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avcfg: Don't leak the support GArray when registering flag/enums

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* Only create it if we are attempting to put values in it
* If we sucessfully registered the values, only free the GArray
* IF we didn't, also free the backing memory

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3390>
This commit is contained in:
Edward Hervey 2022-11-12 09:53:14 +01:00 committed by Edward Hervey
parent 1c8a57a85c
commit 47833c8b36
1 changed files with 13 additions and 3 deletions
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16
subprojects/gst-libav/ext/libav/gstavcfg.c
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@ -89,7 +89,7 @@ register_enum (const AVClass ** obj, const AVOption * top_opt)
{
const AVOption *opt = NULL;
GType res = 0;
GArray *values = g_array_new (TRUE, TRUE, sizeof (GEnumValue));
GArray *values;
gchar *lower_obj_name = g_ascii_strdown ((*obj)->class_name, -1);
gchar *enum_name = g_strdup_printf ("%s-%s", lower_obj_name, top_opt->unit);
gboolean none_default = TRUE;
@ -108,6 +108,8 @@ register_enum (const AVClass ** obj, const AVOption * top_opt)
if ((res = g_type_from_name (enum_name_strip)))
goto done;
values = g_array_new (TRUE, TRUE, sizeof (GEnumValue));
while ((opt = av_opt_next (obj, opt))) {
if (opt->type == AV_OPT_TYPE_CONST && !g_strcmp0 (top_opt->unit, opt->unit)) {
GEnumValue val;
@ -169,6 +171,10 @@ register_enum (const AVClass ** obj, const AVOption * top_opt)
&g_array_index (values, GEnumValue, 0));
gst_type_mark_as_plugin_api (res, 0);
g_array_free (values, FALSE);
} else {
g_array_free (values, TRUE);
}
done:
@ -190,7 +196,7 @@ register_flags (const AVClass ** obj, const AVOption * top_opt)
{
const AVOption *opt = NULL;
GType res = 0;
GArray *values = g_array_new (TRUE, TRUE, sizeof (GEnumValue));
GArray *values;
gchar *lower_obj_name = g_ascii_strdown ((*obj)->class_name, -1);
gchar *flags_name = g_strdup_printf ("%s-%s", lower_obj_name, top_opt->unit);
const gchar *flags_name_strip;
@ -208,6 +214,8 @@ register_flags (const AVClass ** obj, const AVOption * top_opt)
if ((res = g_type_from_name (flags_name_strip)))
goto done;
values = g_array_new (TRUE, TRUE, sizeof (GFlagsValue));
while ((opt = av_opt_next (obj, opt))) {
if (opt->type == AV_OPT_TYPE_CONST && !g_strcmp0 (top_opt->unit, opt->unit)) {
GFlagsValue val;
@ -240,7 +248,9 @@ register_flags (const AVClass ** obj, const AVOption * top_opt)
GFlagsValue, 0));
gst_type_mark_as_plugin_api (res, 0);
}
g_array_free (values, FALSE);
} else
g_array_free (values, TRUE);
done:
g_free (lower_obj_name);