Revert "FS-11417: [mod_conference] Unbounded memory growth during screen share #resolve"

This reverts commit 143323e6.

src/mod/applications/mod_conference/conference_loop.c

@@ -939,10 +939,6 @@ void *SWITCH_THREAD_FUNC conference_loop_input(switch_thread_t *thread, void *ob
 			goto do_continue;
 		}
 
-		if (!switch_channel_test_app_flag(channel, CF_AUDIO)) {
-			goto do_continue;
-		}
-		
 		/* if the member can speak, compute the audio energy level and */
 		/* generate events when the level crosses the threshold        */
 		if (((conference_utils_member_test_flag(member, MFLAG_CAN_SPEAK) && !conference_utils_member_test_flag(member, MFLAG_HOLD)) ||

src/mod/applications/mod_conference/mod_conference.c

@@ -611,7 +611,7 @@ void *SWITCH_THREAD_FUNC conference_thread_run(switch_thread_t *thread, void *ob
 			for (omember = conference->members; omember; omember = omember->next) {
 				switch_size_t ok = 1;
 
-				if (!conference_utils_member_test_flag(omember, MFLAG_RUNNING) || !switch_channel_test_flag(omember->channel, CF_AUDIO)) {
+				if (!conference_utils_member_test_flag(omember, MFLAG_RUNNING)) {
 					continue;
 				}
 
@@ -667,16 +667,15 @@ void *SWITCH_THREAD_FUNC conference_thread_run(switch_thread_t *thread, void *ob
 					write_frame[x] = (int16_t) z;
 				}
 
-				if (switch_channel_test_flag(omember->channel, CF_AUDIO)) {
 				switch_mutex_lock(omember->audio_out_mutex);
 				ok = switch_buffer_write(omember->mux_buffer, write_frame, bytes);
 				switch_mutex_unlock(omember->audio_out_mutex);
+
 				if (!ok) {
 					switch_mutex_unlock(conference->mutex);
 					goto end;
 				}
 			}
-			}
 		} else { /* There is no source audio.  Push silence into all of the buffers */
 			int16_t write_frame[SWITCH_RECOMMENDED_BUFFER_SIZE] = { 0 };
 
@@ -689,7 +688,7 @@ void *SWITCH_THREAD_FUNC conference_thread_run(switch_thread_t *thread, void *ob
 			for (omember = conference->members; omember; omember = omember->next) {
 				switch_size_t ok = 1;
 
-				if (!conference_utils_member_test_flag(omember, MFLAG_RUNNING) || !switch_channel_test_flag(omember->channel, CF_AUDIO)) {
+				if (!conference_utils_member_test_flag(omember, MFLAG_RUNNING)) {
 					continue;
 				}