PySide6.QtMultimedia.QAudioBufferOutput

class QAudioBufferOutput

The QAudioBufferOutput class is used for capturing audio data provided by QMediaPlayer .

Details

QAudioBufferOutput can be set to QMediaPlayer in order to receive audio buffers decoded by the media player. The received audio data can be used for any processing or visualization. An audio level meter implementation can be seen in the widget based Media Player Example .

QAudioBufferOutput is only supported with the FFmpeg backend.

See also

QMediaPlayer setAudioBufferOutput QAudioBuffer

Added in version 6.8.

Synopsis

Methods

• def __init__()

• def format()

Signals

• def audioBufferReceived()

Note

This documentation may contain snippets that were automatically translated from C++ to Python. We always welcome contributions to the snippet translation. If you see an issue with the translation, you can also let us know by creating a ticket on https:/bugreports.qt.io/projects/PYSIDE

__init__([parent=None])

Parameters:

parent – QObject

Constructs a new QAudioBufferOutput object with parent.

The audio format of output audio buffers will depend on the source media file and the inner audio decoder in QMediaPlayer .

__init__(format[, parent=None])

Parameters:

• format – QAudioFormat

• parent – QObject

Constructs a new QAudioBufferOutput object with audio format and parent.

If the specified format is valid, it will be the format of output audio buffers. Otherwise, the format of output audio buffers will depend on the source media file and the inner audio decoder in QMediaPlayer .

audioBufferReceived(buffer)

Parameters:

buffer – QAudioBuffer

Signals that a new audio buffer has been received from QMediaPlayer .

format()

Return type:

QAudioFormat

Gets the audio format specified in the constructor.

If the format is valid, it specifies the format of output oudio buffers.