp_; |
- uint64 lip_sync_ntp_timestamp_; |
- |
- base::TimeDelta rtt_; |
- base::TimeDelta min_rtt_; |
- base::TimeDelta max_rtt_; |
- int number_of_rtt_in_avg_; |
- base::TimeDelta avg_rtt_; |
- base::TimeDelta target_delay_; |
- |
- DISALLOW_COPY_AND_ASSIGN(Rtcp); |
-}; |
- |
-} // namespace cast |
-} // namespace media |
- |
-#endif // MEDIA_CAST_RTCP_RTCP_H_ |