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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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21 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h" | 21 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h" |
22 | 22 |
23 namespace webrtc { | 23 namespace webrtc { |
24 | 24 |
25 class CriticalSectionWrapper; | 25 class CriticalSectionWrapper; |
26 class ProcessThread; | 26 class ProcessThread; |
27 class RtpRtcp; | 27 class RtpRtcp; |
28 | 28 |
29 class VieRemb : public RemoteBitrateObserver { | 29 class VieRemb : public RemoteBitrateObserver { |
30 public: | 30 public: |
31 VieRemb(); | 31 explicit VieRemb(Clock* clock); |
32 ~VieRemb(); | 32 ~VieRemb(); |
33 | 33 |
34 // Called to add a receive channel to include in the REMB packet. | 34 // Called to add a receive channel to include in the REMB packet. |
35 void AddReceiveChannel(RtpRtcp* rtp_rtcp); | 35 void AddReceiveChannel(RtpRtcp* rtp_rtcp); |
36 | 36 |
37 // Removes the specified channel from REMB estimate. | 37 // Removes the specified channel from REMB estimate. |
38 void RemoveReceiveChannel(RtpRtcp* rtp_rtcp); | 38 void RemoveReceiveChannel(RtpRtcp* rtp_rtcp); |
39 | 39 |
40 // Called to add a module that can generate and send REMB RTCP. | 40 // Called to add a module that can generate and send REMB RTCP. |
41 void AddRembSender(RtpRtcp* rtp_rtcp); | 41 void AddRembSender(RtpRtcp* rtp_rtcp); |
42 | 42 |
43 // Removes a REMB RTCP sender. | 43 // Removes a REMB RTCP sender. |
44 void RemoveRembSender(RtpRtcp* rtp_rtcp); | 44 void RemoveRembSender(RtpRtcp* rtp_rtcp); |
45 | 45 |
46 // Returns true if the instance is in use, false otherwise. | 46 // Returns true if the instance is in use, false otherwise. |
47 bool InUse() const; | 47 bool InUse() const; |
48 | 48 |
49 // Called every time there is a new bitrate estimate for a receive channel | 49 // Called every time there is a new bitrate estimate for a receive channel |
50 // group. This call will trigger a new RTCP REMB packet if the bitrate | 50 // group. This call will trigger a new RTCP REMB packet if the bitrate |
51 // estimate has decreased or if no RTCP REMB packet has been sent for | 51 // estimate has decreased or if no RTCP REMB packet has been sent for |
52 // a certain time interval. | 52 // a certain time interval. |
53 // Implements RtpReceiveBitrateUpdate. | 53 // Implements RtpReceiveBitrateUpdate. |
54 virtual void OnReceiveBitrateChanged(const std::vector<unsigned int>& ssrcs, | 54 virtual void OnReceiveBitrateChanged(const std::vector<unsigned int>& ssrcs, |
55 unsigned int bitrate); | 55 unsigned int bitrate); |
56 | 56 |
57 private: | 57 private: |
58 typedef std::list<RtpRtcp*> RtpModules; | 58 typedef std::list<RtpRtcp*> RtpModules; |
59 | 59 |
| 60 Clock* const clock_; |
60 rtc::scoped_ptr<CriticalSectionWrapper> list_crit_; | 61 rtc::scoped_ptr<CriticalSectionWrapper> list_crit_; |
61 | 62 |
62 // The last time a REMB was sent. | 63 // The last time a REMB was sent. |
63 int64_t last_remb_time_; | 64 int64_t last_remb_time_; |
64 unsigned int last_send_bitrate_; | 65 unsigned int last_send_bitrate_; |
65 | 66 |
66 // All RtpRtcp modules to include in the REMB packet. | 67 // All RtpRtcp modules to include in the REMB packet. |
67 RtpModules receive_modules_; | 68 RtpModules receive_modules_; |
68 | 69 |
69 // All modules that can send REMB RTCP. | 70 // All modules that can send REMB RTCP. |
70 RtpModules rtcp_sender_; | 71 RtpModules rtcp_sender_; |
71 | 72 |
72 // The last bitrate update. | 73 // The last bitrate update. |
73 unsigned int bitrate_; | 74 unsigned int bitrate_; |
74 }; | 75 }; |
75 | 76 |
76 } // namespace webrtc | 77 } // namespace webrtc |
77 | 78 |
78 #endif // WEBRTC_VIDEO_ENGINE_VIE_REMB_H_ | 79 #endif // WEBRTC_VIDEO_ENGINE_VIE_REMB_H_ |
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