path: root/src/synth.c

/*
 * This program uses the PortAudio Portable Audio Library.
 * For more information see: http://www.portaudio.com/
 * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/* audio */
#include <string.h>
#include <portaudio.h>

#include <portmidi.h>

/* graphics */

/* synth */
#include "synth_engine.h"
#include "synth_gui.h"
#include "midi.h"

#define NUM_SECONDS   (1)

#define WAVE_SIZE   (44100)


static void
StreamFinished( void* synthData )
{
  synth_t *synth = (synth_t *) synthData;
  printf( "Stream Completed\n");
}


int
main(void) {
  PaStreamParameters outputParameters;
  PaStream *stream;
  PaError err;
  int i;
  synth_t synth;
  midi_t midi;

  init_synth(&synth);
  init_midi(&midi, &synth);


  err = Pa_Initialize();
  if( err != paNoError ) goto error;

  const   PaDeviceInfo *deviceInfo;
  for( i=0; i< Pa_GetDeviceCount(); i++ ) {
    deviceInfo = Pa_GetDeviceInfo( i );
    //if (!strcmp("HyperX Cloud II Wireless: USB Audio (hw:0,0)", deviceInfo->name)) break;
    printf("dev: %s || %f\n", deviceInfo->name, deviceInfo->defaultSampleRate);
    if (!strcmp("HDA Intel PCH: ALC1220 Analog (hw:0,0)", deviceInfo->name)) break;
  }


  outputParameters.device = i; Pa_GetDefaultOutputDevice(); /* default output device */
  printf("-------\nSelected device: %s\n-------\n", Pa_GetDeviceInfo(outputParameters.device)->name);
  if (outputParameters.device == paNoDevice) {
    fprintf(stderr,"Error: No default output device.\n");
    goto error;
  }
  outputParameters.channelCount = 2;       /* stereo output */
  outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
  outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
  outputParameters.hostApiSpecificStreamInfo = NULL;

  err = Pa_OpenStream(&stream,
                      NULL, /* no input */
                      &outputParameters,
                      SAMPLE_RATE,
                      FRAMES_PER_BUFFER,
                      paClipOff,      /* we won't output out of range samples so don't bother clipping them */
                      sound_gen,
                      &synth );
  if( err != paNoError ) goto error;

  err = Pa_SetStreamFinishedCallback( stream, &StreamFinished );
  if( err != paNoError ) goto error;

  err = Pa_StartStream( stream );
  if( err != paNoError ) goto error;

  rayrun(&synth, stream);

  err = Pa_StopStream( stream );
  if( err != paNoError ) goto error;

  err = Pa_CloseStream( stream );
  if( err != paNoError ) goto error;

  Pa_Terminate();
  printf("Test finished.\n");

  return err;
 error:
  Pa_Terminate();
  free_synth(&synth);
  terminate_midi(&midi);
  fprintf( stderr, "An error occurred while using the portaudio stream\n" );
  fprintf( stderr, "Error number: %d\n", err );
  fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
  return err;
}