Steve Anton | 6e634bf | 2017-11-13 10:44:53 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 The WebRTC project authors. All Rights Reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| 11 | #include "pc/rtptransceiver.h" |
| 12 | |
| 13 | #include <string> |
| 14 | |
Steve Anton | dcc3c02 | 2017-12-22 16:02:54 -0800 | [diff] [blame^] | 15 | #include "pc/rtpmediautils.h" |
| 16 | |
Steve Anton | 6e634bf | 2017-11-13 10:44:53 -0800 | [diff] [blame] | 17 | namespace webrtc { |
| 18 | |
Steve Anton | dcc3c02 | 2017-12-22 16:02:54 -0800 | [diff] [blame^] | 19 | std::ostream& operator<<(std::ostream& os, RtpTransceiverDirection direction) { |
| 20 | return os << RtpTransceiverDirectionToString(direction); |
| 21 | } |
| 22 | |
Steve Anton | 6e634bf | 2017-11-13 10:44:53 -0800 | [diff] [blame] | 23 | RtpTransceiver::RtpTransceiver(cricket::MediaType media_type) |
| 24 | : unified_plan_(false), media_type_(media_type) { |
| 25 | RTC_DCHECK(media_type == cricket::MEDIA_TYPE_AUDIO || |
| 26 | media_type == cricket::MEDIA_TYPE_VIDEO); |
| 27 | } |
| 28 | |
Steve Anton | 79e7960 | 2017-11-20 10:25:56 -0800 | [diff] [blame] | 29 | RtpTransceiver::RtpTransceiver( |
| 30 | rtc::scoped_refptr<RtpSenderProxyWithInternal<RtpSenderInternal>> sender, |
| 31 | rtc::scoped_refptr<RtpReceiverProxyWithInternal<RtpReceiverInternal>> |
| 32 | receiver) |
| 33 | : unified_plan_(true), media_type_(sender->media_type()) { |
| 34 | RTC_DCHECK(media_type_ == cricket::MEDIA_TYPE_AUDIO || |
| 35 | media_type_ == cricket::MEDIA_TYPE_VIDEO); |
| 36 | RTC_DCHECK_EQ(sender->media_type(), receiver->media_type()); |
| 37 | senders_.push_back(sender); |
| 38 | receivers_.push_back(receiver); |
| 39 | } |
| 40 | |
Steve Anton | 6e634bf | 2017-11-13 10:44:53 -0800 | [diff] [blame] | 41 | RtpTransceiver::~RtpTransceiver() { |
| 42 | Stop(); |
| 43 | } |
| 44 | |
| 45 | void RtpTransceiver::SetChannel(cricket::BaseChannel* channel) { |
| 46 | if (channel) { |
| 47 | RTC_DCHECK_EQ(media_type(), channel->media_type()); |
| 48 | } |
| 49 | channel_ = channel; |
| 50 | for (auto sender : senders_) { |
| 51 | if (media_type() == cricket::MEDIA_TYPE_AUDIO) { |
| 52 | static_cast<AudioRtpSender*>(sender->internal()) |
| 53 | ->SetChannel(static_cast<cricket::VoiceChannel*>(channel)); |
| 54 | } else { |
| 55 | static_cast<VideoRtpSender*>(sender->internal()) |
| 56 | ->SetChannel(static_cast<cricket::VideoChannel*>(channel)); |
| 57 | } |
| 58 | } |
| 59 | for (auto receiver : receivers_) { |
| 60 | if (!channel) { |
| 61 | receiver->internal()->Stop(); |
| 62 | } |
| 63 | if (media_type() == cricket::MEDIA_TYPE_AUDIO) { |
| 64 | static_cast<AudioRtpReceiver*>(receiver->internal()) |
| 65 | ->SetChannel(static_cast<cricket::VoiceChannel*>(channel)); |
| 66 | } else { |
| 67 | static_cast<VideoRtpReceiver*>(receiver->internal()) |
| 68 | ->SetChannel(static_cast<cricket::VideoChannel*>(channel)); |
| 69 | } |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | void RtpTransceiver::AddSender( |
| 74 | rtc::scoped_refptr<RtpSenderProxyWithInternal<RtpSenderInternal>> sender) { |
| 75 | RTC_DCHECK(!unified_plan_); |
| 76 | RTC_DCHECK(sender); |
| 77 | RTC_DCHECK_EQ(media_type(), sender->internal()->media_type()); |
| 78 | RTC_DCHECK(std::find(senders_.begin(), senders_.end(), sender) == |
| 79 | senders_.end()); |
| 80 | senders_.push_back(sender); |
| 81 | } |
| 82 | |
| 83 | bool RtpTransceiver::RemoveSender(RtpSenderInterface* sender) { |
| 84 | RTC_DCHECK(!unified_plan_); |
| 85 | if (sender) { |
| 86 | RTC_DCHECK_EQ(media_type(), sender->media_type()); |
| 87 | } |
| 88 | auto it = std::find(senders_.begin(), senders_.end(), sender); |
| 89 | if (it == senders_.end()) { |
| 90 | return false; |
| 91 | } |
| 92 | (*it)->internal()->Stop(); |
| 93 | senders_.erase(it); |
| 94 | return true; |
| 95 | } |
| 96 | |
| 97 | void RtpTransceiver::AddReceiver( |
| 98 | rtc::scoped_refptr<RtpReceiverProxyWithInternal<RtpReceiverInternal>> |
| 99 | receiver) { |
| 100 | RTC_DCHECK(!unified_plan_); |
| 101 | RTC_DCHECK(receiver); |
| 102 | RTC_DCHECK_EQ(media_type(), receiver->internal()->media_type()); |
| 103 | RTC_DCHECK(std::find(receivers_.begin(), receivers_.end(), receiver) == |
| 104 | receivers_.end()); |
| 105 | receivers_.push_back(receiver); |
| 106 | } |
| 107 | |
| 108 | bool RtpTransceiver::RemoveReceiver(RtpReceiverInterface* receiver) { |
| 109 | RTC_DCHECK(!unified_plan_); |
| 110 | if (receiver) { |
| 111 | RTC_DCHECK_EQ(media_type(), receiver->media_type()); |
| 112 | } |
| 113 | auto it = std::find(receivers_.begin(), receivers_.end(), receiver); |
| 114 | if (it == receivers_.end()) { |
| 115 | return false; |
| 116 | } |
| 117 | (*it)->internal()->Stop(); |
| 118 | receivers_.erase(it); |
| 119 | return true; |
| 120 | } |
| 121 | |
Steve Anton | f9381f0 | 2017-12-14 10:23:57 -0800 | [diff] [blame] | 122 | rtc::scoped_refptr<RtpSenderInternal> RtpTransceiver::sender_internal() const { |
| 123 | RTC_DCHECK(unified_plan_); |
| 124 | RTC_CHECK_EQ(1u, senders_.size()); |
| 125 | return senders_[0]->internal(); |
| 126 | } |
| 127 | |
| 128 | rtc::scoped_refptr<RtpReceiverInternal> RtpTransceiver::receiver_internal() |
| 129 | const { |
| 130 | RTC_DCHECK(unified_plan_); |
| 131 | RTC_CHECK_EQ(1u, receivers_.size()); |
| 132 | return receivers_[0]->internal(); |
| 133 | } |
| 134 | |
Steve Anton | 6e634bf | 2017-11-13 10:44:53 -0800 | [diff] [blame] | 135 | rtc::Optional<std::string> RtpTransceiver::mid() const { |
| 136 | return mid_; |
| 137 | } |
| 138 | |
| 139 | rtc::scoped_refptr<RtpSenderInterface> RtpTransceiver::sender() const { |
| 140 | RTC_DCHECK(unified_plan_); |
| 141 | RTC_CHECK_EQ(1u, senders_.size()); |
| 142 | return senders_[0]; |
| 143 | } |
| 144 | |
| 145 | rtc::scoped_refptr<RtpReceiverInterface> RtpTransceiver::receiver() const { |
| 146 | RTC_DCHECK(unified_plan_); |
| 147 | RTC_CHECK_EQ(1u, receivers_.size()); |
| 148 | return receivers_[0]; |
| 149 | } |
| 150 | |
Steve Anton | dcc3c02 | 2017-12-22 16:02:54 -0800 | [diff] [blame^] | 151 | void RtpTransceiver::set_current_direction(RtpTransceiverDirection direction) { |
| 152 | current_direction_ = direction; |
| 153 | if (RtpTransceiverDirectionHasSend(*current_direction_)) { |
| 154 | has_ever_been_used_to_send_ = true; |
| 155 | } |
| 156 | } |
| 157 | |
Steve Anton | 6e634bf | 2017-11-13 10:44:53 -0800 | [diff] [blame] | 158 | bool RtpTransceiver::stopped() const { |
| 159 | return stopped_; |
| 160 | } |
| 161 | |
| 162 | RtpTransceiverDirection RtpTransceiver::direction() const { |
| 163 | return direction_; |
| 164 | } |
| 165 | |
| 166 | void RtpTransceiver::SetDirection(RtpTransceiverDirection new_direction) { |
| 167 | // TODO(steveanton): This should fire OnNegotiationNeeded. |
Steve Anton | dcc3c02 | 2017-12-22 16:02:54 -0800 | [diff] [blame^] | 168 | set_direction(new_direction); |
Steve Anton | 6e634bf | 2017-11-13 10:44:53 -0800 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | rtc::Optional<RtpTransceiverDirection> RtpTransceiver::current_direction() |
| 172 | const { |
| 173 | return current_direction_; |
| 174 | } |
| 175 | |
| 176 | void RtpTransceiver::Stop() { |
| 177 | for (auto sender : senders_) { |
| 178 | sender->internal()->Stop(); |
| 179 | } |
| 180 | for (auto receiver : receivers_) { |
| 181 | receiver->internal()->Stop(); |
| 182 | } |
| 183 | stopped_ = true; |
| 184 | } |
| 185 | |
| 186 | void RtpTransceiver::SetCodecPreferences( |
| 187 | rtc::ArrayView<RtpCodecCapability> codecs) { |
| 188 | // TODO(steveanton): Implement this. |
| 189 | RTC_NOTREACHED() << "Not implemented"; |
| 190 | } |
| 191 | |
| 192 | } // namespace webrtc |