int initMovieSound(int f, ALenum format, int audioChannels, ALuint samplerate, ALuint (*callback)(void *userdata, ALubyte *data, ALuint bytes)) { if (! soundOK) return 0; int retval; int a = findEmptySoundSlot (); freeSound (a); soundCache[a].looping = false; // audioChannel * sampleRate gives us a buffer of half a second. Not much, but it should be enough. soundCache[a].stream = alureCreateStreamFromCallback( callback, &intpointers[a], format, samplerate, audioChannels*samplerate, 0, NULL); if (soundCache[a].stream != NULL) { soundCache[a].fileLoaded = f; soundCache[a].vol = defSoundVol; retval = a; } else { debugOut("Failed to create stream from sound: %s\n", alureGetErrorString()); warning (ERROR_SOUND_ODDNESS); soundCache[a].stream = NULL; soundCache[a].playing = false; soundCache[a].playingOnSource = 0; soundCache[a].fileLoaded = -1; retval = -1; } //fprintf (stderr, "Stream %d created. Sample rate: %d Channels: %d\n", retval, samplerate, audioChannels); return retval; }
int main () { if (!alureInitDevice(NULL, NULL)) { std::fprintf(stderr, "Failed to open OpenAL device: %s\n", alureGetErrorString()); return 1; } alGenSources(1, &src); if (alGetError() != AL_NO_ERROR) { std::fprintf(stderr, "Failed to create OpenAL source!\n"); alureShutdownDevice(); return 1; } // Seeting Blip Buffer synth.treble_eq( -18.0f ); synth.volume (0.80); synth.output (&blipbuf); // Init Blip Buffer with a buffer of 250ms (second paramter is time in ms) if ( blipbuf.set_sample_rate( SR, 1000 / 4 ) ) { std::fprintf(stderr, "Failed to create Blip Buffer! Our of Memory\n"); alureShutdownDevice(); return 1; } blipbuf.clock_rate( blipbuf.sample_rate() ); blipbuf.bass_freq(300); // Equalization like a TV speaker stream = alureCreateStreamFromCallback (StreamCB, nullptr, AL_FORMAT_MONO16, SR, SR/2, 0, nullptr); if(!stream) { std::fprintf(stderr, "Error creating stream! %s\n", alureGetErrorString()); alDeleteSources(1, &src); alureShutdownDevice(); return 1; } if (!alurePlaySourceStream(src, stream, 4, 0, eos_callback, NULL)) { std::fprintf(stderr, "Failed to play stream: %s\n", alureGetErrorString()); isdone = 1; } alureUpdateInterval(0.005f); // Should be a independint thread playing the stream while(!isdone) { freq -= 1; if (freq < 1) { freq = 600; } alureSleep(0.02f); } alureStopSource(src, AL_FALSE); alDeleteSources(1, &src); alureDestroyStream(stream, 0, NULL); alureShutdownDevice(); return 0; }