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handle position queuing within RageSoundDriver; this eliminates

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an awkward dependency on RageSoundManager
This commit is contained in:
Glenn Maynard
2006-12-23 09:45:15 +00:00
parent a77a9ce6e5
commit fe05072aa8
2 changed files with 31 additions and 7 deletions
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stepmania/src/arch/Sound/RageSoundDriver.h
+10
View File
@@ -164,8 +164,18 @@ private:
RageTimer m_StartTime;
float m_fVolume;
CircBuf<sound_block> m_Buffer;
bool m_bPaused;
struct QueuedPosMap
{
int iFrames;
int64_t iStreamFrame;
int64_t iHardwareFrame;
};
CircBuf<QueuedPosMap> m_PosMapQueue;
enum
{
AVAILABLE,
stepmania/src/arch/Sound/RageSoundDriver_Generic_Software.cpp
+21 -7
View File
@@ -4,7 +4,6 @@
#include "RageLog.h"
#include "RageSound.h"
#include "RageUtil.h"
#include "RageSoundManager.h"
#include "RageSoundMixBuffer.h"
#include "RageSoundReader.h"
@@ -32,11 +31,13 @@ void RageSoundDriver::Sound::Allocate( int iFrames )
const int iFramesPerBlock = samples_per_block / channels;
const int iBlocksToPrebuffer = iFrames / iFramesPerBlock;
m_Buffer.reserve( iBlocksToPrebuffer + 1 );
m_PosMapQueue.reserve( 32 );
}
void RageSoundDriver::Sound::Deallocate()
{
m_Buffer.reserve( 0 );
m_PosMapQueue.reserve( 0 );
}
int RageSoundDriver::DecodeThread_start( void *p )
@@ -131,7 +132,14 @@ RageSoundMixBuffer &RageSoundDriver::MixIntoBuffer( int iFrames, int64_t iFrameN
mix.SetWriteOffset( iGotFrames*channels );
mix.write( p[0]->m_BufferNext, frames_to_read * channels );
SOUNDMAN->CommitPlayingPosition( s.m_iSoundID, iFrameNumber+iGotFrames, p[0]->m_iPosition, frames_to_read );
{
Sound::QueuedPosMap pos;
pos.iStreamFrame = iFrameNumber+iGotFrames;
pos.iHardwareFrame = p[0]->m_iPosition;
pos.iFrames = frames_to_read;
s.m_PosMapQueue.write( &pos, 1 );
}
p[0]->m_BufferNext += frames_to_read*channels;
p[0]->m_FramesInBuffer -= frames_to_read;
@@ -166,11 +174,6 @@ void RageSoundDriver::Mix( float *pBuf, int iFrames, int64_t iFrameNumber, int64
void RageSoundDriver::DecodeThread()
{
/* SOUNDMAN will be set once RageSoundManager's ctor returns and
* assigns it; we might get here before that happens, though. */
while( !SOUNDMAN && !m_bShutdownDecodeThread )
usleep( 10000 );
SetupDecodingThread();
while( !m_bShutdownDecodeThread )
@@ -249,6 +252,17 @@ void RageSoundDriver::Update()
* this is the only place it'll be changed (to STOPPED). */
for( unsigned i = 0; i < ARRAYLEN(m_Sounds); ++i )
{
{
/* We don't need to lock to access m_PosMapQueue. */
Sound::QueuedPosMap p;
while( m_Sounds[i].m_PosMapQueue.read( &p, 1 ) )
{
RageSoundBase *pSound = m_Sounds[i].m_pSound;
if( pSound != NULL )
pSound->CommitPlayingPosition( p.iStreamFrame, p.iHardwareFrame, p.iFrames );
}
}
switch( m_Sounds[i].m_State )
{
case Sound::STOPPED: