[MPlayer-users] -softvol causes mutes to become "delayed"

Roger Pack rogerdpack2 at gmail.com
Thu Dec 27 16:22:45 CET 2012


On 12/26/12, Reimar Döffinger <Reimar.Doeffinger at gmx.de> wrote:
> On 27 Dec 2012, at 01:44, Roger Pack <rogerdpack2 at gmail.com> wrote:
>> As a note, for me with windows mplayer, if I use EDL's and specify
>> mutes, and also specify "-softvol"
>> then the EDL mutes occur (and end) about 1s later than "their
>> timestamp" (same with hitting the 'm' button for muting--it causes a
>> delayed mute about 1s after).
>
> That is hard to avoid, the audio output buffers a lot of sound a data and
> there's not really any way to change the data by software after it has
> reached the sound subsystem/driver.
> Though with -ao dsound I'd expect there never should be any reason to use
> softvol, since directsound should do the mixing in a better way in
> software/the driver if I remember correctly.
> The feature is mostly for more lowlevel APIs.

Ok thanks for your response.  For now I basically just wanted
amplification so using -af volume=10.1:0 seems to work well.
Thanks!
-r


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