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-   -   Strange behaviour of Dragon Player/Phonon (audio but no video) (http://www.linuxquestions.org/questions/linux-software-2/strange-behaviour-of-dragon-player-phonon-audio-but-no-video-909633/)

jdkaye 10-23-2011 02:07 AM

Strange behaviour of Dragon Player/Phonon (audio but no video)
 
This is a real head-scratcher. Hopefully I've supplied all the relevant info.
Summary:
Dragon Player - audio fine but no video

All other video players works correctly: vlc, mplayer, flash ...
Details:
Debian Wheezy 3.0.0-6.dmz.1-liquorix-amd64
Using Alsa not Pulse
Code:

01:00.1 Audio device: ATI Technologies Inc RV710/730
        Subsystem: ASUSTeK Computer Inc. Device aa38
        Kernel driver in use: HDA Intel
01:00.0 VGA compatible controller: ATI Technologies Inc RV710 [Radeon HD 4350]
        Subsystem: ASUSTeK Computer Inc. Device 02a8
        Kernel driver in use: radeon
Phono Audio Output HDA ATI SB (ALC887 Analog)
cat /proc/asound/cards
 0 [SB            ]: HDA-Intel - HDA ATI SB
                      HDA ATI SB at 0xfbdf4000 irq 16
 1 [HDMI          ]: HDA-Intel - HDA ATI HDMI
                      HDA ATI HDMI at 0xfbeec000 irq 44


KDE 4.6.5
Dragon Player 2.0
audio works fine
no video

VLC
both audio and video work

MPlayer
both audio and video work

KMplayer
Phonon Movie Player
audio works fine
no video
Mplayer Movie Player
both audio and video work

GMplayer
Works with X11(Ximage/Shm)
Works with X11/Xv
Works with OpenGL
X11/VIDIX sound no video
VDPAU sound no video

jdkaye 10-23-2011 02:45 AM

Now I'm totally confused but the problem is "solved" (I guess). In the KDE system settings-->Multimedia, I reconfigured Phonon's backend from gstreamer to xine and poof!!! video came back to Dragon player (and, I suppose, to Phonon in general but I haven't tested that yet. I'll try running kmplayer with a phonon video player setting and see if that works. I'm predicting it does. I'm confused because I thought xine was dead and buried.
jdk


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