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Multi-threaded audio streams
Under MULTITHREADED_AUDIO define.
This commit is contained in:
erorcun
parent
5341840943
commit
107c4df69c
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@ -1,8 +1,6 @@
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#include "common.h"
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#ifdef AUDIO_OAL
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#include "stream.h"
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#include "sampman.h"
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#if defined _MSC_VER && !defined CMAKE_NO_AUTOLINK
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#ifdef AUDIO_OAL_USE_SNDFILE
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@ -22,6 +20,28 @@
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#include <opusfile.h>
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#endif
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#include <queue>
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#include <utility>
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#ifdef MULTITHREADED_AUDIO
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#include <iostream>
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#include <thread>
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#include <mutex>
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#include <condition_variable>
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#include "MusicManager.h"
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#include "stream.h"
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std::thread gAudioThread;
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std::mutex gAudioThreadQueueMutex;
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std::condition_variable gAudioThreadCv;
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bool gAudioThreadTerm = false;
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std::queue<CStream*> gStreamsToProcess; // values are not unique, we will handle that ourself
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#else
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#include "stream.h"
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#endif
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#include "sampman.h"
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#ifndef _WIN32
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#include "crossplatform.h"
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#endif
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@ -39,6 +59,10 @@ class CSortStereoBuffer
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{
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uint16* PcmBuf;
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size_t BufSize;
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//#ifdef MULTITHREADED_AUDIO
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// std::mutex Mutex;
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//#endif
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public:
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CSortStereoBuffer() : PcmBuf(nil), BufSize(0) {}
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~CSortStereoBuffer()
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@ -65,6 +89,9 @@ public:
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void SortStereo(void* buf, size_t size)
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{
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//#ifdef MULTITHREADED_AUDIO
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// std::lock_guard<std::mutex> lock(Mutex);
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//#endif
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uint16* InBuf = (uint16*)buf;
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uint16* OutBuf = GetBuffer(size);
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@ -279,6 +306,10 @@ public:
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#undef CLOSE_ON_ERROR
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}
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void FileOpen()
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{
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}
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~CWavFile()
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{
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Close();
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@ -289,6 +320,7 @@ public:
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return m_bIsOpen;
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}
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uint32 GetSampleSize()
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{
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return sizeof(uint16);
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@ -405,6 +437,10 @@ public:
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m_pfSound = sf_open(path, SFM_READ, &m_soundInfo);
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}
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void FileOpen()
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{
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}
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~CSndFile()
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{
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if ( m_pfSound )
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@ -464,8 +500,6 @@ public:
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#endif
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#ifdef AUDIO_OAL_USE_MPG123
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// fuzzy seek eliminates stutter when playing ADF but spams errors a lot (and breaks radio sometimes)
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//#define MP3_USE_FUZZY_SEEK
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class CMP3File : public IDecoder
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{
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@ -474,45 +508,58 @@ protected:
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bool m_bOpened;
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uint32 m_nRate;
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uint32 m_nChannels;
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const char* m_pPath;
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bool m_bFileNotOpenedYet;
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CMP3File() :
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m_pMH(nil),
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m_bOpened(false),
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m_nRate(0),
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m_bFileNotOpenedYet(false),
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m_nChannels(0) {}
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public:
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CMP3File(const char *path) :
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m_pMH(nil),
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m_bOpened(false),
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m_nRate(0),
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m_nChannels(0)
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m_nChannels(0),
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m_pPath(path),
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m_bFileNotOpenedYet(false)
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{
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m_pMH = mpg123_new(nil, nil);
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if ( m_pMH )
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{
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#ifdef MP3_USE_FUZZY_SEEK
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mpg123_param(m_pMH, MPG123_FLAGS, MPG123_FUZZY | MPG123_SEEKBUFFER | MPG123_GAPLESS | MPG123_QUIET, 0.0);
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#else
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mpg123_param(m_pMH, MPG123_FLAGS, MPG123_SEEKBUFFER | MPG123_GAPLESS, 0.0);
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#endif
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long rate = 0;
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int channels = 0;
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int encoding = 0;
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m_bOpened = mpg123_open(m_pMH, path) == MPG123_OK
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&& mpg123_getformat(m_pMH, &rate, &channels, &encoding) == MPG123_OK;
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m_nRate = rate;
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m_nChannels = channels;
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if ( IsOpened() )
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{
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mpg123_format_none(m_pMH);
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mpg123_format(m_pMH, rate, channels, encoding);
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}
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m_bOpened = true;
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m_bFileNotOpenedYet = true;
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// It's possible to move this to audioFileOpsThread(), but effect isn't noticable + probably not compatible with our current cutscene audio handling
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#if 1
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FileOpen();
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#endif
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}
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}
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void FileOpen()
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{
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if(!m_bFileNotOpenedYet) return;
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long rate = 0;
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int channels = 0;
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int encoding = 0;
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m_bOpened = mpg123_open(m_pMH, m_pPath) == MPG123_OK
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&& mpg123_getformat(m_pMH, &rate, &channels, &encoding) == MPG123_OK;
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m_nRate = rate;
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m_nChannels = channels;
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if(IsOpened()) {
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mpg123_format_none(m_pMH);
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mpg123_format(m_pMH, rate, channels, encoding);
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}
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m_bFileNotOpenedYet = false;
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}
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~CMP3File()
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{
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if ( m_pMH )
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@ -535,7 +582,7 @@ public:
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uint32 GetSampleCount()
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{
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if ( !IsOpened() ) return 0;
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if ( !IsOpened() || m_bFileNotOpenedYet ) return 0;
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return mpg123_length(m_pMH);
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}
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@ -551,19 +598,19 @@ public:
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void Seek(uint32 milliseconds)
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{
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if ( !IsOpened() ) return;
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if ( !IsOpened() || m_bFileNotOpenedYet ) return;
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mpg123_seek(m_pMH, ms2samples(milliseconds), SEEK_SET);
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}
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uint32 Tell()
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{
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if ( !IsOpened() ) return 0;
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if ( !IsOpened() || m_bFileNotOpenedYet ) return 0;
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return samples2ms(mpg123_tell(m_pMH));
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}
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uint32 Decode(void *buffer)
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{
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if ( !IsOpened() ) return 0;
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if ( !IsOpened() || m_bFileNotOpenedYet ) return 0;
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size_t size;
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int err = mpg123_read(m_pMH, (unsigned char *)buffer, GetBufferSize(), &size);
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@ -602,29 +649,42 @@ public:
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m_pMH = mpg123_new(nil, nil);
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if (m_pMH)
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{
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#ifdef MP3_USE_FUZZY_SEEK
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mpg123_param(m_pMH, MPG123_FLAGS, MPG123_FUZZY | MPG123_SEEKBUFFER | MPG123_GAPLESS | MPG123_QUIET, 0.0);
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#else
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mpg123_param(m_pMH, MPG123_FLAGS, MPG123_SEEKBUFFER | MPG123_GAPLESS, 0.0);
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m_bOpened = true;
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m_bFileNotOpenedYet = true;
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m_pPath = path;
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// It's possible to move this to audioFileOpsThread(), but effect isn't noticable + probably not compatible with our current cutscene audio handling
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#if 1
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FileOpen();
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#endif
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long rate = 0;
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int channels = 0;
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int encoding = 0;
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FILE* f = fopen(path, "rb");
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m_bOpened = mpg123_replace_reader_handle(m_pMH, r_read, r_seek, r_close) == MPG123_OK
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&& mpg123_open_handle(m_pMH, f) == MPG123_OK && mpg123_getformat(m_pMH, &rate, &channels, &encoding) == MPG123_OK;
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m_nRate = rate;
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m_nChannels = channels;
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if (IsOpened())
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{
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mpg123_format_none(m_pMH);
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mpg123_format(m_pMH, rate, channels, encoding);
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}
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}
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}
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void FileOpen()
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{
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if(!m_bFileNotOpenedYet) return;
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long rate = 0;
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int channels = 0;
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int encoding = 0;
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FILE *f = fopen(m_pPath, "rb");
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m_bOpened = f && mpg123_replace_reader_handle(m_pMH, r_read, r_seek, r_close) == MPG123_OK
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&& mpg123_open_handle(m_pMH, f) == MPG123_OK && mpg123_getformat(m_pMH, &rate, &channels, &encoding) == MPG123_OK;
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m_nRate = rate;
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m_nChannels = channels;
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if(IsOpened()) {
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mpg123_format_none(m_pMH);
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mpg123_format(m_pMH, rate, channels, encoding);
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}
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m_bFileNotOpenedYet = false;
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}
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};
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#endif
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@ -744,6 +804,10 @@ public:
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m_ppVagBuffers[i] = new uint8[VB_BLOCK_SIZE];
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}
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void FileOpen()
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{
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}
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~CVbFile()
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{
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if (m_pFile)
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m_bOpened = true;
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}
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}
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void FileOpen()
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{
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}
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~COpusFile()
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{
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};
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#endif
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// For multi-thread: Someone always acquire stream's mutex before entering here
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void
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CStream::BuffersShouldBeFilled()
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{
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#ifdef MULTITHREADED_AUDIO
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if (MusicManager.m_nMusicMode != MUSICMODE_CUTSCENE) {
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std::queue<std::pair<ALuint, ALuint>> tempQueue;
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for(int i = 0; i < NUM_STREAMBUFFERS / 2; i++) {
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tempQueue.push(std::pair<ALuint, ALuint>(m_alBuffers[i * 2], m_alBuffers[i * 2 + 1]));
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}
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m_fillBuffers.swap(tempQueue);
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FlagAsToBeProcessed();
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m_bActive = true; // to allow Update() to queue the filled buffers & play
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return;
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}
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std::queue<std::pair<ALuint, ALuint>>().swap(m_fillBuffers);
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#endif
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if ( FillBuffers() != 0 )
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{
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SetPlay(true);
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}
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}
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// returns whether it's queued (not on multi-thread)
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bool
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CStream::BufferShouldBeFilledAndQueued(std::pair<ALuint, ALuint>* bufs)
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{
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#ifdef MULTITHREADED_AUDIO
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if (MusicManager.m_nMusicMode != MUSICMODE_CUTSCENE)
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m_fillBuffers.push(*bufs);
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else
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#endif
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{
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ALuint alBuffers[2] = {(*bufs).first, (*bufs).second}; // left - right
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if (FillBuffer(alBuffers)) {
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alSourceQueueBuffers(m_pAlSources[0], 1, &alBuffers[0]);
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alSourceQueueBuffers(m_pAlSources[1], 1, &alBuffers[1]);
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return true;
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}
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}
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return false;
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}
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#ifdef MULTITHREADED_AUDIO
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void
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CStream::FlagAsToBeProcessed(bool close)
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{
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if (!close && MusicManager.m_nMusicMode == MUSICMODE_CUTSCENE)
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return;
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gAudioThreadQueueMutex.lock();
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gStreamsToProcess.push(this);
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gAudioThreadQueueMutex.unlock();
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gAudioThreadCv.notify_one();
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}
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extern CStream *aStream[];
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void audioFileOpsThread()
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{
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std::queue<CStream*> m_streamsToDelete;
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do
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{
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CStream *stream;
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{
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// Just a semaphore
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std::unique_lock<std::mutex> queueMutex(gAudioThreadQueueMutex);
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gAudioThreadCv.wait(queueMutex, [m_streamsToDelete] { return gStreamsToProcess.size() > 0 || m_streamsToDelete.size() > 0 || gAudioThreadTerm; });
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if (gAudioThreadTerm)
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return;
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if (!gStreamsToProcess.empty()) {
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stream = gStreamsToProcess.front();
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gStreamsToProcess.pop();
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} else {
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// End of streams. Perform deleting streams
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while(!m_streamsToDelete.empty()) {
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CStream *stream = m_streamsToDelete.front();
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m_streamsToDelete.pop();
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if (stream->m_pSoundFile) {
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delete stream->m_pSoundFile;
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stream->m_pSoundFile = nil;
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}
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if (stream->m_pBuffer) {
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free(stream->m_pBuffer);
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stream->m_pBuffer = nil;
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}
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delete stream;
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}
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continue;
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}
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}
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std::unique_lock<std::mutex> lock(stream->m_mutex);
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std::pair<ALuint, ALuint> buffers, *lastBufAddr;
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bool insertBufsAfterCheck = false;
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do {
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if (stream->m_nDeleteMe == 1) {
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m_streamsToDelete.push(stream);
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stream->m_nDeleteMe = 2;
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break;
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} else if (stream->m_nDeleteMe == 2) {
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break;
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}
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if (!stream->IsOpened())
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break;
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if (stream->m_bReset)
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break;
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// We gave up this idea for now
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/*
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stream->m_pSoundFile->FileOpen();
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// Deffered allocation, do it now
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if (stream->m_pBuffer == nil) {
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stream->m_pBuffer = malloc(stream->m_pSoundFile->GetBufferSize());
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ASSERT(stream->m_pBuffer != nil);
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}
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*/
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if (stream->m_bDoSeek) {
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stream->m_bDoSeek = false;
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int pos = stream->m_SeekPos;
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lock.unlock();
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stream->m_pSoundFile->Seek(pos);
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lock.lock();
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continue; // let's do the checks again, make sure we didn't miss anything while Seeking
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}
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if (insertBufsAfterCheck) {
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stream->m_queueBuffers.push(buffers);
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insertBufsAfterCheck = false;
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}
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if (!stream->m_fillBuffers.empty()) {
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lastBufAddr = &stream->m_fillBuffers.front();
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buffers = *lastBufAddr;
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lock.unlock();
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ALuint alBuffers[2] = {buffers.first, buffers.second}; // left - right
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bool filled = stream->FillBuffer(alBuffers);
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lock.lock();
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// Make sure queue isn't touched after we released mutex
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if (!stream->m_fillBuffers.empty() && lastBufAddr == &stream->m_fillBuffers.front()) {
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stream->m_fillBuffers.pop();
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if (filled)
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insertBufsAfterCheck = true; // Also make sure stream's properties aren't changed. So make one more pass, and push it to m_queueBuffers only if it pass checks again.
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}
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} else
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break;
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} while (true);
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} while(true);
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}
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#endif
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void CStream::Initialise()
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{
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#ifdef AUDIO_OAL_USE_MPG123
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mpg123_init();
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#endif
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#ifdef MULTITHREADED_AUDIO
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gAudioThread = std::thread(audioFileOpsThread);
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#endif
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}
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void CStream::Terminate()
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@ -973,6 +1213,14 @@ void CStream::Terminate()
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#ifdef AUDIO_OAL_USE_MPG123
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mpg123_exit();
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#endif
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#ifdef MULTITHREADED_AUDIO
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gAudioThreadQueueMutex.lock();
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gAudioThreadTerm = true;
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gAudioThreadQueueMutex.unlock();
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gAudioThreadCv.notify_one();
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gAudioThread.join();
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#endif
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}
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CStream::CStream(char *filename, ALuint *sources, ALuint (&buffers)[NUM_STREAMBUFFERS], uint32 overrideSampleRate) :
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|
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@ -981,6 +1229,11 @@ CStream::CStream(char *filename, ALuint *sources, ALuint (&buffers)[NUM_STREAMBU
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m_pBuffer(nil),
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m_bPaused(false),
|
||||
m_bActive(false),
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
m_nDeleteMe(false),
|
||||
m_bDoSeek(false),
|
||||
m_SeekPos(0),
|
||||
#endif
|
||||
m_pSoundFile(nil),
|
||||
m_bReset(false),
|
||||
m_nVolume(0),
|
||||
|
|
@ -1027,42 +1280,57 @@ CStream::CStream(char *filename, ALuint *sources, ALuint (&buffers)[NUM_STREAMBU
|
|||
|
||||
if ( IsOpened() )
|
||||
{
|
||||
m_pBuffer = malloc(m_pSoundFile->GetBufferSize());
|
||||
ASSERT(m_pBuffer!=nil);
|
||||
|
||||
DEV("AvgSamplesPerSec: %d\n", m_pSoundFile->GetAvgSamplesPerSec());
|
||||
DEV("SampleCount: %d\n", m_pSoundFile->GetSampleCount());
|
||||
DEV("SampleRate: %d\n", m_pSoundFile->GetSampleRate());
|
||||
DEV("Channels: %d\n", m_pSoundFile->GetChannels());
|
||||
DEV("Buffer Samples: %d\n", m_pSoundFile->GetBufferSamples());
|
||||
DEV("Buffer sec: %f\n", (float(m_pSoundFile->GetBufferSamples()) / float(m_pSoundFile->GetChannels())/ float(m_pSoundFile->GetSampleRate())));
|
||||
DEV("Length MS: %02d:%02d\n", (m_pSoundFile->GetLength() / 1000) / 60, (m_pSoundFile->GetLength() / 1000) % 60);
|
||||
|
||||
uint32 bufSize = m_pSoundFile->GetBufferSize();
|
||||
if(bufSize != 0) { // Otherwise it's deferred
|
||||
m_pBuffer = malloc(bufSize);
|
||||
ASSERT(m_pBuffer != nil);
|
||||
|
||||
DEV("AvgSamplesPerSec: %d\n", m_pSoundFile->GetAvgSamplesPerSec());
|
||||
DEV("SampleCount: %d\n", m_pSoundFile->GetSampleCount());
|
||||
DEV("SampleRate: %d\n", m_pSoundFile->GetSampleRate());
|
||||
DEV("Channels: %d\n", m_pSoundFile->GetChannels());
|
||||
DEV("Buffer Samples: %d\n", m_pSoundFile->GetBufferSamples());
|
||||
DEV("Buffer sec: %f\n", (float(m_pSoundFile->GetBufferSamples()) / float(m_pSoundFile->GetChannels())/ float(m_pSoundFile->GetSampleRate())));
|
||||
DEV("Length MS: %02d:%02d\n", (m_pSoundFile->GetLength() / 1000) / 60, (m_pSoundFile->GetLength() / 1000) % 60);
|
||||
}
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
CStream::~CStream()
|
||||
{
|
||||
Delete();
|
||||
assert(!IsOpened());
|
||||
}
|
||||
|
||||
void CStream::Delete()
|
||||
void CStream::Close()
|
||||
{
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
{
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
|
||||
Stop();
|
||||
ClearBuffers();
|
||||
m_nDeleteMe = true;
|
||||
// clearing buffer queues are not needed. after m_nDeleteMe set, this stream is ded
|
||||
}
|
||||
|
||||
FlagAsToBeProcessed(true);
|
||||
#else
|
||||
Stop();
|
||||
ClearBuffers();
|
||||
|
||||
|
||||
if ( m_pSoundFile )
|
||||
{
|
||||
delete m_pSoundFile;
|
||||
m_pSoundFile = nil;
|
||||
}
|
||||
|
||||
|
||||
if ( m_pBuffer )
|
||||
{
|
||||
free(m_pBuffer);
|
||||
m_pBuffer = nil;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
bool CStream::HasSource()
|
||||
|
|
@ -1086,6 +1354,14 @@ bool CStream::IsPlaying()
|
|||
alGetSourcei(m_pAlSources[1], AL_SOURCE_STATE, &sourceState[1]);
|
||||
if (sourceState[0] == AL_PLAYING || sourceState[1] == AL_PLAYING)
|
||||
return true;
|
||||
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
|
||||
// Streams are designed in such a way that m_fillBuffers and m_queueBuffers will be *always* filled if audio is playing, and mutex is acquired
|
||||
if (!m_fillBuffers.empty() || !m_queueBuffers.emptyNts())
|
||||
return true;
|
||||
#endif
|
||||
}
|
||||
|
||||
return false;
|
||||
|
|
@ -1160,8 +1436,24 @@ void CStream::SetPan(uint8 nPan)
|
|||
void CStream::SetPosMS(uint32 nPos)
|
||||
{
|
||||
if ( !IsOpened() ) return;
|
||||
m_pSoundFile->Seek(nPos);
|
||||
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
|
||||
std::queue<std::pair<ALuint, ALuint>>().swap(m_fillBuffers);
|
||||
tsQueue<std::pair<ALuint, ALuint>>().swapNts(m_queueBuffers); // TSness not required, second thread always access it when stream mutex acquired
|
||||
|
||||
if (MusicManager.m_nMusicMode != MUSICMODE_CUTSCENE) {
|
||||
m_bDoSeek = true;
|
||||
m_SeekPos = nPos;
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
m_pSoundFile->Seek(nPos);
|
||||
}
|
||||
ClearBuffers();
|
||||
|
||||
// adding to gStreamsToProcess not needed, someone always calls Start() / BuffersShouldBeFilled() after SetPosMS
|
||||
}
|
||||
|
||||
uint32 CStream::GetPosMS()
|
||||
|
|
@ -1169,10 +1461,16 @@ uint32 CStream::GetPosMS()
|
|||
if ( !HasSource() ) return 0;
|
||||
if ( !IsOpened() ) return 0;
|
||||
|
||||
// Deferred init causes division by zero
|
||||
if (m_pSoundFile->GetChannels() == 0)
|
||||
return 0;
|
||||
|
||||
ALint offset;
|
||||
//alGetSourcei(m_alSource, AL_SAMPLE_OFFSET, &offset);
|
||||
alGetSourcei(m_pAlSources[0], AL_BYTE_OFFSET, &offset);
|
||||
|
||||
//std::lock_guard<std::mutex> lock(m_mutex);
|
||||
|
||||
return m_pSoundFile->Tell()
|
||||
- m_pSoundFile->samples2ms(m_pSoundFile->GetBufferSamples() * (NUM_STREAMBUFFERS/2-1)) / m_pSoundFile->GetChannels()
|
||||
+ m_pSoundFile->samples2ms(offset/m_pSoundFile->GetSampleSize()) / m_pSoundFile->GetChannels();
|
||||
|
|
@ -1186,6 +1484,7 @@ uint32 CStream::GetLengthMS()
|
|||
|
||||
bool CStream::FillBuffer(ALuint *alBuffer)
|
||||
{
|
||||
#ifndef MULTITHREADED_AUDIO
|
||||
if ( !HasSource() )
|
||||
return false;
|
||||
if ( !IsOpened() )
|
||||
|
|
@ -1194,13 +1493,14 @@ bool CStream::FillBuffer(ALuint *alBuffer)
|
|||
return false;
|
||||
if ( !(alBuffer[1] != AL_NONE && alIsBuffer(alBuffer[1])) )
|
||||
return false;
|
||||
|
||||
#endif
|
||||
|
||||
uint32 size = m_pSoundFile->Decode(m_pBuffer);
|
||||
if( size == 0 )
|
||||
return false;
|
||||
|
||||
uint32 channelSize = size / m_pSoundFile->GetChannels();
|
||||
|
||||
uint32 channelSize = size / m_pSoundFile->GetChannels();
|
||||
|
||||
alBufferData(alBuffer[0], AL_FORMAT_MONO16, m_pBuffer, channelSize, m_pSoundFile->GetSampleRate());
|
||||
// TODO: use just one buffer if we play mono
|
||||
if (m_pSoundFile->GetChannels() == 1)
|
||||
|
|
@ -1210,6 +1510,26 @@ bool CStream::FillBuffer(ALuint *alBuffer)
|
|||
return true;
|
||||
}
|
||||
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
bool CStream::QueueBuffers()
|
||||
{
|
||||
bool buffersQueued = false;
|
||||
std::pair<ALuint, ALuint> buffers;
|
||||
while (m_queueBuffers.peekPop(&buffers)) // beware: m_queueBuffers is tsQueue
|
||||
{
|
||||
ALuint leftBuf = buffers.first;
|
||||
ALuint rightBuf = buffers.second;
|
||||
|
||||
alSourceQueueBuffers(m_pAlSources[0], 1, &leftBuf);
|
||||
alSourceQueueBuffers(m_pAlSources[1], 1, &rightBuf);
|
||||
|
||||
buffersQueued = true;
|
||||
}
|
||||
return buffersQueued;
|
||||
}
|
||||
#endif
|
||||
|
||||
// Only used in single-threaded audio or cutscene audio
|
||||
int32 CStream::FillBuffers()
|
||||
{
|
||||
int32 i = 0;
|
||||
|
|
@ -1239,17 +1559,33 @@ void CStream::ClearBuffers()
|
|||
alSourceUnqueueBuffers(m_pAlSources[1], 1, &value);
|
||||
}
|
||||
|
||||
bool CStream::Setup(bool imSureQueueIsEmpty)
|
||||
bool CStream::Setup(bool imSureQueueIsEmpty, bool lock)
|
||||
{
|
||||
if ( IsOpened() )
|
||||
{
|
||||
alSourcei(m_pAlSources[0], AL_LOOPING, AL_FALSE);
|
||||
alSourcei(m_pAlSources[1], AL_LOOPING, AL_FALSE);
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
if (lock)
|
||||
m_mutex.lock();
|
||||
#endif
|
||||
|
||||
if (!imSureQueueIsEmpty) {
|
||||
SetPlay(false);
|
||||
Stop();
|
||||
ClearBuffers();
|
||||
}
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
if (MusicManager.m_nMusicMode == MUSICMODE_CUTSCENE) {
|
||||
m_pSoundFile->Seek(0);
|
||||
} else {
|
||||
m_bDoSeek = true;
|
||||
m_SeekPos = 0;
|
||||
}
|
||||
|
||||
if (lock)
|
||||
m_mutex.unlock();
|
||||
#else
|
||||
m_pSoundFile->Seek(0);
|
||||
#endif
|
||||
|
||||
//SetPosition(0.0f, 0.0f, 0.0f);
|
||||
SetPitch(1.0f);
|
||||
//SetPan(m_nPan);
|
||||
|
|
@ -1302,8 +1638,12 @@ void CStream::SetPlay(bool state)
|
|||
void CStream::Start()
|
||||
{
|
||||
if ( !HasSource() ) return;
|
||||
if ( FillBuffers() != 0 )
|
||||
SetPlay(true);
|
||||
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
tsQueue<std::pair<ALuint, ALuint>>().swapNts(m_queueBuffers); // TSness not required, second thread always access it when stream mutex acquired
|
||||
#endif
|
||||
BuffersShouldBeFilled();
|
||||
}
|
||||
|
||||
void CStream::Stop()
|
||||
|
|
@ -1325,9 +1665,23 @@ void CStream::Update()
|
|||
|
||||
if ( !m_bPaused )
|
||||
{
|
||||
ALint totalBuffers[2] = { 0, 0 };
|
||||
ALint buffersProcessed[2] = { 0, 0 };
|
||||
|
||||
bool buffersQueuedAndStarted = false;
|
||||
bool buffersQueuedButNotStarted = false;
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
// Put it in here because we need totalBuffers after queueing to decide when to loop audio
|
||||
if (m_bActive)
|
||||
{
|
||||
buffersQueuedAndStarted = QueueBuffers();
|
||||
if(buffersQueuedAndStarted) {
|
||||
SetPlay(true);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
ALint totalBuffers[2] = {0, 0};
|
||||
ALint buffersProcessed[2] = {0, 0};
|
||||
|
||||
// Relying a lot on left buffer states in here
|
||||
|
||||
do
|
||||
|
|
@ -1339,44 +1693,66 @@ void CStream::Update()
|
|||
alGetSourcei(m_pAlSources[1], AL_BUFFERS_QUEUED, &totalBuffers[1]);
|
||||
alGetSourcei(m_pAlSources[1], AL_BUFFERS_PROCESSED, &buffersProcessed[1]);
|
||||
} while (buffersProcessed[0] != buffersProcessed[1]);
|
||||
|
||||
|
||||
assert(buffersProcessed[0] == buffersProcessed[1]);
|
||||
|
||||
// Correcting OpenAL concepts here:
|
||||
// AL_BUFFERS_QUEUED = Number of *all* buffers in queue, including processed, processing and pending
|
||||
// AL_BUFFERS_PROCESSED = Index of the buffer being processing right now. Buffers coming after that(have greater index) are pending buffers.
|
||||
// which means: totalBuffers[0] - buffersProcessed[0] = pending buffers
|
||||
|
||||
bool buffersRefilled = false;
|
||||
|
||||
|
||||
// We should wait queue to be cleared to loop track, because position calculation relies on queue.
|
||||
if (m_nLoopCount != 1 && m_bActive && totalBuffers[0] == 0)
|
||||
{
|
||||
Setup(true);
|
||||
buffersRefilled = FillBuffers() != 0;
|
||||
if (m_nLoopCount != 0)
|
||||
m_nLoopCount--;
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
|
||||
if (m_fillBuffers.empty() && m_queueBuffers.emptyNts()) // we already acquired stream mutex, which is enough for second thread. thus Nts variant
|
||||
#endif
|
||||
{
|
||||
Setup(true, false);
|
||||
BuffersShouldBeFilled(); // will also call SetPlay(true)
|
||||
if (m_nLoopCount != 0)
|
||||
m_nLoopCount--;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
while( buffersProcessed[0]-- )
|
||||
static std::queue<std::pair<ALuint, ALuint>> tempFillBuffer;
|
||||
|
||||
while ( buffersProcessed[0]-- )
|
||||
{
|
||||
ALuint buffer[2];
|
||||
|
||||
alSourceUnqueueBuffers(m_pAlSources[0], 1, &buffer[0]);
|
||||
alSourceUnqueueBuffers(m_pAlSources[1], 1, &buffer[1]);
|
||||
|
||||
if (m_bActive && FillBuffer(buffer))
|
||||
|
||||
if (m_bActive)
|
||||
{
|
||||
buffersRefilled = true;
|
||||
alSourceQueueBuffers(m_pAlSources[0], 1, &buffer[0]);
|
||||
alSourceQueueBuffers(m_pAlSources[1], 1, &buffer[1]);
|
||||
tempFillBuffer.push(std::pair<ALuint, ALuint>(buffer[0], buffer[1]));
|
||||
}
|
||||
}
|
||||
|
||||
if (m_bActive && buffersProcessed[1])
|
||||
{
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
m_mutex.lock();
|
||||
#endif
|
||||
while (!tempFillBuffer.empty()) {
|
||||
auto elem = tempFillBuffer.front();
|
||||
tempFillBuffer.pop();
|
||||
buffersQueuedButNotStarted = BufferShouldBeFilledAndQueued(&elem);
|
||||
}
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
m_mutex.unlock();
|
||||
FlagAsToBeProcessed();
|
||||
#endif
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
// Two reasons: 1-Source may be starved to audio and stopped itself, 2- We're already waiting it to starve and die for looping track!
|
||||
if (m_bActive && (buffersRefilled || (totalBuffers[1] - buffersProcessed[1] != 0)))
|
||||
// Source may be starved to audio and stopped itself
|
||||
if (m_bActive && !buffersQueuedAndStarted && (buffersQueuedButNotStarted || (totalBuffers[1] - buffersProcessed[1] != 0)))
|
||||
SetPlay(true);
|
||||
}
|
||||
}
|
||||
|
|
@ -1385,28 +1761,45 @@ void CStream::ProviderInit()
|
|||
{
|
||||
if ( m_bReset )
|
||||
{
|
||||
if ( Setup(true) )
|
||||
if ( Setup(true, false) ) // lock not needed, thread can't process streams with m_bReset set
|
||||
{
|
||||
SetPan(m_nPan);
|
||||
SetVolume(m_nVolume);
|
||||
SetLoopCount(m_nLoopCount);
|
||||
SetPosMS(m_nPosBeforeReset);
|
||||
if (m_bActive)
|
||||
FillBuffers();
|
||||
SetPlay(m_bActive);
|
||||
if ( m_bPaused )
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
std::unique_lock<std::mutex> lock(m_mutex);
|
||||
#endif
|
||||
if(m_bActive)
|
||||
BuffersShouldBeFilled();
|
||||
|
||||
if (m_bPaused)
|
||||
Pause();
|
||||
|
||||
m_bReset = false;
|
||||
|
||||
} else {
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
std::unique_lock<std::mutex> lock(m_mutex);
|
||||
#endif
|
||||
m_bReset = false;
|
||||
}
|
||||
|
||||
m_bReset = false;
|
||||
}
|
||||
}
|
||||
|
||||
void CStream::ProviderTerm()
|
||||
{
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
|
||||
// unlike Close() we will reuse this stream, so clearing queues are important.
|
||||
std::queue<std::pair<ALuint, ALuint>>().swap(m_fillBuffers);
|
||||
tsQueue<std::pair<ALuint, ALuint>>().swapNts(m_queueBuffers); // stream mutex is already acquired, thus Nts variant
|
||||
#endif
|
||||
m_bReset = true;
|
||||
m_nPosBeforeReset = GetPosMS();
|
||||
|
||||
|
||||
Stop();
|
||||
ClearBuffers();
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -11,6 +11,7 @@ public:
|
|||
virtual ~IDecoder() { }
|
||||
|
||||
virtual bool IsOpened() = 0;
|
||||
virtual void FileOpen() = 0;
|
||||
|
||||
virtual uint32 GetSampleSize() = 0;
|
||||
virtual uint32 GetSampleCount() = 0;
|
||||
|
|
@ -48,12 +49,70 @@ public:
|
|||
|
||||
uint32 GetLength()
|
||||
{
|
||||
FileOpen(); // abort deferred init, we need length now - game has to cache audio file sizes
|
||||
return float(GetSampleCount()) * 1000.0f / float(GetSampleRate());
|
||||
}
|
||||
|
||||
virtual uint32 Decode(void *buffer) = 0;
|
||||
};
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
template <typename T> class tsQueue
|
||||
{
|
||||
public:
|
||||
tsQueue() : count(0) { }
|
||||
|
||||
void push(const T &value)
|
||||
{
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
m_queue.push(value);
|
||||
count++;
|
||||
}
|
||||
|
||||
bool peekPop(T *retVal)
|
||||
{
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
if (count == 0)
|
||||
return false;
|
||||
|
||||
*retVal = m_queue.front();
|
||||
m_queue.pop();
|
||||
count--;
|
||||
return true;
|
||||
}
|
||||
|
||||
void swapNts(tsQueue<T> &replaceWith)
|
||||
{
|
||||
m_queue.swap(replaceWith.m_queue);
|
||||
replaceWith.count = count;
|
||||
}
|
||||
|
||||
/*
|
||||
void swapTs(tsQueue<T> &replaceWith)
|
||||
{
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
std::lock_guard<std::mutex> lock2(replaceWith.m_mutex);
|
||||
swapNts(replaceWith);
|
||||
}
|
||||
*/
|
||||
|
||||
bool emptyNts()
|
||||
{
|
||||
return count == 0;
|
||||
}
|
||||
|
||||
/*
|
||||
bool emptyTs()
|
||||
{
|
||||
std::lock_guard<std::mutex> lock(m_mutex);
|
||||
return emptyNts();
|
||||
}
|
||||
*/
|
||||
|
||||
std::queue<T> m_queue;
|
||||
int count;
|
||||
mutable std::mutex m_mutex;
|
||||
};
|
||||
#endif
|
||||
class CStream
|
||||
{
|
||||
char m_aFilename[128];
|
||||
|
|
@ -63,6 +122,16 @@ class CStream
|
|||
bool m_bPaused;
|
||||
bool m_bActive;
|
||||
|
||||
public:
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
std::mutex m_mutex;
|
||||
std::queue<std::pair<ALuint, ALuint>> m_fillBuffers; // left and right buffer
|
||||
tsQueue<std::pair<ALuint, ALuint>> m_queueBuffers;
|
||||
bool m_bDoSeek;
|
||||
uint32 m_SeekPos;
|
||||
uint8 m_nDeleteMe; // 1: add to delete list 2: already on delete list
|
||||
#endif
|
||||
|
||||
void *m_pBuffer;
|
||||
|
||||
bool m_bReset;
|
||||
|
|
@ -72,7 +141,14 @@ class CStream
|
|||
int32 m_nLoopCount;
|
||||
|
||||
IDecoder *m_pSoundFile;
|
||||
|
||||
|
||||
void BuffersShouldBeFilled(); // all
|
||||
bool BufferShouldBeFilledAndQueued(std::pair<ALuint, ALuint>*); // two (left-right)
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
void FlagAsToBeProcessed(bool close = false);
|
||||
bool QueueBuffers();
|
||||
#endif
|
||||
|
||||
bool HasSource();
|
||||
void SetPosition(int i, float x, float y, float z);
|
||||
void SetPitch(float pitch);
|
||||
|
|
@ -81,15 +157,15 @@ class CStream
|
|||
void SetPlay(bool state);
|
||||
|
||||
bool FillBuffer(ALuint *alBuffer);
|
||||
int32 FillBuffers();
|
||||
int32 FillBuffers();
|
||||
void ClearBuffers();
|
||||
public:
|
||||
//public:
|
||||
static void Initialise();
|
||||
static void Terminate();
|
||||
|
||||
CStream(char *filename, ALuint *sources, ALuint (&buffers)[NUM_STREAMBUFFERS], uint32 overrideSampleRate = 32000);
|
||||
~CStream();
|
||||
void Delete();
|
||||
void Close();
|
||||
|
||||
bool IsOpened();
|
||||
bool IsPlaying();
|
||||
|
|
@ -100,12 +176,11 @@ public:
|
|||
uint32 GetPosMS();
|
||||
uint32 GetLengthMS();
|
||||
|
||||
bool Setup(bool imSureQueueIsEmpty = false);
|
||||
bool Setup(bool imSureQueueIsEmpty = false, bool lock = true);
|
||||
void Start();
|
||||
void Stop();
|
||||
void Update(void);
|
||||
void SetLoopCount(int32);
|
||||
|
||||
|
||||
void ProviderInit();
|
||||
void ProviderTerm();
|
||||
|
|
|
|||
|
|
@ -34,6 +34,12 @@
|
|||
#include "oal/oal_utils.h"
|
||||
#include "oal/aldlist.h"
|
||||
#include "oal/channel.h"
|
||||
|
||||
#include <utility>
|
||||
#ifdef MULTITHREADED_AUDIO
|
||||
#include <mutex>
|
||||
#include <queue>
|
||||
#endif
|
||||
#include "oal/stream.h"
|
||||
|
||||
#include "AudioManager.h"
|
||||
|
|
@ -521,7 +527,7 @@ _FindMP3s(void)
|
|||
if (aStream[0] && aStream[0]->IsOpened())
|
||||
{
|
||||
total_ms = aStream[0]->GetLengthMS();
|
||||
delete aStream[0];
|
||||
aStream[0]->Close();
|
||||
aStream[0] = NULL;
|
||||
|
||||
OutputDebugString(fd.cFileName);
|
||||
|
|
@ -595,7 +601,7 @@ _FindMP3s(void)
|
|||
if (aStream[0] && aStream[0]->IsOpened())
|
||||
{
|
||||
total_ms = aStream[0]->GetLengthMS();
|
||||
delete aStream[0];
|
||||
aStream[0]->Close();
|
||||
aStream[0] = NULL;
|
||||
|
||||
OutputDebugString(fd.cFileName);
|
||||
|
|
@ -655,7 +661,7 @@ _FindMP3s(void)
|
|||
if (aStream[0] && aStream[0]->IsOpened())
|
||||
{
|
||||
total_ms = aStream[0]->GetLengthMS();
|
||||
delete aStream[0];
|
||||
aStream[0]->Close();
|
||||
aStream[0] = NULL;
|
||||
|
||||
OutputDebugString(fd.cFileName);
|
||||
|
|
@ -811,6 +817,7 @@ cSampleManager::Initialise(void)
|
|||
return TRUE;
|
||||
|
||||
EFXInit();
|
||||
|
||||
CStream::Initialise();
|
||||
|
||||
{
|
||||
|
|
@ -971,7 +978,7 @@ cSampleManager::Initialise(void)
|
|||
if ( aStream[0] && aStream[0]->IsOpened() )
|
||||
{
|
||||
uint32 tatalms = aStream[0]->GetLengthMS();
|
||||
delete aStream[0];
|
||||
aStream[0]->Close();
|
||||
aStream[0] = NULL;
|
||||
|
||||
nStreamLength[i] = tatalms;
|
||||
|
|
@ -1021,7 +1028,7 @@ cSampleManager::Initialise(void)
|
|||
nStreamPan[i] = 63;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
{
|
||||
_bSampmanInitialised = TRUE;
|
||||
|
||||
|
|
@ -1107,7 +1114,7 @@ cSampleManager::Terminate(void)
|
|||
CStream *stream = aStream[i];
|
||||
if (stream)
|
||||
{
|
||||
delete stream;
|
||||
stream->Close();
|
||||
aStream[i] = NULL;
|
||||
}
|
||||
}
|
||||
|
|
@ -1688,7 +1695,7 @@ cSampleManager::PreloadStreamedFile(uint32 nFile, uint8 nStream)
|
|||
{
|
||||
if ( aStream[nStream] )
|
||||
{
|
||||
delete aStream[nStream];
|
||||
aStream[nStream]->Close();
|
||||
aStream[nStream] = NULL;
|
||||
}
|
||||
|
||||
|
|
@ -1700,7 +1707,7 @@ cSampleManager::PreloadStreamedFile(uint32 nFile, uint8 nStream)
|
|||
aStream[nStream] = stream;
|
||||
if ( !stream->Setup() )
|
||||
{
|
||||
delete stream;
|
||||
stream->Close();
|
||||
aStream[nStream] = NULL;
|
||||
}
|
||||
}
|
||||
|
|
@ -1747,7 +1754,7 @@ cSampleManager::StartStreamedFile(uint32 nFile, uint32 nPos, uint8 nStream)
|
|||
|
||||
if ( aStream[nStream] )
|
||||
{
|
||||
delete aStream[nStream];
|
||||
aStream[nStream]->Close();
|
||||
aStream[nStream] = NULL;
|
||||
}
|
||||
if ( nFile == STREAMED_SOUND_RADIO_MP3_PLAYER )
|
||||
|
|
@ -1780,7 +1787,7 @@ cSampleManager::StartStreamedFile(uint32 nFile, uint32 nPos, uint8 nStream)
|
|||
|
||||
return TRUE;
|
||||
} else {
|
||||
delete stream;
|
||||
stream->Close();
|
||||
aStream[nStream] = NULL;
|
||||
}
|
||||
return FALSE;
|
||||
|
|
@ -1805,7 +1812,7 @@ cSampleManager::StartStreamedFile(uint32 nFile, uint32 nPos, uint8 nStream)
|
|||
_bIsMp3Active = TRUE;
|
||||
return TRUE;
|
||||
} else {
|
||||
delete aStream[nStream];
|
||||
aStream[nStream]->Close();
|
||||
aStream[nStream] = NULL;
|
||||
}
|
||||
// fall through, start playing from another song
|
||||
|
|
@ -1839,7 +1846,7 @@ cSampleManager::StartStreamedFile(uint32 nFile, uint32 nPos, uint8 nStream)
|
|||
|
||||
return TRUE;
|
||||
} else {
|
||||
delete stream;
|
||||
stream->Close();
|
||||
aStream[nStream] = NULL;
|
||||
}
|
||||
return FALSE;
|
||||
|
|
@ -1861,7 +1868,7 @@ cSampleManager::StartStreamedFile(uint32 nFile, uint32 nPos, uint8 nStream)
|
|||
#endif
|
||||
return TRUE;
|
||||
} else {
|
||||
delete aStream[nStream];
|
||||
aStream[nStream]->Close();
|
||||
aStream[nStream] = NULL;
|
||||
}
|
||||
|
||||
|
|
@ -1888,7 +1895,7 @@ cSampleManager::StartStreamedFile(uint32 nFile, uint32 nPos, uint8 nStream)
|
|||
|
||||
return TRUE;
|
||||
} else {
|
||||
delete stream;
|
||||
stream->Close();
|
||||
aStream[nStream] = NULL;
|
||||
}
|
||||
return FALSE;
|
||||
|
|
@ -1903,7 +1910,7 @@ cSampleManager::StopStreamedFile(uint8 nStream)
|
|||
|
||||
if ( stream )
|
||||
{
|
||||
delete stream;
|
||||
stream->Close();
|
||||
aStream[nStream] = NULL;
|
||||
|
||||
if ( nStream == 0 )
|
||||
|
|
|
|||
|
|
@ -398,6 +398,7 @@ static_assert(false, "SUPPORT_XBOX_SCRIPT and SUPPORT_MOBILE_SCRIPT are mutually
|
|||
//#define PS2_AUDIO_PATHS // changes audio paths for cutscenes and radio to PS2 paths (needs vbdec on MSS builds)
|
||||
//#define AUDIO_OAL_USE_SNDFILE // use libsndfile to decode WAVs instead of our internal decoder
|
||||
#define AUDIO_OAL_USE_MPG123 // use mpg123 to support mp3 files
|
||||
#define MULTITHREADED_AUDIO
|
||||
|
||||
#ifdef AUDIO_OPUS
|
||||
#define AUDIO_OAL_USE_OPUS // enable support of opus files
|
||||
|
|
|
|||
Loading…
Reference in a new issue