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gstinfo: Add gst_debug_log_literal() function

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This takes a plain message string and not a format string, and as a
result doesn't have to be passed through vasprintf() and lead to further
unnecessary allocations. It can also contain literal `%` because of
that.

The new function is mostly useful for bindings that would have to pass a
full string to GStreamer anyway and would do formatting themselves with
language-specific functionality.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1356>
This commit is contained in:
Sebastian Dröge 2021-11-16 18:05:09 +02:00 committed by GStreamer Marge Bot
parent a87be69ce5
commit 5dc95e00fa
2 changed files with 66 additions and 1 deletions
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55
subprojects/gstreamer/gst/gstinfo.c
View file

@ -578,6 +578,54 @@ gst_debug_log_valist (GstDebugCategory * category, GstDebugLevel level,
va_end (message.arguments);
}
/**
* gst_debug_log_literal:
* @category: category to log
* @level: level of the message is in
* @file: the file that emitted the message, usually the __FILE__ identifier
* @function: the function that emitted the message
* @line: the line from that the message was emitted, usually __LINE__
* @object: (transfer none) (allow-none): the object this message relates to,
* or %NULL if none
* @message_string: a message string
*
* Logs the given message using the currently registered debugging handlers.
*
* Since: 1.20
*/
void
gst_debug_log_literal (GstDebugCategory * category, GstDebugLevel level,
const gchar * file, const gchar * function, gint line,
GObject * object, const gchar * message_string)
{
GstDebugMessage message;
LogFuncEntry *entry;
GSList *handler;
g_return_if_fail (category != NULL);
#ifdef GST_ENABLE_EXTRA_CHECKS
g_warn_if_fail (object == NULL || G_IS_OBJECT (object));
#endif
if (level > gst_debug_category_get_threshold (category))
return;
g_return_if_fail (file != NULL);
g_return_if_fail (function != NULL);
g_return_if_fail (message_string != NULL);
message.message = (gchar *) message_string;
handler = __log_functions;
while (handler) {
entry = handler->data;
handler = g_slist_next (handler);
entry->func (category, level, file, function, line, object, &message,
entry->user_data);
}
}
/**
* gst_debug_message_get:
* @message: a debug message
@ -2341,6 +2389,13 @@ gst_debug_log_valist (GstDebugCategory * category, GstDebugLevel level,
{
}
void
gst_debug_log_literal (GstDebugCategory * category, GstDebugLevel level,
const gchar * file, const gchar * function, gint line,
GObject * object, const gchar * message_string)
{
}
const gchar *
gst_debug_message_get (GstDebugMessage * message)
{

12
subprojects/gstreamer/gst/gstinfo.h
View file

@ -368,11 +368,20 @@ void gst_debug_log_valist (GstDebugCategory * category,
GstDebugLevel level,
const gchar * file,
const gchar * function,
gint line,
gint line,
GObject * object,
const gchar * format,
va_list args) G_GNUC_NO_INSTRUMENT;
GST_API
void gst_debug_log_literal (GstDebugCategory * category,
GstDebugLevel level,
const gchar * file,
const gchar * function,
gint line,
GObject * object,
const gchar * message_string) G_GNUC_NO_INSTRUMENT;
/* do not use this function, use the GST_DEBUG_CATEGORY_INIT macro */
GST_API
@ -1496,6 +1505,7 @@ GST_TRACE (const char *format, ...)
#if defined(__GNUC__) && __GNUC__ >= 3
# pragma GCC poison gst_debug_log
# pragma GCC poison gst_debug_log_valist
# pragma GCC poison gst_debug_log_literal
# pragma GCC poison _gst_debug_category_new
#endif