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[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
The AMExtendedSeekingCapabilities enumeration contains flags that describe the extended seeking capabilities of a filter.
Syntax
typedef enum {
AM_EXSEEK_CANSEEK = 1,
AM_EXSEEK_CANSCAN = 2,
AM_EXSEEK_MARKERSEEK = 4,
AM_EXSEEK_SCANWITHOUTCLOCK = 8,
AM_EXSEEK_NOSTANDARDREPAINT = 16,
AM_EXSEEK_BUFFERING = 32,
AM_EXSEEK_SENDS_VIDEOFRAMEREADY = 64
} AMExtendedSeekingCapabilities;
Constants
AM_EXSEEK_CANSEEKValue: 1 Indicates that the stream is seekable. |
AM_EXSEEK_CANSCANValue: 2 Indicates that the filter supports rates other than 1.0. |
AM_EXSEEK_MARKERSEEKValue: 4 Indicates that the stream contains markers. |
AM_EXSEEK_SCANWITHOUTCLOCKValue: 8 Indicates that the filter can play back at rates other than 1.0. |
AM_EXSEEK_NOSTANDARDREPAINTValue: 16 Indicates that the filter can seek to a new frame without displaying the new frame when it finds it. |
AM_EXSEEK_BUFFERINGValue: 32 Indicates that the filter can seek while the stream is buffering. |
AM_EXSEEK_SENDS_VIDEOFRAMEREADYValue: 64 Indicates that the filter's video pin has been created. |
Remarks
See IAMExtendedSeeking::get_ExSeekCapabilities for descriptions of how the Windows Media Source filter sets these flags.
Requirements
| Requirement | Value |
|---|---|
| Header | qnetwork.h |