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Code Issues 1 Projects Releases Wiki Activity

wayland: fix thread-safe issues.

Browse source 
The Wayland API is not fully thread-safe and client applications shall
perform locking themselves on key functions. Besides, make sure to
release the lock if the _render() function fails.
This commit is contained in:
Gwenole Beauchesne 2013-01-28 17:28:58 +01:00
parent 1fb25b0853
commit 96d12f9eb1
1 changed files with 9 additions and 2 deletions
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11
gst-libs/gst/vaapi/gstvaapiwindow_wayland.c
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@ -157,12 +157,16 @@ gst_vaapi_window_wayland_create(
g_return_val_if_fail(priv_display->compositor != NULL, FALSE);
g_return_val_if_fail(priv_display->shell != NULL, FALSE);
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
priv->surface = wl_compositor_create_surface(priv_display->compositor);
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
if (!priv->surface)
return FALSE;
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
priv->shell_surface =
wl_shell_get_shell_surface(priv_display->shell, priv->surface);
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
if (!priv->shell_surface)
return FALSE;
@ -217,7 +221,9 @@ gst_vaapi_window_wayland_resize(
if (priv->opaque_region)
wl_region_destroy(priv->opaque_region);
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
priv->opaque_region = wl_compositor_create_region(priv_display->compositor);
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
wl_region_add(priv->opaque_region, 0, 0, width, height);
return TRUE;
@ -280,9 +286,8 @@ gst_vaapi_window_wayland_render(
if (!gst_vaapi_window_wayland_sync(window))
return FALSE;
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
/* XXX: use VA/VPP for other filters */
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
va_flags = from_GstVaapiSurfaceRenderFlags(flags);
status = vaGetSurfaceBufferWl(
GST_VAAPI_DISPLAY_VADISPLAY(display),
@ -299,10 +304,12 @@ gst_vaapi_window_wayland_render(
&buffer
);
}
GST_VAAPI_OBJECT_UNLOCK_DISPLAY(window);
if (!vaapi_check_status(status, "vaGetSurfaceBufferWl()"))
return FALSE;
/* XXX: attach to the specified target rectangle */
GST_VAAPI_OBJECT_LOCK_DISPLAY(window);
wl_surface_attach(priv->surface, buffer, 0, 0);
wl_surface_damage(priv->surface, 0, 0, width, height);