mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
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For remote (or non-gl) clients, if a valid gl_draw stream exists, then we first extract the dmabuf fd associated with the scanout and share it with the encoder along with other key parameters such as stride, width and height. Once the encoder finishes creating an encoded buffer (using the dmabuf fd as input), we then send it over to the client. And, as soon as the encoder notifies that it is no longer using the dmabuf fd, we send a gl_draw_done async to the application. v2: (suggestions and fixups from Frediano) - Moved the DisplayStreamData initialization code from red_marshall_stream_data() into a separate function that is reused when marshalling gl_draw_stream. - Used new/delete instead of g_new/g_free for creating and destroying dmabuf_data object - s/notify_mem_free/free s/red_gst_mem_free_cb/red_free_fb - Removed the usage of opaque from red_free_cb v3: - Obtain the key params such as fd, stride, etc from the stream instead of the scanout - Replace the switch with if in red_marshall_gl_draw_stream() to avoid printing a warning (and spamming the console) when a frame is dropped Cc: Frediano Ziglio <freddy77@gmail.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Marc-André Lureau <marcandre.lureau@redhat.com> Cc: Dongwon Kim <dongwon.kim@intel.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> |
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SPICE: Simple Protocol for Independent Computing Environments
=============================================================
SPICE is a remote display system built for virtual environments which
allows you to view a computing 'desktop' environment not only on the
machine where it is running, but from anywhere on the Internet and
from a wide variety of machine architectures.
Installation
------------
The SPICE package uses GNU autotools, so the build install process
follows the standard process documented in the INSTALL file. As a
quick start you can do
./configure --prefix=/usr --sysconfdir=/etc \
--localstatedir=/var --libdir=/usr/lib
make
sudo make install
Or to install into a private user specific location
./configure --prefix=$HOME/spice
make
make install
The following mandatory dependencies are required in order to
build SPICE
Spice protocol >= 0.14.0
Pixman >= 0.17.7
OpenSSL
libjpeg
zlib
The following optional dependencies increase the available
functionality
Cyrus-SASL
libcacard >= 2.5.1 (Smartcard support)
Opus >= 1.0.0 (Opus audio encoding support)
LZ4 (LZ4 compression support)
GStreamer >= 1.0.0
Communication
-------------
To communicate with the development team, or to post patches
there is a technical mailing list:
http://lists.freedesktop.org/mailman/listinfo/spice-devel
There is also a mailing list for new release announcements:
http://lists.freedesktop.org/archives/spice-announce/
To view known bugs, or report new bugs, in SPICE visit
https://gitlab.freedesktop.org/spice/spice/issues/new?
Bugs found when using an OS distribution's binary packages should
be reported to the OS vendors' own bug tracker first.
The latest SPICE code can be found in GIT at:
https://gitlab.freedesktop.org/spice/
Licensing
---------
SPICE is provided under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Please see the COPYING file for the complete LGPLv2+ license
terms, or visit <http://www.gnu.org/licenses/>.
Experimental Features
---------------------
To enable multiple client connections, set:
SPICE_DEBUG_ALLOW_MC=1
-- End of readme