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Fix quiet police scanner on OpenAL

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This commit is contained in:
Sergeanur 2021-05-17 17:45:56 +03:00
parent 3a7cb9c5ce
commit 0c41734c20
2 changed files with 19 additions and 1 deletions
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17
src/audio/oal/channel.cpp
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@ -17,6 +17,8 @@ bool bChannelsCreated = false;
int32 CChannel::channelsThatNeedService = 0;
uint8 tempStereoBuffer[PED_BLOCKSIZE * 2];
void
CChannel::InitChannels()
{
@ -50,6 +52,7 @@ CChannel::CChannel()
{
Data = nil;
DataSize = 0;
bIs2D = false;
SetDefault();
}
@ -90,6 +93,7 @@ void CChannel::Init(uint32 _id, bool Is2D)
if ( Is2D )
{
bIs2D = true;
alSource3f(alSources[id], AL_POSITION, 0.0f, 0.0f, 0.0f);
alSourcef(alSources[id], AL_GAIN, 1.0f);
}
@ -113,6 +117,19 @@ void CChannel::Start()
if ( !HasSource() ) return;
if ( !Data ) return;
if ( bIs2D )
{
// convert mono data to stereo
int16 *monoData = (int16*)Data;
int16 *stereoData = (int16*)tempStereoBuffer;
for (size_t i = 0; i < DataSize / 2; i++)
{
*(stereoData++) = *monoData;
*(stereoData++) = *(monoData++);
}
alBufferData(alBuffers[id], AL_FORMAT_STEREO16, tempStereoBuffer, DataSize * 2, Frequency);
}
else
alBufferData(alBuffers[id], AL_FORMAT_MONO16, Data, DataSize, Frequency);
if ( LoopPoints[0] != 0 && LoopPoints[0] != -1 )
alBufferiv(alBuffers[id], AL_LOOP_POINTS_SOFT, LoopPoints);

1
src/audio/oal/channel.h
View file

@ -20,6 +20,7 @@ class CChannel
int32 LoopCount;
ALint LoopPoints[2];
ALint LastProcessedOffset;
bool bIs2D;
public:
static int32 channelsThatNeedService;