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This patch implments the split of QPlatformMediaDevice to audio and
video devices for the Windows platform.
Change-Id: I5976b96ce0b789637cfe6fffc5f52c875b6bc73b
Reviewed-by: André de la Rocha <andre.rocha@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Audio buffer sizes were being calculated in a way that could result
in buffer sizes that were not a multiple of the audio frame size.
For instance, a buffer with an odd number of bytes could be used for
holding 16-bit audio data, which would result in the audio data
contained on half of buffers received by applications being shifted
by half a sample, causing applications to misinterpret that audio data.
Pick-to: 6.3 6.2
Fixes: QTBUG-102843
Change-Id: I252384cb99fffca5e068b0b14e4be9b0469962ec
Reviewed-by: Piotr Srebrny <piotr.srebrny@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Those integrations are selected at compile time and not dependent
on native vs ffmpeg backend. Because of that we can move them
back into Qt Multimedia directly.
This will simplify and improve a couple of things:
* We don't need to build the audio code twice (once per plugins)
* Low level audio is always available even if you choose not to
ship a large backend for audio/video decoding and recording
* We can use Qt Multimedia as a backend for other modules requiring
audio only without bloating things there (e.g. for Qt Speech)
* We can directly integrate support for 3D audio and headphone
spatialization into Qt Multimedia without requiring an additional
module for that.
To do so, we need to remove the camera handling from
QPlatformMediaDevices. This is only partially done in this
commit (by adding a QPlatformVideoDevices class), and will
be further cleaned up in followup commits.
Change-Id: Ib4a33d7255faaf26dd825527786eae10ed283490
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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