[Libav-user] what -f psp does

Geek.Song ffmpeg at gmail.com
Fri Sep 5 05:48:12 CEST 2014


On Fri, Sep 5, 2014 at 11:40 AM, YIRAN LI <mrfun.china at gmail.com> wrote:
> Hi,
>
> I found in libavformat/movenc.h
>
> there's
>
> #define MODE_PSP 0x08 // example working PSP command line:
> // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab
> 32 M4V00001.MP4
>
> As I know, ffmpeg -f is used to force output format, but if we still need to
> set frame rate, resolution, bit rate.etc when converting to a PSP compatible
> mp4, what -f psp does for us?

-f format specifies the output format, it would disable the automatic
output format detection based on the suffix name.

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