Hans Carlson inbox.com> writes:
> In fact, it appears the fifo for the subtitle stream isn't
> needed, because this works as well:
>
>'[0:v]fifo[vid];[vid][0:3]overlay`
Yes, I thought so.
> My test file is only 22 secs long... is there a chance I'd
> need the fifo on the subtitle stream
On Mon, 7 Mar 2016, Carl Eugen Hoyos wrote:
I suspect the stream specifiers [0:v] and [0:3] ensure
that fifo is not used.
I am not sure what the correct usage is but you could
try '[0:v}fifo[v];[0:3]fifo[o];[v][o]overlay`
(untested)
Thanks, that seems to work. No more buffer overflow
Hans Carlson inbox.com> writes:
> I changed my original command to use this filter_complex:
>
>-filter_complex 'fifo; [0:v][0:3]overlay'
I suspect the stream specifiers [0:v] and [0:3] ensure
that fifo is not used.
I am not sure what the correct usage is but you could
try
On Mon, 7 Mar 2016, Carl Eugen Hoyos wrote:
Hans Carlson inbox.com> writes:
Buffer queue overflow, dropping.
You can use the fifo filter to avoid these, it will
increase memory usage.
Probably I'm doing something wrong, but adding the fifo filter didn't
help. I'm not exactly sure
Hans Carlson inbox.com> writes:
> Buffer queue overflow, dropping.
You can use the fifo filter to avoid these, it will
increase memory usage.
Carl Eugen
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I have an mpeg2 with 2 subtitles streams, I'd like to copy the 1st
subtitle stream and overlay the 2nd. When I do this, I get
buffer underflow warnings.
If I remove the overlay filter, there are no warnings.
Am I doing something wrong?
I'd also like to take a different mpeg2 with a single
