[MPlayer-users] Volume change when seeking in mp3

[Brad Hermanson]

I had a similar issue when I was developing my front-end to mplayer. The
volume would jump really high when seeking with software volume on. I can't
remember for sure, but I think what fixed it was running mplayer with
softvol-max set to 100 and with the -hr-mp3-seek flag on the command line:

mplayer -softvol -softvol-max 100 -hr-mp3-seek file.mp3

I know that -hr-mp3-seek eliminated an occasional high-pitched sound when
seeking in mp3s, but I can't remember if that was related to the volume
issue as well or if there was something else I'm forgetting.

Hope this helps,
Brad

On Fri, Sep 22, 2023 at 2:08 AM Gerhard Strangar <g.s at arcor.de> wrote:

> Hi,
>
> I'm having some weird effect when setting softvol=true in
> .mplayer/config. When I seek in large mp3 files with either the
> right-arrow or up-arrow key, the volume sometimes jumps to 90%. It does
> not happen without softvol=true. When I also set softvol-max=1000, it
> jumps to 10% only. The volume jumps seem to correlate with this message:
> AO: [oss] 24000Hz 2ch s16le (2 bytes per sample)
>
> It seems to happen with any mp3 file, it doesn't happen with videos. I
> don't know where that value is coming from, my .mplayer/config says
> volume=20.
>
> I don't know if this is an mplayer issue or if it's in ffmpeg. I'm using
> libavformat version 58.76.100.
>
> Gerhard
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