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[DEV] update new ejson interface

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This commit is contained in:
Edouard DUPIN
2016-04-20 21:19:11 +02:00
parent c9bb77e8d6
commit aa5df52e14
18 changed files with 129 additions and 126 deletions
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25
sample/write/main.cpp
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@@ -16,36 +16,41 @@ static const std::string configurationRiver =
" speaker:{\n"
" io:'output',\n"
" map-on:{\n"
" interface:'auto',\n"
" name:'default',\n"
" interface:'alsa',\n"
" name:'hw:2,0',\n"
" },\n"
" frequency:0,\n"
//" channel-map:['front-left', 'front-right', 'rear-left', 'rear-right'],\n"
" channel-map:['front-left', 'front-right'],\n"
" type:'auto',\n"
" type:'int32',\n"
" nb-chunk:1024,\n"
" volume-name:'MASTER'\n"
" }\n"
"}\n";
static const int32_t nbChannelMax=8;
void onDataNeeded(void* _data,
const audio::Time& _time,
size_t _nbChunk,
enum audio::format _format,
uint32_t _frequency,
const std::vector<audio::channel>& _map) {
static double phase = 0;
static double phase[8] = {0,0,0,0,0,0,0,0};
if (_format != audio::format_int16) {
std::cout << "[ERROR] call wrong type ... (need int16_t)" << std::endl;
}
//std::cout << "Map " << _map << std::endl;
int16_t* data = static_cast<int16_t*>(_data);
double baseCycle = 2.0*M_PI/(double)48000 * (double)550;
double baseCycle = 2.0*M_PI/double(48000) * double(440);
for (int32_t iii=0; iii<_nbChunk; iii++) {
for (int32_t jjj=0; jjj<_map.size(); jjj++) {
data[_map.size()*iii+jjj] = cos(phase) * 30000;
}
phase += baseCycle;
if (phase >= 2*M_PI) {
phase -= 2*M_PI;
data[_map.size()*iii+jjj] = cos(phase[jjj]) * 30000;
phase[jjj] += baseCycle*jjj;
if (phase[jjj] >= 2*M_PI) {
phase[jjj] -= 2*M_PI;
}
}
}
}