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@ -10,6 +10,7 @@ |
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#include <thread> |
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#include <utility> |
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#include "CallDevices.h" |
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#include "ChatPage.h" |
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#include "Logging.h" |
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#include "UserSettingsPage.h" |
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@ -29,14 +30,20 @@ extern "C" |
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// https://github.com/vector-im/riot-web/issues/10173
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#define STUN_SERVER "stun://turn.matrix.org:3478"
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Q_DECLARE_METATYPE(webrtc::CallType) |
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Q_DECLARE_METATYPE(webrtc::State) |
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using webrtc::CallType; |
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using webrtc::State; |
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WebRTCSession::WebRTCSession() |
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: QObject() |
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, devices_(CallDevices::instance()) |
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{ |
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qRegisterMetaType<webrtc::CallType>(); |
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qmlRegisterUncreatableMetaObject( |
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webrtc::staticMetaObject, "im.nheko", 1, 0, "CallType", "Can't instantiate enum"); |
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qRegisterMetaType<webrtc::State>(); |
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qmlRegisterUncreatableMetaObject( |
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webrtc::staticMetaObject, "im.nheko", 1, 0, "WebRTCState", "Can't instantiate enum"); |
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@ -455,6 +462,7 @@ linkNewPad(GstElement *decodebin, GstPad *newpad, GstElement *pipe) |
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nhlog::ui()->info("WebRTC: incoming video resolution: {}x{}", |
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videoCallSize.first, |
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videoCallSize.second); |
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if (session->callType() == CallType::VIDEO) |
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addCameraView(pipe, videoCallSize); |
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} else { |
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g_free(mediaType); |
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@ -467,7 +475,7 @@ linkNewPad(GstElement *decodebin, GstPad *newpad, GstElement *pipe) |
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if (GST_PAD_LINK_FAILED(gst_pad_link(newpad, queuepad))) |
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nhlog::ui()->error("WebRTC: unable to link new pad"); |
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else { |
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if (!session->isVideo() || |
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if (session->callType() == CallType::VOICE || |
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(haveAudioStream_ && |
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(haveVideoStream_ || session->isRemoteVideoRecvOnly()))) { |
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emit session->stateChanged(State::CONNECTED); |
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@ -523,14 +531,17 @@ getMediaAttributes(const GstSDPMessage *sdp, |
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const char *mediaType, |
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const char *encoding, |
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int &payloadType, |
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bool &recvOnly) |
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bool &recvOnly, |
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bool &sendOnly) |
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{ |
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payloadType = -1; |
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recvOnly = false; |
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sendOnly = false; |
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for (guint mlineIndex = 0; mlineIndex < gst_sdp_message_medias_len(sdp); ++mlineIndex) { |
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const GstSDPMedia *media = gst_sdp_message_get_media(sdp, mlineIndex); |
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if (!std::strcmp(gst_sdp_media_get_media(media), mediaType)) { |
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recvOnly = gst_sdp_media_get_attribute_val(media, "recvonly") != nullptr; |
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sendOnly = gst_sdp_media_get_attribute_val(media, "sendonly") != nullptr; |
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const gchar *rtpval = nullptr; |
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for (guint n = 0; n == 0 || rtpval; ++n) { |
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rtpval = gst_sdp_media_get_attribute_val_n(media, "rtpmap", n); |
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@ -603,11 +614,12 @@ WebRTCSession::havePlugins(bool isVideo, std::string *errorMessage) |
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} |
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bool |
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WebRTCSession::createOffer(bool isVideo) |
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WebRTCSession::createOffer(CallType callType) |
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{ |
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isOffering_ = true; |
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isVideo_ = isVideo; |
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callType_ = callType; |
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isRemoteVideoRecvOnly_ = false; |
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isRemoteVideoSendOnly_ = false; |
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videoItem_ = nullptr; |
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haveAudioStream_ = false; |
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haveVideoStream_ = false; |
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@ -630,8 +642,10 @@ WebRTCSession::acceptOffer(const std::string &sdp) |
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if (state_ != State::DISCONNECTED) |
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return false; |
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callType_ = webrtc::CallType::VOICE; |
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isOffering_ = false; |
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isRemoteVideoRecvOnly_ = false; |
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isRemoteVideoSendOnly_ = false; |
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videoItem_ = nullptr; |
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haveAudioStream_ = false; |
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haveVideoStream_ = false; |
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@ -645,7 +659,8 @@ WebRTCSession::acceptOffer(const std::string &sdp) |
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int opusPayloadType; |
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bool recvOnly; |
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if (getMediaAttributes(offer->sdp, "audio", "opus", opusPayloadType, recvOnly)) { |
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bool sendOnly; |
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if (getMediaAttributes(offer->sdp, "audio", "opus", opusPayloadType, recvOnly, sendOnly)) { |
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if (opusPayloadType == -1) { |
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nhlog::ui()->error("WebRTC: remote audio offer - no opus encoding"); |
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gst_webrtc_session_description_free(offer); |
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@ -658,13 +673,18 @@ WebRTCSession::acceptOffer(const std::string &sdp) |
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} |
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int vp8PayloadType; |
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isVideo_ = |
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getMediaAttributes(offer->sdp, "video", "vp8", vp8PayloadType, isRemoteVideoRecvOnly_); |
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if (isVideo_ && vp8PayloadType == -1) { |
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bool isVideo = getMediaAttributes(offer->sdp, |
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"video", |
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"vp8", |
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vp8PayloadType, |
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isRemoteVideoRecvOnly_, |
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isRemoteVideoSendOnly_); |
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if (isVideo && vp8PayloadType == -1) { |
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nhlog::ui()->error("WebRTC: remote video offer - no vp8 encoding"); |
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gst_webrtc_session_description_free(offer); |
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return false; |
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} |
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callType_ = isVideo ? CallType::VIDEO : CallType::VOICE; |
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if (!startPipeline(opusPayloadType, vp8PayloadType)) { |
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gst_webrtc_session_description_free(offer); |
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@ -695,10 +715,14 @@ WebRTCSession::acceptAnswer(const std::string &sdp) |
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return false; |
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} |
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if (isVideo_) { |
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if (callType_ != CallType::VOICE) { |
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int unused; |
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if (!getMediaAttributes( |
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answer->sdp, "video", "vp8", unused, isRemoteVideoRecvOnly_)) |
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if (!getMediaAttributes(answer->sdp, |
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"video", |
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"vp8", |
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unused, |
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isRemoteVideoRecvOnly_, |
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isRemoteVideoSendOnly_)) |
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isRemoteVideoRecvOnly_ = true; |
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} |
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@ -855,26 +879,28 @@ WebRTCSession::createPipeline(int opusPayloadType, int vp8PayloadType) |
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return false; |
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} |
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return isVideo_ ? addVideoPipeline(vp8PayloadType) : true; |
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return callType_ == CallType::VOICE || isRemoteVideoSendOnly_ |
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? true |
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: addVideoPipeline(vp8PayloadType); |
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} |
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bool |
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WebRTCSession::addVideoPipeline(int vp8PayloadType) |
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{ |
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// allow incoming video calls despite localUser having no webcam
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if (!devices_.haveCamera()) |
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if (callType_ == CallType::VIDEO && !devices_.haveCamera()) |
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return !isOffering_; |
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GstElement *source = nullptr; |
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GstCaps *caps = nullptr; |
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if (callType_ == CallType::VIDEO) { |
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std::pair<int, int> resolution; |
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std::pair<int, int> frameRate; |
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GstDevice *device = devices_.videoDevice(resolution, frameRate); |
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if (!device) |
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return false; |
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GstElement *source = gst_device_create_element(device, nullptr); |
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GstElement *videoconvert = gst_element_factory_make("videoconvert", nullptr); |
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GstElement *capsfilter = gst_element_factory_make("capsfilter", "camerafilter"); |
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GstCaps *caps = gst_caps_new_simple("video/x-raw", |
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source = gst_device_create_element(device, nullptr); |
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caps = gst_caps_new_simple("video/x-raw", |
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"width", |
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G_TYPE_INT, |
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resolution.first, |
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@ -886,8 +912,26 @@ WebRTCSession::addVideoPipeline(int vp8PayloadType) |
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frameRate.first, |
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frameRate.second, |
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nullptr); |
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} else { |
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source = gst_element_factory_make("ximagesrc", nullptr); |
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if (!source) { |
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nhlog::ui()->error("WebRTC: failed to create ximagesrc"); |
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return false; |
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} |
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g_object_set(source, "use-damage", 0, nullptr); |
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g_object_set(source, "xid", 0, nullptr); |
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int frameRate = ChatPage::instance()->userSettings()->screenShareFrameRate(); |
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caps = gst_caps_new_simple( |
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"video/x-raw", "framerate", GST_TYPE_FRACTION, frameRate, 1, nullptr); |
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nhlog::ui()->debug("WebRTC: screen share frame rate: {} fps", frameRate); |
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} |
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GstElement *videoconvert = gst_element_factory_make("videoconvert", nullptr); |
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GstElement *capsfilter = gst_element_factory_make("capsfilter", "camerafilter"); |
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g_object_set(capsfilter, "caps", caps, nullptr); |
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gst_caps_unref(caps); |
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GstElement *tee = gst_element_factory_make("tee", "videosrctee"); |
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GstElement *queue = gst_element_factory_make("queue", nullptr); |
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GstElement *vp8enc = gst_element_factory_make("vp8enc", nullptr); |
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@ -938,14 +982,25 @@ WebRTCSession::addVideoPipeline(int vp8PayloadType) |
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gst_object_unref(webrtcbin); |
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return false; |
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} |
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if (callType_ == CallType::SCREEN && |
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!ChatPage::instance()->userSettings()->screenShareRemoteVideo()) { |
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GArray *transceivers; |
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g_signal_emit_by_name(webrtcbin, "get-transceivers", &transceivers); |
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GstWebRTCRTPTransceiver *transceiver = |
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g_array_index(transceivers, GstWebRTCRTPTransceiver *, 1); |
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transceiver->direction = GST_WEBRTC_RTP_TRANSCEIVER_DIRECTION_SENDONLY; |
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g_array_unref(transceivers); |
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} |
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gst_object_unref(webrtcbin); |
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return true; |
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} |
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bool |
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WebRTCSession::haveLocalVideo() const |
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WebRTCSession::haveLocalCamera() const |
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{ |
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if (isVideo_ && state_ >= State::INITIATED) { |
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if (callType_ == CallType::VIDEO && state_ >= State::INITIATED) { |
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GstElement *tee = gst_bin_get_by_name(GST_BIN(pipe_), "videosrctee"); |
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if (tee) { |
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gst_object_unref(tee); |
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@ -1008,9 +1063,10 @@ WebRTCSession::end() |
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} |
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webrtc_ = nullptr; |
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isVideo_ = false; |
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callType_ = CallType::VOICE; |
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isOffering_ = false; |
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isRemoteVideoRecvOnly_ = false; |
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isRemoteVideoSendOnly_ = false; |
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videoItem_ = nullptr; |
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insetSinkPad_ = nullptr; |
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if (state_ != State::DISCONNECTED) |
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@ -1026,16 +1082,12 @@ WebRTCSession::havePlugins(bool, std::string *) |
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} |
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bool |
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WebRTCSession::haveLocalVideo() const |
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WebRTCSession::haveLocalCamera() const |
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{ |
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return false; |
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} |
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bool |
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WebRTCSession::createOffer(bool) |
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{ |
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return false; |
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} |
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bool WebRTCSession::createOffer(webrtc::CallType) { return false; } |
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bool |
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WebRTCSession::acceptOffer(const std::string &) |
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trilene
4 years ago
