private void ButtonActivateDevice_Click(object sender, RoutedEventArgs e)
{
int hr = 0;
int devIdx = mListBoxPlaybackDevices.SelectedIndex;
Properties.Settings.Default.LastUsedDevice = mPlayer.SpatialAudio.DevicePropertyList[
mListBoxPlaybackDevices.SelectedIndex].devIdStr;
{
int maxDynObjCount = 0;
int staticObjMask = WWSpatialAudioUser.DwChannelMaskToAudioObjectTypeMask(mPlayer.DwChannelMask);
hr = mPlayer.SpatialAudio.ChooseDevice(devIdx, maxDynObjCount, staticObjMask);
}
if (0 <= hr)
{
// Activate成功。
AddLog(string.Format("SpatialAudio.ChooseDevice({0}) success.\n", devIdx));
// 無音送出開始。
mPlayer.SpatialAudio.SetCurrentPcm(
WWSpatialAudioUser.TrackTypeEnum.None,
WWSpatialAudioUser.ChangeTrackMethod.Immediately);
hr = mPlayer.Start();
if (hr < 0)
{
var s = string.Format("SpatialAudio.Start({0}) failed with error {1:X8}.\n", devIdx, hr);
AddLog(s);
MessageBox.Show(s);
hr = mPlayer.SpatialAudio.ChooseDevice(-1, 0, 0);
AddLog(string.Format("SpatialAudio.ChooseDevice(-1)\n"));
return;
}
// 全て成功。
UpdateUIState(State.Activated);
}
else
{
// 失敗。
if (E_UNSUPPORTED_TYPE == (uint)hr)
{
var s = string.Format("Error: Spatial Audio of the specified device is not enabled! Please enable Spatial Audio of the device.\n", devIdx);
AddLog(s);
MessageBox.Show(s);
}
else
{
var s = string.Format("SpatialAudio.ChooseDevice({0}) failed with error {1:X8}.\n", devIdx, hr);
AddLog(s);
MessageBox.Show(s);
}
UpdateUIState(State.Deactivated);
}
}
private string DwChannelMaskToStr(int dwChannelMask)
{
var sb = new StringBuilder();
foreach (var item in WWSpatialAudioUser.DwChannelMaskToList(dwChannelMask))
{
sb.AppendFormat("{0} ", WWSpatialAudioUser.DwChannelMaskShortStr(item));
}
return(sb.ToString().TrimEnd(new char[] { ' ' }));
}
private WWSpatialAudioUser.AudioObjectType DwChannelMaskChannelGetAudioObjectTypeof(int ch)
{
// DwChannelMaskからAudioObjectTypeのリストを作成。
int aoMask = AudioObjectTypeMask;
var aoList = WWSpatialAudioUser.AudioObjectTypeMaskToList(aoMask);
if (ch < 0 || aoList.Count <= ch)
{
// Dynamicにしても良い？
return(WWSpatialAudioUser.AudioObjectType.None);
}
return(aoList[ch]);
}
public virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
mSAudio.Dispose();
mSAudio = null;
}
// free unmanaged resources here.
disposedValue = true;
}
}
/// <summary>
/// mResampledPcmByChannelのPCMデータをNativeバッファーに入れる。
/// </summary>
public int StoreSamplesToNativeBuffer()
{
if (mResampledPcmByChannel.Count == 0)
{
Console.WriteLine("Error: WWSpatialAudioPlayer::StoreSamplesToNativeBuffer() PCM sample not found\n");
return(-1);
}
int hr = 0;
mSAudio.ClearAllPcm();
for (int ch = 0; ch < mResampledPcmByChannel.Count; ++ch)
{
var from = mResampledPcmByChannel[ch];
mSAudio.SetPcmBegin(ch, from.LongLength);
int COPY_COUNT = 16 * 1024 * 1024;
var buf = new float[COPY_COUNT];
for (long pos = 0; pos < from.LongLength; pos += COPY_COUNT)
{
int copyCount = COPY_COUNT;
if (from.LongLength < pos + COPY_COUNT)
{
copyCount = (int)(from.LongLength - pos);
buf = new float[copyCount];
}
from.CopyTo(pos, ref buf, 0, copyCount);
mSAudio.SetPcmFragment(ch, pos, buf);
}
// チャンネル番号ch のDwChannekMaskType
var cmt = WWSpatialAudioUser.DwChannelMaskToList(DwChannelMask)[ch];
var aot = WWSpatialAudioUser.DwChannelMaskTypeToAudioObjectType(cmt);
if (aot == WWSpatialAudioUser.AudioObjectType.None)
{
Console.WriteLine("D: channel {0} {1} does not map to audio object...", ch, cmt);
}
else
{
mSAudio.SetPcmEnd(ch, aot);
}
}
return(hr);
}
