On 12/5/19 03:16, Samuel Sieb wrote:
On 12/4/19 12:53 PM, pmkellly@xxxxxxxxxxxx wrote:
Is pipewire part of Wayland?
No. It's just necessary for screen casting with Wayland because you
don't have direct access to the screen buffer now. It provides the
"pipe" between the screen renderer and the application wanting to cast
the screen.
From what I've seen so far, it seems like pipewire will replace
gstreamer, ffmpeg, pulse audio, and jack. Though all of the changes
are apparently being implemented over a longish period of time. Is all
of the audio and video stream software being replaced by pipewire?
No, it's just the interface. It won't replace gstreamer or ffmpeg. It
will replace the raw v4l interface, pulseaudio, and jack. It's intended
to do for video what pulseaudio and jack currently do for audio, and
handle the audio as well.
Is there a block diagram or something else somewhere so I can see how
these fit into an audio or video stream for now and with pipewire later?
Look at where pulseaudio and jack fit in the audio stream currently and
imagine that pipewire will replace them and also fit in the same place
in the video stream. It will transport raw video streams, but not
handle video encoding. In the same way that pulseaudio doesn't do
vorbis decoding or encoding. That's my understanding, which could
possibly be wrong.
Thanks that's a big help. I appreciate it.
Have a Great Day!
Pat (tablepc)
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