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better implementation for inserting silence

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This commit is contained in:
Volker Fischer 2011-06-29 06:45:08 +00:00
parent 32ff224982
commit 4f757574bb
1 changed files with 11 additions and 8 deletions
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19
linux/sound.cpp
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@ -159,7 +159,7 @@ void CSound::Stop()
CSoundBase::Stop(); CSoundBase::Stop();
} }
int CSound::Init ( const int iNewPrefMonoBufferSize ) int CSound::Init ( const int /* iNewPrefMonoBufferSize */ )
{ {
// try setting buffer size // try setting buffer size
// TODO seems not to work! -> no audio after this operation! // TODO seems not to work! -> no audio after this operation!
@ -201,8 +201,11 @@ int CSound::process ( jack_nframes_t nframes, void* arg )
// copy input data // copy input data
for ( i = 0; i < pSound->iJACKBufferSizeMono; i++ ) for ( i = 0; i < pSound->iJACKBufferSizeMono; i++ )
{ {
pSound->vecsTmpAudioSndCrdStereo[2 * i] = (short) ( in_left[i] * _MAXSHORT ); pSound->vecsTmpAudioSndCrdStereo[2 * i] =
pSound->vecsTmpAudioSndCrdStereo[2 * i + 1] = (short) ( in_right[i] * _MAXSHORT ); (short) ( in_left[i] * _MAXSHORT );
pSound->vecsTmpAudioSndCrdStereo[2 * i + 1] =
(short) ( in_right[i] * _MAXSHORT );
} }
// call processing callback function // call processing callback function
@ -239,11 +242,11 @@ int CSound::process ( jack_nframes_t nframes, void* arg )
pSound->output_port_right, nframes ); pSound->output_port_right, nframes );
// clear output data // clear output data
for ( i = 0; i < pSound->iJACKBufferSizeMono; i++ ) memset ( out_left,
{ 0, sizeof ( jack_default_audio_sample_t ) * nframes );
out_left[i] = 0;
out_right[i] = 0; memset ( out_right,
} 0, sizeof ( jack_default_audio_sample_t ) * nframes );
} }
return 0; // zero on success, non-zero on error return 0; // zero on success, non-zero on error