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Convert 24-bit data if on big endian system

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This is needed since libgig returns 24-bit data in a little endian.
Note: untested as I don't have a big endian system.
This commit is contained in:
Garrett
2014-11-09 21:06:48 -08:00
parent c0ad77dfca
commit 822a3c52bb
1 changed files with 9 additions and 4 deletions
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13
plugins/GigPlayer/GigPlayer.cpp
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@@ -43,6 +43,7 @@
#include "knob.h"
#include "song.h"
#include "ConfigManager.h"
#include "endian_handling.h"
#include "PatchesDialog.h"
#include "tooltip.h"
@@ -494,9 +495,12 @@ void GigInstrument::play( sampleFrame * _working_buffer )
for( int i = 0; i < samples; ++i )
{
int32_t valueLeft = ( pInt[ 3 * sample->sample->Channels * i ] << 8 ) |
// libgig gives 24-bit data as little endian, so we must
// convert if on a big endian system
int32_t valueLeft = swap32IfBE(
( pInt[ 3 * sample->sample->Channels * i ] << 8 ) |
( pInt[ 3 * sample->sample->Channels * i + 1 ] << 16 ) |
( pInt[ 3 * sample->sample->Channels * i + 2 ] << 24 );
( pInt[ 3 * sample->sample->Channels * i + 2 ] << 24 ) );
// Store the notes to this buffer before saving to output
// so we can fade them out as needed
@@ -508,9 +512,10 @@ void GigInstrument::play( sampleFrame * _working_buffer )
}
else
{
int32_t valueRight = ( pInt[ 3 * sample->sample->Channels * i + 3 ] << 8 ) |
int32_t valueRight = swap32IfBE(
( pInt[ 3 * sample->sample->Channels * i + 3 ] << 8 ) |
( pInt[ 3 * sample->sample->Channels * i + 4 ] << 16 ) |
( pInt[ 3 * sample->sample->Channels * i + 5 ] << 24 );
( pInt[ 3 * sample->sample->Channels * i + 5 ] << 24 ) );
sampleData[i][1] = 1.0 / 0x100000000 * sample->attenuation * valueRight;
}