1 files changed, 80 insertions, 0 deletions
diff --git a/examples/graphs/2d/graphsaudio/main.py b/examples/graphs/2d/graphsaudio/main.py
new file mode 100644
index 000000000..239aee036
--- /dev/null
+++ b/examples/graphs/2d/graphsaudio/main.py
@@ -0,0 +1,80 @@
+# Copyright (C) 2025 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+from PySide6.QtCore import QObject, QPointF, Slot, Signal
+from PySide6.QtMultimedia import QAudioFormat, QAudioSource, QMediaDevices
+from PySide6.QtWidgets import QMessageBox
+from PySide6.QtQml import QQmlApplicationEngine
+from PySide6.QtGui import QGuiApplication
+
+
+SAMPLE_COUNT = 2000
+RESOLUTION = 4
+
+
+class Audio(QObject):
+    dataUpdated = Signal(list)
+
+    def __init__(self, device):
+        super().__init__()
+
+        format_audio = QAudioFormat()
+        format_audio.setSampleRate(8000)
+        format_audio.setChannelCount(1)
+        format_audio.setSampleFormat(QAudioFormat.UInt8)
+
+        self.device_name = device.description()
+
+        self._audio_input = QAudioSource(device, format_audio, self)
+        self._io_device = self._audio_input.start()
+        self._io_device.readyRead.connect(self._readyRead)
+
+        self._buffer = [QPointF(x, 0) for x in range(SAMPLE_COUNT)]
+
+    def closeEvent(self, event):
+        if self._audio_input is not None:
+            self._audio_input.stop()
+        event.accept()
+
+    @Slot()
+    def _readyRead(self):
+        data = self._io_device.readAll()
+        available_samples = data.size() // RESOLUTION
+        start = 0
+        if (available_samples < SAMPLE_COUNT):
+            start = SAMPLE_COUNT - available_samples
+            for s in range(start):
+                self._buffer[s].setY(self._buffer[s + available_samples].y())
+
+        data_index = 0
+        for s in range(start, SAMPLE_COUNT):
+            value = (ord(data[data_index]) - 128) / 128
+            self._buffer[s].setY(value)
+            data_index = data_index + RESOLUTION
+
+        self.dataUpdated.emit(self._buffer)
+
+
+if __name__ == '__main__':
+    app = QGuiApplication(sys.argv)
+    engine = QQmlApplicationEngine()
+
+    input_devices = QMediaDevices.audioInputs()
+    if not input_devices:
+        QMessageBox.warning(None, "audio", "There is no audio input device available.")
+        sys.exit(-1)
+
+    audio_bridge = Audio(input_devices[0])
+    engine.rootContext().setContextProperty("audio_bridge", audio_bridge)
+
+    device = input_devices[0]
+    device_name = device.description()
+    engine.rootContext().setContextProperty("device_name", device_name)
+
+    engine.addImportPath(Path(__file__).parent)
+    engine.loadFromModule("GraphsAudio", "Main")
+
+    sys.exit(app.exec())