我正试图用coreaudio.dll将音量混合器中的Spotify音量静音。这是我的代码:
private float volume = 0.9f;
MMDeviceEnumerator DevEnum = new MMDeviceEnumerator();
MMDevice device = DevEnum.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia);
AudioSessionManager2 asm = device.AudioSessionManager2;
SessionCollection sessions = asm.Sessions;
try
{
for (int sid = 0; sid < sessions.Count; sid++)
{
string id = sessions[sid].GetSessionIdentifier;
Console.WriteLine(id);
if (id.ToLower().IndexOf("spotify.exe") > -1)
{
if (muted)
{
volume = sessions[sid].SimpleAudioVolume.MasterVolume;
sessions[sid].SimpleAudioVolume.MasterVolume = 0;
}
else
{
sessions[sid].SimpleAudioVolume.MasterVolume = volume;
}
//sessions[sid].SimpleAudioVolume.Mute = muted;
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
这是输出:
'VMTit.vshost.exe' (CLR v4.0.30319: VMTit.vshost.exe): Loaded 'C:UsersMariaDesktopSpotify-Ad-Blocker-1.6.3.0VMTitVMTit2binDebugVMTit.exe'. Symbols loaded.
'VMTit.vshost.exe' (CLR v4.0.30319: VMTit.vshost.exe): Loaded 'C:UsersMariaDesktopSpotify-Ad-Blocker-1.6.3.0VMTitVMTit2binDebugCoreAudio.dll'. Cannot find or open the PDB file.
{0.0.0.00000000}.{612a18a0-426d-44a5-bfe5-655ee61c2700}|#%b{A9EF3FD9-4240-455E-A4D5-F2B3301887B2}
{0.0.0.00000000}.{612a18a0-426d-44a5-bfe5-655ee61c2700}|DeviceHarddiskVolume2Program FilesSteamSteam.exe%b{00000000-0000-0000-0000-000000000000}
{0.0.0.00000000}.{612a18a0-426d-44a5-bfe5-655ee61c2700}|DeviceHarddiskVolume2UsersMariaAppDataRoamingSpotifySpotify.exe%b{00000000-0000-0000-0000-000000000000}
The program '[7908] VMTit.vshost.exe' has exited with code -1073741819 (0xc0000005) 'Access violation.
几周前,当我使用它时,这个代码曾经工作得很好。最近,我从W8.1 64位移到了W8.1 32位。从那时起,这个问题就出现了。
有什么想法吗?
这有点偏于分析,但你最好的选择可能是避免操纵混音器,而是使用Spotify API。它为您提供了所需的所有控制,并且不会让用户感到困惑-我认识的大多数非专家还没有发现有音量混音器,Spotify也没有检查混音器,所以您最终会得到一个静音的Spotify,它看起来没有静音,也没有办法修复它。