/*pause all objects*/
void MC_SetSpeed(GF_ObjectManager *odm, Fixed speed)
{
u32 i;
GF_ObjectManager *ctrl_od;
GF_Scene *in_scene;
GF_Clock *ck;
if (odm->flags & GF_ODM_NO_TIME_CTRL) return;
/*locate all objects sharing the clock*/
ck = gf_odm_get_media_clock(odm);
if (!ck) return;
in_scene = odm->parentscene;
if (odm->subscene) {
assert(odm->subscene->root_od==odm);
// assert( gf_odm_shares_clock(odm, ck) );
gf_odm_set_speed(odm, speed, GF_TRUE);
in_scene = odm->subscene;
}
i=0;
while ((ctrl_od = (GF_ObjectManager*)gf_list_enum(in_scene->resources, &i))) {
if (!gf_odm_shares_clock(ctrl_od, ck)) continue;
gf_odm_set_speed(ctrl_od, speed, GF_TRUE);
}
}
/*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);
}
}
}
/*pause all objects*/
void mediacontrol_set_speed(GF_ObjectManager *odm, Fixed speed)
{
u32 i;
GF_ObjectManager *ctrl_od;
GF_Scene *in_scene;
GF_Clock *ck;
if (odm->flags & GF_ODM_NO_TIME_CTRL) return;
/*locate all objects sharing the clock*/
ck = gf_odm_get_media_clock(odm);
if (!ck) return;
in_scene = odm->parentscene;
if (odm->subscene) {
assert(odm->subscene->root_od==odm);
in_scene = odm->subscene;
//dynamic scene with speed direction, we need to re-start everything to issue new PLAY requests
if (in_scene->is_dynamic_scene && (gf_mulfix(ck->speed, speed) < 0)) {
u32 time = gf_clock_time(ck);
gf_clock_set_speed(ck, speed);
//enable main addon
if (speed<0) {
i=0;
while ((ctrl_od = (GF_ObjectManager*)gf_list_enum(in_scene->resources, &i))) {
if (ctrl_od->addon && (ctrl_od->addon->addon_type==GF_ADDON_TYPE_MAIN)) {
gf_scene_select_main_addon(in_scene, ctrl_od, GF_TRUE, gf_clock_time(ck) );
break;
}
}
}
gf_scene_restart_dynamic(in_scene, time, 0, 1);
return;
}
gf_clock_set_speed(ck, speed);
gf_odm_set_speed(odm, speed, GF_TRUE);
}
i=0;
while ((ctrl_od = (GF_ObjectManager*)gf_list_enum(in_scene->resources, &i))) {
if (!gf_odm_shares_clock(ctrl_od, ck)) continue;
if (ctrl_od->subscene) {
mediacontrol_set_speed(ctrl_od, speed);
} else {
gf_odm_set_speed(ctrl_od, speed, GF_TRUE);
}
}
}
void mediacontrol_restart(GF_ObjectManager *odm)
{
GF_List *to_restart;
GF_ObjectManager *ctrl_od;
GF_Clock *ck, *scene_ck;
u32 i;
u32 current_seg;
#ifndef GPAC_DISABLE_VRML
MediaControlStack *ctrl;
#endif
if (!odm || (odm->flags & GF_ODM_NO_TIME_CTRL) ) return;
#ifndef GPAC_DISABLE_VRML
ctrl = gf_odm_get_mediacontrol(odm);
if (ctrl) {
/*we have a control - filter calls to only handle objects owning media control*/
ctrl_od = ctrl->stream->odm;
/*if media control owns the scene this OD refers to the scene is always restarted - TODO make that an option*/
if (!ctrl_od->subscene) {
if (ctrl->stream->odm != odm) return;
}
odm = ctrl->stream->odm;
/*this is inline restart - only possible through media control*/
if (odm->subscene && odm->subscene->root_od==ctrl->stream->odm) {
gf_inline_restart(odm->subscene);
return;
}
}
#endif
/*if clock is main scene clock do nothing*/
scene_ck = gf_odm_get_media_clock(odm->parentscene->root_od);
if (gf_odm_shares_clock(odm, scene_ck)) {
if (odm->parentscene->is_dynamic_scene)
gf_scene_restart_dynamic(odm->parentscene, 0, 0);
return;
}
/*otherwise locate all objects sharing the clock*/
ck = gf_odm_get_media_clock(odm);
if (!ck) return;
current_seg = 0;
#ifndef GPAC_DISABLE_VRML
/*store current segment idx*/
if (ctrl) {
current_seg = ctrl->current_seg;
/*if last segment is passed restart*/
if (gf_list_count(ctrl->seg) == current_seg) current_seg = 0;
}
#endif
to_restart = gf_list_new();
/*do stop/start in 2 pass, it's much cleaner for servers*/
i=0;
while ((ctrl_od = (GF_ObjectManager*)gf_list_enum(odm->parentscene->resources, &i))) {
if (!gf_odm_shares_clock(ctrl_od, ck)) continue;
/*if running, stop and collect for restart*/
if (ctrl_od->state) {
gf_odm_stop(ctrl_od, 1);
gf_list_add(to_restart, ctrl_od);
}
}
/*force clock reset since we don't know how OD ordering is done*/
gf_clock_reset(ck);
#ifndef GPAC_DISABLE_VRML
if (ctrl) ctrl->current_seg = current_seg;
#endif
/*play on all ODs collected for restart*/
i=0;
while ((ctrl_od = (GF_ObjectManager*)gf_list_enum(to_restart, &i))) {
gf_odm_start(ctrl_od, 0);
}
gf_list_del(to_restart);
}
