RingStream * ring_start_with_cb(const char *file,int interval,MSSndCard *sndcard, MSFilterNotifyFunc func,void * user_data)
{
RingStream *stream;
int tmp;
stream=(RingStream *)ms_new0(RingStream,1);
stream->source=ms_filter_new(MS_FILE_PLAYER_ID);
if (ms_filter_call_method(stream->source,MS_FILE_PLAYER_OPEN,(void*)file)<0){
ms_filter_destroy(stream->source);
ms_free(stream);
return NULL;
}
ms_filter_call_method(stream->source,MS_FILE_PLAYER_LOOP,&interval);
ms_filter_call_method_noarg(stream->source,MS_FILE_PLAYER_START);
if (func!=NULL)
ms_filter_set_notify_callback(stream->source,func,user_data);
stream->sndwrite=ms_snd_card_create_writer(sndcard);
ms_filter_call_method(stream->source,MS_FILTER_GET_SAMPLE_RATE,&tmp);
ms_filter_call_method(stream->sndwrite,MS_FILTER_SET_SAMPLE_RATE,&tmp);
ms_filter_call_method(stream->source,MS_FILTER_GET_NCHANNELS,&tmp);
ms_filter_call_method(stream->sndwrite,MS_FILTER_SET_NCHANNELS,&tmp);
stream->ticker=ms_ticker_new();
ms_ticker_set_name(stream->ticker,"Audio (ring) MSTicker");
ms_filter_link(stream->source,0,stream->sndwrite,0);
ms_ticker_attach(stream->ticker,stream->source);
return stream;
}
int local_sound_card_start(ConfSoundCard *sndcard, MSSndCard *playcard, MSSndCard *captcard,int sample_rate)
{
if(!playcard || !captcard) return -1;
sndcard->capture_card=ms_snd_card_create_reader(captcard);
if(sndcard->capture_card!=NULL)
ms_filter_call_method(sndcard->capture_card,MS_FILTER_SET_SAMPLE_RATE,&sample_rate);
sndcard->playback_card=ms_snd_card_create_writer(playcard);
if(sndcard->playback_card!=NULL)
ms_filter_call_method(sndcard->playback_card,MS_FILTER_SET_SAMPLE_RATE,&sample_rate);
sndcard->itc_source = ms_filter_new(MS_CONF_ITC_SOURCE_ID);
sndcard->itc_sink = ms_filter_new(MS_CONF_ITC_SINK_ID);
ms_filter_link(sndcard->capture_card,0,sndcard->itc_sink,0);
ms_filter_link(sndcard->itc_source,0,sndcard->playback_card,0);
sndcard->ticker = ms_ticker_new();
ms_ticker_set_name(sndcard->ticker,"Local Sound Card MSTicker");
ms_ticker_attach(sndcard->ticker,sndcard->capture_card);
ms_ticker_attach(sndcard->ticker,sndcard->itc_source);
return 0;
}
MSAudioConference * ms_audio_conference_new(const MSAudioConferenceParams *params){
MSAudioConference *obj=ms_new0(MSAudioConference,1);
int tmp=1;
obj->ticker=ms_ticker_new();
ms_ticker_set_name(obj->ticker,"Audio conference MSTicker");
ms_ticker_set_priority(obj->ticker,__ms_get_default_prio(FALSE));
obj->mixer=ms_filter_new(MS_AUDIO_MIXER_ID);
obj->params=*params;
ms_filter_call_method(obj->mixer,MS_AUDIO_MIXER_ENABLE_CONFERENCE_MODE,&tmp);
ms_filter_call_method(obj->mixer,MS_FILTER_SET_SAMPLE_RATE,&obj->params.samplerate);
return obj;
}
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_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);
}
RingStream * ring_start_with_cb(const char *file,int interval,MSSndCard *sndcard, MSFilterNotifyFunc func,void * user_data)
{
RingStream *stream;
int tmp;
int srcrate,dstrate;
MSConnectionHelper h;
stream=(RingStream *)ms_new0(RingStream,1);
stream->source=ms_filter_new(MS_FILE_PLAYER_ID);
if (file)
ms_filter_call_method(stream->source,MS_FILE_PLAYER_OPEN,(void*)file);
ms_filter_call_method(stream->source,MS_FILE_PLAYER_LOOP,&interval);
ms_filter_call_method_noarg(stream->source,MS_FILE_PLAYER_START);
if (func!=NULL)
ms_filter_set_notify_callback(stream->source,func,user_data);
stream->gendtmf=ms_filter_new(MS_DTMF_GEN_ID);
stream->sndwrite=ms_snd_card_create_writer(sndcard);
ms_filter_call_method(stream->source,MS_FILTER_GET_SAMPLE_RATE,&srcrate);
ms_filter_call_method(stream->gendtmf,MS_FILTER_SET_SAMPLE_RATE,&srcrate);
ms_filter_call_method(stream->sndwrite,MS_FILTER_SET_SAMPLE_RATE,&srcrate);
ms_filter_call_method(stream->sndwrite,MS_FILTER_GET_SAMPLE_RATE,&dstrate);
if (srcrate!=dstrate){
stream->write_resampler=ms_filter_new(MS_RESAMPLE_ID);
ms_filter_call_method(stream->write_resampler,MS_FILTER_SET_SAMPLE_RATE,&srcrate);
ms_filter_call_method(stream->write_resampler,MS_FILTER_SET_OUTPUT_SAMPLE_RATE,&dstrate);
ms_message("configuring resampler from rate[%i] to rate [%i]", srcrate,dstrate);
}
ms_filter_call_method(stream->source,MS_FILTER_GET_NCHANNELS,&tmp);
ms_filter_call_method(stream->gendtmf,MS_FILTER_SET_NCHANNELS,&tmp);
ms_filter_call_method(stream->sndwrite,MS_FILTER_SET_NCHANNELS,&tmp);
stream->ticker=ms_ticker_new();
ms_ticker_set_name(stream->ticker,"Audio (ring) MSTicker");
ms_connection_helper_start(&h);
ms_connection_helper_link(&h,stream->source,-1,0);
ms_connection_helper_link(&h,stream->gendtmf,0,0);
if (stream->write_resampler)
ms_connection_helper_link(&h,stream->write_resampler,0,0);
ms_connection_helper_link(&h,stream->sndwrite,0,-1);
ms_ticker_attach(stream->ticker,stream->source);
return stream;
}
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;
}
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 audio_stream_start_full(AudioStream *stream, RtpProfile *profile, const char *remip,int remport,
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->session;
PayloadType *pt;
int tmp;
MSConnectionHelper 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);
if (remport>0)
ms_filter_call_method(stream->rtpsend,MS_RTP_SEND_SET_SESSION,rtps);
stream->rtprecv=ms_filter_new(MS_RTP_RECV_ID);
ms_filter_call_method(stream->rtprecv,MS_RTP_RECV_SET_SESSION,rtps);
stream->session=rtps;
stream->dtmfgen=ms_filter_new(MS_DTMF_GEN_ID);
rtp_session_signal_connect(rtps,"telephone-event",(RtpCallback)on_dtmf_received,(unsigned long)stream);
rtp_session_signal_connect(rtps,"payload_type_changed",(RtpCallback)payload_type_changed,(unsigned long)stream);
/* creates the local part */
if (captcard!=NULL) stream->soundread=ms_snd_card_create_reader(captcard);
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) 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;
}
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("mediastream.c: No decoder available for payload %i.",payload);
return -1;
}
if (stream->el_type!=ELInactive || stream->use_gc || stream->use_ng){
stream->volsend=ms_filter_new(MS_VOLUME_ID);
stream->volrecv=ms_filter_new(MS_VOLUME_ID);
if (stream->el_type!=ELInactive){
if (stream->el_type==ELControlFull) {
/* also reduce speaker gain when no signal - same parameters as std. noise gate */
int tmp=1;
ms_filter_call_method(stream->volrecv,MS_VOLUME_ENABLE_NOISE_GATE,&tmp);
}
ms_filter_call_method(stream->volsend,MS_VOLUME_SET_PEER,stream->volrecv);
}
if (stream->use_ng){
int tmp=1;
ms_filter_call_method(stream->volsend,MS_VOLUME_ENABLE_NOISE_GATE,&tmp);
}
}
if (stream->use_agc || stream->use_nr){
int tmp=1;
if (stream->volsend==NULL)
stream->volsend=ms_filter_new(MS_VOLUME_ID);
if(stream->use_agc) ms_filter_call_method(stream->volsend,MS_VOLUME_ENABLE_AGC,&tmp);
/*Noise Reduction*/
if(stream->use_nr) ms_filter_call_method(stream->volsend,MS_VOLUME_ENABLE_NR,&tmp);
}
/* give the sound filters some properties */
if (ms_filter_call_method(stream->soundread,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate) != 0) {
/* need to add resampler*/
if (stream->read_resampler == NULL) stream->read_resampler=ms_filter_new(MS_RESAMPLE_ID);
}
if (ms_filter_call_method(stream->soundwrite,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate) != 0) {
/* need to add resampler*/
if (stream->write_resampler == NULL) stream->write_resampler=ms_filter_new(MS_RESAMPLE_ID);
}
tmp=1;
ms_filter_call_method(stream->soundwrite,MS_FILTER_SET_NCHANNELS, &tmp);
if(stream->record_enabled)
{
stream->filewriter = ms_filter_new(MS_FILE_REC_ID);
stream->recordmixer= ms_filter_new(MS_AUDIO_MIXER_ID);
stream->mic_tee = ms_filter_new(MS_TEE_ID);
stream->spk_tee = ms_filter_new(MS_TEE_ID);
ms_filter_call_method(stream->filewriter,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate);
ms_filter_call_method(stream->recordmixer,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate);
tmp=1;
ms_filter_call_method(stream->recordmixer,MS_FILTER_SET_NCHANNELS,&tmp);
}
/*configure the echo canceller if required */
if (use_ec) {
stream->ec=ms_filter_new(MS_SPEEX_EC_ID);
ms_filter_call_method(stream->ec,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate);
if (stream->ec_tail_len!=0)
ms_filter_call_method(stream->ec,MS_ECHO_CANCELLER_SET_TAIL_LENGTH,&stream->ec_tail_len);
if (stream->ec_delay!=0){
ms_filter_call_method(stream->ec,MS_ECHO_CANCELLER_SET_DELAY,&stream->ec_delay);
}else{
/*configure from latency of sound card in case it is availlable */
int latency=0;
ms_filter_call_method(stream->soundread,MS_FILTER_GET_LATENCY,&latency);
latency-=30; /*keep 30 milliseconds security margin*/
if (latency<0) latency=0;
ms_filter_call_method(stream->ec,MS_ECHO_CANCELLER_SET_DELAY,&latency);
}
if (stream->ec_framesize!=0)
ms_filter_call_method(stream->ec,MS_ECHO_CANCELLER_SET_FRAMESIZE,&stream->ec_framesize);
}
/* give the encoder/decoder some parameters*/
ms_filter_call_method(stream->encoder,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_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->encoder,MS_FILTER_SET_BITRATE,&pt->normal_bitrate);
}
ms_filter_call_method(stream->decoder,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate);
if (pt->send_fmtp!=NULL) ms_filter_call_method(stream->encoder,MS_FILTER_ADD_FMTP, (void*)pt->send_fmtp);
if (pt->recv_fmtp!=NULL) ms_filter_call_method(stream->decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp);
/*create the equalizer*/
stream->equalizer=ms_filter_new(MS_EQUALIZER_ID);
tmp=stream->eq_active;
ms_filter_call_method(stream->equalizer,MS_EQUALIZER_SET_ACTIVE,&tmp);
/*configure resampler if needed*/
if (stream->read_resampler){
audio_stream_configure_resampler(stream->read_resampler,stream->soundread,stream->rtpsend);
}
if (stream->write_resampler){
audio_stream_configure_resampler(stream->write_resampler,stream->rtprecv,stream->soundwrite);
}
/* 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->mic_tee)
ms_connection_helper_link(&h,stream->mic_tee,0,0);
if(stream->mic_tee && stream->recordmixer)
ms_filter_link(stream->mic_tee,1,stream->recordmixer,0);
ms_connection_helper_link(&h,stream->encoder,0,0);
ms_connection_helper_link(&h,stream->rtpsend,0,-1);
/*receiving graph*/
ms_connection_helper_start(&h);
ms_connection_helper_link(&h,stream->rtprecv,-1,0);
ms_connection_helper_link(&h,stream->decoder,0,0);
ms_connection_helper_link(&h,stream->dtmfgen,0,0);
if (stream->equalizer)
ms_connection_helper_link(&h,stream->equalizer,0,0);
if (stream->volrecv)
ms_connection_helper_link(&h,stream->volrecv,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);
if(stream->spk_tee)
ms_connection_helper_link(&h,stream->spk_tee,0,0);
if(stream->mic_tee && stream->recordmixer)
ms_filter_link(stream->spk_tee,1,stream->recordmixer,1);
ms_connection_helper_link(&h,stream->soundwrite,0,-1);
if (stream->filewriter && stream->spk_tee && stream->mic_tee && stream->recordmixer){
ms_filter_link(stream->recordmixer,0,stream->filewriter,0);
}
/* create ticker */
stream->ticker=ms_ticker_new();
ms_ticker_set_name(stream->ticker,"Audio MSTicker");
ms_ticker_attach(stream->ticker,stream->soundread);
ms_ticker_attach(stream->ticker,stream->rtprecv);
return 0;
}
void rec(char *filename)
{
MSFilter *f1_r,*f1_w,*record;
MSSndCard *card_capture1;
MSSndCard *card_playback1;
MSTicker *ticker1;
struct msg_st data_w;
long int msgtype = 0;
char *capt_card1=NULL,*play_card1=NULL;
int rate = 8000;
int nchan=2;
int i;
const char *alsadev=NULL;
int msgid = msgget((key_t)1234, 0666 | IPC_CREAT);
if(msgid == -1)
{
fprintf(stderr, "msgget failed with error: %d\n", errno);
exit(-1);
}
ortp_init();
ortp_set_log_level_mask(/*ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|*/ORTP_FATAL);
ms_init();
card_capture1 = ms_snd_card_manager_get_default_capture_card(ms_snd_card_manager_get());
card_playback1 = ms_snd_card_manager_get_default_playback_card(ms_snd_card_manager_get());
if (card_playback1==NULL || card_capture1==NULL)
{
if(card_playback1==NULL)
ms_error("No card. card_playback1 %s",capt_card1);
if(card_capture1==NULL)
ms_error("No card. card_capture1 %s",capt_card1);
//return -1;
}
else
{
ms_warning("card_playback1 %s|%s|%s|%d|%d|%d",card_playback1->name,card_playback1->id,card_playback1->desc->driver_type,
card_playback1->capabilities,card_playback1->latency,card_playback1->preferred_sample_rate);
}
record=ms_filter_new(MS_FILE_REC_ID);
if(ms_filter_call_method(record,MS_FILE_REC_OPEN,(void*)filename)!=0)
printf("record open file %s failed\n",filename);
f1_r=ms_snd_card_create_reader(card_capture1);
if(f1_r!=NULL&&record!=NULL)
{
if(ms_filter_call_method(f1_r, MS_FILTER_SET_SAMPLE_RATE, &rate)!=0)
printf("set sample rate f1_r failed\n");
if(ms_filter_call_method(record, MS_FILTER_SET_SAMPLE_RATE,&rate)!=0)
printf("set sample rate record failed\n");
if(ms_filter_call_method(f1_r, MS_FILTER_SET_NCHANNELS, &nchan)!=0)
printf("set nchan f1_r failed\n");
if(ms_filter_call_method(record, MS_FILTER_SET_NCHANNELS,&nchan)!=0)
printf("set nchan record failed\n");
ms_filter_call_method_noarg(record,MS_FILE_REC_START);
ticker1=ms_ticker_new();
ms_ticker_set_name(ticker1,"card1 to card2");
ms_filter_link(f1_r,0,record,0);
ms_ticker_attach(ticker1,f1_r);
msgtype=8;
while(1)
{
msgrcv(msgid, (void*)&data_w, sizeof(struct msg_st)-sizeof(long int), msgtype, IPC_NOWAIT);
if(data_w.id==1)
break;
ms_sleep(1);
}
ms_filter_call_method(record,MS_FILE_REC_STOP,NULL);
ms_filter_call_method(record,MS_FILE_REC_CLOSE,NULL);
if(ticker1) ms_ticker_detach(ticker1,f1_r);
if(f1_r&&record) ms_filter_unlink(f1_r,0,record,0);
if(ticker1) ms_ticker_destroy(ticker1);
if(f1_r) ms_filter_destroy(f1_r);
if(record) ms_filter_destroy(record);
printf("to get string from server\n");
data_w.msg_type = 7;
data_w.id=0;
char *tmp=strrchr(get_from_server(filename),'=');
if(tmp==NULL)
strcpy(data_w.text,"can not find result from server");
else
strcpy(data_w.text, tmp+1);
if(msgsnd(msgid, (void*)&data_w, 512, IPC_NOWAIT) == -1)
{
fprintf(stderr, "msgsnd failed\n");
//exit(1);
}
}
}
void playback(char *filename)
{
MSFilter *f1_w,*play;
MSSndCard *card_playback1;
MSTicker *ticker1;
int i;
int done = FALSE;
struct msg_st data_w;
long int msgtype = 0;
int rate = 16000;
int nchan=2;
int msgid = msgget((key_t)1234, 0666 | IPC_CREAT);
if(msgid == -1)
{
fprintf(stderr, "msgget failed with error: %d\n", errno);
exit(-1);
}
ortp_init();
ortp_set_log_level_mask(/*ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|*/ORTP_FATAL);
ms_init();
card_playback1 = ms_snd_card_manager_get_default_playback_card(ms_snd_card_manager_get());
if (card_playback1==NULL)
{
if(card_playback1==NULL)
ms_error("No card. card_playback");
}
else
{
ms_warning("card_playback1 %s|%s|%s|%d|%d|%d",card_playback1->name,card_playback1->id,card_playback1->desc->driver_type,
card_playback1->capabilities,card_playback1->latency,card_playback1->preferred_sample_rate);
}
play=ms_filter_new(MS_FILE_PLAYER_ID);
if(ms_filter_call_method(play,MS_FILE_PLAYER_OPEN,(void*)filename)!=0)
printf("play open file %s failed\n",filename);
ms_filter_set_notify_callback(play, fileplay_eof, &done);
f1_w=ms_snd_card_create_writer(card_playback1);
if(f1_w!=NULL&&play!=NULL)
{
ms_filter_call_method(play, MS_FILTER_GET_SAMPLE_RATE, &rate);
ms_filter_call_method(play, MS_FILTER_GET_NCHANNELS, &nchan);
if(ms_filter_call_method(f1_w, MS_FILTER_SET_SAMPLE_RATE, &rate)!=0)
printf("set sample rate f1_r failed\n");
if(ms_filter_call_method(f1_w, MS_FILTER_SET_NCHANNELS,&nchan)!=0)
printf("set sample rate record failed\n");
ms_filter_call_method_noarg(play,MS_FILE_PLAYER_START);
ticker1=ms_ticker_new();
ms_ticker_set_name(ticker1,"card1 to card2");
ms_filter_link(play,0,f1_w,0);
ms_ticker_attach(ticker1,play);
while (done != TRUE) {
ms_usleep(10000);
}
ms_filter_call_method_noarg(play, MS_FILE_PLAYER_CLOSE);
if(ticker1) ms_ticker_detach(ticker1,play);
if(f1_w&&play) ms_filter_unlink(play,0,f1_w,0);
if(ticker1) ms_ticker_destroy(ticker1);
if(f1_w) ms_filter_destroy(f1_w);
if(play) ms_filter_destroy(play);
data_w.msg_type = 2; //注意2
strcpy(data_w.text, filename);
//向队列发送数据
// if(msgsnd(msgid, (void*)&data_w, 512, IPC_NOWAIT) == -1)
// {
// fprintf(stderr, "msgsnd failed\n");
// exit(1);
// }
printf("playing finished\n");
}
}
int audio_stream_start_full(AudioStream *stream, RtpProfile *profile, const char *remip,int remport,
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->session;
PayloadType *pt;
int tmp;
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);
if (remport>0)
ms_filter_call_method(stream->rtpsend,MS_RTP_SEND_SET_SESSION,rtps);
stream->rtprecv=ms_filter_new(MS_RTP_RECV_ID);
ms_filter_call_method(stream->rtprecv,MS_RTP_RECV_SET_SESSION,rtps);
stream->session=rtps;
stream->dtmfgen=ms_filter_new(MS_DTMF_GEN_ID);
rtp_session_signal_connect(rtps,"telephone-event",(RtpCallback)on_dtmf_received,(unsigned long)stream);
rtp_session_signal_connect(rtps,"payload_type_changed",(RtpCallback)payload_type_changed,(unsigned long)stream);
/* creates the local part */
if (captcard!=NULL) stream->soundread=ms_snd_card_create_reader(captcard);
else {
stream->soundread=ms_filter_new(MS_FILE_PLAYER_ID);
if (infile!=NULL) audio_stream_play(stream,infile);
}
if (playcard!=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;
}
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("mediastream.c: No decoder available for payload %i.",payload);
return -1;
}
if (use_ec) {
stream->ec=ms_filter_new(MS_SPEEX_EC_ID);
ms_filter_call_method(stream->ec,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate);
}
/* give the sound filters some properties */
ms_filter_call_method(stream->soundread,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate);
ms_filter_call_method(stream->soundwrite,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate);
tmp=1;
ms_filter_call_method(stream->soundwrite,MS_FILTER_SET_NCHANNELS, &tmp);
/* give the encoder/decoder some parameters*/
ms_filter_call_method(stream->encoder,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_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->encoder,MS_FILTER_SET_BITRATE,&pt->normal_bitrate);
}
ms_filter_call_method(stream->decoder,MS_FILTER_SET_SAMPLE_RATE,&pt->clock_rate);
if (pt->send_fmtp!=NULL) ms_filter_call_method(stream->encoder,MS_FILTER_ADD_FMTP, (void*)pt->send_fmtp);
if (pt->recv_fmtp!=NULL) ms_filter_call_method(stream->decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp);
/* and then connect all */
/* tip: draw yourself the picture if you don't understand */
if (stream->ec){
ms_filter_link(stream->soundread,0,stream->ec,1);
ms_filter_link(stream->ec,1,stream->encoder,0);
ms_filter_link(stream->dtmfgen,0,stream->ec,0);
ms_filter_link(stream->ec,0,stream->soundwrite,0);
}else{
ms_filter_link(stream->soundread,0,stream->encoder,0);
ms_filter_link(stream->dtmfgen,0,stream->soundwrite,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->dtmfgen,0);
/* create ticker */
stream->ticker=ms_ticker_new();
ms_ticker_set_name(stream->ticker,"Audio MSTicker");
ms_ticker_attach(stream->ticker,stream->soundread);
ms_ticker_attach(stream->ticker,stream->rtprecv);
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 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;
}
