static void audiosource_traverse(GF_Node *node, void *rs, Bool is_destroy)
{
GF_TraverseState*tr_state = (GF_TraverseState*)rs;
M_AudioSource *as = (M_AudioSource *)node;
AudioSourceStack *st = (AudioSourceStack *)gf_node_get_private(node);
if (is_destroy) {
gf_sc_audio_predestroy(&st->input);
if (st->time_handle.is_registered) {
gf_sc_unregister_time_node(st->input.compositor, &st->time_handle);
}
gf_free(st);
return;
}
/*check end of stream*/
if (st->input.stream && st->input.stream_finished) {
if (gf_mo_get_loop(st->input.stream, 0)) {
gf_sc_audio_restart(&st->input);
} else if (st->is_active && gf_mo_should_deactivate(st->input.stream)) {
/*deactivate*/
audiosource_deactivate(st, as);
}
}
if (st->is_active) {
gf_sc_audio_register(&st->input, (GF_TraverseState*)rs);
}
/*store mute flag*/
st->input.is_muted = tr_state->switched_off;
}
static void audioclip_traverse(GF_Node *node, void *rs, Bool is_destroy)
{
GF_TraverseState *tr_state = (GF_TraverseState *)rs;
M_AudioClip *ac = (M_AudioClip *)node;
AudioClipStack *st = (AudioClipStack *)gf_node_get_private(node);
if (is_destroy) {
gf_sc_audio_predestroy(&st->input);
if (st->time_handle.is_registered) {
gf_sc_unregister_time_node(st->input.compositor, &st->time_handle);
}
gf_free(st);
return;
}
if (st->failure) return;
/*check end of stream*/
if (st->input.stream && st->input.stream_finished) {
if (gf_mo_get_loop(st->input.stream, ac->loop)) {
gf_sc_audio_restart(&st->input);
} else if (ac->isActive && gf_mo_should_deactivate(st->input.stream)) {
/*deactivate*/
audioclip_deactivate(st, ac);
}
}
if (ac->isActive) {
gf_sc_audio_register(&st->input, (GF_TraverseState*)rs);
}
if (st->set_duration && st->input.stream) {
ac->duration_changed = gf_mo_get_duration(st->input.stream);
gf_node_event_out_str(node, "duration_changed");
st->set_duration = 0;
}
/*store mute flag*/
st->input.is_muted = tr_state->switched_off;
}
static void svg_audio_smil_evaluate_ex(SMIL_Timing_RTI *rti, Fixed normalized_scene_time, u32 status, GF_Node *slave_audio, GF_Node *video)
{
GF_Node *audio;
SVG_audio_stack *stack;
audio = slave_audio;
if (!audio) audio = gf_smil_get_element(rti);
stack = (SVG_audio_stack *)gf_node_get_private(audio);
switch (status) {
case SMIL_TIMING_EVAL_UPDATE:
if (!stack->is_active && !stack->is_error) {
if (stack->aurl.count) {
SVGAllAttributes atts;
Bool lock_timeline = GF_FALSE;
gf_svg_flatten_attributes((SVG_Element*) (video ? video : audio), &atts);
if (atts.syncBehavior) lock_timeline = (*atts.syncBehavior == SMIL_SYNCBEHAVIOR_LOCKED) ? GF_TRUE : GF_FALSE;
if (gf_sc_audio_open(&stack->input, &stack->aurl,
atts.clipBegin ? (*atts.clipBegin) : 0.0,
atts.clipEnd ? (*atts.clipEnd) : -1.0,
lock_timeline) == GF_OK)
{
gf_mo_set_speed(stack->input.stream, FIX_ONE);
stack->is_active = GF_TRUE;
} else {
stack->is_error = GF_TRUE;
}
}
}
else if (!slave_audio && stack->input.stream_finished && (gf_smil_get_media_duration(rti) < 0) ) {
Double dur = gf_mo_get_duration(stack->input.stream);
if (dur <= 0) {
dur = gf_mo_get_last_frame_time(stack->input.stream);
dur /= 1000;
}
gf_smil_set_media_duration(rti, dur);
}
break;
case SMIL_TIMING_EVAL_REPEAT:
if (stack->is_active)
gf_sc_audio_restart(&stack->input);
break;
case SMIL_TIMING_EVAL_FREEZE:
gf_sc_audio_stop(&stack->input);
stack->is_active = GF_FALSE;
break;
case SMIL_TIMING_EVAL_REMOVE:
gf_sc_audio_stop(&stack->input);
stack->is_active = GF_FALSE;
break;
case SMIL_TIMING_EVAL_DEACTIVATE:
if (stack->is_active) {
gf_sc_audio_stop(&stack->input);
gf_sc_audio_unregister(&stack->input);
stack->is_active = GF_FALSE;
}
break;
}
}
