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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/cast/video_sender/video_sender.h" | 5 #include "media/cast/video_sender/video_sender.h" |
6 | 6 |
7 #include <list> | 7 #include <list> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
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53 VideoSender::VideoSender( | 53 VideoSender::VideoSender( |
54 scoped_refptr<CastEnvironment> cast_environment, | 54 scoped_refptr<CastEnvironment> cast_environment, |
55 const VideoSenderConfig& video_config, | 55 const VideoSenderConfig& video_config, |
56 VideoEncoderController* const video_encoder_controller, | 56 VideoEncoderController* const video_encoder_controller, |
57 transport::PacedPacketSender* const paced_packet_sender) | 57 transport::PacedPacketSender* const paced_packet_sender) |
58 : rtp_max_delay_( | 58 : rtp_max_delay_( |
59 base::TimeDelta::FromMilliseconds(video_config.rtp_max_delay_ms)), | 59 base::TimeDelta::FromMilliseconds(video_config.rtp_max_delay_ms)), |
60 max_frame_rate_(video_config.max_frame_rate), | 60 max_frame_rate_(video_config.max_frame_rate), |
61 cast_environment_(cast_environment), | 61 cast_environment_(cast_environment), |
62 rtcp_feedback_(new LocalRtcpVideoSenderFeedback(this)), | 62 rtcp_feedback_(new LocalRtcpVideoSenderFeedback(this)), |
63 rtp_sender_(new transport::RtpSender(cast_environment, | 63 rtp_sender_(new transport::RtpSender(cast_environment->Clock(), |
64 NULL, | 64 NULL, |
65 &video_config, | 65 &video_config, |
66 paced_packet_sender)), | 66 paced_packet_sender)), |
67 last_acked_frame_id_(-1), | 67 last_acked_frame_id_(-1), |
68 last_sent_frame_id_(-1), | 68 last_sent_frame_id_(-1), |
69 duplicate_ack_(0), | 69 duplicate_ack_(0), |
70 last_skip_count_(0), | 70 last_skip_count_(0), |
71 congestion_control_(cast_environment->Clock(), | 71 congestion_control_(cast_environment->Clock(), |
72 video_config.congestion_control_back_off, | 72 video_config.congestion_control_back_off, |
73 video_config.max_bitrate, | 73 video_config.max_bitrate, |
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140 base::TimeTicks now = cast_environment_->Clock()->NowTicks(); | 140 base::TimeTicks now = cast_environment_->Clock()->NowTicks(); |
141 cast_environment_->Logging()->InsertFrameEvent(now, kVideoFrameReceived, | 141 cast_environment_->Logging()->InsertFrameEvent(now, kVideoFrameReceived, |
142 GetVideoRtpTimestamp(capture_time), kFrameIdUnknown); | 142 GetVideoRtpTimestamp(capture_time), kFrameIdUnknown); |
143 | 143 |
144 if (!video_encoder_->EncodeVideoFrame(video_frame, capture_time, | 144 if (!video_encoder_->EncodeVideoFrame(video_frame, capture_time, |
145 base::Bind(&VideoSender::SendEncodedVideoFrameMainThread, | 145 base::Bind(&VideoSender::SendEncodedVideoFrameMainThread, |
146 weak_factory_.GetWeakPtr()))) { | 146 weak_factory_.GetWeakPtr()))) { |
147 } | 147 } |
148 } | 148 } |
149 | 149 |
150 void VideoSender::InsertCodedVideoFrame(const EncodedVideoFrame* encoded_frame, | 150 void VideoSender::InsertCodedVideoFrame( |
151 const base::TimeTicks& capture_time, | 151 const transport::EncodedVideoFrame* encoded_frame, |
152 const base::Closure callback) { | 152 const base::TimeTicks& capture_time, |
| 153 const base::Closure callback) { |
153 DCHECK(!video_encoder_.get()) << "Invalid state"; | 154 DCHECK(!video_encoder_.get()) << "Invalid state"; |
154 DCHECK(encoded_frame) << "Invalid argument"; | 155 DCHECK(encoded_frame) << "Invalid argument"; |
155 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); | 156 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); |
156 | 157 |
157 SendEncodedVideoFrame(encoded_frame, capture_time); | 158 SendEncodedVideoFrame(encoded_frame, capture_time); |
158 cast_environment_->PostTask(CastEnvironment::MAIN, FROM_HERE, callback); | 159 cast_environment_->PostTask(CastEnvironment::MAIN, FROM_HERE, callback); |
159 } | 160 } |
160 | 161 |
161 void VideoSender::SendEncodedVideoFrameMainThread( | 162 void VideoSender::SendEncodedVideoFrameMainThread( |
162 scoped_ptr<EncodedVideoFrame> video_frame, | 163 scoped_ptr<transport::EncodedVideoFrame> video_frame, |
163 const base::TimeTicks& capture_time) { | 164 const base::TimeTicks& capture_time) { |
164 SendEncodedVideoFrame(video_frame.get(), capture_time); | 165 SendEncodedVideoFrame(video_frame.get(), capture_time); |
165 } | 166 } |
166 | 167 |
167 bool VideoSender::EncryptVideoFrame(const EncodedVideoFrame& video_frame, | 168 bool VideoSender::EncryptVideoFrame( |
168 EncodedVideoFrame* encrypted_frame) { | 169 const transport::EncodedVideoFrame& video_frame, |
| 170 transport::EncodedVideoFrame* encrypted_frame) { |
169 DCHECK(encryptor_) << "Invalid state"; | 171 DCHECK(encryptor_) << "Invalid state"; |
170 | 172 |
171 if (!encryptor_->SetCounter(GetAesNonce(video_frame.frame_id, iv_mask_))) { | 173 if (!encryptor_->SetCounter(GetAesNonce(video_frame.frame_id, iv_mask_))) { |
172 NOTREACHED() << "Failed to set counter"; | 174 NOTREACHED() << "Failed to set counter"; |
173 return false; | 175 return false; |
174 } | 176 } |
175 | 177 |
176 if (!encryptor_->Encrypt(video_frame.data, &encrypted_frame->data)) { | 178 if (!encryptor_->Encrypt(video_frame.data, &encrypted_frame->data)) { |
177 NOTREACHED() << "Encrypt error"; | 179 NOTREACHED() << "Encrypt error"; |
178 return false; | 180 return false; |
179 } | 181 } |
180 encrypted_frame->codec = video_frame.codec; | 182 encrypted_frame->codec = video_frame.codec; |
181 encrypted_frame->key_frame = video_frame.key_frame; | 183 encrypted_frame->key_frame = video_frame.key_frame; |
182 encrypted_frame->frame_id = video_frame.frame_id; | 184 encrypted_frame->frame_id = video_frame.frame_id; |
183 encrypted_frame->last_referenced_frame_id = | 185 encrypted_frame->last_referenced_frame_id = |
184 video_frame.last_referenced_frame_id; | 186 video_frame.last_referenced_frame_id; |
185 return true; | 187 return true; |
186 } | 188 } |
187 | 189 |
188 void VideoSender::SendEncodedVideoFrame(const EncodedVideoFrame* encoded_frame, | 190 void VideoSender::SendEncodedVideoFrame( |
189 const base::TimeTicks& capture_time) { | 191 const transport::EncodedVideoFrame* encoded_frame, |
| 192 const base::TimeTicks& capture_time) { |
190 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); | 193 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); |
191 last_send_time_ = cast_environment_->Clock()->NowTicks(); | 194 last_send_time_ = cast_environment_->Clock()->NowTicks(); |
192 | 195 |
193 if (encryptor_) { | 196 if (encryptor_) { |
194 EncodedVideoFrame encrypted_video_frame; | 197 transport::EncodedVideoFrame encrypted_video_frame; |
195 | 198 |
196 if (!EncryptVideoFrame(*encoded_frame, &encrypted_video_frame)) { | 199 if (!EncryptVideoFrame(*encoded_frame, &encrypted_video_frame)) { |
197 // Logging already done. | 200 // Logging already done. |
198 return; | 201 return; |
199 } | 202 } |
200 rtp_sender_->IncomingEncodedVideoFrame(&encrypted_video_frame, | 203 rtp_sender_->IncomingEncodedVideoFrame(&encrypted_video_frame, |
201 capture_time); | 204 capture_time); |
202 } else { | 205 } else { |
203 rtp_sender_->IncomingEncodedVideoFrame(encoded_frame, capture_time); | 206 rtp_sender_->IncomingEncodedVideoFrame(encoded_frame, capture_time); |
204 } | 207 } |
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457 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); | 460 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); |
458 MissingFramesAndPacketsMap missing_frames_and_packets; | 461 MissingFramesAndPacketsMap missing_frames_and_packets; |
459 PacketIdSet missing; | 462 PacketIdSet missing; |
460 missing_frames_and_packets.insert(std::make_pair(resend_frame_id, missing)); | 463 missing_frames_and_packets.insert(std::make_pair(resend_frame_id, missing)); |
461 rtp_sender_->ResendPackets(missing_frames_and_packets); | 464 rtp_sender_->ResendPackets(missing_frames_and_packets); |
462 last_send_time_ = cast_environment_->Clock()->NowTicks(); | 465 last_send_time_ = cast_environment_->Clock()->NowTicks(); |
463 } | 466 } |
464 | 467 |
465 } // namespace cast | 468 } // namespace cast |
466 } // namespace media | 469 } // namespace media |
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