add API function to test whether av is enabled

auto_tests/conference_av_test.c

@@ -352,8 +352,12 @@ static void run_conference_tests(Tox **toxes, State *state)
 
     for (uint32_t i = 0; i < NUM_AV_GROUP_TOX; ++i) {
         if (restarting[i]) {
+            ck_assert_msg(!toxav_groupchat_av_enabled(toxes[i], 0),
+                          "#%u restarted but av enabled", state[i].index);
             ck_assert_msg(toxav_groupchat_enable_av(toxes[i], 0, audio_callback, &state[i]) == 0,
                           "#%u failed to re-enable av", state[i].index);
+            ck_assert_msg(toxav_groupchat_av_enabled(toxes[i], 0),
+                          "#%u av not enabled even after enabling", state[i].index);
         }
     }
 
@@ -393,6 +397,8 @@ static void run_conference_tests(Tox **toxes, State *state)
         disabled[i] = false;
         ck_assert_msg(toxav_groupchat_disable_av(toxes[i], 0) != 0,
                       "#%u could disable already disabled av!", state[i].index);
+        ck_assert_msg(!toxav_groupchat_av_enabled(toxes[i], 0),
+                      "#%u av enabled after disabling", state[i].index);
         ck_assert_msg(toxav_groupchat_enable_av(toxes[i], 0, audio_callback, &state[i]) == 0,
                       "#%u failed to re-enable av", state[i].index);
     }

toxav/groupav.c

@@ -506,6 +506,13 @@ int groupchat_disable_av(Group_Chats *g_c, uint32_t groupnumber)
     return 0;
 }
 
+/* Return whether A/V is enabled in the groupchat.
+ */
+bool groupchat_av_enabled(Group_Chats *g_c, uint32_t groupnumber)
+{
+    return group_get_object(g_c, groupnumber) != nullptr;
+}
+
 /* Create a new toxav group.
  *
  * return group number on success.

toxav/groupav.h

@@ -74,4 +74,8 @@ int groupchat_enable_av(const Logger *log, Tox *tox, Group_Chats *g_c, uint32_t
  */
 int groupchat_disable_av(Group_Chats *g_c, uint32_t groupnumber);
 
+/* Return whether A/V is enabled in the groupchat.
+ */
+bool groupchat_av_enabled(Group_Chats *g_c, uint32_t groupnumber);
+
 #endif // C_TOXCORE_TOXAV_GROUPAV_H

toxav/toxav.h

@@ -803,6 +803,10 @@ int toxav_groupchat_enable_av(Tox *tox, uint32_t groupnumber,
  */
 int toxav_groupchat_disable_av(Tox *tox, uint32_t groupnumber);
 
+/* Return whether A/V is enabled in the groupchat.
+ */
+bool toxav_groupchat_av_enabled(Tox *tox, uint32_t groupnumber);
+
 #ifdef __cplusplus
 }
 #endif

toxav/toxav_old.c

@@ -109,3 +109,12 @@ int toxav_groupchat_disable_av(Tox *tox, uint32_t groupnumber)
     Messenger *m = *(Messenger **)tox;
     return groupchat_disable_av(m->conferences_object, groupnumber);
 }
+
+/* Return whether A/V is enabled in the groupchat.
+ */
+bool toxav_groupchat_av_enabled(Tox *tox, uint32_t groupnumber)
+{
+    // TODO(iphydf): Don't rely on toxcore internals.
+    Messenger *m = *(Messenger **)tox;
+    return groupchat_av_enabled(m->conferences_object, groupnumber);
+}