Windows2003-3790/enduser/netmeeting/av/h/mchan.idl
2020-09-30 16:53:55 +02:00

120 lines
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import "unknwn.idl";
import "mmstream.idl";
typedef enum
{
MCF_SEND,
MCF_RECV,
MCF_AUDIO,
MCF_VIDEO,
MCF_DEFAULT_DEVICE
} MC_FLAGS;
interface IMediaChannel;
[
object,
uuid(c35a34fa-b92b-11d1-aa97-00c04fc9b202),
pointer_default(unique),
]
interface IMediaChannelBuilder : IUnknown
{
HRESULT CreateMediaChannel([in] MC_FLAGS flags, [out] IMediaChannel **ppIMC);
}
typedef enum
{
SM_AUTO,
SM_MANUAL
} SILENCE_MODE;
[
object,
uuid(c515aa5e-b92b-11d1-aa97-00c04fc9b202),
pointer_default(unique),
]
interface IAudioDevice : IUnknown
{
HRESULT GetDeviceCount([out] UINT *pcDevices);
HRESULT EnumerateInputDevices([in] UINT index, [out] DWORD *pDeviceId, [out] BSTR *pDeviceName);
HRESULT EnumerateOutputDevices(UINT index, [out] DWORD *pDeviceId, [out] BSTR *pDeviceName);
HRESULT SetInputDeviceId([in] UINT deviceId);
HRESULT SetOutputDeviceId([in] UINT deviceId);
HRESULT GetInputDeviceId([out] UINT *pdeviceId);
HRESULT GetOutputDeviceId([out] UINT *pdeviceId);
HRESULT SetDuplexMode ([in] BOOL );
HRESULT GetDuplexMode ( [out] BOOL *pDuplexType);
HRESULT SetSilenceSuppressionMode( [in] SILENCE_MODE mode);
HRESULT GetSilenceSuppressionMode( [out] SILENCE_MODE *mode);
HRESULT SetEchoCancellationMode( [in] BOOL fEnabled);
HRESULT GetEchoCancellationMode( [out] BOOL *pfEnabled);
HRESULT GetSignalStrength(UINT *pSignalStrength);
HRESULT SetVolume([in] UINT vol);
HRESULT GetVolume([out] UINT *pvol);
}
[
object,
uuid(0296d416-b92c-11d1-aa97-00c04fc9b202),
pointer_default(unique),
]
interface IVideoDevice : IUnknown
{
HRESULT GetDeviceCount([out] UINT *pcDevices);
HRESULT EnumerateInputDevices(UINT index, [out] DWORD *pDeviceId, [out] BSTR *pDeviceName);
HRESULT SetInputDeviceId([in] UINT deviceId);
HRESULT GetInputDeviceId([out] UINT *pdeviceId);
HRESULT ShowDeviceDialog();
}
typedef enum
{
MCS_UNCONFIGURED,
MCS_STOPPED,
MCS_STARTED
} MC_STATE;
[
object,
uuid(17a7db52-b92c-11d1-aa97-00c04fc9b202),
pointer_default(unique),
]
interface IMediaChannel : IUnknown
{
HRESULT Start();
// HRESULT Start(int iDropFrame);
HRESULT Stop();
HRESULT GetState(MC_STATE *pState);
HRESULT SetNetworkInterface( IUnknown *); // IRTPSend or IRTPRecv
HRESULT SetMaxBitRate(UINT bitrate); // Flow control
HRESULT SetStreamSource(IMediaStream *); // for send channels only
HRESULT Configure([in, size_is(cbFormat)] BYTE *pFormat, [in] UINT cbFormat, [in, size_is (cbParams)]BYTE *pChannelParams, UINT cbParams);
// for audio, pFormat will point to a WAVEFORMATEX and pChannelParams will point to AUDIO_CHANNEL_PARAMS
// for video, pFormat will point to a VIDEOFORMATEX and pChannelParams will point to VIDEO_CHANNEL_PARAMS
}
[
object,
uuid(377d00f6-b92c-11d1-aa97-00c04fc9b202),
pointer_default(unique),
]
interface IAudioChannel : IMediaChannel
{
// HRESULT GetSignalStrength(UINT *pSignalStrength);
}
[
object,
uuid(4c4da8b4-b92c-11d1-aa97-00c04fc9b202),
pointer_default(unique),
]
interface IVideoChannel : IMediaChannel
{
HRESULT SetTemporalSpatialTradeoff([in] UINT T_S_Tradeoff);
HRESULT GetTemporalSpatialTradeoff([out] UINT *pT_S_Tradeoff);
HRESULT SendKeyFrame();
}