who has experience with mp4 videos on windows?

[Nicolas Cueto]

Tiemo,

My advice is probably of no use but...

Could it be the solution is updating the codecs?

What you described reminded me very much of "MX Player" updates (a
popular video player for Android). Every time after an update, some
videos open up with no sound and a "This Audio Format AC3 Is Not
Supported" error  message. Updating the codecs is always the
(irksome!) solution; licensing issues, I think?

Anyway, my 3 yen's worth... which is what's hanging around in my
wallet now... and getting rid of 1-yen coins is only a little less of
a pain than Googling for the latest codecs.

--
Nicolas Cueto

On Mon, 18 Mar 2019 at 18:09, Tiemo Hollmann TB via use-livecode
<use-livecode at lists.runrev.com> wrote:
>
> Hello,
>
> I still have trouble playing mp4-h.264 videos on some windows machines since
> some time. I have installed the LAV-filters, which work fine for h.264 on
> windows. Where my program can play my videos on most windows machines
> without any problems, there are some single computers, where the video
> screen just stays black and nothing happens. (tested with/without
> buffering).
>
>
>
> This occurred with LC 8. Building a standalone with LC 9.0 my same program
> could play the videos immediately. And now again, my same program without
> any changes, build with LC 9.0.2 doesn't plays the videos on some machines
> again anymore.
>
>
>
> This is very annoying for some of my customers, when they accept my
> automatic update and the programs doesn't plays the videos anymore after the
> update.(Playing videos is the essential task of my program)
>
>
>
> I discussed this already with Panos in Sep. 2018 and his guess where two new
> header includes in w32-ds-player.cpp(d3d9.h and vmr9.h)in LC 9 what have
> made it work in LC 9. But now in LC 9.0.2 the videos are broken again on
> some computers and I guess the headers are still included. This is very hard
> to track down, because either Panos nor me can't reproduce this issue.
>
>
>
> Is there anybody, who also works with mp4-h.264 videos on windows?
>
> Any experiences? Any ideas what to check for?
>
>
>
> Thanks for any ideas
>
> Tiemo
>
>
>
>
>
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