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Minimizing audio capture latency in DirectShow | 6581 ...
https://sid6581.wordpress.com/2006/10/09/minimizing-audio-capture-latency-in-directshow/
Call this function with your audio capture pin and your desired latency in milliseconds (try 50ms), and your latency problems should hopefully be taken care of. HRESULT SetAudioLatency(IPin *AudioCapturePin, int BufferSizeMilliSeconds) { assert(AudioCapturePin); assert(BufferSizeMilliSeconds > 0); // Get the interfaces we need.
Live Sources - Win32 apps | Microsoft Docs
https://docs.microsoft.com/en-us/windows/win32/directshow/live-sources
The reason for the last case is the following: If the audio renderer is the reference clock, and the source filter is using the same clock to generate time stamps, then the audio renderer cannot match rates against the time stamps. If it did, in effect it would be trying to match rates with itself, which could cause the clock to drift. Therefore, in this case the renderer …
audio - How to eliminate 1 second delay in DirectShow ...
https://stackoverflow.com/questions/7881420/how-to-eliminate-1-second-delay-in-directshow-filter-chain-using-delphi-and-ds
// Calculate the size of the buffer needed to get the desired // latency in milliseconds given the average bytes per second // of the Media Type's audio format. allocProp.cbBuffer := Trunc(wfex.nAvgBytesPerSec * (bufLatencyMS / 1000)); allocProp.cbPrefix := -1; allocProp.cBuffers := -1; // Try to set the buffer size to the desired.
windows - Delay in video in DirectShow graph - Stack …
https://stackoverflow.com/questions/26619944/delay-in-video-in-directshow-graph
Video Source -> Sample Grabber -> Null Renderer. Audio Source -> Sample Grabber -> Null Renderer. ... This is strange because I would expect to see more latency in the audio than video. windows audio video directshow. Share. Improve this question. ... Browse other questions tagged windows audio video directshow or ask your own question.
DirectSound Renderer Filter - Win32 apps | Microsoft Docs
https://docs.microsoft.com/en-us/windows/win32/directshow/directsound-renderer-filter
In this article. This filter renders audio using DirectSound. This filter is currently the default audio renderer for waveform sound. In addition to its basic sound-rendering capabilities, this filter can process DirectSound API calls. Use the IAMDirectSound methods to set and retrieve the window that will handle the sound playback.
DirectShow | 6581 Useful Things
https://sid6581.wordpress.com/category/directshow/
Since the audio renderer can’t render any audio until it gets the buffer from the source, there will be at least a 500ms latency between any audio being …
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