1 files changed, 0 insertions, 481 deletions
diff --git a/src/Classes/UAudioInput_Bass.pas b/src/Classes/UAudioInput_Bass.pas
deleted file mode 100644
index 65a4704d..00000000
--- a/src/Classes/UAudioInput_Bass.pas
+++ /dev/null
@@ -1,481 +0,0 @@
-unit UAudioInput_Bass;
-
-interface
-
-{$IFDEF FPC}
-  {$MODE Delphi}
-{$ENDIF}
-
-{$I switches.inc}
-
-
-uses
-  Classes,
-  SysUtils,
-  URecord,
-  UMusic;
-
-implementation
-
-uses
-  UMain,
-  UIni,
-  ULog,
-  UAudioCore_Bass,
-  UCommon,    // (Note: for MakeLong on non-windows platforms)
-  {$IFDEF MSWINDOWS}
-  Windows,    // (Note: for MakeLong)
-  {$ENDIF}
-  bass;       // (Note: DWORD is redefined here -> insert after Windows-unit)
-
-type
-  TAudioInput_Bass = class(TAudioInputBase)
-    private
-      function EnumDevices(): boolean;
-    public
-      function GetName: String; override;
-      function InitializeRecord: boolean; override;
-      function FinalizeRecord: boolean; override;
-  end;
-
-  TBassInputDevice = class(TAudioInputDevice)
-    private
-      RecordStream: HSTREAM;
-      BassDeviceID: DWORD; // DeviceID used by BASS
-      SingleIn: boolean;
-
-      function SetInputSource(SourceIndex: integer): boolean;
-      function GetInputSource(): integer;
-    public
-      function Open(): boolean;
-      function Close(): boolean;
-      function Start(): boolean; override;
-      function Stop(): boolean;  override;
-
-      function GetVolume(): single;        override;
-      procedure SetVolume(Volume: single); override;
-  end;
-
-var
-  BassCore: TAudioCore_Bass;
-
-
-{ Global }
-
-{*
- * Bass input capture callback.
- * Params:
- *   stream - BASS input stream
- *   buffer - buffer of captured samples
- *   len - size of buffer in bytes
- *   user - players associated with left/right channels
- *}
-function MicrophoneCallback(stream: HSTREAM; buffer: Pointer;
-    len: Cardinal; inputDevice: Pointer): boolean; {$IFDEF MSWINDOWS}stdcall;{$ELSE}cdecl;{$ENDIF}
-begin
-  AudioInputProcessor.HandleMicrophoneData(buffer, len, inputDevice);
-  Result := true;
-end;
-
-
-{ TBassInputDevice }
-
-function TBassInputDevice.GetInputSource(): integer;
-var
-  SourceCnt: integer;
-  i: integer;
-  flags: DWORD;
-begin
-  // get input-source config (subtract virtual device to get BASS indices)
-  SourceCnt := Length(Source)-1;
-
-  // find source
-  Result := -1;
-  for i := 0 to SourceCnt-1 do
-  begin
-    // get input settings
-    flags := BASS_RecordGetInput(i, PSingle(nil)^);
-    if (flags = DWORD(-1)) then
-    begin
-      Log.LogError('BASS_RecordGetInput: ' + BassCore.ErrorGetString(), 'TBassInputDevice.GetInputSource');
-      Exit;
-    end;
-
-    // check if current source is selected
-    if ((flags and BASS_INPUT_OFF) = 0) then
-    begin
-      // selected source found
-      Result := i;
-      Exit;
-    end;
-  end;
-end;
-
-function TBassInputDevice.SetInputSource(SourceIndex: integer): boolean;
-var
-  SourceCnt: integer;
-  i: integer;
-  flags: DWORD;
-begin
-  Result := false;
-
-  // check for invalid source index
-  if (SourceIndex < 0) then
-    Exit;
-
-  // get input-source config (subtract virtual device to get BASS indices)
-  SourceCnt := Length(Source)-1;
-
-  // turn on selected source (turns off the others for single-in devices)
-  if (not BASS_RecordSetInput(SourceIndex, BASS_INPUT_ON, -1)) then
-  begin
-    Log.LogError('BASS_RecordSetInput: ' + BassCore.ErrorGetString(), 'TBassInputDevice.Start');
-    Exit;
-  end;
-
-  // turn off all other sources (not needed for single-in devices)
-  if (not SingleIn) then
-  begin
-    for i := 0 to SourceCnt-1 do
-    begin
-      if (i = SourceIndex) then
-        continue;
-      // get input settings
-      flags := BASS_RecordGetInput(i, PSingle(nil)^);
-      if (flags = DWORD(-1)) then
-      begin
-        Log.LogError('BASS_RecordGetInput: ' + BassCore.ErrorGetString(), 'TBassInputDevice.GetInputSource');
-        Exit;
-      end;
-      // deselect source if selected
-      if ((flags and BASS_INPUT_OFF) = 0) then
-        BASS_RecordSetInput(i, BASS_INPUT_OFF, -1);
-    end;
-  end;
-
-  Result := true;
-end;
-
-function TBassInputDevice.Open(): boolean;
-var
-  FormatFlags: DWORD;
-  SourceIndex: integer;
-const
-  latency = 20; // 20ms callback period (= latency)
-begin
-  Result := false;
-
-  if (not BASS_RecordInit(BassDeviceID)) then
-  begin
-    Log.LogError('BASS_RecordInit['+Name+']: ' +
-                 BassCore.ErrorGetString(), 'TBassInputDevice.Open');
-    Exit;
-  end;
-
-  if (not BassCore.ConvertAudioFormatToBASSFlags(AudioFormat.Format, FormatFlags)) then
-  begin
-    Log.LogError('Unhandled sample-format', 'TBassInputDevice.Open');
-    Exit;
-  end;
-
-  // start capturing in paused state
-  RecordStream := BASS_RecordStart(Round(AudioFormat.SampleRate), AudioFormat.Channels,
-                    MakeLong(FormatFlags or BASS_RECORD_PAUSE, latency),
-                    @MicrophoneCallback, Self);
-  if (RecordStream = 0) then
-  begin
-    Log.LogError('BASS_RecordStart: ' + BassCore.ErrorGetString(), 'TBassInputDevice.Open');
-    BASS_RecordFree;
-    Exit;
-  end;
-
-  // save current source selection and select new source
-  SourceIndex := Ini.InputDeviceConfig[CfgIndex].Input-1;
-  if (SourceIndex = -1) then
-  begin
-    // nothing to do if default source is used
-    SourceRestore := -1;
-  end
-  else
-  begin
-    // store current source-index and select new source
-    SourceRestore := GetInputSource();
-    SetInputSource(SourceIndex);
-  end;
-
-  Result := true;
-end;
-
-{* Start input-capturing on this device. *}
-function TBassInputDevice.Start(): boolean;
-begin
-  Result := false;
-
-  // recording already started -> stop first
-  if (RecordStream <> 0) then
-    Stop();
-
-  // TODO: Do not open the device here (takes too much time).
-  if not Open() then
-    Exit;
-
-  if (not BASS_ChannelPlay(RecordStream, true)) then
-  begin
-    Log.LogError('BASS_ChannelPlay: ' + BassCore.ErrorGetString(), 'TBassInputDevice.Start');
-    Exit;
-  end;
-
-  Result := true;
-end;
-
-{* Stop input-capturing on this device. *}
-function TBassInputDevice.Stop(): boolean;
-begin
-  Result := false;
-
-  if (RecordStream = 0) then
-    Exit;
-  if (not BASS_RecordSetDevice(BassDeviceID)) then
-    Exit;
-
-  if (not BASS_ChannelStop(RecordStream)) then
-  begin
-    Log.LogError('BASS_ChannelStop: ' + BassCore.ErrorGetString(), 'TBassInputDevice.Stop');
-  end;
-
-  // TODO: Do not close the device here (takes too much time).
-  Result := Close();
-end;
-
-function TBassInputDevice.Close(): boolean;
-begin
-  // restore source selection
-  if (SourceRestore >= 0) then
-  begin
-    SetInputSource(SourceRestore);
-  end;
-
-  // free data
-  if (not BASS_RecordFree()) then
-  begin
-    Log.LogError('BASS_RecordFree: ' + BassCore.ErrorGetString(), 'TBassInputDevice.Close');
-    Result := false;
-  end
-  else
-  begin
-    Result := true;
-  end;
-
-  RecordStream := 0;
-end;
-
-function TBassInputDevice.GetVolume(): single;
-var
-  SourceIndex: integer;
-  lVolume: Single;
-begin
-  Result := 0;
-
-  SourceIndex := Ini.InputDeviceConfig[CfgIndex].Input-1;
-  if (SourceIndex = -1) then
-  begin
-    // if default source used find selected source
-    SourceIndex := GetInputSource();
-    if (SourceIndex = -1) then
-      Exit;
-  end;
-
-  if (BASS_RecordGetInput(SourceIndex, lVolume) = DWORD(-1)) then
-  begin
-    Log.LogError('BASS_RecordGetInput: ' + BassCore.ErrorGetString() , 'TBassInputDevice.GetVolume');
-    Exit;
-  end;
-  Result := lVolume;
-end;
-
-procedure TBassInputDevice.SetVolume(Volume: single);
-var
-  SourceIndex: integer;
-begin
-  SourceIndex := Ini.InputDeviceConfig[CfgIndex].Input-1;
-  if (SourceIndex = -1) then
-  begin
-    // if default source used find selected source
-    SourceIndex := GetInputSource();
-    if (SourceIndex = -1) then
-      Exit;
-  end;
-
-  // clip volume to valid range
-  if (Volume > 1.0) then
-    Volume := 1.0
-  else if (Volume < 0) then
-    Volume := 0;
-
-  if (not BASS_RecordSetInput(SourceIndex, 0, Volume)) then
-  begin
-    Log.LogError('BASS_RecordSetInput: ' + BassCore.ErrorGetString() , 'TBassInputDevice.SetVolume');
-  end;
-end;
-
-
-{ TAudioInput_Bass }
-
-function  TAudioInput_Bass.GetName: String;
-begin
-  result := 'BASS_Input';
-end;
-
-function TAudioInput_Bass.EnumDevices(): boolean;
-var
-  Descr:      PChar;
-  SourceName: PChar;
-  Flags:      integer;
-  BassDeviceID: integer;
-  BassDevice:   TBassInputDevice;
-  DeviceIndex:  integer;
-  DeviceInfo: BASS_DEVICEINFO;
-  SourceIndex:  integer;
-  RecordInfo: BASS_RECORDINFO;
-  SelectedSourceIndex: integer;
-begin
-  result := false;
-
-  DeviceIndex := 0;
-  BassDeviceID := 0;
-  SetLength(AudioInputProcessor.DeviceList, 0);
-
-  // checks for recording devices and puts them into an array
-  while true do
-  begin
-    if (not BASS_RecordGetDeviceInfo(BassDeviceID, DeviceInfo)) then
-      break;
-
-    // try to initialize the device
-    if not BASS_RecordInit(BassDeviceID) then
-    begin
-      Log.LogStatus('Failed to initialize BASS Capture-Device['+inttostr(BassDeviceID)+']',
-                    'TAudioInput_Bass.InitializeRecord');
-    end
-    else
-    begin
-      SetLength(AudioInputProcessor.DeviceList, DeviceIndex+1);
-
-      // TODO: free object on termination
-      BassDevice := TBassInputDevice.Create();
-      AudioInputProcessor.DeviceList[DeviceIndex] := BassDevice;
-
-      Descr := DeviceInfo.name;
-
-      BassDevice.BassDeviceID := BassDeviceID;
-      BassDevice.Name := UnifyDeviceName(Descr, DeviceIndex);
-
-      // zero info-struct as some fields might not be set (e.g. freq is just set on Vista and MacOSX)
-      FillChar(RecordInfo, SizeOf(RecordInfo), 0);
-      // retrieve recording device info
-      BASS_RecordGetInfo(RecordInfo);
-
-      // check if BASS has capture-freq. info
-      if (RecordInfo.freq > 0) then
-      begin
-        // use current input sample rate (available only on Windows Vista and OSX).
-        // Recording at this rate will give the best quality and performance, as no resampling is required.
-        // FIXME: does BASS use LSB/MSB or system integer values for 16bit?
-        BassDevice.AudioFormat := TAudioFormatInfo.Create(2, RecordInfo.freq, asfS16)
-      end
-      else
-      begin
-        // BASS does not provide an explizit input channel count (except BASS_RECORDINFO.formats)
-        // but it doesn't fail if we use stereo input on a mono device
-        // -> use stereo by default
-        BassDevice.AudioFormat := TAudioFormatInfo.Create(2, 44100, asfS16)
-      end;
-
-      // get info if multiple input-sources can be selected at once
-      BassDevice.SingleIn := RecordInfo.singlein;
-
-      // init list for capture buffers per channel
-      SetLength(BassDevice.CaptureChannel, BassDevice.AudioFormat.Channels);
-
-      BassDevice.MicSource := -1;
-      BassDevice.SourceRestore := -1;
-
-      // add a virtual default source (will not change mixer-settings)
-      SetLength(BassDevice.Source, 1);
-      BassDevice.Source[0].Name := DEFAULT_SOURCE_NAME;
-
-      // add real input sources
-      SourceIndex := 1;
-
-      // process each input
-      while true do
-      begin
-        SourceName := BASS_RecordGetInputName(SourceIndex-1);
-
-        {$IFDEF DARWIN}
-        // Under MacOSX the SingStar Mics have an empty InputName.
-        // So, we have to add a hard coded Workaround for this problem
-        // FIXME: - Do we need this anymore? Doesn't the (new) default source already solve this problem?
-        //        - Normally a nil return value of BASS_RecordGetInputName() means end-of-list, so maybe
-        //          BASS is not able to detect any mic-sources (the default source will work then).
-        //        - Does BASS_RecordGetInfo() return true or false? If it returns true in this case
-        //          we could use this value to check if the device exists.
-        //          Please check that, eddie.
-        //          If it returns false, then the source is not detected and it does not make sense to add a second
-        //          fake device here.
-        //          What about BASS_RecordGetInput()? Does it return a value <> -1?
-        //        - Does it even work at all with this fake source-index, now that input switching works?
-        //          This info was not used before (sources were never switched), so it did not matter what source-index was used.
-        //          But now BASS_RecordSetInput() will probably fail.
-        if ((SourceName = nil) and (SourceIndex = 1) and (Pos('USBMIC Serial#', Descr) > 0)) then
-          SourceName := 'Microphone'
-        {$ENDIF}
-        
-        if (SourceName = nil) then
-          break;
-
-        SetLength(BassDevice.Source, Length(BassDevice.Source)+1);
-        BassDevice.Source[SourceIndex].Name := SourceName;
-
-        // get input-source info
-        Flags := BASS_RecordGetInput(SourceIndex, PSingle(nil)^);
-        if (Flags <> -1) then
-        begin
-          // is the current source a mic-source?
-          if ((Flags and BASS_INPUT_TYPE_MIC) <> 0) then
-            BassDevice.MicSource := SourceIndex;
-        end;
-
-        Inc(SourceIndex);
-      end;
-
-      // FIXME: this call hangs in FPC (windows) every 2nd time USDX is called.
-      //   Maybe because the sound-device was not released properly?
-      BASS_RecordFree;
-
-      Inc(DeviceIndex);
-    end;
-
-    Inc(BassDeviceID);
-  end;
-
-  result := true;
-end;
-
-function TAudioInput_Bass.InitializeRecord(): boolean;
-begin
-  BassCore := TAudioCore_Bass.GetInstance();
-  Result := EnumDevices();
-end;
-
-function TAudioInput_Bass.FinalizeRecord(): boolean;
-begin
-  CaptureStop;
-  Result := inherited FinalizeRecord;
-end;
-
-
-initialization
-  MediaManager.Add(TAudioInput_Bass.Create);
-
-end.