Changes between Version 52 and Version 53 of DirectShow


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Timestamp:
Apr 18, 2020, 9:55:06 AM (7 months ago)
Author:
mkoch
Comment:

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  • DirectShow

    v52 v53  
    125125See [[StreamingGuide]] for some tips on tweaking encoding (sections latency and cpu usage).  For instance, you could save it to a very fast codec, then re-encode it later.
    126126
    127 There is also an option audio_buffer_size.
     127There is also an option `audio_buffer_size`.
    128128Basically if you're capturing from a live mic, the default behavior for this hardware device is to "buffer" 500ms (or 1000ms) worth of data, before it starts sending it down the pipeline.  This can introduce startup latency, so setting this to 50ms (msdn suggests 80ms) may be a better idea here.  The timestamps on the data will be right, it will just have added (unneeded) latency if you don't specify this.
    129129