[Libav-user] programmatic frame rate control?

Blake Senftner bsenftner at earthlink.net
Thu Dec 22 19:50:50 EET 2016

I found a GUI bug that was eating my frame rate. Now I have the opposite problem of frames being delivered too fast… A 3 minute 1920x1080 h264 video plays back in 9 seconds…. any timing related suggestions are welcome. 

-Blake Senftner
Bug Generator

> On Dec 21, 2016, at 9:31 AM, Blake Senftner <bsenftner at earthlink.net> wrote:
> I have been able to write a little video player library that handles any type of video file, USB web cam, or IP camera or live stream… but the playback frame rate is never above 15 fps. 
> Even with a 160x40 video file, h264 with nothing but a ticking 29.97 timecode, it plays back at 15 fps while consuming < 2% cpu. 
> I’ve tried AVDictionary settings for framerate, which are not being picked up (left in the AVDictinary.)
> Lacking any direct frame rate information, what AVDictionary key/values have you found that improve and/or make an improving difference in your efforts to playback video?
> Sincerely,
> -Blake Senftner
> 疯狂的计算机科学家
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