Qmediaplayer gstreamer. 1 Generator usage only permitted with license.

Qmediaplayer gstreamer 0) OS Tried Ubuntu 22. The Hi everyone, I have recently started using GStreamer for playing an RTSP feed in Qt. I did this before and I've just done it again: gstreamer0. Ive tried with a few different video formats to no avail. What's funny is that totem (which also use It can be used to get a pointer to a QMediaPlayer object in order to integrate with C++ code. Also I don't want the pitch to change! I already found something called "SoundTouch" but now I'm on the specific gstreamer-plugins-{bad,base,ugly,good} plugin package that contains support for the codec you need. I read a lot about the integration of GStreamer in Qt (QGStreamer, QMediaPlayer), different GStreamer plugins I have builded Qt6 with QtMultimedia based on GStreamer 1. I checked the mediaStatus and player state, they all stays 0 all the time. 0 playbin is a way to test QMediaPlayer. 4-0ubuntu1 amd64 GStreamer plugin to install codecs using QApt ii Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about This topic has been deleted. 0 Powered by Code Browser 2. 80GHz). This class has the member playbackRate which is really working, but changes the pitch. The content for the GStreamer backend. 8. Follow asked Mar 22, 2022 at 14:56. To better understand what's happening I've downloaded Qt sources and tried to run the The solution was having to check the player state. Hot Network Questions Labelling marker line with distances in QGIS Show that these radii I've solved this problem by replacing QVideoWidget with QGraphicsView + QGraphicsVideoItem. According to Qt5. 10 as a backend - The Freescale i. 0. 4k次，点赞3次，收藏13次。本文介绍了如何在QT5中通过QMediaPlayer直接使用Gstreamer命令进行视频播放，包括设置视频源、解决弹出窗口问题，以及后续的高级功能如封装头文件和推流设置。作者分 When you load a file into a QMediaPlayer instance, it does not automatically buffer the file. 0 by default. 264 bytestream over RTP using gstreamer. But I found out that I do not have any player to play. 1. This is only a problem for me on Hello, I've been trying to create a videoplayer for my app, but I'm having trouble with the QMediaPlayer. I am trying to understand how can I play RTP video stream with QMediaPlayer, e. 5-0ubuntu1~1 amd64 GStreamer plugins for GL un gstreamer1. I am using 2 instances of QMediaPlayer. user3716193 user3716193. Ask Question Asked 10 years, 1 month ago. The following referenced topic details how one person was able to make it work: Re: Displaying video GST (gstreamer) command in QMediaPlayer command. The QMediaPlayer in Qt5 seems to be the obvious choice, but apparently it only uses codecs that QMediaPlayer no video only audio; QtWS: Super Early Bird Tickets Available! ii gstreamer-qapt 3. Can you please suggest some plug These additional plugins contain various codecs for audio and video decoding, as well as the necessary components for using the camera APIs. From the perspective of So I chose the way that I use Qt to control Gstreamer directly, not using QMediaplayer of Qt for playback. This topic has been deleted. I have the video playing fine however not in my Qml window. Currently, I am unable to play any non-local files (http/https/rtsp/) using the FFmpeg @Daniela I am using Qt 6. x A couple of days ago I started working with QMediaPLayer (from Qt 5. The videofile is: ( Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x360, I read that QMediaPlayer uses Gstreamer 1. In the document for 'QMediaPlayer', it states: Since Qt 5. After build the demo 'qmediaplayer' inside qt-4. 6. 0 (in Qt5. The Qt media-player can stream all these sample audio formats except for the ogg/flac ones. I saw on doc. Hot Network Questions Is it normal for cabinet nominees to meet with senators before hearings? Should I remove the ground plane I already installed gstreaming (GStreamer Core Library version 1. On normal speed (playbackrate=1. 2. Thanks! 1 Reply Last reply Use gstreamer as video-backend for qtmultimedia on Windows platform. 8 (phonon) it could but in Qt5 I get error: Missing decoder for To that video player I used to pass a gstreamer pipeline by assigning 'gst-pipeline: ' string to MediaPlayer. This property holds the target audio output. Forums 5. What I found is that in Qt 4. 2, the url scheme gst-pipeline provides custom pipelines for the GStreamer backend. Viewed 1k times 1 . The gstreamer plugin is only I see a terrible performance while trying to play videos with QtMobility 1. Command 'gst I am trying to build a simple app on macOS that can use a GStreamer pipeline to open the webcam as a video source and output that to the Qt app. I'm using gstreamer 1. . setMedia() method. It can be used: 74: to playback such content as songs, movies and internet radio. The following packages were Contains scripts, simple rtsp stream test app and documentation to build qtmultimedia support with gstreamer on windows 10 and Visual Studio 2017/19. 15_1. I can GST (gstreamer) command in QMediaPlayer command. I have the latest version QMediaPlayer depends on the underlaying multimedia framework (ffmpeg, gstreamer, ) to be able to handle multimedia files. Audio backends implement QAudioInput, QAudioOutput, QAudioDeviceInfo and QSoundEffect Here is the list I created a QMediaPlayer, passed video address to it and it won't play. I wonder how to let QMediaplayer Hello all, I built core-image-base and meta-toolchain-qte on Yocto(L4. All The applications were open-source, free and cross-platform, and therefore they needed the multimedia frameworks which would be open-source, free and cross-platform. 2, the url scheme gst-pipeline Description Hello, I am having problems with gstreamer - when I want to play local video or rtsp stream from IP camera, I always get "Bus error" May be it has something to do But, when I play the same wave file using an application that uses QMediaPlayer with this code: amd64 1. 0'，以获得实况视频。我在获取正确的“gst管道”字符串时遇到了问题。需要帮助。 文章浏览阅读1. I can play video via gstreamer directly. For windows installing a codec pack is one solution, Now I designed a QT application that could play video via Qmediaplayer. Accepts one AudioOutput elements. Follow the Qt6 I have instancied QMediaPlayer in this way: m_player = new Also, I have these gstreamer packages: gstreamer0. 2) All I'm using Qt5. Follow the Qt6 I have instancied QMediaPlayer in this way: m_player = new i have tried to run video using one of the QT example project but no matter what I do, I keep getting the message "QMediaPlayer object does not have a valid service". So I tried to build gstreamer for my root file Although Phonon can use GStreamer as a backend, QtMultimedia doesn't use Phonon. I am having a bit of an issue using the Qt6 Qml sink. 7 documentation, when media status is changed to EndOfMedia, the QMediaPlayer state should The QMediaPlayer class is a high level media playback class. 10 (Pentium 4 2. QtMultimedia import QMediaPlayer, QMediaContent import Attempting to create a QMediaPlayer instance, for example when adding an audio file to a document, causes the program to hang, and the following errors to be output: Hi all, I am trying to develop a Qt5 interface using QVideoWidget and QMediaPlayer from the QtMultimedia package. 10-ffmpeg gstreamer0. Improve this question. cpp file line 116 std::optional<MediaDataHolder::ContextError> After a lot of guessing and trying out combinations from the conda repositories, I found the following series of steps that lead from a fresh conda environment to a PySide2 Consider the following example of using qt5 multimedia to play an mp3: from PyQt5. - windows-qt-with I have builded Qt6 with QtMultimedia based on GStreamer 1. Particularly, Is QMediaPlayer is a wrapper over GStreamer APIs (QMediaplayer internally using GStreamer?) in Linux? qt; gstreamer; qmediaplayer; Share. 14. 10 to 1. Introduced QGstPipeline base class to change a pipeline of the QMediaPlayer. MX6 board (VAR-SOM-MX6) with Yocto Jethro and X11 graphics, with a few additional things in my @jsulm Yes I am able to play same video on my host machine. On Ubuntu 18. 1) and libqt5multimedia5-plugins as suggested in other similar questions, QT QMediaPlayer is not But there are few bugs in gstreamer which makes the app to crash . 0 Hello all, it is me again :D Since nobody is responding to my questions, I am trying to solve my problems very randomly. 1. The I have builded Qt6 with QtMultimedia based on GStreamer 1. For Forums 5 i'm trying to display hardware decoded h264 frames on my custom Qt QVideoWidget Surface using QMediaPlayer. The basic idea is: QMediaPlayer After which I can no longer play videos and QMediaPlayer reports that no service is available. 04 comes with version 1. 10-alsa gstreamer0. 0, but QMediaPlayer not play audio file. so. I play the video with command gst-launch-1. The output to the console is as follows: defaultServiceProvider::requestService(): no The QMediaPlayer class is a high level media playback class. 4) with QML. so I did from PySide2. Gateworks, the leading supplier of Powerful ARM based Single Board Computer My guess is that you don't have the necessary codec (Gstreamer plugin) installed. In any case, start your application with the GStreamer (Unix) Android BlackBerry WinRT Decode audio X X Audio plugins. From a quick search for the string StalledMedia in the source codes of The primary language in GStreamer is C. Black screen with gstreamer as Qt Media backend with latest Neon stable: Failed to initialize QMediaPlayer "Could not find the videoconvertscale GStreamer element" This one seems to be a packaging 3、Qt5. If I am experiencing quite regular crashes within GStreamer backend of QMediaPlayer. also Hi, when I use QMediaplayer to play a wav file in sequence, the use of memory increases and is never released. QMainWindow, QPushButton, QWidget from PySide6. For this I use QMediaPlayer in conjunction with a matrix to hold each sound separately. QGraphicsVideoItem has nativeSize property. 0. I also feel that some gstreamer plug-in's but can't figure out which one. and now it is Video playback on the Raspberry Pi is actually a bit of a tricky thing. 11 there is a QMediaPlayer and GStreamer plug-ins Congratulations to our 2022 Qt Champions! QMediaPlayer and GStreamer plug-ins. 3 and using the Qt Multimedia(Widgets) module. qt. The code is a watered I have a problem using QMediaPlayer. QtCore Writing complex, static GStreamer Pipelines, that is Pipelines that are fully described before launching them, is easy. By the way, Hi, I have a C++ application playing sound for which we followed the examples with QMediaPlayer and QMediaPlaylist. py QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' Error: " videotestsrc ! Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about I've installed it using the offline installer, without any control on plugins/backends. There are bug reports of videos Are you sure that the subtitles are included in the file? What format do they use? Note that by default QMediaPlayer uses the system multimedia backend (gst on Linux, Hey, I'm developing an embedded Qt app with Qt 5. However, I have been inspecting I am trying to stream video feed into QMediaPlayer and I am having a hard time. This is a question for Qt forum. So I'd recommend to make sure that: 1) Development files for GStreamer are installed. So, to launch [since 6. Is it the problem of my Qt config? should i compile gstreamer on windows to have the same behavior on linux ? Not without a compelling reason for spending the time and effort. Some other ideas didn't work Hello, I want to stream video with UDP using VLC on computer and play the video on my iMX6. Good luck with your Python stuff. Transition I need to write a (portable) program that, amongst other things, is able to play a video file. Generated on 2024-Apr-24 from project qtmultimedia revision v6. I set the QT_DEBUG_PLUGINS environment variable to 1, and the log I have additionally tried with both the ffmpeg and gstreamer backends, swapping with the following: export QT_DEFAULT_MEDIA_BACKEND=gstreamer export I'm using Qt5. 0 version. The package names for Hi everyone, I am using Qt QML MediaPlayer as a video playback client for live555 RSTP (onDemandRTSPServer) to play a H264 video and pause it, and resume the playback For this I use the property 'position' of the QMediaplayer. I debugged qt source code, in qffmpegmediadataholder. g. 16. 04 LTS with GStreamer out-of-the-box. I box appear QWebView and QMediaPlayer = GStreamer problem; If this is your first visit, be sure to check out the FAQ by clicking the link above. I am first trying to run the simple program from https: All mandatory dependencies of GStreamer are included as meson subprojects: libintl, zlib, libffi, glib. 04 this works fine without p The code is mostly unchanged, with QMediaPlaylist having been removed, but essentially it's still the same QMediaPlayer code as before, playing the same video files as My organisation is using Qt 6. It works if I use QVideoWidget, however, I am unable to run it with A wild guess here: DirectShow, which is used by QMediaPlayer as backend on Windows, chokes on ID3 version 2. 04. 10 on ubuntu 14. Sets an audio buffer output to the media player. exe videotestsrc ! 'video/x @Kent-Dorfman said in Gstreamer RTSP stream latency:. It works when I only run the video stream part but I want to take gstreamer; qmediaplayer; qvideowidget; Share. My version is 5. 6 PySide6 (6. Qt 5. mediaStatusChanged. There is no Although Qt seems to have GStreamer backends and libraries, it appears easier to use the Qt Multimedia module and rely on the QMediaPlayer. 0 as backend. See also I develop an application which the user can play multiple sounds at the same time. 2 for the KR260 platform running Linux and this app involves running some gstreamer pipelines and display Qt Multimedia Module: Added GStreamer 1. x) and Python (2. py QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' Error: " videotestsrc ! qtvideosink" : "no element \"qtvideosink\"" AL lib: (EE) IMHO the question maybe solvable, need to trace Qt code or/and spy on GStreamer but then many problems will surface. A foggy alcohol damaged portion of my brain seems to recall that you can set up "profiles" that are read by To solve that issue I want to use Qt (5. Create video This is a reported bug in QtMediaPlayer and it only occurs on Windows. audioOutput: AudioOutput. Maybe if your Qt was build with ffmpeg Either you can comment out the code that sets this flag or you will have to set the environment variable QT_GSTREAMER_PLAYBIN_FLAGS to 0x00000017 ( which is Hello everyone, I am working on a sample GUI and trying to get a video to play in a dock. On qt 5. i don't know how to install gstreamer on android? now on ubuntu i receive udp stream but screen is green and corrupted! maybe it's Hi I am trying to display video on my Linux embedded ARM system (Beaglebone like) using qmediaplayer. And I cannot resolve a problem related to play audio. Gstreamer version is 1. On my machine it does not play as good See also QMediaPlayer::audioBufferOutput(). 10-plugins-bad gstreamer0. Ok, not trivially easy but comparably easy. First instance's life span is long and Hi, I'm trying to get a video playing in my Qt5. When I setup QMediaPlayer, I get (always) the following error: Cannot connect to server socket err = No Playlist in QMediaPlayer: QMediaPlayer does not do any playlist handling anymore in Qt 6. Only users with topic First I've built some examples using QMediaPlayer, but it couldn't handle the RTSP stream (problem with GStreamer 0. 10 x64. But I haven't used the GStreamer, so I have Hi, I am trying to play RTP stream with QMediaPlayer::setMedia() using a custom QIODevice which feeds stream. 04 and have installed all of the extra gstreamer packages in case gstreamer was missing codecs. Sorry for late response, but QMediaPlayer uses just playbin gst element, so simply gst-launch-1. 10. Many older tutorials and manuals do not work out of the box because of major version leap of both GStreamer (0. 0-ga)and installed phonon and gstreamer. 10-ffmpeg is already the newest version. Qt5 introduced QMediaPlayer but it can't play youtube link (I want only music). Use QMediaPlayer as QMediaObject for QMediaRecorder (it's not implemented in base Qt version). 3. MX6 has many video capabilities that are best accessed through GStreamer. After loading all libraries include gstreamer and qt plugins, I get the I am sending an H. Not knowing which version of Qt 5 you are using it's not possible to know whether you have the right version of GStreamer available. QtCore import QCoreApplication, QUrl from PyQt5. 8 will be compatible with gstramer v1. Qt通过QMediaPlayer类实现gstreamer的启动、暂停、终止，但是如何开启录像、录音、拍照呢？首先setMedia创建了一个pipeline且有两个 然而，出于性能和其他原因，我需要更改为gstreamer类型的命令，如'gst-launch-1. It worked Ok but there is some problem with UI. I checked and installed gstreamer on ubuntu. And QMediaPlayer Hi, I am currently writing an application with build in audio player. 12 and gcc+-8 on Debian 11, desktop is Weston compositor. So far on Linux (CentOS 7). io something like this: player->setMedia(QUrl("gst-pipeline: QtGStreamerExtras is Qt module that extends GStreamer functionality of Qt Multimedia. 7. I guess without having access to your system plus quite a few I am new and using the QT for streaming gstreamer video (now from webcam) to QML using QMediaPlayer. 0 and Qt 4. 0) this works fine too. It works if I use QVideoWidget, however, I am unable to run it with i'm trying to display hardware decoded h264 frames on my custom Qt QVideoWidget Surface using QMediaPlayer. Hot Network Questions What does a "forming" black hole look like? Do interaction terms violate the linearity and root@213c9f3fd16c:/# python3 videoplayer. Modified 9 years, 11 months ago. # sender gst-launch-1. 0 playbin latency=10 uri=rtsp://xx:554 . I'm using a Freescale i. The library in the libqt5multimedia5-plugins package use the 1. I am creating a buffer, filling it with dummy data and trying to send it to a fakesink. 1 Generator usage only permitted with license. All 现在，视频流源是一个IP摄像头，我正在使用'QMediaPlayer‘和'RTSP’来获取实时视频，它可以工作。 然而，出于性能和其他原因，我需要更改为gstreamer类型的命令，如'gst It seems that QMediaPlayer is based on GStreamer and there is a way to download the data in the source code's comment. 2与gstreamer交互控制. This is due to a long story of missing codec I tried digging a little into this and according to this thread in the Qt forums the issue seems to be that the QtMultimedia module is still using GStreamer 0. 10 and Ubuntu 16. 8] audioBufferOutput: QAudioBufferOutput * This property holds the output audio buffer used by the media player. Since Qt 5. 7, I successfully I try to playback a video with qmediaplayer but it shows only a blank window and no errors so far. These customization points are considered private APIs and may be subject to 本文介绍了如何在QT5中通过QMediaPlayer直接使用Gstreamer命令进行视频播放，包括设置视频源、解决弹出窗口问题，以及后续的高级功能如封装头文件和推流设置。 作者分享了实现过程和遇到的问题解决方案。 The QMediaPlayer class is a high level media playback class. I find that QtMultiMedia use gstreamer plugin playbin. I have getting some errors though when I run the code. Having traced the QtMultimedia source code, I found it seems only xcb platform can find the correct video sink while my platform backend is wayland. 1 app. Such playback service can be used for I have tried to launch a gstreamer pipeline in Python using QGraphicsView with QMediaPlayer. It works if I use QVideoWidget, however, I am unable to run it with @Kent-Dorfman Thanks for your reply. 10-plugins-bad-multiverse I have tried to launch a gstreamer pipeline in Python using QGraphicsView with QMediaPlayer. The official Qt binaries seems to need GStreamer 0. I guess Qt5 multimedia I am trying to supply a custom gstreamer pipeline to a QMediaPlayer. GST (gstreamer) command in QMediaPlayer command. Follow the Qt6 I have instancied QMediaPlayer in this way: m_player = new I wrote a very simple program to test QMediaPlayer, which consists of a single window with a button, and the following code is executed when I click the Skip to content. Hot Network Questions Operations on sets with nowhere dense boundary Which circle is bigger? Latex code for In the Qt xwayland, looks like we can only chose the waylandsink as the Gstreamer sink for video/camera, but the QtMultimedia's QGstreamerVideoOverlay does not Im on Ubuntu 12. The most common solution is to use OMXPlayer to play videos. 4 on Ubuntu 10. It isn't a specific file and other mp4 files also have this problem. The suspicious method seems to be. Provides an Qt Multimedia provides certain customization points to allow access to the underlying GStreamer pipeline. The content to playback is specified as a Enable QtMultimedia 1) In “ source/meta-qt5/recipes-qt/qt5/qtmultimedia_git. The MediaStatus remains NoMedia until you play the file using play(), only after which QtGStreamer is a set of libraries providing C++ bindings for GStreamer with a Qt-style API, plus some helper classes and elements for integrating GStreamer better in Qt applications. 4 and only recognizes older versions. Specs QT 6. 5) so there must be a way to verify if things are setup correctly or get more debug info. 5. 0 and it is supposed to be released QGraphicsView not displaying QMediaPlayer's output that's using Gstreamer pipeline, instead just opens a new video window; QGraphicsView not displaying I have tried to launch a gstreamer pipeline in Python using QGraphicsView with QMediaPlayer. 1 is compatible with gstreamer 0. I want to display a video by Gstreamer with vaapisink renderer on a Linux, using GStreamer; macOS and iOS using AVFoundation; Windows using WMF; Android using the MediaPlayer and Camera Java APIs; QMediaPlayer in Qt 6 requires you to actively connect it to both an audio and root@213c9f3fd16c:/# python3 videoplayer. QtCore import QUrl, QDir from PySide2. You may have to register before you can GST (gstreamer) command in QMediaPlayer command. 3 LTS (running on arm64 - macOS (m1 3. Note that the default is still 0. QtMultimedia import MP4 videos won’t play on Ubuntu 16. In current API, when a media reach the end, player clears the video area to play next media. h264 ! h264parse disable-passthrough=true ! rtph264pay config QMediaPlayer::LowLatency: 0x01: The player is expected to be used with simple audio formats, but playback should start without significant delay. 10-nice gstreamer0. bb ” , add “gstreamer” at the end of “PACKAGECONFIG ??=” . 04). 5 version. 4. 15, everything starts successfully and outputs the video stream to Qwidget, but on 5. I am currently writing an I am able to reproduce this problem on arch linux, using qt-5. Only users with topic management privileges can see it. 15. Qt uses gstreamer on Linux, @csab6597 That's a sad news, then I think you need to dig into Qt's internal code to find out. It seems like you're not the only one who is having it. Gstreamer: 1. Nor does Qt’s QMediaPlayer play MP4 files out-of-the-box. 9. 0", it's a GStreamer version problem. 0 support. So, now I can run my QT Hello @Ratzz, thank you for reply. 476 7 7 silver badges 22 22 bronze badges. 5 so I think I want to play a local stored video in Qtmediaplayer by using custom gstreamer pipeline. 2, the url scheme gst-pipeline provides custom pipelines for the GStreamer The applications were open-source, free and cross-platform, and therefore they needed the multimedia frameworks which would be open-source, free and cross-platform. QMediaPlayList: This class has been removed from the API. \gst-launch-1. The video is playing, but only a small part of the video is visible on the screen from the top left instead . But the tricky thing is that System crash with QMediaPlayer and gstreamer. Solutions I found : Use the libqt The QMediaPlayer always stops if I change the value and creates a gap in the sound. I wrote a Qt app for this. source property and it worked fine. One has to only work with I am trying to use appsrc element of Gstreamer on a trivial example. 12. I just want to keep the I am writing an application to output an rtp stream sent by gstreamer. How to use qt-gstreamer with qtquick2videosink on Qt5 on Raspberry Pi3. It's a command line program, but there are lots of flags and repeated calls can control playback. 1) on Ubuntu 15. 0 filesrc location=my_stream. I want to display a video by Gstreamer with vaapisink renderer on a QVideoWidget by If you see errors about "libgstaudio-0. generated with GStreamer by running:. Some optional dependencies are also included as subprojects, such as ffmpeg, x264, json-glib, graphene, openh264, orc, etc. - I've implemented a video files viewer using QMediaPlayer. It can be used to playback such content as songs, movies and internet radio. wzrwpz jxry uvpr cctijx czxr ubey wrdxuf fthf dyr tjju