void svg_pause_animation(GF_Node *n, Bool pause)
{
SVGlinkStack *st = gf_node_get_private(n);
if (!st) return;
if (pause) gf_mo_pause(st->resource);
else gf_mo_resume(st->resource);
}
void svg_pause_audio(GF_Node *n, Bool pause)
{
SVG_audio_stack *st = (SVG_audio_stack *)gf_node_get_private(n);
if (!st) return;
if (pause) gf_mo_pause(st->input.stream);
else gf_mo_resume(st->input.stream);
}
static void svg_animation_smil_update(GF_Node *node, SVGlinkStack *stack, Fixed normalized_scene_time)
{
if (stack->init_vis_state == 3) {
stack->init_vis_state = 4;
gf_mo_resume(stack->resource);
} else if (stack->needs_play || (gf_node_dirty_get(node) & GF_SG_SVG_XLINK_HREF_DIRTY )) {
SVGAllAttributes all_atts;
Double clipBegin, clipEnd;
GF_MediaObject *new_res;
gf_svg_flatten_attributes((SVG_Element *)node, &all_atts);
clipBegin = all_atts.clipBegin ? *all_atts.clipBegin : 0;
clipEnd = all_atts.clipEnd ? *all_atts.clipEnd : -1;
if (stack->needs_play) {
gf_mo_play(stack->resource, clipBegin, clipEnd, 0);
stack->needs_play = 0;
} else {
Bool primary = all_atts.gpac_useAsPrimary ? *all_atts.gpac_useAsPrimary : 1;
new_res = gf_mo_load_xlink_resource(node, primary, clipBegin, clipEnd);
if (new_res != stack->resource) {
if (stack->resource) gf_mo_unload_xlink_resource(node, stack->resource);
if (all_atts.xlink_href) all_atts.xlink_href->target = NULL;
stack->resource = new_res;
stack->fragment_id = NULL;
stack->inline_sg = NULL;
}
gf_node_dirty_clear(node, 0);
}
}
}
static void movietexture_activate(MovieTextureStack *stack, M_MovieTexture *mt, Double scene_time)
{
mt->isActive = 1;
gf_node_event_out((GF_Node*)mt, 8/*"isActive"*/);
if (!stack->txh.is_open) {
scene_time -= mt->startTime;
gf_sc_texture_play_from_to(&stack->txh, &mt->url, scene_time, -1, gf_mo_get_loop(stack->txh.stream, mt->loop), 0);
} else if (stack->first_frame_fetched) {
gf_mo_resume(stack->txh.stream);
}
gf_mo_set_speed(stack->txh.stream, mt->speed);
}
static void movietexture_update_time(GF_TimeNode *st)
{
Double time;
M_MovieTexture *mt = (M_MovieTexture *)st->udta;
MovieTextureStack *stack = (MovieTextureStack *)gf_node_get_private(st->udta);
/*not active, store start time and speed*/
if ( ! mt->isActive) {
stack->start_time = mt->startTime;
}
time = gf_node_get_scene_time(st->udta);
if (time < stack->start_time ||
/*special case if we're getting active AFTER stoptime */
(!mt->isActive && (mt->stopTime > stack->start_time) && (time>=mt->stopTime))
// || (!stack->start_time && !stack->is_x3d && !mt->loop)
) {
/*opens stream only at first access to fetch first frame*/
if (stack->fetch_first_frame) {
stack->fetch_first_frame = 0;
if (!stack->txh.is_open)
gf_sc_texture_play(&stack->txh, &mt->url);
else
gf_mo_resume(stack->txh.stream);
}
return;
}
if (movietexture_get_speed(stack, mt) && mt->isActive) {
/*if stoptime is reached (>startTime) deactivate*/
if ((mt->stopTime > stack->start_time) && (time >= mt->stopTime) ) {
movietexture_deactivate(stack, mt);
return;
}
}
/*we're (about to be) active: VRML:
"A time-dependent node is inactive until its startTime is reached. When time now becomes greater than or
equal to startTime, an isActive TRUE event is generated and the time-dependent node becomes active */
if (! mt->isActive) movietexture_activate(stack, mt, time);
stack->txh.stream_finished = GF_FALSE;
}
