public void recordEnd() {
if (recordStartPar == null) return;
try {
trace("recordEnd, begin");
LMMedia.Recorder.RecordEnd();
if (recordStartPar.toDisc) { //zapis na disk
//if (recordStartPar.slOldBrowser) //ukonceni uploadu PCM na disk a vyvolani server side MP3 komprese
// recordStartPar.toDiscLib.Dispose();
//else
onPCMData(true);
} else { //nahravka je v recorded
LMMedia.WaveFormatExtensible.WriteHeaderEnd(recordedStream);
}
recordStartPar = null;
trace("recordEnd, end");
} catch (Exception exp) {
error("recordEnd", exp);
}
}
public void recordStart(ScriptObject so) {
try {
trace("recordStart begin");
player.Stop(); url = null;
recordStartPar = new RecordStartPar {
toDisc = (bool)so.GetProperty("toDisc"),
//slOldBrowser = (bool)so.GetProperty("slOldBrowser"),
toDiscFileUrl = (string)so.GetProperty("toDiscFileUrl"),
};
recordedBytes = 0;
//if (recordStartPar.slOldBrowser && recordStartPar.toDisc) recordStartPar.toDiscLib = new uploadChunk.lib(null, () => Recorder.audioFormat, recordStartPar.toDiscFileUrl);
if (recordedStream == null) recordedStream = new MemoryStream(); else recordedStream.SetLength(0);
LMMedia.Recorder.RecordStart(recordStartPar, buf => {
recordedBytes += buf.Length;
if (OnRecordedMilisecs != null) Deployment.Current.Dispatcher.BeginInvoke(() => OnRecordedMilisecs(null, new NumberEventArgument { Value = (int)((long)8 * 1000 * recordedBytes / Recorder.audioFormat.SamplesPerSecond / Recorder.audioFormat.BitsPerSample) }));
if (recordStartPar.toDisc) { //zapis na disk
//if (recordStartPar.slOldBrowser) { //stary browser uploaduje na disk PCM data a po ukonceni provede MP3 kompresi
// recordStartPar.toDiscLib.uploadChunk(buf);
//} else { //novy browser posle PCM do JS, kde se vse zpravuje podobne, jako pro Chrome nebo FF
if (recordedStream.Position == 0) {
var wr = new BinaryWriter(recordedStream);
wr.Write((UInt16)Recorder.audioFormat.SamplesPerSecond); wr.Write((UInt16)Recorder.audioFormat.BitsPerSample); wr.Write((UInt16)Recorder.audioFormat.Channels);
}
recordedStream.Write(buf, 0, buf.Length);
//var dump = buf.Take(10).Select(b => b.ToString()).Aggregate((r, i) => r + "," + i);
Deployment.Current.Dispatcher.BeginInvoke(() => onPCMData(false));
//XXX
//trace("recordStart data " + buf.Take(10).Select(b => b.ToString()).Aggregate((r, i) => r + "," + i));
//UInt16[] pcm = new UInt16[buf.Length / 2];
//for (var i = 0; i < pcm.Length; i++) pcm[i] = BitConverter.ToUInt16(buf, i * 2);
//swap double bytes
//var bytes = buf.Select(b => Convert.ToChar(b)).ToArray();
//for (var i = 0; i < bytes.Length / 2; i++) {
// var b = bytes[i * 2]; bytes[i * 2] = bytes[i * 2 + 1]; bytes[i * 2 + 1] = b;
//}
//var str = new string(bytes);
// OnPCMData(null, new PCMEventArgument {
// //Value = new List<byte>(buf),
// //Value = ByteArrayToHex(buf),
// BitsPerSample = Recorder.audioFormat.BitsPerSample,
// SamplesPerSecond = Recorder.audioFormat.SamplesPerSecond
// });
//});
//}
} else { //zapis do pameti
if (recordedStream.Position == 0) LMMedia.WaveFormatExtensible.WriteHeaderStart(recordedStream, Recorder.audioFormat);
recordedStream.Write(buf, 0, buf.Length);
}
});
trace("recordStart end");
} catch (Exception exp) {
error("recordStart", exp);
}
}
