From b38772ffdbcc6bf2189d0e14a9828f911ea44a7d Mon Sep 17 00:00:00 2001 From: tobigun Date: Sat, 21 Mar 2009 19:25:18 +0000 Subject: new branch for whiteshark's service and hook based (party) plugins git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@1643 b956fd51-792f-4845-bead-9b4dfca2ff2c --- ServiceBasedPlugins/src/media/UAudioCore_Bass.pas | 148 ++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 ServiceBasedPlugins/src/media/UAudioCore_Bass.pas (limited to 'ServiceBasedPlugins/src/media/UAudioCore_Bass.pas') diff --git a/ServiceBasedPlugins/src/media/UAudioCore_Bass.pas b/ServiceBasedPlugins/src/media/UAudioCore_Bass.pas new file mode 100644 index 00000000..12623dc1 --- /dev/null +++ b/ServiceBasedPlugins/src/media/UAudioCore_Bass.pas @@ -0,0 +1,148 @@ +{* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + *} + +unit UAudioCore_Bass; + +interface + +{$IFDEF FPC} + {$MODE Delphi} +{$ENDIF} + +{$I switches.inc} + +uses + Classes, + SysUtils, + UMusic, + bass; // (Note: DWORD is defined here) + +type + TAudioCore_Bass = class + public + constructor Create(); + class function GetInstance(): TAudioCore_Bass; + function ErrorGetString(): string; overload; + function ErrorGetString(errCode: integer): string; overload; + function ConvertAudioFormatToBASSFlags(Format: TAudioSampleFormat; out Flags: DWORD): boolean; + function ConvertBASSFlagsToAudioFormat(Flags: DWORD; out Format: TAudioSampleFormat): boolean; + end; + +implementation + +uses + UMain, + ULog; + +var + Instance: TAudioCore_Bass; + +constructor TAudioCore_Bass.Create(); +begin + inherited; +end; + +class function TAudioCore_Bass.GetInstance(): TAudioCore_Bass; +begin + if (not Assigned(Instance)) then + Instance := TAudioCore_Bass.Create(); + Result := Instance; +end; + +function TAudioCore_Bass.ErrorGetString(): string; +begin + Result := ErrorGetString(BASS_ErrorGetCode()); +end; + +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_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_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_ENDED: result := 'The channel/file has ended'; + BASS_ERROR_UNKNOWN: result := 'Unknown error'; + else result := 'Unknown error'; + end; +end; + +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; + +function TAudioCore_Bass.ConvertBASSFlagsToAudioFormat(Flags: DWORD; out Format: TAudioSampleFormat): boolean; +begin + if ((Flags and BASS_SAMPLE_FLOAT) <> 0) then + Format := asfFloat + else if ((Flags and BASS_SAMPLE_8BITS) <> 0) then + Format := asfU8 + else + Format := asfS16; + + Result := true; +end; + +end. -- cgit v1.2.3