mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-19 20:24:49 +00:00
a745fc3757
added libraries: opus flac libsndfile updated: libvorbis libogg openal - Everything works as expected for now. Bare in mind libsndfile needed the check for whether or not it could find the xiph libraries removed in order for this to work.
60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/*
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* ReplayGainAnalysis - analyzes input samples and give the recommended dB change
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* Copyright (C) 2001 David Robinson and Glen Sawyer
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* concept and filter values by David Robinson (David@Robinson.org)
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* -- blame him if you think the idea is flawed
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* coding by Glen Sawyer (glensawyer@hotmail.com) 442 N 700 E, Provo, UT 84606 USA
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* -- blame him if you think this runs too slowly, or the coding is otherwise flawed
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* minor cosmetic tweaks to integrate with FLAC by Josh Coalson
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*
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* For an explanation of the concepts and the basic algorithms involved, go to:
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* http://www.replaygain.org/
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*/
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#ifndef GAIN_ANALYSIS_H
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#define GAIN_ANALYSIS_H
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#include <stddef.h>
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#define GAIN_NOT_ENOUGH_SAMPLES -24601
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#define GAIN_ANALYSIS_ERROR 0
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#define GAIN_ANALYSIS_OK 1
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#define INIT_GAIN_ANALYSIS_ERROR 0
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#define INIT_GAIN_ANALYSIS_OK 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef float flac_float_t; /* Type used for filtering */
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extern flac_float_t ReplayGainReferenceLoudness; /* in dB SPL, currently == 89.0 */
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int InitGainAnalysis ( long samplefreq );
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int ValidGainFrequency ( long samplefreq );
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int AnalyzeSamples ( const flac_float_t* left_samples, const flac_float_t* right_samples, size_t num_samples, int num_channels );
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flac_float_t GetTitleGain ( void );
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flac_float_t GetAlbumGain ( void );
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#ifdef __cplusplus
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}
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#endif
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#endif /* GAIN_ANALYSIS_H */
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