/usr/include/hdcd/hdcd_analyze.h is in libhdcd-dev 1.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2016, Burt P.,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The names of its contributors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _HDCD_ANALYZE_H_
#define _HDCD_ANALYZE_H_
#ifdef __cplusplus
extern "C" {
#endif
/** Analyze mode(s)
*
* In analyze mode, the audio is replaced by a solid tone, and
* amplitude is changed to signal when the specified feature is
* used, or some decoding state exists.
*/
typedef enum {
HDCD_ANA_OFF = 0,
HDCD_ANA_LLE = 1,
HDCD_ANA_PE = 2,
HDCD_ANA_CDT = 3,
HDCD_ANA_TGM = 4,
HDCD_ANA_PEL = 5, /* added with simple api */
HDCD_ANA_LTGM = 6, /* added with simple api */
} hdcd_ana_mode;
#define HDCD_ANA_OFF_DESC "disabled"
#define HDCD_ANA_LLE_DESC "gain adjustment level at each sample"
#define HDCD_ANA_PE_DESC "samples where peak extend occurs"
#define HDCD_ANA_CDT_DESC "samples where the code detect timer is active"
#define HDCD_ANA_TGM_DESC "samples where the target gain does not match between channels"
#define HDCD_ANA_PEL_DESC "any samples above peak extend level"
#define HDCD_ANA_LTGM_DESC "gain adjustment level at each sample, in each channel"
/** get a nice description of what a mode does */
const char* hdcd_str_analyze_mode_desc(hdcd_ana_mode mode);
#ifdef __cplusplus
}
#endif
#endif
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