Line data    Source code

       1             : /* Copyright (C) 2021 Wildfire Games.
       2             :  * This file is part of 0 A.D.
       3             :  *
       4             :  * 0 A.D. is free software: you can redistribute it and/or modify
       5             :  * it under the terms of the GNU General Public License as published by
       6             :  * the Free Software Foundation, either version 2 of the License, or
       7             :  * (at your option) any later version.
       8             :  *
       9             :  * 0 A.D. is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12             :  * GNU General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU General Public License
      15             :  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
      16             :  */
      17             : 
      18             : #include "precompiled.h"
      19             : 
      20             : #include "CBufferItem.h"
      21             : 
      22             : #if CONFIG2_AUDIO
      23             : 
      24             : #include "soundmanager/SoundManager.h"
      25             : #include "soundmanager/data/SoundData.h"
      26             : 
      27             : #include <mutex>
      28             : 
      29           0 : CBufferItem::CBufferItem(CSoundData* sndData)
      30             : {
      31           0 :     ResetVars();
      32           0 :     if (InitOpenAL())
      33           0 :         Attach(sndData);
      34           0 : }
      35             : 
      36             : 
      37           0 : CBufferItem::~CBufferItem()
      38             : {
      39           0 :     Stop();
      40           0 :     ReleaseOpenALBuffer();
      41           0 : }
      42             : 
      43             : 
      44           0 : void CBufferItem::ReleaseOpenALBuffer()
      45             : {
      46           0 :     if ( m_ALSource == 0 )
      47           0 :         return;
      48             : 
      49             :     int num_processed;
      50           0 :     AL_CHECK;
      51           0 :     alGetSourcei(m_ALSource, AL_BUFFERS_PROCESSED, &num_processed);
      52           0 :     AL_CHECK;
      53             : 
      54           0 :     if (num_processed > 0)
      55             :     {
      56           0 :         ALuint* al_buf = new ALuint[num_processed];
      57           0 :         alSourceUnqueueBuffers(m_ALSource, num_processed, al_buf);
      58             : 
      59           0 :         AL_CHECK;
      60           0 :         delete[] al_buf;
      61             :     }
      62           0 :     alSourcei(m_ALSource, AL_BUFFER, 0);
      63           0 :     ((CSoundManager*)g_SoundManager)->ReleaseALSource(m_ALSource);
      64           0 :     AL_CHECK;
      65             : 
      66           0 :     m_ALSource = 0;
      67             : }
      68             : 
      69           0 : bool CBufferItem::IdleTask()
      70             : {
      71           0 :     if ( m_ALSource == 0 )
      72           0 :         return false;
      73             : 
      74           0 :     HandleFade();
      75             : 
      76           0 :     if (m_LastPlay)
      77             :     {
      78           0 :         std::lock_guard<std::mutex> lock(m_ItemMutex);
      79             :         int proc_state;
      80           0 :         alGetSourcei(m_ALSource, AL_SOURCE_STATE, &proc_state);
      81           0 :         AL_CHECK;
      82           0 :         m_ShouldBePlaying = (proc_state != AL_STOPPED && proc_state != AL_INITIAL && proc_state != AL_PAUSED);
      83           0 :         return m_ShouldBePlaying;
      84             :     }
      85             : 
      86           0 :     if (GetLooping())
      87             :     {
      88             :         int num_processed;
      89           0 :         AL_CHECK;
      90           0 :         alGetSourcei(m_ALSource, AL_BUFFERS_PROCESSED, &num_processed);
      91             : 
      92           0 :         AL_CHECK;
      93           0 :         for (int i = 0; i < num_processed; i++)
      94             :         {
      95             :             ALuint al_buf;
      96           0 :             alSourceUnqueueBuffers(m_ALSource, 1, &al_buf);
      97           0 :             AL_CHECK;
      98           0 :             alSourceQueueBuffers(m_ALSource, 1, &al_buf);
      99           0 :             AL_CHECK;
     100             :         }
     101             :     }
     102             : 
     103           0 :     return true;
     104             : }
     105             : 
     106           0 : void CBufferItem::Attach(CSoundData* itemData)
     107             : {
     108           0 :     if ( m_ALSource == 0 )
     109           0 :         return;
     110             : 
     111           0 :     AL_CHECK;
     112           0 :     if (m_SoundData != NULL)
     113             :     {
     114           0 :         CSoundData::ReleaseSoundData(m_SoundData);
     115           0 :         m_SoundData = 0;
     116             :     }
     117           0 :     AL_CHECK;
     118           0 :     if (itemData != NULL)
     119             :     {
     120           0 :         m_SoundData = itemData->IncrementCount();
     121           0 :         alSourceQueueBuffers(m_ALSource, m_SoundData->GetBufferCount(),(const ALuint *) m_SoundData->GetBufferPtr());
     122           0 :         AL_CHECK;
     123             :     }
     124             : }
     125             : 
     126           0 : void CBufferItem::SetLooping(bool loops)
     127             : {
     128           0 :     m_Looping = loops;
     129           3 : }
     130             : 
     131             : #endif // CONFIG2_AUDIO