How to set Maximum keyframe interval (frames) for libvpx-vp9

[rohit khali]

I tried to use the below option in code using FFmpeg APIs however getting AVERROR_OPTION_NOT_FOUND error.

Any idea, How can I set max keyframe interval for vp9 encoding? 

av_opt_set(c->priv_data, "kf-max-dist", "240", 0)

av_opt_set(c->priv_data, "g", "240", 0)

Thanks,

ROhit Khali

[James Zern]

Hi,

This is set with gop_size [1]. The mapping to libvpx options is also documented [2].

[1] https://ffmpeg.org/doxygen/4.1/structAVCodecContext.html#a9b6b3f1fcbdcc2ad9f4dbb4370496e38

[2] http://ffmpeg.org/ffmpeg-codecs.html#libvpx

 

Thanks,

ROhit Khali

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