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screen-cast: Increase size of maximum mouse pointer bitmap

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Currently, the maximum size for a mouse pointer bitmap for screen
casting is 64x64 pixels.
However, this limit is hit way too often as it is way too low and
results in crashes in either gnome-remote-desktop or mutter.
For example: The a11y settings in g-c-c allow setting a larger pointer
bitmap in order to increase the visibility of the mouse pointer.
With the current limit of 64x64 pixels it is not possible to use the
larger variants of the default mouse pointer bitmap, without
experiencing any crash.
Another way to hit the limit is when display scaling is used or some
game uses a custom (large) mouse pointer bitmap.

The VNC backend in gnome-remote-desktop does not seem to have a maximum
pointer bitmap size.
The RDP backend on the other hand has a maximum pointer bitmap size at
384x384.

Use this size (384x384) as maximum size instead of the current 64x64
size for mouse pointer bitmaps to avoid crashes in mutter and
gnome-remote-desktop and to ensure that bigger mouse pointer bitmaps
can be used.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1414
This commit is contained in:
Pascal Nowack 2020-08-23 08:12:08 +02:00
parent 7da1c95214
commit 5037b88a2d
1 changed files with 1 additions and 1 deletions
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2
src/backends/meta-screen-cast-stream-src.c
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@ -708,7 +708,7 @@ on_stream_param_changed (void *data,
&pod_builder,
SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
SPA_PARAM_META_type, SPA_POD_Id (SPA_META_Cursor),
SPA_PARAM_META_size, SPA_POD_Int (CURSOR_META_SIZE (64, 64)));
SPA_PARAM_META_size, SPA_POD_Int (CURSOR_META_SIZE (384, 384)));
pw_stream_update_params (priv->pipewire_stream, params, G_N_ELEMENTS (params));
}