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introduced some safety checks for the buffer pointers

This commit is contained in:
Volker Fischer 2015-02-15 16:53:17 +00:00
parent 4de2d7ac44
commit 070fb4a6a4
1 changed files with 23 additions and 14 deletions
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37
linux/sound.cpp
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@ -212,13 +212,16 @@ int CSound::process ( jack_nframes_t nframes, void* arg )
pSound->input_port_right, nframes );
// copy input data
for ( i = 0; i < pSound->iJACKBufferSizeMono; i++ )
if ( in_left != 0 && in_right != 0 )
{
pSound->vecsTmpAudioSndCrdStereo[2 * i] =
(short) ( in_left[i] * _MAXSHORT );
for ( i = 0; i < pSound->iJACKBufferSizeMono; i++ )
{
pSound->vecsTmpAudioSndCrdStereo[2 * i] =
(short) ( in_left[i] * _MAXSHORT );
pSound->vecsTmpAudioSndCrdStereo[2 * i + 1] =
(short) ( in_right[i] * _MAXSHORT );
pSound->vecsTmpAudioSndCrdStereo[2 * i + 1] =
(short) ( in_right[i] * _MAXSHORT );
}
}
// call processing callback function
@ -234,13 +237,16 @@ int CSound::process ( jack_nframes_t nframes, void* arg )
pSound->output_port_right, nframes );
// copy output data
for ( i = 0; i < pSound->iJACKBufferSizeMono; i++ )
if ( out_left != 0 && out_right != 0 )
{
out_left[i] = (jack_default_audio_sample_t)
pSound->vecsTmpAudioSndCrdStereo[2 * i] / _MAXSHORT;
for ( i = 0; i < pSound->iJACKBufferSizeMono; i++ )
{
out_left[i] = (jack_default_audio_sample_t)
pSound->vecsTmpAudioSndCrdStereo[2 * i] / _MAXSHORT;
out_right[i] = (jack_default_audio_sample_t)
pSound->vecsTmpAudioSndCrdStereo[2 * i + 1] / _MAXSHORT;
out_right[i] = (jack_default_audio_sample_t)
pSound->vecsTmpAudioSndCrdStereo[2 * i + 1] / _MAXSHORT;
}
}
}
else
@ -255,11 +261,14 @@ int CSound::process ( jack_nframes_t nframes, void* arg )
pSound->output_port_right, nframes );
// clear output data
memset ( out_left,
0, sizeof ( jack_default_audio_sample_t ) * nframes );
if ( out_left != 0 && out_right != 0 )
{
memset ( out_left,
0, sizeof ( jack_default_audio_sample_t ) * nframes );
memset ( out_right,
0, sizeof ( jack_default_audio_sample_t ) * nframes );
memset ( out_right,
0, sizeof ( jack_default_audio_sample_t ) * nframes );
}
}
return 0; // zero on success, non-zero on error