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Glenn Maynard
2006-12-21 05:37:09 +00:00
parent 1b60b0a86d
commit d2b8ac925a
1 changed files with 24 additions and 4 deletions
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stepmania/src/RageSoundReader_ChannelSplit.cpp
+24 -4
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@@ -1,15 +1,35 @@
/*
* Split the channels of a multi-sample sound into several separate sounds.
* Output a sound from the channels of another sound.
*
* This is intended for splitting a FileReader, and assumes the GetStreamToSourceRatio
* of the source is 1.0.
*
* The resulting readers should be read in parallel. If their source position
* drifts apart, the data between will be buffered to prevent seeking the source.
* If multiple readers are created, they should be read in parallel. If their source
* position drifts apart, the data between will be buffered to prevent seeking the source.
*
* The resulting sound has as many channels as the largest destination channel
* The resulting sounds have as many channels as the largest destination channel
* specified; multiple sounds on the same channel are mixed together; empty
* channels are silent.
*
* Create two mono sounds from one stereo sound, one playing the left channel and
* one playing the right:
* RageSoundSplitter split(pSource);
* RageSoundReader_Split *pLeft = split.CreateSound();
* pLeft->AddSourceChannelToSound( 0, 0 );
* RageSoundReader_Split *pRight = split.CreateSound();
* pRight->AddSourceChannelToSound( 1, 0 );
*
* Convert a stereo sound to mono:
* RageSoundSplitter split(pSource);
* RageSoundReader_Split *pMono = split.CreateSound();
* pMono->AddSourceChannelToSound( 0, 0 );
* pMono->AddSourceChannelToSound( 1, 0 );
*
* Convert a mono sound to stereo (RageSoundReader_Pan will do this faster):
* RageSoundSplitter split(pSource);
* RageSoundReader_Split *pStereo = split.CreateSound();
* pStereo->AddSourceChannelToSound( 0, 0 );
* pStereo->AddSourceChannelToSound( 0, 1 );
*/
#include "global.h"