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va: Sort udev path name before register the va plugins

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The devices list returned by g_udev_client_query_by_subsystem() may
contain udev devices in disorder path name. For example, on some
platform it may contain renderD129 before renderD128 device. This
will cause we register wrong va plugin name. In this case, the
renderD129 will be registered as default plugins such as vah265dec,
while the renderD128 will be registered as varenderD128h265dec.
This conflicts with the non-udev version of gst_va_device_find_devices().

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4643>
This commit is contained in:
He Junyan 2023-05-16 14:38:44 +08:00 committed by GStreamer Marge Bot
parent 131d59518e
commit 8e52e42444
1 changed files with 17 additions and 0 deletions
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17
subprojects/gst-plugins-bad/sys/va/gstvadevice_linux.c
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@ -67,6 +67,16 @@ compare_device_path (gconstpointer a, gconstpointer b, gpointer user_data)
}
#ifdef HAVE_GUDEV
static gint
compare_udev_path (gconstpointer a, gconstpointer b)
{
GUdevDevice *pa = (GUdevDevice *) a;
GUdevDevice *pb = (GUdevDevice *) b;
return g_strcmp0 (g_udev_device_get_device_file (pa),
g_udev_device_get_device_file (pb));
}
GList *
gst_va_device_find_devices (void)
{
@ -78,6 +88,13 @@ gst_va_device_find_devices (void)
client = g_udev_client_new (NULL);
udev_devices = g_udev_client_query_by_subsystem (client, "drm");
if (!udev_devices) {
g_object_unref (client);
return NULL;
}
udev_devices = g_list_sort (udev_devices, compare_udev_path);
for (dev = udev_devices; dev; dev = g_list_next (dev)) {
GstVaDisplay *dpy;
GUdevDevice *udev = (GUdevDevice *) dev->data;