[digikam] [Bug 376952] New: Video playback issues - no sound

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https://bugs.kde.org/show_bug.cgi?id=376952

            Bug ID: 376952
           Summary: Video playback issues - no sound
           Product: digikam
           Version: 5.5.0
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: AlbumsView
          Assignee: [hidden email]
          Reporter: [hidden email]
  Target Milestone: ---

I have sound in QtAV Player but I have no sound in digiKam. Tested on an mp4
created by ffmpeg as well as an mp4 created by camera.

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Maik Qualmann <[hidden email]> changed:

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--- Comment #1 from Maik Qualmann <[hidden email]> ---


*** This bug has been marked as a duplicate of bug 375651 ***

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--- Comment #2 from wildcowboy <[hidden email]> ---
(In reply to Maik Qualmann from comment #1)
>
> *** This bug has been marked as a duplicate of bug 375651 ***

Please note that I am not on Windows anymore. I am on Mint KDE and the bug
exists there too

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--- Comment #3 from Maik Qualmann <[hidden email]> ---
Do you use the AppImage? If not, please post the console messages of the start
from digiKam.

Maik

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--- Comment #4 from wildcowboy <[hidden email]> ---
Created attachment 104238
  --> https://bugs.kde.org/attachment.cgi?id=104238&action=edit
terminal output

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--- Comment #5 from wildcowboy <[hidden email]> ---
(In reply to Maik Qualmann from comment #3)
> Do you use the AppImage? If not, please post the console messages of the
> start from digiKam.
>
> Maik

I bet this is the line you are looking for:
digikam.general: AudioOutput backends: ("null")

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--- Comment #6 from Maik Qualmann <[hidden email]> ---
Yes, that is the line I'm looking for. Yes, in the AppImage QtAV does not find
any audio backends. There may be a lack of sound support in the CentOS version
to create the AppImage. Gilles wants to see what it could be.

Maik

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           What    |Removed                     |Added
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           Platform|Other                       |Appimage

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--- Comment #7 from [hidden email] ---
Maik,

I checked. CentOS 6.8 audio work fine. I tested with another video player than
QtAV, and it work.

QtAV still do not generate audio even if i see this message on the console :

"QtAV 1.11.0(Mar  2 2017, 12:06:14)\nMultimedia framework base on Qt and
FFmpeg.\nDistributed under the terms of LGPLv2.1 or later.\nShanghai
University->S3 Graphics->Deepin, Shanghai, ChinaCopyright (C) 2012-2016 Wang
Bin (aka. Lucas Wang) [hidden email]\nDonate:
http://qtav.org/donate.html\nSource: https://github.com/wang-bin/QtAV\nHome
page: http://qtav.org"
QT_XCB_GL_INTEGRATION:  "xcb_glx"
("./Player")
set log file:  "/home/gilles/devel/QtAV/build/bin/log-Player.txt"
Logger
Debug: vo: gl
SubtitleProcessor::id("LibASS")
Not found
Unknown id SubtitleProcessor::id("FFmpeg")
SubtitleProcessor::id("FFmpeg")
VideoDecoder::id("FFmpeg")
VideoDecoder::id("FFmpeg")
VideoDecoder::id("FFmpeg")
Debug: QHash(("probesize", QVariant(uint, 5000000))("analyzeduration",
QVariant(int, 5000000)))
Debug: status changed  "Loaded"
AudioDecoder::id("FFmpeg")          <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<!!!
Singleton 0x2704b20 created...

So i'm lost for the moment...

Gilles

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--- Comment #8 from [hidden email] ---
I compiled the current QtAV implementation from git/master which is not yet
released. Same problem...

Gilles Caulier

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--- Comment #9 from [hidden email] ---
I reported this problem as UPSTREAM to QtAV bugzilla :

https://github.com/wang-bin/QtAV/issues/834

Gilles Caulier

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--- Comment #10 from Maik Qualmann <[hidden email]> ---
Gilles,

which soundsystem does support CentOS 6.8? Pulse? OpenAL?

Maik

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--- Comment #11 from [hidden email] ---
Git commit d9cc6f1a5069a9b98ca782bb97aeb68279950c61 by Gilles Caulier.
Committed on 06/03/2017 at 05:13.
Pushed by cgilles into branch 'master'.

add openal Centos package for Audio support with QtAV while playin video under
AppImage bundle

M  +2    -1    project/bundles/appimage/01-build-centos6.sh

https://commits.kde.org/digikam-software-compilation/d9cc6f1a5069a9b98ca782bb97aeb68279950c61

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           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Video playback issues - no  |AppImage Video playback
                   |sound                       |issues - no sound

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--- Comment #12 from [hidden email] ---
Maik,

For info, CentoOS 6.8 support both : OpenAL and Pulse.
As QtAV team said, only OpenAL is enough for AppImage. See Upstream report on
github.

Gilles

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--- Comment #13 from [hidden email] ---
The AppImage 64bits with OpenAL support will be uploaded on GDrive today.

If somebody can test and report if video with audio is played fine under Linux.
Thanks in advance

Gilles Caulier

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--- Comment #14 from [hidden email] ---
GDrive repository for test AppImage :

https://drive.google.com/drive/folders/0BzeiVr-byqt5Y0tIRWVWelRJenM

Gilles Caulier

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--- Comment #15 from wildcowboy <[hidden email]> ---
(In reply to caulier.gilles from comment #13)
> The AppImage 64bits with OpenAL support will be uploaded on GDrive today.
>
> If somebody can test and report if video with audio is played fine under
> Linux.
> Thanks in advance
>
> Gilles Caulier

Problem not resolved.
Terminal does show an audiodecoder though:
AudioDecoder::id("FFmpeg")

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