FXbool WavOutput::write(const void * data,FXuint nframes) {
FXlong duration = (nframes*NANOSECONDS_PER_SECOND) / af.rate;
FXThread::sleep(duration);
if (!file.isOpen() || file.writeBlock(data,af.framesize()*nframes)!=af.framesize()*nframes)
return false;
else
return true;
}
void WavOutput::close() {
if (file.isOpen()) {
GM_DEBUG_PRINT("[wav] closed output\n");
FXulong end=file.position();
FXulong size;
FXuint size32=0xFFFFFFFF;
size=end-8;
if (end>0xFFFFFFFF) {
// RIFF Chunk
file.position(0);
file.writeBlock("RF64",4);
file.writeBlock(&size32,4);
// DS64 Chunk
file.position(12);
file.writeBlock("ds64",4);
file.position(20);
file.writeBlock(&size,8);
// Data Chunk
if (data_pos) {
size=end-data_pos-4;
file.writeBlock(&size,8);
size=0;
file.writeBlock(&size,8);
}
}
else {
/// RIFF chunksize
size32=size;
file.position(4);
file.writeBlock(&size32,4);
// Data Chunksize
if (data_pos) {
file.position(data_pos);
size=end-data_pos-4;
file.writeBlock(&size,4);
}
}
file.close();
}
af.reset();
}
