/usr/include/libinstpatch-1.0/libinstpatch/IpatchSampleStore.h is in libinstpatch-dev 1.0.0-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* libInstPatch
* Copyright (C) 1999-2010 Joshua "Element" Green <jgreen@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; version 2.1
* of the License only.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 or on the web at http://www.gnu.org.
*/
/**
* SECTION: IpatchSampleStore
* @short_description: Abstract sample storage object
* @see_also:
* @stability: Stable
*
* Sample stores provide for various storage methods for audio data.
* Examples include: #IpatchSampleStoreFile for audio data stored in files
* on disk, #IpatchSampleStoreRAM for audio in RAM, #IpatchSampleStoreROM for
* samples in ROM of a sound card, etc.
*/
#ifndef __IPATCH_SAMPLE_STORE_H__
#define __IPATCH_SAMPLE_STORE_H__
/* forward type declarations */
typedef struct _IpatchSampleStore IpatchSampleStore;
typedef struct _IpatchSampleStoreClass IpatchSampleStoreClass;
#include <stdarg.h>
#include <glib.h>
#include <glib-object.h>
#include <libinstpatch/IpatchSample.h>
#include <libinstpatch/IpatchItem.h>
#include <libinstpatch/IpatchSampleTransform.h>
#include <libinstpatch/sample.h>
#define IPATCH_TYPE_SAMPLE_STORE (ipatch_sample_store_get_type ())
#define IPATCH_SAMPLE_STORE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), IPATCH_TYPE_SAMPLE_STORE, \
IpatchSampleStore))
#define IPATCH_SAMPLE_STORE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), IPATCH_TYPE_SAMPLE_STORE, \
IpatchSampleStoreClass))
#define IPATCH_IS_SAMPLE_STORE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), IPATCH_TYPE_SAMPLE_STORE))
#define IPATCH_IS_SAMPLE_STORE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), IPATCH_TYPE_SAMPLE_STORE))
#define IPATCH_SAMPLE_STORE_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), IPATCH_TYPE_SAMPLE_STORE, \
IpatchSampleStoreClass))
/* sample store base instance */
struct _IpatchSampleStore
{
IpatchItem parent_instance;
guint32 size; /* size of sample data (in samples) */
guint32 rate; /* sample rate in hz */
};
/* sample store base class */
struct _IpatchSampleStoreClass
{
IpatchItemClass parent_class;
};
/* IpatchSampleWidth | sign | endian | channels stored in flags field
(9 bits) - see sample.h */
/* flags bit shift value to sample format field */
#define IPATCH_SAMPLE_STORE_FORMAT_SHIFT IPATCH_ITEM_UNUSED_FLAG_SHIFT
/**
* ipatch_sample_store_get_format:
*
* Macro for getting the sample format from a sample store. No lock is required
* since format can only be set prior to the store being actively used.
*
* Returns: Sample format field. See #sample.
*/
#define ipatch_sample_store_get_format(store) \
((ipatch_item_get_flags (store) >> IPATCH_SAMPLE_STORE_FORMAT_SHIFT) \
& IPATCH_SAMPLE_FORMAT_MASK)
/**
* ipatch_sample_store_get_size:
*
* Macro for getting the sample size in frames of a sample store. No lock is required
* since size can only be set prior to the store being actively used.
*
* Returns: Sample store size in frames.
*/
#define ipatch_sample_store_get_size(store) ((store)->size)
/**
* ipatch_sample_store_get_rate:
*
* Macro for getting the sample rate from a sample store. No lock is required
* since rate can only be set prior to the store being actively used.
*
* Returns: Sample rate in HZ.
*/
#define ipatch_sample_store_get_rate(store) ((store)->rate)
/**
* ipatch_sample_store_get_size_bytes:
*
* Macro for getting the sample store data size in bytes. No lock is required
* since format and size can only be set prior to the store being actively used.
*
* Returns: Sample store size in bytes.
*/
#define ipatch_sample_store_get_size_bytes(store) \
(ipatch_sample_format_size (ipatch_sample_store_get_format (store)) * (store)->size)
/* we reserve flags for format and 3 for expansion */
#define IPATCH_SAMPLE_STORE_UNUSED_FLAG_SHIFT \
(IPATCH_ITEM_UNUSED_FLAG_SHIFT + IPATCH_SAMPLE_FORMAT_BITCOUNT + 3)
GType ipatch_sample_store_get_type (void);
IpatchSampleStore *ipatch_sample_store_first (IpatchIter *iter);
IpatchSampleStore *ipatch_sample_store_next (IpatchIter *iter);
#endif
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