QA:Testcase PipeWire Pavucontrol Mixing

Pavucontrol Mixing

This test case tests that various audio outputs can be mixed and sent to different devices using Pavucontrol.

Setup

1. This test case can be performed on bare machines.
2. The computer must be equipped with at least two sound devices.
3. Install a desktop version of Fedora 34 (or later).
4. Log in as a common user.
5. Install the pavucontrol package.
6. Connect your speakers (headphones) to all your computer’s sound devices.

How to test

1. Start Pavucontrol.
2. Go to the Output Devices tab and check that your audio devices are listed there.
3. Start two (or more) different application that play audio. Alternatively, you can open two or more Youtube videos in Firefox.
4. Go to the Playback tab and check that both playing applications are listed there.
5. Adjust the output volume for each playing application using the volume slider.
6. Use the Mute audio button to mute the selected application output. Unmute it. Try this with all application outputs.
7. Click on Lock channels together button and unlock the left and right audio channel. Check that the volume can be adjusted for each channel separately. Try this with all application outputs.
8. Click on the list of devices and select a different device to output the application sound.

Expected results

1. Pavucontrol starts.
2. All devices are listed on the Output Devices tab. The default sound device has the Set as fallback icon checked.
3. Both (all) applications are playing sound on the default sound device.
4. Both (all) applications are listed on the Playback tab.
5. The volume can be adjusted for each playing application source independently.
6. The selected application output can be muted, while the other outputs keep playing.
7. The volume of both the left and right channel can be adjusted independently for all playing application outputs.
8. When selecting different output devices, the application output must immediately start playing on this selected device.