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-rw-r--r--channels/chan_sip.c4
-rw-r--r--include/asterisk/format_cap.h8
-rw-r--r--main/format_cap.c17
3 files changed, 24 insertions, 5 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index f91261bf9..ed4f0162b 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -8881,8 +8881,8 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req, int t38action
ast_codec_choose(&p->prefs, p->jointcaps, 1, &tmp_fmt);
ast_format_cap_set(p->owner->nativeformats, &tmp_fmt);
- ast_format_cap_joint_copy(p->caps, vpeercapability, p->owner->nativeformats);
- ast_format_cap_joint_copy(p->caps, tpeercapability, p->owner->nativeformats);
+ ast_format_cap_joint_append(p->caps, vpeercapability, p->owner->nativeformats);
+ ast_format_cap_joint_append(p->caps, tpeercapability, p->owner->nativeformats);
ast_set_read_format(p->owner, &p->owner->readformat);
ast_set_write_format(p->owner, &p->owner->writeformat);
diff --git a/include/asterisk/format_cap.h b/include/asterisk/format_cap.h
index 301ec1471..cdb5421f9 100644
--- a/include/asterisk/format_cap.h
+++ b/include/asterisk/format_cap.h
@@ -192,6 +192,14 @@ struct ast_format_cap *ast_format_cap_joint(const struct ast_format_cap *cap1, c
int ast_format_cap_joint_copy(const struct ast_format_cap *cap1, const struct ast_format_cap *cap2, struct ast_format_cap *result);
/*!
+ * \brief Get joint capability structure, append into result capabilities structure
+ *
+ * \retval 1, joint capabilities exist
+ * \retval 0, joint capabilities do not exist
+ */
+int ast_format_cap_joint_append(const struct ast_format_cap *cap1, const struct ast_format_cap *cap2, struct ast_format_cap *result);
+
+/*!
* \brief Find out if capability structures have any joint capabilities without
* returning those capabilities.
*
diff --git a/main/format_cap.c b/main/format_cap.c
index 1d566050f..c8bdd4fa3 100644
--- a/main/format_cap.c
+++ b/main/format_cap.c
@@ -409,7 +409,7 @@ struct ast_format_cap *ast_format_cap_joint(const struct ast_format_cap *cap1, c
return NULL;
}
-int ast_format_cap_joint_copy(const struct ast_format_cap *cap1, const struct ast_format_cap *cap2, struct ast_format_cap *result)
+static int joint_copy_helper(const struct ast_format_cap *cap1, const struct ast_format_cap *cap2, struct ast_format_cap *result, int append)
{
struct ao2_iterator it;
struct ast_format *tmp;
@@ -417,8 +417,9 @@ int ast_format_cap_joint_copy(const struct ast_format_cap *cap1, const struct as
.joint_cap = result,
.joint_found = 0,
};
-
- ast_format_cap_remove_all(result);
+ if (!append) {
+ ast_format_cap_remove_all(result);
+ }
it = ao2_iterator_init(cap1->formats, cap2->nolock ? AO2_ITERATOR_DONTLOCK : 0);
while ((tmp = ao2_iterator_next(&it))) {
data.format = tmp;
@@ -433,6 +434,16 @@ int ast_format_cap_joint_copy(const struct ast_format_cap *cap1, const struct as
return ao2_container_count(result->formats) ? 1 : 0;
}
+int ast_format_cap_joint_append(const struct ast_format_cap *cap1, const struct ast_format_cap *cap2, struct ast_format_cap *result)
+{
+ return joint_copy_helper(cap1, cap2, result, 1);
+}
+
+int ast_format_cap_joint_copy(const struct ast_format_cap *cap1, const struct ast_format_cap *cap2, struct ast_format_cap *result)
+{
+ return joint_copy_helper(cap1, cap2, result, 0);
+}
+
struct ast_format_cap *ast_format_cap_get_type(const struct ast_format_cap *cap, enum ast_format_type ftype)
{
struct ao2_iterator it;