[prev in list] [next in list] [prev in thread] [next in thread] 

List:       kde-multimedia
Subject:    Re: continuous play
From:       Harald Sitter <sitter () kde ! org>
Date:       2013-09-10 7:41:44
Message-ID: CAEc+18H1540q0VtvxcLtpqz=8chx73LXWg5Dc1aTZfjbig2gXQ () mail ! gmail ! com
[Download RAW message or body]

Ahoy,

On Mon, Sep 9, 2013 at 6:39 PM, Marcos Dione <mdione@grulic.org.ar> wrote:
> 
> I'm not even talking about gapless here. I have a toy audio player.
> What I want to achieve is simply this: when the current song is about to
> end, pick another song, add it to the play queue. when the song really
> finishes, the one just queued should be played automatically. how the
> song is picked is not important.
> 
> I'm using two features for that: MediaObject.aboutToFinish() and
> MediaObject.enqueue(). the attached script (in python, using pyqt4) is an
> example of this. the script accepts two files to play using that scheme.
> 
> I'm using both phonon-vls and phonon-gstreamer. setting their debug
> envvars to 1 gave not much more info, but here's the output with VLC:
> 
> mdione@diablo:~/src/projects/trash & toys$ python phonon.py \
>                 /usr/share/sounds/purple/alert.wav \
>                 /usr/share/sounds/purple/login.wav
> WARNING: Phonon needs QCoreApplication::applicationName to be set to export audio \
> output names through the DBUS interface [0x1429cc8] main services discovery error: \
> no suitable services discovery module next!

Phonon VLC does not support gapless playback. Phonon GStreamer on the
other hand does, but only if the sound length is more than a couple of
seconds, which considering the file names is likely not the case. So
unfortunately this cannot be achieved with Phonon 4.

> and then nothing. similar with gstreamer.
> 
> I think maybe I'm doing it wrong. what I want, is it possible? if so,
> how? maybe my phonon version  is too old, but this is from Debian Sid:
> 
> mdione@diablo:~/src/projects/osm$ dpkg -l | grep phonon
> ii  libphonon-dev                                4:4.6.0.0-3                   \
> amd64        multimedia framework from KDE - development files ii  libphonon4:amd64 \
> 4:4.6.0.0-3                   amd64        multimedia framework from KDE - core \
> library ii  phonon:amd64                                 4:4.6.0.0-3                \
> amd64        multimedia framework from KDE - metapackage ii  \
> phonon-backend-gstreamer:amd64               4:4.6.3-1                     amd64    \
> Phonon GStreamer 0.10.x backend ii  phonon-backend-gstreamer-dbg:amd64           \
> 4:4.6.3-1                     amd64        debugging symbols for the Phonon \
> GStreamer 0.10.x backend ii  phonon-backend-vlc                           0.6.2-2   \
> amd64        Phonon VLC backend ii  phonon-backend-vlc-dbg                       \
> 0.6.2-2                       amd64        Phonon VLC backend debugging symbols ii  \
> phonon-dbg:amd64                             4:4.6.0.0-3                   amd64    \
> multimedia framework from KDE - debugging symbols ii  python-qt4-phonon             \
> 4.10.2-2                      amd64        Python bindings for Phonon ii  \
> python3-pyqt4.phonon                         4.10.2-2                      amd64    \
> Python3 bindings for Phonon ii  python3-pyqt4.phonon-dbg                     \
> 4.10.2-2                      amd64        Python3 bindings for Phonon (debug \
> extensions) 
> TIA,
> 
> Marcos.
> 
> --
> (Not so) Random fortune:
> Cynic, n. A blackguard whose faulty vision sees things as they
> are, not as they ought to be. Hence the custom among the
> Scythians of plucking out a cynic's eyes to improve his vision.
> -- Ambrose Bierce
> _______________________________________________
> kde-multimedia mailing list
> kde-multimedia@kde.org
> https://mail.kde.org/mailman/listinfo/kde-multimedia
_______________________________________________
kde-multimedia mailing list
kde-multimedia@kde.org
https://mail.kde.org/mailman/listinfo/kde-multimedia


[prev in list] [next in list] [prev in thread] [next in thread]