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wasapi2deviceprovider: Log device update details

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... and add wasapi2deviceprovider debug category

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9468>
This commit is contained in:
Seungha Yang 2025-08-01 00:00:06 +09:00 committed by GStreamer Marge Bot
parent 7d6d49a888
commit 7651662fc9
1 changed files with 98 additions and 2 deletions
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100
subprojects/gst-plugins-bad/sys/wasapi2/gstwasapi2device.cpp
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@ -26,8 +26,21 @@
#include "gstwasapi2util.h"
#include "gstwasapi2enumerator.h"
GST_DEBUG_CATEGORY_EXTERN (gst_wasapi2_debug);
#define GST_CAT_DEFAULT gst_wasapi2_debug
#ifndef GST_DISABLE_GST_DEBUG
#define GST_CAT_DEFAULT ensure_debug_category()
static GstDebugCategory *
ensure_debug_category (void)
{
static GstDebugCategory *cat = nullptr;
GST_WASAPI2_CALL_ONCE_BEGIN {
cat = _gst_debug_category_new ("wasapi2deviceprovider",
0, "wasapi2deviceprovider");
} GST_WASAPI2_CALL_ONCE_END;
return cat;
}
#endif
enum
{
@ -356,6 +369,63 @@ gst_wasapi2_device_is_in_list (GList * list, GstDevice * device)
return found;
}
static gboolean
dump_structure_field (const GstIdStr * fieldname, const GValue * value,
gpointer user_data)
{
auto str = (GString *) user_data;
gchar *val;
if (G_VALUE_HOLDS_UINT (value)) {
val = g_strdup_printf ("%u (0x%08x)", g_value_get_uint (value),
g_value_get_uint (value));
} else if (G_VALUE_HOLDS_STRING (value)) {
val = g_value_dup_string (value);
} else {
val = gst_value_serialize (value);
}
if (val) {
g_string_append_printf (str,
"\t%s = %s\n", gst_id_str_as_str (fieldname), val);
}
g_free (val);
return TRUE;
}
static gchar *
gst_wasapi2_dump_devices (GList * device_list)
{
#ifndef GST_DISABLE_GST_DEBUG
if (gst_debug_category_get_threshold (GST_CAT_DEFAULT) < GST_LEVEL_LOG ||
!device_list) {
return nullptr;
}
auto str = g_string_new (nullptr);
GList *iter;
for (iter = device_list; iter; iter = g_list_next (iter)) {
auto device = GST_DEVICE (iter->data);
auto name = gst_device_get_display_name (device);
auto device_class = gst_device_get_device_class (device);
auto prop = gst_device_get_properties (device);
g_string_append_printf (str, "%s (%s)\n", name, device_class);
gst_structure_foreach_id_str (prop, dump_structure_field, str);
g_string_append_c (str, '\n');
g_free (name);
g_free (device_class);
gst_structure_free (prop);
}
return g_string_free (str, FALSE);
#else
return nullptr;
#endif
}
static void
gst_wasapi2_device_provider_update_devices (GstWasapi2DeviceProvider * self)
{
@ -431,6 +501,32 @@ gst_wasapi2_device_provider_update_devices (GstWasapi2DeviceProvider * self)
}
}
if (to_add || to_remove) {
auto dump = gst_wasapi2_dump_devices (prev_devices);
if (dump) {
GST_LOG_OBJECT (self, "Previous devices:\n%s", dump);
g_free (dump);
}
dump = gst_wasapi2_dump_devices (new_devices);
if (dump) {
GST_LOG_OBJECT (self, "Probed devices:\n%s", dump);
g_free (dump);
}
dump = gst_wasapi2_dump_devices (to_add);
if (dump) {
GST_LOG_OBJECT (self, "New devices:\n%s", dump);
g_free (dump);
}
dump = gst_wasapi2_dump_devices (to_remove);
if (dump) {
GST_LOG_OBJECT (self, "Removed devices:\n%s", dump);
g_free (dump);
}
}
for (iter = to_remove; iter; iter = g_list_next (iter))
gst_device_provider_device_remove (provider, GST_DEVICE (iter->data));