/// <summary>
/// Attaches a pipeline/bin to the audio player tee, optionally using pad blocking
/// </summary>
/// <param name="bin">
/// A <see cref="Bin"/> to attach to the player tee
/// </param>
/// <param name="use_pad_block">
/// A <see cref="System.Boolean"/> indicating whether to use pad blocking or not
/// </param>
/// <returns>
/// A <see cref="System.Boolean"/> -- always true
/// </returns>
public bool AddBin(Bin bin, bool use_pad_block)
{
Bin[] user_bins = new Bin[2] { new Bin (this.ToIntPtr ()), bin };
GCHandle gch = GCHandle.Alloc (user_bins);
IntPtr user_data = GCHandle.ToIntPtr (gch);
Pad fixture_pad = this.GetStaticPad ("sink");
Pad block_pad = fixture_pad.GetPeer ();
fixture_pad.UnRef ();
if (use_pad_block) {
ulong blocking_probe = block_pad.AddProbe (PadProbeType.GST_PAD_PROBE_TYPE_BLOCK, ReallyAddBinBlocked, user_data, null);
Hyena.Log.DebugFormat ("[Streamrecorder.PlayerAudioTee]<AddBin> blockin pad {0} to perform an operation ({1})",block_pad.GetPathString (),blocking_probe);
} else {
Hyena.Log.Debug ("Streamrecorder.PlayerAudioTee]<AddBin> not using blockin pad, calling operation directly");
ReallyAddBinUnblocked (block_pad.ToIntPtr (), IntPtr.Zero, user_data);
}
block_pad.UnRef ();
return true;
}
/// <summary>
/// Attaches a pipeline/bin to the audio player tee, optionally using pad blocking
/// </summary>
/// <param name="bin">
/// A <see cref="Bin"/> to attach to the player tee
/// </param>
/// <param name="use_pad_block">
/// A <see cref="System.Boolean"/> indicating whether to use pad blocking or not
/// </param>
/// <returns>
/// A <see cref="System.Boolean"/> -- always true
/// </returns>
public bool AddBin (Bin bin, bool use_pad_block)
{
Bin[] user_bins = new Bin[2] { new Bin (this.ToIntPtr ()), bin };
GCHandle gch = GCHandle.Alloc (user_bins);
IntPtr user_data = GCHandle.ToIntPtr (gch);
Pad fixture_pad = this.GetStaticPad ("sink");
Pad block_pad = fixture_pad.GetPeer ();
fixture_pad.UnRef ();
if (use_pad_block) {
Hyena.Log.Debug ("[Streamrecorder.PlayerAudioTee]<AddBin> blockin pad " + block_pad.GetPathString () + " to perform an operation");
block_pad.SetBlockedAsync (true, ReallyAddBin, user_data);
} else {
Hyena.Log.Debug ("Streamrecorder.PlayerAudioTee]<AddBin> not using blockin pad, calling operation directly");
ReallyAddBin (block_pad.ToIntPtr (), false, user_data);
}
block_pad.UnRef ();
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);
}
}
/// <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;
}
/// <summary>
/// Creates a new recoding pipeline with the best (by user preference) available encoder
/// </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);
tagger = new TagSetter (encoder_bin.GetByInterface (TagSetter.GetType ()));
file_sink = encoder_bin.GetByName ("file_sink").ToFileSink ();
file_sink.Location = output_file + file_extension;
file_sink.SetBooleanProperty ("sync", true);
file_sink.SetBooleanProperty ("async", false);
GLib.Object.GetObject (file_sink.ToIntPtr ()).AddNotification ("allow-overwrite", OnAllowOverwrite);
ghost_pad = encoder_bin.GetStaticPad ("sink").ToGhostPad ();
} catch (Exception e) {
Hyena.Log.InformationFormat ("[Streamrecorder] An exception occurred during pipeline construction: {0}", bin_description);
Hyena.Log.Debug (e.StackTrace);
return false;
}
return true;
}
/// <summary>
/// Helper function to really remove the bin from 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 a reference to the bin
/// </param>
private void ReallyRemoveBin (IntPtr pad, bool blocked, IntPtr user_data)
{
Bin element = new Bin (user_data);
Bin bin;
Bin parent_bin;
string element_path = element.GetPathString ();
if (!element_path.Contains (":") && element_path.StartsWith ("/0x")) {
Hyena.Log.Debug ("[Streamrecorder.PlayerAudioTee]<ReallyRemoveBin> element empty, assume disposed, exiting: " + element_path);
return;
}
bin = new Bin (element.GetParent ().ToIntPtr ());
bin.Ref ();
parent_bin = new Bin (bin.GetParent ().ToIntPtr ());
parent_bin.Remove (bin);
bin.SetState (State.Null);
bin.Remove (element);
bin.UnRef ();
attached = false;
/* if we're supposed to be playing, unblock the sink */
if (blocked) {
Hyena.Log.Debug ("[Streamrecorder.PlayerAudioTee]<ReallyRemoveBin> unblocking pad after removing tee");
new Pad (pad).SetBlockedAsync (false, AddRemoveBinDone, IntPtr.Zero);
}
}
/// <summary>
/// Removes a pipeline/bin from the audio player tee, optionally using pad blocking
/// </summary>
/// <param name="bin">
/// The <see cref="Bin"/> to remove
/// </param>
/// <param name="use_pad_block">
/// A <see cref="System.Boolean"/> indicating whether to use pad blocking or not
/// </param>
/// <returns>
/// A <see cref="System.Boolean"/> -- always true
/// </returns>
public bool RemoveBin (Bin bin, bool use_pad_block)
{
IntPtr user_data = bin.ToIntPtr ();
Pad fixture_pad = this.GetStaticPad ("sink");
Pad block_pad = fixture_pad.GetPeer ();
fixture_pad.UnRef ();
if (use_pad_block) {
Hyena.Log.Debug ("[Streamrecorder.PlayerAudioTee]<RemoveBin> blockin pad " + block_pad.GetPathString () + " to perform an operation");
block_pad.SetBlockedAsync (true, ReallyRemoveBin, user_data);
} else {
Hyena.Log.Debug ("[Streamrecorder.PlayerAudioTee]<RemoveBin> not using blockin pad, calling operation directly");
ReallyRemoveBin (block_pad.ToIntPtr (), false, user_data);
}
block_pad.UnRef ();
return true;
}
/// <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 void ReallyAddBin (IntPtr pad, bool blocked, IntPtr user_data)
{
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;
}
/* 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).SetBlockedAsync (false, AddRemoveBinDone, ghost_pad.ToIntPtr ());
} else {
parent_bin.SetState (State.Paused);
ghost_pad.Ref ();
parent_bin.UnRef ();
AddRemoveBinDone (IntPtr.Zero, false, ghost_pad.ToIntPtr ());
}
}
/// <summary>
/// Helper function to really remove the bin from 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 a reference to the bin
/// </param>
private PadProbeReturn ReallyRemoveBin(IntPtr pad, IntPtr probe_info, IntPtr user_data, bool blocked)
{
Bin element = new Bin (user_data);
Bin bin;
Bin parent_bin;
string element_path = element.GetPathString ();
if (!element_path.Contains (":") && element_path.StartsWith ("/0x")) {
Hyena.Log.Debug ("[Streamrecorder.PlayerAudioTee]<ReallyRemoveBin> element empty, assume disposed, exiting: " + element_path);
return PadProbeReturn.GST_PAD_PROBE_OK;
}
bin = new Bin (element.GetParent ().ToIntPtr ());
bin.Ref ();
parent_bin = new Bin (bin.GetParent ().ToIntPtr ());
parent_bin.Remove (bin);
bin.SetState (State.Null);
bin.Remove (element);
bin.UnRef ();
attached = false;
/* if we're supposed to be playing, unblock the sink */
if (blocked) {
Hyena.Log.Debug ("[Streamrecorder.PlayerAudioTee]<ReallyRemoveBin> unblocking pad after removing tee");
// new Pad (pad).AddProbe (PadProbeType.GST_PAD_PROBE_TYPE_BLOCK, AddRemoveBinDone, IntPtr.Zero, null);
PadProbeInfo info = (PadProbeInfo) Marshal.PtrToStructure (probe_info, typeof (PadProbeInfo));
new Pad (pad).RemoveProbe (info.id);
AddRemoveBinDone (IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
}
return PadProbeReturn.GST_PAD_PROBE_OK;
}
