void InsertReplayGain (Pad pad, bool blocked)
{
lock (pipeline_lock) {
if (rgvolume == null) {
rgvolume = ElementFactory.Make ("rgvolume", "rgvolume");
Add (rgvolume);
rgvolume.SyncStateWithParent ();
visible_sink.SetTarget (rgvolume.GetStaticPad ("sink"));
rgvolume.Link (first);
first = rgvolume;
}
}
visible_sink.SetBlocked (false, (_, __) => { });
}
public static void Main(string[] args)
{
// Initialize GStreamer
Application.Init (ref args);
GtkSharp.GstreamerSharp.ObjectManager.Initialize ();
// Print usage map
Console.WriteLine ("USAGE: Choose one of the following options, then press enter:");
Console.WriteLine (" 'C' to increase contrast, 'c' to decrease contrast");
Console.WriteLine (" 'B' to increase brightness, 'b' to decrease brightness");
Console.WriteLine (" 'H' to increase hue, 'h' to decrease hue");
Console.WriteLine (" 'S' to increase saturation, 's' to decrease saturation");
Console.WriteLine (" 'Q' to quit");
// Build the pipeline
Pipeline = Parse.Launch ("playbin uri=http://docs.gstreamer.com/media/sintel_trailer-480p.webm");
// Add a keyboard watch so we get notified of keystrokes
// Start playing
var ret = Pipeline.SetState (State.Playing);
if (ret == StateChangeReturn.Failure) {
Console.WriteLine ("Unable to set the pipeline to the playing state.");
return;
}
PrintCurrentValues ();
// Create a GLib Main Loop and set it to run
MainLoop = new GLib.MainLoop ();
GLib.Timeout.Add (50, HandleKeyboard);
MainLoop.Run ();
// Free resources
Pipeline.SetState (State.Null);
}
public static void Main(string[] args)
{
ElementFactory selectedFactory = null;
// Initialize GStreamer
Application.Init (ref args);
// Get a list of all visualization plugins
var list = Registry.Get().FeatureFilter (FilterVisFeatures, false);
// Print their names
Console.WriteLine ("Available visualization plugins:");
foreach (var walk in list) {
var factory = (ElementFactory)walk;
var name = factory.Name;
Console.WriteLine(" {0}", name);
if (selectedFactory == null && name.StartsWith ("goom")) {
selectedFactory = factory;
}
}
// Don't use the factory if it's still empty
// e.g. no visualization plugins found
if (selectedFactory == null) {
Console.WriteLine ("No visualization plugins found!");
return;
}
// We have now selected a factory for the visualization element
Console.WriteLine ("Selected '{0}'", selectedFactory.Name);
var visPlugin = selectedFactory.Create ();
if (visPlugin == null)
return;
// Build the pipeline
Pipeline = Parse.Launch ("playbin uri=http://1live.akacast.akamaistream.net/7/706/119434/v1/gnl.akacast.akamaistream.net/1live");
// Set the visualization flag
var flags = (uint)Pipeline ["flags"];
flags |= PlayFlagsVis;
Pipeline ["flags"] = flags;
// set vis plugin for playbin
Pipeline ["vis-plugin"] = visPlugin;
// Start playing
var ret = Pipeline.SetState (State.Playing);
if (ret == StateChangeReturn.Failure) {
Console.WriteLine ("Unable to set the pipeline to the playing state.");
return;
}
// Wait until error or EOS
var bus = Pipeline.Bus;
var msg = bus.TimedPopFiltered (Constants.CLOCK_TIME_NONE, MessageType.Error | MessageType.Eos);
// Free resources
Pipeline.SetState (State.Null);
}
static double Rate; //Current playback rate (can be negative)
#endregion Fields
#region Methods
public static void Main(string[] args)
{
// Initialize GStreamer
Application.Init (ref args);
// Print usage map
Console.WriteLine ("USAGE: Choose one of the following options, then press enter:");
Console.WriteLine (" 'P' to toggle between PAUSE and PLAY");
Console.WriteLine (" 'S' to increase playback speed, 's' to decrease playback speed");
Console.WriteLine (" 'D' to toggle playback direction");
Console.WriteLine (" 'N' to move to next frame (in the current direction, better in PAUSE)");
Console.WriteLine (" 'Q' to quit");
// Build the pipeline
//Pipeline = Parse.Launch ("playbin uri=http://download.blender.org/durian/trailer/sintel_trailer-1080p.mp4");
Pipeline = Parse.Launch ("playbin uri=file:///home/stephan/Downloads/sintel_trailer-1080p.mp4");
// Start playing
var ret = Pipeline.SetState (State.Playing);
if (ret == StateChangeReturn.Failure) {
Console.WriteLine ("Unable to set the pipeline to the playing state.");
return;
}
Playing = true;
Rate = 1.0;
// Process input
HandleKeyboard ();
// Free resources
Pipeline.SetState (State.Null);
}
public static void Main(string[] args)
{
// Initialize GStreamer
Application.Init (ref args);
// Build the pipeline
Pipeline = Parse.Launch ("playbin uri=http://download.blender.org/durian/trailer/sintel_trailer-1080p.mp4");
var bus = Pipeline.Bus;
// Start playing
var ret = Pipeline.SetState (State.Playing);
if (ret == StateChangeReturn.Failure) {
Console.WriteLine ("Unable to set the pipeline to the playing state.");
return;
} else if (ret == StateChangeReturn.NoPreroll) {
IsLive = true;
}
MainLoop = new GLib.MainLoop ();
bus.AddSignalWatch ();
bus.Message += HandleMessage;
MainLoop.Run ();
// Free resources
Pipeline.SetState (State.Null);
}
public bool HandleURI(Element playbin, string uri)
{
// Processes URIs like cdda://<track-number>#<device-node> and overrides
// track transitioning through playbin if playback was already happening
// from the device node by seeking directly to the track since the disc
// is already spinning; playbin doesn't handle CDDA URIs with device nodes
// so we have to handle setting the device property on GstCddaBaseSrc
// through the notify::source signal on playbin
string new_cdda_device;
int p;
if (playbin == null || String.IsNullOrEmpty (uri) || !uri.StartsWith ("cdda://")) {
// Something is hosed or the URI isn't actually CDDA
if (Device != null) {
Log.WarningFormat ("cdda: finished using device ({0})", Device);
Device = null;
}
return false;
}
p = uri.IndexOf ('#');
if (p == -1 || p + 2 > uri.Length) {
// Unset the cached device node if the URI doesn't
// have its own valid device node
Device = null;
Log.WarningFormat ("cdda: invalid device node in URI ({0})", uri);
return false;
}
new_cdda_device = uri.Substring (p + 1);
if (Device == null) {
// If we weren't already playing from a CD, cache the
// device and allow playbin to begin playing it
Device = new_cdda_device;
Log.DebugFormat ("cdda: storing device node for fast seeks ({0})", Device);
return false;
}
if (new_cdda_device == Device) {
// Parse the track number from the URI and seek directly to it
// since we are already playing from the device; prevent playbin
// from stopping/starting the CD, which can take many many seconds
string track_str = uri.Substring (7, p - 7);
int track_num;
int.TryParse (track_str, out track_num);
Log.DebugFormat ("cdda: fast seeking to track on already playing device ({0})", Device);
return SeekToTrack (playbin, track_num);
}
// We were already playing some CD, but switched to a different device node,
// so unset and re-cache the new device node and allow playbin to do its thing
Log.DebugFormat ("cdda: switching devices for CDDA playback (from {0}, to {1})", Device, new_cdda_device);
Device = new_cdda_device;
return false;
}
public static Delegate AddProxySignalDelegate(Element element, string signal,
GLib.DynamicSignalHandler baseHandler, Delegate existingHandler, Delegate addHandler)
{
if(existingHandler == null) {
element.Connect(signal, baseHandler);
}
return Delegate.Combine(existingHandler, addHandler);
}
public void ActivateCurrentMenu(Element playbin)
{
if (Navigation == null) {
FindNavigation (playbin);
}
if (Navigation != null) {
Navigation.SendCommand (NavigationCommand.Activate);
}
}
public static Delegate RemoveProxySignalDelegate(Element element, string signal,
GLib.DynamicSignalHandler baseHandler, Delegate existingHandler, Delegate removeHandler)
{
Delegate temp_delegate = Delegate.Remove(existingHandler, removeHandler);
if(temp_delegate == null) {
element.Disconnect(signal, baseHandler);
}
return temp_delegate;
}
private Element GetDvdSource (Element playbin)
{
Element source = null;
if (playbin == null) {
return null;
}
source = playbin ["source"] as Element;
return source;
}
private CddaBaseSrc GetCddaSource (Element playbin)
{
CddaBaseSrc source = null;
if (playbin == null) {
return null;
}
source = playbin ["source"] as CddaBaseSrc;
return source;
}
public static void Main(string[] args)
{
Loop = new GLib.MainLoop();
Application.Init(ref args);
element = Gst.Parse.ParseLaunch("playbin uri=http://ftp.nluug.nl/ftp/graphics/blender/apricot/trailer/Sintel_Trailer1.1080p.DivX_Plus_HD.mkv");
element.Bus.AddSignalWatch();
element.Bus.Message += Handle;
element.SetState(State.Playing);
Loop.Run();
}
public static void Main(string[] args)
{
// Initialize GTK
Gtk.Application.Init ();
// Initialize Gstreamer
Gst.Application.Init(ref args);
// Create the elements
Playbin = ElementFactory.Make ("playbin", "playbin");
if (Playbin == null) {
Console.WriteLine ("Not all elements could be created");
return;
}
// Set the URI to play.
Playbin ["uri"] = "http://download.blender.org/durian/trailer/sintel_trailer-1080p.mp4";
// Connect to interesting signals in playbin
Playbin.Connect ("video-tags-changed", HandleTags);
Playbin.Connect ("audio-tags-changed", HandleTags);
Playbin.Connect ("text-tags-changed", HandleTags);
// Create the GUI
CreateUI ();
// Instruct the bus to emit signals for each received message, and connect to the interesting signals
var bus = Playbin.Bus;
bus.AddSignalWatch ();
bus.Connect ("message::error", HandleError);
bus.Connect ("message::eos", HandleEos);
bus.Connect ("message::state-changed", HandleStateChanged);
bus.Connect ("message::application", HandleApplication);
// Start playing
var ret = Playbin.SetState (State.Playing);
if (ret == StateChangeReturn.Failure) {
Console.WriteLine ("Unable to set the pipeline to the playing state.");
return;
}
// Register a function that GLib will call every second
GLib.Timeout.Add (1, RefreshUI);
// Start the GTK main loop- We will not regain control until gtk_main_quit is called
Gtk.Application.Run ();
// Free resources
Playbin.SetState (State.Null);
}
public AudioSinkBin (string elementName) : base(elementName)
{
hw_audio_sink = SelectAudioSink ();
Add (hw_audio_sink);
first = hw_audio_sink;
// Our audio sink is a tee, so plugins can attach their own pipelines
audiotee = ElementFactory.Make ("tee", "audiotee") as Tee;
if (audiotee == null) {
Log.Error ("Can not create audio tee!");
} else {
Add (audiotee);
}
volume = FindVolumeProvider (hw_audio_sink);
if (volume != null) {
// If the sink provides its own volume property we assume that it will
// also save that value across program runs. Pulsesink has this behaviour.
VolumeNeedsSaving = false;
} else {
volume = ElementFactory.Make ("volume", "volume");
VolumeNeedsSaving = true;
Add (volume);
volume.Link (hw_audio_sink);
first = volume;
}
equalizer = ElementFactory.Make ("equalizer-10bands", "equalizer-10bands");
if (equalizer != null) {
Element eq_audioconvert = ElementFactory.Make ("audioconvert", "audioconvert");
Element eq_audioconvert2 = ElementFactory.Make ("audioconvert", "audioconvert2");
preamp = ElementFactory.Make ("volume", "preamp");
Add (eq_audioconvert, preamp, equalizer, eq_audioconvert2);
Element.Link (eq_audioconvert, preamp, equalizer, eq_audioconvert2, first);
first = eq_audioconvert;
Log.Debug ("Built and linked Equalizer");
}
// Link the first tee pad to the primary audio sink queue
Pad sinkpad = first.GetStaticPad ("sink");
Pad pad = audiotee.GetRequestPad ("src%d");
audiotee.AllocPad = pad;
pad.Link (sinkpad);
first = audiotee;
visible_sink = new GhostPad ("sink", first.GetStaticPad ("sink"));
AddPad (visible_sink);
}
private void CameraScanWin()
{
Gst.Element e = Gst.ElementFactory.Make ("dshowvideosrc");
Gst.Interfaces.PropertyProbeAdapter ppa = new Gst.Interfaces.PropertyProbeAdapter (e.Handle);
object[] devices = ppa.ProbeAndGetValues ("device-name");
FillCombo (cbxCamera);
foreach (String dev in devices) {
Gst.Caps caps = e.GetStaticPad ("src").Caps;
foreach (Gst.Structure cap in caps) {
if (cap.HasField ("width") && cap.HasField ("height")) {
Gst.GLib.Value s;
int height = 0, width = 0;
s = cap.GetValue ("width");
if (s.Val is int) {
width = (int)s.Val;
}
s = cap.GetValue ("height");
if (s.Val is int) {
height = (int)s.Val;
}
if (width == 320 && height == 240) {
s = cap.GetValue ("framerate");
Gst.Fraction f;
if (s.Val is Gst.FractionRange) {
f = new Gst.FractionRange (s).Max; // ? Min
} else if (s.Val is Gst.Fraction) {
f = new Gst.Fraction (s);
} else if (s.Val is int) {
f = new Gst.Fraction ((int)s.Val, 1);
} else
continue;
cameras [dev] = new GstCapture.cameraDevice (dev, f, width, height);
cbxCamera.AppendText (dev);
}
}
}
}
}
private void MicScan(string source, string devprop )
{
Gst.Element e = Gst.ElementFactory.Make(source);
Gst.Interfaces.PropertyProbeAdapter ppa = new Gst.Interfaces.PropertyProbeAdapter(e.Handle);
object[] devices = ppa.ProbeAndGetValues(devprop);
foreach (object dev in devices)
{
FillCombo (cbxMic);
cbxMic.AppendText (String.Format ("{0}", dev.ToString ()));
}
}
static uint Video = (1 << 0); // We want video output
#endregion Fields
#region Methods
public static void Main(string[] args)
{
// Initialize GStreamer
Application.Init (ref args);
// Create the elements
Playbin = ElementFactory.Make ("playbin", "playbin");
if (Playbin == null) {
Console.WriteLine ("Not all elements could be created.");
return;
}
// Set the URI to play
Playbin ["uri"] = "http://docs.gstreamer.com/media/sintel_trailer-480p.ogv";
// Set the subtitle URI to play and some font description
Playbin ["suburi"] = "http://docs.gstreamer.com/media/sintel_trailer_gr.srt";
Playbin ["subtitle-font-desc"] = "Sans, 18";
// Set flags to show Audio and Video and Subtitles
var flags = (uint)Playbin ["flags"];
flags |= Audio | Video | Text;
Playbin ["flags"] = flags;
// Add a bus watch, so we get notified when a message arrives
var bus = Playbin.Bus;
bus.AddSignalWatch ();
bus.Message += HandleMessage;
// Start playing
var ret = Playbin.SetState (State.Playing);
if (ret == StateChangeReturn.Failure) {
Console.WriteLine ("Unable to set the pipeline to the playing state.");
return;
}
// Add a keyboard watch so we get notified of keystrokes
GLib.Idle.Add (HandleKeyboard);
MainLoop = new GLib.MainLoop ();
MainLoop.Run ();
// Free resources
Playbin.SetState (State.Null);
}
static uint Video = (1 << 0); // We want video output
#endregion Fields
#region Methods
public static void Main(string[] args)
{
// Initialize GStreamer
Application.Init (ref args);
// Create the elements
Playbin = ElementFactory.Make ("playbin", "playbin");
if (Playbin == null) {
Console.WriteLine ("Not all elements could be created.");
return;
}
// Set the URI to play
Playbin ["uri"] = "http://docs.gstreamer.com/media/sintel_cropped_multilingual.webm";
// Set flags to show Audio and Video but ignore Subtitles
var flags = (uint)Playbin ["flags"];
flags |= Audio | Video;
flags &= ~Text;
Playbin ["flags"] = flags;
// Set connection speed. This will affect some internal decisions of playbin2
Playbin ["connection-speed"] = 56;
// Add a bus watch, so we get notified when a message arrives
var bus = Playbin.Bus;
bus.AddSignalWatch ();
bus.Message += HandleMessage;
// Start playing
var ret = Playbin.SetState (State.Playing);
if (ret == StateChangeReturn.Failure) {
Console.WriteLine ("Unable to set the pipeline to the playing state.");
return;
}
// Add a keyboard watch so we get notified of keystrokes
GLib.Idle.Add (HandleKeyboard);
MainLoop = new GLib.MainLoop ();
MainLoop.Run ();
// Free resources
Playbin.SetState (State.Null);
}
public BpmDetector()
{
try {
pipeline = new Pipeline ("the pipeline");
filesrc = ElementFactory.Make ("filesrc", "the filesrc");
var decodebin = ElementFactory.Make ("decodebin", "the decodebin");
var audioconvert = Make ("audioconvert");
var bpmdetect = Make ("bpmdetect");
fakesink = ElementFactory.Make ("fakesink", "the fakesink");
pipeline.Add (filesrc, decodebin, audioconvert, bpmdetect, fakesink);
if (!filesrc.Link (decodebin)) {
Log.Error ("Could not link pipeline elements");
throw new Exception ();
}
// decodebin and audioconvert are linked dynamically when the decodebin creates a new pad
decodebin.PadAdded += (o,args) => {
var audiopad = audioconvert.GetStaticPad ("sink");
if (audiopad.IsLinked) {
return;
}
var caps = args.NewPad.QueryCaps ();
if (caps == null)
return;
var str = caps[0];
if (!str.Name.Contains ("audio"))
return;
args.NewPad.Link (audiopad);
};
if (!Element.Link (audioconvert, bpmdetect, fakesink)) {
Log.Error ("Could not link pipeline elements");
throw new Exception ();
}
pipeline.Bus.AddWatch (OnBusMessage);
} catch (Exception e) {
Log.Exception (e);
throw new ApplicationException (Catalog.GetString ("Could not create BPM detection driver."), e);
}
}
static uint PlayFlagDownload = (1 << 7); // Enable progressive download (on selected formats)
#endregion Fields
#region Methods
public static void Main(string[] args)
{
// Initialize GStreamer
Application.Init (ref args);
BufferingLevel = 100;
// Build the pipeline
Pipeline = Parse.Launch ("playbin uri=http://docs.gstreamer.com/media/sintel_trailer-480p.webm");
var bus = Pipeline.Bus;
// Set the download flag
var flags = (uint)Pipeline ["flags"];
flags |= PlayFlagDownload;
Pipeline ["flags"] = flags;
// Uncomment this line to limit the amount of downloaded data
// g_object_set (pipeline, "ring-buffer-max-size", (guint64)4000000, NULL);
// Start playing
var ret = Pipeline.SetState (State.Playing);
if (ret == StateChangeReturn.Failure) {
Console.WriteLine ("Unable to set the pipeline to the playing state.");
return;
} else if (ret == StateChangeReturn.NoPreroll) {
IsLive = true;
}
MainLoop = new GLib.MainLoop ();
bus.AddSignalWatch ();
bus.Message += HandleMessage;
Pipeline.Connect ("deep-notify::temp-location", GotLocation);
// Register a function that GLib will call every second
GLib.Timeout.AddSeconds (1, RefreshUI);
MainLoop.Run ();
// Free resources
Pipeline.SetState (State.Null);
}
private void CameraScanUnix ()
{
Gst.Element e = Gst.ElementFactory.Make ("v4l2src");
Gst.Interfaces.PropertyProbeAdapter ppa = new Gst.Interfaces.PropertyProbeAdapter (e.Handle);
object[] devices = ppa.ProbeAndGetValues ("device");
FillCombo (cbxCamera);
foreach (String dev in devices) {
Gst.Fraction f = new Gst.Fraction(30,1);
cameras [dev] = new GstCapture.cameraDevice (dev, f , 320 , 240);
cbxCamera.AppendText (dev);
}
}
public PlayerEngine ()
{
Console.WriteLine ("Gst# PlayerEngine ctor - completely experimental, still a WIP");
Gst.Application.Init ();
//Making early-bound elements
pipeline = new Pipeline ();
playbin = new PlayBin2 ();
audiobin = new MyBinType ("audiobin");
filterbin = new BinList<Element> ("filterbin");
//Making late-bound elements (not currently bound by gst-sharp)
audiosink = ElementFactory.Make ("gconfaudiosink", "thesink");
if (audiosink == null)
audiosink = ElementFactory.Make ("autoaudiosink", "thesink");
queue = ElementFactory.Make ("queue", "audioqueue");
//Adding, linking, and padding
filterbin.Add (queue);
audiobin.Add (filterbin.GetBin (), audiosink);
filterbin.GetSourceGhostPad ().Link (audiosink.GetStaticPad ("sink"));
audiobinsink.SetTarget (filterbin.GetSinkGhostPad ());
audiobin.AddPadHack (audiobinsink);
playbin.AudioSink = audiobin;
pipeline.Add (playbin);
pipeline.Bus.AddWatch (OnBusMessage);
Banshee.ServiceStack.Application.RunTimeout (200, delegate {
OnEventChanged (PlayerEvent.Iterate);
return true;
});
OnStateChanged (PlayerState.Ready);
}
void OnDeleteEvent(object sender, DeleteEventArgs args)
{
Gtk.Application.Quit ();
if (_playbin != null) {
_playbin.SetState (Gst.State.Null);
_playbin.Dispose ();
_playbin = null;
}
args.RetVal = true;
}
public CddaManager(Element playbin)
{
if (playbin != null) {
playbin.AddNotification ("source", OnSourceChanged);
}
}
void ButtonOpenClicked(object sender, EventArgs args)
{
FileChooserDialog dialog = new FileChooserDialog ("Open", this, FileChooserAction.Open, new object[] { "Cancel", ResponseType.Cancel, "Open", ResponseType.Accept });
dialog.SetCurrentFolder (Environment.GetFolderPath (Environment.SpecialFolder.Personal));
if (dialog.Run () == (int) ResponseType.Accept) {
_pipelineOK = false;
if (_playbin != null) {
_playbin.SetState (Gst.State.Null);
} else {
_playbin = ElementFactory.Make ("playbin", "playbin");
}
_scale.Value = 0;
if (_playbin == null)
Console.WriteLine ("Unable to create element 'playbin'");
_playbin.Bus.EnableSyncMessageEmission ();
_playbin.Bus.AddSignalWatch ();
_playbin.Bus.SyncMessage += delegate (object bus, SyncMessageArgs sargs) {
Gst.Message msg = sargs.Message;
if (!Gst.Video.GlobalVideo.IsVideoOverlayPrepareWindowHandleMessage (msg))
return;
Element src = msg.Src as Element;
if (src == null)
return;
try {
src["force-aspect-ratio"] = true;
}
catch (PropertyNotFoundException) {}
Element overlay = null;
if(src is Gst.Bin)
overlay = ((Gst.Bin) src).GetByInterface (VideoOverlayAdapter.GType);
VideoOverlayAdapter adapter = new VideoOverlayAdapter (overlay.Handle);
adapter.WindowHandle = _xWindowId;
adapter.HandleEvents (true);
};
_playbin.Bus.Message += delegate (object bus, MessageArgs margs) {
Message message = margs.Message;
switch (message.Type) {
case Gst.MessageType.Error:
GLib.GException err;
string msg;
message.ParseError (out err, out msg);
Console.WriteLine (String.Format ("Error message: {0}", msg));
_pipelineOK = false;
break;
case Gst.MessageType.Eos:
Console.WriteLine ("EOS");
break;
}
};
switch (System.Environment.OSVersion.Platform) {
case PlatformID.Unix:
_playbin["uri"] = "file://" + dialog.Filename;
break;
case PlatformID.Win32NT:
case PlatformID.Win32S:
case PlatformID.Win32Windows:
case PlatformID.WinCE:
_playbin["uri"] = "file:///" + dialog.Filename.Replace("\\","/");
break;
}
StateChangeReturn sret = _playbin.SetState (Gst.State.Playing);
if (sret == StateChangeReturn.Async) {
State state, pending;
sret = _playbin.GetState (out state, out pending, Constants.SECOND * 5L);
}
if (sret == StateChangeReturn.Success) {
Console.WriteLine ("State change successful");
_pipelineOK = true;
} else {
Console.WriteLine ("State change failed for {0} ({1})\n", dialog.Filename, sret);
}
}
dialog.Destroy ();
}
private AudioCdSrc GetCddaSource(Element playbin)
{
AudioCdSrc source = null;
if (playbin == null) {
return null;
}
source = playbin ["source"] as AudioCdSrc;
return source;
}
bool SeekToTrack(Element playbin, int track)
{
Format format = Format.Undefined;
Element cdda_src = null;
State state, pending;
format = Util.FormatGetByNick ("track");
if (format == Format.Undefined) {
return false;
}
playbin.GetState (out state, out pending, 0);
if (state < State.Paused) {
// We can only seek if the pipeline is playing or paused, otherwise
// we just allow playbin to do its thing, which will re-start the
// device and start at the desired track
return false;
}
cdda_src = GetCddaSource (playbin);
if (cdda_src == null) {
return false;
}
if (playbin.Seek (1.0, format, SeekFlags.Flush,
SeekType.Set, track - 1, SeekType.None, -1)) {
Log.DebugFormat ("cdda: seeking to track {0}, avoiding playbin", track);
return true;
}
return false;
}
static Element FindVolumeProvider(Element sink)
{
Element volumeProvider = null;
// Sinks which automatically select between a number of possibilities
// (such as autoaudiosink and gconfaudiosink) need to be at least in
// the Ready state before they'll contain an actual sink.
sink.SetState (State.Ready);
try {
var volume = sink ["volume"];
volumeProvider = sink;
Log.DebugFormat ("Sink {0} has native volume: {1}", volumeProvider.Name, volume);
} catch (Gst.PropertyNotFoundException) {
var sinkBin = sink as Bin;
if (sinkBin != null) {
foreach (Element e in sinkBin.IterateRecurse ()) {
try {
var volume = e ["volume"];
volumeProvider = e;
Log.DebugFormat ("Found volume provider {0} in {1}: {2}",
volumeProvider.Name, sink.Name, volume);
break;
} catch (Gst.PropertyNotFoundException) { }
}
}
}
return volumeProvider;
}
private void SetupRecordingPipeline()
{
// set up pipeline and elements
// gst-launch-0.10 autoaudiosrc ! audioconvert ! vorbisenc ! oggmux ! filesink location=dump.ogg
// Create new pipeline.
_pipeline = new Gst.Pipeline();
//Pipeline pipeline = new Pipeline("pipeline");
// Construct pipeline filesrc -> avidemux -> mpeg4 -> directdrawsink
//_eleAudioSource = ElementFactory.Make("autoaudiosrc", "autoaudiosrc");
_eleAudioSource = ElementFactory.Make("pulsesrc");
_eleAudioConvert = ElementFactory.Make("audioconvert");
if (_recordOgg)
{
_eleVorbisEnc = ElementFactory.Make("vorbisenc");
_eleOggMux = ElementFactory.Make("oggmux");
}
else
{
_eleWavPack = ElementFactory.Make("wavpackenc");
}
_eleFileSink = new Gst.CorePlugins.FileSink();
//_eleFileSink = ElementFactory.Make("filesink", "filesink");
_eleFileSink ["location"] = _path;
// Add and link pipeline.
if (_recordOgg)
{
_pipeline.Add(_eleAudioSource, _eleAudioConvert, _eleVorbisEnc, _eleOggMux, _eleFileSink);
}
else
{
_pipeline.Add(_eleAudioSource, _eleAudioConvert, _eleWavPack, _eleFileSink);
}
// Play video.
_pipeline.SetState(Gst.State.Ready);
_pipeline.SetState(Gst.State.Paused);
if (!_eleAudioSource.Link(_eleAudioConvert))
{
Console.WriteLine("link failed between source and converter");
}
if (_recordOgg)
{
if (!_eleAudioConvert.Link(_eleVorbisEnc))
{
Console.WriteLine("link failed between converter and encoder");
}
if (!_eleVorbisEnc.Link(_eleOggMux))
{
Console.WriteLine("link failed between e and parser");
}
if (!_eleOggMux.Link(_eleFileSink))
{
Console.Error.WriteLine("link failed between parser and sink");
}
}
else
{
if (!_eleAudioConvert.Link(_eleWavPack))
{
Console.WriteLine("link failed between converter and encoder");
}
if (!_eleWavPack.Link(_eleFileSink))
{
Console.Error.WriteLine("link failed between encoder and sink");
}
}
_recordInit = true;
}
PadProbeReturn InsertReplayGain(Pad pad, PadProbeInfo info)
{
lock (pipeline_lock) {
if (rgvolume == null) {
rgvolume = ElementFactory.Make ("rgvolume", "rgvolume");
Add (rgvolume);
rgvolume.SyncStateWithParent ();
visible_sink.SetTarget (rgvolume.GetStaticPad ("sink"));
rgvolume.Link (first);
first = rgvolume;
}
}
return PadProbeReturn.Remove;
}
PadProbeReturn RemoveReplayGain(Pad pad, PadProbeInfo info)
{
lock (pipeline_lock) {
if (rgvolume != null) {
first = rgvolume.GetStaticPad ("src").Peer.Parent as Element;
rgvolume.Unlink (first);
rgvolume.SetState (State.Null);
Remove (rgvolume);
rgvolume = null;
visible_sink.SetTarget (first.GetStaticPad ("sink"));
}
}
return PadProbeReturn.Remove;
}
void RemoveReplayGain (Pad pad, bool blocked)
{
lock (pipeline_lock) {
if (rgvolume != null) {
first = rgvolume.GetStaticPad ("src").Peer.Parent as Element;
rgvolume.Unlink (first);
rgvolume.SetState (State.Null);
Remove (rgvolume);
rgvolume = null;
visible_sink.SetTarget (first.GetStaticPad ("sink"));
}
}
visible_sink.SetBlocked (false, (_, __) => { });
}
protected override void Initialize()
{
playbin = ElementFactory.Make ("playbin", "the playbin");
next_track_set = new ManualResetEvent (false);
audio_sink = new AudioSinkBin ("audiobin");
playbin["audio-sink"] = audio_sink;
if (audio_sink.VolumeNeedsSaving) {
// Remember the volume from last time
Volume = (ushort)PlayerEngineService.VolumeSchema.Get ();
}
visualization = new Visualization (audio_sink);
playbin.AddNotification ("volume", OnVolumeChanged);
playbin.Bus.AddWatch (OnBusMessage);
cdda_manager = new CddaManager (playbin);
dvd_manager = new DvdManager (playbin);
video_manager = new VideoManager (playbin);
video_manager.PrepareWindow += OnVideoPrepareWindow;
video_manager.Initialize ();
dvd_manager.FindNavigation (playbin);
OnStateChanged (PlayerState.Ready);
InstallPreferences ();
audio_sink.ReplayGainEnabled = ReplayGainEnabledSchema.Get ();
GaplessEnabled = GaplessEnabledSchema.Get ();
}
static Element FindVolumeProvider (Element sink)
{
Element volumeProvider = null;
// Sinks which automatically select between a number of possibilities
// (such as autoaudiosink and gconfaudiosink) need to be at least in
// the Ready state before they'll contain an actual sink.
sink.SetState (State.Ready);
if (sink.HasProperty ("volume")) {
volumeProvider = sink;
Log.DebugFormat ("Sink {0} has native volume.", volumeProvider.Name);
} else {
var sinkBin = sink as Bin;
if (sinkBin != null) {
foreach (Element e in sinkBin.ElementsRecurse) {
if (e.HasProperty ("volume")) {
volumeProvider = e;
Log.DebugFormat ("Found volume provider {0} in {1}.",
volumeProvider.Name, sink.Name);
}
}
}
}
return volumeProvider;
}