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RageSoundManager::CommitPlayingPosition, RageSoundManager::FlushPosMapQueue

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This commit is contained in:
Glenn Maynard
2004-03-18 03:04:44 +00:00
parent 8df036b3d8
commit f59f22d1fd
2 changed files with 51 additions and 0 deletions
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stepmania/src/RageSoundManager.cpp
+41
View File
@@ -32,6 +32,8 @@ RageSoundManager::RageSoundManager(CString drivers)
SOUNDMAN = NULL;
throw;
}
pos_map_queue.reserve( 1024 );
}
RageSoundManager::~RageSoundManager()
@@ -75,6 +77,9 @@ int64_t RageSoundManager::GetPosition( const RageSoundBase *snd ) const
void RageSoundManager::Update(float delta)
{
LockMut(lock);
FlushPosMapQueue();
while(!sounds_to_delete.empty())
{
delete *sounds_to_delete.begin();
@@ -105,6 +110,42 @@ void RageSoundManager::UnregisterSound( RageSound *p )
all_sounds.erase( p );
}
void RageSoundManager::CommitPlayingPosition( int ID, int64_t frameno, int pos, int got_frames )
{
/* This can be called from realtime threads; don't lock any mutexes. */
queued_pos_map_t p;
p.ID = ID;
p.frameno = frameno;
p.pos = pos;
p.got_frames = got_frames;
pos_map_queue.write( &p, 1 );
}
void RageSoundManager::FlushPosMapQueue()
{
LockMut(SOUNDMAN->lock);
queued_pos_map_t p;
while( pos_map_queue.read( &p, 1 ) )
{
/* Find the sound with p.ID. */
set<RageSound *>::iterator it;
for( it = all_sounds.begin(); it != all_sounds.end(); ++it )
if( (*it)->GetID() == p.ID )
break;
/* If we can't find the ID, the sound was probably deleted before we got here. */
if( it == all_sounds.end() )
{
LOG->Trace("ignored unknown (stale?) commit ID %i", p.ID);
continue;
}
(*it)->CommitPlayingPosition( p.frameno, p.pos, p.got_frames );
}
}
float RageSoundManager::GetPlayLatency() const
{
return driver->GetPlayLatency();
stepmania/src/RageSoundManager.h
+10
View File
@@ -5,6 +5,7 @@
#include <map>
#include "SDL_utils.h"
#include "RageThreads.h"
#include "RageUtil_CircularBuffer.h"
class RageSound;
class RageSoundBase;
@@ -24,6 +25,13 @@ class RageSoundManager
/* Prefs: */
float MixVolume;
struct queued_pos_map_t
{
int ID, pos, got_frames;
int64_t frameno;
};
CircBuf<queued_pos_map_t> pos_map_queue;
public:
RageMutex lock;
@@ -40,6 +48,8 @@ public:
int64_t GetPosition( const RageSoundBase *snd ) const; /* used by RageSound */
int RegisterSound( RageSound *p ); /* used by RageSound */
void UnregisterSound( RageSound *p ); /* used by RageSound */
void CommitPlayingPosition( int ID, int64_t frameno, int pos, int got_bytes ); /* used by drivers */
void FlushPosMapQueue(); /* used by RageSound */
float GetPlayLatency() const;
int GetDriverSampleRate( int rate ) const;
const set<RageSound *> &GetPlayingSounds() const { return playing_sounds; }