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#ifndef PCM_CONV_H
#define PCM_CONV_H
/********************************************************
Audio Tools, a module and set of tools for manipulating audio data
Copyright (C) 2007-2015 Brian Langenberger
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************/
/*for turning raw PCM bytes into integer values
given "total_samples * (bits_per_sample / 8)" PCM samples
converts to "total_samples" integer samples*/
typedef void (*pcm_to_int_f)(unsigned total_samples,
const unsigned char pcm_samples[],
int int_samples[]);
pcm_to_int_f
pcm_to_int_converter(unsigned bits_per_sample,
int is_big_endian,
int is_signed);
/*for turning integer values into raw PCM bytes
given "total_samples" integer samples
converts to "total_samples * (bits_per_sample / 8)" PCM samples*/
typedef void (*int_to_pcm_f)(unsigned total_samples,
const int int_samples[],
unsigned char pcm_samples[]);
int_to_pcm_f
int_to_pcm_converter(unsigned bits_per_sample,
int is_big_endian,
int is_signed);
/*for turning integer values with the given bits-per-sample
into double values between -1.0 and 1.0
given "total_samples" integer samples
outputs "total_samples" double samples*/
typedef void (*int_to_double_f)(unsigned total_samples,
const int int_samples[],
double double_samples[]);
int_to_double_f
int_to_double_converter(unsigned bits_per_sample);
/*for turning integer values with the given bits-per-sample
into float values between -1.0 and 1.0
given "total_samples" integer samples
outputs "total_samples" float samples*/
typedef void (*int_to_float_f)(unsigned total_samples,
const int int_samples[],
float float_samples[]);
int_to_float_f
int_to_float_converter(unsigned bits_per_sample);
/*for turning double values between [-1.0 .. 1.0] (inclusive)
into integer values with the given bits-per-sample
given "total_samples" double samples
outputs "total_samples" integer samples*/
typedef void (*double_to_int_f)(unsigned total_samples,
const double double_samples[],
int int_samples[]);
double_to_int_f
double_to_int_converter(unsigned bits_per_sample);
/*for turning float values between [-1.0 .. 1.0] (inclusive)
into integer values with the given bits-per-sample
given "total_samples" float samples
outputs "total_samples" integer samples*/
typedef void (*float_to_int_f)(unsigned total_samples,
const float float_samples[],
int int_samples[]);
float_to_int_f
float_to_int_converter(unsigned bits_per_sample);
#endif
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