winamp/Src/external_dependencies/openmpt-trunk/examples/libopenmpt_example_c_unsafe.c

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2024-09-24 12:54:57 +00:00
/*
* libopenmpt_example_c_unsafe.c
* -----------------------------
* Purpose: libopenmpt C API simplified example
* Notes : PortAudio is used for sound output.
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
/*
* Usage: libopenmpt_example_c_unsafe SOMEMODULE
* CAUTION: This simple example does no error cheking at all.
*/
#include <memory.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libopenmpt/libopenmpt.h>
#include <libopenmpt/libopenmpt_stream_callbacks_file.h>
#include <portaudio.h>
#define BUFFERSIZE 480
#define SAMPLERATE 48000
static int16_t left[BUFFERSIZE];
static int16_t right[BUFFERSIZE];
static int16_t * const buffers[2] = { left, right };
#if ( defined( _WIN32 ) || defined( WIN32 ) ) && ( defined( _UNICODE ) || defined( UNICODE ) )
#if defined( __clang__ ) && !defined( _MSC_VER )
int wmain( int argc, wchar_t * argv[] );
#endif
int wmain( int argc, wchar_t * argv[] ) {
#else
int main( int argc, char * argv[] ) {
#endif
FILE * file = 0;
openmpt_module * mod = 0;
size_t count = 0;
PaStream * stream = 0;
(void)argc;
#if ( defined( _WIN32 ) || defined( WIN32 ) ) && ( defined( _UNICODE ) || defined( UNICODE ) )
file = _wfopen( argv[1], L"rb" );
#else
file = fopen( argv[1], "rb" );
#endif
mod = openmpt_module_create2( openmpt_stream_get_file_callbacks(), file, NULL, NULL, NULL, NULL, NULL, NULL, NULL );
fclose( file );
Pa_Initialize();
Pa_OpenDefaultStream( &stream, 0, 2, paInt16 | paNonInterleaved, SAMPLERATE, paFramesPerBufferUnspecified, NULL, NULL );
Pa_StartStream( stream );
while ( 1 ) {
count = openmpt_module_read_stereo( mod, SAMPLERATE, BUFFERSIZE, left, right );
if ( count == 0 ) {
break;
}
Pa_WriteStream( stream, buffers, (unsigned long)count );
}
Pa_StopStream( stream );
Pa_CloseStream( stream );
Pa_Terminate();
openmpt_module_destroy( mod );
return 0;
}