static PyObject *
MediaControl_pause( PyObject *self, PyObject *args )
{
mediacontrol_Exception *exception = NULL;
Py_BEGIN_ALLOW_THREADS
MC_TRY;
mediacontrol_pause( LIBVLC_MC(self), exception );
Py_END_ALLOW_THREADS
MC_EXCEPT;
Py_INCREF( Py_None );
return Py_None;
}
/*pause all objects*/
void mediacontrol_pause(GF_ObjectManager *odm)
{
u32 i;
GF_ObjectManager *ctrl_od;
GF_Scene *in_scene;
GF_Clock *ck;
if (odm->flags & GF_ODM_NO_TIME_CTRL) return;
/*otherwise locate all objects sharing the clock*/
ck = gf_odm_get_media_clock(odm);
if (!ck) {
odm->flags |= GF_ODM_PAUSE_QUEUED;
return;
}
in_scene = odm->parentscene;
if (odm->subscene) {
assert(odm->subscene->root_od==odm);
assert(odm->subscene->is_dynamic_scene || gf_odm_shares_clock(odm, ck) );
/*pause root*/
gf_odm_pause(odm);
in_scene = odm->subscene;
}
i=0;
while ((ctrl_od = (GF_ObjectManager*)gf_list_enum(in_scene->resources, &i))) {
if (!odm->subscene && !gf_odm_shares_clock(ctrl_od, ck))
continue;
if (ctrl_od->addon && (ctrl_od->addon->addon_type==GF_ADDON_TYPE_MAIN)) {
gf_clock_pause(ck);
gf_scene_select_main_addon(in_scene, ctrl_od, GF_TRUE, gf_clock_time(ck) );
}
if (ctrl_od->subscene) {
mediacontrol_pause(ctrl_od);
} else {
gf_odm_pause(ctrl_od);
}
}
}
GF_EXPORT
void gf_term_download_update_stats(GF_DownloadSession * sess)
{
GF_ClientService *serv;
const char *szURI;
u32 total_size, bytes_done, net_status, bytes_per_sec;
if (!sess) return;
gf_dm_sess_get_stats(sess, NULL, &szURI, &total_size, &bytes_done, &bytes_per_sec, &net_status);
serv = (GF_ClientService *)gf_dm_sess_get_private(sess);
switch (net_status) {
case GF_NETIO_SETUP:
gf_term_on_message(serv, GF_OK, "Connecting");
break;
case GF_NETIO_CONNECTED:
gf_term_on_message(serv, GF_OK, "Connected");
break;
case GF_NETIO_WAIT_FOR_REPLY:
gf_term_on_message(serv, GF_OK, "Waiting for reply...");
break;
case GF_NETIO_PARSE_REPLY:
gf_term_on_message(serv, GF_OK, "Starting download...");
break;
case GF_NETIO_DATA_EXCHANGE:
/*notify some connection / ...*/
if (total_size) {
GF_Event evt;
evt.type = GF_EVENT_PROGRESS;
evt.progress.progress_type = 1;
evt.progress.service = szURI;
evt.progress.total = total_size;
evt.progress.done = bytes_done;
evt.progress.bytes_per_seconds = bytes_per_sec;
gf_term_send_event(serv->term, &evt);
}
GF_LOG(GF_LOG_DEBUG, GF_LOG_NETWORK, ("[HTTP] %s received %d / %d\n", szURI, bytes_done, total_size));
gf_term_service_media_event_with_download(serv->owner, GF_EVENT_MEDIA_PROGRESS, bytes_done, total_size, bytes_per_sec);
/*JLF fix this*/
if (0&& (serv->download_rebuffer || serv->auto_rebuffer) && serv->owner && !(serv->owner->flags & GF_ODM_DESTROYED) && serv->owner->duration) {
GF_Clock *ck = gf_odm_get_media_clock(serv->owner);
Double download_percent, playback_percent, adj_percent;
download_percent = 100 * bytes_done;
download_percent /= total_size;
playback_percent = 100 * serv->owner->current_time;
playback_percent /= serv->owner->duration;
if (serv->auto_rebuffer)
adj_percent = 0.0;
else
adj_percent = 100.0 * serv->download_rebuffer / serv->owner->duration;
if (playback_percent >= download_percent) {
if (gf_clock_is_started(ck)) {
GF_LOG(GF_LOG_INFO, GF_LOG_NETWORK, ("[HTTP Resource] Played %d %% but downloaded %d %% - Pausing\n", (u32) playback_percent, (u32) download_percent));
if (!serv->is_paused) {
serv->is_paused = 1;
mediacontrol_pause(serv->owner);
}
gf_term_service_media_event(serv->owner, GF_EVENT_MEDIA_WAITING);
gf_term_on_message(serv, GF_OK, "HTTP Buffering ...");
}
} else if (playback_percent + adj_percent <= download_percent) {
Double time_to_play = 0;
Double time_to_download = 0;
/*automatic rebuffer: make sure we can finish playback before resuming*/
if (serv->auto_rebuffer) {
if (bytes_per_sec) {
time_to_download = 1000.0*(total_size - bytes_done);
time_to_download /= bytes_per_sec;
}
time_to_play = (Double) serv->owner->duration;
time_to_play -= serv->owner->current_time;
}
if ((time_to_download<=time_to_play) && !gf_clock_is_started(ck)) {
GF_LOG(GF_LOG_INFO, GF_LOG_NETWORK, ("[HTTP Resource] Played %d %% and downloaded %d %% - Resuming\n", (u32) playback_percent, (u32) download_percent));
if (serv->auto_rebuffer) {
GF_LOG(GF_LOG_INFO, GF_LOG_NETWORK, ("[HTTP Resource] Auto-rebuffer done: should be done downloading in %d ms and remains %d ms to play\n", (u32) time_to_download, (u32) (serv->owner->duration - serv->owner->current_time) ));
}
gf_term_service_media_event(serv->owner, GF_EVENT_MEDIA_PLAYING);
if (serv->is_paused) {
serv->is_paused = 0;
mediacontrol_resume(serv->owner);
}
gf_term_on_message(serv, GF_OK, "HTTP Resuming playback");
}
}
}
break;
case GF_NETIO_DATA_TRANSFERED:
gf_term_service_media_event(serv->owner, GF_EVENT_MEDIA_LOAD_DONE);
if (serv->owner && !(serv->owner->flags & GF_ODM_DESTROYED) && serv->owner->duration) {
GF_Clock *ck = gf_odm_get_media_clock(serv->owner);
if (!gf_clock_is_started(ck)) {
GF_LOG(GF_LOG_INFO, GF_LOG_NETWORK, ("[HTTP Resource] Done retrieving file - resuming playback\n"));
if (serv->is_paused) {
serv->is_paused = 0;
mediacontrol_resume(serv->owner);
}
}
}
break;
}
}
void RenderMediaControl(GF_Node *node, void *rs, Bool is_destroy)
{
Bool shall_restart, need_restart;
GF_MediaObject *prev;
GF_ObjectManager *odm;
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
MediaControlStack *stack =(MediaControlStack *) gf_node_get_private(node);
if (is_destroy) {
GF_ObjectManager *odm;
MediaControlStack *stack = (MediaControlStack *) gf_node_get_private(node);
/*reset ODM using this control*/
if (stack->stream) {
if (stack->stream->odm) {
odm = stack->stream->odm;
gf_odm_remove_mediacontrol(odm, stack);
}
/*also removes the association ck<->MC if the object has been destroyed before the node*/
if (stack->ck) stack->ck->mc = NULL;
}
gf_list_del(stack->seg);
gf_sg_vrml_mf_reset(&stack->url, GF_SG_VRML_MFURL);
gf_free(stack);
return;
}
//we need to disable culling otherwise we may never be called back again ...
tr_state->disable_cull = 1;
/*not changed nothing to do - note we need to register with stream yet for control switching...*/
if (stack->stream && (!stack->changed || !stack->control->enabled)) return;
need_restart = (stack->changed==2) ? 1 : 0;
shall_restart = (stack->control->mediaStartTime>=0) ? 1 : 0;
/*check url target*/
if (stack->stream) {
if (MC_URLChanged(&stack->url, &stack->control->url)) {
gf_sg_vrml_mf_reset(&stack->url, GF_SG_VRML_MFURL);
prev = stack->stream;
if (gf_list_find(stack->parent->scene_objects, prev)<0)
prev = NULL;
stack->stream = gf_scene_get_media_object(stack->parent, &stack->control->url, GF_MEDIA_OBJECT_UNDEF, 0);
if (stack->stream) {
if (!stack->stream->odm) return;
/*MediaControl on inline: if dynamic scene, make sure it is connected before attaching...*/
if (stack->stream->odm->subscene) {
if (stack->stream->odm->subscene->is_dynamic_scene && !stack->stream->odm->subscene->dyn_ck) return;
}
gf_sg_vrml_field_copy(&stack->url, &stack->control->url, GF_SG_VRML_MFURL);
/*remove from prev*/
if (prev && prev->odm && (prev != stack->stream)) gf_odm_remove_mediacontrol(prev->odm, stack);
/*register with new*/
/*if we assigned the media control to an exiting object - force the state of the object*/
gf_odm_set_mediacontrol((GF_ObjectManager *) stack->stream->odm, stack);
while (gf_list_count(stack->seg)) gf_list_rem(stack->seg, 0);
gf_odm_init_segments((GF_ObjectManager *) stack->stream->odm, stack->seg, &stack->control->url);
stack->current_seg = 0;
//do not restart if no mediaStartTime and speed is 1
if ((stack->control->mediaStartTime>0) || gf_list_count(stack->seg) || (stack->control->mediaSpeed != FIX_ONE) ) {
shall_restart = need_restart = 1;
} else {
shall_restart = need_restart = 0;
//URL changed, we are by default in PLAY mode.
stack->media_speed = 1;
}
stack->ck = gf_odm_get_media_clock(stack->stream->odm);
}
/*control has been removed and we were paused, resume*/
else if (stack->paused) {
mediacontrol_resume((GF_ObjectManager *) prev->odm, 0);
stack->paused = 0;
}
/*MediaControl has been detached*/
else {
if (prev)
gf_odm_remove_mediacontrol(prev->odm, stack);
return;
}
}
} else {
stack->stream = gf_scene_get_media_object(stack->parent, &stack->control->url, GF_MEDIA_OBJECT_UNDEF, 0);
if (!stack->stream || !stack->stream->odm) {
if (stack->control->url.count) gf_term_invalidate_compositor(stack->parent->root_od->term);
stack->stream = NULL;
stack->changed = 0;
return;
}
stack->ck = gf_odm_get_media_clock(stack->stream->odm);
/*OD not ready yet*/
if (!stack->ck) {
stack->stream = NULL;
if (stack->control->url.count) {
stack->is_init = 0;
gf_term_invalidate_compositor(stack->parent->root_od->term);
}
return;
}
gf_sg_vrml_field_copy(&stack->url, &stack->control->url, GF_SG_VRML_MFURL);
gf_odm_set_mediacontrol((GF_ObjectManager *) stack->stream->odm, stack);
while (gf_list_count(stack->seg)) gf_list_rem(stack->seg, 0);
gf_odm_init_segments((GF_ObjectManager *) stack->stream->odm, stack->seg, &stack->control->url);
stack->current_seg = 0;
/*we shouldn't have to restart unless start/stop times have been changed, which is tested below*/
need_restart = 0;
}
if (!stack->changed || !stack->control->enabled || !stack->stream) return;
/*if not previously enabled and now enabled, switch all other controls off and reactivate*/
if (!stack->enabled) {
stack->enabled = 1;
need_restart = gf_odm_switch_mediacontrol(stack->stream->odm, stack);
}
stack->changed = 0;
if (!stack->control->mediaSpeed) shall_restart = 0;
odm = (GF_ObjectManager *)stack->stream->odm;
/*check for changes*/
if (!stack->is_init) {
/*not linked yet*/
if (!odm) return;
stack->media_speed = stack->control->mediaSpeed;
stack->enabled = stack->control->enabled;
stack->media_start = stack->control->mediaStartTime;
stack->media_stop = stack->control->mediaStopTime;
stack->is_init = 1;
stack->paused = 0;
/*the object has already been started, and media start time is not 0, restart*/
if (stack->stream->num_open) {
if ( (stack->media_start > 0) || (gf_list_count(stack->seg)>0 ) || (stack->media_speed!=FIX_ONE ) ) {
mediacontrol_restart(odm);
} else if (stack->media_speed == 0) {
mediacontrol_pause(odm);
stack->paused = 1;
}
}
return;
}
if (stack->media_speed != stack->control->mediaSpeed) {
/*if no speed pause*/
if (!stack->control->mediaSpeed && !stack->paused) {
mediacontrol_pause(odm);
stack->paused = 1;
}
/*else resume if paused*/
else if (stack->control->mediaSpeed && stack->paused) {
mediacontrol_resume(odm, 0);
stack->paused = 0;
need_restart += shall_restart;
}
/*else set speed*/
else if (stack->media_speed && stack->control->mediaSpeed) {
/*don't set speed if we have to restart the media ...*/
if (!shall_restart) MC_SetSpeed(odm, stack->control->mediaSpeed);
need_restart += shall_restart;
}
/*init state was paused*/
else if (!stack->media_speed) {
need_restart ++;
}
stack->media_speed = stack->control->mediaSpeed;
}
/*check start/stop changes*/
if (stack->media_start != stack->control->mediaStartTime) {
stack->media_start = stack->control->mediaStartTime;
need_restart += shall_restart;
}
/*stop change triggers restart no matter what (new range) if playing*/
if (stack->media_stop != stack->control->mediaStopTime) {
stack->media_stop = stack->control->mediaStopTime;
if (stack->control->mediaSpeed) need_restart = 1;
}
if (need_restart) {
mediacontrol_restart(odm);
}
/*handle preroll*/
}
