You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
sems/core/AmPlaylist.cpp

123 lines
2.1 KiB

#include "AmPlaylist.h"
#include "amci/codecs.h"
#include "log.h"
void AmPlaylist::updateCurrentItem()
{
if(!cur_item){
items_mut.lock();
if(!items.empty()){
cur_item = items.front();
items.pop_front();
}
items_mut.unlock();
}
}
void AmPlaylist::gotoNextItem()
{
bool had_item = false;
if(cur_item){
// if(cur_item->play)
// cur_item->play->close();
// if(cur_item->record)
// cur_item->record->close();
delete cur_item;
cur_item = 0;
had_item = true;
}
updateCurrentItem();
if(had_item && !cur_item)
ev_q->postEvent(new AmAudioEvent(AmAudioEvent::noAudio));
}
int AmPlaylist::get(unsigned int user_ts, unsigned char* buffer, unsigned int nb_samples)
{
int ret = -1;
cur_mut.lock();
updateCurrentItem();
while(cur_item &&
cur_item->play &&
(ret = cur_item->play->get(user_ts,buffer,nb_samples)) <= 0){
DBG("get: gotoNextItem\n");
gotoNextItem();
}
if(!cur_item || !cur_item->play) {
ret = samples2bytes(nb_samples);
memset(buffer,0,ret);
}
cur_mut.unlock();
return ret;
}
int AmPlaylist::put(unsigned int user_ts, unsigned char* buffer, unsigned int size)
{
int ret = -1;
cur_mut.lock();
updateCurrentItem();
while(cur_item &&
cur_item->record &&
(ret = cur_item->record->put(user_ts,buffer,size)) < 0){
DBG("put: gotoNextItem\n");
gotoNextItem();
}
if(!cur_item || !cur_item->record)
ret = size;
cur_mut.unlock();
return ret;
}
AmPlaylist::AmPlaylist(AmEventQueue* q)
: AmAudio(new AmAudioSimpleFormat(CODEC_PCM16)),
ev_q(q), cur_item(0)
{
}
AmPlaylist::~AmPlaylist()
{
}
void AmPlaylist::addToPlaylist(AmPlaylistItem* item)
{
items_mut.lock();
items.push_back(item);
items_mut.unlock();
}
void AmPlaylist::addToPlayListFront(AmPlaylistItem* item)
{
cur_mut.lock();
items_mut.lock();
if(cur_item){
items.push_front(cur_item);
cur_item = item;
}
else {
items.push_front(item);
}
items_mut.unlock();
cur_mut.unlock();
}
void AmPlaylist::close()
{
cur_mut.lock();
while(cur_item)
gotoNextItem();
cur_mut.unlock();
}