[FFmpeg-user] buffer underflow (?)

[Paul B Mahol]

On 9/29/23, Mark Filipak <markfilipak.imdb at gmail.com> wrote:
> On Fri, Sep 29, 2023 at 12:59 PM Carl Zwanzig <cpz at tuunq.com> wrote:
>>
>> On 9/29/2023 9:45 AM, Mark Filipak wrote:
>>
>> > Carl, please enlighten me:
>> > If I '-bsf:v setts...' that appears to only affect video. Duh...
>>
>> -bsf[:stream_specifier] bitstream_filters (output,per-stream)
>> :a will do the audio, :s for subtitles, etc
>> (that's in the doc)
>
> No, it's not in the doc. And the 'doc' are programmer documentations,
> not user documentation. I would like to help make actual user
> documentation but I've been rebuffed in the past.
>
> Also, you wrote "etc".  (?. What else is there?)
>
>> > Is there a global 'setts'-type directive that will simultaneously fix up
>> > PTSs/DTSs/time_base for video, audio, subtitles, and chapters?
>> I expect that three -bsf: options in a row would do the job but haven't
>> tried it.
>
> It created a total train wreck.

If you want to salvage something by yourself only, without reencoding,
you have not enough skills.