Xavier Claessens
19832bd3b3
GstShmAllocator: Add documentation
...
Sponsored-by: Netflix Inc.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5328 >
2023-11-03 18:22:00 +00:00
Xavier Claessens
5b4d37d6f2
GstShmAllocator: Respect allocation params
...
Sponsored-by: Netflix Inc.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5328 >
2023-11-03 18:22:00 +00:00
Xavier Claessens
f57dabe65c
GstShmAllocator: Seal memfd for future write
...
The GstMemory we created is kept mapped RW, but any future mapping that
uses the fd should be RO.
Sponsored-by: Netflix Inc.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5328 >
2023-11-03 18:22:00 +00:00
Xavier Claessens
c0ce677dfc
GstShmAllocator: Use shm_open() instead of temporary file
...
There is no guarantee that g_get_user_runtime_dir() is in a tmpfs. Using
an explicit shared memory API seems safer for all POSIX platforms.
Note that Android does not have shm_open() and only added memfd_create()
since API level 30 (Android 11).
Sponsored-by: Netflix Inc.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5328 >
2023-11-03 18:22:00 +00:00
Xavier Claessens
d59ea1caf0
GstShmAllocator: Use GST_ALLOCATOR_FLAG_NO_COPY flag
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Sponsored-by: Netflix Inc.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5328 >
2023-11-03 18:22:00 +00:00
Xavier Claessens
7df22b338b
GstShmAllocator: New shared memory allocator
...
This makes Wayland's allocator public. It is generally useful to have a
shared memory allocator that can create memfd on Linux.
Sponsored-by: Netflix Inc.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5328 >
2023-11-03 18:22:00 +00:00
