+ {
+ /* Choose the port */
+ uint16_t i_port = 0;
+ if( p_fmt == NULL )
+ ;
+ else
+ if( p_fmt->i_cat == AUDIO_ES && p_sys->i_port_audio > 0 )
+ i_port = p_sys->i_port_audio;
+ else
+ if( p_fmt->i_cat == VIDEO_ES && p_sys->i_port_video > 0 )
+ i_port = p_sys->i_port_video;
+
+ /* We do not need the ES lock (p_sys->lock_es) here, because
+ * this is the only one thread that can *modify* the ES table.
+ * The ES lock protects the other threads from our modifications
+ * (TAB_APPEND, TAB_REMOVE). */
+ for (int i = 0; i_port && (i < p_sys->i_es); i++)
+ if (i_port == p_sys->es[i]->i_port)
+ i_port = 0; /* Port already in use! */
+ for (uint16_t p = p_sys->i_port; i_port == 0; p += 2)
+ {
+ if (p == 0)
+ {
+ msg_Err (p_stream, "too many RTP elementary streams");
+ goto error;
+ }
+ i_port = p;
+ for (int i = 0; i_port && (i < p_sys->i_es); i++)
+ if (p == p_sys->es[i]->i_port)
+ i_port = 0;
+ }
+
+ id->i_port = i_port;
+
+ int type = SOCK_STREAM;
+