本文整理汇总了C++中IBaseFilter::SetSyncSource方法的典型用法代码示例。如果您正苦于以下问题：C++ IBaseFilter::SetSyncSource方法的具体用法？C++ IBaseFilter::SetSyncSource怎么用？C++ IBaseFilter::SetSyncSource使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IBaseFilter的用法示例。
在下文中一共展示了IBaseFilter::SetSyncSource方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: open_and_find_parameters
//.........这里部分代码省略.........
fprintf(stderr,"directx_videofile_server::open_and_find_parameters(): Can't create Null Renderer\n");
return false;
}
#ifdef DEBUG
fprintf(stderr, "(renderer)...");
#endif
// Connect the output of the video reader to the sample grabber input
fprintf(stderr, "XXX DirectShow reading of video files fails on Windows 7\n");
return false;
// XXX The call below hangs on Windows 7 on Russ Taylor's laptop.
ConnectTwoFilters(_pGraph, pSrc, _pSampleGrabberFilter);
#ifdef DEBUG
fprintf(stderr, "(connected reader)...");
#endif
// Connect the output of the sample grabber to the NULL renderer input
#ifdef DEBUG
fprintf(stderr, "(connected grabber)...");
#endif
ConnectTwoFilters(_pGraph, _pSampleGrabberFilter, pNull);
#ifdef DEBUG
fprintf(stderr, "\n");
#endif
//-------------------------------------------------------------------
// We don't need a reference clock for playout because we're going
// to limit playback rate by controlling how fast we pass frames through
// the callback handler. We can't set a playout rate anyway, because
// the NULL renderer won't do this for us. Recall that the frames come
// out of the file reader as fast as it can process them, and only
// block up if the downstream buffers all fill up.
pNull->SetSyncSource(NULL); // Turn off the reference clock.
//-------------------------------------------------------------------
// Find the control that lets you seek in the media (rewind uses this
// to restart at the beginning of the file).
#ifdef DEBUG
fprintf(stderr, "directx_videofile_server::open_and_find_parameters(): Locating seek controls\n");
#endif
if (FAILED(_pGraph->QueryInterface(IID_IMediaSeeking, (void **)&_pMediaSeeking))) {
fprintf(stderr,"directx_videofile_server::open_and_find_parameters(): Can't create media seeker\n");
pSrc->Release();
pNull->Release();
return false;
}
//-------------------------------------------------------------------
// Find _num_rows and _num_columns, which is the maximum size.
#ifdef DEBUG
fprintf(stderr, "directx_videofile_server::open_and_find_parameters(): Determining image size\n");
#endif
_pGrabber->GetConnectedMediaType(&mt);
VIDEOINFOHEADER *pVih;
if (mt.formattype == FORMAT_VideoInfo) {
pVih = reinterpret_cast<VIDEOINFOHEADER*>(mt.pbFormat);
} else if (mt.formattype == FORMAT_VideoInfo2) {
pVih = reinterpret_cast<VIDEOINFOHEADER*>(mt.pbFormat);
} else {
fprintf(stderr,"directx_videofile_server::open_and_find_parameters(): Can't get video header type\n");
fprintf(stderr," (Expected %x or %x, got %x)\n", FORMAT_VideoInfo, FORMAT_VideoInfo2, mt.formattype);
fprintf(stderr," (GetConnectedMediaType is not valid for DirectX headers later than version 7)\n");
fprintf(stderr," (We need to re-implement reading video in some other interface)\n");
return false;