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|
unit UAudioCore_Bass;
interface
{$IFDEF FPC}
{$MODE Delphi}
{$ENDIF}
{$I switches.inc}
uses
{$IFDEF MSWINDOWS}
Windows,
{$ENDIF}
Classes,
SysUtils,
UMusic;
type
TAudioCore_Bass = class
private
public
class function ErrorGetString(): string; overload;
class function ErrorGetString(errCode: integer): string; overload;
class function ConvertAudioFormatToBASSFlags(Format: TAudioSampleFormat; out Flags: DWORD): boolean;
end;
implementation
uses
UMain,
ULog,
bass;
class function TAudioCore_Bass.ErrorGetString(): string;
begin
Result := ErrorGetString(BASS_ErrorGetCode());
end;
class function TAudioCore_Bass.ErrorGetString(errCode: integer): string;
begin
case errCode of
BASS_OK:
result := 'No error';
BASS_ERROR_MEM:
result := 'Insufficient memory';
BASS_ERROR_FILEOPEN:
result := 'File could not be opened';
BASS_ERROR_DRIVER:
result := 'Device driver not available';
BASS_ERROR_BUFLOST:
result := 'Buffer lost';
BASS_ERROR_HANDLE:
result := 'Invalid Handle';
BASS_ERROR_FORMAT:
result := 'Sample-Format not supported';
BASS_ERROR_POSITION:
result := 'Illegal position';
BASS_ERROR_INIT:
result := 'BASS_Init has not been successfully called';
BASS_ERROR_START:
result := 'Paused/stopped';
BASS_ERROR_ALREADY:
result := 'Already created/used';
BASS_ERROR_NOPAUSE:
result := 'No pause';
BASS_ERROR_NOCHAN:
result := 'No free channels';
BASS_ERROR_ILLTYPE:
result := 'Type is invalid';
BASS_ERROR_ILLPARAM:
result := 'Illegal parameter';
BASS_ERROR_NO3D:
result := 'No 3D support';
BASS_ERROR_NOEAX:
result := 'No EAX support';
BASS_ERROR_DEVICE:
result := 'Invalid device number';
BASS_ERROR_NOPLAY:
result := 'Channel not playing';
BASS_ERROR_FREQ:
result := 'Freq out of range';
BASS_ERROR_NOTFILE:
result := 'Not a file stream';
BASS_ERROR_NOHW:
result := 'No hardware support';
BASS_ERROR_EMPTY:
result := 'Is empty';
BASS_ERROR_NONET:
result := 'Network unavailable';
BASS_ERROR_CREATE:
result := 'Creation error';
BASS_ERROR_NOFX:
result := 'DX8 effects unavailable';
BASS_ERROR_PLAYING:
result := 'Channel is playing';
BASS_ERROR_NOTAVAIL:
result := 'Not available';
BASS_ERROR_DECODE:
result := 'Is a decoding channel';
BASS_ERROR_DX:
result := 'Insufficient version of DirectX';
BASS_ERROR_TIMEOUT:
result := 'Timeout';
BASS_ERROR_FILEFORM:
result := 'File-Format not recognised/supported';
BASS_ERROR_SPEAKER:
result := 'Requested speaker(s) not support';
BASS_ERROR_VERSION:
result := 'Version error';
BASS_ERROR_CODEC:
result := 'Codec not available/supported';
BASS_ERROR_UNKNOWN:
result := 'Unknown error';
else
result := 'Unknown error';
end;
end;
class function TAudioCore_Bass.ConvertAudioFormatToBASSFlags(Format: TAudioSampleFormat; out Flags: DWORD): boolean;
begin
case Format of
asfS16:
Flags := 0;
asfFloat:
Flags := BASS_SAMPLE_FLOAT;
asfU8:
Flags := BASS_SAMPLE_8BITS;
else begin
Result := false;
Exit;
end;
end;
Result := true;
end;
end.
|
