private void CreateAudioStream(int sample, int length, int sample_size)
{
VfwApi.AVISTREAMINFO sinfo = new VfwApi.AVISTREAMINFO();
sinfo.fccType = (int)VfwApi.streamtypeAUDIO;
sinfo.fccHandler = 0;
sinfo.dwFlags = 0;
sinfo.dwCaps = 0;
sinfo.wPriority = 0;
sinfo.wLanguage = 0;
sinfo.dwScale = 1;
sinfo.dwRate = sample;
sinfo.dwStart = 0;
sinfo.dwLength = length;
sinfo.dwInitialFrames = 0;
sinfo.dwSuggestedBufferSize = 0;
sinfo.dwQuality = 0;
sinfo.dwSampleSize = sample_size;
sinfo.rcFrame = new VfwApi.RECT();
sinfo.rcFrame.top = 0;
sinfo.rcFrame.left = 0;
sinfo.rcFrame.bottom = 0;
sinfo.rcFrame.right = 0;
sinfo.dwEditCount = 0;
sinfo.dwFormatChangeCount = 0;
sinfo.szName = new ushort[64];
int hr = VfwApi.AVIFileCreateStream(pfile_, ref pavi_audio_, ref sinfo);
if (hr != 0)
{
throw new VfwException("AVIFileCreateStream", hr);
}
}
private void CreateVideoStream(int width, int height, int stride, int rate, int scale)
{
VfwApi.AVISTREAMINFO sinfo = new VfwApi.AVISTREAMINFO();
sinfo.fccType = (int)VfwApi.streamtypeVIDEO;
sinfo.fccHandler = (int)VfwApi.mmioFOURCC('D', 'I', 'B', ' ');
sinfo.dwFlags = 0;
sinfo.dwCaps = 0;
sinfo.wPriority = 0;
sinfo.wLanguage = 0;
sinfo.dwScale = scale;
sinfo.dwRate = rate;
sinfo.dwStart = 0;
sinfo.dwLength = 0;
sinfo.dwInitialFrames = 0;
sinfo.dwSuggestedBufferSize = height * stride;
sinfo.dwQuality = -1;
sinfo.dwSampleSize = 0;
sinfo.rcFrame = new VfwApi.RECT();
sinfo.rcFrame.top = 0;
sinfo.rcFrame.left = 0;
sinfo.rcFrame.bottom = (uint)height;
sinfo.rcFrame.right = (uint)width;
sinfo.dwEditCount = 0;
sinfo.dwFormatChangeCount = 0;
sinfo.szName = new ushort[64];
int hr = VfwApi.AVIFileCreateStream(pfile_, ref pavi_, ref sinfo);
if (hr != 0)
{
throw new VfwException("AVIFileCreateStream", hr);
}
}