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Ensured that a much greater input rate than output is handled correctly.

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This commit is contained in:
Thomas Harte 2016-03-16 20:38:17 -04:00
parent 4cd0aa3416
commit ca35a7e222
1 changed files with 15 additions and 3 deletions
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18
Outputs/Speaker.hpp
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@ -101,10 +101,22 @@ template <class T> class Filter: public Speaker {
}
}
// If the next loop around is going to reuse some of the samples just collected, use a memmove to
// preserve them in the correct locations (TODO: use a longer buffer to fix that) and don't skip
// anything. Otherwise skip as required to get to the next sample batch and don't expect to reuse.
uint64_t steps = _stepper->step();
int16_t *input_buffer = _input_buffer.get();
memmove(input_buffer, &input_buffer[steps], sizeof(int16_t) * ((size_t)_number_of_taps - (size_t)steps));
_input_buffer_depth -= steps;
if(steps < _number_of_taps)
{
int16_t *input_buffer = _input_buffer.get();
memmove(input_buffer, &input_buffer[steps], sizeof(int16_t) * ((size_t)_number_of_taps - (size_t)steps));
_input_buffer_depth -= steps;
}
else
{
if(steps > _number_of_taps)
static_cast<T *>(this)->skip_samples((unsigned int)steps - (unsigned int)_number_of_taps);
_input_buffer_depth = 0;
}
}
}
}