From 55a8e772698a36c176ad7c5b02559594be19458d 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 17:06:25 +0800
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Subject: [PATCH 07/11] v4l2src: Filter out unavailable RK sources
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Use env "GST_V4L2SRC_RK_DEVICES" to specify available RK sources.
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Default is "_mainpath:_selfpath:_bypass:_scale".
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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sys/v4l2/gstv4l2deviceprovider.c | 38 ++++++++++++++++++++++++++++++++
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1 file changed, 38 insertions(+)
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diff --git a/sys/v4l2/gstv4l2deviceprovider.c b/sys/v4l2/gstv4l2deviceprovider.c
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index 7c2c87fea..291495506 100644
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--- a/sys/v4l2/gstv4l2deviceprovider.c
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+++ b/sys/v4l2/gstv4l2deviceprovider.c
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@@ -146,6 +146,44 @@ gst_v4l2_device_provider_probe_device (GstV4l2DeviceProvider * provider,
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type = GST_V4L2_DEVICE_TYPE_SOURCE;
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v4l2obj->skip_try_fmt_probes = TRUE;
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+
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+ if (!strncmp ((char *) v4l2obj->vcap.driver, "rk", strlen("rk"))) {
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+ /* Filter out unavailable RK source devices */
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+ const gchar *devices, *ptr;
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+ gchar pattern[64];
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+ gboolean found = FALSE;
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+
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+ devices = g_getenv ("GST_V4L2SRC_RK_DEVICES");
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+ if (!devices)
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+ devices = g_getenv ("GST_V4L2SRC_DEVICES");
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+ if (!devices)
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+ devices = "_mainpath:_selfpath:_bypass:_scale";
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+
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+ while (devices && devices[0]) {
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+ while (devices[0] == ':')
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+ devices ++;
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+
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+ if (!sscanf (devices, "%32[^:]", pattern))
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+ break;
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+
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+ devices += strlen (pattern);
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+
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+ if (!(ptr = strstr (device_name, pattern)))
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+ continue;
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+
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+ /* Name ends with pattern[0-9] */
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+ ptr += strlen (pattern);
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+ if (ptr[0] == '\0' || (ptr[0] >= '0' && ptr[0] <= '9')) {
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+ found = TRUE;
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+ break;
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+ }
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+ }
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+
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+ if (!found) {
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+ GST_WARNING ("%s(%s) been ignored", device_path, device_name);
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+ goto destroy;
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+ }
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+ }
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}
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if (v4l2obj->device_caps &
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--
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2.20.1
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