RFR: 8253351: MediaPlayer does not display an mp4 if there no speakers connected to the PC's

[Kevin Rushforth]

On Sat, 24 Jul 2021 02:59:52 GMT, Alexander Matveev <almatvee at openjdk.org> wrote:

> Fixed by not failing initialization if DSERR_NODRIVER is returned, which will be return if device is not present at all. Fixed format initialization even if DirectSound device was not created in case if audio device will arrive after playback started. Since we already handle correctly device arrival after playback started, audio will resume if device is enabled or USB audio card is plugged back. Due to lack of access to USB audio device, it was tested by disabling sound card via Device Manager, then starting playback (video plays, but not audio) and then enabling device and once enabled audio will start playing.

@sashamatveev Can you merge in the latest upstream master into your branch? That should fix the test failures as well as being easier to test.

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PR: https://git.openjdk.java.net/jfx/pull/586