[FFmpeg-user] showvolume filter memory leak

[Paul B Mahol]

On Mon, Apr 18, 2022 at 8:13 PM Paul B Mahol <onemda at gmail.com> wrote:

>
>
> On Mon, Apr 18, 2022 at 7:00 PM ramon <calanor at gmail.com> wrote:
>
>> Yes, I used the master versión with your 24144af2 patch.
>> Your patch corectec the leak if  dm (draw_persistent_duration) > 0, and
>> the
>> leak memory occurs also with dm=0.
>>
>
> Does not leak here at all.
>

Do note that if PTS get out of sync it could start to keep yet not used
frames.

Could you use graphmonitor filter after showvolume filter? The queue items
displayed in video should not reach red colored numbers.


>
>
>>
>>
>>
>> On Mon, Apr 18, 2022 at 5:51 PM Paul B Mahol <onemda at gmail.com> wrote:
>>
>> > On Mon, Apr 18, 2022 at 5:32 PM ramon <calanor at gmail.com> wrote:
>> >
>> > > Thanks,but not work.  The memory leak is the same.
>> > > The init function is called only once.
>> > >
>> > >
>> > Sorry, use master version of ffmpeg.
>> >
>> >
>> > >
>> > >
>> > > On Wed, Apr 13, 2022 at 6:24 PM Paul B Mahol <onemda at gmail.com>
>> wrote:
>> > >
>> > > > On Wed, Apr 13, 2022 at 5:58 PM ramon <calanor at gmail.com> wrote:
>> > > >
>> > > > > I'm testing the showolume filter to generate a single vumeter
>> from an
>> > > > input
>> > > > > stream.
>> > > > > The filter works perfectly but eats memory. Approximately
>> 500MBytes
>> > > > every 2
>> > > > > days.
>> > > > >
>> > > > > Using ffmpeg version 5.0-static on GNU/Linux 4.15.0-45-generic
>> x86_64
>> > > > >
>> > > > > In normal use I use an output nut format with a pipe to a vlc
>> player.
>> > > But
>> > > > > with a simple output to null it also has a memory leak.
>> > > > >
>> > > > > My testing commandline:
>> > > > >
>> > > > > ffmpeg -i udp://@239.1.1.1:1234 -filter_complex
>> > > > >
>> > > >
>> > >
>> >
>> [0:a]showvolume=r=20:ds=log:m=r:v=0:t=0:dm=2:dmc=yellow:o=h:w=320:h=8[out]
>> > > > > -map [out] -map 0:a -an -c:v rawvideo -pix_fmt rgb24 -f null
>> > /dev/null
>> > > > >
>> > > >
>> > > > Small leaks (648 bytes per each init) have been fixed. Thanks for
>> > report.
>> > > >
>> > > >
>> > > > >
>> > > > >
>> > > > > Thanks,
>> > > > > Ramon
>> > > > > _______________________________________________
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>> > > > >
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>> > > > >
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>