hvfvhigh, new ffmpeg, etc

[Jim web]

In article <412749A523644184A1A5609CC13932F7 at RJCDESK>, RS
<richard22j at zoho.com> wrote:
> >From: RS Sent: Tuesday, August 23, 2016 22:39

> >Unless and until HLS is fixed, FlashHD is the only way to get 1280x720
> >25fps unless you re-encode HVFHD to 25fps.

> When I wrote the suggestion of re-encoding HVFHD to 25fps I was assuming
> that I could use ffmpeg -r 25 to drop alternate frames to reduce the
> frame rate.  It seems it is not that easy.  h.264 identifies the
> difference from the previous frame and encodes it.  If I delete the
> previous frame it stops working.  I just got a lot of Invalid timestamp
> errors from ffmpeg.  It seems I have to uncompress the HVFHD, which
> will result in an enormous file, and then re-encode it at 25fps with
> libx264.  Does anyone have any ideas how to do it? 

Would a pipe from one ffmpeg process to another do the trick?

Jim

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