[Libav-user] How to achieve 30 FPS using APIs?

[Amber Beriwal]

It is an android camera recorded mp4 file of approx. 20-30 seconds.
Please refer code @ http://stackoverflow.com/questions/39347026/how-to-extract-frames-at-30-fps-using-ffmpeg-apis 

Regards
Amber Beriwal
Newgen Software Technologies Ltd.


  

-----Original Message-----
From: Libav-user [mailto:libav-user-bounces at ffmpeg.org] On Behalf Of Leandro Raffo
Sent: Tuesday, September 06, 2016 11:03 PM
To: This list is about using libavcodec, libavformat, libavutil, libavdevice and libavfilter. <libav-user at ffmpeg.org>
Subject: Re: [Libav-user] How to achieve 30 FPS using APIs?

>From where are you extracting frames?

2016-09-06 5:03 GMT-03:00 Amber Beriwal <amber.beriwal at newgen.co.in>:
> We have seen that using command line, ffmpeg is capable of extracting 
> frames at 30 fps. Even using Xuggler, we are able to extract frames at 30 fps.
>
>
>
> But when we use FFMPEG APIs directly in our code, we are getting 
> following
> results:
>
>
>
> - 720p video (1280 x 720) - 16 fps (approx. 60 ms/frame)
>
> - 1080p video (1920 x 1080) - 7 fps (approx. 140 ms/frame)
>
>
>
> Ideally, we should be able to get the data in constant time (approx. 
> 30 ms/frame).
>
>
>
> How can we get 30 fps?
>
>
>
> Regards
>
> Amber Beriwal
>
> Newgen Software Technologies Ltd.
>
>
>
>
>
>
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