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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/transport/transport_video_sender.h" | 5 #include "media/cast/transport/transport_video_sender.h" |
| 6 | 6 |
| 7 #include <list> |
| 8 |
| 7 #include "base/bind.h" | 9 #include "base/bind.h" |
| 8 #include "base/logging.h" | 10 #include "base/logging.h" |
| 9 #include "base/message_loop/message_loop.h" | 11 #include "base/message_loop/message_loop.h" |
| 10 #include "media/base/video_frame.h" | 12 #include "media/base/video_frame.h" |
| 11 #include "media/cast/transport/pacing/paced_sender.h" | 13 #include "media/cast/transport/pacing/paced_sender.h" |
| 12 | 14 |
| 13 namespace media { | 15 namespace media { |
| 14 namespace cast { | 16 namespace cast { |
| 15 namespace transport { | 17 namespace transport { |
| 16 | 18 |
| 17 TransportVideoSender::TransportVideoSender( | 19 TransportVideoSender::TransportVideoSender( |
| 18 const CastTransportVideoConfig& config, | 20 const CastTransportVideoConfig& config, |
| 19 base::TickClock* clock, | 21 base::TickClock* clock, |
| 20 const scoped_refptr<base::SingleThreadTaskRunner>& transport_task_runner, | 22 const scoped_refptr<base::SingleThreadTaskRunner>& transport_task_runner, |
| 21 PacedSender* const paced_packet_sender) | 23 PacedSender* const paced_packet_sender) |
| 22 : rtp_sender_(clock, transport_task_runner, paced_packet_sender) { | 24 : rtp_max_delay_(base::TimeDelta::FromMilliseconds( |
| 23 initialized_ = rtp_sender_.InitializeVideo(config) && | 25 config.base.rtp_config.max_delay_ms)), |
| 24 encryptor_.Initialize(config.rtp.config.aes_key, | 26 encryptor_(), |
| 25 config.rtp.config.aes_iv_mask); | 27 rtp_sender_(clock, transport_task_runner, paced_packet_sender) { |
| 28 rtp_sender_.InitializeVideo(config); |
| 29 initialized_ = |
| 30 encryptor_.Initialize(config.base.aes_key, config.base.aes_iv_mask); |
| 26 } | 31 } |
| 27 | 32 |
| 28 TransportVideoSender::~TransportVideoSender() {} | 33 TransportVideoSender::~TransportVideoSender() {} |
| 29 | 34 |
| 30 void TransportVideoSender::InsertCodedVideoFrame( | 35 void TransportVideoSender::InsertCodedVideoFrame( |
| 31 const EncodedVideoFrame* coded_frame, | 36 const EncodedVideoFrame* coded_frame, |
| 32 const base::TimeTicks& capture_time) { | 37 const base::TimeTicks& capture_time) { |
| 33 if (!initialized_) { | |
| 34 return; | |
| 35 } | |
| 36 if (encryptor_.initialized()) { | 38 if (encryptor_.initialized()) { |
| 37 EncodedVideoFrame encrypted_video_frame; | 39 EncodedVideoFrame encrypted_video_frame; |
| 38 | 40 |
| 39 if (!EncryptVideoFrame(*coded_frame, &encrypted_video_frame)) | 41 if (!EncryptVideoFrame(*coded_frame, &encrypted_video_frame)) |
| 40 return; | 42 return; |
| 41 | 43 |
| 42 rtp_sender_.IncomingEncodedVideoFrame(&encrypted_video_frame, capture_time); | 44 rtp_sender_.IncomingEncodedVideoFrame(&encrypted_video_frame, capture_time); |
| 43 } else { | 45 } else { |
| 44 rtp_sender_.IncomingEncodedVideoFrame(coded_frame, capture_time); | 46 rtp_sender_.IncomingEncodedVideoFrame(coded_frame, capture_time); |
| 45 } | 47 } |
| 46 if (coded_frame->key_frame) { | 48 if (coded_frame->key_frame) { |
| 47 VLOG(1) << "Send encoded key frame; frame_id:" | 49 VLOG(1) << "Send encoded key frame; frame_id:" |
| 48 << static_cast<int>(coded_frame->frame_id); | 50 << static_cast<int>(coded_frame->frame_id); |
| 49 } | 51 } |
| 50 } | 52 } |
| 51 | 53 |
| 52 bool TransportVideoSender::EncryptVideoFrame( | 54 bool TransportVideoSender::EncryptVideoFrame( |
| 53 const EncodedVideoFrame& video_frame, | 55 const EncodedVideoFrame& video_frame, |
| 54 EncodedVideoFrame* encrypted_frame) { | 56 EncodedVideoFrame* encrypted_frame) { |
| 55 if (!initialized_) { | |
| 56 return false; | |
| 57 } | |
| 58 if (!encryptor_.Encrypt( | 57 if (!encryptor_.Encrypt( |
| 59 video_frame.frame_id, video_frame.data, &(encrypted_frame->data))) | 58 video_frame.frame_id, video_frame.data, &(encrypted_frame->data))) |
| 60 return false; | 59 return false; |
| 61 | 60 |
| 62 encrypted_frame->codec = video_frame.codec; | 61 encrypted_frame->codec = video_frame.codec; |
| 63 encrypted_frame->key_frame = video_frame.key_frame; | 62 encrypted_frame->key_frame = video_frame.key_frame; |
| 64 encrypted_frame->frame_id = video_frame.frame_id; | 63 encrypted_frame->frame_id = video_frame.frame_id; |
| 65 encrypted_frame->last_referenced_frame_id = | 64 encrypted_frame->last_referenced_frame_id = |
| 66 video_frame.last_referenced_frame_id; | 65 video_frame.last_referenced_frame_id; |
| 67 return true; | 66 return true; |
| 68 } | 67 } |
| 69 | 68 |
| 70 void TransportVideoSender::ResendPackets( | 69 void TransportVideoSender::ResendPackets( |
| 71 const MissingFramesAndPacketsMap& missing_frames_and_packets) { | 70 const MissingFramesAndPacketsMap& missing_frames_and_packets) { |
| 72 if (!initialized_) { | |
| 73 return; | |
| 74 } | |
| 75 rtp_sender_.ResendPackets(missing_frames_and_packets); | 71 rtp_sender_.ResendPackets(missing_frames_and_packets); |
| 76 } | 72 } |
| 77 | 73 |
| 78 void TransportVideoSender::SubscribeVideoRtpStatsCallback( | 74 void TransportVideoSender::SubscribeVideoRtpStatsCallback( |
| 79 const CastTransportRtpStatistics& callback) { | 75 const CastTransportRtpStatistics& callback) { |
| 80 rtp_sender_.SubscribeRtpStatsCallback(callback); | 76 rtp_sender_.SubscribeRtpStatsCallback(callback); |
| 81 } | 77 } |
| 82 | 78 |
| 83 } // namespace transport | 79 } // namespace transport |
| 84 } // namespace cast | 80 } // namespace cast |
| 85 } // namespace media | 81 } // namespace media |
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