Qt Multimedia offers a range of audio classes that cover both low and high level approaches to: audio input, output and processing. For playing media or audio files that are not simple, uncompressed audio, you can use the QMediaPlayer C++ class, or the MediaPlayer QML type.

QAudioSource lets you record audio with an audio input device. The default constructor of this class will use the systems default audio device, but you can also specify a QAudioDevice for a specific device. You also need to pass in the QAudioFormat in which you wish to record.

Qt provides the most commonly required audio operation in GUI applications: asynchronously playing a sound file. This is most easily accomplished using the static play () function: QSound :: play( "mysounds/bells.wav" );

Dec 19, 2010 · How can I play sound with Qt? I tried this: QSound::play("sounds/croack.wav"); QSound doesn't work on my ubuntu (seems that it requires NAS, although after I installed it it still doesn't work). Is

Jul 7, 2021 · QMediaPlayer in Qt 6 requires you to actively connect it to both an audio and video output using the setAudioOutput() and setVideoOutput() methods. Not setting an audio output will imply that the media player doesn’t play audio.

Qt Multimedia offers a range of audio classes, covering both low and high level approaches to audio input, output and processing. In addition to traditional audio usage, the Qt Audio Engine QML types offer high level 3D positional audio for QML applications.

Apr 6, 2012 · QAudioOutput needs an event loop to play anything, and that loop has to be running in the thread it belongs to. Which is the thread it was created in when you don't explicitly move it to another thread: // Create the device and start playing... loop.exec(); .

Jul 11, 2011 · Hello, I am experienced with programming C/C++ sound synthesis and effects using PortAudio, RT Audio, and JUCE libraries. The Qt audio input and output code...

Aug 14, 2023 · Audio inputs and output QMediaPlayer and QMediaCaptureSession (and the corresponding QML types MediaPlayer and CaptureSession) are not connected to any audio devices by default. Explicitly connect them to a QAudioInput/AudioInput or QAudioOutput /AudioOutput to capture or play back audio.

The QAudioOutput class provides an interface for sending audio data to an audio output device. More... You can construct an audio output with the system's default audio output device. It is also possible to create QAudioOutput with a specific QAudioDeviceInfo.