[FFmpeg-user] How to get DVB-Teletxt into MP4

[Robin A. Jensen]

Den 08-02-2020 kl. 21:22 skrev Reino Wijnsma:
> On 2020-02-08T20:47:35+0100, Robin A. Jensen via ffmpeg-user <ffmpeg-user at ffmpeg.org> wrote:
>
>> No one of them is getting me any closer. Just the same error:
>> [...]
>>      Stream #0:4[0x12]: Data: epg
>> Beck Øje for øje (4).mp4: Invalid or incomplete multibyte or wide character
> I'm no FFmpeg expert, but from what I can find this probably means certain characters can't be converted to mov_text. I'm not sure though.
>
> On 2020-02-08T20:12:32+0100, Robin A. Jensen via ffmpeg-user <ffmpeg-user at ffmpeg.org> wrote:
>
>> ffmpeg -ss 00:04:45 -c:v h264_mmal -i 'Beck_ _je for _je (4).ts' -to 00:05:00 -map 0:0 -map 0:1 -map 0:2 -c:v h264_omx -b:v 4800k -c:a:0 copy -c:s:0 copy -metadata:0:1:2 language=dan 'Beck Øje for øje (4).mp4
Yes you are right. Apparently "ø" is the issue. So i change it.
> I don't have any experience with a Raspberry Pi, but I can't believe putting both -c:v h264_mmal and -c:v h264_omx in your commandline would work.
> Except for the video-bitrate you're not changing anything else, so why not do a streamcopy instead?Also the order of your options matters. Could you try:
>
> ffmpeg -ss 00:04:45 -i 'Beck_ _je for _je (4).ts' -to 00:05:00 -map 0:0 -map 0:2 -map 0:3 -c copy -map 0:1 -c:s mov_text -metadata:s:s language=dan 'Beck Øje for øje (4).mp4'
>
> -- Reino
> Yes it works. -c:v h264_mmal is command for using GPU to decode. -c:v h264_omx is to encode.
I know make som change after being reading on Stackexchange. I think i'm 
down to missing the decoder for DVB_Teletext (--enable-libzvbi)

So i might to compile FFMPEG all over again.