[Linphone-developers] mediastreamer2 use help

[lilinde]

	ortp_init();
	 
	ms_init();
	

	MSSndCard *card_capture = ms_snd_card_manager_get_default_capture_card(ms_snd_card_manager_get());
	MSSndCard *card_playback = ms_snd_card_manager_get_default_playback_card(ms_snd_card_manager_get());
	/* audio capture filter */
	MSFilter *soundread = ms_snd_card_create_reader(card_capture);
	MSFilter *soundwrite = ms_snd_card_create_writer(card_playback);
	 
	MSFilter *encoder = ms_filter_create_encoder("PCMU");
	MSFilter *decoder = ms_filter_create_decoder("PCMU");
	MSFilter *rtpsend = ms_filter_new(MS_RTP_SEND_ID);
	MSFilter *rtprecv = ms_filter_new(MS_RTP_RECV_ID);

	MSFactory* factory = ms_factory_new_with_voip(); 
	RtpProfile* profile = ""
	AudioStream *audio= audio_stream_start(factory, profile, 6666, "127.0.0.1", 6666, 0, 0, 0);
	if (audio)
	{
	 
		
		qDebug() << "ok!";

		RtpSession *rtp_session = audio_stream_get_rtp_session(audio);
		OrtpEvQueue* q = ortp_ev_queue_new();
		rtp_session_register_event_queue(rtp_session, q);

		ms_filter_call_method(rtpsend, MS_RTP_SEND_SET_SESSION, rtp_session);
		ms_filter_call_method(rtprecv, MS_RTP_RECV_SET_SESSION, rtp_session);

		int sr = 8000;
		int chan = 1;
		ms_filter_call_method(soundread, MS_FILTER_SET_SAMPLE_RATE, &sr);
		//ms_filter_call_method(soundread, MS_FILTER_SET_NCHANNELS, &chan);

		ms_filter_call_method(soundwrite, MS_FILTER_SET_SAMPLE_RATE, &sr);
		ms_filter_call_method(soundwrite, MS_FILTER_SET_NCHANNELS, &chan);

		ms_filter_call_method(encoder, MS_FILTER_SET_SAMPLE_RATE, &sr);

		ms_filter_call_method(decoder, MS_FILTER_SET_SAMPLE_RATE, &sr);

		//link
		ms_filter_link(soundread, 0, encoder, 0);
		ms_filter_link(encoder, 0, rtpsend, 0);

		ms_filter_link(rtprecv, 0, decoder, 0);
		ms_filter_link(decoder, 0, soundwrite, 0);
		//ms_filter_link(stream->dtmfgen, 0, stream->soundwrite, 0);

		  /* create ticker */
		MSTicker *ticker = ms_ticker_new();
		ms_ticker_attach(ticker, soundread);
		ms_ticker_attach(ticker, rtprecv);

	}
	
i hear my volice error ,hao to change?

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