I emailed libav-user, but got no replies. Thought it might be better to post here.

I compiled ffmpeg HEAD and compiled the one example that uses the new api (muxing.c). It compiles and runs fine, but it creates a movie with wrong fps according to ffprobe:

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mov':
  Metadata:
    major_brand     : qt
    minor_version   : 512
    compatible_brands: qt
    encoder         : Lavf57.40.101
  Duration: 00:00:10.03, start: 0.000000, bitrate: 289 kb/s
Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 352x288, 220 kb/s, 25.10 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
(snip)

Notice it says 25.10 fps, instead of 25fps. When I converted my application in a similar way to muxing.c I got weird fps like 25.1603. When using the old api, all works fine and the fps are okay (but you get complaints about st->codec being deprecated).

--
Gonzalo Garramuño
ggarr...@gmail.com

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