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167 lines
3.4 KiB
167 lines
3.4 KiB
/*
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* $Id$
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*
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* Copyright (C) 2002-2003 Fhg Fokus
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*
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* This file is part of sems, a free SIP media server.
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*
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* sems is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* sems is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "AmPlaylist.h"
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#include "amci/codecs.h"
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#include "log.h"
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void AmPlaylist::updateCurrentItem()
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{
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if(!cur_item){
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items_mut.lock();
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if(!items.empty()){
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cur_item = items.front();
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items.pop_front();
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}
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items_mut.unlock();
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}
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}
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void AmPlaylist::gotoNextItem()
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{
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bool had_item = false;
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if(cur_item){
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// if(cur_item->play)
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// cur_item->play->close();
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// if(cur_item->record)
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// cur_item->record->close();
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delete cur_item;
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cur_item = 0;
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had_item = true;
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}
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updateCurrentItem();
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if(had_item && !cur_item){
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DBG("posting AmAudioEvent::noAudio event!\n");
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ev_q->postEvent(new AmAudioEvent(AmAudioEvent::noAudio));
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}
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}
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int AmPlaylist::get(unsigned int user_ts, unsigned char* buffer, unsigned int nb_samples)
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{
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int ret = -1;
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cur_mut.lock();
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updateCurrentItem();
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while(cur_item &&
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cur_item->play &&
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(ret = cur_item->play->get(user_ts,buffer,nb_samples)) <= 0){
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DBG("get: gotoNextItem\n");
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gotoNextItem();
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}
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if(!cur_item || !cur_item->play) {
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ret = samples2bytes(nb_samples);
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memset(buffer,0,ret);
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}
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cur_mut.unlock();
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return ret;
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}
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int AmPlaylist::put(unsigned int user_ts, unsigned char* buffer, unsigned int size)
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{
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int ret = -1;
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cur_mut.lock();
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updateCurrentItem();
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while(cur_item &&
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cur_item->record &&
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(ret = cur_item->record->put(user_ts,buffer,size)) < 0){
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DBG("put: gotoNextItem\n");
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gotoNextItem();
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}
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if(!cur_item || !cur_item->record)
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ret = size;
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cur_mut.unlock();
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return ret;
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}
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AmPlaylist::AmPlaylist(AmEventQueue* q)
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: AmAudio(new AmAudioSimpleFormat(CODEC_PCM16)),
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ev_q(q), cur_item(0)
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{
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}
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AmPlaylist::~AmPlaylist()
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{
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}
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void AmPlaylist::addToPlaylist(AmPlaylistItem* item)
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{
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items_mut.lock();
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items.push_back(item);
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items_mut.unlock();
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}
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void AmPlaylist::addToPlayListFront(AmPlaylistItem* item)
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{
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cur_mut.lock();
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items_mut.lock();
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if(cur_item){
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items.push_front(cur_item);
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cur_item = item;
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}
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else {
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items.push_front(item);
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}
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items_mut.unlock();
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cur_mut.unlock();
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}
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void AmPlaylist::close()
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{
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cur_mut.lock();
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while(cur_item)
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gotoNextItem();
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cur_mut.unlock();
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}
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bool AmPlaylist::isEmpty()
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{
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bool res(true);
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cur_mut.lock();
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items_mut.lock();
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res = (!cur_item) && items.empty();
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items_mut.unlock();
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cur_mut.unlock();
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return res;
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}
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