예제 #1
0
myAudioStream::myAudioStream(QString payload)
{
    if (!initialized) {
        ortp_set_log_level_mask(ORTP_DEBUG|ORTP_ERROR);
        ms_init();
        ortp_init();
        initialized = true;
    }

    if (!init_card()) {
        return;
    }
    if (!init_stream()) {
        return;
    }
    if (!init_filters(payload)) {
        return;
    }
    if (!link_filters()) {
        return;
    }
    if (!start_ticker()) {
        return;
    }
}
예제 #2
0
void myAudioStream::changePayload(const QString & payload)
{
    stop_ticker();
    unlink_filters();
    destroy_filters();

    init_filters(payload);
    link_filters();
    start_ticker();
}
예제 #3
0
void video_stream_prepare_video(VideoStream *stream){
	video_stream_unprepare_video(stream);
	stream->rtprecv=ms_filter_new(MS_RTP_RECV_ID);
	rtp_session_set_payload_type(stream->session,0);
	ms_filter_call_method(stream->rtprecv,MS_RTP_RECV_SET_SESSION,stream->session);
	stream->voidsink=ms_filter_new(MS_VOID_SINK_ID);
	ms_filter_link(stream->rtprecv,0,stream->voidsink,0);
	start_ticker(stream);
	ms_ticker_attach(stream->ticker,stream->rtprecv);
}
예제 #4
0
Bool wait_event (XEvent * event, Window w, int mask, int max_wait)
{
	int tick_count;

	start_ticker (1);
	/* now we have to wait for our window to become mapped - waiting for PropertyNotify */
	for (tick_count = 0;
			 !XCheckWindowEvent (dpy, w, mask, event) && tick_count < max_wait;
			 tick_count++) {
		XSync (dpy, False);
		wait_tick ();
	}
	return (tick_count < max_wait);
}
/* This function is used either on IOS to workaround the long time to initialize the Audio Unit or for ICE candidates gathering. */
void audio_stream_prepare_sound(AudioStream *stream, MSSndCard *playcard, MSSndCard *captcard){
	audio_stream_unprepare_sound(stream);
	stream->dummy=ms_filter_new(MS_RTP_RECV_ID);
	rtp_session_set_payload_type(stream->ms.session,0);
	ms_filter_call_method(stream->dummy,MS_RTP_RECV_SET_SESSION,stream->ms.session);

	if (captcard && playcard){
#ifdef __ios
		stream->soundread=ms_snd_card_create_reader(captcard);
		stream->soundwrite=ms_snd_card_create_writer(playcard);
		ms_filter_link(stream->dummy,0,stream->soundwrite,0);
#else
		stream->ms.voidsink=ms_filter_new(MS_VOID_SINK_ID);
		ms_filter_link(stream->dummy,0,stream->ms.voidsink,0);
#endif
	} else {
		stream->ms.voidsink=ms_filter_new(MS_VOID_SINK_ID);
		ms_filter_link(stream->dummy,0,stream->ms.voidsink,0);
	}
	if (stream->ms.ticker == NULL) start_ticker(&stream->ms);
	ms_ticker_attach(stream->ms.ticker,stream->dummy);
}
int audio_stream_start_full(AudioStream *stream, RtpProfile *profile, const char *rem_rtp_ip,int rem_rtp_port,
	const char *rem_rtcp_ip, int rem_rtcp_port, int payload,int jitt_comp, const char *infile, const char *outfile,
	MSSndCard *playcard, MSSndCard *captcard, bool_t use_ec)
{
	RtpSession *rtps=stream->ms.session;
	PayloadType *pt,*tel_ev;
	int tmp;
	MSConnectionHelper h;
	int sample_rate;
	MSRtpPayloadPickerContext picker_context;
	bool_t has_builtin_ec=FALSE;

	rtp_session_set_profile(rtps,profile);
	if (rem_rtp_port>0) rtp_session_set_remote_addr_full(rtps,rem_rtp_ip,rem_rtp_port,rem_rtcp_ip,rem_rtcp_port);
	if (rem_rtcp_port<=0){
		rtp_session_enable_rtcp(rtps,FALSE);
	}
	rtp_session_set_payload_type(rtps,payload);
	rtp_session_set_jitter_compensation(rtps,jitt_comp);

	if (rem_rtp_port>0)
		ms_filter_call_method(stream->ms.rtpsend,MS_RTP_SEND_SET_SESSION,rtps);
	stream->ms.rtprecv=ms_filter_new(MS_RTP_RECV_ID);
	ms_filter_call_method(stream->ms.rtprecv,MS_RTP_RECV_SET_SESSION,rtps);
	stream->ms.session=rtps;

	if((stream->features & AUDIO_STREAM_FEATURE_DTMF) != 0)
		stream->dtmfgen=ms_filter_new(MS_DTMF_GEN_ID);
	else
		stream->dtmfgen=NULL;
	rtp_session_signal_connect(rtps,"telephone-event",(RtpCallback)on_dtmf_received,(unsigned long)stream);
	rtp_session_signal_connect(rtps,"payload_type_changed",(RtpCallback)mediastream_payload_type_changed,(unsigned long)&stream->ms);
	/* creates the local part */
	if (captcard!=NULL){
		if (stream->soundread==NULL)
			stream->soundread=ms_snd_card_create_reader(captcard);
		has_builtin_ec=!!(ms_snd_card_get_capabilities(captcard) & MS_SND_CARD_CAP_BUILTIN_ECHO_CANCELLER);
	}else {
		stream->soundread=ms_filter_new(MS_FILE_PLAYER_ID);
		stream->read_resampler=ms_filter_new(MS_RESAMPLE_ID);
		if (infile!=NULL) audio_stream_play(stream,infile);
	}
	if (playcard!=NULL) {
		if (stream->soundwrite==NULL)
			stream->soundwrite=ms_snd_card_create_writer(playcard);
	}else {
		stream->soundwrite=ms_filter_new(MS_FILE_REC_ID);
		if (outfile!=NULL) audio_stream_record(stream,outfile);
	}

	/* creates the couple of encoder/decoder */
	pt=rtp_profile_get_payload(profile,payload);
	if (pt==NULL){
		ms_error("audiostream.c: undefined payload type.");
		return -1;
	}
	tel_ev=rtp_profile_get_payload_from_mime (profile,"telephone-event");

	if ((stream->features & AUDIO_STREAM_FEATURE_DTMF_ECHO) != 0 && (tel_ev==NULL || ( (tel_ev->flags & PAYLOAD_TYPE_FLAG_CAN_RECV) && !(tel_ev->flags & PAYLOAD_TYPE_FLAG_CAN_SEND)))
	    && ( strcasecmp(pt->mime_type,"pcmu")==0 || strcasecmp(pt->mime_type,"pcma")==0)){
		/*if no telephone-event payload is usable and pcma or pcmu is used, we will generate
		  inband dtmf*/
		stream->dtmfgen_rtp=ms_filter_new (MS_DTMF_GEN_ID);
	} else {
		stream->dtmfgen_rtp=NULL;
	}
	
	if (ms_filter_call_method(stream->ms.rtpsend,MS_FILTER_GET_SAMPLE_RATE,&sample_rate)!=0){
		ms_error("Sample rate is unknown for RTP side !");
		return -1;
	}
	
	stream->ms.encoder=ms_filter_create_encoder(pt->mime_type);
	stream->ms.decoder=ms_filter_create_decoder(pt->mime_type);
	if ((stream->ms.encoder==NULL) || (stream->ms.decoder==NULL)){
		/* big problem: we have not a registered codec for this payload...*/
		ms_error("audio_stream_start_full: No decoder or encoder available for payload %s.",pt->mime_type);
		return -1;
	}
	if (ms_filter_has_method(stream->ms.decoder, MS_FILTER_SET_RTP_PAYLOAD_PICKER)) {
		ms_message(" decoder has FEC capabilities");
		picker_context.filter_graph_manager=stream;
		picker_context.picker=&audio_stream_payload_picker;
		ms_filter_call_method(stream->ms.decoder,MS_FILTER_SET_RTP_PAYLOAD_PICKER, &picker_context);
	}
	if((stream->features & AUDIO_STREAM_FEATURE_VOL_SND) != 0)
		stream->volsend=ms_filter_new(MS_VOLUME_ID);
	else
		stream->volsend=NULL;
	if((stream->features & AUDIO_STREAM_FEATURE_VOL_RCV) != 0)
		stream->volrecv=ms_filter_new(MS_VOLUME_ID);
	else
		stream->volrecv=NULL;
	audio_stream_enable_echo_limiter(stream,stream->el_type);
	audio_stream_enable_noise_gate(stream,stream->use_ng);

	if (stream->use_agc){
		int tmp=1;
		if (stream->volsend==NULL)
			stream->volsend=ms_filter_new(MS_VOLUME_ID);
		ms_filter_call_method(stream->volsend,MS_VOLUME_ENABLE_AGC,&tmp);
	}

	if (stream->dtmfgen) {
		ms_filter_call_method(stream->dtmfgen,MS_FILTER_SET_SAMPLE_RATE,&sample_rate);
		ms_filter_call_method(stream->dtmfgen,MS_FILTER_SET_NCHANNELS,&pt->channels);
	}
	if (stream->dtmfgen_rtp) {
		ms_filter_call_method(stream->dtmfgen_rtp,MS_FILTER_SET_SAMPLE_RATE,&sample_rate);
		ms_filter_call_method(stream->dtmfgen_rtp,MS_FILTER_SET_NCHANNELS,&pt->channels);
	}
	/* give the sound filters some properties */
	if (ms_filter_call_method(stream->soundread,MS_FILTER_SET_SAMPLE_RATE,&sample_rate) != 0) {
		/* need to add resampler*/
		if (stream->read_resampler == NULL) stream->read_resampler=ms_filter_new(MS_RESAMPLE_ID);
	}
	ms_filter_call_method(stream->soundread,MS_FILTER_SET_NCHANNELS,&pt->channels);

	if (ms_filter_call_method(stream->soundwrite,MS_FILTER_SET_SAMPLE_RATE,&sample_rate) != 0) {
		/* need to add resampler*/
		if (stream->write_resampler == NULL) stream->write_resampler=ms_filter_new(MS_RESAMPLE_ID);
	}
	ms_filter_call_method(stream->soundwrite,MS_FILTER_SET_NCHANNELS,&pt->channels);

	// Override feature
	if ( ((stream->features & AUDIO_STREAM_FEATURE_EC) && !use_ec) || has_builtin_ec )
		stream->features &=~AUDIO_STREAM_FEATURE_EC;

	/*configure the echo canceller if required */
	if ((stream->features & AUDIO_STREAM_FEATURE_EC) == 0 && stream->ec != NULL) {
		ms_filter_destroy(stream->ec);
		stream->ec=NULL;
	}
	if (stream->ec){
		if (!stream->is_ec_delay_set){
			int delay_ms=ms_snd_card_get_minimal_latency(captcard);
			if (delay_ms!=0){
				ms_message("Setting echo canceller delay with value provided by soundcard: %i ms",delay_ms);
				ms_filter_call_method(stream->ec,MS_ECHO_CANCELLER_SET_DELAY,&delay_ms);
			}
		}
		ms_filter_call_method(stream->ec,MS_FILTER_SET_SAMPLE_RATE,&sample_rate);
	}
	
	if (stream->features & AUDIO_STREAM_FEATURE_MIXED_RECORDING){
		int val=0;
		int pin=1;
		stream->recorder=ms_filter_new(MS_FILE_REC_ID);
		stream->recorder_mixer=ms_filter_new(MS_AUDIO_MIXER_ID);
		stream->recv_tee=ms_filter_new(MS_TEE_ID);
		stream->send_tee=ms_filter_new(MS_TEE_ID);
		ms_filter_call_method(stream->recorder_mixer,MS_AUDIO_MIXER_ENABLE_CONFERENCE_MODE,&val);
		ms_filter_call_method(stream->recorder_mixer,MS_FILTER_SET_SAMPLE_RATE,&sample_rate);
		ms_filter_call_method(stream->recorder_mixer,MS_FILTER_SET_NCHANNELS,&pt->channels);
		ms_filter_call_method(stream->recv_tee,MS_TEE_MUTE,&pin);
		ms_filter_call_method(stream->send_tee,MS_TEE_MUTE,&pin);
		ms_filter_call_method(stream->recorder,MS_FILTER_SET_SAMPLE_RATE,&sample_rate);
		ms_filter_call_method(stream->recorder,MS_FILTER_SET_NCHANNELS,&pt->channels);
		
	}

	/* give the encoder/decoder some parameters*/
	ms_filter_call_method(stream->ms.encoder,MS_FILTER_SET_SAMPLE_RATE,&sample_rate);
	ms_message("Payload's bitrate is %i",pt->normal_bitrate);
	if (pt->normal_bitrate>0){
		ms_message("Setting audio encoder network bitrate to %i",pt->normal_bitrate);
		ms_filter_call_method(stream->ms.encoder,MS_FILTER_SET_BITRATE,&pt->normal_bitrate);
	}
	ms_filter_call_method(stream->ms.encoder,MS_FILTER_SET_NCHANNELS,&pt->channels);
	ms_filter_call_method(stream->ms.decoder,MS_FILTER_SET_SAMPLE_RATE,&sample_rate);
	ms_filter_call_method(stream->ms.decoder,MS_FILTER_SET_NCHANNELS,&pt->channels);

	if (pt->send_fmtp!=NULL) {
		char value[16]={0};
		int ptime;
		if (ms_filter_has_method(stream->ms.encoder,MS_AUDIO_ENCODER_SET_PTIME)){
			if (fmtp_get_value(pt->send_fmtp,"ptime",value,sizeof(value)-1)){
				ptime=atoi(value);
				ms_filter_call_method(stream->ms.encoder,MS_AUDIO_ENCODER_SET_PTIME,&ptime);
			}
		}
		ms_filter_call_method(stream->ms.encoder,MS_FILTER_ADD_FMTP, (void*)pt->send_fmtp);
	}
	if (pt->recv_fmtp!=NULL) ms_filter_call_method(stream->ms.decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp);

	/*create the equalizer*/
	if ((stream->features & AUDIO_STREAM_FEATURE_EQUALIZER) != 0){
		stream->equalizer=ms_filter_new(MS_EQUALIZER_ID);
		if(stream->equalizer) {
			tmp=stream->eq_active;
			ms_filter_call_method(stream->equalizer,MS_EQUALIZER_SET_ACTIVE,&tmp);
		}
	}else
		stream->equalizer=NULL;
	

	/*configure resampler if needed*/
	ms_filter_call_method(stream->ms.rtpsend, MS_FILTER_SET_NCHANNELS, &pt->channels);
	ms_filter_call_method(stream->ms.rtprecv, MS_FILTER_SET_NCHANNELS, &pt->channels);
	if (stream->read_resampler){
		audio_stream_configure_resampler(stream->read_resampler,stream->soundread,stream->ms.rtpsend);
	}

	if (stream->write_resampler){
		audio_stream_configure_resampler(stream->write_resampler,stream->ms.rtprecv,stream->soundwrite);
	}

	if (stream->ms.use_rc){
		stream->ms.rc=ms_audio_bitrate_controller_new(stream->ms.session,stream->ms.encoder,0);
	}
	
	/* Create PLC */
	if ((stream->features & AUDIO_STREAM_FEATURE_PLC) != 0) {
		int decoder_have_plc = 0;
		if (ms_filter_has_method(stream->ms.decoder, MS_AUDIO_DECODER_HAVE_PLC)) {
			if (ms_filter_call_method(stream->ms.decoder, MS_AUDIO_DECODER_HAVE_PLC, &decoder_have_plc) != 0) {
				ms_warning("MS_AUDIO_DECODER_HAVE_PLC function error: enable default plc");
			}
		} else {
			ms_warning("MS_DECODER_HAVE_PLC function not implemented by the decoder: enable default plc");
		}
		if (decoder_have_plc == 0) {
			stream->plc = ms_filter_new(MS_GENERIC_PLC_ID);
		}

		if (stream->plc) {
			ms_filter_call_method(stream->plc, MS_FILTER_SET_NCHANNELS, &pt->channels);
			ms_filter_call_method(stream->plc, MS_FILTER_SET_SAMPLE_RATE, &sample_rate);
		}
	} else {
		stream->plc = NULL;
	}

	/* create ticker */
	if (stream->ms.ticker==NULL) start_ticker(&stream->ms);
	else{
		/*we were using the dummy preload graph, destroy it*/
		if (stream->dummy) stop_preload_graph(stream);
	}
	
	/* and then connect all */
	/* tip: draw yourself the picture if you don't understand */

	/*sending graph*/
	ms_connection_helper_start(&h);
	ms_connection_helper_link(&h,stream->soundread,-1,0);
	if (stream->read_resampler)
		ms_connection_helper_link(&h,stream->read_resampler,0,0);
	if (stream->ec)
		ms_connection_helper_link(&h,stream->ec,1,1);
	if (stream->volsend)
		ms_connection_helper_link(&h,stream->volsend,0,0);
	if (stream->dtmfgen_rtp)
		ms_connection_helper_link(&h,stream->dtmfgen_rtp,0,0);
	if (stream->send_tee)
		ms_connection_helper_link(&h,stream->send_tee,0,0);
	ms_connection_helper_link(&h,stream->ms.encoder,0,0);
	ms_connection_helper_link(&h,stream->ms.rtpsend,0,-1);

	/*receiving graph*/
	ms_connection_helper_start(&h);
	ms_connection_helper_link(&h,stream->ms.rtprecv,-1,0);
	ms_connection_helper_link(&h,stream->ms.decoder,0,0);
	if (stream->plc)
		ms_connection_helper_link(&h,stream->plc,0,0);
	if (stream->dtmfgen)
		ms_connection_helper_link(&h,stream->dtmfgen,0,0);
	if (stream->volrecv)
		ms_connection_helper_link(&h,stream->volrecv,0,0);
	if (stream->recv_tee)
		ms_connection_helper_link(&h,stream->recv_tee,0,0);
	if (stream->equalizer)
		ms_connection_helper_link(&h,stream->equalizer,0,0);
	if (stream->ec)
		ms_connection_helper_link(&h,stream->ec,0,0);
	if (stream->write_resampler)
		ms_connection_helper_link(&h,stream->write_resampler,0,0);
	ms_connection_helper_link(&h,stream->soundwrite,0,-1);

	/*call recording part, attached to both outgoing and incoming graphs*/
	if (stream->recorder){
		ms_filter_link(stream->send_tee,1,stream->recorder_mixer,0);
		ms_filter_link(stream->recv_tee,1,stream->recorder_mixer,1);
		ms_filter_link(stream->recorder_mixer,0,stream->recorder,0);
	}
	
	/*to make sure all preprocess are done before befre processing audio*/
	ms_ticker_attach_multiple(stream->ms.ticker
				,stream->soundread
				,stream->ms.rtprecv
				,NULL);

	stream->ms.start_time=ms_time(NULL);
	stream->ms.is_beginning=TRUE;

	return 0;
}
예제 #7
0
int video_stream_start (VideoStream *stream, RtpProfile *profile, const char *rem_rtp_ip, int rem_rtp_port,
	const char *rem_rtcp_ip, int rem_rtcp_port, int payload, int jitt_comp, MSWebCam *cam){
	PayloadType *pt;
	RtpSession *rtps=stream->ms.session;
	MSPixFmt format;
	MSVideoSize disp_size;
	int tmp;
	JBParameters jbp;
	const int socket_buf_size=2000000;

	if (cam==NULL){
		cam=ms_web_cam_manager_get_default_cam (
		      ms_web_cam_manager_get());
	}

	pt=rtp_profile_get_payload(profile,payload);
	if (pt==NULL){
		ms_error("videostream.c: undefined payload type.");
		return -1;
	}

	if ((cam != NULL) && (cam->desc->encode_to_mime_type != NULL) && (cam->desc->encode_to_mime_type(cam, pt->mime_type) == TRUE)) {
		stream->source_performs_encoding = TRUE;
	}

	rtp_session_set_profile(rtps,profile);
	if (rem_rtp_port>0) rtp_session_set_remote_addr_full(rtps,rem_rtp_ip,rem_rtp_port,rem_rtcp_ip,rem_rtcp_port);
	rtp_session_set_payload_type(rtps,payload);
	rtp_session_set_jitter_compensation(rtps,jitt_comp);

	rtp_session_signal_connect(stream->ms.session,"payload_type_changed",
			(RtpCallback)mediastream_payload_type_changed,(unsigned long)&stream->ms);

	rtp_session_get_jitter_buffer_params(stream->ms.session,&jbp);
	jbp.max_packets=1000;//needed for high resolution video
	rtp_session_set_jitter_buffer_params(stream->ms.session,&jbp);
	rtp_session_set_rtp_socket_recv_buffer_size(stream->ms.session,socket_buf_size);
	rtp_session_set_rtp_socket_send_buffer_size(stream->ms.session,socket_buf_size);

	if (stream->dir==VideoStreamSendRecv || stream->dir==VideoStreamSendOnly){
		MSConnectionHelper ch;
		/*plumb the outgoing stream */

		if (rem_rtp_port>0) ms_filter_call_method(stream->ms.rtpsend,MS_RTP_SEND_SET_SESSION,stream->ms.session);
		if (stream->source_performs_encoding == FALSE) {
			stream->ms.encoder=ms_filter_create_encoder(pt->mime_type);
			if ((stream->ms.encoder==NULL) ){
				/* big problem: we don't have a registered codec for this payload...*/
				ms_error("videostream.c: No encoder available for payload %i:%s.",payload,pt->mime_type);
				return -1;
			}
		}
		/* creates the filters */
		stream->cam=cam;
		stream->source = ms_web_cam_create_reader(cam);
		stream->tee = ms_filter_new(MS_TEE_ID);
		if (stream->source_performs_encoding == TRUE) {
			stream->ms.encoder = stream->source;	/* Consider the encoder is the source */
		}

		if (pt->normal_bitrate>0){
			MSVideoConfiguration *vconf_list = NULL;
			ms_message("Limiting bitrate of video encoder to %i bits/s",pt->normal_bitrate);
			ms_filter_call_method(stream->ms.encoder, MS_VIDEO_ENCODER_GET_CONFIGURATION_LIST, &vconf_list);
			if (vconf_list != NULL) {
				MSVideoConfiguration vconf = ms_video_find_best_configuration_for_bitrate(vconf_list, pt->normal_bitrate);
				ms_filter_call_method(stream->ms.encoder, MS_VIDEO_ENCODER_SET_CONFIGURATION, &vconf);
			} else {
				ms_filter_call_method(stream->ms.encoder, MS_FILTER_SET_BITRATE, &pt->normal_bitrate);
			}
		}
		if (pt->send_fmtp){
			ms_filter_call_method(stream->ms.encoder,MS_FILTER_ADD_FMTP,pt->send_fmtp);
		}
		if (stream->use_preview_window){
			if (stream->rendercb==NULL){
				stream->output2=ms_filter_new_from_name (stream->display_name);
			}
		}

		configure_video_source (stream);
		/* and then connect all */
		ms_connection_helper_start(&ch);
		ms_connection_helper_link(&ch, stream->source, -1, 0);
		if (stream->pixconv) {
			ms_connection_helper_link(&ch, stream->pixconv, 0, 0);
		}
		if (stream->sizeconv) {
			ms_connection_helper_link(&ch, stream->sizeconv, 0, 0);
		}
		ms_connection_helper_link(&ch, stream->tee, 0, 0);
		if (stream->source_performs_encoding == FALSE) {
			ms_connection_helper_link(&ch, stream->ms.encoder, 0, 0);
		}
		ms_connection_helper_link(&ch, stream->ms.rtpsend, 0, -1);
		if (stream->output2){
			if (stream->preview_window_id!=0){
				ms_filter_call_method(stream->output2, MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&stream->preview_window_id);
			}
			ms_filter_link(stream->tee,1,stream->output2,0);
		}
	}
	if (stream->dir==VideoStreamSendRecv || stream->dir==VideoStreamRecvOnly){
		MSConnectionHelper ch;
		MSVideoDisplayDecodingSupport decoding_support;

		if (stream->rendercb!=NULL){
			stream->output=ms_filter_new(MS_EXT_DISPLAY_ID);
			ms_filter_set_notify_callback(stream->output,ext_display_cb,stream);
		}else{
			stream->output=ms_filter_new_from_name (stream->display_name);
		}

		/* Don't allow null output */
		if(stream->output == NULL) {
			ms_fatal("No video display filter could be instantiated. Please check build-time configuration");
		}

		/* Check if the output filter can perform the decoding process */
		decoding_support.mime_type = pt->mime_type;
		decoding_support.supported = FALSE;
		ms_filter_call_method(stream->output, MS_VIDEO_DISPLAY_SUPPORT_DECODING, &decoding_support);
		stream->output_performs_decoding = decoding_support.supported;

		/*plumb the incoming stream */
		if (stream->output_performs_decoding == TRUE) {
			stream->ms.decoder = stream->output;	/* Consider the decoder is the output */
		} else {
			stream->ms.decoder=ms_filter_create_decoder(pt->mime_type);
			if ((stream->ms.decoder==NULL) ){
				/* big problem: we don't have a registered decoderfor this payload...*/
				ms_error("videostream.c: No decoder available for payload %i:%s.",payload,pt->mime_type);
				ms_filter_destroy(stream->output);
				return -1;
			}
		}
		ms_filter_set_notify_callback(stream->ms.decoder, event_cb, stream);

		stream->ms.rtprecv = ms_filter_new (MS_RTP_RECV_ID);
		ms_filter_call_method(stream->ms.rtprecv,MS_RTP_RECV_SET_SESSION,stream->ms.session);

		if (stream->output_performs_decoding == FALSE) {
			stream->jpegwriter=ms_filter_new(MS_JPEG_WRITER_ID);
			if (stream->jpegwriter)
				stream->tee2=ms_filter_new(MS_TEE_ID);
		}

		/* set parameters to the decoder*/
		if (pt->send_fmtp){
			ms_filter_call_method(stream->ms.decoder,MS_FILTER_ADD_FMTP,pt->send_fmtp);
		}
		if (pt->recv_fmtp!=NULL)
			ms_filter_call_method(stream->ms.decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp);

		/*force the decoder to output YUV420P */
		format=MS_YUV420P;
		ms_filter_call_method(stream->ms.decoder,MS_FILTER_SET_PIX_FMT,&format);

		/*configure the display window */
		if(stream->output != NULL) {
			disp_size.width=MS_VIDEO_SIZE_CIF_W;
			disp_size.height=MS_VIDEO_SIZE_CIF_H;
			tmp=1;
			ms_filter_call_method(stream->output,MS_FILTER_SET_VIDEO_SIZE,&disp_size);
			ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_ENABLE_AUTOFIT,&tmp);
			ms_filter_call_method(stream->output,MS_FILTER_SET_PIX_FMT,&format);
			ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_SET_LOCAL_VIEW_MODE,&stream->corner);
			if (stream->window_id!=0){
				ms_filter_call_method(stream->output, MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&stream->window_id);
			}
			if (stream->display_filter_auto_rotate_enabled) {
				ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_SET_DEVICE_ORIENTATION,&stream->device_orientation);
			}
		}
		/* and connect the filters */
		ms_connection_helper_start (&ch);
		ms_connection_helper_link (&ch,stream->ms.rtprecv,-1,0);
		if (stream->output_performs_decoding == FALSE) {
			ms_connection_helper_link (&ch,stream->ms.decoder,0,0);
		}
		if (stream->tee2){
			ms_connection_helper_link (&ch,stream->tee2,0,0);
			ms_filter_link(stream->tee2,1,stream->jpegwriter,0);
		}
		if (stream->output!=NULL)
			ms_connection_helper_link (&ch,stream->output,0,-1);
		/* the video source must be send for preview , if it exists*/
		if (stream->tee!=NULL && stream->output!=NULL && stream->output2==NULL)
			ms_filter_link(stream->tee,1,stream->output,1);
	}
	if (stream->dir == VideoStreamSendOnly) {
		stream->ms.rtprecv = ms_filter_new (MS_RTP_RECV_ID);
		ms_filter_call_method(stream->ms.rtprecv, MS_RTP_RECV_SET_SESSION, stream->ms.session);
		stream->ms.voidsink = ms_filter_new(MS_VOID_SINK_ID);
		ms_filter_link(stream->ms.rtprecv, 0, stream->ms.voidsink, 0);
	}

	/* create the ticker */
	if (stream->ms.ticker==NULL) start_ticker(&stream->ms);
	
	stream->ms.start_time=ms_time(NULL);
	stream->ms.is_beginning=TRUE;

	/* attach the graphs */
	if (stream->source)
		ms_ticker_attach (stream->ms.ticker, stream->source);
	if (stream->ms.rtprecv)
		ms_ticker_attach (stream->ms.ticker, stream->ms.rtprecv);
	return 0;
}
예제 #8
0
파일: cardman.c 프로젝트: gpg/gpa
/* This function is called to trigger a card-reload.  */
static void
card_reload (GpaCardManager *cardman)
{
  gpg_error_t err, operr;
  const char *application;
  char *command_buf = NULL;
  const char *command;
  const char *err_desc = NULL;
  char *err_desc_buffer = NULL;
  int auto_app;

  if (!cardman->gpgagent)
    return;  /* No support for GPGME_PROTOCOL_ASSUAN.  */

  /* Start the ticker if not yet done.  */
  start_ticker (cardman);
  if (!cardman->in_card_reload)
    {
      cardman->in_card_reload++;

      update_info_visibility (cardman);

      cardman->cardtype = G_TYPE_NONE;
      cardman->cardtypename = "Unknown";

      /* The first thing we need to do is to issue the SERIALNO
         command; this makes sure that scdaemon initalizes the card if
         that has not yet been done.  */
      command = "SCD SERIALNO";
      if (cardman->app_selector
          && (gtk_combo_box_get_active
              (GTK_COMBO_BOX (cardman->app_selector)) > 0)
          && (application = gtk_combo_box_get_active_text
              (GTK_COMBO_BOX (cardman->app_selector))))
        {
          command_buf = g_strdup_printf ("%s %s", command, application);
          command = command_buf;
          auto_app = 0;
        }
      else
        auto_app = 1;
      err = gpgme_op_assuan_transact_ext (cardman->gpgagent,
                                          command,
                                          scd_data_cb, NULL,
                                          scd_inq_cb, NULL,
                                          scd_status_cb, cardman, &operr);
      if (!err)
        {
          err = operr;
          if (!auto_app
              && gpg_err_source (err) == GPG_ERR_SOURCE_SCD
              && gpg_err_code (err) == GPG_ERR_CONFLICT)
            {
              /* Not in auto select mode and the scdaemon told us
                 about a conflicting use.  We now do a restart and try
                 again to display an application selection conflict
                 error only if it is not due to our own connection to
                 the scdaemon.  */
              if (!gpgme_op_assuan_transact_ext (cardman->gpgagent,
                                                 "SCD RESTART",
                                                 NULL, NULL, NULL, NULL,
                                                 NULL, NULL, &operr)
                  && !operr)
                {
                  err = gpgme_op_assuan_transact_ext (cardman->gpgagent,
                                                      command,
                                                      scd_data_cb, NULL,
                                                      scd_inq_cb, NULL,
                                                      scd_status_cb, cardman,
                                                      &operr);
                  if (!err)
                    err = operr;
                }
            }
        }


      if (gpg_err_code (err) == GPG_ERR_CARD_NOT_PRESENT
          || gpg_err_code (err) == GPG_ERR_CARD_REMOVED)
        {
          err_desc = _("No card found.");
        }
      else if (gpg_err_source (err) == GPG_ERR_SOURCE_SCD
               && gpg_err_code (err) == GPG_ERR_CONFLICT)
        {
          err_desc = auto_app
            ? _("The selected card application is currently not available.")
            : _("Another process is using a different card application "
                "than the selected one.\n\n"
                "You may change the application selection mode to "
                "\"Auto\" to select the active application.");
        }
      else if (!auto_app
               && gpg_err_source (err) == GPG_ERR_SOURCE_SCD
               && gpg_err_code (err) == GPG_ERR_NOT_SUPPORTED)
        {
          err_desc =
            _("The selected card application is not available.");
        }
      else if (err)
        {
          g_debug ("assuan command `%s' failed: %s <%s>\n",
                   command, gpg_strerror (err), gpg_strsource (err));
          if (!gpgme_op_assuan_transact_ext (cardman->gpgagent,
                                             "SCD SERIALNO undefined",
                                             NULL, NULL, NULL, NULL,
                                             NULL, NULL, &operr) && !operr)
            err = 0;
          else
            {
              err_desc = _("Error accessing the card.");
              statusbar_update (cardman, _("Error accessing card"));
            }
        }
      g_free (command_buf);


      if (!err)
        {
          /* Get the event counter to avoid a duplicate reload due to
             the ticker.  */
          gpgme_op_assuan_transact_ext (cardman->gpgagent,
                                        "GETEVENTCOUNTER",
                                        NULL, NULL,
                                        NULL, NULL,
                                        scd_status_cb, cardman, NULL);

          /* Now we need to get the APPTYPE of the card so that the
             correct GpaCM* object can can act on the data.  */
          command = "SCD GETATTR APPTYPE";
          err = gpgme_op_assuan_transact_ext (cardman->gpgagent,
                                              command,
                                              scd_data_cb, NULL,
                                              scd_inq_cb, NULL,
                                              scd_status_cb, cardman, &operr);
          if (!err)
            err = operr;

          if (gpg_err_code (err) == GPG_ERR_CARD_NOT_PRESENT
              || gpg_err_code (err) == GPG_ERR_CARD_REMOVED)
            statusbar_update (cardman, _("No card"));
          else if (err)
            {
              g_debug ("assuan command `%s' failed: %s <%s>\n",
                       command, gpg_strerror (err), gpg_strsource (err));
              statusbar_update (cardman, _("Error accessing card"));
            }
        }


      update_card_widget (cardman, err_desc);
      g_free (err_desc_buffer);
      err_desc_buffer = NULL;
      err_desc = NULL;
      update_title (cardman);

      update_info_visibility (cardman);
      /* We decrement our lock using a idle handler with lo priority.
         This gives us a better chance not to do a reload a second
         time on behalf of the file watcher or ticker.  */
      g_object_ref (cardman);
      g_idle_add_full (G_PRIORITY_LOW,
                       card_reload_finish_idle_cb, cardman, NULL);
    }
}