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-rw-r--r--modules/webrtc/webrtc_peer_connection_js.cpp253
1 files changed, 39 insertions, 214 deletions
diff --git a/modules/webrtc/webrtc_peer_connection_js.cpp b/modules/webrtc/webrtc_peer_connection_js.cpp
index 593c3a5162..ed3459d5f8 100644
--- a/modules/webrtc/webrtc_peer_connection_js.cpp
+++ b/modules/webrtc/webrtc_peer_connection_js.cpp
@@ -5,8 +5,8 @@
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
-/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
-/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
@@ -34,119 +34,34 @@
#include "webrtc_data_channel_js.h"
-#include "core/io/json.h"
#include "emscripten.h"
-extern "C" {
-EMSCRIPTEN_KEEPALIVE void _emrtc_on_ice_candidate(void *obj, char *p_MidName, int p_MlineIndexName, char *p_sdpName) {
- WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(obj);
- peer->emit_signal("ice_candidate_created", String(p_MidName), p_MlineIndexName, String(p_sdpName));
+void WebRTCPeerConnectionJS::_on_ice_candidate(void *p_obj, const char *p_mid_name, int p_mline_idx, const char *p_candidate) {
+ WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
+ peer->emit_signal(SNAME("ice_candidate_created"), String(p_mid_name), p_mline_idx, String(p_candidate));
}
-EMSCRIPTEN_KEEPALIVE void _emrtc_session_description_created(void *obj, char *p_type, char *p_offer) {
- WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(obj);
- peer->emit_signal("session_description_created", String(p_type), String(p_offer));
+void WebRTCPeerConnectionJS::_on_session_created(void *p_obj, const char *p_type, const char *p_session) {
+ WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
+ peer->emit_signal(SNAME("session_description_created"), String(p_type), String(p_session));
}
-EMSCRIPTEN_KEEPALIVE void _emrtc_on_connection_state_changed(void *obj) {
- WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(obj);
- peer->_on_connection_state_changed();
+void WebRTCPeerConnectionJS::_on_connection_state_changed(void *p_obj, int p_state) {
+ WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
+ peer->_conn_state = (ConnectionState)p_state;
}
-EMSCRIPTEN_KEEPALIVE void _emrtc_on_error() {
+void WebRTCPeerConnectionJS::_on_error(void *p_obj) {
ERR_PRINT("RTCPeerConnection error!");
}
-EMSCRIPTEN_KEEPALIVE void _emrtc_emit_channel(void *obj, int p_id) {
- WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(obj);
- peer->emit_signal("data_channel_received", Ref<WebRTCDataChannelJS>(new WebRTCDataChannelJS(p_id)));
-}
-}
-
-void _emrtc_create_pc(int p_id, const Dictionary &p_config) {
- String config = JSON::print(p_config);
- /* clang-format off */
- EM_ASM({
- var dict = Module.IDHandler.get($0);
- var c_ptr = dict["ptr"];
- var config = JSON.parse(UTF8ToString($1));
- // Setup local connaction
- var conn = null;
- try {
- conn = new RTCPeerConnection(config);
- } catch (e) {
- console.log(e);
- return;
- }
- conn.oniceconnectionstatechange = function(event) {
- if (!Module.IDHandler.get($0)) return;
- ccall("_emrtc_on_connection_state_changed", "void", ["number"], [c_ptr]);
- };
- conn.onicecandidate = function(event) {
- if (!Module.IDHandler.get($0)) return;
- if (!event.candidate) return;
-
- var c = event.candidate;
- // should emit on ice candidate
- ccall("_emrtc_on_ice_candidate",
- "void",
- ["number", "string", "number", "string"],
- [c_ptr, c.sdpMid, c.sdpMLineIndex, c.candidate]
- );
- };
- conn.ondatachannel = function (evt) {
- var dict = Module.IDHandler.get($0);
- if (!dict) {
- return;
- }
- var id = Module.IDHandler.add({"channel": evt.channel, "ptr": null});
- ccall("_emrtc_emit_channel",
- "void",
- ["number", "number"],
- [c_ptr, id]
- );
- };
- dict["conn"] = conn;
- }, p_id, config.utf8().get_data());
- /* clang-format on */
-}
-
-void WebRTCPeerConnectionJS::_on_connection_state_changed() {
- /* clang-format off */
- _conn_state = (ConnectionState)EM_ASM_INT({
- var dict = Module.IDHandler.get($0);
- if (!dict) return 5; // CLOSED
- var conn = dict["conn"];
- switch(conn.iceConnectionState) {
- case "new":
- return 0;
- case "checking":
- return 1;
- case "connected":
- case "completed":
- return 2;
- case "disconnected":
- return 3;
- case "failed":
- return 4;
- case "closed":
- return 5;
- }
- return 5; // CLOSED
- }, _js_id);
- /* clang-format on */
+void WebRTCPeerConnectionJS::_on_data_channel(void *p_obj, int p_id) {
+ WebRTCPeerConnectionJS *peer = static_cast<WebRTCPeerConnectionJS *>(p_obj);
+ peer->emit_signal(SNAME("data_channel_received"), Ref<WebRTCDataChannelJS>(new WebRTCDataChannelJS(p_id)));
}
void WebRTCPeerConnectionJS::close() {
- /* clang-format off */
- EM_ASM({
- var dict = Module.IDHandler.get($0);
- if (!dict) return;
- if (dict["conn"]) {
- dict["conn"].close();
- }
- }, _js_id);
- /* clang-format on */
+ godot_js_rtc_pc_close(_js_id);
_conn_state = STATE_CLOSED;
}
@@ -154,46 +69,12 @@ Error WebRTCPeerConnectionJS::create_offer() {
ERR_FAIL_COND_V(_conn_state != STATE_NEW, FAILED);
_conn_state = STATE_CONNECTING;
- /* clang-format off */
- EM_ASM({
- var dict = Module.IDHandler.get($0);
- var conn = dict["conn"];
- var c_ptr = dict["ptr"];
- var onError = function(error) {
- console.error(error);
- ccall("_emrtc_on_error", "void", [], []);
- };
- var onCreated = function(offer) {
- ccall("_emrtc_session_description_created",
- "void",
- ["number", "string", "string"],
- [c_ptr, offer.type, offer.sdp]
- );
- };
- conn.createOffer().then(onCreated).catch(onError);
- }, _js_id);
- /* clang-format on */
+ godot_js_rtc_pc_offer_create(_js_id, this, &_on_session_created, &_on_error);
return OK;
}
Error WebRTCPeerConnectionJS::set_local_description(String type, String sdp) {
- /* clang-format off */
- EM_ASM({
- var dict = Module.IDHandler.get($0);
- var conn = dict["conn"];
- var c_ptr = dict["ptr"];
- var type = UTF8ToString($1);
- var sdp = UTF8ToString($2);
- var onError = function(error) {
- console.error(error);
- ccall("_emrtc_on_error", "void", [], []);
- };
- conn.setLocalDescription({
- "sdp": sdp,
- "type": type
- }).catch(onError);
- }, _js_id, type.utf8().get_data(), sdp.utf8().get_data());
- /* clang-format on */
+ godot_js_rtc_pc_local_description_set(_js_id, type.utf8().get_data(), sdp.utf8().get_data(), this, &_on_error);
return OK;
}
@@ -202,83 +83,32 @@ Error WebRTCPeerConnectionJS::set_remote_description(String type, String sdp) {
ERR_FAIL_COND_V(_conn_state != STATE_NEW, FAILED);
_conn_state = STATE_CONNECTING;
}
- /* clang-format off */
- EM_ASM({
- var dict = Module.IDHandler.get($0);
- var conn = dict["conn"];
- var c_ptr = dict["ptr"];
- var type = UTF8ToString($1);
- var sdp = UTF8ToString($2);
-
- var onError = function(error) {
- console.error(error);
- ccall("_emrtc_on_error", "void", [], []);
- };
- var onCreated = function(offer) {
- ccall("_emrtc_session_description_created",
- "void",
- ["number", "string", "string"],
- [c_ptr, offer.type, offer.sdp]
- );
- };
- var onSet = function() {
- if (type != "offer") {
- return;
- }
- conn.createAnswer().then(onCreated);
- };
- conn.setRemoteDescription({
- "sdp": sdp,
- "type": type
- }).then(onSet).catch(onError);
- }, _js_id, type.utf8().get_data(), sdp.utf8().get_data());
- /* clang-format on */
+ godot_js_rtc_pc_remote_description_set(_js_id, type.utf8().get_data(), sdp.utf8().get_data(), this, &_on_session_created, &_on_error);
return OK;
}
Error WebRTCPeerConnectionJS::add_ice_candidate(String sdpMidName, int sdpMlineIndexName, String sdpName) {
- /* clang-format off */
- EM_ASM({
- var dict = Module.IDHandler.get($0);
- var conn = dict["conn"];
- var c_ptr = dict["ptr"];
- var sdpMidName = UTF8ToString($1);
- var sdpMlineIndexName = UTF8ToString($2);
- var sdpName = UTF8ToString($3);
- conn.addIceCandidate(new RTCIceCandidate({
- "candidate": sdpName,
- "sdpMid": sdpMidName,
- "sdpMlineIndex": sdpMlineIndexName
- }));
- }, _js_id, sdpMidName.utf8().get_data(), sdpMlineIndexName, sdpName.utf8().get_data());
- /* clang-format on */
+ godot_js_rtc_pc_ice_candidate_add(_js_id, sdpMidName.utf8().get_data(), sdpMlineIndexName, sdpName.utf8().get_data());
return OK;
}
Error WebRTCPeerConnectionJS::initialize(Dictionary p_config) {
- _emrtc_create_pc(_js_id, p_config);
- return OK;
+ if (_js_id) {
+ godot_js_rtc_pc_destroy(_js_id);
+ _js_id = 0;
+ }
+ _conn_state = STATE_NEW;
+
+ String config = Variant(p_config).to_json_string();
+ _js_id = godot_js_rtc_pc_create(config.utf8().get_data(), this, &_on_connection_state_changed, &_on_ice_candidate, &_on_data_channel);
+ return _js_id ? OK : FAILED;
}
Ref<WebRTCDataChannel> WebRTCPeerConnectionJS::create_data_channel(String p_channel, Dictionary p_channel_config) {
- String config = JSON::print(p_channel_config);
- /* clang-format off */
- int id = EM_ASM_INT({
- try {
- var dict = Module.IDHandler.get($0);
- if (!dict) return 0;
- var label = UTF8ToString($1);
- var config = JSON.parse(UTF8ToString($2));
- var conn = dict["conn"];
- return Module.IDHandler.add({
- "channel": conn.createDataChannel(label, config),
- "ptr": null
- })
- } catch (e) {
- return 0;
- }
- }, _js_id, p_channel.utf8().get_data(), config.utf8().get_data());
- /* clang-format on */
+ ERR_FAIL_COND_V(_conn_state != STATE_NEW, nullptr);
+
+ String config = Variant(p_channel_config).to_json_string();
+ int id = godot_js_rtc_pc_datachannel_create(_js_id, p_channel.utf8().get_data(), config.utf8().get_data());
ERR_FAIL_COND_V(id == 0, nullptr);
return memnew(WebRTCDataChannelJS(id));
}
@@ -293,22 +123,17 @@ WebRTCPeerConnection::ConnectionState WebRTCPeerConnectionJS::get_connection_sta
WebRTCPeerConnectionJS::WebRTCPeerConnectionJS() {
_conn_state = STATE_NEW;
+ _js_id = 0;
- /* clang-format off */
- _js_id = EM_ASM_INT({
- return Module.IDHandler.add({"conn": null, "ptr": $0});
- }, this);
- /* clang-format on */
Dictionary config;
- _emrtc_create_pc(_js_id, config);
+ initialize(config);
}
WebRTCPeerConnectionJS::~WebRTCPeerConnectionJS() {
close();
- /* clang-format off */
- EM_ASM({
- Module.IDHandler.remove($0);
- }, _js_id);
- /* clang-format on */
+ if (_js_id) {
+ godot_js_rtc_pc_destroy(_js_id);
+ _js_id = 0;
+ }
};
#endif
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