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It doesn't make much sense to have static function declarations in a
header, even a private header. So move them down into the source file.
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As suggested by Christophe on the mailing list.
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The multimedia time is defined by the server side monotonic time [1],
but the drawing time-stamp is done in guest side, so it requires
synchronization between host and guest. This is expensive, when no audio
is playing, there is a ~30x/sec wakeup to update the qxl device mmtime,
and it requires marking dirty the rom region.
Instead, the video timestamping can be done more efficiently on server
side, without visible drawbacks.
[1] a better timestamp could be the audio time, since audio players are
usually sync with audio time)
Related to:
https://bugzilla.redhat.com/show_bug.cgi?id=912763
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'receive' was mispelt 'recive' in multiple places.
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When there is no audio playback, we set the mm_time in the client to be older
than the one in the server by at least the requested latency (the delta is
actually bigger, due to the network latency).
When there is an audio playback, we adjust the mm_time in the client by
adjusting the playback buffer using SPICE_MSG_PLAYBACK_LATENCY.
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This reverts commit 63bb37276e028ab1b1c156c9e7907bf22b6d5952.
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New API: spice_server_set_ws_ports
This adds an optional dependency on libwebsockets. You need to get my
patched 0.0.3 version here:
git://people.freedesktop.org/~alon/libwebsockets
There is no qemu patches yet, to test change in reds.c the default value
of spice_ws_port to 5959 (for the default of spice-html5).
For testing there is an online client at
http://spice-space.org/spice-html5/spice.html
Known issues:
1. The tester (server/tests/test_display_no_ssl) gets into dropping all
data after a few seconds, I think it's an issue with the implemented
watches, but haven't figured it out.
2. libwebsocket's read interface is inverted to what our code expects,
i.e. there is no libwebsocket_read, so there is an additional copy
involved (see RedsWebSocket). This can be fixed.
3. Listening on a separate port. Since the headers are different, we
could listen on the same port (first three bytes RED/GET). I don't know
if we want to?
Todos:
1. SSL not implemented yet. Needs some thought as to how.
2. Serve spice-html5 when accessed as a http server. Nice to have.
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