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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/receiver/frame_receiver.h" | 5 #include "media/cast/receiver/frame_receiver.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/big_endian.h" | 9 #include "base/big_endian.h" |
10 #include "base/bind.h" | 10 #include "base/bind.h" |
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43 config.rtp_max_delay_ms * config.target_frame_rate / 1000), | 43 config.rtp_max_delay_ms * config.target_frame_rate / 1000), |
44 rtcp_(RtcpCastMessageCallback(), | 44 rtcp_(RtcpCastMessageCallback(), |
45 RtcpRttCallback(), | 45 RtcpRttCallback(), |
46 RtcpLogMessageCallback(), | 46 RtcpLogMessageCallback(), |
47 cast_environment_->Clock(), | 47 cast_environment_->Clock(), |
48 NULL, | 48 NULL, |
49 config.receiver_ssrc, | 49 config.receiver_ssrc, |
50 config.sender_ssrc), | 50 config.sender_ssrc), |
51 is_waiting_for_consecutive_frame_(false), | 51 is_waiting_for_consecutive_frame_(false), |
52 lip_sync_drift_(ClockDriftSmoother::GetDefaultTimeConstant()), | 52 lip_sync_drift_(ClockDriftSmoother::GetDefaultTimeConstant()), |
53 rtcp_interval_(base::TimeDelta::FromMilliseconds(config.rtcp_interval)), | |
54 weak_factory_(this) { | 53 weak_factory_(this) { |
55 transport_->AddValidSsrc(config.sender_ssrc); | 54 transport_->AddValidSsrc(config.sender_ssrc); |
56 DCHECK_GT(config.rtp_max_delay_ms, 0); | 55 DCHECK_GT(config.rtp_max_delay_ms, 0); |
57 DCHECK_GT(config.target_frame_rate, 0); | 56 DCHECK_GT(config.target_frame_rate, 0); |
58 decryptor_.Initialize(config.aes_key, config.aes_iv_mask); | 57 decryptor_.Initialize(config.aes_key, config.aes_iv_mask); |
59 cast_environment_->Logging()->AddRawEventSubscriber(&event_subscriber_); | 58 cast_environment_->Logging()->AddRawEventSubscriber(&event_subscriber_); |
60 memset(frame_id_to_rtp_timestamp_, 0, sizeof(frame_id_to_rtp_timestamp_)); | 59 memset(frame_id_to_rtp_timestamp_, 0, sizeof(frame_id_to_rtp_timestamp_)); |
61 } | 60 } |
62 | 61 |
63 FrameReceiver::~FrameReceiver() { | 62 FrameReceiver::~FrameReceiver() { |
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313 } | 312 } |
314 | 313 |
315 void FrameReceiver::SendNextCastMessage() { | 314 void FrameReceiver::SendNextCastMessage() { |
316 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); | 315 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); |
317 framer_.SendCastMessage(); // Will only send a message if it is time. | 316 framer_.SendCastMessage(); // Will only send a message if it is time. |
318 ScheduleNextCastMessage(); | 317 ScheduleNextCastMessage(); |
319 } | 318 } |
320 | 319 |
321 void FrameReceiver::ScheduleNextRtcpReport() { | 320 void FrameReceiver::ScheduleNextRtcpReport() { |
322 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); | 321 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); |
323 base::TimeDelta time_to_next = rtcp_interval_; | |
324 time_to_next = std::max( | |
325 time_to_next, base::TimeDelta::FromMilliseconds(kMinSchedulingDelayMs)); | |
326 | 322 |
327 cast_environment_->PostDelayedTask( | 323 cast_environment_->PostDelayedTask( |
328 CastEnvironment::MAIN, | 324 CastEnvironment::MAIN, FROM_HERE, |
329 FROM_HERE, | |
330 base::Bind(&FrameReceiver::SendNextRtcpReport, | 325 base::Bind(&FrameReceiver::SendNextRtcpReport, |
331 weak_factory_.GetWeakPtr()), | 326 weak_factory_.GetWeakPtr()), |
332 time_to_next); | 327 base::TimeDelta::FromMilliseconds(kDefaultRtcpIntervalMs)); |
333 } | 328 } |
334 | 329 |
335 void FrameReceiver::SendNextRtcpReport() { | 330 void FrameReceiver::SendNextRtcpReport() { |
336 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); | 331 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); |
337 const base::TimeTicks now = cast_environment_->Clock()->NowTicks(); | 332 const base::TimeTicks now = cast_environment_->Clock()->NowTicks(); |
338 RtpReceiverStatistics stats = stats_.GetStatistics(); | 333 RtpReceiverStatistics stats = stats_.GetStatistics(); |
339 transport_->SendRtcpFromRtpReceiver(rtcp_.GetLocalSsrc(), | 334 transport_->SendRtcpFromRtpReceiver(rtcp_.GetLocalSsrc(), |
340 rtcp_.GetRemoteSsrc(), | 335 rtcp_.GetRemoteSsrc(), |
341 rtcp_.ConvertToNTPAndSave(now), | 336 rtcp_.ConvertToNTPAndSave(now), |
342 NULL, | 337 NULL, |
343 base::TimeDelta(), | 338 base::TimeDelta(), |
344 NULL, | 339 NULL, |
345 &stats); | 340 &stats); |
346 ScheduleNextRtcpReport(); | 341 ScheduleNextRtcpReport(); |
347 } | 342 } |
348 | 343 |
349 } // namespace cast | 344 } // namespace cast |
350 } // namespace media | 345 } // namespace media |
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