[FFmpeg-user] Meaning of ffprobe output

[Ulf Zibis]

Am 11.01.19 um 01:47 schrieb Carl Eugen Hoyos:
> 2019-01-11 0:39 GMT+01:00, Ulf Zibis <Ulf.Zibis at gmx.de>:
>
>> can anybody explain me the data of ffprobe, I don't find enough hints in
>> the docu. E.g.:
>> $ ffprobe CYD_copy.vob
>> Input #0, mpeg, from 'CYD_copy.vob':
>>   Duration: 01:16:20.74, start: 0.500000, bitrate: 7068 kb/s
>>     Stream #0:0[0x80]: Audio: ac3, 48000 Hz, stereo, fltp, 256 kb/s
>>     Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p(tv, bt470bg,
>> top first), 704x576 [SAR 12:11 DAR 4:3], 25 fps, 25 tbr, 90k tbn, 50 tbc
>> What is:
>> tv
>> bt470bg
> Colour-space related information.

>From the experience with this thread, I see, I would have better
additionally asked ...

So I additionally ask, what is the meaning of:
- the p in yuv420p
- top first

-Ulf