| OLD | NEW |
| (Empty) |
| 1 /* | |
| 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #ifndef WEBRTC_VIDEO_VIE_REMB_H_ | |
| 12 #define WEBRTC_VIDEO_VIE_REMB_H_ | |
| 13 | |
| 14 #include <list> | |
| 15 #include <utility> | |
| 16 #include <vector> | |
| 17 | |
| 18 #include "webrtc/base/criticalsection.h" | |
| 19 #include "webrtc/modules/include/module.h" | |
| 20 #include "webrtc/modules/remote_bitrate_estimator/include/remote_bitrate_estimat
or.h" | |
| 21 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h" | |
| 22 | |
| 23 namespace webrtc { | |
| 24 | |
| 25 class ProcessThread; | |
| 26 class RtpRtcp; | |
| 27 | |
| 28 class VieRemb : public RemoteBitrateObserver { | |
| 29 public: | |
| 30 explicit VieRemb(Clock* clock); | |
| 31 ~VieRemb(); | |
| 32 | |
| 33 // Called to add a receive channel to include in the REMB packet. | |
| 34 void AddReceiveChannel(RtpRtcp* rtp_rtcp); | |
| 35 | |
| 36 // Removes the specified channel from REMB estimate. | |
| 37 void RemoveReceiveChannel(RtpRtcp* rtp_rtcp); | |
| 38 | |
| 39 // Called to add a module that can generate and send REMB RTCP. | |
| 40 void AddRembSender(RtpRtcp* rtp_rtcp); | |
| 41 | |
| 42 // Removes a REMB RTCP sender. | |
| 43 void RemoveRembSender(RtpRtcp* rtp_rtcp); | |
| 44 | |
| 45 // Returns true if the instance is in use, false otherwise. | |
| 46 bool InUse() const; | |
| 47 | |
| 48 // Called every time there is a new bitrate estimate for a receive channel | |
| 49 // group. This call will trigger a new RTCP REMB packet if the bitrate | |
| 50 // estimate has decreased or if no RTCP REMB packet has been sent for | |
| 51 // a certain time interval. | |
| 52 // Implements RtpReceiveBitrateUpdate. | |
| 53 virtual void OnReceiveBitrateChanged(const std::vector<uint32_t>& ssrcs, | |
| 54 uint32_t bitrate); | |
| 55 | |
| 56 private: | |
| 57 typedef std::list<RtpRtcp*> RtpModules; | |
| 58 | |
| 59 Clock* const clock_; | |
| 60 rtc::CriticalSection list_crit_; | |
| 61 | |
| 62 // The last time a REMB was sent. | |
| 63 int64_t last_remb_time_; | |
| 64 uint32_t last_send_bitrate_; | |
| 65 | |
| 66 // All RtpRtcp modules to include in the REMB packet. | |
| 67 RtpModules receive_modules_; | |
| 68 | |
| 69 // All modules that can send REMB RTCP. | |
| 70 RtpModules rtcp_sender_; | |
| 71 | |
| 72 // The last bitrate update. | |
| 73 uint32_t bitrate_; | |
| 74 }; | |
| 75 | |
| 76 } // namespace webrtc | |
| 77 | |
| 78 #endif // WEBRTC_VIDEO_VIE_REMB_H_ | |
| OLD | NEW |