/**
* Decodes the JSON object @c js to create a new value.
*
* @eg{
* {
* "samples" : [ -0.014525, 0.015363, 0.013679 ],
* "samplesPerSecond" : 44100.000000
* }
* }
*/
VuoAudioSamples VuoAudioSamples_makeFromJson(json_object * js)
{
VuoAudioSamples value = {0, NULL, 0};
json_object *o = NULL;
if (json_object_object_get_ex(js, "samples", &o))
{
int sampleCount = json_object_array_length(o);
if (sampleCount)
{
value = VuoAudioSamples_alloc(sampleCount);
for (VuoInteger i = 0; i < sampleCount; ++i)
value.samples[i] = json_object_get_double(json_object_array_get_idx(o, i));
}
else
{
value.sampleCount = 0;
value.samples = NULL;
}
}
if (json_object_object_get_ex(js, "samplesPerSecond", &o))
value.samplesPerSecond = VuoReal_makeFromJson(o);
return value;
}
"dependencies" : [
"VuoAudio"
],
"node": {
"isInterface" : false,
"exampleCompositions" : [ "PanAudio.vuo" ],
}
});
void nodeEvent
(
VuoInputData(VuoList_VuoAudioSamples) audioSamples,
VuoOutputData(VuoAudioSamples) mixedSamples
)
{
unsigned int channelCount = VuoListGetCount_VuoAudioSamples(audioSamples);
*mixedSamples = VuoAudioSamples_alloc(VuoAudioSamples_bufferSize);
for(unsigned int n = 0; n < (*mixedSamples).sampleCount; n++)
(*mixedSamples).samples[n] = 0.;
for(unsigned int i = 0; i < channelCount; i++)
{
VuoAudioSamples as = VuoListGetValueAtIndex_VuoAudioSamples(audioSamples, i+1);
for(unsigned int n = 0; n < as.sampleCount; n++)
(*mixedSamples).samples[n] += as.samples[n];
}
}
