Add QAudioBuffer.data()/constData()

Fixes: PYSIDE-1947
Change-Id: I9e1799f245b8d75f61ad9551cb847994ea59bdb9
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>
(cherry picked from commit 41de0c478794a7cd67a9e118d6be600ecc15e5e8)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 27 insertions, 13 deletions

diff --git a/sources/pyside6/tests/QtMultimedia/audio_test.py b/sources/pyside6/tests/QtMultimedia/audio_test.py
index a02eeeaa3..263ab0fc8 100644
--- a/sources/pyside6/tests/QtMultimedia/audio_test.py
+++ b/sources/pyside6/tests/QtMultimedia/audio_test.py
@@ -38,25 +38,26 @@ from init_paths import init_test_paths
 init_test_paths(False)
 
 from helper.usesqguiapplication import UsesQGuiApplication
-from PySide6.QtMultimedia import QAudioDevice, QAudioFormat, QMediaDevices
+from PySide6.QtCore import QByteArray
+from PySide6.QtMultimedia import QAudioBuffer, QAudioFormat, QMediaDevices
 
 
 class testAudioDevices(UsesQGuiApplication):
 
-    def testListDevices(self):
-        valid = False
-        devices = QMediaDevices.audioOutputs()
-        if not len(devices):
+    def setUp(self):
+        super().setUp()
+        self._devices = []
+        for d in QMediaDevices.audioOutputs():
+            if d:
+                self._devices.append(d)
+
+    def test_list_devices(self):
+        if not self._devices:
+            print("No audio outputs found")
             return
 
-        valid = True
-        for dev_info in devices:
-            if dev_info.id() == 'null':
-                # skip the test if the only device found is a invalid device
-                if len(devices) == 1:
-                    return
-                else:
-                    continue
+        for dev_info in self._devices:
+            print("Testing ", dev_info.id())
             fmt = QAudioFormat()
             for sample_format in dev_info.supportedSampleFormats():
                 fmt.setSampleFormat(sample_format)
@@ -64,6 +65,19 @@ class testAudioDevices(UsesQGuiApplication):
                 fmt.setSampleRate(dev_info.maximumSampleRate())
                 self.assertTrue(dev_info.isFormatSupported(fmt))
 
+    def test_audiobuffer(self):
+        """PYSIDE-1947: Test QAudioBuffer.data()."""
+        if not self._devices:
+            print("No audio outputs found")
+            return
+        size = 256
+        byte_array = QByteArray(size, '7')
+        buffer = QAudioBuffer(byte_array, self._devices[0].preferredFormat())
+        self.assertEqual(buffer.byteCount(), 256)
+        data = buffer.data()
+        actual_byte_array = QByteArray(bytearray(data))
+        self.assertEqual(byte_array, actual_byte_array)
+
 
 if __name__ == '__main__':
     unittest.main()