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 "CStreamItem.h"
      21             : 
      22             : #if CONFIG2_AUDIO
      23             : 
      24             : #include "soundmanager/SoundManager.h"
      25             : #include "soundmanager/data/OggData.h"
      26             : 
      27           0 : CStreamItem::CStreamItem(CSoundData* sndData)
      28             : {
      29           0 :     ResetVars();
      30           0 :     if (InitOpenAL())
      31           0 :         Attach(sndData);
      32           0 : }
      33             : 
      34           0 : CStreamItem::~CStreamItem()
      35             : {
      36           0 :     Stop();
      37           0 :     ReleaseOpenALStream();
      38           0 : }
      39             : 
      40           0 : void CStreamItem::ReleaseOpenALStream()
      41             : {
      42           0 :     if (m_ALSource != 0)
      43             :     {
      44             :         int num_processed;
      45           0 :         AL_CHECK;
      46           0 :         alGetSourcei(m_ALSource, AL_BUFFERS_PROCESSED, &num_processed);
      47           0 :         AL_CHECK;
      48             : 
      49           0 :         if (num_processed > 0)
      50             :         {
      51           0 :             ALuint* al_buf = new ALuint[num_processed];
      52           0 :             alSourceUnqueueBuffers(m_ALSource, num_processed, al_buf);
      53           0 :             AL_CHECK;
      54           0 :             delete[] al_buf;
      55             :         }
      56           0 :         alSourcei(m_ALSource, AL_BUFFER, 0);
      57           0 :         AL_CHECK;
      58           0 :         ((CSoundManager*)g_SoundManager)->ReleaseALSource(m_ALSource);
      59           0 :         AL_CHECK;
      60           0 :         m_ALSource = 0;
      61             :     }
      62           0 : }
      63             : 
      64           0 : bool CStreamItem::IdleTask()
      65             : {
      66           0 :     AL_CHECK;
      67           0 :     HandleFade();
      68           0 :     AL_CHECK;
      69             : 
      70           0 :     if (m_ALSource == 0)
      71           0 :         return true;
      72             : 
      73             :     int proc_state;
      74           0 :     alGetSourcei(m_ALSource, AL_SOURCE_STATE, &proc_state);
      75           0 :     AL_CHECK;
      76             : 
      77           0 :     if (proc_state == AL_STOPPED || proc_state == AL_PAUSED)
      78           0 :         return !m_LastPlay;
      79             : 
      80           0 :     if (m_SoundData == nullptr)
      81           0 :         return true;
      82             : 
      83           0 :     COggData* theData = (COggData*)m_SoundData;
      84             : 
      85           0 :     if (!theData->IsFileFinished())
      86             :     {
      87             :         int num_processed;
      88           0 :         alGetSourcei(m_ALSource, AL_BUFFERS_PROCESSED, &num_processed);
      89           0 :         AL_CHECK;
      90             : 
      91           0 :         if (num_processed > 0)
      92             :         {
      93           0 :             ALuint* al_buf = new ALuint[num_processed];
      94           0 :             alSourceUnqueueBuffers(m_ALSource, num_processed, al_buf);
      95           0 :             AL_CHECK;
      96           0 :             int didWrite = theData->FetchDataIntoBuffer(num_processed, al_buf);
      97           0 :             alSourceQueueBuffers(m_ALSource, didWrite, al_buf);
      98           0 :             AL_CHECK;
      99           0 :             delete[] al_buf;
     100             :         }
     101             :     }
     102           0 :     else if (GetLooping())
     103             :     {
     104           0 :         theData->ResetFile();
     105             :     }
     106             :     else
     107             :     {
     108             :         int num_processed;
     109           0 :         alGetSourcei(m_ALSource, AL_BUFFERS_QUEUED, &num_processed);
     110           0 :         m_ShouldBePlaying = ( num_processed == 0 );
     111             :     }
     112           0 :     AL_CHECK;
     113           0 :     return true;
     114             : }
     115             : 
     116           0 : void CStreamItem::Attach(CSoundData* itemData)
     117             : {
     118           0 :     if (m_SoundData != NULL)
     119             :     {
     120           0 :         CSoundData::ReleaseSoundData(m_SoundData);
     121           0 :         m_SoundData = 0;
     122             :     }
     123             : 
     124           0 :     if (itemData != NULL)
     125             :     {
     126           0 :         m_SoundData = itemData->IncrementCount();
     127           0 :         alSourceQueueBuffers(m_ALSource, m_SoundData->GetBufferCount(), (const ALuint *)m_SoundData->GetBufferPtr());
     128           0 :         AL_CHECK;
     129             :     }
     130           0 : }
     131             : 
     132           0 : void CStreamItem::SetLooping(bool loops)
     133             : {
     134           0 :     m_Looping = loops;
     135           3 : }
     136             : 
     137             : #endif // CONFIG2_AUDIO