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CONTENT
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VLC-Qt library

   0.8.1  

Qt Development Tool

Score 54%
ntadejntadej
VLC-Qt library
zoom

Homepage:  http://projects.tano.si
Link:  Link
Issue Tacker:  Link
Downloads:  4730
Submitted:  Oct 14 2010
Updated:  Apr 27 2013

Description:

VLC-Qt is a free library used to connect Qt and libvlc libraries.
It contains core classes for main media playback and also some GUI classes for faster media player developement.

VLC-Qt is free (libre) software. This means that the library source code is available to public, anyone is welcome to research how the library works, participate in its development, freely distribute the library and spread the word!

VLC-Qt runs on Linux and Windows, other operating systems are currently not supported.

Official builds available for:
- Windows
- Ubuntu
- ArchLinux
- OpenSUSE (community)

GitHub project:
https://github.com/ntadej/vlc-qt




Changelog:

0.8.1 (2013-04-27)
* Autodetect Qt4 or Qt5
* Restored MinGW support
* Windows SDK updated to Qt 5.0.2 and VLC 2.0.6 with release and debug builds




License: LGPL
(Download page with links for all platforms)
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 VLC-Qt

 
 by airfire on: Sep 5 2011  
Score 50%
airfireairfire
Home

Please say me how i can play two videos in one application?

i try this code:

//----------------------------------
QStringList * VlcArgs = new QStringList();
VlcArgs->append("--no-one-instance");

VlcVideoWidget * video = new VlcVideoWidget();
video->setGeometry(0,400,500,500);
video->show();

VlcInstance* instance1 = new VlcInstance(*VlcArgs,this);

VlcMediaPlayer* player1 = new VlcMediaPlayer(video->widgetId(),video);
player1->open("1.wmv");

VlcVideoWidget * video2 = new VlcVideoWidget();
video2->setGeometry(0,700,500,500);
video2->show();

VlcMediaPlayer* player2 = new VlcMediaPlayer(video2->widgetId(),video2);
player2->open("2.wmv");
//----------------------------------

also i try this code:

//----------------------------------
VlcVideoWidget * video = new VlcVideoWidget();
video->setGeometry(0,400,500,500);
video->show();
VlcInstance* instance1 = new VlcInstance(*VlcArgs,video);
VlcMediaPlayer* player1 = new VlcMediaPlayer(video->widgetId(),video);
player1->open("1.wmv");


VlcVideoWidget * video2 = new VlcVideoWidget();
video2->setGeometry(0,700,500,500);
video2->show();

VlcInstance* instance2 = new VlcInstance(*VlcArgs, video2);

VlcMediaPlayer* player2 = new VlcMediaPlayer(video2->widgetId(),video2);
player2->open("2.wmv");
//----------------------------------

in both i have only one last video...


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 Re: VLC-Qt

 
 by ntadej on: Sep 5 2011  
Score 38%
ntadejntadej

Sorry, but you can currently use only use one Instance and one MediaPlayer at a time.

You can file a bug report or even submit a patch on GitHub page (https://github.com/ntadej/vlc-qt). I currently busy with other projects, so don't expect this to be fixed soon.

Sorry for any inconvenience.


Reply to this

-

 Re: VLC-Qt

 
 by ntadej on: Sep 15 2011  
Score 38%
ntadejntadej

Good news!

Today I have pushed a new commit to VLC-Qt which enables multiple media players and instances. You can checkout from git and test. Bugs can exist!


Reply to this

-
.

 Execution error in DemoPlayer

 
 by drpeps on: May 18 2012  
Score 50%
drpepsdrpeps

Dear community,

I think I managed to set up vlc-qt correctly, and was able to compile the DemoPlayer example with Qt 4.8.1 under Windows XP (Service Pack 3).

When I execute the binary it immediately crashes. Qt gives me the following debug message: "QWidget: Must construct a QApplication before a QPaintDevice" (of course a QApplication is already constructed in main.cpp). The source of this message appears to be the constructor method of VlcVideoWidget.

Also, if I skip initializing a VlcVideoWidget object, I get another strange debug message when initializing a VlcInstance object:
"QObject: Cannot create children for a parent that is in a different thread.
(Parent is MainWindow(0x22fe70), parent's thread is QThread(0x3e5b18), current thread is QThread(0xd953e30)"
This does not crash the program, though.

What am I doing wrong?

Best regards


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 Re: Execution error in DemoPlayer

 
 by ntadej on: May 27 2012  
Score 50%
ntadejntadej

Sorry for the late reply. I just released VLC-Qt 0.6.1 which may fix the issue.


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-

 Unable to build latest release

 
 by turgutm on: Jun 28 2012  
Score 50%
turgutmturgutm

Can you please provide which version of VLC player, Qt version should be linked?


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 Re: Unable to build latest release

 
 by ntadej on: Jun 28 2012  
Score 63%
ntadejntadej

0.6.* branch should work witg VLC 1.1 or later, Qt 4.6 or later.

Current master version is tested only with VLC 2.0 and Qt 4.8.

You can paste the error and maybe we can fix the issue.


Reply to this

-

 Done

 
 by turgutm on: Jun 28 2012  
Score 50%
turgutmturgutm

It's ok now.

Thanks for reply and vlc-qt really saved a lot of time. Great job!


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 Execution error in DemoPlayer

 
 by adks3489 on: Jul 5 2012  
Score 50%
adks3489adks3489

When I execute the DemoPlayer in examples, I got some error message.
---------
Invalid parameter passed to C runtime function.
Invalid parameter passed to C runtime function.
QWidget: Must construct a QApplication before a QPaintDevice
---------
Could you tell me how to fix it? Thanks!


Reply to this

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 Re: Execution error in DemoPlayer

 
 by ntadej on: Jul 5 2012  
Score 50%
ntadejntadej

Which system, compiler and VLC-Qt version are you using?


Reply to this

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 Re: Re: Execution error in DemoPlayer

 
 by adks3489 on: Jul 9 2012  
Score 50%
adks3489adks3489

Already Solved.
Thanks.


Reply to this

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 Re: Re: Re: Execution error in DemoPlayer

 
 by toto74 on: Aug 7 2012  
Score 50%
toto74toto74

how solved this problem please?


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-
.

 buffering status

 
 by chriske on: Jul 5 2012  
Score 50%
chriskechriske

Hi,

thank you for your project, it's very useful.

I've compiled your source (0.7.0) on linux (with qt 4.7.4, vlc 2.0). Everything went well. I've tested the example application, and working fine, but buffering status indicator (emitted by playing(bool, bool) signal) is never true and VLC::State is never buffering (from currentState signal). Have you any idea why is this happening?

Thank you and cheers,
chriske


Reply to this

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 Re: buffering status

 
 by ntadej on: Jul 5 2012  
Score 50%
ntadejntadej

playing(bool, bool) signal is deprecated and will be removed in final 0.7.0, currentState is to be used. From my experience buffering status is not often present but playing status should work just fine.


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 Re: Re: buffering status

 
 by chriske on: Jul 6 2012  
Score 50%
chriskechriske

Thank you for the answer!

I've created a GPRS-like bandwidth limit with wondershaper on my ethernet interface. The video stream is decoded well, and the player is buffering too, but Vlc::State is never will be Vlc::Buffering . I've got two runtime messages, which I think could be the problem. First: Xlib not initialized for threads. After this message, I've added --no-xlib arg to instance's constructor. When I run the application, the second message: xcb_xv vout display error: no available XVideo adaptor . I'dont know what this means, but maybe this causes my problem?

Thx


Reply to this

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 Re: Re: Re: buffering status

 
 by ntadej on: Jul 6 2012  
Score 50%
ntadejntadej

Include this:
#include <X11/Xlib.h>

And then at the start of main function add
XInitThreads();

You may need to link with X or Xlib depending on your Linux distribution. I hope it helps.


Reply to this

-
.

 Can't see seek widget

 
 by adks3489 on: Jul 9 2012  
Score 50%
adks3489adks3489

Hi,
I found that I can't see my seek widget.
But when I click the position of my seek widget, it is worked. It's just I can't see it.
Is there something I miss?
Thanks!
--------
Information:
OS: Windows 7
Qt Creator 2.4.1
Qt version: Qt 4.8.1 for Destktop - MinGW


Reply to this

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 Re: Can't see seek widget

 
 by adks3489 on: Jul 9 2012  
Score 50%
adks3489adks3489

And my VLC-Qt version is 0.6.2

Thanks


Reply to this

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 Re: Can't see seek widget

 
 by ntadej on: Jul 9 2012  
Score 50%
ntadejntadej

Do you see it when you run test-vlc-qt.exe or demo-player? What kind of media are you playing?


Reply to this

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 Re: Re: Can't see seek widget

 
 by adks3489 on: Jul 9 2012  
Score 50%
adks3489adks3489

Yes, I can see it when I run test-vlc-qt.exe.
And I compare the code of TestPlayer.cpp to my code, It's almost the same.
Maybe the problem is my project setting, I will go to check it.

Thanks!


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