452 lines
17 KiB
Vala
452 lines
17 KiB
Vala
using Gee;
|
|
using Xmpp;
|
|
using Xmpp.Xep;
|
|
|
|
public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
|
|
public Dino.Application app { get; private set; }
|
|
public CodecUtil codec_util { get; private set; }
|
|
public Gst.DeviceMonitor device_monitor { get; private set; }
|
|
public Gst.Pipeline pipe { get; private set; }
|
|
public Gst.Bin rtpbin { get; private set; }
|
|
public Gst.Element echoprobe { get; private set; }
|
|
|
|
private Gee.List<Stream> streams = new ArrayList<Stream>();
|
|
private Gee.List<Device> devices = new ArrayList<Device>();
|
|
// private Gee.List<Participant> participants = new ArrayList<Participant>();
|
|
|
|
public void registered(Dino.Application app) {
|
|
this.app = app;
|
|
this.codec_util = new CodecUtil();
|
|
app.startup.connect(startup);
|
|
app.add_option_group(Gst.init_get_option_group());
|
|
app.stream_interactor.module_manager.initialize_account_modules.connect((account, list) => {
|
|
list.add(new Module(this));
|
|
});
|
|
app.plugin_registry.video_call_plugin = this;
|
|
}
|
|
|
|
private int pause_count = 0;
|
|
public void pause() {
|
|
// if (pause_count == 0) {
|
|
// debug("Pausing pipe for modifications");
|
|
// pipe.set_state(Gst.State.PAUSED);
|
|
// }
|
|
pause_count++;
|
|
}
|
|
public void unpause() {
|
|
pause_count--;
|
|
if (pause_count == 0) {
|
|
debug("Continue pipe after modifications");
|
|
pipe.set_state(Gst.State.PLAYING);
|
|
}
|
|
if (pause_count < 0) warning("Pause count below zero!");
|
|
}
|
|
|
|
public void startup() {
|
|
device_monitor = new Gst.DeviceMonitor();
|
|
device_monitor.show_all = true;
|
|
device_monitor.get_bus().add_watch(Priority.DEFAULT, on_device_monitor_message);
|
|
device_monitor.start();
|
|
foreach (Gst.Device device in device_monitor.get_devices()) {
|
|
if (device.properties.has_name("pipewire-proplist") && device.device_class.has_prefix("Audio/")) continue;
|
|
if (device.properties.get_string("device.class") == "monitor") continue;
|
|
if (devices.any_match((it) => it.matches(device))) continue;
|
|
devices.add(new Device(this, device));
|
|
}
|
|
|
|
pipe = new Gst.Pipeline(null);
|
|
|
|
// RTP
|
|
rtpbin = Gst.ElementFactory.make("rtpbin", null) as Gst.Bin;
|
|
if (rtpbin == null) {
|
|
warning("RTP not supported");
|
|
pipe = null;
|
|
return;
|
|
}
|
|
rtpbin.pad_added.connect(on_rtp_pad_added);
|
|
rtpbin.@set("latency", 100);
|
|
rtpbin.@set("do-lost", true);
|
|
rtpbin.@set("do-sync-event", true);
|
|
rtpbin.@set("drop-on-latency", true);
|
|
rtpbin.connect("signal::request-pt-map", request_pt_map, this);
|
|
pipe.add(rtpbin);
|
|
|
|
// Audio echo probe
|
|
echoprobe = Gst.ElementFactory.make("webrtcechoprobe", "echo-probe");
|
|
if (echoprobe != null) pipe.add(echoprobe);
|
|
|
|
// Pipeline
|
|
pipe.auto_flush_bus = true;
|
|
pipe.bus.add_watch(GLib.Priority.DEFAULT, (_, message) => {
|
|
on_pipe_bus_message(message);
|
|
return true;
|
|
});
|
|
pipe.set_state(Gst.State.PLAYING);
|
|
}
|
|
|
|
private static Gst.Caps? request_pt_map(Gst.Element rtpbin, uint session, uint pt, Plugin plugin) {
|
|
debug("request-pt-map");
|
|
return null;
|
|
}
|
|
|
|
private void on_rtp_pad_added(Gst.Pad pad) {
|
|
debug("pad added: %s", pad.name);
|
|
if (pad.name.has_prefix("recv_rtp_src_")) {
|
|
string[] split = pad.name.split("_");
|
|
uint8 rtpid = (uint8)int.parse(split[3]);
|
|
foreach (Stream stream in streams) {
|
|
if (stream.rtpid == rtpid) {
|
|
stream.on_ssrc_pad_added(split[4], pad);
|
|
}
|
|
}
|
|
}
|
|
if (pad.name.has_prefix("send_rtp_src_")) {
|
|
string[] split = pad.name.split("_");
|
|
uint8 rtpid = (uint8)int.parse(split[3]);
|
|
debug("pad %s for stream %hhu", pad.name, rtpid);
|
|
foreach (Stream stream in streams) {
|
|
if (stream.rtpid == rtpid) {
|
|
stream.on_send_rtp_src_added(pad);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void on_pipe_bus_message(Gst.Message message) {
|
|
switch (message.type) {
|
|
case Gst.MessageType.ERROR:
|
|
Error error;
|
|
string str;
|
|
message.parse_error(out error, out str);
|
|
warning("Error in pipeline: %s", error.message);
|
|
debug(str);
|
|
break;
|
|
case Gst.MessageType.WARNING:
|
|
Error error;
|
|
string str;
|
|
message.parse_warning(out error, out str);
|
|
warning("Warning in pipeline: %s", error.message);
|
|
debug(str);
|
|
break;
|
|
case Gst.MessageType.CLOCK_LOST:
|
|
debug("Clock lost. Restarting");
|
|
pipe.set_state(Gst.State.READY);
|
|
pipe.set_state(Gst.State.PLAYING);
|
|
break;
|
|
case Gst.MessageType.STATE_CHANGED:
|
|
Gst.State new_state;
|
|
message.parse_state_changed(null, out new_state, null);
|
|
if (message.src is Gst.Element) {
|
|
debug("%s changed state to %s", ((Gst.Element)message.src).name, new_state.to_string());
|
|
}
|
|
break;
|
|
case Gst.MessageType.STREAM_STATUS:
|
|
Gst.StreamStatusType status;
|
|
Gst.Element owner;
|
|
message.parse_stream_status(out status, out owner);
|
|
if (owner != null) {
|
|
debug("%s stream changed status to %s", owner.name, status.to_string());
|
|
}
|
|
break;
|
|
case Gst.MessageType.ELEMENT:
|
|
unowned Gst.Structure struc = message.get_structure();
|
|
if (struc != null && message.src is Gst.Element) {
|
|
debug("Message from %s in pipeline: %s", ((Gst.Element)message.src).name, struc.to_string());
|
|
}
|
|
break;
|
|
case Gst.MessageType.NEW_CLOCK:
|
|
debug("New clock.");
|
|
break;
|
|
case Gst.MessageType.TAG:
|
|
// Ignore
|
|
break;
|
|
case Gst.MessageType.QOS:
|
|
// Ignore
|
|
break;
|
|
case Gst.MessageType.LATENCY:
|
|
if (message.src != null && message.src.name != null && message.src is Gst.Element) {
|
|
Gst.Query latency_query = new Gst.Query.latency();
|
|
if (((Gst.Element)message.src).query(latency_query)) {
|
|
bool live;
|
|
Gst.ClockTime min_latency, max_latency;
|
|
latency_query.parse_latency(out live, out min_latency, out max_latency);
|
|
debug("Latency message from %s: live=%s, min_latency=%s, max_latency=%s", message.src.name, live.to_string(), min_latency.to_string(), max_latency.to_string());
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
debug("Pipe bus message: %s", message.type.to_string());
|
|
break;
|
|
}
|
|
}
|
|
|
|
private bool on_device_monitor_message(Gst.Bus bus, Gst.Message message) {
|
|
Gst.Device old_device = null;
|
|
Gst.Device device = null;
|
|
Device old = null;
|
|
switch (message.type) {
|
|
case Gst.MessageType.DEVICE_ADDED:
|
|
message.parse_device_added(out device);
|
|
if (device.properties.has_name("pipewire-proplist") && device.device_class.has_prefix("Audio/")) return Source.CONTINUE;
|
|
if (device.properties.get_string("device.class") == "monitor") return Source.CONTINUE;
|
|
if (devices.any_match((it) => it.matches(device))) return Source.CONTINUE;
|
|
devices.add(new Device(this, device));
|
|
break;
|
|
#if GST_1_16
|
|
case Gst.MessageType.DEVICE_CHANGED:
|
|
message.parse_device_changed(out device, out old_device);
|
|
if (device.properties.has_name("pipewire-proplist") && device.device_class.has_prefix("Audio/")) return Source.CONTINUE;
|
|
if (device.properties.get_string("device.class") == "monitor") return Source.CONTINUE;
|
|
old = devices.first_match((it) => it.matches(old_device));
|
|
if (old != null) old.update(device);
|
|
break;
|
|
#endif
|
|
case Gst.MessageType.DEVICE_REMOVED:
|
|
message.parse_device_removed(out device);
|
|
if (device.properties.has_name("pipewire-proplist") && device.device_class.has_prefix("Audio/")) return Source.CONTINUE;
|
|
if (device.properties.get_string("device.class") == "monitor") return Source.CONTINUE;
|
|
old = devices.first_match((it) => it.matches(device));
|
|
if (old != null) devices.remove(old);
|
|
break;
|
|
}
|
|
if (device != null) {
|
|
switch (device.device_class) {
|
|
case "Audio/Source":
|
|
devices_changed("audio", false);
|
|
break;
|
|
case "Audio/Sink":
|
|
devices_changed("audio", true);
|
|
break;
|
|
case "Video/Source":
|
|
devices_changed("video", false);
|
|
break;
|
|
case "Video/Sink":
|
|
devices_changed("video", true);
|
|
break;
|
|
}
|
|
}
|
|
return Source.CONTINUE;
|
|
}
|
|
|
|
public uint8 next_free_id() {
|
|
uint8 rtpid = 0;
|
|
while (streams.size < 100 && streams.any_match((stream) => stream.rtpid == rtpid)) {
|
|
rtpid++;
|
|
}
|
|
return rtpid;
|
|
}
|
|
|
|
// public Participant get_participant(Jid full_jid, bool self) {
|
|
// foreach (Participant participant in participants) {
|
|
// if (participant.full_jid.equals(full_jid)) {
|
|
// return participant;
|
|
// }
|
|
// }
|
|
// Participant participant;
|
|
// if (self) {
|
|
// participant = new SelfParticipant(pipe, full_jid);
|
|
// } else {
|
|
// participant = new Participant(pipe, full_jid);
|
|
// }
|
|
// participants.add(participant);
|
|
// return participant;
|
|
// }
|
|
|
|
public Stream open_stream(Xmpp.Xep.Jingle.Content content) {
|
|
var content_params = content.content_params as Xmpp.Xep.JingleRtp.Parameters;
|
|
if (content_params == null) return null;
|
|
Stream stream;
|
|
if (content_params.media == "video") {
|
|
stream = new VideoStream(this, content);
|
|
} else {
|
|
stream = new Stream(this, content);
|
|
}
|
|
streams.add(stream);
|
|
return stream;
|
|
}
|
|
|
|
public void close_stream(Stream stream) {
|
|
streams.remove(stream);
|
|
stream.destroy();
|
|
}
|
|
|
|
public void shutdown() {
|
|
device_monitor.stop();
|
|
pipe.set_state(Gst.State.NULL);
|
|
rtpbin = null;
|
|
pipe = null;
|
|
Gst.deinit();
|
|
}
|
|
|
|
public bool supports(string media) {
|
|
if (rtpbin == null) return false;
|
|
|
|
if (media == "audio") {
|
|
if (get_devices("audio", false).is_empty) return false;
|
|
if (get_devices("audio", true).is_empty) return false;
|
|
}
|
|
|
|
if (media == "video") {
|
|
if (Gst.ElementFactory.make("gtksink", null) == null) return false;
|
|
if (get_devices("video", false).is_empty) return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public VideoCallWidget? create_widget(WidgetType type) {
|
|
if (type == WidgetType.GTK) {
|
|
return new VideoWidget(this);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public Gee.List<MediaDevice> get_devices(string media, bool incoming) {
|
|
if (media == "video" && !incoming) {
|
|
return get_video_sources();
|
|
}
|
|
|
|
ArrayList<MediaDevice> result = new ArrayList<MediaDevice>();
|
|
foreach (Device device in devices) {
|
|
if (device.media == media && (incoming && device.is_sink || !incoming && device.is_source)) {
|
|
result.add(device);
|
|
}
|
|
}
|
|
if (media == "audio") {
|
|
// Reorder sources
|
|
result.sort((media_left, media_right) => {
|
|
Device left = media_left as Device;
|
|
Device right = media_right as Device;
|
|
if (left == null) return 1;
|
|
if (right == null) return -1;
|
|
|
|
bool left_is_pipewire = left.device.properties.has_name("pipewire-proplist");
|
|
bool right_is_pipewire = right.device.properties.has_name("pipewire-proplist");
|
|
|
|
bool left_is_default = false;
|
|
left.device.properties.get_boolean("is-default", out left_is_default);
|
|
bool right_is_default = false;
|
|
right.device.properties.get_boolean("is-default", out right_is_default);
|
|
|
|
// Prefer pipewire
|
|
if (left_is_pipewire && !right_is_pipewire) return -1;
|
|
if (right_is_pipewire && !left_is_pipewire) return 1;
|
|
|
|
// Prefer pulse audio default device
|
|
if (left_is_default && !right_is_default) return -1;
|
|
if (right_is_default && !left_is_default) return 1;
|
|
|
|
|
|
return 0;
|
|
});
|
|
}
|
|
return result;
|
|
}
|
|
|
|
public Gee.List<MediaDevice> get_video_sources() {
|
|
ArrayList<MediaDevice> pipewire_devices = new ArrayList<MediaDevice>();
|
|
ArrayList<MediaDevice> other_devices = new ArrayList<MediaDevice>();
|
|
|
|
foreach (Device device in devices) {
|
|
if (device.media != "video") continue;
|
|
if (device.is_sink) continue;
|
|
|
|
bool is_color = false;
|
|
for (int i = 0; i < device.device.caps.get_size(); i++) {
|
|
unowned Gst.Structure structure = device.device.caps.get_structure(i);
|
|
if (structure.has_field("format") && !structure.get_string("format").has_prefix("GRAY")) {
|
|
is_color = true;
|
|
}
|
|
}
|
|
|
|
// Don't allow grey-scale devices
|
|
if (!is_color) continue;
|
|
|
|
if (device.device.properties.has_name("pipewire-proplist")) {
|
|
pipewire_devices.add(device);
|
|
} else {
|
|
other_devices.add(device);
|
|
}
|
|
}
|
|
|
|
// If we have any pipewire devices, present only those. Don't want duplicated devices from pipewire and video for linux.
|
|
ArrayList<MediaDevice> devices = pipewire_devices.size > 0 ? pipewire_devices : other_devices;
|
|
|
|
// Reorder sources
|
|
devices.sort((media_left, media_right) => {
|
|
Device left = media_left as Device;
|
|
Device right = media_right as Device;
|
|
if (left == null) return 1;
|
|
if (right == null) return -1;
|
|
|
|
int left_fps = 0;
|
|
for (int i = 0; i < left.device.caps.get_size(); i++) {
|
|
unowned Gst.Structure structure = left.device.caps.get_structure(i);
|
|
int num = 0, den = 0;
|
|
if (structure.has_field("framerate") && structure.get_fraction("framerate", out num, out den)) left_fps = int.max(left_fps, num / den);
|
|
}
|
|
|
|
int right_fps = 0;
|
|
for (int i = 0; i < left.device.caps.get_size(); i++) {
|
|
unowned Gst.Structure structure = left.device.caps.get_structure(i);
|
|
int num = 0, den = 0;
|
|
if (structure.has_field("framerate") && structure.get_fraction("framerate", out num, out den)) right_fps = int.max(right_fps, num / den);
|
|
}
|
|
|
|
// More FPS is better
|
|
if (left_fps > right_fps) return -1;
|
|
if (right_fps > left_fps) return 1;
|
|
|
|
return 0;
|
|
});
|
|
|
|
return devices;
|
|
}
|
|
|
|
public Device? get_preferred_device(string media, bool incoming) {
|
|
foreach (MediaDevice media_device in get_devices(media, incoming)) {
|
|
Device? device = media_device as Device;
|
|
if (device != null) return device;
|
|
}
|
|
warning("No preferred device for %s %s. Media will not be processed.", incoming ? "incoming" : "outgoing", media);
|
|
return null;
|
|
}
|
|
|
|
public MediaDevice? get_device(Xmpp.Xep.JingleRtp.Stream stream, bool incoming) {
|
|
Stream plugin_stream = stream as Stream;
|
|
if (plugin_stream == null) return null;
|
|
if (incoming) {
|
|
return plugin_stream.output_device ?? get_preferred_device(stream.media, incoming);
|
|
} else {
|
|
return plugin_stream.input_device ?? get_preferred_device(stream.media, incoming);
|
|
}
|
|
}
|
|
|
|
private void dump_dot() {
|
|
string name = @"pipe-$(pipe.clock.get_time())-$(pipe.current_state)";
|
|
Gst.Debug.bin_to_dot_file(pipe, Gst.DebugGraphDetails.ALL, name);
|
|
debug("Stored pipe details as %s", name);
|
|
}
|
|
|
|
public void set_pause(Xmpp.Xep.JingleRtp.Stream stream, bool pause) {
|
|
Stream plugin_stream = stream as Stream;
|
|
if (plugin_stream == null) return;
|
|
if (pause) {
|
|
plugin_stream.pause();
|
|
} else {
|
|
plugin_stream.unpause();
|
|
}
|
|
}
|
|
|
|
public void set_device(Xmpp.Xep.JingleRtp.Stream stream, MediaDevice? device) {
|
|
Device real_device = device as Device;
|
|
Stream plugin_stream = stream as Stream;
|
|
if (real_device == null || plugin_stream == null) return;
|
|
if (real_device.is_source) {
|
|
plugin_stream.input_device = real_device;
|
|
} else if (real_device.is_sink) {
|
|
plugin_stream.output_device = real_device;
|
|
}
|
|
}
|
|
}
|