diff options
Diffstat (limited to 'examples/altonegen.c')
| -rw-r--r-- | examples/altonegen.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/examples/altonegen.c b/examples/altonegen.c index 628e695d..553bc996 100644 --- a/examples/altonegen.c +++ b/examples/altonegen.c @@ -82,7 +82,10 @@ static void ApplySin(ALfloat *data, ALdouble g, ALuint srate, ALuint freq) ALdouble smps_per_cycle = (ALdouble)srate / freq; ALuint i; for(i = 0;i < srate;i++) - data[i] += (ALfloat)(sin(i/smps_per_cycle * 2.0*M_PI) * g); + { + ALdouble ival; + data[i] += (ALfloat)(sin(modf(i/smps_per_cycle, &ival) * 2.0*M_PI) * g); + } } /* Generates waveforms using additive synthesis. Each waveform is constructed @@ -91,13 +94,13 @@ static void ApplySin(ALfloat *data, ALdouble g, ALuint srate, ALuint freq) static ALuint CreateWave(enum WaveType type, ALuint freq, ALuint srate) { ALuint seed = 22222; - ALint data_size; + ALuint data_size; ALfloat *data; ALuint buffer; ALenum err; ALuint i; - data_size = srate * sizeof(ALfloat); + data_size = (ALuint)(srate * sizeof(ALfloat)); data = calloc(1, data_size); switch(type) { @@ -142,7 +145,7 @@ static ALuint CreateWave(enum WaveType type, ALuint freq, ALuint srate) /* Buffer the audio data into a new buffer object. */ buffer = 0; alGenBuffers(1, &buffer); - alBufferData(buffer, AL_FORMAT_MONO_FLOAT32, data, data_size, srate); + alBufferData(buffer, AL_FORMAT_MONO_FLOAT32, data, (ALsizei)data_size, (ALsizei)srate); free(data); /* Check if an error occured, and clean up if so. */ @@ -257,7 +260,7 @@ int main(int argc, char *argv[]) srate = dev_rate; /* Load the sound into a buffer. */ - buffer = CreateWave(wavetype, tone_freq, srate); + buffer = CreateWave(wavetype, (ALuint)tone_freq, (ALuint)srate); if(!buffer) { CloseAL(); @@ -271,7 +274,7 @@ int main(int argc, char *argv[]) /* Create the source to play the sound with. */ source = 0; alGenSources(1, &source); - alSourcei(source, AL_BUFFER, buffer); + alSourcei(source, AL_BUFFER, (ALint)buffer); assert(alGetError()==AL_NO_ERROR && "Failed to setup sound source"); /* Play the sound for a while. */ |