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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_receiver/video_receiver.h" | 5 #include "media/cast/video_receiver/video_receiver.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/debug/trace_event.h" | 10 #include "base/debug/trace_event.h" |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/message_loop/message_loop.h" | 12 #include "base/message_loop/message_loop.h" |
13 #include "media/base/video_frame.h" | 13 #include "media/base/video_frame.h" |
14 #include "media/cast/logging/logging_defines.h" | 14 #include "media/cast/logging/logging_defines.h" |
15 #include "media/cast/transport/cast_transport_defines.h" | 15 #include "media/cast/transport/cast_transport_defines.h" |
16 #include "media/cast/video_receiver/video_decoder.h" | 16 #include "media/cast/video_receiver/video_decoder.h" |
17 | 17 |
18 namespace { | 18 namespace { |
19 const int kMinSchedulingDelayMs = 1; | 19 const int kMinSchedulingDelayMs = 1; |
20 } // namespace | 20 } // namespace |
21 | 21 |
22 namespace media { | 22 namespace media { |
23 namespace cast { | 23 namespace cast { |
24 | 24 |
25 VideoReceiver::VideoReceiver(scoped_refptr<CastEnvironment> cast_environment, | 25 VideoReceiver::VideoReceiver(scoped_refptr<CastEnvironment> cast_environment, |
26 const VideoReceiverConfig& video_config, | 26 const FrameReceiverConfig& video_config, |
27 transport::PacedPacketSender* const packet_sender) | 27 transport::PacedPacketSender* const packet_sender) |
28 : RtpReceiver(cast_environment->Clock(), NULL, &video_config), | 28 : RtpReceiver(cast_environment->Clock(), NULL, &video_config), |
29 cast_environment_(cast_environment), | 29 cast_environment_(cast_environment), |
30 event_subscriber_(kReceiverRtcpEventHistorySize, VIDEO_EVENT), | 30 event_subscriber_(kReceiverRtcpEventHistorySize, VIDEO_EVENT), |
31 codec_(video_config.codec), | 31 codec_(video_config.codec.video), |
32 target_playout_delay_( | 32 target_playout_delay_( |
33 base::TimeDelta::FromMilliseconds(video_config.rtp_max_delay_ms)), | 33 base::TimeDelta::FromMilliseconds(video_config.rtp_max_delay_ms)), |
34 expected_frame_duration_( | 34 expected_frame_duration_( |
35 base::TimeDelta::FromSeconds(1) / video_config.max_frame_rate), | 35 base::TimeDelta::FromSeconds(1) / video_config.max_frame_rate), |
36 reports_are_scheduled_(false), | 36 reports_are_scheduled_(false), |
37 framer_(cast_environment->Clock(), | 37 framer_(cast_environment->Clock(), |
38 this, | 38 this, |
39 video_config.incoming_ssrc, | 39 video_config.incoming_ssrc, |
40 video_config.decoder_faster_than_max_frame_rate, | 40 true, |
41 video_config.rtp_max_delay_ms * video_config.max_frame_rate / | 41 video_config.rtp_max_delay_ms * video_config.max_frame_rate / |
42 1000), | 42 1000), |
43 rtcp_(cast_environment_, | 43 rtcp_(cast_environment_, |
44 NULL, | 44 NULL, |
45 NULL, | 45 NULL, |
46 packet_sender, | 46 packet_sender, |
47 GetStatistics(), | 47 GetStatistics(), |
48 video_config.rtcp_mode, | 48 video_config.rtcp_mode, |
49 base::TimeDelta::FromMilliseconds(video_config.rtcp_interval), | 49 base::TimeDelta::FromMilliseconds(video_config.rtcp_interval), |
50 video_config.feedback_ssrc, | 50 video_config.feedback_ssrc, |
51 video_config.incoming_ssrc, | 51 video_config.incoming_ssrc, |
52 video_config.rtcp_c_name, | 52 video_config.rtcp_c_name, |
53 false), | 53 false), |
54 is_waiting_for_consecutive_frame_(false), | 54 is_waiting_for_consecutive_frame_(false), |
55 lip_sync_drift_(ClockDriftSmoother::GetDefaultTimeConstant()), | 55 lip_sync_drift_(ClockDriftSmoother::GetDefaultTimeConstant()), |
56 weak_factory_(this) { | 56 weak_factory_(this) { |
57 DCHECK_GT(video_config.rtp_max_delay_ms, 0); | 57 DCHECK_GT(video_config.rtp_max_delay_ms, 0); |
58 DCHECK_GT(video_config.max_frame_rate, 0); | 58 DCHECK_GT(video_config.max_frame_rate, 0); |
59 if (!video_config.use_external_decoder) { | 59 video_decoder_.reset(new VideoDecoder(cast_environment, video_config)); |
60 video_decoder_.reset(new VideoDecoder(cast_environment, video_config)); | |
61 } | |
62 decryptor_.Initialize(video_config.aes_key, video_config.aes_iv_mask); | 60 decryptor_.Initialize(video_config.aes_key, video_config.aes_iv_mask); |
63 rtcp_.SetTargetDelay(target_playout_delay_); | 61 rtcp_.SetTargetDelay(target_playout_delay_); |
64 cast_environment_->Logging()->AddRawEventSubscriber(&event_subscriber_); | 62 cast_environment_->Logging()->AddRawEventSubscriber(&event_subscriber_); |
65 memset(frame_id_to_rtp_timestamp_, 0, sizeof(frame_id_to_rtp_timestamp_)); | 63 memset(frame_id_to_rtp_timestamp_, 0, sizeof(frame_id_to_rtp_timestamp_)); |
66 } | 64 } |
67 | 65 |
68 VideoReceiver::~VideoReceiver() { | 66 VideoReceiver::~VideoReceiver() { |
69 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); | 67 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); |
70 cast_environment_->Logging()->RemoveRawEventSubscriber(&event_subscriber_); | 68 cast_environment_->Logging()->RemoveRawEventSubscriber(&event_subscriber_); |
71 } | 69 } |
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373 } | 371 } |
374 | 372 |
375 void VideoReceiver::SendNextRtcpReport() { | 373 void VideoReceiver::SendNextRtcpReport() { |
376 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); | 374 DCHECK(cast_environment_->CurrentlyOn(CastEnvironment::MAIN)); |
377 rtcp_.SendRtcpFromRtpReceiver(NULL, NULL); | 375 rtcp_.SendRtcpFromRtpReceiver(NULL, NULL); |
378 ScheduleNextRtcpReport(); | 376 ScheduleNextRtcpReport(); |
379 } | 377 } |
380 | 378 |
381 } // namespace cast | 379 } // namespace cast |
382 } // namespace media | 380 } // namespace media |
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