From 1ba91d5a0e1df7419a561f6dcf16a0839509a5e7 Mon Sep 17 00:00:00 2001 From: k-m_schindler Date: Wed, 27 Aug 2008 13:28:57 +0000 Subject: Reordering of the directories[1]: moving Game/Code to src git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1302 b956fd51-792f-4845-bead-9b4dfca2ff2c --- Game/Code/lib/samplerate/samplerate.pas | 199 -------------------------------- 1 file changed, 199 deletions(-) delete mode 100644 Game/Code/lib/samplerate/samplerate.pas (limited to 'Game/Code/lib/samplerate') diff --git a/Game/Code/lib/samplerate/samplerate.pas b/Game/Code/lib/samplerate/samplerate.pas deleted file mode 100644 index 784b87da..00000000 --- a/Game/Code/lib/samplerate/samplerate.pas +++ /dev/null @@ -1,199 +0,0 @@ -{* -** Copyright (C) 2002-2004 Erik de Castro Lopo -** -** 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; if not, write to the Free Software -** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. -*} - -{* -** API documentation is available here: -** http://www.mega-nerd.com/SRC/api.html -*} - -unit samplerate; - -{$IFDEF FPC} - {$MODE DELPHI} - {$PACKENUM 4} (* use 4-byte enums *) - {$PACKRECORDS C} (* GCC/Visual C/C++ compatible record packing *) -{$ELSE} - {$MINENUMSIZE 4} (* use 4-byte enums *) -{$ENDIF} - - -interface - -uses - ctypes, - UConfig; - -const -{$IFDEF MSWINDOWS} - LibName = 'libsamplerate-0.dll'; -{$ENDIF} -{$IFDEF UNIX} - LibName = 'samplerate'; - {$IFDEF DARWIN} - {$LINKLIB libsamplerate} - {$ENDIF} -{$ENDIF} - -{ Opaque data type SRC_STATE. } -type - PSRC_STATE = ^SRC_STATE; - SRC_STATE = record - // opaque - end; - -{ SRC_DATA is used to pass data to src_simple() and src_process(). } -type - PSRC_DATA = ^SRC_DATA; - SRC_DATA = record - data_in, data_out: PCfloat; - input_frames, output_frames: clong; - input_frames_used, output_frames_gen: clong; - end_of_input: cint; - src_ratio: cdouble; - end; - -{ SRC_CB_DATA is used with callback based API. } -type - SRC_CB_DATA = record - frames: clong; - data_in: PCfloat; - end; - -{* -** User supplied callback function type for use with src_callback_new() -** and src_callback_read(). First parameter is the same pointer that was -** passed into src_callback_new(). Second parameter is pointer to a -** pointer. The user supplied callback function must modify *data to -** point to the start of the user supplied float array. The user supplied -** function must return the number of frames that **data points to. -*} -src_callback_t = function (cb_data: pointer; var data: PCfloat): clong; cdecl; - -{* -** Standard initialisation function : return an anonymous pointer to the -** internal state of the converter. Choose a converter from the enums below. -** Error returned in *error. -*} -function src_new(converter_type: cint; channels: cint; error: PCint): PSRC_STATE; cdecl; external LibName; - -{* -** Initilisation for callback based API : return an anonymous pointer to the -** internal state of the converter. Choose a converter from the enums below. -** The cb_data pointer can point to any data or be set to NULL. Whatever the -** value, when processing, user supplied function "func" gets called with -** cb_data as first parameter. -*} -function src_callback_new(func: src_callback_t; converter_type: cint; channels: cint; - error: Pinteger; cb_data: pointer): PSRC_STATE; cdecl; external LibName; - -{* -** Cleanup all internal allocations. -** Always returns NULL. -*} -function src_delete(state: PSRC_STATE): PSRC_STATE; cdecl; external LibName; - -{* -** Standard processing function. -** Returns non zero on error. -*} -function src_process(state: PSRC_STATE; data: PSRC_DATA): cint; cdecl; external LibName; - -{* -** Callback based processing function. Read up to frames worth of data from -** the converter int *data and return frames read or -1 on error. -*} -function src_callback_read(state: PSRC_STATE; src_ratio: cdouble; - frames: clong; data: PCfloat): clong; cdecl; external LibName; - -{* -** Simple interface for performing a single conversion from input buffer to -** output buffer at a fixed conversion ratio. -** Simple interface does not require initialisation as it can only operate on -** a single buffer worth of audio. -*} -function src_simple(data: PSRC_DATA; converter_type: cint; channels: cint): cint; cdecl; external LibName; - -{* -** This library contains a number of different sample rate converters, -** numbered 0 through N. -** -** Return a string giving either a name or a more full description of each -** sample rate converter or NULL if no sample rate converter exists for -** the given value. The converters are sequentially numbered from 0 to N. -*} -function src_get_name(converter_type: cint): {const} Pchar; cdecl; external LibName; -function src_get_description(converter_type: cint): {const} Pchar; cdecl; external LibName; -function src_get_version(): {const} Pchar; cdecl; external LibName; - -{* -** Set a new SRC ratio. This allows step responses -** in the conversion ratio. -** Returns non zero on error. -*} -function src_set_ratio(state: PSRC_STATE; new_ratio: cdouble): cint; cdecl; external LibName; - -{* -** Reset the internal SRC state. -** Does not modify the quality settings. -** Does not free any memory allocations. -** Returns non zero on error. -*} -function src_reset(state: PSRC_STATE): cint; cdecl; external LibName; - -{* -** Return TRUE if ratio is a valid conversion ratio, FALSE -** otherwise. -*} -function src_is_valid_ratio(ratio: cdouble): cint; cdecl; external LibName; - -{* -** Return an error number. -*} -function src_error(state: PSRC_STATE): cint; cdecl; external LibName; - -{* -** Convert the error number into a string. -*} -function src_strerror(error: cint): {const} Pchar; cdecl; external LibName; - -{* -** The following enums can be used to set the interpolator type -** using the function src_set_converter(). -*} -const - SRC_SINC_BEST_QUALITY = 0; - SRC_SINC_MEDIUM_QUALITY = 1; - SRC_SINC_FASTEST = 2; - SRC_ZERO_ORDER_HOLD = 3; - SRC_LINEAR = 4; - -{* -** Extra helper functions for converting from short to float and -** back again. -*} -procedure src_short_to_float_array(input: {const} PCshort; output: PCfloat; len: cint); cdecl; external LibName; -procedure src_float_to_short_array(input: {const} PCfloat; output: PCshort; len: cint); cdecl; external LibName; - -{$IF LIBSAMPLERATE_VERSION >= 1003} // 0.1.3 -procedure src_int_to_float_array(input: {const} PCint; output: PCfloat; len: cint); cdecl; external LibName; -procedure src_float_to_int_array(input: {const} PCfloat; output: PCint; len: cint); cdecl; external LibName; -{$IFEND} - -implementation - -end. -- cgit v1.2.3