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/*
* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "media/base/media_channel.h"
namespace cricket {
VideoOptions::VideoOptions()
: content_hint(webrtc::VideoTrackInterface::ContentHint::kNone) {}
VideoOptions::~VideoOptions() = default;
MediaChannel::MediaChannel(const MediaConfig& config)
: enable_dscp_(config.enable_dscp) {}
MediaChannel::MediaChannel() : enable_dscp_(false) {}
MediaChannel::~MediaChannel() {}
void MediaChannel::SetInterface(NetworkInterface* iface) {
webrtc::MutexLock lock(&network_interface_mutex_);
network_interface_ = iface;
UpdateDscp();
}
int MediaChannel::GetRtpSendTimeExtnId() const {
return -1;
}
void MediaChannel::SetFrameEncryptor(
uint32_t ssrc,
rtc::scoped_refptr<webrtc::FrameEncryptorInterface> frame_encryptor) {
// Placeholder should be pure virtual once internal supports it.
}
void MediaChannel::SetFrameDecryptor(
uint32_t ssrc,
rtc::scoped_refptr<webrtc::FrameDecryptorInterface> frame_decryptor) {
// Placeholder should be pure virtual once internal supports it.
}
void MediaChannel::SetVideoCodecSwitchingEnabled(bool enabled) {}
bool MediaChannel::SendPacket(rtc::CopyOnWriteBuffer* packet,
const rtc::PacketOptions& options) {
return DoSendPacket(packet, false, options);
}
bool MediaChannel::SendRtcp(rtc::CopyOnWriteBuffer* packet,
const rtc::PacketOptions& options) {
return DoSendPacket(packet, true, options);
}
int MediaChannel::SetOption(NetworkInterface::SocketType type,
rtc::Socket::Option opt,
int option)
RTC_LOCKS_EXCLUDED(network_interface_mutex_) {
webrtc::MutexLock lock(&network_interface_mutex_);
return SetOptionLocked(type, opt, option);
}
// Corresponds to the SDP attribute extmap-allow-mixed, see RFC8285.
// Set to true if it's allowed to mix one- and two-byte RTP header extensions
// in the same stream. The setter and getter must only be called from
// worker_thread.
void MediaChannel::SetExtmapAllowMixed(bool extmap_allow_mixed) {
extmap_allow_mixed_ = extmap_allow_mixed;
}
bool MediaChannel::ExtmapAllowMixed() const {
return extmap_allow_mixed_;
}
void MediaChannel::SetEncoderToPacketizerFrameTransformer(
uint32_t ssrc,
rtc::scoped_refptr<webrtc::FrameTransformerInterface> frame_transformer) {}
void MediaChannel::SetDepacketizerToDecoderFrameTransformer(
uint32_t ssrc,
rtc::scoped_refptr<webrtc::FrameTransformerInterface> frame_transformer) {}
int MediaChannel::SetOptionLocked(NetworkInterface::SocketType type,
rtc::Socket::Option opt,
int option) {
if (!network_interface_)
return -1;
return network_interface_->SetOption(type, opt, option);
}
bool MediaChannel::DscpEnabled() const {
return enable_dscp_;
}
// This is the DSCP value used for both RTP and RTCP channels if DSCP is
// enabled. It can be changed at any time via |SetPreferredDscp|.
rtc::DiffServCodePoint MediaChannel::PreferredDscp() const {
webrtc::MutexLock lock(&network_interface_mutex_);
return preferred_dscp_;
}
int MediaChannel::SetPreferredDscp(rtc::DiffServCodePoint preferred_dscp) {
webrtc::MutexLock lock(&network_interface_mutex_);
if (preferred_dscp == preferred_dscp_) {
return 0;
}
preferred_dscp_ = preferred_dscp;
return UpdateDscp();
}
int MediaChannel::UpdateDscp() {
rtc::DiffServCodePoint value =
enable_dscp_ ? preferred_dscp_ : rtc::DSCP_DEFAULT;
int ret =
SetOptionLocked(NetworkInterface::ST_RTP, rtc::Socket::OPT_DSCP, value);
if (ret == 0) {
ret = SetOptionLocked(NetworkInterface::ST_RTCP, rtc::Socket::OPT_DSCP,
value);
}
return ret;
}
bool MediaChannel::DoSendPacket(rtc::CopyOnWriteBuffer* packet,
bool rtcp,
const rtc::PacketOptions& options) {
webrtc::MutexLock lock(&network_interface_mutex_);
if (!network_interface_)
return false;
return (!rtcp) ? network_interface_->SendPacket(packet, options)
: network_interface_->SendRtcp(packet, options);
}
MediaSenderInfo::MediaSenderInfo() = default;
MediaSenderInfo::~MediaSenderInfo() = default;
MediaReceiverInfo::MediaReceiverInfo() = default;
MediaReceiverInfo::~MediaReceiverInfo() = default;
VoiceSenderInfo::VoiceSenderInfo() = default;
VoiceSenderInfo::~VoiceSenderInfo() = default;
VoiceReceiverInfo::VoiceReceiverInfo() = default;
VoiceReceiverInfo::~VoiceReceiverInfo() = default;
VideoSenderInfo::VideoSenderInfo() = default;
VideoSenderInfo::~VideoSenderInfo() = default;
VideoReceiverInfo::VideoReceiverInfo() = default;
VideoReceiverInfo::~VideoReceiverInfo() = default;
VoiceMediaInfo::VoiceMediaInfo() = default;
VoiceMediaInfo::~VoiceMediaInfo() = default;
VideoMediaInfo::VideoMediaInfo() = default;
VideoMediaInfo::~VideoMediaInfo() = default;
AudioSendParameters::AudioSendParameters() = default;
AudioSendParameters::~AudioSendParameters() = default;
std::map<std::string, std::string> AudioSendParameters::ToStringMap() const {
auto params = RtpSendParameters<AudioCodec>::ToStringMap();
params["options"] = options.ToString();
return params;
}
cricket::MediaType VoiceMediaChannel::media_type() const {
return cricket::MediaType::MEDIA_TYPE_AUDIO;
}
VideoSendParameters::VideoSendParameters() = default;
VideoSendParameters::~VideoSendParameters() = default;
std::map<std::string, std::string> VideoSendParameters::ToStringMap() const {
auto params = RtpSendParameters<VideoCodec>::ToStringMap();
params["conference_mode"] = (conference_mode ? "yes" : "no");
return params;
}
cricket::MediaType VideoMediaChannel::media_type() const {
return cricket::MediaType::MEDIA_TYPE_VIDEO;
}
} // namespace cricket
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