[FFmpeg-user] TTML support in fragmented mp4

[Dennis Mungai]

On Wed, 17 May 2023, 10:34 Dennis Mungai, <dmngaie at gmail.com> wrote:

> On Wed, 17 May 2023, 02:33 Pierre-Anthony Lemieux, <pal at sandflow.com>
> wrote:
>
>> Hi,
>>
>> Are you looking to fragment TTML and/or wrap fragmented TTML?
>>
>> Best,
>>
>> -- Pierre
>>
>> On Tue, May 16, 2023 at 4:07 PM Dennis Mungai <dmngaie at gmail.com> wrote:
>> >
>> > Hello there,
>> >
>> > At present, is TTML supported in fragmented mp4 in ffmpeg?
>> > The use-case my workload targets requires fragmentation on subtitle
>> track
>> > only renditions.
>> >
>> > Warm regards,
>>
>
>
> To fragment ttml in fmp4 for isml output in subtitle only streams.
>

So far, webvtt also seems to be unsupported in fmp4 over isml outputs.

>