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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 |
11 #include "webrtc/video/vie_sync_module.h" | 11 #include "webrtc/video/vie_sync_module.h" |
12 | 12 |
13 #include "webrtc/base/logging.h" | 13 #include "webrtc/base/logging.h" |
14 #include "webrtc/base/trace_event.h" | 14 #include "webrtc/base/trace_event.h" |
15 #include "webrtc/modules/rtp_rtcp/include/rtp_receiver.h" | 15 #include "webrtc/modules/rtp_rtcp/include/rtp_receiver.h" |
16 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp.h" | 16 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp.h" |
17 #include "webrtc/modules/video_coding/include/video_coding.h" | 17 #include "webrtc/modules/video_coding/include/video_coding.h" |
18 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" | |
19 #include "webrtc/video/stream_synchronization.h" | 18 #include "webrtc/video/stream_synchronization.h" |
20 #include "webrtc/voice_engine/include/voe_video_sync.h" | 19 #include "webrtc/voice_engine/include/voe_video_sync.h" |
21 | 20 |
22 namespace webrtc { | 21 namespace webrtc { |
23 | 22 |
24 int UpdateMeasurements(StreamSynchronization::Measurements* stream, | 23 int UpdateMeasurements(StreamSynchronization::Measurements* stream, |
25 const RtpRtcp& rtp_rtcp, const RtpReceiver& receiver) { | 24 const RtpRtcp& rtp_rtcp, const RtpReceiver& receiver) { |
26 if (!receiver.Timestamp(&stream->latest_timestamp)) | 25 if (!receiver.Timestamp(&stream->latest_timestamp)) |
27 return -1; | 26 return -1; |
28 if (!receiver.LastReceivedTimeMs(&stream->latest_receive_time_ms)) | 27 if (!receiver.LastReceivedTimeMs(&stream->latest_receive_time_ms)) |
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42 bool new_rtcp_sr = false; | 41 bool new_rtcp_sr = false; |
43 if (!UpdateRtcpList( | 42 if (!UpdateRtcpList( |
44 ntp_secs, ntp_frac, rtp_timestamp, &stream->rtcp, &new_rtcp_sr)) { | 43 ntp_secs, ntp_frac, rtp_timestamp, &stream->rtcp, &new_rtcp_sr)) { |
45 return -1; | 44 return -1; |
46 } | 45 } |
47 | 46 |
48 return 0; | 47 return 0; |
49 } | 48 } |
50 | 49 |
51 ViESyncModule::ViESyncModule(VideoCodingModule* vcm) | 50 ViESyncModule::ViESyncModule(VideoCodingModule* vcm) |
52 : data_cs_(CriticalSectionWrapper::CreateCriticalSection()), | 51 : vcm_(vcm), |
53 vcm_(vcm), | |
54 video_receiver_(NULL), | 52 video_receiver_(NULL), |
55 video_rtp_rtcp_(NULL), | 53 video_rtp_rtcp_(NULL), |
56 voe_channel_id_(-1), | 54 voe_channel_id_(-1), |
57 voe_sync_interface_(NULL), | 55 voe_sync_interface_(NULL), |
58 last_sync_time_(TickTime::Now()), | 56 last_sync_time_(TickTime::Now()), |
59 sync_() { | 57 sync_() { |
60 } | 58 } |
61 | 59 |
62 ViESyncModule::~ViESyncModule() { | 60 ViESyncModule::~ViESyncModule() { |
63 } | 61 } |
64 | 62 |
65 int ViESyncModule::ConfigureSync(int voe_channel_id, | 63 int ViESyncModule::ConfigureSync(int voe_channel_id, |
66 VoEVideoSync* voe_sync_interface, | 64 VoEVideoSync* voe_sync_interface, |
67 RtpRtcp* video_rtcp_module, | 65 RtpRtcp* video_rtcp_module, |
68 RtpReceiver* video_receiver) { | 66 RtpReceiver* video_receiver) { |
69 CriticalSectionScoped cs(data_cs_.get()); | 67 rtc::CritScope lock(&data_cs_); |
70 // Prevent expensive no-ops. | 68 // Prevent expensive no-ops. |
71 if (voe_channel_id_ == voe_channel_id && | 69 if (voe_channel_id_ == voe_channel_id && |
72 voe_sync_interface_ == voe_sync_interface && | 70 voe_sync_interface_ == voe_sync_interface && |
73 video_receiver_ == video_receiver && | 71 video_receiver_ == video_receiver && |
74 video_rtp_rtcp_ == video_rtcp_module) { | 72 video_rtp_rtcp_ == video_rtcp_module) { |
75 return 0; | 73 return 0; |
76 } | 74 } |
77 voe_channel_id_ = voe_channel_id; | 75 voe_channel_id_ = voe_channel_id; |
78 voe_sync_interface_ = voe_sync_interface; | 76 voe_sync_interface_ = voe_sync_interface; |
79 video_receiver_ = video_receiver; | 77 video_receiver_ = video_receiver; |
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95 int ViESyncModule::VoiceChannel() { | 93 int ViESyncModule::VoiceChannel() { |
96 return voe_channel_id_; | 94 return voe_channel_id_; |
97 } | 95 } |
98 | 96 |
99 int64_t ViESyncModule::TimeUntilNextProcess() { | 97 int64_t ViESyncModule::TimeUntilNextProcess() { |
100 const int64_t kSyncIntervalMs = 1000; | 98 const int64_t kSyncIntervalMs = 1000; |
101 return kSyncIntervalMs - (TickTime::Now() - last_sync_time_).Milliseconds(); | 99 return kSyncIntervalMs - (TickTime::Now() - last_sync_time_).Milliseconds(); |
102 } | 100 } |
103 | 101 |
104 int32_t ViESyncModule::Process() { | 102 int32_t ViESyncModule::Process() { |
105 CriticalSectionScoped cs(data_cs_.get()); | 103 rtc::CritScope lock(&data_cs_); |
106 last_sync_time_ = TickTime::Now(); | 104 last_sync_time_ = TickTime::Now(); |
107 | 105 |
108 const int current_video_delay_ms = vcm_->Delay(); | 106 const int current_video_delay_ms = vcm_->Delay(); |
109 | 107 |
110 if (voe_channel_id_ == -1) { | 108 if (voe_channel_id_ == -1) { |
111 return 0; | 109 return 0; |
112 } | 110 } |
113 assert(video_rtp_rtcp_ && voe_sync_interface_); | 111 assert(video_rtp_rtcp_ && voe_sync_interface_); |
114 assert(sync_.get()); | 112 assert(sync_.get()); |
115 | 113 |
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165 | 163 |
166 if (voe_sync_interface_->SetMinimumPlayoutDelay( | 164 if (voe_sync_interface_->SetMinimumPlayoutDelay( |
167 voe_channel_id_, target_audio_delay_ms) == -1) { | 165 voe_channel_id_, target_audio_delay_ms) == -1) { |
168 LOG(LS_ERROR) << "Error setting voice delay."; | 166 LOG(LS_ERROR) << "Error setting voice delay."; |
169 } | 167 } |
170 vcm_->SetMinimumPlayoutDelay(target_video_delay_ms); | 168 vcm_->SetMinimumPlayoutDelay(target_video_delay_ms); |
171 return 0; | 169 return 0; |
172 } | 170 } |
173 | 171 |
174 } // namespace webrtc | 172 } // namespace webrtc |
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