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RTP: Only start gstreamer pipeline once needed

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Marvin W 2021-11-09 22:06:48 +01:00 committed by fiaxh
parent b593aa05ef
commit ea19a9c5cb
1 changed files with 66 additions and 48 deletions
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114
plugins/rtp/src/plugin.vala
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@ -5,10 +5,10 @@ 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; }
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>();
@ -42,18 +42,22 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
if (pause_count < 0) warning("Pause count below zero!");
}
public void startup() {
private void init_device_monitor() {
if (device_monitor != null) return;
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.has_name("pipewire-proplist") && device.has_classes("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));
}
}
private void init_call_pipe() {
if (pipe != null) return;
pipe = new Gst.Pipeline(null);
// RTP
@ -66,7 +70,7 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
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("do-sync-event", true);
rtpbin.@set("drop-on-latency", true);
rtpbin.connect("signal::request-pt-map", request_pt_map, this);
pipe.add(rtpbin);
@ -86,6 +90,20 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
pipe.set_state(Gst.State.PLAYING);
}
private void destroy_call_pipe() {
if (pipe == null) return;
pipe.set_state(Gst.State.NULL);
rtpbin = null;
#if WITH_VOICE_PROCESSOR
echoprobe = null;
#endif
pipe = null;
}
public void startup() {
init_device_monitor();
}
private static Gst.Caps? request_pt_map(Gst.Element rtpbin, uint session, uint pt, Plugin plugin) {
debug("request-pt-map");
return null;
@ -98,7 +116,7 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
uint8 rtpid = (uint8)int.parse(split[3]);
foreach (Stream stream in streams) {
if (stream.rtpid == rtpid) {
stream.on_ssrc_pad_added(split[4], pad);
stream.on_ssrc_pad_added((uint32) split[4].to_uint64(), pad);
}
}
}
@ -137,6 +155,15 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
break;
case Gst.MessageType.STATE_CHANGED:
// Ignore
{
unowned Gst.Structure struc = message.get_structure();
if (struc != null && message.src is Gst.Element) {
Gst.State oldState, newState, pendingState;
message.parse_state_changed(out oldState, out newState, out pendingState);
debug("State of %s changed. Old: %s, New: %s, Pending; %s", ((Gst.Element)message.src).name, @"$oldState", @"$newState", @"$pendingState");
}
}
break;
case Gst.MessageType.STREAM_STATUS:
Gst.StreamStatusType status;
@ -179,51 +206,39 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
}
private bool on_device_monitor_message(Gst.Bus bus, Gst.Message message) {
Gst.Device old_device = null;
Gst.Device device = null;
Device old = null;
Gst.Device? old_gst_device = null;
Gst.Device? gst_device = null;
Device? device = 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));
message.parse_device_added(out gst_device);
if (gst_device.properties.has_name("pipewire-proplist") && gst_device.has_classes("Audio")) return Source.CONTINUE;
if (gst_device.properties.get_string("device.class") == "monitor") return Source.CONTINUE;
if (devices.any_match((it) => it.matches(gst_device))) return Source.CONTINUE;
device = new Device(this, gst_device);
devices.add(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);
message.parse_device_changed(out gst_device, out old_gst_device);
if (gst_device.properties.has_name("pipewire-proplist") && gst_device.has_classes("Audio")) return Source.CONTINUE;
if (gst_device.properties.get_string("device.class") == "monitor") return Source.CONTINUE;
device = devices.first_match((it) => it.matches(old_gst_device));
if (device != null) device.update(gst_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);
message.parse_device_removed(out gst_device);
if (gst_device.properties.has_name("pipewire-proplist") && gst_device.has_classes("Audio")) return Source.CONTINUE;
if (gst_device.properties.get_string("device.class") == "monitor") return Source.CONTINUE;
device = devices.first_match((it) => it.matches(gst_device));
if (device != null) devices.remove(device);
break;
default:
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;
}
devices_changed(device.media, device.is_sink);
}
return Source.CONTINUE;
}
@ -253,6 +268,7 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
// }
public Stream open_stream(Xmpp.Xep.Jingle.Content content) {
init_call_pipe();
var content_params = content.content_params as Xmpp.Xep.JingleRtp.Parameters;
if (content_params == null) return null;
Stream stream;
@ -271,15 +287,15 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
}
public void shutdown() {
device_monitor.stop();
pipe.set_state(Gst.State.NULL);
rtpbin = null;
pipe = null;
if (device_monitor != null) {
device_monitor.stop();
}
destroy_call_pipe();
Gst.deinit();
}
public bool supports(string media) {
if (rtpbin == null) return false;
if (!codec_util.is_element_supported("rtpbin")) return false;
if (media == "audio") {
if (get_devices("audio", false).is_empty) return false;
@ -287,7 +303,7 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
}
if (media == "video") {
if (Gst.ElementFactory.make("gtksink", null) == null) return false;
if (!codec_util.is_element_supported("gtksink")) return false;
if (get_devices("video", false).is_empty) return false;
}
@ -295,6 +311,7 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
}
public VideoCallWidget? create_widget(WidgetType type) {
init_call_pipe();
if (type == WidgetType.GTK) {
return new VideoWidget(this);
}
@ -422,10 +439,11 @@ public class Dino.Plugins.Rtp.Plugin : RootInterface, VideoCallPlugin, Object {
}
}
private void dump_dot() {
public void dump_dot() {
if (pipe == null) return;
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);
print(@"Stored pipe details as $name\n");
}
public void set_pause(Xmpp.Xep.JingleRtp.Stream stream, bool pause) {