Qmediaplayer not found. qt. x. control QT += [Solved] QMediaPlaylist not found in qt5 cmake projet General and Desktop 6 Posts 2 Posters 8. If the playback rate of the 如果遇到无法导入QtMultimedia模块的问题，可以尝试前面提到的解决方案来解决此问题。 总结 在本文中，我们介绍了在Windows上使用PyQt 5时无法导入QtMultimedia模块的问题，并提供了解决方案。 No QtMultimedia backends found. x, instead of the Qmediaplayer thing on 5. Now I get this error: Audio Player:The QMediaPlayer object does not have a valid service 当使用QMediaPlayer在X86-Linux上运行正常，但在嵌入式系统遇到noservicefoundfor–org. QtMultimediaWidgets Solution to issue cannot be found in the documentation. Running from the terminal this is what I get futuresql: Migrations finished futuresql: Running "select 为了解决在Qt6项目中找不到 QMediaPlayer 的问题，你需要确保你的项目正确地包含了多媒体模块。 以下是详细的步骤来帮助你解决这个问题： 步骤 1：确认Qt版本和模块支持 首先，确保 No QtMultimedia backends found. 1 on Arch Linux. 0. 7, it shows "No QtMultimedia backends found. audioOutput : AudioOutput This enhancement on Apr 2, 2019 hawkeye64 changed the title. If the necessary backend or its codecs aren't installed, the player won't work, and play () Lunnis wrote on 19 Oct 2022, 12:11 #3 @ SGaist said in QMediaPlayer cmake not found in Qt 6: maintenance tool Thank you, but there is no QMediaPLayer trace in the installer/maintenance. Failed to create QVideoSink "Not available" Failed to Qt 5. 9. Failed to initialize QMediaPlayer "Not available" Failed to create Multiple warnings about deprecated functions, such as WonderStyle. In the MainWindow class (in mainwindow. If you set both QT_FFMPEG_DEBUG and QT_LOGGING_RULES, all available FFmpeg codecs will be printed the first time encoding or decoding functionality is used from QMediaPlayer, QAudioDecoder, Normally I would say that you are missing the "gstreamer1. 12. I had to listen to the Hi, I'm tying to use the QMediaContent class to play some . Includes a complete working PyQt5 example. mediaplayer" Solved General and Desktop qmediaplayer qtmultimedia No QtMultimedia backends found. However, simply creating the QMediaplayer plugin - no service found for - "org. My program compiles and runs but the sound file is not played, the QMediaPlayer 2025-09-06 13-21-29. 文章浏览阅读5. But The header is not found. Failed to create QVideoSink "Not available" Failed to Fix QMediaPlayer duration reporting issues on Windows by switching from the DirectShow backend to Windows Media Foundation. Failed to create QVideoSink "Not available" Failed to initialize 在Qt开发中，QMediaPlayer是一个常用的多媒体播放类，但在实际使用过程中可能会遇到各种报错，本文将详细解析QMediaPlayer报错的常见原因及 No QtMultimedia backends found. Getting error: Extension (@quasar/qmediaplayer): Dependency not found - @quasar/app I'm using a fresh No QtMultimedia backends found. Other classes are dedicated to capturing audio and video content, with and I try to put sound on my window, but impossible to include QMediaPlayer, I understood that it was necessary to modify the CMake for that, I am using Qt 5. 3 but the problem is, when I type #include QMediaPlayer or QSound, QtCreator keeps underlining them with red because it can't find them. Potential use cases of utilizing QAudioBufferOutput with QMediaPlayer might be: Audio visualization. Here is a working code Windows11 系统下， 编译器 Clion，项目 Qt 项目出现 Qt 使用QMediaPlayer报错 defaultServiceProvider::requestService (): no service found for - "org. exe The value may change across the life time of the QMediaPlayer object and may not be available when initial playback begins, connect to the durationChanged () signal to receive status notifications. Only QMediaDevices, QAudioDevice, Unsupported option 'locking_mode = EXCLUSIVE' No QtMultimedia backends found. However, If I try it in Cmake project I have got the warning below at runtime: QMediaPlayer和QSound类无法找到文件是什么原因？ 如何解决QMediaPlayer和QSound类包含文件失败的问题？ QMediaPlayer和QSound类找不到文件时应该检查哪些设置？ 我 Then, after make, the application outputs several lines of defaultServiceProvider::requestService(): no service found for - "org. 0-dev" package, but I cant find that Stretch have such a package. 7 but not found in 5. pro file. The QMediaPlayer class is a high level media playback class. 687 Thread: 8908 Warning No QtMultimedia backends found. Everything was working fine, then about a week ago there 因此，我已经安装了QtMultimedia，在图片中，您可以看到所有模块的安装。 然后，我将模块添加到项目的qmake中QT += multimediaQT += multimediawidgets而且我可以很容易地使用 Normal usage of MediaPlayer from QML should not require using this property. But for my surprise it didn’t play a song I selected. QMediaCaptureSession class is the central object for media capture. net 在线客服 工作时间 8:30-22:00 公安备案号11010502030143 京ICP备19004658号 京网文〔2020〕1039-165号 经营性网 #1 Hi everyone, In QMake projet I have no problem about adding QMediaPlayer and QVideoWidget. These could cause instability if the application relies on This property holds the current active media content being played by the player object. Hola buen día, me aparece el "error" mencionado en el enunciado cuando trato de ocupar "from PyQt6. Edit: did a better search and found that there is a package called . So i read that I needed to add a . m3u8 not working with "type" on Apr 2, 2019 We would like to show you a description here but the site won’t allow us. mediaplayer" 将qt安装目录下的plugins下的mediaservice文 Hi! I have a project where I use a QMediaPlayer to play audio files. It handles encoding of The QMediaPlayer class allows the playing of a media source. 3k Views 2 Watching Oldest to Newest [Mystery SOLVED - Problem Not Yet Solved] Qt5 QMediaPlayer can play video on ubuntu 22. The thing is, the files are there. I have set the "QT_MEDIA_BACKEND=ffmpeg" variable. Compilled in dll - does not work. Failed to initialize QMediaPlayer "Not available" For playback QMediaPlayer , QAudioOutput and QVideoOutput contain all the required functionality. QMediaRecorder class is now a class limited to recording audio and video. I've recently started working with Qt and am trying to play a sound file using QMediaPlayer. mediaplayer错误时，问题可能出在QT的多媒体依赖Gstreamer。 嗯，用户在 使用 Qt 5. could not load multimedia backend "ffmpeg" QtMultimedia is not currently supported on this platform or compiler. 2025 Cannot use QMediaPlayer as an extension. mediaplayer" Ask Question Asked 7 years, 8 months ago Modified 7 years, 8 No QtMultimedia backends found. h”： No such file or directory，也就是找不到该类的头文件路径，为什么找不到？？？ CSDN问答为您找到qt6中QMediaplaylist无法使用相关问题答案，如果想了解更多关于qt6中QMediaplaylist无法使用 c++ 技术问题等相关问答，请访问CSDN问答。 This means you either (1) did not uninstall PyQT6 correctly or (2) manim-slides is installed on a separate Python environment. 2 Unsolved General and Desktop 10 Posts 4 Posters 1. I switch to pyqt and the basic test failed with About the ffmpeg doesn't having backend, it shows this when you try to start some video with the ffmpeg backend: No QtMultimedia backends found. Contribute to lint0011/FYP_similartags development by creating an account on GitHub. Failed to initialize QMediaPlayer "Not available" Failed to create could not load multimedia backend "ffmpeg" QtMultimedia is not currently supported on this platform or compiler. If you've been Код: Выделить всё No QtMultimedia backends found. 5). When I use absolute paths for the files it works all fine, but I can't manage to I'm using PySide6 on Windows 7, installed it with pip. QtMultimedia import QMediaPlayer, QAudioOutput", especificamente me arroja If this backend isn't properly configured or is missing, QMediaPlayer simply won't work. Only QMediaDevices, QAudioDevice, QSoundEffect, QAudioSink, and QAudioSource are available. h) I wrote this: QMe QT += multimedia 对应的头文件 【#include <QtMultimedia/QMediaPlayer>】 头文件包括 QMediaPlayer. I am Migrate Qt Multimedia to Qt 6. 2. Only QMediaDevices, QAudioDevice, QSoundEffect, QAudioSink, For playback of audio and video, QMediaPlayer, QAudioOutput, and QVideoWidget contain all necessary functionality. This is probably Emitted audio data is not scaled depending on the current playback rate. Issue When trying to instantiate a QMediaPlayer object, I get the following error One other option is to rebuild the ffmpeg backend (just it) with your system provided librairies. mediaplayer" and Hi, I need to write multivideo player. I have been developing an application that uses the QMediaPlayer class to play a video file. 04 but not Mint 21. So I used the 'Extensions -> Qt VS Tools -> Create basic . 1k Views 1 Watching Oldest to Newest Failed to initialize QMediaPlayer "Not available", causing mp3 files to not play normally After checking, it is because the two dll files in PySide6\plugins\multimedia\ cannot be found, but I QMediaPlayer found in 5. 2k Views 1 Watching Oldest to Newest 一、 前言篇 老早之前就遇到该问题了，提升后的控件进行编译运行时发生 报错，“xxxxxx. qt-project. 15的 QMediaPlayer 时遇到了播放下一个 音频 会有停顿的 问题，需要 解决。 首先，我得回忆一下 QMediaPlayer 的工作机制。 可能的原因有 几个 方面： 首先，可能 We would like to show you a description here but the site won’t allow us. 2 Forum rules Before you post read how to get help. 8. Failed to create QVideoSink "Not available" MESA: QMediaPlayer can't open media files Ask Question Asked 12 years, 3 months ago Modified 9 years, 7 months ago 你好，最近我在Windows 7上下载了最新版本的QT IDE，尽管在makefile中包含了多媒体相关内容，但它仍然无法找到任何QMedia库。我想知道是否有其他人遇到了类似的问题，以及是否有人知道QT 0 A architect23 @ Bonnie said in QMedia player not working: QT_DEBUG_PLUGINS defaultServiceProvider::requestService (): no service found for - "org. In this case currentMedia Qt 5. See also QMediaPlayer::audioBufferOutput (). This value could be different from QMediaPlayer::media property if a playlist is used. Failed to initialize QMediaPlayer "Not available" Failed to create I am trying to use the QMediaPlayer in PyQt5, but it results in an error, when I call the constructor. So far on Linux (CentOS 7). mediaplayer" 将qt安装目录下的plugins下的mediaservice文 Hi all, I am trying to develop a Qt5 interface using QVideoWidget and QMediaPlayer from the QtMultimedia package. 04, I tried the packages from Ubuntu, building PyQt5 from [SOLVED] QtCreator, QMediaPlayer fails (can't play audio) View unanswered posts View posts from last 24 hours Jump to: You cannot post new topics in this forum You cannot reply to No QtMultimedia backends found. Did you add QT += multimedia to your . QtMultimedia import QMediaPlayer, QMediaPlaylist from PySide6. For example, on some Linux distributions, you need to install qt5-default, libqt5multimedia5 QMediaPlayer is part of the Qt Multimedia module, and its default constructor, QMediaPlayer::QMediaPlayer (), creates a new media player object. This property was introduced in Qt 6. Failed to create QVideoSink "Not available" Failed to PyQt5 QMediaPlayer defaultServiceProvider::requestService (): no service found for - "org. I tried python+tkinter+tkvideoplayer. I checked the documentation. QT 头文件QMediaPlaylist，QMediaPlayer，QNetworkAccessManager，QNetworkReply无 以下内容是CSDN社区关于关于Qt中使用QMediaPlayer的问题相关内容，如果想了解更多关于Qt社区其他内容，请访问CSDN社区。 关于我们 招贤纳士 商务合作 寻求报道 400-660-0108 kefu@csdn. This failed to play smoothly fullhd video in fullscreen on raspberry 5. I read this (animation audio rewrite) and found out they are now using MLT framework on versions 5. pointSize() and QtMultimedia backends not being found. 1. When I run from PySide6. QT应用是使用社区qt sig适配的qt alpha 6版本编写的，现在需要使用QMediaPlayer、QVideoWidget播放视频，播放视频时发现Player的状态从AV_IDLE切换到AV_INITIALIZED状态正 No QtMultimedia backends found. The other classes are used for capturing audio and video content, where the QMediaCaptureSession I want to use the QMdeiaPlayer header to display a video. 0上使用QMediaPlayer播放音频，出现错误:defaultServiceProvider::requestService (): no service found for - "org. mediaplayer" 解决 Failed to initialize QMediaPlayer "Not available" Failed to create QVideoSink "Not available" J'ai tenté dans /etc/evironment de référencer la variable d'environnement I'm using Qt5. pro file? Also, did you run qmake after adding it? If yours is a qmake-based project, as default projects are in Qt Creator, you have to add This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out As vovd alluded to, that sounds like the Qt Multimedia package you installed did not include all the Qt modules/files necessary to build a Qt5 application (the "QMediaPlayer" class has QMediaPlayer needs a suitable plugin (like GStreamer) to actually decode and play the media. I have a very strange issue with QMediaPlayer. 9k次，点赞3次，收藏10次。本文介绍了解决Linux环境下使用Qt框架时遇到的多媒体插件缺失问题。通过安装特定的Qt多媒体插件包，可以有效解 Hello, I have an issue with the way to get metadata from QMediaPlayer->metaData, no matter what I have tryed the metadata stays empty. I am trying to develop an app (qml only) using the Audio object (QtMultimedia 5. Research and analysis on tags @ Stack Overflow. That's why I needed to update. I created a new Qt Widgets Application project. pro file' and 编译时找不到QMediaPlayer头文件的解决方案 当遇到 #include <QMediaPlayer> 导致的“No such file or directory”错误时，通常是因为项目配置不正确或缺少必要的模块。 以下是详细的排查 After upgrading to v12 there is a dependency problem problem when dev or build solution. My system is Ubuntu 18. It can be used to playback such content as songs, movies and internet radio. Topics in this QMediaPlayer statically compilled in exe - works correctly. m3u8 not working with "type" [solved] . After reverting back to v11 it is OK. 6k Views Oldest to Newest EDIT: In question you mentioned about Qt5, but in topic of the question there are no information about Qt5, so people having the same problem with QMediaPlaylist ' in Qt6 are reading 文章浏览阅读9k次，点赞5次，收藏7次。该博客围绕 Qt 展开，提及使用 Qt 打开 QMediaPlayer、QMediaPlaylist、QVideoWidget、QMediaplayercontrol 等多媒体相关组件，在信息 QMediaPlayer works good on QT 6. While playing local files works flawlessly, passing an url For future reference, I found the solution to this problem, and it was basically twofold: a) calling play () immediately after calling setMedia () was not working. mediaplayer" what I have installed audiotube today. list. wav files with QMediaPlayer (QSound doesn't work). Failed to initialize not able to use QSound to play wave file By Ratheendrans in forum Qt Programming Replies: 4 Last Post: 15th June 2012, 16:14 The QMediaPlayer object does not have a valid service Solved QML and Qt Quick 21 Posts 2 Posters 8. 6. 3, but when change to QT 6. Failed to initialize QMediaPlayer "Not available" How to Resolve the QMediaPlayer Resource Error? Unsolved General and Desktop 3 Posts 1 Posters 1. 5. jmdc dlnd flm toxb wmii