From 65ffdf410ca5c36f059bee8619f87147f802a82e Mon Sep 17 00:00:00 2001 From: Mitja Felicijan Date: Tue, 8 Oct 2024 06:05:51 +0200 Subject: Renamed to experiments and added watch for changes --- examples/example1.c | 81 ----------------------------------------------------- 1 file changed, 81 deletions(-) delete mode 100644 examples/example1.c (limited to 'examples/example1.c') diff --git a/examples/example1.c b/examples/example1.c deleted file mode 100644 index 91800ad..0000000 --- a/examples/example1.c +++ /dev/null @@ -1,81 +0,0 @@ -#define TSF_IMPLEMENTATION -#include "../tsf.h" - -#include "../minisdl_audio.h" - -//This is a minimal SoundFont with a single loopin saw-wave sample/instrument/preset (484 bytes) -const static unsigned char MinimalSoundFont[] = { -#define TEN0 0,0,0,0,0,0,0,0,0,0 - 'R','I','F','F',220,1,0,0,'s','f','b','k', - 'L','I','S','T',88,1,0,0,'p','d','t','a', - 'p','h','d','r',76,TEN0,TEN0,TEN0,TEN0,0,0,0,0,TEN0,0,0,0,0,0,0,0,255,0,255,0,1,TEN0,0,0,0, - 'p','b','a','g',8,0,0,0,0,0,0,0,1,0,0,0,'p','m','o','d',10,TEN0,0,0,0,'p','g','e','n',8,0,0,0,41,0,0,0,0,0,0,0, - 'i','n','s','t',44,TEN0,TEN0,0,0,0,0,0,0,0,0,TEN0,0,0,0,0,0,0,0,1,0, - 'i','b','a','g',8,0,0,0,0,0,0,0,2,0,0,0,'i','m','o','d',10,TEN0,0,0,0, - 'i','g','e','n',12,0,0,0,54,0,1,0,53,0,0,0,0,0,0,0, - 's','h','d','r',92,TEN0,TEN0,0,0,0,0,0,0,0,50,0,0,0,0,0,0,0,49,0,0,0,34,86,0,0,60,0,0,0,1,TEN0,TEN0,TEN0,TEN0,0,0,0,0,0,0,0, - 'L','I','S','T',112,0,0,0,'s','d','t','a','s','m','p','l',100,0,0,0,86,0,119,3,31,7,147,10,43,14,169,17,58,21,189,24,73,28,204,31,73,35,249,38,46,42,71,46,250,48,150,53,242,55,126,60,151,63,108,66,126,72,207, - 70,86,83,100,72,74,100,163,39,241,163,59,175,59,179,9,179,134,187,6,186,2,194,5,194,15,200,6,202,96,206,159,209,35,213,213,216,45,220,221,223,76,227,221,230,91,234,242,237,105,241,8,245,118,248,32,252 -}; - -// Holds the global instance pointer -static tsf* g_TinySoundFont; - -// Callback function called by the audio thread -static void AudioCallback(void* data, Uint8 *stream, int len) { - // Note we don't do any thread concurrency control here because in this - // example all notes are started before the audio playback begins. - // If you do play notes while the audio thread renders output you - // will need a mutex of some sort. - int SampleCount = (len / (2 * sizeof(short))); //2 output channels - tsf_render_short(g_TinySoundFont, (short*)stream, SampleCount, 0); -} - -int main(int argc, char *argv[]) { - // Define the desired audio output format we request - SDL_AudioSpec OutputAudioSpec; - OutputAudioSpec.freq = 44100; - OutputAudioSpec.format = AUDIO_S16; - OutputAudioSpec.channels = 2; - OutputAudioSpec.samples = 4096; - OutputAudioSpec.callback = AudioCallback; - - // Initialize the audio system - if (SDL_AudioInit(NULL) < 0) { - fprintf(stderr, "Could not initialize audio hardware or driver\n"); - return 1; - } - - // Load the SoundFont from the memory block - g_TinySoundFont = tsf_load_memory(MinimalSoundFont, sizeof(MinimalSoundFont)); - if (!g_TinySoundFont) { - fprintf(stderr, "Could not load soundfont\n"); - return 1; - } - - // Set the rendering output mode to 44.1khz and -10 decibel gain - tsf_set_output(g_TinySoundFont, TSF_STEREO_INTERLEAVED, OutputAudioSpec.freq, -10); - - // Start two notes before starting the audio playback - tsf_note_on(g_TinySoundFont, 0, 48, 1.0f); //C2 - tsf_note_on(g_TinySoundFont, 0, 52, 1.0f); //E2 - - // Request the desired audio output format - if (SDL_OpenAudio(&OutputAudioSpec, NULL) < 0) { - fprintf(stderr, "Could not open the audio hardware or the desired audio output format\n"); - return 1; - } - - // Start the actual audio playback here - // The audio thread will begin to call our AudioCallback function - SDL_PauseAudio(0); - - // Let the audio callback play some sound for 3 seconds - SDL_Delay(3000); - - // We could call tsf_close(g_TinySoundFont) and SDL_DestroyMutex(g_Mutex) - // here to free the memory and resources but we just let the OS clean up - // because the process ends here. - return 0; -} - -- cgit v1.2.3