void gf_term_set_priority(GF_Terminal *term, s32 Priority)
{
u32 i;
CodecEntry *ce;
gf_mx_p(term->mm_mx);
gf_th_set_priority(term->mm_thread, Priority);
i=0;
while ((ce = (CodecEntry*)gf_list_enum(term->codecs, &i))) {
if (ce->flags & GF_MM_CE_THREADED)
gf_th_set_priority(ce->thread, Priority);
}
term->priority = Priority;
gf_mx_v(term->mm_mx);
}
u32 MM_Loop(void *par)
{
GF_Terminal *term = (GF_Terminal *) par;
Bool do_scene = (term->flags & GF_TERM_NO_VISUAL_THREAD) ? 1 : 0;
Bool do_codec = (term->flags & GF_TERM_NO_DECODER_THREAD) ? 0 : 1;
Bool do_regulate = (term->user->init_flags & GF_TERM_NO_REGULATION) ? 0 : 1;
gf_th_set_priority(term->mm_thread, term->priority);
GF_LOG(GF_LOG_DEBUG, GF_LOG_CORE, ("[MediaManager] Entering thread ID %d\n", gf_th_id() ));
// GF_LOG(GF_LOG_DEBUG, GF_LOG_RTI, ("(RTI] Terminal Cycle Log\tServices\tDecoders\tCompositor\tSleep\n"));
while (term->flags & GF_TERM_RUNNING) {
u32 left;
if (do_codec) left = MM_SimulationStep_Decoder(term);
else left = term->frame_duration;
if (do_scene) {
u32 time_taken = gf_sys_clock();
gf_sc_draw_frame(term->compositor);
time_taken = gf_sys_clock() - time_taken;
if (left>time_taken)
left -= time_taken;
else
left = 0;
}
if (do_regulate)
gf_sleep(left);
}
term->flags |= GF_TERM_DEAD;
return 0;
}
void gf_sc_ar_set_priority(GF_AudioRenderer *ar, u32 priority)
{
if (ar->audio_out && ar->audio_out->SelfThreaded) {
ar->audio_out->SetPriority(ar->audio_out, priority);
} else {
gf_th_set_priority(ar->th, priority);
}
}
u32 MM_Loop(void *par)
{
GF_Terminal *term = (GF_Terminal *) par;
Bool do_scene = (term->flags & GF_TERM_NO_VISUAL_THREAD) ? 1 : 0;
Bool do_codec = (term->flags & GF_TERM_NO_DECODER_THREAD) ? 0 : 1;
Bool do_regulate = (term->user->init_flags & GF_TERM_NO_REGULATION) ? 0 : 1;
gf_th_set_priority(term->mm_thread, term->priority);
GF_LOG(GF_LOG_DEBUG, GF_LOG_CORE, ("[MediaManager] Entering thread ID %d\n", gf_th_id() ));
// GF_LOG(GF_LOG_DEBUG, GF_LOG_RTI, ("(RTI] Terminal Cycle Log\tServices\tDecoders\tCompositor\tSleep\n"));
while (term->flags & GF_TERM_RUNNING) {
u32 nb_decs = 0;
u32 left = 0;
if (do_codec) left = MM_SimulationStep_Decoder(term, &nb_decs);
else left = term->frame_duration;
if (do_scene) {
u32 ms_until_next=0;
u32 time_taken = gf_sys_clock();
gf_sc_draw_frame(term->compositor, &ms_until_next);
time_taken = gf_sys_clock() - time_taken;
if (ms_until_next<term->frame_duration/2) {
left = 0;
} else if (left>time_taken)
left -= time_taken;
else
left = 0;
}
if (do_regulate) {
if (term->bench_mode) {
gf_sleep(0);
} else {
if (left==term->frame_duration) {
//if nothing was done during this pass but we have active decoder, just yield. We don't want to sleep since
//composition memory could be released at any time. We should have a signal here, rather than a wait
gf_sleep(nb_decs ? 0 : term->frame_duration/2);
}
}
}
}
term->flags |= GF_TERM_DEAD;
return 0;
}
/*NOTE: when starting/stoping a decoder we only lock the decoder mutex, NOT the media manager. This
avoids deadlocking in case a system codec waits for the scene graph and the compositor requests
a stop/start on a media*/
void gf_term_start_codec(GF_Codec *codec, Bool is_resume)
{
GF_CodecCapability cap;
CodecEntry *ce;
GF_Terminal *term = codec->odm->term;
if (!gf_list_count(codec->odm->channels)) return;
ce = mm_get_codec(term->codecs, codec);
if (!ce) return;
/*lock dec*/
if (ce->mx) gf_mx_p(ce->mx);
/*clean decoder memory and wait for RAP*/
if (codec->CB) gf_cm_reset(codec->CB);
if (!is_resume) {
cap.CapCode = GF_CODEC_WAIT_RAP;
gf_codec_set_capability(codec, cap);
if (codec->decio && (codec->decio->InterfaceType == GF_SCENE_DECODER_INTERFACE)) {
cap.CapCode = GF_CODEC_SHOW_SCENE;
cap.cap.valueInt = 1;
gf_codec_set_capability(codec, cap);
}
}
gf_codec_set_status(codec, GF_ESM_CODEC_PLAY);
if (!(ce->flags & GF_MM_CE_RUNNING)) {
ce->flags |= GF_MM_CE_RUNNING;
if (ce->thread) {
gf_th_run(ce->thread, RunSingleDec, ce);
gf_th_set_priority(ce->thread, term->priority);
} else {
term->cumulated_priority += ce->dec->Priority+1;
}
}
/*unlock dec*/
if (ce->mx)
gf_mx_v(ce->mx);
}
void gf_term_set_threading(GF_Terminal *term, u32 mode)
{
u32 i;
Bool thread_it, restart_it;
CodecEntry *ce;
switch (mode) {
case GF_TERM_THREAD_SINGLE:
if (term->flags & GF_TERM_SINGLE_THREAD) return;
term->flags &= ~GF_TERM_MULTI_THREAD;
term->flags |= GF_TERM_SINGLE_THREAD;
break;
case GF_TERM_THREAD_MULTI:
if (term->flags & GF_TERM_MULTI_THREAD) return;
term->flags &= ~GF_TERM_SINGLE_THREAD;
term->flags |= GF_TERM_MULTI_THREAD;
break;
default:
if (!(term->flags & (GF_TERM_MULTI_THREAD | GF_TERM_SINGLE_THREAD) ) ) return;
term->flags &= ~GF_TERM_SINGLE_THREAD;
term->flags &= ~GF_TERM_MULTI_THREAD;
break;
}
gf_mx_p(term->mm_mx);
i=0;
while ((ce = (CodecEntry*)gf_list_enum(term->codecs, &i))) {
thread_it = 0;
/*free mode, decoder wants threading - do */
if ((mode == GF_TERM_THREAD_FREE) && (ce->flags & GF_MM_CE_REQ_THREAD)) thread_it = 1;
else if (mode == GF_TERM_THREAD_MULTI) thread_it = 1;
if (thread_it && (ce->flags & GF_MM_CE_THREADED)) continue;
if (!thread_it && !(ce->flags & GF_MM_CE_THREADED)) continue;
restart_it = 0;
if (ce->flags & GF_MM_CE_RUNNING) {
restart_it = 1;
ce->flags &= ~GF_MM_CE_RUNNING;
}
if (ce->flags & GF_MM_CE_THREADED) {
/*wait for thread to die*/
while (!(ce->flags & GF_MM_CE_DEAD)) gf_sleep(1);
ce->flags &= ~GF_MM_CE_DEAD;
gf_th_del(ce->thread);
ce->thread = NULL;
gf_mx_del(ce->mx);
ce->mx = NULL;
ce->flags &= ~GF_MM_CE_THREADED;
} else {
term->cumulated_priority -= ce->dec->Priority+1;
}
if (thread_it) {
ce->flags |= GF_MM_CE_THREADED;
ce->thread = gf_th_new(ce->dec->decio->module_name);
ce->mx = gf_mx_new(ce->dec->decio->module_name);
}
if (restart_it) {
ce->flags |= GF_MM_CE_RUNNING;
if (ce->thread) {
gf_th_run(ce->thread, RunSingleDec, ce);
gf_th_set_priority(ce->thread, term->priority);
} else {
term->cumulated_priority += ce->dec->Priority+1;
}
}
}
gf_mx_v(term->mm_mx);
}
