[FFmpeg-user] How to set preview of video?
astroelectronic at t-online.de
Thu Apr 30 14:05:42 EEST 2020
Am 30.04.2020 um 10:23 schrieb Gyan Doshi:
> On 30-04-2020 12:09 pm, Michael Koch wrote:
>> Am 30.04.2020 um 06:33 schrieb Gyan Doshi:
>>> Basic syntax is
>>> |ffmpeg -i file.mp4 -ss 15 -i file.mp4 -map 1:v:0 -map 0 \
>>> -filter:v:0 scale=320:-1,trim=end_frame=1 -c copy -c:v:0 mjpeg
>>> -disposition:0 attached_pic out.mp4|
>> What's the meaning of the "|" characters at the beginning and end?
>> What's the meaning of the "\" character and how must this command
>> line be modified for a Windows batch file?
> Sorry, it seems the line break wasn't preserved. Delete the \. Don't
> know how the | showed up.
At first your command line didn't work with my video, probably because
my video has a timecode stream. I did replace "-map 0" by "-map 0:0 -map
0:1" and now it works fine.
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