mirror of
https://github.com/kunkundi/crossdesk.git
synced 2025-10-26 20:25:34 +08:00
671 lines
22 KiB
C++
671 lines
22 KiB
C++
#include "peer_connection.h"
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#include <regex>
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#include "INIReader.h"
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#include "common.h"
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#include "log.h"
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#include "nlohmann/json.hpp"
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using nlohmann::json;
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PeerConnection::PeerConnection() {}
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PeerConnection::~PeerConnection() {
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if (nv12_data_) {
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delete nv12_data_;
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nv12_data_ = nullptr;
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}
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video_codec_inited_ = false;
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audio_codec_inited_ = false;
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}
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int PeerConnection::Init(PeerConnectionParams params,
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const std::string &user_id) {
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if (inited_) {
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LOG_INFO("Peer already inited");
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return 0;
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}
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// Todo: checkout user_id unique or not
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user_id_ = user_id;
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if (params.use_cfg_file) {
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INIReader reader(params.cfg_path);
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cfg_signal_server_ip_ = reader.Get("signal server", "ip", "-1");
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cfg_signal_server_port_ = reader.Get("signal server", "port", "-1");
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cfg_stun_server_ip_ = reader.Get("stun server", "ip", "-1");
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cfg_stun_server_port_ = reader.Get("stun server", "port", "-1");
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cfg_turn_server_ip_ = reader.Get("turn server", "ip", "");
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cfg_turn_server_port_ = reader.Get("turn server", "port", "-1");
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cfg_turn_server_username_ = reader.Get("turn server", "username", "");
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cfg_turn_server_password_ = reader.Get("turn server", "password", "");
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cfg_hardware_acceleration_ =
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reader.Get("hardware acceleration", "turn_on", "false");
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cfg_av1_encoding_ = reader.Get("av1 encoding", "turn_on", "false");
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std::regex regex("\n");
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signal_server_port_ = stoi(cfg_signal_server_port_);
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stun_server_port_ = stoi(cfg_stun_server_port_);
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turn_server_port_ = stoi(cfg_turn_server_port_);
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hardware_acceleration_ =
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cfg_hardware_acceleration_ == "true" ? true : false;
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av1_encoding_ = cfg_av1_encoding_ == "true" ? true : false;
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} else {
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cfg_signal_server_ip_ = params.signal_server_ip;
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signal_server_port_ = params.signal_server_port;
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cfg_stun_server_ip_ = params.stun_server_ip;
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stun_server_port_ = params.stun_server_port;
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cfg_turn_server_ip_ = params.turn_server_ip;
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turn_server_port_ = params.turn_server_port;
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cfg_turn_server_username_ = params.turn_server_username;
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cfg_turn_server_password_ = params.turn_server_password;
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hardware_acceleration_ = params.hardware_acceleration;
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av1_encoding_ = params.av1_encoding;
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cfg_signal_server_port_ = std::to_string(signal_server_port_);
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cfg_stun_server_port_ = std::to_string(stun_server_port_);
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cfg_turn_server_port_ = std::to_string(turn_server_port_);
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}
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LOG_INFO("Read config success, use configure file [{}]", params.use_cfg_file);
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LOG_INFO("Signal server ip [{}] port [{}]", cfg_signal_server_ip_,
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cfg_signal_server_port_);
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LOG_INFO("Stun server ip [{}] port [{}]", cfg_stun_server_ip_,
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cfg_stun_server_port_);
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if (!cfg_turn_server_ip_.empty() && 0 != turn_server_port_ &&
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!cfg_turn_server_username_.empty() &&
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!cfg_turn_server_password_.empty()) {
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LOG_INFO("Turn server ip [{}] port [{}] username [{}] password [{}]",
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cfg_turn_server_ip_, turn_server_port_, cfg_turn_server_username_,
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cfg_turn_server_password_);
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}
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LOG_INFO("Hardware accelerated codec [{}]",
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hardware_acceleration_ ? "ON" : "OFF");
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LOG_INFO("AV1 encoding [{}]", av1_encoding_ ? "ON" : "OFF");
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on_receive_video_buffer_ = params.on_receive_video_buffer;
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on_receive_audio_buffer_ = params.on_receive_audio_buffer;
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on_receive_data_buffer_ = params.on_receive_data_buffer;
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on_signal_status_ = params.on_signal_status;
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on_connection_status_ = params.on_connection_status;
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net_status_report_ = params.net_status_report;
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user_data_ = params.user_data;
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on_receive_ws_msg_ = [this](const std::string &msg) { ProcessSignal(msg); };
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on_ws_status_ = [this](WsStatus ws_status) {
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if (WsStatus::WsOpening == ws_status) {
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signal_status_ = SignalStatus::SignalConnecting;
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on_signal_status_(SignalStatus::SignalConnecting, user_data_);
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} else if (WsStatus::WsOpened == ws_status) {
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signal_status_ = SignalStatus::SignalConnected;
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on_signal_status_(SignalStatus::SignalConnected, user_data_);
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} else if (WsStatus::WsFailed == ws_status) {
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signal_status_ = SignalStatus::SignalFailed;
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on_signal_status_(SignalStatus::SignalFailed, user_data_);
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} else if (WsStatus::WsClosed == ws_status) {
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signal_status_ = SignalStatus::SignalClosed;
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on_signal_status_(SignalStatus::SignalClosed, user_data_);
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} else if (WsStatus::WsReconnecting == ws_status) {
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signal_status_ = SignalStatus::SignalReconnecting;
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on_signal_status_(SignalStatus::SignalReconnecting, user_data_);
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}
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};
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on_receive_video_ = [this](const char *data, size_t size, const char *user_id,
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size_t user_id_size) {
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int num_frame_returned = video_decoder_->Decode(
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(uint8_t *)data, size,
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[this, user_id, user_id_size](VideoFrame video_frame) {
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if (on_receive_video_buffer_) {
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on_receive_video_buffer_((const char *)video_frame.Buffer(),
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video_frame.Size(), user_id, user_id_size,
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user_data_);
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}
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});
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};
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on_receive_audio_ = [this](const char *data, size_t size, const char *user_id,
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size_t user_id_size) {
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int num_frame_returned = audio_decoder_->Decode(
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(uint8_t *)data, size,
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[this, user_id, user_id_size](uint8_t *data, int size) {
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if (on_receive_audio_buffer_) {
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on_receive_audio_buffer_((const char *)data, size, user_id,
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user_id_size, user_data_);
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}
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});
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};
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on_receive_data_ = [this](const char *data, size_t size, const char *user_id,
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size_t user_id_size) {
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if (on_receive_data_buffer_) {
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on_receive_data_buffer_(data, size, user_id, user_id_size, user_data_);
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}
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};
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on_ice_status_change_ = [this](std::string ice_status) {
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if ("connecting" == ice_status) {
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on_connection_status_(ConnectionStatus::Connecting, user_data_);
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} else if ("disconnected" == ice_status) {
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on_connection_status_(ConnectionStatus::Disconnected, user_data_);
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} else if ("ready" == ice_status) {
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ice_ready_ = true;
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on_connection_status_(ConnectionStatus::Connected, user_data_);
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b_force_i_frame_ = true;
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LOG_INFO("Ice finish");
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} else if ("closed" == ice_status) {
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ice_ready_ = false;
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on_connection_status_(ConnectionStatus::Closed, user_data_);
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LOG_INFO("Ice closed");
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} else {
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ice_ready_ = false;
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}
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};
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on_net_status_report_ = [this](int TransmissionId,
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IceTransmission::TraversalType mode,
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const unsigned short send,
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const unsigned short receive, void *user_ptr) {
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if (net_status_report_) {
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net_status_report_(atoi(transmission_id_.c_str()), TraversalMode(mode),
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send, receive, user_data_);
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}
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};
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ws_transport_ =
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std::make_shared<WsTransmission>(on_receive_ws_msg_, on_ws_status_);
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uri_ = "ws://" + cfg_signal_server_ip_ + ":" + cfg_signal_server_port_;
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if (ws_transport_) {
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ws_transport_->Connect(uri_);
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}
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// do {
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// } while (SignalStatus::SignalConnected != GetSignalStatus());
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nv12_data_ = new char[1280 * 720 * 3 / 2];
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// if (0 != CreateVideoCodec(hardware_acceleration_)) {
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// LOG_ERROR("Create video codec failed");
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// return -1;
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// }
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// if (0 != CreateAudioCodec()) {
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// LOG_ERROR("Create audio codec failed");
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// return -1;
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// }
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inited_ = true;
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return 0;
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}
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int PeerConnection::CreateVideoCodec(bool hardware_acceleration) {
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if (video_codec_inited_) {
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return 0;
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}
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hardware_acceleration_ = hardware_acceleration;
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#ifdef __APPLE__
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if (hardware_acceleration_) {
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hardware_acceleration_ = false;
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LOG_WARN(
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"MacOS not support hardware acceleration, use default software codec");
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}
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#else
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#endif
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if (av1_encoding_) {
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video_encoder_ = VideoEncoderFactory::CreateVideoEncoder(false, true);
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LOG_INFO("Only support software encoding for AV1");
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} else {
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video_encoder_ =
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VideoEncoderFactory::CreateVideoEncoder(hardware_acceleration_, false);
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if (hardware_acceleration_ && !video_encoder_) {
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LOG_WARN(
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"Hardware accelerated encoder not available, use default software "
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"encoder");
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video_encoder_ = VideoEncoderFactory::CreateVideoEncoder(false, false);
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if (!video_encoder_) {
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LOG_ERROR(
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"Hardware accelerated encoder and software encoder both not "
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"available");
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return -1;
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}
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}
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}
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if (0 != video_encoder_->Init()) {
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video_encoder_ = VideoEncoderFactory::CreateVideoEncoder(false, false);
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if (!video_encoder_ || 0 != video_encoder_->Init()) {
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LOG_ERROR("Encoder init failed");
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return -1;
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}
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}
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if (av1_encoding_) {
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video_decoder_ = VideoDecoderFactory::CreateVideoDecoder(false, true);
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LOG_INFO("Only support software decoding for AV1");
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} else {
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video_decoder_ =
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VideoDecoderFactory::CreateVideoDecoder(hardware_acceleration_, false);
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if (hardware_acceleration_ && !video_decoder_) {
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LOG_WARN(
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"Hardware accelerated decoder not available, use default software "
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"decoder");
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video_decoder_ = VideoDecoderFactory::CreateVideoDecoder(false, false);
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if (!video_decoder_) {
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LOG_ERROR(
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"Hardware accelerated decoder and software decoder both not "
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"available");
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return -1;
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}
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}
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}
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if (0 != video_decoder_->Init()) {
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video_decoder_ = VideoDecoderFactory::CreateVideoDecoder(false, false);
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if (!video_decoder_ || video_decoder_->Init()) {
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LOG_ERROR("Decoder init failed");
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return -1;
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}
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}
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video_codec_inited_ = true;
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return 0;
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}
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int PeerConnection::CreateAudioCodec() {
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if (audio_codec_inited_) {
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return 0;
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}
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audio_encoder_ = std::make_unique<AudioEncoder>(AudioEncoder(48000, 1, 480));
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if (!audio_encoder_ || 0 != audio_encoder_->Init()) {
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LOG_ERROR("Audio encoder init failed");
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return -1;
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}
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audio_decoder_ = std::make_unique<AudioDecoder>(AudioDecoder(48000, 1, 480));
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if (!audio_decoder_ || 0 != audio_decoder_->Init()) {
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LOG_ERROR("Audio decoder init failed");
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return -1;
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}
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audio_codec_inited_ = true;
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return 0;
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}
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int PeerConnection::Create(const std::string &transmission_id,
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const std::string &password) {
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if (SignalStatus::SignalConnected != GetSignalStatus()) {
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LOG_ERROR("Signal not connected");
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return -1;
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}
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int ret = 0;
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password_ = password;
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json message = {{"type", "create_transmission"},
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{"user_id", user_id_},
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{"transmission_id", transmission_id},
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{"password", password}};
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if (ws_transport_) {
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ws_transport_->Send(message.dump());
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LOG_INFO("Send create transmission request, transmission_id [{}]",
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transmission_id);
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}
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return ret;
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}
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int PeerConnection::Join(const std::string &transmission_id,
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const std::string &password) {
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if (SignalStatus::SignalConnected != GetSignalStatus()) {
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LOG_ERROR("Signal not connected");
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return -1;
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}
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int ret = 0;
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password_ = password;
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leave_ = false;
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transmission_id_ = transmission_id;
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ret = RequestTransmissionMemberList(transmission_id_, password);
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return ret;
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}
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int PeerConnection::Leave() {
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if (SignalStatus::SignalConnected != GetSignalStatus()) {
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LOG_ERROR("Signal not connected");
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return -1;
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}
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json message = {{"type", "leave_transmission"},
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{"user_id", user_id_},
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{"transmission_id", transmission_id_}};
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if (ws_transport_) {
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ws_transport_->Send(message.dump());
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LOG_INFO("[{}] sends leave transmission [{}] notification ", user_id_,
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transmission_id_);
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}
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ice_ready_ = false;
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leave_ = true;
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for (auto &user_id_it : ice_transmission_list_) {
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user_id_it.second->DestroyIceTransmission();
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}
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ice_transmission_list_.clear();
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return 0;
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}
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void PeerConnection::ProcessSignal(const std::string &signal) {
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auto j = json::parse(signal);
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std::string type = j["type"];
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// LOG_INFO("signal type: {}", type);
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switch (HASH_STRING_PIECE(type.c_str())) {
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case "ws_connection_id"_H: {
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ws_connection_id_ = j["ws_connection_id"].get<unsigned int>();
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LOG_INFO("Receive local peer websocket connection id [{}]",
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ws_connection_id_);
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break;
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}
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case "transmission_id"_H: {
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if (j["status"].get<std::string>() == "success") {
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transmission_id_ = j["transmission_id"].get<std::string>();
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user_id_ = transmission_id_;
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net_status_report_(atoi(transmission_id_.c_str()),
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TraversalMode::UnknownMode, 0, 0, user_data_);
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LOG_INFO("Create transmission success with id [{}]", transmission_id_);
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} else if (j["status"].get<std::string>() == "fail") {
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LOG_WARN("Create transmission failed with id [{}], due to [{}]",
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transmission_id_, j["reason"].get<std::string>().c_str());
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}
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break;
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}
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case "user_id_list"_H: {
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user_id_list_ = j["user_id_list"];
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std::string transmission_id = j["transmission_id"].get<std::string>();
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std::string status = j["status"].get<std::string>();
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if (status == "failed") {
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std::string reason = j["reason"].get<std::string>();
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LOG_ERROR("{}", reason);
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if ("Incorrect password" == reason) {
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on_connection_status_(ConnectionStatus::IncorrectPassword,
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user_data_);
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} else if ("No such transmission id" == reason) {
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on_connection_status_(ConnectionStatus::NoSuchTransmissionId,
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user_data_);
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}
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} else {
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if (leave_) {
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break;
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}
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if (user_id_list_.empty()) {
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LOG_WARN("Wait for host create transmission [{}]", transmission_id);
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std::this_thread::sleep_for(std::chrono::seconds(1));
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RequestTransmissionMemberList(transmission_id, password_);
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break;
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}
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LOG_INFO("Transmission [{}] members: [", transmission_id);
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for (auto user_id : user_id_list_) {
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LOG_INFO("{}", user_id);
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}
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LOG_INFO("]");
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if (0 != CreateVideoCodec(hardware_acceleration_)) {
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LOG_ERROR("Create video codec failed");
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}
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if (0 != CreateAudioCodec()) {
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LOG_ERROR("Create audio codec failed");
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}
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for (auto &remote_user_id : user_id_list_) {
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// if (remote_user_id == user_id_) {
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// continue;
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// }
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ice_transmission_list_[remote_user_id] =
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std::make_unique<IceTransmission>(
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trickle_ice_, true, transmission_id, user_id_, remote_user_id,
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ws_transport_, on_ice_status_change_);
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ice_transmission_list_[remote_user_id]->SetOnReceiveVideoFunc(
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on_receive_video_);
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ice_transmission_list_[remote_user_id]->SetOnReceiveAudioFunc(
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on_receive_audio_);
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ice_transmission_list_[remote_user_id]->SetOnReceiveDataFunc(
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on_receive_data_);
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ice_transmission_list_[remote_user_id]
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->SetOnReceiveNetStatusReportFunc(on_net_status_report_);
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ice_transmission_list_[remote_user_id]->InitIceTransmission(
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cfg_stun_server_ip_, stun_server_port_, cfg_turn_server_ip_,
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turn_server_port_, cfg_turn_server_username_,
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cfg_turn_server_password_,
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av1_encoding_ ? RtpPacket::AV1 : RtpPacket::H264);
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ice_transmission_list_[remote_user_id]->JoinTransmission();
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}
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// on_connection_status_(ConnectionStatus::Connecting);
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}
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break;
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}
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case "user_leave_transmission"_H: {
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std::string user_id = j["user_id"];
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LOG_INFO("Receive notification: user id [{}] leave transmission",
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user_id);
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auto user_id_it = ice_transmission_list_.find(user_id);
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if (user_id_it != ice_transmission_list_.end()) {
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user_id_it->second->DestroyIceTransmission();
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ice_transmission_list_.erase(user_id_it);
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ice_ready_ = false;
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LOG_INFO("Terminate transmission to user [{}]", user_id);
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}
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break;
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}
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case "offer"_H: {
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std::string transmission_id = j["transmission_id"].get<std::string>();
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std::string remote_user_id = j["remote_user_id"].get<std::string>();
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LOG_INFO("[{}] receive offer from [{}]", user_id_, remote_user_id);
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if (0 != CreateVideoCodec(hardware_acceleration_)) {
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LOG_ERROR("Create video codec failed");
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|
}
|
|
|
|
if (0 != CreateAudioCodec()) {
|
|
LOG_ERROR("Create audio codec failed");
|
|
}
|
|
|
|
ice_transmission_list_[remote_user_id] =
|
|
std::make_unique<IceTransmission>(
|
|
trickle_ice_, false, transmission_id, user_id_, remote_user_id,
|
|
ws_transport_, on_ice_status_change_);
|
|
|
|
ice_transmission_list_[remote_user_id]->SetOnReceiveVideoFunc(
|
|
on_receive_video_);
|
|
ice_transmission_list_[remote_user_id]->SetOnReceiveAudioFunc(
|
|
on_receive_audio_);
|
|
ice_transmission_list_[remote_user_id]->SetOnReceiveDataFunc(
|
|
on_receive_data_);
|
|
ice_transmission_list_[remote_user_id]->SetOnReceiveNetStatusReportFunc(
|
|
on_net_status_report_);
|
|
|
|
ice_transmission_list_[remote_user_id]->InitIceTransmission(
|
|
cfg_stun_server_ip_, stun_server_port_, cfg_turn_server_ip_,
|
|
turn_server_port_, cfg_turn_server_username_,
|
|
cfg_turn_server_password_,
|
|
av1_encoding_ ? RtpPacket::AV1 : RtpPacket::H264);
|
|
ice_transmission_list_[remote_user_id]->SetTransmissionId(
|
|
transmission_id_);
|
|
|
|
if (j.contains("sdp")) {
|
|
on_connection_status_(ConnectionStatus::Connecting, user_data_);
|
|
std::string remote_sdp = j["sdp"].get<std::string>();
|
|
ice_transmission_list_[remote_user_id]->SetRemoteSdp(remote_sdp);
|
|
if (trickle_ice_) {
|
|
sdp_without_cands_ = remote_sdp;
|
|
ice_transmission_list_[remote_user_id]->SendAnswer();
|
|
}
|
|
ice_transmission_list_[remote_user_id]->GatherCandidates();
|
|
} else {
|
|
LOG_ERROR("Invalid offer msg");
|
|
}
|
|
|
|
break;
|
|
}
|
|
case "answer"_H: {
|
|
on_connection_status_(ConnectionStatus::Connecting, user_data_);
|
|
std::string transmission_id = j["transmission_id"].get<std::string>();
|
|
std::string remote_user_id = j["remote_user_id"].get<std::string>();
|
|
if (j.contains("sdp")) {
|
|
std::string remote_sdp = j["sdp"].get<std::string>();
|
|
if (ice_transmission_list_.find(remote_user_id) !=
|
|
ice_transmission_list_.end()) {
|
|
ice_transmission_list_[remote_user_id]->SetRemoteSdp(remote_sdp);
|
|
if (trickle_ice_) {
|
|
sdp_without_cands_ = remote_sdp;
|
|
ice_transmission_list_[remote_user_id]->GatherCandidates();
|
|
}
|
|
}
|
|
} else {
|
|
LOG_ERROR("Invalid answer msg");
|
|
}
|
|
|
|
break;
|
|
}
|
|
case "new_candidate"_H: {
|
|
std::string transmission_id = j["transmission_id"].get<std::string>();
|
|
std::string new_candidate = j["sdp"].get<std::string>();
|
|
std::string remote_user_id = j["remote_user_id"].get<std::string>();
|
|
|
|
// LOG_INFO("[{}] receive new candidate from [{}]:[{}]", user_id_,
|
|
// remote_user_id, new_candidate);
|
|
|
|
if (ice_transmission_list_.find(remote_user_id) !=
|
|
ice_transmission_list_.end()) {
|
|
ice_transmission_list_[remote_user_id]->SetRemoteSdp(
|
|
sdp_without_cands_ + new_candidate);
|
|
}
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int PeerConnection::RequestTransmissionMemberList(
|
|
const std::string &transmission_id, const std::string &password) {
|
|
if (SignalStatus::SignalConnected != GetSignalStatus()) {
|
|
LOG_ERROR("Signal not connected");
|
|
return -1;
|
|
}
|
|
|
|
LOG_INFO("Request member list");
|
|
|
|
json message = {{"type", "query_user_id_list"},
|
|
{"transmission_id", transmission_id_},
|
|
{"password", password}};
|
|
|
|
if (ws_transport_) {
|
|
ws_transport_->Send(message.dump());
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int PeerConnection::Destroy() {
|
|
ice_transmission_list_.clear();
|
|
if (nv12_data_) {
|
|
delete nv12_data_;
|
|
nv12_data_ = nullptr;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
SignalStatus PeerConnection::GetSignalStatus() {
|
|
std::lock_guard<std::mutex> l(signal_status_mutex_);
|
|
return signal_status_;
|
|
}
|
|
|
|
int PeerConnection::SendVideoData(const char *data, size_t size) {
|
|
if (!ice_ready_) {
|
|
return -1;
|
|
}
|
|
|
|
if (ice_transmission_list_.empty()) {
|
|
return -1;
|
|
}
|
|
|
|
if (b_force_i_frame_) {
|
|
video_encoder_->ForceIdr();
|
|
LOG_INFO("Force I frame");
|
|
b_force_i_frame_ = false;
|
|
}
|
|
|
|
int ret = video_encoder_->Encode(
|
|
(uint8_t *)data, size,
|
|
[this](char *encoded_frame, size_t size,
|
|
VideoEncoder::VideoFrameType frame_type) -> int {
|
|
for (auto &ice_trans : ice_transmission_list_) {
|
|
// LOG_ERROR("Send frame size: [{}]", size);
|
|
// ice_trans.second->SendData(IceTransmission::DATA_TYPE::VIDEO,
|
|
// encoded_frame, size);
|
|
ice_trans.second->SendVideoData(
|
|
static_cast<IceTransmission::VideoFrameType>(frame_type),
|
|
encoded_frame, size);
|
|
}
|
|
return 0;
|
|
});
|
|
|
|
if (0 != ret) {
|
|
LOG_ERROR("Encode failed");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int PeerConnection::SendAudioData(const char *data, size_t size) {
|
|
if (!ice_ready_) {
|
|
return -1;
|
|
}
|
|
|
|
if (ice_transmission_list_.empty()) {
|
|
return -1;
|
|
}
|
|
|
|
int ret = audio_encoder_->Encode(
|
|
(uint8_t *)data, size,
|
|
[this](char *encoded_audio_buffer, size_t size) -> int {
|
|
for (auto &ice_trans : ice_transmission_list_) {
|
|
// LOG_ERROR("opus frame size: [{}]", size);
|
|
ice_trans.second->SendData(IceTransmission::DATA_TYPE::AUDIO,
|
|
encoded_audio_buffer, size);
|
|
}
|
|
return 0;
|
|
});
|
|
|
|
return 0;
|
|
}
|
|
|
|
int PeerConnection::SendUserData(const char *data, size_t size) {
|
|
for (auto &ice_trans : ice_transmission_list_) {
|
|
ice_trans.second->SendData(IceTransmission::DATA_TYPE::DATA, data, size);
|
|
}
|
|
return 0;
|
|
} |