Source code of Windows XP (NT5)
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// IPROP.H
//
// IProperty interface.
//
// A simple property mechanism to query and set properties on media objects.
//
// Created 12-Oct-96 [JonT]
#ifndef _IPROPERTY_H
#define _IPROPERTY_H
#include <pshpack8.h> /* Assume 8 byte packing throughout */
DECLARE_INTERFACE_(IProperty, IUnknown)//DECLARE_INTERFACE(IProperty)
{ // *** IUnknown methods ***
STDMETHOD(QueryInterface) (THIS_ REFIID riid,LPVOID FAR* ppvObj) PURE; STDMETHOD_(ULONG,AddRef) (THIS) PURE; STDMETHOD_(ULONG,Release) (THIS) PURE;
STDMETHOD(GetProperty)(THIS_ DWORD dwProp, PVOID pBuf, LPUINT pcbBuf) PURE; STDMETHOD(SetProperty)(THIS_ DWORD dwProp, PVOID pBuf, UINT cbBuf) PURE;};
typedef IProperty *LPIProperty;
// Currently defined properties
#define PROP_NET_SEND_STATS 4 // RTP_STATS
#define PROP_NET_RECV_STATS 5 // RTP_STATS
#define PROP_RTP_PAYLOAD 6 // (dword) RTP payload type
#define PROP_VOLUME 7
#define PROP_SILENCE_LEVEL 8 // (dword)
#define PROP_DURATION 9 // (dword) avg. pkt duration in ms
#define PROP_SILENCE_DURATION 10 // (dword) silence duration before recording stops, in ms
#define PROP_WAVE_DEVICE_TYPE 11 // (dword) play,rec, full duplex capability
#define PROP_DUPLEX_TYPE 12 // (dword) current mode
#define PROP_AUDIO_SPP 13 // (dword)
#define PROP_AUDIO_SPS 14 // (dword)
#define PROP_VOICE_SWITCH 15 // (dword) auto or manual voice switching
#define PROP_AUDIO_STRENGTH 16 // (dword) send audio strength
#define PROP_RECV_AUDIO_STRENGTH 17 // (dword) recv audio strength
#define PROP_RECORD_ON 18 // (dword) enable or disable record
#define PROP_PLAY_ON 19 // (dword) enable or disable playback
#define PROP_RECORD_DEVICE 20 // (dword) device id of waveIn
#define PROP_PLAYBACK_DEVICE 21 // (dword) device id of waveOut
#define PROP_VIDEO_CAPTURE_AVAILABLE 22 // (bool)
#define PROP_VIDEO_CAPTURE_DIALOGS_AVAILABLE 23 // (dword) CAPTURE_DIALOG_SOURCE and/or CAPTURE_DIALOG_FORMAT
#define PROP_VIDEO_CAPTURE_DIALOG 24 // (dword) CAPTURE_DIALOG_SOURCE or CAPTURE_DIALOG_FORMAT
#define PROP_VIDEO_FRAME_RATE 25 // (dword) FRAMERATE_LOW or FRAMERATE_HIGH
#define PROP_VIDEO_SIZE_AVAIL 26 // (dword) FRAME_CIF, FRAME_QCIF, FRAME_SQCIF
#define PROP_VIDEO_SIZE 27 // (dword) FRAME_CIF, FRAME_QCIF, FRAME_SQCIF
#define PROP_VIDEO_PREVIEW_ON 28 // (bool) enable/disable video preview
#define PROP_VIDEO_POSTPROCESSING_SUPPORTED 29 // (bool) used to query the datapump: TRUE is returned if codec supports post-processing
#define PROP_VIDEO_BRIGHTNESS 30 // (dword) sets the brightness of the video data displayed in the Remote window
#define PROP_VIDEO_CONTRAST 31 // (dword) sets the contrast of the video data displayed in the Remote window
#define PROP_VIDEO_SATURATION 32 // (dword) sets the saturation of the video data displayed in the Remote window
#define PROP_VIDEO_IMAGE_QUALITY 33 // (dword) a number between 100 (low quality) and 10000 (high quality)
#define PROP_VIDEO_RESET_BRIGHTNESS 34 // (dword) restores the default brightness of the video data displayed in the Remote window
#define PROP_VIDEO_RESET_CONTRAST 35 // (dword) restores the default contrast of the video data displayed in the Remote window
#define PROP_VIDEO_RESET_SATURATION 36 // (dword) restores the default saturation of the video data displayed in the Remote window
#define PROP_VIDEO_RESET_IMAGE_QUALITY 37 // (dword) a number between 100 (low quality) and 10000 (high quality)
#define PROP_VIDEO_AUDIO_SYNC 38 // (bool) enable A/V sync
#define PROP_MAX_PP_BITRATE 39 // (dword) max point-to-point bitrate of current connection
#define PROP_CHANNEL_ENABLED 41 // (bool) independently enable send/receive on a channel
#define PROP_LOCAL_FORMAT_ID 42 // (dword) unique ID of local compression format
#define PROP_REMOTE_FORMAT_ID 43 // (dword) unique ID of remote compression format
#define PROP_TS_TRADEOFF 44 // (dword) value of temporal/spatial tradeoff (video quality)
#define PROP_REMOTE_TS_CAPABLE 45 // (bool) temporal/spatial tradeoff is remotely controllable
#define PROP_TS_TRADEOFF_IND 46 // (dword) internally set by control channel only
#define PROP_PAUSE_SEND 50 // (bool) disables packet transmission, when read, indicates the current state of the network stream
#define PROP_PAUSE_RECV 51 // (bool) disables packet reception, when read, indicates the current state of the network stream
#define PROP_REMOTE_PAUSED 52 // (bool, read-only) channel is paused at remote end
#define PROP_VIDEO_PREVIEW_STANDBY 54 // (bool) stop preview but leave capture device open
#define PROP_LOCAL_PAUSE_SEND 55 // (bool) disables packet transmission, sticky local state
#define PROP_LOCAL_PAUSE_RECV 56 // (bool) disables packet reception, sticky local state
#define PROP_CAPTURE_DEVICE 57 // (dword) device id of capture device
#define PROP_AUDIO_JAMMED 58 // (bool) TRUE if the audio device is
// failing to open or if another application
// owns the audio device
#define PROP_AUDIO_AUTOMIX 59 // (bool) enable self-adjusting mixer
// Equates used by properties
#define CAPTURE_DIALOG_SOURCE 1
#define CAPTURE_DIALOG_FORMAT 2
#define FRAMERATE_LOW 1
#define FRAMERATE_HIGH 2
#define FRAME_SQCIF 1
#define FRAME_QCIF 2
#define FRAME_CIF 4
#define VOICE_SWITCH_AUTO 1
#define VOICE_SWITCH_MIC_ON 2
#define VOICE_SWITCH_MIC_OFF 4
#define DUPLEX_TYPE_FULL 1
#define DUPLEX_TYPE_HALF 0
#include <poppack.h> /* End byte packing */
#endif //_IPROPERTY_H
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