static void stream_manager_delete(stream_manager_t * mgr) {
if (mgr->type==AudioStreamType){
unlink(RECORDED_16K_1S_FILE);
rtp_session_unregister_event_queue(mgr->audio_stream->ms.sessions.rtp_session,mgr->evq);
audio_stream_stop(mgr->audio_stream);
}else{
#if VIDEO_ENABLED
rtp_session_unregister_event_queue(mgr->video_stream->ms.sessions.rtp_session,mgr->evq);
video_stream_stop(mgr->video_stream);
#else
ms_fatal("Unsupported stream type [%s]",ms_stream_type_to_string(mgr->type));
#endif
}
ortp_ev_queue_destroy(mgr->evq);
ms_free(mgr);
}
static void stream_manager_delete(stream_manager_t * mgr) {
if (mgr->type==MSAudio){
if( mgr->user_data){
unlink((char*)mgr->user_data);
// don't reset user_data, it is up to the user to free() it
}
audio_stream_stop(mgr->audio_stream);
}else{
#if VIDEO_ENABLED
video_stream_stop(mgr->video_stream);
#else
ms_fatal("Unsupported stream type [%s]",ms_format_type_to_string(mgr->type));
#endif
}
ms_free(mgr);
}
void linphone_call_stop_media_streams(LinphoneCall *call){
if (call->audiostream!=NULL) {
rtp_session_unregister_event_queue(call->audiostream->session,call->audiostream_app_evq);
ortp_ev_queue_flush(call->audiostream_app_evq);
ortp_ev_queue_destroy(call->audiostream_app_evq);
if (call->audiostream->ec){
const char *state_str=NULL;
ms_filter_call_method(call->audiostream->ec,MS_ECHO_CANCELLER_GET_STATE_STRING,&state_str);
if (state_str){
ms_message("Writing echo canceller state, %i bytes",strlen(state_str));
lp_config_set_string(call->core->config,"sound","ec_state",state_str);
}
}
linphone_call_log_fill_stats (call->log,call->audiostream);
audio_stream_stop(call->audiostream);
call->audiostream=NULL;
}
#ifdef VIDEO_ENABLED
if (call->videostream!=NULL){
rtp_session_unregister_event_queue(call->videostream->session,call->videostream_app_evq);
ortp_ev_queue_flush(call->videostream_app_evq);
ortp_ev_queue_destroy(call->videostream_app_evq);
video_stream_stop(call->videostream);
call->videostream=NULL;
}
ms_event_queue_skip(call->core->msevq);
#endif
if (call->audio_profile){
rtp_profile_clear_all(call->audio_profile);
rtp_profile_destroy(call->audio_profile);
call->audio_profile=NULL;
}
if (call->video_profile){
rtp_profile_clear_all(call->video_profile);
rtp_profile_destroy(call->video_profile);
call->video_profile=NULL;
}
}
void video_stream_send_only_stop(VideoStream *vs){
video_stream_stop(vs);
}
void video_stream_recv_only_stop(VideoStream *vs){
video_stream_stop(vs);
}
void linphone_core_update_ice_from_remote_media_description(LinphoneCall *call, const SalMediaDescription *md)
{
bool_t ice_restarted = FALSE;
if ((md->ice_pwd[0] != '\0') && (md->ice_ufrag[0] != '\0')) {
int i, j;
/* Check for ICE restart and set remote credentials. */
if ((strcmp(md->addr, "0.0.0.0") == 0) || (strcmp(md->addr, "::0") == 0)) {
ice_session_restart(call->ice_session);
ice_restarted = TRUE;
} else {
for (i = 0; i < md->n_total_streams; i++) {
const SalStreamDescription *stream = &md->streams[i];
IceCheckList *cl = ice_session_check_list(call->ice_session, i);
if (cl && (strcmp(stream->rtp_addr, "0.0.0.0") == 0)) {
ice_session_restart(call->ice_session);
ice_restarted = TRUE;
break;
}
}
}
if ((ice_session_remote_ufrag(call->ice_session) == NULL) && (ice_session_remote_pwd(call->ice_session) == NULL)) {
ice_session_set_remote_credentials(call->ice_session, md->ice_ufrag, md->ice_pwd);
} else if (ice_session_remote_credentials_changed(call->ice_session, md->ice_ufrag, md->ice_pwd)) {
if (ice_restarted == FALSE) {
ice_session_restart(call->ice_session);
ice_restarted = TRUE;
}
ice_session_set_remote_credentials(call->ice_session, md->ice_ufrag, md->ice_pwd);
}
for (i = 0; i < md->n_total_streams; i++) {
const SalStreamDescription *stream = &md->streams[i];
IceCheckList *cl = ice_session_check_list(call->ice_session, i);
if (cl && (stream->ice_pwd[0] != '\0') && (stream->ice_ufrag[0] != '\0')) {
if (ice_check_list_remote_credentials_changed(cl, stream->ice_ufrag, stream->ice_pwd)) {
if (ice_restarted == FALSE) {
ice_session_restart(call->ice_session);
ice_restarted = TRUE;
}
ice_session_set_remote_credentials(call->ice_session, md->ice_ufrag, md->ice_pwd);
break;
}
}
}
/* Create ICE check lists if needed and parse ICE attributes. */
for (i = 0; i < md->n_total_streams; i++) {
const SalStreamDescription *stream = &md->streams[i];
IceCheckList *cl = ice_session_check_list(call->ice_session, i);
if ((cl == NULL) && (i < md->n_active_streams)) {
cl = ice_check_list_new();
ice_session_add_check_list(call->ice_session, cl);
switch (stream->type) {
case SalAudio:
if (call->audiostream != NULL) call->audiostream->ms.ice_check_list = cl;
break;
case SalVideo:
if (call->videostream != NULL) call->videostream->ms.ice_check_list = cl;
break;
default:
break;
}
}
if (stream->ice_mismatch == TRUE) {
ice_check_list_set_state(cl, ICL_Failed);
} else if (stream->rtp_port == 0) {
ice_session_remove_check_list(call->ice_session, cl);
#ifdef VIDEO_ENABLED
if (stream->type==SalVideo && call->videostream){
video_stream_stop(call->videostream);
call->videostream=NULL;
}
#endif
} else {
if ((stream->ice_pwd[0] != '\0') && (stream->ice_ufrag[0] != '\0'))
ice_check_list_set_remote_credentials(cl, stream->ice_ufrag, stream->ice_pwd);
for (j = 0; j < SAL_MEDIA_DESCRIPTION_MAX_ICE_CANDIDATES; j++) {
const SalIceCandidate *candidate = &stream->ice_candidates[j];
bool_t default_candidate = FALSE;
const char *addr = NULL;
int port = 0;
if (candidate->addr[0] == '\0') break;
if ((candidate->componentID == 0) || (candidate->componentID > 2)) continue;
get_default_addr_and_port(candidate->componentID, md, stream, &addr, &port);
if (addr && (candidate->port == port) && (strlen(candidate->addr) == strlen(addr)) && (strcmp(candidate->addr, addr) == 0))
default_candidate = TRUE;
ice_add_remote_candidate(cl, candidate->type, candidate->addr, candidate->port, candidate->componentID,
candidate->priority, candidate->foundation, default_candidate);
}
if (ice_restarted == FALSE) {
bool_t losing_pairs_added = FALSE;
for (j = 0; j < SAL_MEDIA_DESCRIPTION_MAX_ICE_REMOTE_CANDIDATES; j++) {
const SalIceRemoteCandidate *candidate = &stream->ice_remote_candidates[j];
const char *addr = NULL;
int port = 0;
int componentID = j + 1;
if (candidate->addr[0] == '\0') break;
get_default_addr_and_port(componentID, md, stream, &addr, &port);
if (j == 0) {
/* If we receive a re-invite and we finished ICE processing on our side, use the candidates given by the remote. */
ice_check_list_unselect_valid_pairs(cl);
}
ice_add_losing_pair(cl, j + 1, candidate->addr, candidate->port, addr, port);
losing_pairs_added = TRUE;
}
if (losing_pairs_added == TRUE) ice_check_list_check_completed(cl);
}
}
}
for (i = ice_session_nb_check_lists(call->ice_session); i > md->n_active_streams; i--) {
ice_session_remove_check_list(call->ice_session, ice_session_check_list(call->ice_session, i - 1));
}
ice_session_check_mismatch(call->ice_session);
} else {
/* Response from remote does not contain mandatory ICE attributes, delete the session. */
linphone_call_delete_ice_session(call);
return;
}
if (ice_session_nb_check_lists(call->ice_session) == 0) {
linphone_call_delete_ice_session(call);
}
}
static void run_media_streams(int localport, const char *remote_ip, int remoteport, int payload, const char *fmtp,
int jitter, int bitrate, MSVideoSize vs, bool_t ec, bool_t agc, bool_t eq)
{
AudioStream *audio=NULL;
#ifdef VIDEO_ENABLED
VideoStream *video=NULL;
#endif
RtpSession *session=NULL;
PayloadType *pt;
RtpProfile *profile=rtp_profile_clone_full(&av_profile);
OrtpEvQueue *q=ortp_ev_queue_new();
ms_init();
signal(SIGINT,stop_handler);
pt=rtp_profile_get_payload(profile,payload);
if (pt==NULL){
printf("Error: no payload defined with number %i.",payload);
exit(-1);
}
if (fmtp!=NULL) payload_type_set_send_fmtp(pt,fmtp);
if (bitrate>0) pt->normal_bitrate=bitrate;
if (pt->type!=PAYLOAD_VIDEO){
MSSndCardManager *manager=ms_snd_card_manager_get();
MSSndCard *capt= capture_card==NULL ? ms_snd_card_manager_get_default_capture_card(manager) :
ms_snd_card_manager_get_card(manager,capture_card);
MSSndCard *play= playback_card==NULL ? ms_snd_card_manager_get_default_playback_card(manager) :
ms_snd_card_manager_get_card(manager,playback_card);
audio=audio_stream_new(localport,ms_is_ipv6(remote_ip));
audio_stream_enable_automatic_gain_control(audio,agc);
audio_stream_enable_noise_gate(audio,use_ng);
audio_stream_set_echo_canceller_params(audio,ec_len_ms,ec_delay_ms,ec_framesize);
printf("Starting audio stream.\n");
audio_stream_start_full(audio,profile,remote_ip,remoteport,remoteport+1, payload, jitter,infile,outfile,
outfile==NULL ? play : NULL ,infile==NULL ? capt : NULL,infile!=NULL ? FALSE: ec);
if (audio) {
if (use_ng && ng_threshold!=-1)
ms_filter_call_method(audio->volsend,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&ng_threshold);
session=audio->session;
}
}else{
#ifdef VIDEO_ENABLED
if (eq){
ms_fatal("Cannot put an audio equalizer in a video stream !");
exit(-1);
}
printf("Starting video stream.\n");
video=video_stream_new(localport, ms_is_ipv6(remote_ip));
video_stream_set_sent_video_size(video,vs);
video_stream_use_preview_video_window(video,two_windows);
video_stream_start(video,profile,
remote_ip,
remoteport,remoteport+1,
payload,
jitter,
ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get()));
session=video->session;
#else
printf("Error: video support not compiled.\n");
#endif
}
if (eq || ec){ /*read from stdin interactive commands */
char commands[128];
commands[127]='\0';
ms_sleep(1); /* ensure following text be printed after ortp messages */
if (eq)
printf("\nPlease enter equalizer requests, such as 'eq active 1', 'eq active 0', 'eq 1200 0.1 200'\n");
if (ec)
printf("\nPlease enter echo canceller requests: ec reset; ec <delay ms> <tail_length ms'\n");
while(fgets(commands,sizeof(commands)-1,stdin)!=NULL){
int active,freq,freq_width;
int delay_ms, tail_ms;
float gain;
if (sscanf(commands,"eq active %i",&active)==1){
audio_stream_enable_equalizer(audio,active);
printf("OK\n");
}else if (sscanf(commands,"eq %i %f %i",&freq,&gain,&freq_width)==3){
audio_stream_equalizer_set_gain(audio,freq,gain,freq_width);
printf("OK\n");
}else if (sscanf(commands,"eq %i %f",&freq,&gain)==2){
audio_stream_equalizer_set_gain(audio,freq,gain,0);
printf("OK\n");
}else if (strstr(commands,"dump")){
int n=0,i;
float *t;
ms_filter_call_method(audio->equalizer,MS_EQUALIZER_GET_NUM_FREQUENCIES,&n);
t=(float*)alloca(sizeof(float)*n);
ms_filter_call_method(audio->equalizer,MS_EQUALIZER_DUMP_STATE,t);
for(i=0;i<n;++i){
if (fabs(t[i]-1)>0.01){
printf("%i:%f:0 ",(i*pt->clock_rate)/(2*n),t[i]);
}
}
printf("\nOK\n");
}else if (sscanf(commands,"ec reset %i",&active)==1){
//audio_stream_enable_equalizer(audio,active);
//printf("OK\n");
}else if (sscanf(commands,"ec active %i",&active)==1){
//audio_stream_enable_equalizer(audio,active);
//printf("OK\n");
}else if (sscanf(commands,"ec %i %i",&delay_ms,&tail_ms)==2){
audio_stream_set_echo_canceller_params(audio,tail_ms,delay_ms,128);
// revisit: workaround with old method call to force echo reset
delay_ms*=8;
ms_filter_call_method(audio->ec,MS_FILTER_SET_PLAYBACKDELAY,&delay_ms);
printf("OK\n");
}else if (strstr(commands,"quit")){
break;
}else printf("Cannot understand this.\n");
}
}else{ /* no interactive stuff - continuous debug output */
rtp_session_register_event_queue(session,q);
while(cond)
{
int n;
for(n=0;n<100;++n){
#ifdef WIN32
MSG msg;
Sleep(10);
while (PeekMessage(&msg, NULL, 0, 0,1)){
TranslateMessage(&msg);
DispatchMessage(&msg);
}
#else
struct timespec ts;
ts.tv_sec=0;
ts.tv_nsec=10000000;
nanosleep(&ts,NULL);
#endif
#if defined(VIDEO_ENABLED)
if (video) video_stream_iterate(video);
#endif
}
ortp_global_stats_display();
if (session){
printf("Bandwidth usage: download=%f kbits/sec, upload=%f kbits/sec\n",
rtp_session_compute_recv_bandwidth(session)*1e-3,
rtp_session_compute_send_bandwidth(session)*1e-3);
parse_events(q);
}
}
}
printf("stopping all...\n");
if (audio) audio_stream_stop(audio);
#ifdef VIDEO_ENABLED
if (video) video_stream_stop(video);
#endif
ortp_ev_queue_destroy(q);
rtp_profile_destroy(profile);
}
void run_media_streams(int localport, const char *remote_ip, int remoteport, int payload, const char *fmtp, int jitter, bool_t ec, int bitrate)
{
AudioStream *audio=NULL;
#ifdef VIDEO_ENABLED
VideoStream *video=NULL;
#endif
RtpSession *session=NULL;
PayloadType *pt;
RtpProfile *profile=rtp_profile_clone_full(&av_profile);
OrtpEvQueue *q=ortp_ev_queue_new();
ms_init();
signal(SIGINT,stop_handler);
pt=rtp_profile_get_payload(profile,payload);
if (pt==NULL) {
printf("Error: no payload defined with number %i.",payload);
exit(-1);
}
if (fmtp!=NULL) payload_type_set_send_fmtp(pt,fmtp);
if (bitrate>0) pt->normal_bitrate=bitrate;
if (pt->type!=PAYLOAD_VIDEO) {
printf("Starting audio stream.\n");
audio=audio_stream_start(profile,localport,remote_ip,remoteport,payload,jitter, ec);
if (audio) session=audio->session;
} else {
#ifdef VIDEO_ENABLED
printf("Starting video stream.\n");
video=video_stream_new(localport, ms_is_ipv6(remote_ip));
video_stream_start(video,profile,
remote_ip,
remoteport,
payload,
jitter,
"/dev/video0");
session=video->session;
#else
printf("Error: video support not compiled.\n");
#endif
}
rtp_session_register_event_queue(session,q);
while(cond)
{
/* sleep until we receive SIGINT */
#ifdef WIN32
int n;
MSG msg;
for(n=0; n<100; ++n) {
Sleep(10);
while (PeekMessage(&msg, NULL, 0, 0,1)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
#else
sleep(1);
#endif
ortp_global_stats_display();
if (session) {
printf("Bandwidth usage: download=%f kbits/sec, upload=%f kbits/sec\n",
rtp_session_compute_recv_bandwidth(session)*1e-3,
rtp_session_compute_send_bandwidth(session)*1e-3);
parse_events(q);
}
}
printf("stoping all...\n");
if (audio) audio_stream_stop(audio);
#ifdef VIDEO_ENABLED
if (video) video_stream_stop(video);
#endif
ortp_ev_queue_destroy(q);
rtp_profile_destroy(profile);
}
/*
* This small program starts a video stream to either
* - read an H264 video track from mkv file and stream it out with RTP to specified destination
* - receive H264 RTP packets on a local port and record them into an mkv file
*/
int main(int argc, char *argv[]){
const char *command;
const char *file;
const char *ip;
int port;
VideoStream *stream;
RtpProfile *profile;
PayloadType *pt;
Mode mode = INVALID_MODE;
int local_port = 7778;
MSFactory *factory ;
MSMediaStreamIO io = MS_MEDIA_STREAM_IO_INITIALIZER;
int err;
/*parse command line arguments*/
if (argc<4) usage(argv[0]);
command = argv[1];
if (strcasecmp(command,"play")==0) mode = PLAY_MODE;
else if (strcasecmp(command, "record")==0) mode = RECORD_MODE;
else usage(argv[0]);
file = argv[2];
if (mode == PLAY_MODE){
ip = argv[3];
if (argc<5) usage(argv[0]);
port = atoi(argv[4]);
}else{
local_port = atoi(argv[3]);
ip = "127.0.0.1"; port = 9990; /*dummy destination address, we won't send anything here anyway*/
}
/*set a signal handler to interrupt the program cleanly*/
signal(SIGINT,stop_handler);
/*initialize mediastreamer2*/
factory = ms_factory_new_with_voip();
/*create the video stream */
stream = video_stream_new(factory, local_port, local_port+1, FALSE);
/*define its local input and outputs with the MSMediaStreamIO structure*/
if (mode == PLAY_MODE){
io.input.type = MSResourceFile;
io.input.file = file; /*the file we want to stream out via rtp*/
io.output.type = MSResourceFile;
io.output.file = NULL; /*we don't set a record file in PLAY_MODE, we just want the received video stream to be ignored, if something is received*/
}else{
io.input.type = MSResourceFile;
io.input.file = NULL; /*We don't want to send anything via RTP in RECORD_MODE*/
io.output.type = MSResourceFile;
io.output.file = file; /*The file to which we want to record the received video stream*/
}
/*define the RTP profile to use: in this case we just want to use H264 codec*/
profile = rtp_profile_new("My RTP profile");
pt = payload_type_clone(&payload_type_h264);
rtp_profile_set_payload(profile, payload_type_number, pt); /*we assign H264 to payload type number payload_type_number*/
media_stream_set_target_network_bitrate(&stream->ms, 500000); /*set a target IP bitrate in bits/second */
/*By default, the VideoStream will show up a display window where the received video is played, with a local preview as well.
* If you don't need this, assign (void*)-1 as window id, which explicitely disable the display feature.*/
/*video_stream_set_native_window_id(stream, (void*)-1);*/
/*start the video stream, given the RtpProfile and "io" definition */
err = video_stream_start_from_io(stream, profile, ip, port, ip, port+1, payload_type_number, &io);
if (err !=0 ){
fprintf(stderr,"Could not start video stream.");
goto end;
}
/*Register an event handler on the player to be notified of end of file*/
ms_filter_add_notify_callback(stream->source, on_end_of_play, NULL, FALSE);
/*program's main loop*/
while (active){
/*handle video stream background activity. This is non blocking*/
video_stream_iterate(stream);
/*process event callbacks*/
ms_event_queue_pump(ms_factory_get_event_queue(factory));
ms_usleep(50000); /*pause 50ms to avoid busy loop*/
}
end:
/*stop and destroy the video stream object*/
if (stream) video_stream_stop(stream);
/*free the RTP profile and payload type inside*/
if (profile) rtp_profile_destroy(profile);
ms_factory_destroy(factory);
return err;
}
static void destroy_video_stream(video_stream_tester_t *vst) {
video_stream_stop(vst->vs);
ortp_ev_queue_destroy(vst->stats.q);
}