40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
From 6edcca45240b58384a291a87754d51cca063c5f1 Mon Sep 17 00:00:00 2001
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From: Jeffy Chen <jeffy.chen@rock-chips.com>
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Date: Wed, 11 May 2022 15:21:44 +0800
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Subject: [PATCH 6/9] v4l2src: Support setting default device
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Use env "GST_V4L2SRC_DEFAULT_DEVICE" to specify default device.
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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sys/v4l2/gstv4l2src.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/sys/v4l2/gstv4l2src.c b/sys/v4l2/gstv4l2src.c
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index 1b2c1a6..f4408f7 100644
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--- a/sys/v4l2/gstv4l2src.c
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+++ b/sys/v4l2/gstv4l2src.c
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@@ -66,7 +66,7 @@
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GST_DEBUG_CATEGORY (v4l2src_debug);
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#define GST_CAT_DEFAULT v4l2src_debug
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-#define DEFAULT_PROP_DEVICE "/dev/video0"
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+static const gchar *DEFAULT_PROP_DEVICE = NULL;
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enum
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{
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@@ -143,6 +143,10 @@ gst_v4l2src_class_init (GstV4l2SrcClass * klass)
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GstBaseSrcClass *basesrc_class;
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GstPushSrcClass *pushsrc_class;
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+ DEFAULT_PROP_DEVICE = g_getenv ("GST_V4L2SRC_DEFAULT_DEVICE");
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+ if (!DEFAULT_PROP_DEVICE)
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+ DEFAULT_PROP_DEVICE = "/dev/video0";
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+
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gobject_class = G_OBJECT_CLASS (klass);
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element_class = GST_ELEMENT_CLASS (klass);
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basesrc_class = GST_BASE_SRC_CLASS (klass);
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--
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2.20.1
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