<p dir="ltr">I dont know what to use instead of QtGstreamer lib, to resolve my problem. I have udp gstreamer video as source, on receiver Windows PC i need to grab current stream and use with opengl fragment glshader and use video as texture. How can i do that using only Qt without QtGstreamer bindings?</p>
<p dir="ltr">Regards, Dmitri</p>
<br><div class="gmail_quote"><div dir="ltr">On Sat, Jun 20, 2015, 12:17 PM Christian Sell <<a href="mailto:christian@gsvitec.com">christian@gsvitec.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u>
<div><div>QtGStreamer is a bad choice for that, as it is mostly outdated. I recommend using out-of-the-box Qt (VideoOutput, QAbstractVideoSurface) as much as possible. Maybe you can pull the videosink implementation from QtGStreamer and use that. Meanwhile, I will check with my boss whether we can publish the Qt videosink we have.</div>
<div> </div>
<div>Chris</div>
<blockquote type="cite" style="margin-left:0px;padding-left:10px;border-left:solid 1px blue">Dmitri Afanasjev <<a href="mailto:adimas@gmail.com" target="_blank">adimas@gmail.com</a>> hat am 19. Juni 2015 um 22:46 geschrieben:</blockquote></div><div><blockquote type="cite" style="margin-left:0px;padding-left:10px;border-left:solid 1px blue"><br><br>
<div dir="ltr">Hello!
<div> </div>
<div>I want to develop Qt application to use with gstreamer1.0</div>
<div> </div>
<div>1. Gstreamer1.0 binaries are installed and PATH is updated works fine.</div>
<div>2. Downloaded QtGstremer sources from Git (<a href="https://github.com/detrout/qt-gstreamer" target="_blank">https://github.com/detrout/qt-gstreamer</a>) but unable to build it correctly. When I do: <strong>cmake .. -DCMAKE_INSTALL_PREFIX=e:/gstreamer/qt-gstreamer -DQT_VERSION=5 -Wno-dev </strong>I see this outpur:</div>
<div> </div>
<div>
<div>-- Building for: Visual Studio 12 2013</div>
<div>-- The C compiler identification is MSVC 18.0.31101.0</div>
<div>-- The CXX compiler identification is MSVC 18.0.31101.0</div>
<div>-- Check for working C compiler using: Visual Studio 12 2013</div>
<div>-- Check for working C compiler using: Visual Studio 12 2013 -- works</div>
<div>-- Detecting C compiler ABI info</div>
<div>-- Detecting C compiler ABI info - done</div>
<div>-- Check for working CXX compiler using: Visual Studio 12 2013</div>
<div>-- Check for working CXX compiler using: Visual Studio 12 2013 -- works</div>
<div>-- Detecting CXX compiler ABI info</div>
<div>-- Detecting CXX compiler ABI info - done</div>
<div>-- Detecting CXX compile features</div>
<div>-- Detecting CXX compile features - done</div>
<div>-- Using Qt5 (min: 5.0.0)</div>
<div>-- Found Qt4or5: 1 found components: Core Gui Widgets OpenGL Quick1 Quick2 Qml Test</div>
<div>-- Boost version: 1.58.0</div>
<div>-- Found PkgConfig: E:/gstreamer/gtk-bundle_3.6.4/bin/pkg-config.exe (found version "0.28")</div>
<div>-- checking for module 'gstreamer-1.0'</div>
<div>-- package 'gstreamer-1.0' not found</div>
<div>-- checking for module 'gstreamer-base-1.0'</div>
<div>-- package 'gstreamer-base-1.0' not found</div>
<div>-- Found GSTREAMER_BASE_LIBRARY: E:/gstreamer/1.0/x86_64/lib/gstbase-1.0.lib</div>
<div>-- Found GSTREAMER_BASE_INCLUDE_DIR: E:/gstreamer/1.0/x86_64/include/gstreamer-1.0</div>
<div>-- Found GStreamer: E:/gstreamer/1.0/x86_64/lib/gstreamer-1.0.lib (Required is at least version "1.2.0")</div>
<div>-- checking for module 'gstreamer-plugins-base-1.0'</div>
<div>-- package 'gstreamer-plugins-base-1.0' not found</div>
<div>-- checking for module 'gstreamer-app-1.0'</div>
<div>-- package 'gstreamer-app-1.0' not found</div>
<div>-- Found GSTREAMER_APP_LIBRARY: E:/gstreamer/1.0/x86_64/lib/gstapp-1.0.lib</div>
<div>-- Found GSTREAMER_APP_INCLUDE_DIR: E:/gstreamer/1.0/x86_64/include/gstreamer-1.0</div>
<div>-- checking for module 'gstreamer-audio-1.0'</div>
<div>-- package 'gstreamer-audio-1.0' not found</div>
<div>-- Found GSTREAMER_AUDIO_LIBRARY: E:/gstreamer/1.0/x86_64/lib/gstaudio-1.0.lib</div>
<div>-- Found GSTREAMER_AUDIO_INCLUDE_DIR: E:/gstreamer/1.0/x86_64/include/gstreamer-1.0</div>
<div>-- checking for module 'gstreamer-video-1.0'</div>
<div>-- package 'gstreamer-video-1.0' not found</div>
<div>-- Found GSTREAMER_VIDEO_LIBRARY: E:/gstreamer/1.0/x86_64/lib/gstvideo-1.0.lib</div>
<div>-- Found GSTREAMER_VIDEO_INCLUDE_DIR: E:/gstreamer/1.0/x86_64/include/gstreamer-1.0</div>
<div>-- checking for module 'gstreamer-pbutils-1.0'</div>
<div>-- package 'gstreamer-pbutils-1.0' not found</div>
<div>-- Found GSTREAMER_PBUTILS_LIBRARY: E:/gstreamer/1.0/x86_64/lib/gstpbutils-1.0.lib</div>
<div>-- Found GSTREAMER_PBUTILS_INCLUDE_DIR: E:/gstreamer/1.0/x86_64/include/gstreamer-1.0</div>
<div>-- Found GStreamerPluginsBase: TRUE (Required is at least version "1.2.0")</div>
<div>-- Found GLIB2: E:/gstreamer/OSSBuild/GStreamer/v0.10.6/sdk/lib/glib-2.0.lib</div>
<div>-- Found GObject: E:/gstreamer/OSSBuild/GStreamer/v0.10.6/sdk/include/glib-2.0</div>
<div>-- Performing Test USE_OPENGLES</div>
<div>-- Performing Test USE_OPENGLES - Failed</div>
<div>-- Found OpenGL: opengl32</div>
<div>-- Found Doxygen: E:/gstreamer/doxygen/bin/doxygen.exe (found version "1.8.9.1")</div>
<div>-- Found DOXYFILE_IN: E:/gstreamer/qt-gstreamer/Doxyfile.in</div>
<div> </div>
<div>-----------------------------------------------------------------------------</div>
<div>-- The following external packages were located on your system.</div>
<div>-- This installation will have the extra features provided by these packages.</div>
<div>-----------------------------------------------------------------------------</div>
<div> * Qt - Required for building everything</div>
<div> * QtOpenGL - Required for OpenGL acceleration in qtvideosink and QtGStreamerUi</div>
<div> * QtQuick1 (QtDeclarative) - Required for building QtQuick1 support</div>
<div> * QtQuick2 (QtQuick) - Required for building QtQuick2 support</div>
<div> * QtQml - Required for building QtQuick2 support</div>
<div> * Boost - Required for building QtGLib</div>
<div> * GStreamer - Required to build QtGStreamer</div>
<div> * GStreamer base library - Used for building the qt5videosink element</div>
<div> * GStreamer app library - Required to build QtGStreamerUtils</div>
<div> * GStreamer audio library - Required to build QtGStreamer</div>
<div> * GStreamer video library - Required to build QtGStreamer</div>
<div> * GStreamer pbutils library - Used for building the Discoverer API</div>
<div> * GLib - Required to build QtGLib</div>
<div> * GObject - Required to build QtGLib</div>
<div> * OpenGL - Required for OpenGL rendering support in qt5videosink</div>
<div> * Doxygen - Used to generate the API documentation</div>
<div> </div>
<div>-----------------------------------------------------------------------------</div>
<div>-- Congratulations! All external packages have been found.</div>
<div>-----------------------------------------------------------------------------</div>
<div> </div>
<div>-- Configuring done</div>
<div>-- Generating done</div>
<div>-- Build files have been written to: E:/gstreamer/qt-gstreamer/build</div>
</div>
<div>===================================================</div>
<div>Seems like build is done well, but i see some warnings in the output. Using build procedure described in README i should do make. But i cannot do make without .makefile. Are these filed missing due to errors listed in output? Is is possible to build Gstreamer1.0 libs for Qt5? </div>
<div> </div>
<div>I cannot find any working solution</div>
<div> </div>
<div>Please help!</div>
<div> </div>
<div>Regards, Dmitri</div>
<div> </div>
<div> </div>
</div></blockquote></div><div><blockquote type="cite" style="margin-left:0px;padding-left:10px;border-left:solid 1px blue">
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