+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef TIMESTRETCHENGINE_H
-#define TIMESTRETCHENGINE_H
-
-#include "samples.inc"
-#include <stdint.h>
-
-
-class TimeStretchEngine
-{
-public:
-// scale = out length / in length
- TimeStretchEngine(double scale, int sample_rate, int window_time);
- ~TimeStretchEngine();
-
- void reset();
- void update(double scale, int sample_rate, int window_time);
- void overlay(double *out, double *in, int size, int skirt);
-// Returns the number of samples in the output buffer
- int process(Samples *in_buffer, int in_size);
- int get_output_size();
-// Return the output buffer
- double* get_samples();
-// Increment output buffer counters and shift output
- void read_output(Samples *buffer, int size);
-
-private:
-// ms length of average window
- int window_time;
- int sample_rate;
- int window_size;
-// Queer eye for the straight buffer
- int window_skirt;
- double *output;
- int output_allocation;
- int output_size;
-// Sample at beginning of output buffer
- int64_t output_sample;
- double *input;
- int input_allocation;
- int input_size;
-// Sample at beginning of input buffer
- int64_t input_sample;
- double scale;
-};
-
-
-
-
-
-#endif
-
-
-