Function do_for_all_streams

modules/sipmsgops/codecs.c:307–347

static int do_for_all_streams(struct sip_msg* msg, str* str1,str * str2,
				regex_t* re, int op,int desc)
{
	struct sdp_session_cell * cur_session;
	sdp_info_t *sdp;
	int rez;

	if (msg==NULL || msg==FAKED_REPLY)
		return -1;

	sdp = parse_sdp(msg);
	if (!sdp) {
		LM_DBG("Message has no SDP\n");
		return -1;
	}

	if (get_codec_lumps(msg)<0) {
		LM_ERR("failed to prepare changes for codecs\n");
		return -1;
	}

	cur_session = sdp->sessions;
	rez = -1;

	while(cur_session)
	{
		struct sdp_stream_cell * cur_cell = cur_session->streams;

		while(cur_cell)
		{
			if(stream_process(msg,cur_cell,str1,str2,re,op,desc)==1)
				rez = 1;
			cur_cell = cur_cell->next;
		}

		cur_session = cur_session->next;

	}

	return rez;
}


/* deletes a SDP line (from a stream) by giving a pointer within the line.