Engine directory for ticket #1

2026-07-11 14:44:36 +00:00 · 2012-09-19 11:15:01 -04:00 · 2012-09-19 11:15:01 -04:00 · 7dbfe6994d
commit 7dbfe6994d
parent 352279af7a
3795 changed files with 1363358 additions and 0 deletions
--- a/Engine/source/sfx/xaudio/sfxXAudioBuffer.cpp
+++ b/Engine/source/sfx/xaudio/sfxXAudioBuffer.cpp
@ -0,0 +1,125 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "sfx/xaudio/sfxXAudioBuffer.h"
+#include "sfx/xaudio/sfxXAudioVoice.h"
+
+
+//#define DEBUG_SPEW
+
+
+SFXXAudioBuffer* SFXXAudioBuffer::create( const ThreadSafeRef< SFXStream >& stream, SFXDescription* description )
+{
+   SFXXAudioBuffer *buffer = new SFXXAudioBuffer( stream, description );
+   return buffer;
+}
+
+SFXXAudioBuffer::SFXXAudioBuffer( const ThreadSafeRef< SFXStream >& stream, SFXDescription* description )
+   : Parent( stream, description )
+{
+   VECTOR_SET_ASSOCIATION( mBufferQueue );
+}
+
+SFXXAudioBuffer::~SFXXAudioBuffer()
+{
+   _flush();
+}
+
+void SFXXAudioBuffer::write( SFXInternal::SFXStreamPacket* const* packets, U32 num )
+{
+   AssertFatal( SFXInternal::isSFXThread(), "SFXXAudioBuffer::write() - not on SFX thread" );
+
+   using namespace SFXInternal;
+
+   // Unqueue processed packets.
+
+   if( isStreaming() )
+   {
+      EnterCriticalSection( &_getUniqueVoice()->mLock );
+
+      XAUDIO2_VOICE_STATE state;
+      _getUniqueVoice()->mXAudioVoice->GetState( &state );
+
+      U32 numProcessed = mBufferQueue.size() - state.BuffersQueued;
+      for( U32 i = 0; i < numProcessed; ++ i )
+      {
+         destructSingle< SFXStreamPacket* >( mBufferQueue.first().mPacket );
+         mBufferQueue.pop_front();
+
+         #ifdef DEBUG_SPEW
+         Platform::outputDebugString( "[SFXXAudioBuffer] Unqueued packet" );
+         #endif
+      }
+
+      LeaveCriticalSection( &_getUniqueVoice()->mLock );
+   }
+
+   // Queue new packets.
+
+   for( U32 i = 0; i < num; ++ i )
+   {
+      SFXStreamPacket* packet = packets[ i ];
+      Buffer buffer;
+
+      if( packet->mIsLast )
+         buffer.mData.Flags = XAUDIO2_END_OF_STREAM;
+
+      buffer.mPacket = packet;
+      buffer.mData.AudioBytes = packet->mSizeActual;
+      buffer.mData.pAudioData = packet->data;
+
+      mBufferQueue.push_back( buffer );
+
+      #ifdef DEBUG_SPEW
+      Platform::outputDebugString( "[SFXXAudioBuffer] Queued packet" );
+      #endif
+
+      // If this is a streaming buffer, submit the packet to the
+      // voice queue right away.
+
+      if( isStreaming() )
+      {
+         EnterCriticalSection( &_getUniqueVoice()->mLock );
+
+         IXAudio2SourceVoice* voice = _getUniqueVoice()->mXAudioVoice;
+         voice->SubmitSourceBuffer( &buffer.mData );
+
+         LeaveCriticalSection( &_getUniqueVoice()->mLock );
+      }
+   }
+}
+
+void SFXXAudioBuffer::_flush()
+{
+   #ifdef DEBUG_SPEW
+   Platform::outputDebugString( "[SFXXAudioBuffer] Flushing buffer" );
+   #endif
+
+   if( _getUniqueVoice() )
+      _getUniqueVoice()->_stop();
+
+   while( !mBufferQueue.empty() )
+   {
+      destructSingle( mBufferQueue.last().mPacket );
+      mBufferQueue.pop_back();
+   }
+}