1*4882a593SmuzhiyunFrom 191ac8f6fca18c1fc4b263cf48431f1269b05a67 Mon Sep 17 00:00:00 2001
2*4882a593SmuzhiyunFrom: Jeffy Chen <jeffy.chen@rock-chips.com>
3*4882a593SmuzhiyunDate: Wed, 11 May 2022 15:21:44 +0800
4*4882a593SmuzhiyunSubject: [PATCH 06/12] v4l2src: Support setting default device
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunUse env "GST_V4L2SRC_DEFAULT_DEVICE" to specify default device.
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunSigned-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
9*4882a593Smuzhiyun---
10*4882a593Smuzhiyun sys/v4l2/gstv4l2src.c | 6 +++++-
11*4882a593Smuzhiyun 1 file changed, 5 insertions(+), 1 deletion(-)
12*4882a593Smuzhiyun
13*4882a593Smuzhiyundiff --git a/sys/v4l2/gstv4l2src.c b/sys/v4l2/gstv4l2src.c
14*4882a593Smuzhiyunindex 4cc4cdf..db33d64 100644
15*4882a593Smuzhiyun--- a/sys/v4l2/gstv4l2src.c
16*4882a593Smuzhiyun+++ b/sys/v4l2/gstv4l2src.c
17*4882a593Smuzhiyun@@ -66,7 +66,7 @@
18*4882a593Smuzhiyun GST_DEBUG_CATEGORY (v4l2src_debug);
19*4882a593Smuzhiyun #define GST_CAT_DEFAULT v4l2src_debug
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun-#define DEFAULT_PROP_DEVICE   "/dev/video0"
22*4882a593Smuzhiyun+static const gchar *DEFAULT_PROP_DEVICE = NULL;
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun enum
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun@@ -148,6 +148,10 @@ gst_v4l2src_class_init (GstV4l2SrcClass * klass)
27*4882a593Smuzhiyun   GstBaseSrcClass *basesrc_class;
28*4882a593Smuzhiyun   GstPushSrcClass *pushsrc_class;
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun+  DEFAULT_PROP_DEVICE = g_getenv ("GST_V4L2SRC_DEFAULT_DEVICE");
31*4882a593Smuzhiyun+  if (!DEFAULT_PROP_DEVICE)
32*4882a593Smuzhiyun+    DEFAULT_PROP_DEVICE = "/dev/video0";
33*4882a593Smuzhiyun+
34*4882a593Smuzhiyun   gobject_class = G_OBJECT_CLASS (klass);
35*4882a593Smuzhiyun   element_class = GST_ELEMENT_CLASS (klass);
36*4882a593Smuzhiyun   basesrc_class = GST_BASE_SRC_CLASS (klass);
37*4882a593Smuzhiyun--
38*4882a593Smuzhiyun2.20.1
39*4882a593Smuzhiyun
40