[FFmpeg-user] Fwd: Problems with old TV - Can I decode a new file and re-encode to an older version of a codec?

[Richard Bartczak]

You must know, Samsun has *no certified DLNA devices.*

A discussion with Samsung would be senseless, they have said : "They
have an own DLNA Standard.".

Regards

Gloster

Am 31.05.24 um 19:29 schrieb Paul B Mahol:
> On Fri, May 31, 2024 at 5:18 PM bbb<ffmpeg-user at bugblatterbeast.de>  wrote:
>
>> On 5/31/24 17:10, Reindl Harald wrote:
>>> Am 31.05.24 um 15:50 schrieb bbb:
>>>> On 5/31/24 15:16, Reindl Harald wrote:
>>>>> your command is very unspecific to begin with
>>>>> even profile is missing
>>>>>
>>>>> https://trac.ffmpeg.org/wiki/Encode/H.264
>>>>> _______________________________________________
>>>>> ffmpeg-user mailing list
>>>>> ffmpeg-user at ffmpeg.org
>>>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>>>>>
>>>>> To unsubscribe, visit link above, or email
>>>>> ffmpeg-user-request at ffmpeg.org  with subject "unsubscribe".
>>>> Thank you for the info and the link!
>>>>
>>>> It has been working fine so far with just that command (I can't
>>>> remember where I got it from)
>>> well, so it's completly random what is falling out - no codec options
>>> specified, no quailty options - basicaly you are telling ffmpeg "do
>>> whatever you want"
>>>
>>>> Seems like profile is defaulting to "high".
>>>>> Stream #0:0(eng): Video: h264 (High), yuv420p(tv, bt709,
>>>>> progressive), 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k
>>>>> tbn (default)
>>> which is maybe a problem - at least some years ago anything but
>>> baseline was a problem on many devices including iPhone
>>> _______________________________________________
>>> ffmpeg-user mailing list
>>> ffmpeg-user at ffmpeg.org
>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>>>
>>> To unsubscribe, visit link above, or email
>>> ffmpeg-user-request at ffmpeg.org  with subject "unsubscribe".
>> Yes, thanks. I didn't realise that.
>>
>> My players say it's exactly the same codec and doesn't show a
>> difference. But when inspecting the files with ffprobe, it seems that
>> yuv420p(progressive) is working fine and either one or both of the
>> options "tv" and "bt709" seem to be causing the problems.
>>
> That have nothing to do with encoder settings.
>
>
>> _______________________________________________
>> ffmpeg-user mailing list
>> ffmpeg-user at ffmpeg.org
>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>>
>> To unsubscribe, visit link above, or email
>> ffmpeg-user-request at ffmpeg.org  with subject "unsubscribe".
>>
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org  with subject "unsubscribe".