105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
/*
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* libopenmpt_example_c_unsafe.c
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* -----------------------------
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* Purpose: libopenmpt C API simplified example
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* Notes : PortAudio is used for sound output.
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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/*
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* Usage: libopenmpt_example_c_unsafe SOMEMODULE
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* CAUTION: This simple example does no error cheking at all.
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*/
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#if defined( __MINGW32__ ) && !defined( __MINGW64__ )
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#include <sys/types.h>
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#endif
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#include <memory.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <libopenmpt/libopenmpt.h>
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#include <libopenmpt/libopenmpt_stream_callbacks_file.h>
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#if defined( __clang__ )
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wstrict-prototypes"
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#elif defined( __GNUC__ ) && !defined( __clang__ ) && !defined( _MSC_VER )
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wstrict-prototypes"
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#endif
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#include <portaudio.h>
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#if defined( __clang__ )
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#pragma clang diagnostic pop
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#elif defined( __GNUC__ ) && !defined( __clang__ ) && !defined( _MSC_VER )
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#pragma GCC diagnostic pop
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#endif
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#if defined( __DJGPP__ )
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#include <crt0.h>
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#endif /* __DJGPP__ */
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#define BUFFERSIZE 480
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#define SAMPLERATE 48000
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static int16_t left[BUFFERSIZE];
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static int16_t right[BUFFERSIZE];
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static int16_t * const buffers[2] = { left, right };
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#if defined( __DJGPP__ )
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/* clang-format off */
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int _crt0_startup_flags = 0
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| _CRT0_FLAG_NONMOVE_SBRK /* force interrupt compatible allocation */
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| _CRT0_DISABLE_SBRK_ADDRESS_WRAP /* force NT compatible allocation */
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| _CRT0_FLAG_LOCK_MEMORY /* lock all code and data at program startup */
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| 0;
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/* clang-format on */
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#endif /* __DJGPP__ */
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#if ( defined( _WIN32 ) || defined( WIN32 ) ) && ( defined( _UNICODE ) || defined( UNICODE ) )
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#if defined( __clang__ ) && !defined( _MSC_VER )
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int wmain( int argc, wchar_t * argv[] );
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#endif
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int wmain( int argc, wchar_t * argv[] ) {
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#else
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int main( int argc, char * argv[] ) {
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#endif
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#if defined( __DJGPP__ )
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/* clang-format off */
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_crt0_startup_flags &= ~_CRT0_FLAG_LOCK_MEMORY; /* disable automatic locking for all further memory allocations */
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/* clang-format on */
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#endif /* __DJGPP__ */
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FILE * file = 0;
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openmpt_module * mod = 0;
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size_t count = 0;
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PaStream * stream = 0;
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(void)argc;
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#if ( defined( _WIN32 ) || defined( WIN32 ) ) && ( defined( _UNICODE ) || defined( UNICODE ) )
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file = _wfopen( argv[1], L"rb" );
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#else
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file = fopen( argv[1], "rb" );
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#endif
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mod = openmpt_module_create2( openmpt_stream_get_file_callbacks2(), file, NULL, NULL, NULL, NULL, NULL, NULL, NULL );
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#if defined( __clang__ ) && defined( __clang_analyzer__ )
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[[clang::suppress]]
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#endif
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fclose( file );
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Pa_Initialize();
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Pa_OpenDefaultStream( &stream, 0, 2, paInt16 | paNonInterleaved, SAMPLERATE, paFramesPerBufferUnspecified, NULL, NULL );
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Pa_StartStream( stream );
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while ( 1 ) {
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count = openmpt_module_read_stereo( mod, SAMPLERATE, BUFFERSIZE, left, right );
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if ( count == 0 ) {
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break;
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}
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Pa_WriteStream( stream, buffers, (unsigned long)count );
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}
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Pa_StopStream( stream );
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Pa_CloseStream( stream );
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Pa_Terminate();
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openmpt_module_destroy( mod );
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return 0;
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}
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