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");
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");
this.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 = RequestTeePad();
audiotee["alloc-pad"] = pad;
pad.Link(sinkpad);
first = audiotee;
visible_sink = new GhostPad("sink", first.GetStaticPad("sink"));
AddPad(visible_sink);
}
public static void Run(string[] args)
{
// Initialize GStreamer
Application.Init(ref args);
GtkSharp.GstreamerSharp.ObjectManager.Initialize();
/* Build the pipeline */
var pipeline = Parse.Launch("playbin3 uri=https://www.freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm");
// Create the elements inside the sink bin
var equalizer = ElementFactory.Make("equalizer-3bands", "equalizer");
var convert = ElementFactory.Make("audioconvert", "convert");
var sink = ElementFactory.Make("autoaudiosink", "audio_sink");
if (equalizer == null || convert == null || sink == null)
{
"Not all elements could be created".PrintErr();
return;
}
/* Create the sink bin, add the elements and link them */
var bin = new Bin("audio_sink_bin");
bin.Add(equalizer, convert, sink);
if (!Element.Link(equalizer, convert, sink))
{
"Elements could not be linked".PrintErr();
return;
}
var pad = equalizer.GetStaticPad("sink");
var ghostPad = new GhostPad("sink", pad);
ghostPad.SetActive(true);
bin.AddPad(ghostPad);
/* Configure the equalizer */
equalizer["band1"] = -24.0;
equalizer["band2"] = -24.0;
/* Set playbin's audio sink to be our sink bin */
pipeline["audio-sink"] = bin;
/* Start playing */
pipeline.SetState(State.Playing);
/* Wait until error or EOS */
var bus = pipeline.Bus;
var msg = bus.TimedPopFiltered(Constants.CLOCK_TIME_NONE, MessageType.Error | MessageType.Eos);
if (msg != null)
{
System.Console.WriteLine(msg.Type);
msg.Dispose();
}
bus.Dispose();
pipeline.SetState(State.Null);
pipeline.Dispose();
pipeline = null;
}
public static void Main(string[] args)
{
// Initialize GStreamer
Application.Init(ref args);
// Build the pipeline
var pipeline = Parse.Launch("playbin uri=http://freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm");
// Create the elements inside the sink bin
var equalizer = ElementFactory.Make("equalizer-3bands", "equalizer");
var convert = ElementFactory.Make("audioconvert", "convert");
var sink = ElementFactory.Make("autoaudiosink", "audio_sink");
if (equalizer == null || convert == null || sink == null)
{
Console.WriteLine("Not all elements could be created.");
return;
}
// Create the sink bin, add the elements and link them
var bin = new Bin("audio_sink_bin");
bin.Add(equalizer, convert, sink);
Element.Link(equalizer, convert, sink);
var pad = equalizer.GetStaticPad("sink");
var ghostPad = new GhostPad("sink", pad);
ghostPad.SetActive(true);
bin.AddPad(ghostPad);
// Start playing
var ret = pipeline.SetState(State.Playing);
if (ret == StateChangeReturn.Failure)
{
Console.WriteLine("Unable to set the pipeline to the playing state.");
return;
}
// Configure the equalizer
equalizer ["band1"] = (double)-24.0;
equalizer ["band2"] = (double)-24.0;
// Set playbin's audio sink to be our sink bin
pipeline ["audio-sink"] = bin;
// 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);
}
/// <summary>
/// Creates a new recoding pipeline with the best (by user preference) available encoder and attaches it
/// to the audiotee
/// </summary>
/// <returns>
/// A <see cref="System.Boolean"/>, true if the pipeline was successfully created, false otherwise.
/// </returns>
public bool Create()
{
string bin_description = BuildPipeline();
try {
audiotee = new PlayerAudioTee(ServiceManager.PlayerEngine.ActiveEngine.GetBaseElements()[2]);
if (bin_description.Equals(""))
{
return(false);
}
encoder_bin = Parse.BinFromDescription(bin_description, true);
// Hyena.Log.Debug ("DEBUG bin to string: " + encoder_bin.ToString());
tagger = new TagSetter(encoder_bin.GetByInterface(TagSetter.GetType()));
file_sink = encoder_bin.GetByName("file_sink").ToFileSink();
file_sink.Location = empty_file;
file_sink.SetBooleanProperty("sync", true);
file_sink.SetBooleanProperty("async", false);
OldGLib.Object.GetObject(file_sink.ToIntPtr()).AddNotification("allow-overwrite", OnAllowOverwrite);
ghost_pad = encoder_bin.GetStaticPad("sink").ToGhostPad();
outputselector = encoder_bin.GetByName("sel");
Pad filesinkpad = file_sink.GetStaticPad("sink");
selector_filepad = filesinkpad.GetPeer();
Element fake_sink = encoder_bin.GetByName("fake_sink");
Pad fakesinkpad = fake_sink.GetStaticPad("sink");
selector_fakepad = fakesinkpad.GetPeer();
audiotee.AddBin(encoder_bin, ServiceManager.PlayerEngine.CurrentState == PlayerState.Playing);
Hyena.Log.Debug("[Recorder] Recorder attached");
} catch (Exception e) {
Hyena.Log.InformationFormat("[Streamrecorder] An exception occurred during pipeline construction: {0}", bin_description);
Hyena.Log.Debug(e.Message);
Hyena.Log.Debug(e.StackTrace);
return(false);
}
return(true);
}
void IDelayedInitializeService.DelayedInitialize()
{
if (!has_karaoke)
{
return;
}
playbin = new Bin(ServiceManager.PlayerEngine.ActiveEngine.GetBaseElements()[0]);
audiobin = new Bin(ServiceManager.PlayerEngine.ActiveEngine.GetBaseElements()[1]);
audiotee = new Bin(ServiceManager.PlayerEngine.ActiveEngine.GetBaseElements()[2]);
if (playbin.IsNull())
{
Hyena.Log.Debug("[Karaoke] Playbin is not yet initialized, cannot start Karaoke Mode");
}
audiokaraoke = audiobin.GetByName("karaoke");
if (audiokaraoke.IsNull())
{
audiokaraoke = ElementFactory.Make("audiokaraoke", "karaoke");
//add audiokaraoke to audiobin
audiobin.Add(audiokaraoke);
//setting new audiobin sink to audiokaraoke sink
GhostPad teepad = new GhostPad(audiobin.GetStaticPad("sink").ToIntPtr());
Pad audiokaraokepad = audiokaraoke.GetStaticPad("sink");
teepad.SetTarget(audiokaraokepad);
//link audiokaraoke sink and audiotee sink
audiokaraoke.Link(audiotee);
}
if (!karaoke_enabled)
{
audiokaraoke.SetFloatProperty("level", 0);
audiokaraoke.SetFloatProperty("mono-level", 0);
}
else
{
audiokaraoke.SetFloatProperty("level", effect_level);
audiokaraoke.SetFloatProperty("mono-level", effect_level);
}
}
public MyBin() : base()
{
Element filesrc = ElementFactory.Make("filesrc");
Add(filesrc);
CollectionAssert.IsEmpty(Pads);
GhostPad pad1 = new GhostPad("ghost-sink", PadDirection.Sink);
GhostPad pad2 = new GhostPad("ghost-src", new PadTemplate("src-template", PadDirection.Src, PadPresence.Request, Caps.NewAny()));
Assert.IsFalse(pad1.SetTarget(filesrc.GetStaticPad("src")));
Assert.IsTrue(pad2.SetTarget(filesrc.GetStaticPad("src")));
AddPad(pad1);
AddPad(pad2);
CollectionAssert.Contains(Pads, pad1);
CollectionAssert.Contains(Pads, pad2);
CollectionAssert.Contains(SinkPads, pad1);
CollectionAssert.Contains(SrcPads, pad2);
}
/// <summary>
/// Helper function to really attach a bin to the audio player tee
/// </summary>
/// <param name="pad">
/// A <see cref="IntPtr"/> referencing the pad that may need to be unblocked
/// </param>
/// <param name="blocked">
/// A <see cref="System.Boolean"/> indicating if the pad is blocked
/// </param>
/// <param name="user_data">
/// A <see cref="IntPtr"/> containing references to the bin and the audio tee
/// </param>
private PadProbeReturn ReallyAddBin(IntPtr pad, IntPtr probe_info, IntPtr user_data, bool blocked)
{
GCHandle gch = GCHandle.FromIntPtr(user_data);
Bin[] user_bins = (Gst.Bin[])gch.Target;
Bin fixture = user_bins[0];
Bin element = user_bins[1];
Element queue;
Element audioconvert;
Bin bin;
Bin parent_bin;
Pad sink_pad;
Pad ghost_pad;
GstObject element_parent;
element_parent = element.GetParent();
if (element_parent != null && !element_parent.IsNull())
{
Hyena.Log.Debug("[Streamrecorder.PlayerAudioTee]<ReallyAddBin>element already linked, exiting. assume double function call");
element_parent.UnRef();
return(PadProbeReturn.GST_PAD_PROBE_OK);
}
/* set up containing bin */
bin = new Bin();
queue = ElementFactory.Make("queue");
audioconvert = ElementFactory.Make("audioconvert");
bin.SetBooleanProperty("async-handling", true);
queue.SetIntegerProperty("max-size-buffers", 10);
bin.AddMany(new Element[3] {
queue, audioconvert, element
});
queue.LinkMany(new Element[2] {
audioconvert, element
});
sink_pad = queue.GetStaticPad("sink");
ghost_pad = new GhostPad("sink", sink_pad);
bin.AddPad(ghost_pad);
parent_bin = new Bin(fixture.GetParent().ToIntPtr());
parent_bin.Add(bin);
fixture.Link(bin);
attached = true;
if (blocked)
{
Hyena.Log.Debug("[Streamrecorder.PlayerAudioTee]<ReallyAddBin> unblocking pad after adding tee");
parent_bin.SetState(State.Playing);
ghost_pad.Ref();
parent_bin.UnRef();
// new Pad (pad).AddProbe (PadProbeType.GST_PAD_PROBE_TYPE_BLOCK, AddRemoveBinDone, ghost_pad.ToIntPtr (), null);
PadProbeInfo info = (PadProbeInfo)Marshal.PtrToStructure(probe_info, typeof(PadProbeInfo));
new Pad(pad).RemoveProbe(info.id);
AddRemoveBinDone(IntPtr.Zero, IntPtr.Zero, ghost_pad.ToIntPtr());
}
else
{
parent_bin.SetState(State.Paused);
ghost_pad.Ref();
parent_bin.UnRef();
AddRemoveBinDone(IntPtr.Zero, IntPtr.Zero, ghost_pad.ToIntPtr());
}
return(PadProbeReturn.GST_PAD_PROBE_OK);
}
public override bool Open(bool prescan)
{
System.Diagnostics.Debug.Assert(!_FileOpened);
if (_FileOpened)
{
return(false);
}
Length = -1;
Element convert = ElementFactory.Make("audioconvert", "convert");
Element audiosink = ElementFactory.Make("autoaudiosink", "audiosink");
if (convert == null || audiosink == null)
{
CLog.LogError("Could not create pipeline");
if (convert != null)
{
convert.Dispose();
}
if (audiosink != null)
{
audiosink.Dispose();
}
return(false);
}
var audioSinkBin = new Bin("Audiosink");
Element audiokaraoke = null;
if (_Effect.HasFlag(EAudioEffect.Karaoke))
{
audiokaraoke = ElementFactory.Make("audiokaraoke", "karaoke");
audioSinkBin.Add(audiokaraoke);
audioSinkBin.Add(convert);
audioSinkBin.Add(audiosink);
audiokaraoke.Link(audiosink);
audiokaraoke["level"] = CConfig.Config.Sound.KaraokeEffectLevel;
audiokaraoke["mono-level"] = CConfig.Config.Sound.KaraokeEffectLevel;
convert.Link(audiokaraoke);
}
else
{
audioSinkBin.Add(convert);
audioSinkBin.Add(audiosink);
convert.Link(audiosink);
}
Pad pad = convert.GetStaticPad("sink");
GhostPad ghostpad = new GhostPad("sink", pad);
if (pad == null)
{
CLog.LogError("Could not create pads");
convert.Dispose();
audiosink.Dispose();
audioSinkBin.Dispose();
if (audiokaraoke != null)
{
audiokaraoke.Dispose();
}
return(false);
}
if (!ghostpad.SetActive(true))
{
CLog.LogError("Could not link pads");
convert.Dispose();
audiosink.Dispose();
audioSinkBin.Dispose();
ghostpad.Dispose();
if (audiokaraoke != null)
{
audiokaraoke.Dispose();
}
return(false);
}
if (!audioSinkBin.AddPad(ghostpad))
{
CLog.LogError("Could not add pad");
convert.Dispose();
audiosink.Dispose();
audioSinkBin.Dispose();
ghostpad.Dispose();
if (audiokaraoke != null)
{
audiokaraoke.Dispose();
}
return(false);
}
_Element = ElementFactory.Make("playbin", "playbin");
if (_Element == null)
{
CLog.LogError("Could not create playbin");
convert.Dispose();
audiosink.Dispose();
audioSinkBin.Dispose();
ghostpad.Dispose();
if (audiokaraoke != null)
{
audiokaraoke.Dispose();
}
return(false);
}
_Element["audio-sink"] = audioSinkBin;
_Element["flags"] = 1 << 1;
_Element["uri"] = new Uri(_Medium).AbsoluteUri;
_Element.SetState(State.Paused);
// Passing CLOCK_TIME_NONE here causes the pipeline to block for a long time so with
// prescan enabled the pipeline will wait 500ms for stream to initialize and then continue
// if it takes more than 500ms, duration queries will be performed asynchronously
Message msg = _Element.Bus.TimedPopFiltered(prescan ? ulong.MaxValue : 0L, MessageType.AsyncDone | MessageType.Error);
if (!_OnMessage(msg))
{
_Dispose(true);
return(false);
}
_FileOpened = true;
return(true);
}
