[Bug 769964] audiokaraoke

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=769964

--- Comment #3 from TLSH <632386857 at qq.com> ---
(In reply to Tim-Philipp Müller from comment #1)
> Sorry, I don't understand this bug report. Could you describe in more detail
> what you think the bug is, and how it relates to audiokaraoke?
> 
> If the volume level is different for headphones and loudspeaker that sounds
> more like a speaker volume / mixer setting issue?

We need to Eliminate the human voice in a song, so we use "audiokaraoke" and
set the property "level", "filter-width" to do it. you will see my function：
- (void)setRemoveVoice:(BOOL)remove {
    if (self->pipeline == NULL)
        return;

    float level = remove ? 1 : 0;
    g_object_set(self->audiokaraoke, "level",level, NULL);
}
     l call this function after song playing, it is successful to Eliminate the
human voice when Connecting Headphones. However, Pull out the Headphones and
use the loudspeaker to play the song it was no sounds anymore. l want ask about
the reason.(Hardware without any problems)

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