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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_audio_sender.h" | 5 #include "media/cast/transport/transport_audio_sender.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/logging.h" | 8 #include "base/logging.h" |
| 9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
| 10 #include "media/cast/transport/rtp_sender/rtp_sender.h" | 10 #include "media/cast/transport/rtp_sender/rtp_sender.h" |
| 11 | 11 |
| 12 namespace media { | 12 namespace media { |
| 13 namespace cast { | 13 namespace cast { |
| 14 namespace transport { | 14 namespace transport { |
| 15 | 15 |
| 16 TransportAudioSender::TransportAudioSender( | 16 TransportAudioSender::TransportAudioSender( |
| 17 const CastTransportAudioConfig& config, | 17 const CastTransportAudioConfig& config, |
| 18 base::TickClock* clock, | 18 base::TickClock* clock, |
| 19 const scoped_refptr<base::SingleThreadTaskRunner>& transport_task_runner, | 19 const scoped_refptr<base::SingleThreadTaskRunner>& transport_task_runner, |
| 20 PacedSender* const paced_packet_sender) | 20 PacedSender* const paced_packet_sender) |
| 21 : rtp_sender_(clock, transport_task_runner, paced_packet_sender), | 21 : rtp_sender_(clock, transport_task_runner, paced_packet_sender), |
| 22 encryptor_() { | 22 encryptor_() { |
| 23 initialized_ = rtp_sender_.InitializeAudio(config) && | 23 initialized_ = rtp_sender_.InitializeAudio(config) && |
| 24 encryptor_.Initialize(config.rtp.config.aes_key, | 24 encryptor_.Initialize(config.rtp.config.aes_key, |
| 25 config.rtp.config.aes_iv_mask); | 25 config.rtp.config.aes_iv_mask); |
| 26 } | 26 } |
| 27 | 27 |
| 28 TransportAudioSender::~TransportAudioSender() {} | 28 TransportAudioSender::~TransportAudioSender() {} |
| 29 | 29 |
| 30 void TransportAudioSender::InsertCodedAudioFrame( | 30 void TransportAudioSender::SendFrame(const EncodedFrame& audio_frame) { |
| 31 const EncodedAudioFrame* audio_frame, | |
| 32 const base::TimeTicks& recorded_time) { | |
| 33 if (!initialized_) { | 31 if (!initialized_) { |
| 34 return; | 32 return; |
| 35 } | 33 } |
| 36 if (encryptor_.initialized()) { | 34 if (encryptor_.initialized()) { |
| 37 EncodedAudioFrame encrypted_frame; | 35 EncodedFrame encrypted_frame; |
| 38 if (!EncryptAudioFrame(*audio_frame, &encrypted_frame)) { | 36 if (!EncryptAudioFrame(audio_frame, &encrypted_frame)) { |
| 37 NOTREACHED(); |
| 39 return; | 38 return; |
| 40 } | 39 } |
| 41 rtp_sender_.IncomingEncodedAudioFrame(&encrypted_frame, recorded_time); | 40 rtp_sender_.SendFrame(encrypted_frame); |
| 42 } else { | 41 } else { |
| 43 rtp_sender_.IncomingEncodedAudioFrame(audio_frame, recorded_time); | 42 rtp_sender_.SendFrame(audio_frame); |
| 44 } | 43 } |
| 45 } | 44 } |
| 46 | 45 |
| 47 bool TransportAudioSender::EncryptAudioFrame( | 46 bool TransportAudioSender::EncryptAudioFrame( |
| 48 const EncodedAudioFrame& audio_frame, | 47 const EncodedFrame& audio_frame, EncodedFrame* encrypted_frame) { |
| 49 EncodedAudioFrame* encrypted_frame) { | |
| 50 if (!initialized_) { | 48 if (!initialized_) { |
| 51 return false; | 49 return false; |
| 52 } | 50 } |
| 53 if (!encryptor_.Encrypt( | 51 if (!encryptor_.Encrypt( |
| 54 audio_frame.frame_id, audio_frame.data, &encrypted_frame->data)) | 52 audio_frame.frame_id, audio_frame.data, &encrypted_frame->data)) |
| 55 return false; | 53 return false; |
| 56 | 54 |
| 57 encrypted_frame->codec = audio_frame.codec; | 55 encrypted_frame->relationship = audio_frame.relationship; |
| 58 encrypted_frame->frame_id = audio_frame.frame_id; | 56 encrypted_frame->frame_id = audio_frame.frame_id; |
| 57 encrypted_frame->referenced_frame_id = audio_frame.referenced_frame_id; |
| 59 encrypted_frame->rtp_timestamp = audio_frame.rtp_timestamp; | 58 encrypted_frame->rtp_timestamp = audio_frame.rtp_timestamp; |
| 59 encrypted_frame->reference_time = audio_frame.reference_time; |
| 60 return true; | 60 return true; |
| 61 } | 61 } |
| 62 | 62 |
| 63 void TransportAudioSender::ResendPackets( | 63 void TransportAudioSender::ResendPackets( |
| 64 const MissingFramesAndPacketsMap& missing_frames_and_packets) { | 64 const MissingFramesAndPacketsMap& missing_frames_and_packets) { |
| 65 if (!initialized_) { | 65 if (!initialized_) { |
| 66 return; | 66 return; |
| 67 } | 67 } |
| 68 rtp_sender_.ResendPackets(missing_frames_and_packets); | 68 rtp_sender_.ResendPackets(missing_frames_and_packets); |
| 69 } | 69 } |
| 70 | 70 |
| 71 void TransportAudioSender::SubscribeAudioRtpStatsCallback( | 71 void TransportAudioSender::SubscribeAudioRtpStatsCallback( |
| 72 const CastTransportRtpStatistics& callback) { | 72 const CastTransportRtpStatistics& callback) { |
| 73 rtp_sender_.SubscribeRtpStatsCallback(callback); | 73 rtp_sender_.SubscribeRtpStatsCallback(callback); |
| 74 } | 74 } |
| 75 | 75 |
| 76 } // namespace transport | 76 } // namespace transport |
| 77 } // namespace cast | 77 } // namespace cast |
| 78 } // namespace media | 78 } // namespace media |
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