/* This routine will be called by the PortAudio engine when audio is needed.
** It may be called at interrupt level on some machines so don't do anything
** that could mess up the system like calling malloc() or free().
*/
static int fuzzCallback( const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData )
{
SAMPLE *out = (SAMPLE*)outputBuffer;
const SAMPLE *in = (const SAMPLE*)inputBuffer;
unsigned int i;
(void) timeInfo; /* Prevent unused variable warnings. */
(void) statusFlags;
(void) userData;
if( inputBuffer == NULL )
{
for( i=0; i<framesPerBuffer; i++ )
{
*out++ = 0; /* left - silent */
*out++ = 0; /* right - silent */
}
gNumNoInputs += 1;
}
else
{
for( i=0; i<framesPerBuffer; i++ )
{
*out++ = FUZZ(*in++); /* left - distorted */
*out++ = *in++; /* right - clean */
}
}
return paContinue;
}
/* This routine will be called by the PortAudio engine when audio is needed.
** It may be called at interrupt level on some machines so don't do anything
** that could mess up the system like calling malloc() or free().
*/
static int fuzzCallback( void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
PaTimestamp outTime, void *userData )
{
SAMPLE *out = (SAMPLE*)outputBuffer;
SAMPLE *in = (SAMPLE*)inputBuffer;
unsigned int i;
(void) outTime; /* Prevent unused variable warnings. */
(void) userData;
if( inputBuffer == NULL )
{
for( i=0; i<framesPerBuffer; i++ )
{
*out++ = 0; /* left - silent */
*out++ = 0; /* right - silent */
}
gNumNoInputs += 1;
}
else
{
for( i=0; i<framesPerBuffer; i++ )
{
*out++ = FUZZ(*in++); /* left - distorted */
*out++ = *in++; /* right - clean */
}
}
return 0;
}
/*
* Fuzz distortion
* args:
* audio_ctx - audio context
* data - audio buffer to be processed
*
* asserts:
* audio_ctx is not null
*
* returns: none
*/
static void audio_fx_fuzz (audio_context_t *audio_ctx, sample_t *data)
{
/*assertions*/
assert(audio_ctx != NULL);
int samp=0;
for(samp = 0; samp < audio_ctx->capture_buff_size; samp++)
data[samp] = FUZZ(data[samp]);
HPF(audio_ctx, data, 1000, 0.9);
}
