static MSFilter *get_source() { MSWebCamManager *wcm = ms_web_cam_manager_get(); const MSList *list = ms_web_cam_manager_get_list(wcm); const MSList *next = list->next; while (next) { MSWebCam *cam = (MSWebCam*)next->data; dump_webcam(cam->desc); next = next->next; } MSWebCam *cam = ms_web_cam_manager_get_default_cam(wcm); if (!cam) { fprintf(stderr, "ERR: NO cams!!!\n"); return 0; } MSFilter *source = ms_web_cam_create_reader(cam); if (!source) { fprintf(stderr, "ERR: can't create Filter for %s\n", cam->desc->driver_type); ms_web_cam_destroy(cam); return 0; } return source; }
void video_stream_change_camera(VideoStream *stream, MSWebCam *cam){ if (stream->ticker && stream->source){ #ifdef ENABLE_UDT if (stream->udt) ms_ticker_detach (stream->ticker, stream->udt); #endif // ENABLE_UDT ms_ticker_detach(stream->ticker,stream->source); /*unlink source filters and subsequent post processin filters */ ms_filter_unlink (stream->source, 0, stream->pixconv, 0); ms_filter_unlink (stream->pixconv, 0, stream->sizeconv, 0); ms_filter_unlink (stream->sizeconv, 0, stream->tee, 0); /*destroy the filters */ ms_filter_destroy(stream->source); ms_filter_destroy(stream->pixconv); ms_filter_destroy(stream->sizeconv); /*re create new ones and configure them*/ stream->source = ms_web_cam_create_reader(cam); configure_video_source(stream); ms_filter_link (stream->source, 0, stream->pixconv, 0); ms_filter_link (stream->pixconv, 0, stream->sizeconv, 0); ms_filter_link (stream->sizeconv, 0, stream->tee, 0); ms_ticker_attach(stream->ticker,stream->source); } }
void ms_tester_create_filters(unsigned int filter_mask, MSFactory * f) { MSSndCardManager *snd_manager; MSWebCamManager *cam_manager; MSSndCard *playcard; MSSndCard *captcard; MSWebCam *camera; CREATE_FILTER(FILTER_MASK_FILEPLAY, ms_tester_fileplay,f, MS_FILE_PLAYER_ID); CREATE_FILTER(FILTER_MASK_FILEREC, ms_tester_filerec,f, MS_FILE_REC_ID); CREATE_FILTER(FILTER_MASK_DTMFGEN, ms_tester_dtmfgen, f, MS_DTMF_GEN_ID); CREATE_FILTER(FILTER_MASK_TONEDET, ms_tester_tonedet, f, MS_TONE_DETECTOR_ID); CREATE_FILTER(FILTER_MASK_VOIDSOURCE, ms_tester_voidsource, f, MS_VOID_SOURCE_ID); CREATE_FILTER(FILTER_MASK_VOIDSINK, ms_tester_voidsink, f, MS_VOID_SINK_ID); if (filter_mask & FILTER_MASK_ENCODER) { BC_ASSERT_PTR_NULL(ms_tester_encoder); ms_tester_encoder = ms_factory_create_encoder(f, ms_tester_codec_mime); BC_ASSERT_PTR_NOT_NULL(ms_tester_encoder); } if (filter_mask & FILTER_MASK_DECODER) { BC_ASSERT_PTR_NULL(ms_tester_decoder); ms_tester_decoder = ms_factory_create_decoder(f, ms_tester_codec_mime); BC_ASSERT_PTR_NOT_NULL(ms_tester_decoder); } CREATE_FILTER(FILTER_MASK_RTPRECV, ms_tester_rtprecv, f, MS_RTP_RECV_ID); CREATE_FILTER(FILTER_MASK_RTPSEND, ms_tester_rtpsend, f ,MS_RTP_SEND_ID); CREATE_FILTER(FILTER_MASK_RESAMPLER, ms_tester_resampler, f, MS_RESAMPLE_ID); if (filter_mask & FILTER_MASK_SOUNDWRITE) { BC_ASSERT_PTR_NULL(ms_tester_soundwrite); snd_manager = ms_factory_get_snd_card_manager(f); playcard = ms_snd_card_manager_get_default_playback_card(snd_manager); BC_ASSERT_PTR_NOT_NULL(playcard); ms_tester_soundwrite = ms_snd_card_create_writer(playcard); BC_ASSERT_PTR_NOT_NULL(ms_tester_soundwrite); } if (filter_mask & FILTER_MASK_SOUNDREAD) { BC_ASSERT_PTR_NULL(ms_tester_soundread); snd_manager = ms_factory_get_snd_card_manager(f); captcard = ms_snd_card_manager_get_default_capture_card(snd_manager); BC_ASSERT_PTR_NOT_NULL(captcard); ms_tester_soundread = ms_snd_card_create_reader(captcard); BC_ASSERT_PTR_NOT_NULL(ms_tester_soundread); } if (filter_mask & FILTER_MASK_VIDEOCAPTURE) { BC_ASSERT_PTR_NULL(ms_tester_videocapture); cam_manager = ms_factory_get_web_cam_manager(f); camera = ms_web_cam_manager_get_default_cam(cam_manager); BC_ASSERT_PTR_NOT_NULL(camera); ms_tester_videocapture = ms_web_cam_create_reader(camera); BC_ASSERT_PTR_NOT_NULL(ms_tester_videocapture); } }
int local_webcam_start(ConfWebCam *localcam,MSWebCam *device,MSVideoSize vsize,float fps){ MSPixFmt format=MS_YUV420P; if(!device) return -1; if(fps<=0) fps=15; if (device==NULL){ device=ms_web_cam_manager_get_default_cam ( ms_web_cam_manager_get()); } localcam->webcam = ms_web_cam_create_reader(device); ms_message("Setting sent vsize=%ix%i, fps=%f",vsize.width,vsize.height,fps); /* configure the filters */ if (ms_filter_get_id(localcam->webcam)!=MS_STATIC_IMAGE_ID) { ms_filter_call_method(localcam->webcam,MS_FILTER_SET_FPS,&fps); } ms_filter_call_method(localcam->webcam,MS_FILTER_SET_VIDEO_SIZE,&vsize); /* get the output format for webcam reader */ ms_filter_call_method(localcam->webcam,MS_FILTER_GET_PIX_FMT,&format); if (format==MS_MJPEG){ localcam->pixconv=ms_filter_new(MS_MJPEG_DEC_ID); }else{ localcam->pixconv = ms_filter_new(MS_PIX_CONV_ID); /*set it to the pixconv */ ms_filter_call_method(localcam->pixconv,MS_FILTER_SET_PIX_FMT,&format); ms_filter_call_method(localcam->webcam,MS_FILTER_GET_VIDEO_SIZE,&vsize); ms_filter_call_method(localcam->pixconv,MS_FILTER_SET_VIDEO_SIZE,&vsize); } localcam->sizeconv=ms_filter_new(MS_SIZE_CONV_ID); ms_filter_call_method(localcam->sizeconv,MS_FILTER_SET_VIDEO_SIZE,&vsize); localcam->itc_sink = ms_filter_new(MS_CONF_ITC_SINK_ID); ms_filter_link(localcam->webcam,0,localcam->pixconv,0); ms_filter_link(localcam->pixconv,0,localcam->sizeconv,0); ms_filter_link(localcam->sizeconv,0,localcam->itc_sink,0); localcam->ticker = ms_ticker_new(); ms_ticker_set_name(localcam->ticker,"Local Camera MSTicker"); ms_ticker_attach(localcam->ticker,localcam->webcam); return 0; }
void video_stream_change_camera(VideoStream *stream, MSWebCam *cam){ bool_t keep_source=(cam==stream->cam); bool_t encoder_has_builtin_converter = (!stream->pixconv && !stream->sizeconv); if (stream->ms.ticker && stream->source){ ms_ticker_detach(stream->ms.ticker,stream->source); /*unlink source filters and subsequent post processin filters */ if (encoder_has_builtin_converter || (stream->source_performs_encoding == TRUE)) { ms_filter_unlink(stream->source, 0, stream->tee, 0); } else { ms_filter_unlink (stream->source, 0, stream->pixconv, 0); ms_filter_unlink (stream->pixconv, 0, stream->sizeconv, 0); ms_filter_unlink (stream->sizeconv, 0, stream->tee, 0); } /*destroy the filters */ if (!keep_source) ms_filter_destroy(stream->source); if (!encoder_has_builtin_converter && (stream->source_performs_encoding == FALSE)) { ms_filter_destroy(stream->pixconv); ms_filter_destroy(stream->sizeconv); } /*re create new ones and configure them*/ if (!keep_source) stream->source = ms_web_cam_create_reader(cam); stream->cam=cam; /* update orientation */ if (stream->source){ ms_filter_call_method(stream->source,MS_VIDEO_CAPTURE_SET_DEVICE_ORIENTATION,&stream->device_orientation); if (!stream->display_filter_auto_rotate_enabled) ms_filter_call_method(stream->source,MS_VIDEO_DISPLAY_SET_DEVICE_ORIENTATION,&stream->device_orientation); } if (stream->output && stream->display_filter_auto_rotate_enabled) { ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_SET_DEVICE_ORIENTATION,&stream->device_orientation); } configure_video_source(stream); if (encoder_has_builtin_converter || (stream->source_performs_encoding == TRUE)) { ms_filter_link (stream->source, 0, stream->tee, 0); } else { ms_filter_link (stream->source, 0, stream->pixconv, 0); ms_filter_link (stream->pixconv, 0, stream->sizeconv, 0); ms_filter_link (stream->sizeconv, 0, stream->tee, 0); } ms_ticker_attach(stream->ms.ticker,stream->source); } }
void video_preview_start(VideoPreview *stream, MSWebCam *device){ MSPixFmt format; float fps=(float)29.97; int mirroring=1; int corner=-1; MSVideoSize disp_size=stream->sent_vsize; MSVideoSize vsize=disp_size; const char *displaytype=stream->display_name; stream->source = ms_web_cam_create_reader(device); /* configure the filters */ ms_filter_call_method(stream->source,MS_FILTER_SET_VIDEO_SIZE,&vsize); if (ms_filter_get_id(stream->source)!=MS_STATIC_IMAGE_ID) ms_filter_call_method(stream->source,MS_FILTER_SET_FPS,&fps); ms_filter_call_method(stream->source,MS_FILTER_GET_PIX_FMT,&format); ms_filter_call_method(stream->source,MS_FILTER_GET_VIDEO_SIZE,&vsize); if (format==MS_MJPEG){ stream->pixconv=ms_filter_new(MS_MJPEG_DEC_ID); }else{ stream->pixconv=ms_filter_new(MS_PIX_CONV_ID); ms_filter_call_method(stream->pixconv,MS_FILTER_SET_PIX_FMT,&format); ms_filter_call_method(stream->pixconv,MS_FILTER_SET_VIDEO_SIZE,&vsize); } format=MS_YUV420P; stream->output2=ms_filter_new_from_name (displaytype); ms_filter_call_method(stream->output2,MS_FILTER_SET_PIX_FMT,&format); ms_filter_call_method(stream->output2,MS_FILTER_SET_VIDEO_SIZE,&disp_size); ms_filter_call_method(stream->output2,MS_VIDEO_DISPLAY_ENABLE_MIRRORING,&mirroring); ms_filter_call_method(stream->output2,MS_VIDEO_DISPLAY_SET_LOCAL_VIEW_MODE,&corner); /* and then connect all */ ms_filter_link(stream->source,0, stream->pixconv,0); ms_filter_link(stream->pixconv, 0, stream->output2, 0); if (stream->preview_window_id!=0){ video_stream_set_native_preview_window_id(stream, stream->preview_window_id); } /* create the ticker */ stream->ms.ticker = ms_ticker_new(); ms_ticker_set_name(stream->ms.ticker,"Video MSTicker"); ms_ticker_attach (stream->ms.ticker, stream->source); }
VideoStream * video_preview_start(MSWebCam *device){ VideoStream *stream = (VideoStream *)ms_new0 (VideoStream, 1); MSPixFmt format; MSVideoSize vsize; vsize.width=MS_VIDEO_SIZE_CIF_W; vsize.height=MS_VIDEO_SIZE_CIF_H; /* creates the filters */ stream->source = ms_web_cam_create_reader(device); stream->output = ms_filter_new(MS_VIDEO_OUT_ID); /* configure the filters */ ms_filter_call_method(stream->source,MS_FILTER_GET_PIX_FMT,&format); ms_filter_call_method(stream->source,MS_FILTER_GET_VIDEO_SIZE,&vsize); if (format==MS_MJPEG){ stream->pixconv=ms_filter_new(MS_MJPEG_DEC_ID); }else{ stream->pixconv=ms_filter_new(MS_PIX_CONV_ID); ms_filter_call_method(stream->pixconv,MS_FILTER_SET_PIX_FMT,&format); ms_filter_call_method(stream->pixconv,MS_FILTER_SET_VIDEO_SIZE,&vsize); } format=MS_YUV420P; ms_filter_call_method(stream->output,MS_FILTER_SET_PIX_FMT,&format); ms_filter_call_method(stream->output,MS_FILTER_SET_VIDEO_SIZE,&vsize); /* and then connect all */ ms_filter_link(stream->source,0, stream->pixconv,0); ms_filter_link(stream->pixconv, 0, stream->output, 0); /* create the ticker */ stream->ticker = ms_ticker_new(); ms_ticker_attach (stream->ticker, stream->source); return stream; }
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; }
int video_mail_record_start(VideoMailRecord *vp, MSSndCard *sndcard,MSWebCam *webcam,unsigned long video_window_id,const char *filename){ MSConnectionHelper h; MSPixFmt format=MS_YUV420P; { strcpy(vp->filename, filename); vp->os = video_recoder_new(); video_recoder_init(vp->os); video_recoder_set_vsize(vp->os,vp->vsize); video_recoder_set_rate(vp->os,vp->rate); video_recoder_set_audio_bit_rate(vp->os, get_bit_rate_by_samples_rate(vp->rate)); video_recoder_set_video_bit_rate(vp->os, vp->bit_rate - get_bit_rate_by_samples_rate(vp->rate)); video_recoder_set_nbchannels(vp->os,vp->nchannels); if(video_recoder_open_file(vp->os,vp->filename)<0){ video_recoder_destory(vp->os); vp->os=NULL; return -1; } video_mail_record_set_audio_sink(vp,video_recoder_create_audio_filter(vp->os)); video_mail_record_set_video_sink(vp,video_recoder_create_video_filter(vp->os)); video_recoder_start(vp->os); } { if (sndcard!=NULL) vp->snd_read=ms_snd_card_create_reader(sndcard); if(vp->snd_read){ ms_filter_call_method(vp->snd_read,MS_FILTER_SET_NCHANNELS,&vp->nchannels); ms_filter_call_method(vp->snd_read,MS_FILTER_SET_SAMPLE_RATE,&vp->rate); } } { if (webcam==NULL){ webcam=ms_web_cam_manager_get_default_cam ( ms_web_cam_manager_get()); } vp->video_source = ms_web_cam_create_reader(webcam); vp->video_tee = ms_filter_new(MS_TEE_ID); ms_message("Setting sent vsize=%ix%i, fps=%f",vp->vsize.width,vp->vsize.height,vp->fps); /* configure the filters */ if (ms_filter_get_id(vp->video_source)!=MS_STATIC_IMAGE_ID) { ms_filter_call_method(vp->video_source,MS_FILTER_SET_FPS,&vp->fps); } ms_filter_call_method(vp->video_source,MS_FILTER_SET_VIDEO_SIZE,&vp->vsize); ms_filter_call_method(vp->video_source,MS_FILTER_GET_PIX_FMT,&format); if (format==MS_MJPEG){ vp->pixconv=ms_filter_new(MS_MJPEG_DEC_ID); }else{ vp->pixconv = ms_filter_new(MS_PIX_CONV_ID); /*set it to the pixconv */ ms_filter_call_method(vp->pixconv,MS_FILTER_SET_PIX_FMT,&format); ms_filter_call_method(vp->video_source,MS_FILTER_GET_VIDEO_SIZE,&vp->vsize); ms_filter_call_method(vp->pixconv,MS_FILTER_SET_VIDEO_SIZE,&vp->vsize); } vp->sizeconv=ms_filter_new(MS_SIZE_CONV_ID); ms_filter_call_method(vp->sizeconv,MS_FILTER_SET_VIDEO_SIZE,&vp->vsize); choose_display_name(vp); vp->video_output=ms_filter_new_from_name (vp->display_name); if (video_window_id!=0) ms_filter_call_method(vp->video_output, MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&video_window_id); } if(vp->snd_read!=NULL && vp->snd_sink!=NULL){ ms_filter_link(vp->snd_read,0,vp->snd_sink,0); } if(vp->video_source!=NULL && vp->video_output!=NULL) { ms_connection_helper_start(&h); ms_connection_helper_link(&h,vp->video_source,-1,0); ms_connection_helper_link(&h,vp->pixconv,0,0); ms_connection_helper_link(&h,vp->sizeconv,0,0); ms_connection_helper_link(&h,vp->video_tee,0,0); ms_filter_link(vp->video_tee,1,vp->video_output,0); ms_connection_helper_link(&h,vp->video_sink,0,-1); } vp->ticker = ms_ticker_new(); ms_ticker_set_name(vp->ticker,"VideoMailRecord"); if(vp->snd_read!=NULL && vp->snd_sink!=NULL) ms_ticker_attach(vp->ticker,vp->snd_read); if(vp->video_source!=NULL && vp->video_output!=NULL) ms_ticker_attach(vp->ticker,vp->video_source); return 0; }
int video_stream_send_only_start(VideoStream* stream, RtpProfile *profile, const char *remip, int remport, int rem_rtcp_port, int payload, int jitt_comp, MSWebCam *device){ PayloadType *pt; MSPixFmt format; MSVideoSize vsize; RtpSession *rtps=stream->session; float fps=15; vsize.width=MS_VIDEO_SIZE_CIF_W; vsize.height=MS_VIDEO_SIZE_CIF_H; rtp_session_set_profile(rtps,profile); if (remport>0) rtp_session_set_remote_addr_full(rtps,remip,remport,rem_rtcp_port); rtp_session_set_payload_type(rtps,payload); rtp_session_set_jitter_compensation(rtps,jitt_comp); /* creates rtp filter to send streams (remote part) */ rtp_session_set_recv_buf_size(rtps,MAX_RTP_SIZE); stream->rtpsend =ms_filter_new(MS_RTP_SEND_ID); if (remport>0) ms_filter_call_method(stream->rtpsend,MS_RTP_SEND_SET_SESSION,stream->session); /* creates the filters */ pt=rtp_profile_get_payload(profile,payload); if (pt==NULL){ video_stream_free(stream); ms_error("videostream.c: undefined payload type."); return -1; } stream->encoder=ms_filter_create_encoder(pt->mime_type); if ((stream->encoder==NULL)){ /* big problem: we have not a registered codec for this payload...*/ video_stream_free(stream); ms_error("videostream.c: No codecs available for payload %i.",payload); return -1; } /* creates the filters */ stream->source = ms_web_cam_create_reader(device); stream->sizeconv=ms_filter_new(MS_SIZE_CONV_ID); /* configure the filters */ if (pt->send_fmtp) ms_filter_call_method(stream->encoder,MS_FILTER_ADD_FMTP,pt->send_fmtp); ms_filter_call_method(stream->encoder,MS_FILTER_SET_BITRATE,&pt->normal_bitrate); ms_filter_call_method(stream->encoder,MS_FILTER_GET_FPS,&fps); ms_filter_call_method(stream->encoder,MS_FILTER_GET_VIDEO_SIZE,&vsize); ms_filter_call_method(stream->source,MS_FILTER_SET_FPS,&fps); ms_filter_call_method(stream->source,MS_FILTER_SET_VIDEO_SIZE,&vsize); /* get the output format for webcam reader */ ms_filter_call_method(stream->source,MS_FILTER_GET_PIX_FMT,&format); /*set it to the pixconv */ /* bug fix from AMD: What about MJPEG mode???*/ if (format==MS_MJPEG){ stream->pixconv=ms_filter_new(MS_MJPEG_DEC_ID); }else{ stream->pixconv=ms_filter_new(MS_PIX_CONV_ID); ms_filter_call_method(stream->pixconv,MS_FILTER_SET_PIX_FMT,&format); ms_filter_call_method(stream->source,MS_FILTER_GET_VIDEO_SIZE,&vsize); ms_filter_call_method(stream->pixconv,MS_FILTER_SET_VIDEO_SIZE,&vsize); } ms_filter_call_method(stream->encoder,MS_FILTER_GET_VIDEO_SIZE,&vsize); ms_filter_call_method(stream->sizeconv,MS_FILTER_SET_VIDEO_SIZE,&vsize); ms_message("vsize=%ix%i, fps=%f, send format: %s, capture format: %d, bitrate: %d", vsize.width,vsize.height,fps,pt->send_fmtp,format, pt->normal_bitrate); /* and then connect all */ ms_filter_link (stream->source, 0, stream->pixconv, 0); ms_filter_link (stream->pixconv, 0, stream->sizeconv, 0); ms_filter_link (stream->sizeconv, 0, stream->encoder, 0); ms_filter_link (stream->encoder,0, stream->rtpsend,0); /* create the ticker */ stream->ticker = ms_ticker_new(); /* attach it the graph */ ms_ticker_attach (stream->ticker, stream->source); return 0; }
int video_stream_start (VideoStream *stream, RtpProfile *profile, const char *remip, int remport, int rem_rtcp_port, int payload, int jitt_comp, MSWebCam *cam) { PayloadType *pt; RtpSession *rtps=stream->session; MSPixFmt format; MSVideoSize vsize; float fps=15; vsize.height=MS_VIDEO_SIZE_CIF_H; vsize.width=MS_VIDEO_SIZE_CIF_W; pt=rtp_profile_get_payload(profile,payload); if (pt==NULL){ ms_error("videostream.c: undefined payload type."); return -1; } stream->encoder=ms_filter_create_encoder(pt->mime_type); stream->decoder=ms_filter_create_decoder(pt->mime_type); if ((stream->encoder==NULL) || (stream->decoder==NULL)){ /* big problem: we have not a registered codec for this payload...*/ ms_error("videostream.c: No codecs available for payload %i:%s.",payload,pt->mime_type); return -1; } rtp_session_set_profile(rtps,profile); if (remport>0) rtp_session_set_remote_addr_full(rtps,remip,remport,rem_rtcp_port); rtp_session_set_payload_type(rtps,payload); rtp_session_set_jitter_compensation(rtps,jitt_comp); rtp_session_signal_connect(stream->session,"payload_type_changed", (RtpCallback)payload_type_changed,(unsigned long)stream); rtp_session_set_recv_buf_size(stream->session,MAX_RTP_SIZE); /* creates two rtp filters to recv send streams (remote part) */ if (remport>0) ms_filter_call_method(stream->rtpsend,MS_RTP_SEND_SET_SESSION,stream->session); stream->rtprecv = ms_filter_new (MS_RTP_RECV_ID); ms_filter_call_method(stream->rtprecv,MS_RTP_RECV_SET_SESSION,stream->session); /* creates the filters */ stream->source = ms_web_cam_create_reader(cam); stream->tee = ms_filter_new(MS_TEE_ID); stream->output=ms_filter_new(MS_VIDEO_OUT_ID); stream->sizeconv=ms_filter_new(MS_SIZE_CONV_ID); if (pt->normal_bitrate>0){ ms_message("Limiting bitrate of video encoder to %i bits/s",pt->normal_bitrate); ms_filter_call_method(stream->encoder,MS_FILTER_SET_BITRATE,&pt->normal_bitrate); } /* set parameters to the encoder and decoder*/ if (pt->send_fmtp){ ms_filter_call_method(stream->encoder,MS_FILTER_ADD_FMTP,pt->send_fmtp); ms_filter_call_method(stream->decoder,MS_FILTER_ADD_FMTP,pt->send_fmtp); } ms_filter_call_method(stream->encoder,MS_FILTER_GET_VIDEO_SIZE,&vsize); ms_filter_call_method(stream->encoder,MS_FILTER_GET_FPS,&fps); ms_message("Setting vsize=%ix%i, fps=%f",vsize.width,vsize.height,fps); /* configure the filters */ ms_filter_call_method(stream->source,MS_FILTER_SET_FPS,&fps); ms_filter_call_method(stream->source,MS_FILTER_SET_VIDEO_SIZE,&vsize); /* get the output format for webcam reader */ ms_filter_call_method(stream->source,MS_FILTER_GET_PIX_FMT,&format); if (format==MS_MJPEG){ stream->pixconv=ms_filter_new(MS_MJPEG_DEC_ID); }else{ stream->pixconv = ms_filter_new(MS_PIX_CONV_ID); /*set it to the pixconv */ ms_filter_call_method(stream->pixconv,MS_FILTER_SET_PIX_FMT,&format); ms_filter_call_method(stream->source,MS_FILTER_GET_VIDEO_SIZE,&vsize); ms_filter_call_method(stream->pixconv,MS_FILTER_SET_VIDEO_SIZE,&vsize); } ms_filter_call_method(stream->encoder,MS_FILTER_GET_VIDEO_SIZE,&vsize); ms_filter_call_method(stream->sizeconv,MS_FILTER_SET_VIDEO_SIZE,&vsize); /*force the decoder to output YUV420P */ format=MS_YUV420P; ms_filter_call_method(stream->decoder,MS_FILTER_SET_PIX_FMT,&format); /*ask the video display to always output CIF */ vsize.height=MS_VIDEO_SIZE_CIF_H; vsize.width=MS_VIDEO_SIZE_CIF_W; ms_filter_call_method(stream->output,MS_FILTER_SET_VIDEO_SIZE,&vsize); ms_filter_call_method(stream->output,MS_FILTER_SET_PIX_FMT,&format); if (pt->recv_fmtp!=NULL) ms_filter_call_method(stream->decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp); /* and then connect all */ ms_filter_link (stream->source, 0, stream->pixconv, 0); ms_filter_link (stream->pixconv, 0, stream->sizeconv, 0); ms_filter_link (stream->sizeconv, 0, stream->tee, 0); ms_filter_link (stream->tee, 0 ,stream->encoder, 0 ); ms_filter_link (stream->encoder,0, stream->rtpsend,0); ms_filter_link (stream->rtprecv, 0, stream->decoder, 0); ms_filter_link (stream->decoder,0 , stream->output, 0); /* the source video must be send for preview */ ms_filter_link(stream->tee,1,stream->output,1); /* create the ticker */ stream->ticker = ms_ticker_new(); /* attach it the graph */ ms_ticker_attach (stream->ticker, stream->source); return 0; }
void conf_stream_start(LinphoneConferenceStream *stream,bool_t video_monitor) { bool_t ptt = stream->ptt_mode; int tmp; { stream->audio_ticker = ms_ticker_new(); ms_cond_init(&stream->audio_ticker->cond,NULL); ms_ticker_set_name(stream->audio_ticker,"Audio Mixer MSTicker"); stream->audio_mixer = ms_filter_new(MS_CONF_ID); stream->audio_filerecorder = ms_filter_new(MS_FILE_REC_ID); stream->audio_fileplayer = ms_filter_new(MS_FILE_PLAYER_ID); ms_filter_call_method(stream->audio_mixer,MS_FILTER_SET_SAMPLE_RATE,&stream->sample_rate); ms_filter_call_method (stream->audio_fileplayer , MS_FILTER_SET_SAMPLE_RATE,&stream->sample_rate); tmp = 1; /*默认采用单声道会议*/ ms_filter_call_method (stream->audio_fileplayer , MS_FILTER_SET_NCHANNELS,&tmp); /*设置会议音频采样率,8k,16k,32k*/ ms_filter_call_method(stream->audio_filerecorder,MS_FILTER_SET_SAMPLE_RATE,&stream->sample_rate); ms_message("Link audio filter list!!!"); /*创建录制端口*/ { int audio_mixer_pin = NB_AUDIO_MAX_OUPUT_PINS-2; stream->audio_record_sink = ms_filter_new(MS_CONF_ITC_SINK_ID); ms_filter_link(stream->audio_mixer,audio_mixer_pin,stream->audio_record_sink,0); } {/*创建音频对接端口*/ int max_ports = stream->max_ports; for(int i=0; i< max_ports; i++) { ConfAudioPort *port = audio_slot_new(); audio_slot_init(port,i); stream->audio_ports = ms_list_append(stream->audio_ports, port); /*顺序连接音频对接端口*/ ms_filter_link(port->audio_itc_source,0,stream->audio_mixer,i);// <--- call[i].sink <--- call[i].decode <--- call[i].rtp_recv ms_filter_link(stream->audio_mixer,i,port->audio_itc_sink,0); // ---> call[i].itc_source --->call[i].encode --->call[i].rtp_send } /*将音频播放,及录制连接至最末端端口*/ ms_filter_link(stream->audio_fileplayer,0,stream->audio_mixer,stream->max_ports); ms_filter_link(stream->audio_mixer,stream->max_ports,stream->audio_filerecorder,0); } /*启动音频mixer线程*/ ms_ticker_attach(stream->audio_ticker,stream->audio_mixer); } if(stream->has_video) { ms_message("Link video filter list!!!"); MSPixFmt format=MS_YUV420P; MSVideoSize vsize,cam_vsize,disp_size; stream->video_mixer=ms_filter_new_from_name("MSVideoMixer"); if(stream->video_mixer==NULL){ ms_error("Not have MSVideoStitcher, Can't to Video Conference!!!"); return; } stream->video_ticker = ms_ticker_new(); ms_cond_init(&stream->video_ticker->cond,NULL); ms_ticker_set_name(stream->video_ticker,"Video Mixer MSTicker"); /*设置视频会议的输出尺寸*/ ms_filter_call_method(stream->video_mixer,MS_FILTER_SET_VIDEO_SIZE,&stream->sent_vsize); /*添加服务器端视频监视,可添加jpeg画面截取filer,用于web端实时会议的画面截取*/ if(video_monitor) stream->video_output=ms_filter_new_from_name (stream->display_name); /*配置监视器*/ if(stream->video_output!=NULL){ disp_size = stream->sent_vsize; tmp=1; ms_filter_call_method(stream->video_output,MS_FILTER_SET_VIDEO_SIZE,&disp_size); ms_filter_call_method(stream->video_output,MS_VIDEO_DISPLAY_ENABLE_AUTOFIT,&tmp); ms_filter_call_method(stream->video_output,MS_FILTER_SET_PIX_FMT,&format); /*在已有窗口上绘图,或创建新window*/ if (stream->video_window_id!=0) ms_filter_call_method(stream->video_output, MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&stream->video_window_id); /*设置服务器端 视频监视filter,将其连接至视频Mixer输出最后的端口上*/ ms_filter_link (stream->video_mixer,VIDEO_MIXER_MAX_OUTPUTS-1, stream->video_output, 0); } /*输出录制端口*/ { int video_mixer_pin = VIDEO_MIXER_MAX_OUTPUTS-2; stream->video_record_sink = ms_filter_new(MS_CONF_ITC_SINK_ID); ms_filter_link(stream->video_mixer,video_mixer_pin,stream->video_record_sink,0); } /*创建无信号输出时,显示的图片*/ stream->video_static_image = ms_web_cam_create_reader(get_image_webcam_device()); if(stream->static_image_path!=NULL) ms_filter_call_method(stream->video_static_image, MS_STATIC_IMAGE_SET_IMAGE,(void *)stream->static_image_path); ms_filter_call_method(stream->video_static_image, MS_FILTER_SET_FPS,&stream->fps); ms_filter_call_method(stream->video_static_image,MS_FILTER_SET_VIDEO_SIZE,&stream->sent_vsize); /*并行输出至所有视频端口*/ stream->video_static_image_tee = ms_filter_new(MS_TEE_ID); ms_filter_link (stream->video_static_image, 0, stream->video_static_image_tee, 0); /*最大视频端口,需小于视频Mixer最大布局数,当前最大为 9 画面*/ int max_ports = (stream->max_ports > NB_MAX_VIDEO_LAYOUT)? NB_MAX_VIDEO_LAYOUT:stream->max_ports; int static_pic_index=0; /*创建端口连接插座*/ for(int i=0; i<max_ports; i++) { ConfVideoPort *port = video_slot_new(); video_slot_init(port,i); stream->video_ports = ms_list_append(stream->video_ports, port); /** * 视频采集输入源 和 静态图片 同时 join 至mixer的输入端口, * 当视频流有效时需MUTE 静态图片的输入,反之则输入静态图片 * * video_input -------> join ------> mixer ----> video_output * | * static_pic ----------+ * **/ ms_filter_link (port->video_itc_source, 0, port->video_input_join,0); ms_filter_link (stream->video_static_image_tee, static_pic_index++, port->video_input_join,1); /*自动布局模式下除了0号端口外,均不输出静态图片*/ if(stream->auto_layout && (static_pic_index > 0)){ ms_filter_call_method(stream->video_static_image_tee,MS_TEE_MUTE,&static_pic_index); } ms_filter_link (port->video_input_join, 0, stream->video_mixer,i); ms_filter_link (stream->video_mixer,i, port->video_itc_sink,0); } ms_ticker_attach(stream->video_ticker,stream->video_mixer); } }
int video_stream_start (VideoStream *stream, RtpProfile *profile, const char *remip, int remport, int rem_rtcp_port, int payload, int jitt_comp, MSWebCam *cam){ PayloadType *pt; RtpSession *rtps=stream->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; } rtp_session_set_profile(rtps,profile); if (remport>0) rtp_session_set_remote_addr_full(rtps,remip,remport,rem_rtcp_port); rtp_session_set_payload_type(rtps,payload); rtp_session_set_jitter_compensation(rtps,jitt_comp); rtp_session_signal_connect(stream->session,"payload_type_changed", (RtpCallback)payload_type_changed,(unsigned long)stream); rtp_session_set_recv_buf_size(stream->session,MAX_RTP_SIZE); rtp_session_get_jitter_buffer_params(stream->session,&jbp); jbp.max_packets=1000;//needed for high resolution video rtp_session_set_jitter_buffer_params(stream->session,&jbp); rtp_session_set_rtp_socket_recv_buffer_size(stream->session,socket_buf_size); rtp_session_set_rtp_socket_send_buffer_size(stream->session,socket_buf_size); if (stream->dir==VideoStreamSendRecv || stream->dir==VideoStreamSendOnly){ /*plumb the outgoing stream */ if (remport>0) ms_filter_call_method(stream->rtpsend,MS_RTP_SEND_SET_SESSION,stream->session); stream->encoder=ms_filter_create_encoder(pt->mime_type); if ((stream->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->source = ms_web_cam_create_reader(cam); stream->tee = ms_filter_new(MS_TEE_ID); if (pt->normal_bitrate>0){ ms_message("Limiting bitrate of video encoder to %i bits/s",pt->normal_bitrate); ms_filter_call_method(stream->encoder,MS_FILTER_SET_BITRATE,&pt->normal_bitrate); } if (pt->send_fmtp){ ms_filter_call_method(stream->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_filter_link (stream->source, 0, stream->pixconv, 0); ms_filter_link (stream->pixconv, 0, stream->sizeconv, 0); ms_filter_link (stream->sizeconv, 0, stream->tee, 0); ms_filter_link (stream->tee, 0 ,stream->encoder, 0 ); ms_filter_link (stream->encoder,0, stream->rtpsend,0); if (stream->output2){ if (stream->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; /*plumb the incoming stream */ stream->decoder=ms_filter_create_decoder(pt->mime_type); if ((stream->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); return -1; } stream->rtprecv = ms_filter_new (MS_RTP_RECV_ID); ms_filter_call_method(stream->rtprecv,MS_RTP_RECV_SET_SESSION,stream->session); if(stream->conf_mode==FALSE) { stream->tee2=ms_filter_new(MS_TEE_ID); stream->jpegwriter=ms_filter_new(MS_JPEG_WRITER_ID); } 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{ if(stream->conf_mode) stream->output=ms_filter_new(MS_VOID_SINK_ID); else stream->output=ms_filter_new_from_name (stream->display_name); } /* set parameters to the decoder*/ if (pt->send_fmtp){ ms_filter_call_method(stream->decoder,MS_FILTER_ADD_FMTP,pt->send_fmtp); } if (pt->recv_fmtp!=NULL) ms_filter_call_method(stream->decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp); /*force the decoder to output YUV420P */ format=MS_YUV420P; ms_filter_call_method(stream->decoder,MS_FILTER_SET_PIX_FMT,&format); /*configure the display window */ 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); } /* and connect the filters */ ms_connection_helper_start (&ch); ms_connection_helper_link (&ch,stream->rtprecv,-1,0); ms_connection_helper_link (&ch,stream->decoder,0,0); if (stream->tee2){ ms_connection_helper_link (&ch,stream->tee2,0,0); ms_filter_link(stream->tee2,1,stream->jpegwriter,0); //Êä³öÊÓƵ¼ÖÆÖ¡. if(stream->video_record) ms_filter_link(stream->tee2,2,stream->video_record,0); } 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->output2==NULL) ms_filter_link(stream->tee,1,stream->output,1); } /* create the ticker */ stream->ticker = ms_ticker_new(); ms_ticker_set_name(stream->ticker,"Video MSTicker"); //¼æÈÝPVX Ðëµ÷Õû±àÂë¼ä¸ô //stream->ticker->interval = 3; #ifdef ENABLE_UDT if(stream->enable_udt){ stream->udt = ms_filter_new(MS_UDT_TRANSPORT_ID); ms_filter_call_method(stream->udt,MS_UDT_SET_RTP_SESSION,stream->session); } #endif //ENABLE_UDT /* attach the graphs */ if (stream->source) ms_ticker_attach (stream->ticker, stream->source); if (stream->rtprecv) ms_ticker_attach (stream->ticker, stream->rtprecv); #ifdef ENABLE_UDT //×îºóÔËÐУ¬±ÜÃâ×èÈûUI if (stream->udt) ms_ticker_attach (stream->ticker, stream->udt); #endif // ENABLE_UDT return 0; }