#include "audiographer/routines.h"
#include "audiographer/utils/listed_source.h"
-#include <cstring>
-
namespace AudioGrapher
{
, public Sink<float>
, public Throwing<>
{
- public:
+public:
/// Constructs a normalizer with a specific target in dB \n RT safe
- Normalizer (float target_dB)
- : enabled (false)
- , buffer (0)
- , buffer_size (0)
- {
- target = pow (10.0f, target_dB * 0.05f);
- }
-
- ~Normalizer()
- {
- delete [] buffer;
- }
+ Normalizer (float target_dB);
+ ~Normalizer();
/// Sets the peak found in the material to be normalized \see PeakReader \n RT safe
- void set_peak (float peak)
- {
- if (peak == 0.0f || peak == target) {
- /* don't even try */
- enabled = false;
- } else {
- enabled = true;
- gain = target / peak;
- }
- }
+ void set_peak (float peak);
/** Allocates a buffer for using with const ProcessContexts
* This function does not need to be called if
* non-const ProcessContexts are given to \a process() .
* \n Not RT safe
*/
- void alloc_buffer(framecnt_t frames)
- {
- delete [] buffer;
- buffer = new float[frames];
- buffer_size = frames;
- }
+ void alloc_buffer(framecnt_t frames);
/// Process a const ProcessContext \see alloc_buffer() \n RT safe
- void process (ProcessContext<float> const & c)
- {
- if (throw_level (ThrowProcess) && c.frames() > buffer_size) {
- throw Exception (*this, "Too many frames given to process()");
- }
-
- if (enabled) {
- memcpy (buffer, c.data(), c.frames() * sizeof(float));
- Routines::apply_gain_to_buffer (buffer, c.frames(), gain);
- }
-
- ProcessContext<float> c_out (c, buffer);
- ListedSource<float>::output (c_out);
- }
-
+ void process (ProcessContext<float> const & c);
+
/// Process a non-const ProcsesContext in-place \n RT safe
- void process (ProcessContext<float> & c)
- {
- if (enabled) {
- Routines::apply_gain_to_buffer (c.data(), c.frames(), gain);
- }
- ListedSource<float>::output(c);
- }
-
- private:
+ void process (ProcessContext<float> & c);
+
+private:
bool enabled;
float target;
float gain;
-
+
float * buffer;
framecnt_t buffer_size;
};