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Qt Video Application

Score 68%



Homepage:  Link
Minimum required   Qt 4.x
Downloads:  807
Submitted:  Sep 13 2008
Updated:  Apr 23 2015


a high flexible screencast Application for X11 Window Systems

„QX11Grab“ is a system tray applet for X11 desktop environments that uses FFmpeg to recording X11 Desktops and Windows.
This Application tapping window dimensions with xevent and prepare the command line for ffmpeg with configuration options.
It sends the generated parameter list to a new FFmpeg process.
QX11Grab is not the recording software it prepare all commands for FFmpeg.

- Support for tapping Dimensions on Single/Multi and Xinerama Desktops,
- Meta data input Formula,
- Audio/Video Codec Table Editors with Context Menus and predefined Arguments,
- Custom command Table editor for experts,
- Command line Preview for better understanding FFmpeg option sets,
- Configurable Audio capture Interface for Alsa/Pulse and OSS Devices,
- Bookmark support for better switch Configuration to other codec sets,
- Presets Editor for ffpresets,
- Command line Shell script export.

QX11Grab also implied a plugin interface for FFmpeg codec filters.

Filter Plugins:
- Drawing text filter dialog,
- Un/sharpen filter dialog,
- Display Aspect Ratio (DAR) dialog,
- Watermark filter dialog,
- Fade (In/Out) filter dialog,
- Webcam filter dialog.

Demo Files can found at http://qx11grab.hjcms.de

- Qt 4 >= 4.7.4 (required) http://qt.nokia.com/products/ (qt5 not supported)
- Oxygen Icon Theme >= 4.7.0 (required) ftp://ftp.kde.org/pub/kde/stable/
- FFmpeg >= 0.10 (required) 1.1 (recommended) http://www.ffmpeg.org
- libavformat >= 53.32.100 (required) 54.59.106 (recommended) http://www.ffmpeg.org
- libavcodec >= 53.61.100 (required) 54.86.100 (recommended) http://www.ffmpeg.org
- libavutil >= 51.35.100 (required) 52.13.100 (recommended) http://www.ffmpeg.org
- libavfilter >= 2.61.100 (required) 2.61.100 (recommended) http://www.ffmpeg.org
- pulseaudio >= 0.9 (required) 3.0 (recommended) http://pulseaudio.org/
- alsa >= 1.0.14 (required) 1.0.26 (recommended) http://alsa-project.org
- dbus-1 >= 1.4.12 (required) 1.6.4 (recommended) http://www.freedesktop.org/wiki/Software/dbus
- v4l2 >= 0.9.3 (optional) http://linuxtv.org/
- cmake >= 2.8.7 (required for build) http://www.cmake.org


Version 0.4.12
- BUGFIX Crash with empty expert settings
- Package Builders - Please read ChangeLog

- remove Deprecated Macros
- add audio option which quantizer to use

* BUGFIX https://bugs.gentoo.org/show_bug.cgi?id=443236
- Make AVCodec encode compatible with libav9.1
- Supported FFmpeg Versions: 0.10 1.0 1.1
- Supported libav Versions: libav 9.1
* Remove Obselete "cmp=+chroma" from ffpresets
* Remove Deprecated Member QString functions

* Bugfix invalid regular expressions replacement with libfdk-aac predicate -afterburner

* Adds support for the latest FFmpeg version, 1.0

* Add Support for FFmpeg 0.11

* Fixed - Desktop Screen Initialization with Multiple XServer Layout Configurations
* New - Enable Webcam Filter with -DENABLE_EXPERIMENTAL:BOOL=ON Build Option

* bugfix filter model on 64Bit systems
* Czech translation update by Pavel Fric

* add proccess mutexes
* fix crash - pulseaudio config dialog with broken server configuration
* fix crash - if no bookmark file exists create a dummy file for io/open
* fixed - navigation widget dragging behavior

* add Extension Manager
* fix brocken icons from newer oxygen icon theme
* add workaround to deprecated ffmpeg functions
* some CMakeLists.txt fixes
* add explicit -DENABLE_DRAWTEXT_FILTER:BOOL=ON some distributions e.g. kubuntu didn't compile FFmpeg with libfreetype support :-/

* add ffpreset editor
* add configuration dialog
* add more context actions
* fix invalid item delegation
* new rubberband behavior
* dialog style polished
* add shutdown running ffmpeg proccess if xsession going done
* filter interface

add bookmark functions
add table item delegation
add on mouse over libavcodec tool tip functions
add script export
add player functions
add auto select ffpresets
add more tool tips
add cmake INSTALL_FFPRESETS option
add cmake pulse OPTIONAL
fix crash with missing pulse server
fix crash with window manger close icon clicked
fix crash with remote dbus commands

KDE4 Support - is now optional
bug-fix Library Dependents
add Bookmark functions
add partial Table Editor Model and Item Delegation

This Release add support for ffmpeg 0.9 with pulseaudio Recording

v0.2.2 :
Bugfix: Move Settings (windowPos/windowSize and windowState) in a separate Category to fix QMainWindow invalid loader behavior
Add: Support for Audio/Video Codec Selection with libavformat and libavcodec
Modified: new Rubberband Style

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 by amigib on: Oct 11 2008
Score 50%

Great program, much faster than recordmydesktop, thanks

Slackware Addict

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 Works with 3D Desktop

 by tsujan on: Jan 14 2010
Score 50%

This is ideal for KDE (not Gnome). I couldn't record 3d desktop in KDE with any application based on recordMyDesktop. Only qx11grab worked for me. Thanks for this nice application.

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 by pejakm on: Dec 18 2011
Score 50%

I'm getting this error when trying to compile:

/usr/bin/ld: ../app/libUtils.a(windowgrabber.cpp.o): undefined reference to symbol 'XGetWindowAttributes'
/usr/bin/ld: note: 'XGetWindowAttributes' is defined in DSO /usr/lib/libX11.so.6 so try adding it to the linker command line

Also, is there any way we can turn of libpulse requirement, ie. make it optional in compile time?

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 Re: Errors

 by undefined on: Dec 19 2011
Score 50%

Normally this is not a bug.
QT4 and libavcodec depends on X11 Library.
I think, your using LDFLAG -Wl,--as-needed with Libraries.
This flag is only required with Applications and not for Libraries.

OK – have add a extra LDFLAG to fix this Problem in Version 0.3.0

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 Re: Re: Errors

 by pejakm on: Dec 19 2011
Score 50%

Forgot to mention that I use Qt 4.8.

And what about libpulse dependency, could you please add a cmake flag to turn it off at a compile time?

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 Re: Re: Re: Errors

 by undefined on: Dec 19 2011
Score 50%

Pulse is required for fetching the source Interfaces.
I must check for Downgrade the Library depends on my old testing System.
Let me some time to check this.

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 Re: Re: Re: Re: Errors

 by pejakm on: Dec 19 2011
Score 50%

Ok. Thank you for your great work!

Reply to this


 Errors with dependent Libraries

 by undefined on: Dec 19 2011
Score 50%

QX11Grab working with Pulse 0.9
but it will crash when open the pulse change device dialog with missing pulseaudio configuration.
This will fixed in the next version

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