Remove libsamplerate dependency

This commit is contained in:
Connor McLaughlin 2019-10-20 22:24:57 +10:00
parent 14bc2a1164
commit 9058a79184
24 changed files with 1 additions and 369898 deletions

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@ -1,7 +1,6 @@
add_subdirectory(glad) add_subdirectory(glad)
add_subdirectory(imgui) add_subdirectory(imgui)
add_subdirectory(libcue) add_subdirectory(libcue)
add_subdirectory(libsamplerate)
add_subdirectory(nativefiledialog) add_subdirectory(nativefiledialog)
add_subdirectory(stb) add_subdirectory(stb)

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Erik de Castro Lopo <erikd@mega-nerd.com>

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set(SRCS
include/samplerate.h
src/common.h
src/config.h
src/fastest_coeffs.h
src/float_cast.h
src/high_qual_coeffs.h
src/mid_qual_coeffs.h
src/samplerate.c
src/src_linear.c
src/src_sinc.c
src/src_zoh.c
)
add_library(libsamplerate ${SRCS})
target_include_directories(libsamplerate PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/include")
target_include_directories(libsamplerate INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/include")
set_target_properties(libsamplerate PROPERTIES LINKER_LANGUAGE C)

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Copyright (c) 2012-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

File diff suppressed because it is too large Load diff

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Version 0.1.9 (2016-09-23)
* Relicense under 2 clause BSD license.
* Minor bug fixes and upates.
Version 0.1.8 (2011-08-15)
* Minor bug fixes and upates.
Version 0.1.7 (2009-02-14)
* Fix a segfault which occurs when memcpy is passed a bad length parameter.
* Fix compilation under MSVC.
Version 0.1.6 (2009-01-27)
* Minor bug fix in test suite (account for rounding error on x86_64).
Version 0.1.5 (2009-01-11)
* Optimisation resulting dramatic throughput improvements.
Version 0.1.4 (2008-07-02)
* Fix bug which causes a segfault with extremely low conversion ratios.
Version 0.1.3 (2008-03-23)
* Huge improvement to the quality of conversion with the
SRC_SINC_MEDIUM_QUALITY and SRC_SINC_BEST_QUALITY converters.
* Minor bug fixes.
Version 0.1.2 (2004-09-12)
* Fixed where callback based API wasn't being reset properly.
* Minor bug fixes.
Version 0.1.1 (2004-07-17)
* Fixed bug in callback based API.
* Fixed a bug brought to light by aggressive optimisations of gcc-3.4.
* Minor bug fixes.
Version 0.1.0 (2004-03-14)
* Added callback based API.
* Added a pair of functions for doing short to float and float to short
conversions on an arrays of data.
* Many minor bug fixes.

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This is libsamplerate, 0.1.9
libsamplerate (also known as Secret Rabbit Code) is a library for
perfroming sample rate conversion of audio data.
The src/ directory contains the source code for library itself.
The doc/ directory contains the libsamplerate documentation.
The examples/ directory contains examples of how to write code using
libsamplerate.
The tests/ directory contains programs which link against
libsamplerate and test its functionality.
The Win32/ directory contains files and documentation to allow
libsamplerate to compile under Win32 with the Microsoft Visual C++
compiler.
Win32
-----
There are detailed instructions for building libsamplerate on Win32
in the file
doc/win32.html
MacOSX
------
Building on MacOSX should be the same as building it on any other
Unix.
OTHER PLATFORMS
---------------
To compile libsamplerate on platforms which have a Bourne Shell compatible
shell, an ANSI C compiler and a make utility should require no more that
the following three commands :
./configure
make
make install
CONTACTS
--------
libsamplerate was written by Erik de Castro Lopo (erikd AT mega-nerd DOT com).
The libsamplerate home page is at :
http://www.mega-nerd.com/libsamplerate/

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/*
** Copyright (c) 2002-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
** All rights reserved.
**
** This code is released under 2-clause BSD license. Please see the
** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
*/
/*
** API documentation is available here:
** http://www.mega-nerd.com/SRC/api.html
*/
#ifndef SAMPLERATE_H
#define SAMPLERATE_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Opaque data type SRC_STATE. */
typedef struct SRC_STATE_tag SRC_STATE ;
/* SRC_DATA is used to pass data to src_simple() and src_process(). */
typedef struct
{ const float *data_in ;
float *data_out ;
long input_frames, output_frames ;
long input_frames_used, output_frames_gen ;
int end_of_input ;
double src_ratio ;
} SRC_DATA ;
/*
** 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.
*/
typedef long (*src_callback_t) (void *cb_data, float **data) ;
/*
** 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.
*/
SRC_STATE* src_new (int converter_type, int channels, int *error) ;
/*
** 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.
*/
SRC_STATE* src_callback_new (src_callback_t func, int converter_type, int channels,
int *error, void* cb_data) ;
/*
** Cleanup all internal allocations.
** Always returns NULL.
*/
SRC_STATE* src_delete (SRC_STATE *state) ;
/*
** Standard processing function.
** Returns non zero on error.
*/
int src_process (SRC_STATE *state, SRC_DATA *data) ;
/*
** Callback based processing function. Read up to frames worth of data from
** the converter int *data and return frames read or -1 on error.
*/
long src_callback_read (SRC_STATE *state, double src_ratio, long frames, float *data) ;
/*
** 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.
*/
int src_simple (SRC_DATA *data, int converter_type, int channels) ;
/*
** 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.
*/
const char *src_get_name (int converter_type) ;
const char *src_get_description (int converter_type) ;
const char *src_get_version (void) ;
/*
** Set a new SRC ratio. This allows step responses
** in the conversion ratio.
** Returns non zero on error.
*/
int src_set_ratio (SRC_STATE *state, double new_ratio) ;
/*
** Get the current channel count.
** Returns negative on error, positive channel count otherwise
*/
int src_get_channels (SRC_STATE *state) ;
/*
** Reset the internal SRC state.
** Does not modify the quality settings.
** Does not free any memory allocations.
** Returns non zero on error.
*/
int src_reset (SRC_STATE *state) ;
/*
** Return TRUE if ratio is a valid conversion ratio, FALSE
** otherwise.
*/
int src_is_valid_ratio (double ratio) ;
/*
** Return an error number.
*/
int src_error (SRC_STATE *state) ;
/*
** Convert the error number into a string.
*/
const char* src_strerror (int error) ;
/*
** The following enums can be used to set the interpolator type
** using the function src_set_converter().
*/
enum
{
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.
*/
void src_short_to_float_array (const short *in, float *out, int len) ;
void src_float_to_short_array (const float *in, short *out, int len) ;
void src_int_to_float_array (const int *in, float *out, int len) ;
void src_float_to_int_array (const float *in, int *out, int len) ;
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* SAMPLERATE_H */

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<SubSystem>Windows</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<OptimizeReferences>true</OptimizeReferences>
<AdditionalDependencies>SDL2.lib;SDL2main.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalLibraryDirectories>$(SolutionDir)dep\lib64;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseLTCG|x64'">
<ClCompile>
<WarningLevel>Level4</WarningLevel>
<PrecompiledHeader>
</PrecompiledHeader>
<Optimization>MaxSpeed</Optimization>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_CONSOLE;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<AdditionalIncludeDirectories>$(ProjectDir)include;$(ProjectDir)src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<WholeProgramOptimization>true</WholeProgramOptimization>
<LanguageStandard>stdcpp17</LanguageStandard>
<OmitFramePointers>true</OmitFramePointers>
</ClCompile>
<Link>
<SubSystem>Windows</SubSystem>
<GenerateDebugInformation>true</GenerateDebugInformation>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<OptimizeReferences>true</OptimizeReferences>
<AdditionalDependencies>SDL2.lib;SDL2main.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalLibraryDirectories>$(SolutionDir)dep\lib64;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
</Link>
</ItemDefinitionGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>

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@ -1,18 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<ClInclude Include="src\fastest_coeffs.h" />
<ClInclude Include="src\float_cast.h" />
<ClInclude Include="src\high_qual_coeffs.h" />
<ClInclude Include="src\mid_qual_coeffs.h" />
<ClInclude Include="src\common.h" />
<ClInclude Include="src\config.h" />
<ClInclude Include="include\samplerate.h" />
</ItemGroup>
<ItemGroup>
<ClCompile Include="src\samplerate.c" />
<ClCompile Include="src\src_linear.c" />
<ClCompile Include="src\src_sinc.c" />
<ClCompile Include="src\src_zoh.c" />
</ItemGroup>
</Project>

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@ -1,160 +0,0 @@
/*
** Copyright (c) 2002-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
** All rights reserved.
**
** This code is released under 2-clause BSD license. Please see the
** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
*/
#ifndef COMMON_H_INCLUDED
#define COMMON_H_INCLUDED
#ifdef HAVE_STDINT_H
#include <stdint.h>
#elif (SIZEOF_INT == 4)
typedef int int32_t ;
#elif (SIZEOF_LONG == 4)
typedef long int32_t ;
#endif
#define SRC_MAX_RATIO 256
#define SRC_MAX_RATIO_STR "256"
#define SRC_MIN_RATIO_DIFF (1e-20)
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#define ARRAY_LEN(x) ((int) (sizeof (x) / sizeof ((x) [0])))
#define OFFSETOF(type,member) ((int) (&((type*) 0)->member))
#define MAKE_MAGIC(a,b,c,d,e,f) ((a) + ((b) << 4) + ((c) << 8) + ((d) << 12) + ((e) << 16) + ((f) << 20))
/*
** Inspiration : http://sourcefrog.net/weblog/software/languages/C/unused.html
*/
#ifdef UNUSED
#elif defined (__GNUC__)
# define UNUSED(x) UNUSED_ ## x __attribute__ ((unused))
#elif defined (__LCLINT__)
# define UNUSED(x) /*@unused@*/ x
#else
# define UNUSED(x) x
#endif
#ifdef __GNUC__
# define WARN_UNUSED __attribute__ ((warn_unused_result))
#else
# define WARN_UNUSED
#endif
#include "samplerate.h"
enum
{ SRC_FALSE = 0,
SRC_TRUE = 1,
SRC_MODE_PROCESS = 555,
SRC_MODE_CALLBACK = 556
} ;
enum
{ SRC_ERR_NO_ERROR = 0,
SRC_ERR_MALLOC_FAILED,
SRC_ERR_BAD_STATE,
SRC_ERR_BAD_DATA,
SRC_ERR_BAD_DATA_PTR,
SRC_ERR_NO_PRIVATE,
SRC_ERR_BAD_SRC_RATIO,
SRC_ERR_BAD_PROC_PTR,
SRC_ERR_SHIFT_BITS,
SRC_ERR_FILTER_LEN,
SRC_ERR_BAD_CONVERTER,
SRC_ERR_BAD_CHANNEL_COUNT,
SRC_ERR_SINC_BAD_BUFFER_LEN,
SRC_ERR_SIZE_INCOMPATIBILITY,
SRC_ERR_BAD_PRIV_PTR,
SRC_ERR_BAD_SINC_STATE,
SRC_ERR_DATA_OVERLAP,
SRC_ERR_BAD_CALLBACK,
SRC_ERR_BAD_MODE,
SRC_ERR_NULL_CALLBACK,
SRC_ERR_NO_VARIABLE_RATIO,
SRC_ERR_SINC_PREPARE_DATA_BAD_LEN,
SRC_ERR_BAD_INTERNAL_STATE,
/* This must be the last error number. */
SRC_ERR_MAX_ERROR
} ;
typedef struct SRC_PRIVATE_tag
{ double last_ratio, last_position ;
int error ;
int channels ;
/* SRC_MODE_PROCESS or SRC_MODE_CALLBACK */
int mode ;
/* Pointer to data to converter specific data. */
void *private_data ;
/* Varispeed process function. */
int (*vari_process) (struct SRC_PRIVATE_tag *psrc, SRC_DATA *data) ;
/* Constant speed process function. */
int (*const_process) (struct SRC_PRIVATE_tag *psrc, SRC_DATA *data) ;
/* State reset. */
void (*reset) (struct SRC_PRIVATE_tag *psrc) ;
/* Data specific to SRC_MODE_CALLBACK. */
src_callback_t callback_func ;
void *user_callback_data ;
long saved_frames ;
const float *saved_data ;
} SRC_PRIVATE ;
/* In src_sinc.c */
const char* sinc_get_name (int src_enum) ;
const char* sinc_get_description (int src_enum) ;
int sinc_set_converter (SRC_PRIVATE *psrc, int src_enum) ;
/* In src_linear.c */
const char* linear_get_name (int src_enum) ;
const char* linear_get_description (int src_enum) ;
int linear_set_converter (SRC_PRIVATE *psrc, int src_enum) ;
/* In src_zoh.c */
const char* zoh_get_name (int src_enum) ;
const char* zoh_get_description (int src_enum) ;
int zoh_set_converter (SRC_PRIVATE *psrc, int src_enum) ;
/*----------------------------------------------------------
** Common static inline functions.
*/
static inline double
fmod_one (double x)
{ double res ;
res = x - lrint (x) ;
if (res < 0.0)
return res + 1.0 ;
return res ;
} /* fmod_one */
static inline int
is_bad_src_ratio (double ratio)
{ return (ratio < (1.0 / SRC_MAX_RATIO) || ratio > (1.0 * SRC_MAX_RATIO)) ;
} /* is_bad_src_ratio */
#endif /* COMMON_H_INCLUDED */

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@ -1,197 +0,0 @@
/*
** Copyright (c) 2002-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
** All rights reserved.
**
** This code is released under 2-clause BSD license. Please see the
** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
*/
/*
** This is the Win32 specific config.h header file.
**
** On Unix (including MacOSX), this header file is automatically generated
** during the configure process while on Win32 this has to be hand edited
** to keep it up to date.
**
** This is also a good file to add Win32 specific things.
*/
/*
** MSVC++ assumes that all floating point constants without a trailing
** letter 'f' are double precision.
**
** If this assumption is incorrect and one of these floating point constants
** is assigned to a float variable MSVC++ generates a warning.
**
** Since there are currently about 25000 of these warnings generated in
** src/src_sinc.c this slows down compile times considerably. The
** following #pragma disables the warning.
*/
#pragma warning(disable: 4305)
/*----------------------------------------------------------------------------
** Normal #defines follow.
*/
/* Set to 1 if the compile is GNU GCC. */
#define COMPILER_IS_GCC 0
/* Target processor clips on negative float to int conversion. */
#define CPU_CLIPS_NEGATIVE 0
/* Target processor clips on positive float to int conversion. */
#define CPU_CLIPS_POSITIVE 0
/* Target processor is big endian. */
#define CPU_IS_BIG_ENDIAN 0
/* Target processor is little endian. */
#define CPU_IS_LITTLE_ENDIAN 1
/* Set to 1 to enable debugging. */
#define ENABLE_DEBUG 0
/* Major version of GCC or 3 otherwise. */
/* #undef GCC_MAJOR_VERSION */
/* Define to 1 if you have the `alarm' function. */
/* #undef HAVE_ALARM */
/* Define to 1 if you have the `calloc' function. */
#define HAVE_CALLOC 1
/* Define to 1 if you have the `ceil' function. */
#define HAVE_CEIL 1
/* Define to 1 if you have the <dlfcn.h> header file. */
/* #undef HAVE_DLFCN_H */
/* Set to 1 if you have libfftw3. */
/* #undef HAVE_FFTW3 */
/* Define to 1 if you have the `floor' function. */
#define HAVE_FLOOR 1
/* Define to 1 if you have the `fmod' function. */
#define HAVE_FMOD 1
/* Define to 1 if you have the `free' function. */
#define HAVE_FREE 1
/* Define to 1 if you have the <inttypes.h> header file. */
/* #undef HAVE_INTTYPES_H */
/* Define to 1 if you have the `m' library (-lm). */
/* #undef HAVE_LIBM */
/* Define if you have C99's lrint function. */
/* #undef HAVE_LRINT */
/* Define if you have C99's lrintf function. */
/* #undef HAVE_LRINTF */
/* Define to 1 if you have the `malloc' function. */
#define HAVE_MALLOC 1
/* Define to 1 if you have the `memcpy' function. */
#define HAVE_MEMCPY 1
/* Define to 1 if you have the `memmove' function. */
#define HAVE_MEMMOVE 1
/* Define to 1 if you have the <memory.h> header file. */
#define HAVE_MEMORY_H 1
/* Define if you have signal SIGALRM. */
/* #undef HAVE_SIGALRM */
/* Define to 1 if you have the `signal' function. */
/* #undef HAVE_SIGNAL */
/* Set to 1 if you have libsndfile. */
#define HAVE_SNDFILE 1
/* Define to 1 if you have the <stdint.h> header file. */
/* #undef HAVE_STDINT_H */
/* Define to 1 if you have the <stdlib.h> header file. */
#define HAVE_STDLIB_H 1
/* Define to 1 if you have the <strings.h> header file. */
#define HAVE_STRINGS_H 1
/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_H 1
/* Define to 1 if you have the <sys/stat.h> header file. */
#define HAVE_SYS_STAT_H 1
/* Define to 1 if you have the <sys/times.h> header file. */
/* #undef HAVE_SYS_TIMES_H */
/* Define to 1 if you have the <sys/types.h> header file. */
#define HAVE_SYS_TYPES_H 1
/* Define to 1 if you have the <unistd.h> header file. */
#define HAVE_UNISTD_H 1
/* Define to the sub-directory in which libtool stores uninstalled libraries.
*/
#define LT_OBJDIR ".libs/"
/* Define to 1 if your C compiler doesn't accept -c and -o together. */
/* #undef NO_MINUS_C_MINUS_O */
/* Set to 1 if compiling for Win32 */
#define OS_IS_WIN32 1
/* Name of package */
#define PACKAGE "libsamplerate"
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT "erikd@mega-nerd.com"
/* Define to the full name of this package. */
#define PACKAGE_NAME "libsamplerate"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "libsamplerate 0.1.8"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "libsamplerate"
/* Define to the home page for this package. */
#define PACKAGE_URL "http://www.mega-nerd.com/libsamplerate/"
/* Define to the version of this package. */
#define PACKAGE_VERSION "0.1.8"
/* The size of `double', as computed by sizeof. */
#define SIZEOF_DOUBLE 8
/* The size of `float', as computed by sizeof. */
#define SIZEOF_FLOAT 4
/* The size of `int', as computed by sizeof. */
#define SIZEOF_INT 4
/* The size of `long', as computed by sizeof. */
#define SIZEOF_LONG 4
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Version number of package */
#define VERSION "0.1.8"
/* Extra Win32 hacks. */
/*
** Microsoft's compiler still does not support the 1999 ISO C Standard
** which includes 'inline'.
*/
#define inline __inline

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/*
** Copyright (c) 2001-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
** All rights reserved.
**
** This code is released under 2-clause BSD license. Please see the
** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
*/
/* Version 1.5 */
#ifndef FLOAT_CAST_HEADER
#define FLOAT_CAST_HEADER
/*============================================================================
** On Intel Pentium processors (especially PIII and probably P4), converting
** from float to int is very slow. To meet the C specs, the code produced by
** most C compilers targeting Pentium needs to change the FPU rounding mode
** before the float to int conversion is performed.
**
** Changing the FPU rounding mode causes the FPU pipeline to be flushed. It
** is this flushing of the pipeline which is so slow.
**
** Fortunately the ISO C99 specifications define the functions lrint, lrintf,
** llrint and llrintf which fix this problem as a side effect.
**
** On Unix-like systems, the configure process should have detected the
** presence of these functions. If they weren't found we have to replace them
** here with a standard C cast.
*/
/*
** The C99 prototypes for lrint and lrintf are as follows:
**
** long int lrintf (float x) ;
** long int lrint (double x) ;
*/
#include "config.h"
/*
** The presence of the required functions are detected during the configure
** process and the values HAVE_LRINT and HAVE_LRINTF are set accordingly in
** the config.h file.
*/
#define HAVE_LRINT_REPLACEMENT 0
#if (HAVE_LRINT && HAVE_LRINTF)
/*
** These defines enable functionality introduced with the 1999 ISO C
** standard. They must be defined before the inclusion of math.h to
** engage them. If optimisation is enabled, these functions will be
** inlined. With optimisation switched off, you have to link in the
** maths library using -lm.
*/
#define _ISOC9X_SOURCE 1
#define _ISOC99_SOURCE 1
#define __USE_ISOC9X 1
#define __USE_ISOC99 1
#include <math.h>
#elif (defined (__CYGWIN__))
#include <math.h>
#undef HAVE_LRINT_REPLACEMENT
#define HAVE_LRINT_REPLACEMENT 1
#undef lrint
#undef lrintf
#define lrint double2int
#define lrintf float2int
/*
** The native CYGWIN lrint and lrintf functions are buggy:
** http://sourceware.org/ml/cygwin/2005-06/msg00153.html
** http://sourceware.org/ml/cygwin/2005-09/msg00047.html
** and slow.
** These functions (pulled from the Public Domain MinGW math.h header)
** replace the native versions.
*/
static inline long double2int (double in)
{ long retval ;
__asm__ __volatile__
( "fistpl %0"
: "=m" (retval)
: "t" (in)
: "st"
) ;
return retval ;
} /* double2int */
static inline long float2int (float in)
{ long retval ;
__asm__ __volatile__
( "fistpl %0"
: "=m" (retval)
: "t" (in)
: "st"
) ;
return retval ;
} /* float2int */
#elif (defined (WIN64) || defined(_WIN64)) && !defined(__MINGW64__)
/* Win64 section should be places before Win32 one, because
** most likely both WIN32 and WIN64 will be defined in 64-bit case.
*/
#include <math.h>
/* Win64 doesn't seem to have these functions, nor inline assembly.
** Therefore implement inline versions of these functions here.
*/
#include <emmintrin.h>
#include <mmintrin.h>
__inline long int
lrint(double flt)
{
return _mm_cvtsd_si32(_mm_load_sd(&flt));
}
__inline long int
lrintf(float flt)
{
return _mm_cvtss_si32(_mm_load_ss(&flt));
}
#elif (defined (WIN32) || defined (_WIN32)) && !defined(__MINGW32__)
#undef HAVE_LRINT_REPLACEMENT
#define HAVE_LRINT_REPLACEMENT 1
#include <math.h>
/*
** Win32 doesn't seem to have these functions.
** Therefore implement inline versions of these functions here.
*/
__inline long int
lrint (double flt)
{ int intgr ;
_asm
{ fld flt
fistp intgr
} ;
return intgr ;
}
__inline long int
lrintf (float flt)
{ int intgr ;
_asm
{ fld flt
fistp intgr
} ;
return intgr ;
}
#elif (defined (__MWERKS__) && defined (macintosh))
/* This MacOS 9 solution was provided by Stephane Letz */
#undef HAVE_LRINT_REPLACEMENT
#define HAVE_LRINT_REPLACEMENT 1
#include <math.h>
#undef lrint
#undef lrintf
#define lrint double2int
#define lrintf float2int
inline int
float2int (register float in)
{ long res [2] ;
asm
{ fctiw in, in
stfd in, res
}
return res [1] ;
} /* float2int */
inline int
double2int (register double in)
{ long res [2] ;
asm
{ fctiw in, in
stfd in, res
}
return res [1] ;
} /* double2int */
#elif (defined (__MACH__) && defined (__APPLE__))
/* For Apple MacOSX. */
#undef HAVE_LRINT_REPLACEMENT
#define HAVE_LRINT_REPLACEMENT 1
#include <math.h>
#undef lrint
#undef lrintf
#define lrint double2int
#define lrintf float2int
inline static long
float2int (register float in)
{ int res [2] ;
__asm__ __volatile__
( "fctiw %1, %1\n\t"
"stfd %1, %0"
: "=m" (res) /* Output */
: "f" (in) /* Input */
: "memory"
) ;
return res [1] ;
} /* lrintf */
inline static long
double2int (register double in)
{ int res [2] ;
__asm__ __volatile__
( "fctiw %1, %1\n\t"
"stfd %1, %0"
: "=m" (res) /* Output */
: "f" (in) /* Input */
: "memory"
) ;
return res [1] ;
} /* lrint */
#else
#ifndef __sgi
#warning "Don't have the functions lrint() and lrintf()."
#warning "Replacing these functions with a standard C cast."
#endif
#include <math.h>
#define lrint(dbl) ((long) (dbl))
#define lrintf(flt) ((long) (flt))
#endif
#endif /* FLOAT_CAST_HEADER */

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/*
** Copyright (c) 2002-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
** All rights reserved.
**
** This code is released under 2-clause BSD license. Please see the
** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "samplerate.h"
#include "float_cast.h"
#include "common.h"
static int psrc_set_converter (SRC_PRIVATE *psrc, int converter_type) ;
SRC_STATE *
src_new (int converter_type, int channels, int *error)
{ SRC_PRIVATE *psrc ;
if (error)
*error = SRC_ERR_NO_ERROR ;
if (channels < 1)
{ if (error)
*error = SRC_ERR_BAD_CHANNEL_COUNT ;
return NULL ;
} ;
if ((psrc = calloc (1, sizeof (*psrc))) == NULL)
{ if (error)
*error = SRC_ERR_MALLOC_FAILED ;
return NULL ;
} ;
psrc->channels = channels ;
psrc->mode = SRC_MODE_PROCESS ;
if (psrc_set_converter (psrc, converter_type) != SRC_ERR_NO_ERROR)
{ if (error)
*error = SRC_ERR_BAD_CONVERTER ;
free (psrc) ;
psrc = NULL ;
} ;
src_reset ((SRC_STATE*) psrc) ;
return (SRC_STATE*) psrc ;
} /* src_new */
SRC_STATE*
src_callback_new (src_callback_t func, int converter_type, int channels, int *error, void* cb_data)
{ SRC_STATE *src_state ;
if (func == NULL)
{ if (error)
*error = SRC_ERR_BAD_CALLBACK ;
return NULL ;
} ;
if (error != NULL)
*error = 0 ;
if ((src_state = src_new (converter_type, channels, error)) == NULL)
return NULL ;
src_reset (src_state) ;
((SRC_PRIVATE*) src_state)->mode = SRC_MODE_CALLBACK ;
((SRC_PRIVATE*) src_state)->callback_func = func ;
((SRC_PRIVATE*) src_state)->user_callback_data = cb_data ;
return src_state ;
} /* src_callback_new */
SRC_STATE *
src_delete (SRC_STATE *state)
{ SRC_PRIVATE *psrc ;
psrc = (SRC_PRIVATE*) state ;
if (psrc)
{ if (psrc->private_data)
free (psrc->private_data) ;
memset (psrc, 0, sizeof (SRC_PRIVATE)) ;
free (psrc) ;
} ;
return NULL ;
} /* src_state */
int
src_process (SRC_STATE *state, SRC_DATA *data)
{ SRC_PRIVATE *psrc ;
int error ;
psrc = (SRC_PRIVATE*) state ;
if (psrc == NULL)
return SRC_ERR_BAD_STATE ;
if (psrc->vari_process == NULL || psrc->const_process == NULL)
return SRC_ERR_BAD_PROC_PTR ;
if (psrc->mode != SRC_MODE_PROCESS)
return SRC_ERR_BAD_MODE ;
/* Check for valid SRC_DATA first. */
if (data == NULL)
return SRC_ERR_BAD_DATA ;
/* And that data_in and data_out are valid. */
if (data->data_in == NULL || data->data_out == NULL)
return SRC_ERR_BAD_DATA_PTR ;
/* Check src_ratio is in range. */
if (is_bad_src_ratio (data->src_ratio))
return SRC_ERR_BAD_SRC_RATIO ;
if (data->input_frames < 0)
data->input_frames = 0 ;
if (data->output_frames < 0)
data->output_frames = 0 ;
if (data->data_in < data->data_out)
{ if (data->data_in + data->input_frames * psrc->channels > data->data_out)
{ /*-printf ("\n\ndata_in: %p data_out: %p\n",
(void*) (data->data_in + data->input_frames * psrc->channels), (void*) data->data_out) ;-*/
return SRC_ERR_DATA_OVERLAP ;
} ;
}
else if (data->data_out + data->output_frames * psrc->channels > data->data_in)
{ /*-printf ("\n\ndata_in : %p ouput frames: %ld data_out: %p\n", (void*) data->data_in, data->output_frames, (void*) data->data_out) ;
printf ("data_out: %p (%p) data_in: %p\n", (void*) data->data_out,
(void*) (data->data_out + data->input_frames * psrc->channels), (void*) data->data_in) ;-*/
return SRC_ERR_DATA_OVERLAP ;
} ;
/* Set the input and output counts to zero. */
data->input_frames_used = 0 ;
data->output_frames_gen = 0 ;
/* Special case for when last_ratio has not been set. */
if (psrc->last_ratio < (1.0 / SRC_MAX_RATIO))
psrc->last_ratio = data->src_ratio ;
/* Now process. */
if (fabs (psrc->last_ratio - data->src_ratio) < 1e-15)
error = psrc->const_process (psrc, data) ;
else
error = psrc->vari_process (psrc, data) ;
return error ;
} /* src_process */
long
src_callback_read (SRC_STATE *state, double src_ratio, long frames, float *data)
{ SRC_PRIVATE *psrc ;
SRC_DATA src_data ;
long output_frames_gen ;
int error = 0 ;
if (state == NULL)
return 0 ;
if (frames <= 0)
return 0 ;
psrc = (SRC_PRIVATE*) state ;
if (psrc->mode != SRC_MODE_CALLBACK)
{ psrc->error = SRC_ERR_BAD_MODE ;
return 0 ;
} ;
if (psrc->callback_func == NULL)
{ psrc->error = SRC_ERR_NULL_CALLBACK ;
return 0 ;
} ;
memset (&src_data, 0, sizeof (src_data)) ;
/* Check src_ratio is in range. */
if (is_bad_src_ratio (src_ratio))
{ psrc->error = SRC_ERR_BAD_SRC_RATIO ;
return 0 ;
} ;
/* Switch modes temporarily. */
src_data.src_ratio = src_ratio ;
src_data.data_out = data ;
src_data.output_frames = frames ;
src_data.data_in = psrc->saved_data ;
src_data.input_frames = psrc->saved_frames ;
output_frames_gen = 0 ;
while (output_frames_gen < frames)
{ /* Use a dummy array for the case where the callback function
** returns without setting the ptr.
*/
float dummy [1] ;
if (src_data.input_frames == 0)
{ float *ptr = dummy ;
src_data.input_frames = psrc->callback_func (psrc->user_callback_data, &ptr) ;
src_data.data_in = ptr ;
if (src_data.input_frames == 0)
src_data.end_of_input = 1 ;
} ;
/*
** Now call process function. However, we need to set the mode
** to SRC_MODE_PROCESS first and when we return set it back to
** SRC_MODE_CALLBACK.
*/
psrc->mode = SRC_MODE_PROCESS ;
error = src_process (state, &src_data) ;
psrc->mode = SRC_MODE_CALLBACK ;
if (error != 0)
break ;
src_data.data_in += src_data.input_frames_used * psrc->channels ;
src_data.input_frames -= src_data.input_frames_used ;
src_data.data_out += src_data.output_frames_gen * psrc->channels ;
src_data.output_frames -= src_data.output_frames_gen ;
output_frames_gen += src_data.output_frames_gen ;
if (src_data.end_of_input == SRC_TRUE && src_data.output_frames_gen == 0)
break ;
} ;
psrc->saved_data = src_data.data_in ;
psrc->saved_frames = src_data.input_frames ;
if (error != 0)
{ psrc->error = error ;
return 0 ;
} ;
return output_frames_gen ;
} /* src_callback_read */
/*==========================================================================
*/
int
src_set_ratio (SRC_STATE *state, double new_ratio)
{ SRC_PRIVATE *psrc ;
psrc = (SRC_PRIVATE*) state ;
if (psrc == NULL)
return SRC_ERR_BAD_STATE ;
if (psrc->vari_process == NULL || psrc->const_process == NULL)
return SRC_ERR_BAD_PROC_PTR ;
if (is_bad_src_ratio (new_ratio))
return SRC_ERR_BAD_SRC_RATIO ;
psrc->last_ratio = new_ratio ;
return SRC_ERR_NO_ERROR ;
} /* src_set_ratio */
int
src_get_channels (SRC_STATE *state)
{ SRC_PRIVATE *psrc ;
psrc = (SRC_PRIVATE*) state ;
if (psrc == NULL)
return SRC_ERR_BAD_STATE ;
if (psrc->vari_process == NULL || psrc->const_process == NULL)
return SRC_ERR_BAD_PROC_PTR ;
return psrc->channels ;
} /* src_get_channels */
int
src_reset (SRC_STATE *state)
{ SRC_PRIVATE *psrc ;
if ((psrc = (SRC_PRIVATE*) state) == NULL)
return SRC_ERR_BAD_STATE ;
if (psrc->reset != NULL)
psrc->reset (psrc) ;
psrc->last_position = 0.0 ;
psrc->last_ratio = 0.0 ;
psrc->saved_data = NULL ;
psrc->saved_frames = 0 ;
psrc->error = SRC_ERR_NO_ERROR ;
return SRC_ERR_NO_ERROR ;
} /* src_reset */
/*==============================================================================
** Control functions.
*/
const char *
src_get_name (int converter_type)
{ const char *desc ;
if ((desc = sinc_get_name (converter_type)) != NULL)
return desc ;
if ((desc = zoh_get_name (converter_type)) != NULL)
return desc ;
if ((desc = linear_get_name (converter_type)) != NULL)
return desc ;
return NULL ;
} /* src_get_name */
const char *
src_get_description (int converter_type)
{ const char *desc ;
if ((desc = sinc_get_description (converter_type)) != NULL)
return desc ;
if ((desc = zoh_get_description (converter_type)) != NULL)
return desc ;
if ((desc = linear_get_description (converter_type)) != NULL)
return desc ;
return NULL ;
} /* src_get_description */
const char *
src_get_version (void)
{ return PACKAGE "-" VERSION " (c) 2002-2008 Erik de Castro Lopo" ;
} /* src_get_version */
int
src_is_valid_ratio (double ratio)
{
if (is_bad_src_ratio (ratio))
return SRC_FALSE ;
return SRC_TRUE ;
} /* src_is_valid_ratio */
/*==============================================================================
** Error reporting functions.
*/
int
src_error (SRC_STATE *state)
{ if (state)
return ((SRC_PRIVATE*) state)->error ;
return SRC_ERR_NO_ERROR ;
} /* src_error */
const char*
src_strerror (int error)
{
switch (error)
{ case SRC_ERR_NO_ERROR :
return "No error." ;
case SRC_ERR_MALLOC_FAILED :
return "Malloc failed." ;
case SRC_ERR_BAD_STATE :
return "SRC_STATE pointer is NULL." ;
case SRC_ERR_BAD_DATA :
return "SRC_DATA pointer is NULL." ;
case SRC_ERR_BAD_DATA_PTR :
return "SRC_DATA->data_out or SRC_DATA->data_in is NULL." ;
case SRC_ERR_NO_PRIVATE :
return "Internal error. No private data." ;
case SRC_ERR_BAD_SRC_RATIO :
return "SRC ratio outside [1/" SRC_MAX_RATIO_STR ", " SRC_MAX_RATIO_STR "] range." ;
case SRC_ERR_BAD_SINC_STATE :
return "src_process() called without reset after end_of_input." ;
case SRC_ERR_BAD_PROC_PTR :
return "Internal error. No process pointer." ;
case SRC_ERR_SHIFT_BITS :
return "Internal error. SHIFT_BITS too large." ;
case SRC_ERR_FILTER_LEN :
return "Internal error. Filter length too large." ;
case SRC_ERR_BAD_CONVERTER :
return "Bad converter number." ;
case SRC_ERR_BAD_CHANNEL_COUNT :
return "Channel count must be >= 1." ;
case SRC_ERR_SINC_BAD_BUFFER_LEN :
return "Internal error. Bad buffer length. Please report this." ;
case SRC_ERR_SIZE_INCOMPATIBILITY :
return "Internal error. Input data / internal buffer size difference. Please report this." ;
case SRC_ERR_BAD_PRIV_PTR :
return "Internal error. Private pointer is NULL. Please report this." ;
case SRC_ERR_DATA_OVERLAP :
return "Input and output data arrays overlap." ;
case SRC_ERR_BAD_CALLBACK :
return "Supplied callback function pointer is NULL." ;
case SRC_ERR_BAD_MODE :
return "Calling mode differs from initialisation mode (ie process v callback)." ;
case SRC_ERR_NULL_CALLBACK :
return "Callback function pointer is NULL in src_callback_read ()." ;
case SRC_ERR_NO_VARIABLE_RATIO :
return "This converter only allows constant conversion ratios." ;
case SRC_ERR_SINC_PREPARE_DATA_BAD_LEN :
return "Internal error : Bad length in prepare_data ()." ;
case SRC_ERR_BAD_INTERNAL_STATE :
return "Error : Someone is trampling on my internal state." ;
case SRC_ERR_MAX_ERROR :
return "Placeholder. No error defined for this error number." ;
default : break ;
}
return NULL ;
} /* src_strerror */
/*==============================================================================
** Simple interface for performing a single conversion from input buffer to
** output buffer at a fixed conversion ratio.
*/
int
src_simple (SRC_DATA *src_data, int converter, int channels)
{ SRC_STATE *src_state ;
int error ;
if ((src_state = src_new (converter, channels, &error)) == NULL)
return error ;
src_data->end_of_input = 1 ; /* Only one buffer worth of input. */
error = src_process (src_state, src_data) ;
src_delete (src_state) ;
return error ;
} /* src_simple */
void
src_short_to_float_array (const short *in, float *out, int len)
{
while (len)
{ len -- ;
out [len] = (float) (in [len] / (1.0 * 0x8000)) ;
} ;
return ;
} /* src_short_to_float_array */
void
src_float_to_short_array (const float *in, short *out, int len)
{ double scaled_value ;
while (len)
{ len -- ;
scaled_value = in [len] * (8.0 * 0x10000000) ;
if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF))
{ out [len] = 32767 ;
continue ;
} ;
if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000))
{ out [len] = -32768 ;
continue ;
} ;
out [len] = (short) (lrint (scaled_value) >> 16) ;
} ;
} /* src_float_to_short_array */
void
src_int_to_float_array (const int *in, float *out, int len)
{
while (len)
{ len -- ;
out [len] = (float) (in [len] / (8.0 * 0x10000000)) ;
} ;
return ;
} /* src_int_to_float_array */
void
src_float_to_int_array (const float *in, int *out, int len)
{ double scaled_value ;
while (len)
{ len -- ;
scaled_value = in [len] * (8.0 * 0x10000000) ;
if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF))
{ out [len] = 0x7fffffff ;
continue ;
} ;
if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000))
{ out [len] = -1 - 0x7fffffff ;
continue ;
} ;
out [len] = lrint (scaled_value) ;
} ;
} /* src_float_to_int_array */
/*==============================================================================
** Private functions.
*/
static int
psrc_set_converter (SRC_PRIVATE *psrc, int converter_type)
{
if (sinc_set_converter (psrc, converter_type) == SRC_ERR_NO_ERROR)
return SRC_ERR_NO_ERROR ;
if (zoh_set_converter (psrc, converter_type) == SRC_ERR_NO_ERROR)
return SRC_ERR_NO_ERROR ;
if (linear_set_converter (psrc, converter_type) == SRC_ERR_NO_ERROR)
return SRC_ERR_NO_ERROR ;
return SRC_ERR_BAD_CONVERTER ;
} /* psrc_set_converter */

View file

@ -1,209 +0,0 @@
/*
** Copyright (c) 2002-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
** All rights reserved.
**
** This code is released under 2-clause BSD license. Please see the
** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "float_cast.h"
#include "common.h"
static int linear_vari_process (SRC_PRIVATE *psrc, SRC_DATA *data) ;
static void linear_reset (SRC_PRIVATE *psrc) ;
/*========================================================================================
*/
#define LINEAR_MAGIC_MARKER MAKE_MAGIC ('l', 'i', 'n', 'e', 'a', 'r')
#define SRC_DEBUG 0
typedef struct
{ int linear_magic_marker ;
int channels ;
int reset ;
long in_count, in_used ;
long out_count, out_gen ;
float last_value [1] ;
} LINEAR_DATA ;
/*----------------------------------------------------------------------------------------
*/
static int
linear_vari_process (SRC_PRIVATE *psrc, SRC_DATA *data)
{ LINEAR_DATA *priv ;
double src_ratio, input_index, rem ;
int ch ;
if (data->input_frames <= 0)
return SRC_ERR_NO_ERROR ;
if (psrc->private_data == NULL)
return SRC_ERR_NO_PRIVATE ;
priv = (LINEAR_DATA*) psrc->private_data ;
if (priv->reset)
{ /* If we have just been reset, set the last_value data. */
for (ch = 0 ; ch < priv->channels ; ch++)
priv->last_value [ch] = data->data_in [ch] ;
priv->reset = 0 ;
} ;
priv->in_count = data->input_frames * priv->channels ;
priv->out_count = data->output_frames * priv->channels ;
priv->in_used = priv->out_gen = 0 ;
src_ratio = psrc->last_ratio ;
if (is_bad_src_ratio (src_ratio))
return SRC_ERR_BAD_INTERNAL_STATE ;
input_index = psrc->last_position ;
/* Calculate samples before first sample in input array. */
while (input_index < 1.0 && priv->out_gen < priv->out_count)
{
if (priv->in_used + priv->channels * (1.0 + input_index) >= priv->in_count)
break ;
if (priv->out_count > 0 && fabs (psrc->last_ratio - data->src_ratio) > SRC_MIN_RATIO_DIFF)
src_ratio = psrc->last_ratio + priv->out_gen * (data->src_ratio - psrc->last_ratio) / priv->out_count ;
for (ch = 0 ; ch < priv->channels ; ch++)
{ data->data_out [priv->out_gen] = (float) (priv->last_value [ch] + input_index *
(data->data_in [ch] - priv->last_value [ch])) ;
priv->out_gen ++ ;
} ;
/* Figure out the next index. */
input_index += 1.0 / src_ratio ;
} ;
rem = fmod_one (input_index) ;
priv->in_used += priv->channels * lrint (input_index - rem) ;
input_index = rem ;
/* Main processing loop. */
while (priv->out_gen < priv->out_count && priv->in_used + priv->channels * input_index < priv->in_count)
{
if (priv->out_count > 0 && fabs (psrc->last_ratio - data->src_ratio) > SRC_MIN_RATIO_DIFF)
src_ratio = psrc->last_ratio + priv->out_gen * (data->src_ratio - psrc->last_ratio) / priv->out_count ;
if (SRC_DEBUG && priv->in_used < priv->channels && input_index < 1.0)
{ printf ("Whoops!!!! in_used : %ld channels : %d input_index : %f\n", priv->in_used, priv->channels, input_index) ;
exit (1) ;
} ;
for (ch = 0 ; ch < priv->channels ; ch++)
{ data->data_out [priv->out_gen] = (float) (data->data_in [priv->in_used - priv->channels + ch] + input_index *
(data->data_in [priv->in_used + ch] - data->data_in [priv->in_used - priv->channels + ch])) ;
priv->out_gen ++ ;
} ;
/* Figure out the next index. */
input_index += 1.0 / src_ratio ;
rem = fmod_one (input_index) ;
priv->in_used += priv->channels * lrint (input_index - rem) ;
input_index = rem ;
} ;
if (priv->in_used > priv->in_count)
{ input_index += (priv->in_used - priv->in_count) / priv->channels ;
priv->in_used = priv->in_count ;
} ;
psrc->last_position = input_index ;
if (priv->in_used > 0)
for (ch = 0 ; ch < priv->channels ; ch++)
priv->last_value [ch] = data->data_in [priv->in_used - priv->channels + ch] ;
/* Save current ratio rather then target ratio. */
psrc->last_ratio = src_ratio ;
data->input_frames_used = priv->in_used / priv->channels ;
data->output_frames_gen = priv->out_gen / priv->channels ;
return SRC_ERR_NO_ERROR ;
} /* linear_vari_process */
/*------------------------------------------------------------------------------
*/
const char*
linear_get_name (int src_enum)
{
if (src_enum == SRC_LINEAR)
return "Linear Interpolator" ;
return NULL ;
} /* linear_get_name */
const char*
linear_get_description (int src_enum)
{
if (src_enum == SRC_LINEAR)
return "Linear interpolator, very fast, poor quality." ;
return NULL ;
} /* linear_get_descrition */
int
linear_set_converter (SRC_PRIVATE *psrc, int src_enum)
{ LINEAR_DATA *priv = NULL ;
if (src_enum != SRC_LINEAR)
return SRC_ERR_BAD_CONVERTER ;
if (psrc->private_data != NULL)
{ free (psrc->private_data) ;
psrc->private_data = NULL ;
} ;
if (psrc->private_data == NULL)
{ priv = calloc (1, sizeof (*priv) + psrc->channels * sizeof (float)) ;
psrc->private_data = priv ;
} ;
if (priv == NULL)
return SRC_ERR_MALLOC_FAILED ;
priv->linear_magic_marker = LINEAR_MAGIC_MARKER ;
priv->channels = psrc->channels ;
psrc->const_process = linear_vari_process ;
psrc->vari_process = linear_vari_process ;
psrc->reset = linear_reset ;
linear_reset (psrc) ;
return SRC_ERR_NO_ERROR ;
} /* linear_set_converter */
/*===================================================================================
*/
static void
linear_reset (SRC_PRIVATE *psrc)
{ LINEAR_DATA *priv = NULL ;
priv = (LINEAR_DATA*) psrc->private_data ;
if (priv == NULL)
return ;
priv->channels = psrc->channels ;
priv->reset = 1 ;
memset (priv->last_value, 0, sizeof (priv->last_value [0]) * priv->channels) ;
return ;
} /* linear_reset */

File diff suppressed because it is too large Load diff

View file

@ -1,200 +0,0 @@
/*
** Copyright (c) 2002-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
** All rights reserved.
**
** This code is released under 2-clause BSD license. Please see the
** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "float_cast.h"
#include "common.h"
static int zoh_vari_process (SRC_PRIVATE *psrc, SRC_DATA *data) ;
static void zoh_reset (SRC_PRIVATE *psrc) ;
/*========================================================================================
*/
#define ZOH_MAGIC_MARKER MAKE_MAGIC ('s', 'r', 'c', 'z', 'o', 'h')
typedef struct
{ int zoh_magic_marker ;
int channels ;
int reset ;
long in_count, in_used ;
long out_count, out_gen ;
float last_value [1] ;
} ZOH_DATA ;
/*----------------------------------------------------------------------------------------
*/
static int
zoh_vari_process (SRC_PRIVATE *psrc, SRC_DATA *data)
{ ZOH_DATA *priv ;
double src_ratio, input_index, rem ;
int ch ;
if (data->input_frames <= 0)
return SRC_ERR_NO_ERROR ;
if (psrc->private_data == NULL)
return SRC_ERR_NO_PRIVATE ;
priv = (ZOH_DATA*) psrc->private_data ;
if (priv->reset)
{ /* If we have just been reset, set the last_value data. */
for (ch = 0 ; ch < priv->channels ; ch++)
priv->last_value [ch] = data->data_in [ch] ;
priv->reset = 0 ;
} ;
priv->in_count = data->input_frames * priv->channels ;
priv->out_count = data->output_frames * priv->channels ;
priv->in_used = priv->out_gen = 0 ;
src_ratio = psrc->last_ratio ;
if (is_bad_src_ratio (src_ratio))
return SRC_ERR_BAD_INTERNAL_STATE ;
input_index = psrc->last_position ;
/* Calculate samples before first sample in input array. */
while (input_index < 1.0 && priv->out_gen < priv->out_count)
{
if (priv->in_used + priv->channels * input_index >= priv->in_count)
break ;
if (priv->out_count > 0 && fabs (psrc->last_ratio - data->src_ratio) > SRC_MIN_RATIO_DIFF)
src_ratio = psrc->last_ratio + priv->out_gen * (data->src_ratio - psrc->last_ratio) / priv->out_count ;
for (ch = 0 ; ch < priv->channels ; ch++)
{ data->data_out [priv->out_gen] = priv->last_value [ch] ;
priv->out_gen ++ ;
} ;
/* Figure out the next index. */
input_index += 1.0 / src_ratio ;
} ;
rem = fmod_one (input_index) ;
priv->in_used += priv->channels * lrint (input_index - rem) ;
input_index = rem ;
/* Main processing loop. */
while (priv->out_gen < priv->out_count && priv->in_used + priv->channels * input_index <= priv->in_count)
{
if (priv->out_count > 0 && fabs (psrc->last_ratio - data->src_ratio) > SRC_MIN_RATIO_DIFF)
src_ratio = psrc->last_ratio + priv->out_gen * (data->src_ratio - psrc->last_ratio) / priv->out_count ;
for (ch = 0 ; ch < priv->channels ; ch++)
{ data->data_out [priv->out_gen] = data->data_in [priv->in_used - priv->channels + ch] ;
priv->out_gen ++ ;
} ;
/* Figure out the next index. */
input_index += 1.0 / src_ratio ;
rem = fmod_one (input_index) ;
priv->in_used += priv->channels * lrint (input_index - rem) ;
input_index = rem ;
} ;
if (priv->in_used > priv->in_count)
{ input_index += (priv->in_used - priv->in_count) / priv->channels ;
priv->in_used = priv->in_count ;
} ;
psrc->last_position = input_index ;
if (priv->in_used > 0)
for (ch = 0 ; ch < priv->channels ; ch++)
priv->last_value [ch] = data->data_in [priv->in_used - priv->channels + ch] ;
/* Save current ratio rather then target ratio. */
psrc->last_ratio = src_ratio ;
data->input_frames_used = priv->in_used / priv->channels ;
data->output_frames_gen = priv->out_gen / priv->channels ;
return SRC_ERR_NO_ERROR ;
} /* zoh_vari_process */
/*------------------------------------------------------------------------------
*/
const char*
zoh_get_name (int src_enum)
{
if (src_enum == SRC_ZERO_ORDER_HOLD)
return "ZOH Interpolator" ;
return NULL ;
} /* zoh_get_name */
const char*
zoh_get_description (int src_enum)
{
if (src_enum == SRC_ZERO_ORDER_HOLD)
return "Zero order hold interpolator, very fast, poor quality." ;
return NULL ;
} /* zoh_get_descrition */
int
zoh_set_converter (SRC_PRIVATE *psrc, int src_enum)
{ ZOH_DATA *priv = NULL ;
if (src_enum != SRC_ZERO_ORDER_HOLD)
return SRC_ERR_BAD_CONVERTER ;
if (psrc->private_data != NULL)
{ free (psrc->private_data) ;
psrc->private_data = NULL ;
} ;
if (psrc->private_data == NULL)
{ priv = calloc (1, sizeof (*priv) + psrc->channels * sizeof (float)) ;
psrc->private_data = priv ;
} ;
if (priv == NULL)
return SRC_ERR_MALLOC_FAILED ;
priv->zoh_magic_marker = ZOH_MAGIC_MARKER ;
priv->channels = psrc->channels ;
psrc->const_process = zoh_vari_process ;
psrc->vari_process = zoh_vari_process ;
psrc->reset = zoh_reset ;
zoh_reset (psrc) ;
return SRC_ERR_NO_ERROR ;
} /* zoh_set_converter */
/*===================================================================================
*/
static void
zoh_reset (SRC_PRIVATE *psrc)
{ ZOH_DATA *priv ;
priv = (ZOH_DATA*) psrc->private_data ;
if (priv == NULL)
return ;
priv->channels = psrc->channels ;
priv->reset = 1 ;
memset (priv->last_value, 0, sizeof (priv->last_value [0]) * priv->channels) ;
return ;
} /* zoh_reset */

View file

@ -9,8 +9,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Dependencies", "Dependencie
EndProject EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "imgui", "dep\imgui\imgui.vcxproj", "{BB08260F-6FBC-46AF-8924-090EE71360C6}" Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "imgui", "dep\imgui\imgui.vcxproj", "{BB08260F-6FBC-46AF-8924-090EE71360C6}"
EndProject EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libsamplerate", "dep\libsamplerate\libsamplerate.vcxproj", "{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "common", "src\common\common.vcxproj", "{EE054E08-3799-4A59-A422-18259C105FFD}" Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "common", "src\common\common.vcxproj", "{EE054E08-3799-4A59-A422-18259C105FFD}"
EndProject EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "core", "src\core\core.vcxproj", "{868B98C8-65A1-494B-8346-250A73A48C0A}" Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "core", "src\core\core.vcxproj", "{868B98C8-65A1-494B-8346-250A73A48C0A}"
@ -69,22 +67,6 @@ Global
{BB08260F-6FBC-46AF-8924-090EE71360C6}.ReleaseLTCG|x64.Build.0 = ReleaseLTCG|x64 {BB08260F-6FBC-46AF-8924-090EE71360C6}.ReleaseLTCG|x64.Build.0 = ReleaseLTCG|x64
{BB08260F-6FBC-46AF-8924-090EE71360C6}.ReleaseLTCG|x86.ActiveCfg = ReleaseLTCG|Win32 {BB08260F-6FBC-46AF-8924-090EE71360C6}.ReleaseLTCG|x86.ActiveCfg = ReleaseLTCG|Win32
{BB08260F-6FBC-46AF-8924-090EE71360C6}.ReleaseLTCG|x86.Build.0 = ReleaseLTCG|Win32 {BB08260F-6FBC-46AF-8924-090EE71360C6}.ReleaseLTCG|x86.Build.0 = ReleaseLTCG|Win32
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.Debug|x64.ActiveCfg = Debug|x64
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.Debug|x64.Build.0 = Debug|x64
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.Debug|x86.ActiveCfg = Debug|Win32
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.Debug|x86.Build.0 = Debug|Win32
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.DebugFast|x64.ActiveCfg = DebugFast|x64
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.DebugFast|x64.Build.0 = DebugFast|x64
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.DebugFast|x86.ActiveCfg = DebugFast|Win32
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.DebugFast|x86.Build.0 = DebugFast|Win32
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.Release|x64.ActiveCfg = Release|x64
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.Release|x64.Build.0 = Release|x64
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.Release|x86.ActiveCfg = Release|Win32
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.Release|x86.Build.0 = Release|Win32
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.ReleaseLTCG|x64.ActiveCfg = ReleaseLTCG|x64
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.ReleaseLTCG|x64.Build.0 = ReleaseLTCG|x64
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.ReleaseLTCG|x86.ActiveCfg = ReleaseLTCG|Win32
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F}.ReleaseLTCG|x86.Build.0 = ReleaseLTCG|Win32
{EE054E08-3799-4A59-A422-18259C105FFD}.Debug|x64.ActiveCfg = Debug|x64 {EE054E08-3799-4A59-A422-18259C105FFD}.Debug|x64.ActiveCfg = Debug|x64
{EE054E08-3799-4A59-A422-18259C105FFD}.Debug|x64.Build.0 = Debug|x64 {EE054E08-3799-4A59-A422-18259C105FFD}.Debug|x64.Build.0 = Debug|x64
{EE054E08-3799-4A59-A422-18259C105FFD}.Debug|x86.ActiveCfg = Debug|Win32 {EE054E08-3799-4A59-A422-18259C105FFD}.Debug|x86.ActiveCfg = Debug|Win32
@ -204,7 +186,6 @@ Global
GlobalSection(NestedProjects) = preSolution GlobalSection(NestedProjects) = preSolution
{43540154-9E1E-409C-834F-B84BE5621388} = {BA490C0E-497D-4634-A21E-E65012006385} {43540154-9E1E-409C-834F-B84BE5621388} = {BA490C0E-497D-4634-A21E-E65012006385}
{BB08260F-6FBC-46AF-8924-090EE71360C6} = {BA490C0E-497D-4634-A21E-E65012006385} {BB08260F-6FBC-46AF-8924-090EE71360C6} = {BA490C0E-497D-4634-A21E-E65012006385}
{2F2A2B7B-60B3-478C-921E-3633B3C45C3F} = {BA490C0E-497D-4634-A21E-E65012006385}
{B56CE698-7300-4FA5-9609-942F1D05C5A2} = {BA490C0E-497D-4634-A21E-E65012006385} {B56CE698-7300-4FA5-9609-942F1D05C5A2} = {BA490C0E-497D-4634-A21E-E65012006385}
{ED601289-AC1A-46B8-A8ED-17DB9EB73423} = {BA490C0E-497D-4634-A21E-E65012006385} {ED601289-AC1A-46B8-A8ED-17DB9EB73423} = {BA490C0E-497D-4634-A21E-E65012006385}
{6A4208ED-E3DC-41E1-81CD-F61025FC285A} = {BA490C0E-497D-4634-A21E-E65012006385} {6A4208ED-E3DC-41E1-81CD-F61025FC285A} = {BA490C0E-497D-4634-A21E-E65012006385}

View file

@ -39,7 +39,7 @@ add_library(common ${SRCS})
target_include_directories(common PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/..") target_include_directories(common PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/..")
target_include_directories(common PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/..") target_include_directories(common PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/..")
target_link_libraries(common YBaseLib glad libsamplerate libcue Threads::Threads) target_link_libraries(common YBaseLib glad libcue Threads::Threads)
if(ENABLE_OPENGL) if(ENABLE_OPENGL)
target_sources(common PRIVATE display_renderer_gl.cpp display_renderer_gl.h) target_sources(common PRIVATE display_renderer_gl.cpp display_renderer_gl.h)

View file

@ -92,9 +92,6 @@
<ProjectReference Include="..\..\dep\libcue\libcue.vcxproj"> <ProjectReference Include="..\..\dep\libcue\libcue.vcxproj">
<Project>{6a4208ed-e3dc-41e1-81cd-f61025fc285a}</Project> <Project>{6a4208ed-e3dc-41e1-81cd-f61025fc285a}</Project>
</ProjectReference> </ProjectReference>
<ProjectReference Include="..\..\dep\libsamplerate\libsamplerate.vcxproj">
<Project>{2f2a2b7b-60b3-478c-921e-3633b3c45c3f}</Project>
</ProjectReference>
<ProjectReference Include="..\..\dep\YBaseLib\Source\YBaseLib.vcxproj"> <ProjectReference Include="..\..\dep\YBaseLib\Source\YBaseLib.vcxproj">
<Project>{b56ce698-7300-4fa5-9609-942f1d05c5a2}</Project> <Project>{b56ce698-7300-4fa5-9609-942f1d05c5a2}</Project>
</ProjectReference> </ProjectReference>

View file

@ -84,9 +84,6 @@
<ClInclude Include="types.h" /> <ClInclude Include="types.h" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<ProjectReference Include="..\..\dep\libsamplerate\libsamplerate.vcxproj">
<Project>{2f2a2b7b-60b3-478c-921e-3633b3c45c3f}</Project>
</ProjectReference>
<ProjectReference Include="..\..\dep\stb\stb.vcxproj"> <ProjectReference Include="..\..\dep\stb\stb.vcxproj">
<Project>{ed601289-ac1a-46b8-a8ed-17db9eb73423}</Project> <Project>{ed601289-ac1a-46b8-a8ed-17db9eb73423}</Project>
</ProjectReference> </ProjectReference>