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rockbox/firmware/export/pcm_sampr.h
Daniel Stenberg 64a0fb8fd9 avoid using #if on undefined symbols, in preparation for -Wundef 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12357 a1c6a512-1295-4272-9138-f99709370657
2007-02-17 21:15:06 +00:00

314 lines
8.7 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Michael Sevakis
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef PCM_SAMPR_H
#define PCM_SAMPR_H
#ifndef HW_SAMPR_CAPS
#define HW_SAMPR_CAPS 0 /* if not defined, we define to 0 */
#endif
/* These must be macros for comparison with SAMPR_CAP_* flags by the
preprocessor. Add samplerate index in descending order renumbering
the ones later in the list if any */
#define FREQ_96 0
#define FREQ_88 1
#define FREQ_64 2
#define FREQ_48 3
#define FREQ_44 4
#define FREQ_32 5
#define FREQ_24 6
#define FREQ_22 7
#define FREQ_16 8
#define FREQ_12 9
#define FREQ_11 10
#define FREQ_8 11
#define SAMPR_NUM_FREQ 12
/* sample rate values in HZ */
#define SAMPR_96 96000
#define SAMPR_88 88200
#define SAMPR_64 64000
#define SAMPR_48 48000
#define SAMPR_44 44100
#define SAMPR_32 32000
#define SAMPR_24 24000
#define SAMPR_22 22050
#define SAMPR_16 16000
#define SAMPR_12 12000
#define SAMPR_11 11025
#define SAMPR_8 8000
/* sample rate capability bits */
#define SAMPR_CAP_96 (1 << FREQ_96)
#define SAMPR_CAP_88 (1 << FREQ_88)
#define SAMPR_CAP_64 (1 << FREQ_64)
#define SAMPR_CAP_48 (1 << FREQ_48)
#define SAMPR_CAP_44 (1 << FREQ_44)
#define SAMPR_CAP_32 (1 << FREQ_32)
#define SAMPR_CAP_24 (1 << FREQ_24)
#define SAMPR_CAP_22 (1 << FREQ_22)
#define SAMPR_CAP_16 (1 << FREQ_16)
#define SAMPR_CAP_12 (1 << FREQ_12)
#define SAMPR_CAP_11 (1 << FREQ_11)
#define SAMPR_CAP_8 (1 << FREQ_8)
#define SAMPR_CAP_ALL (SAMPR_CAP_96 | SAMPR_CAP_88 | SAMPR_CAP_64 | \
SAMPR_CAP_48 | SAMPR_CAP_44 | SAMPR_CAP_32 | \
SAMPR_CAP_24 | SAMPR_CAP_22 | SAMPR_CAP_16 | \
SAMPR_CAP_12 | SAMPR_CAP_11 | SAMPR_CAP_8)
/* Master list of all "standard" rates supported. */
extern const unsigned long audio_master_sampr_list[SAMPR_NUM_FREQ];
/** Hardware sample rates **/
/* Enumeration of supported frequencies where 0 is the highest rate
supported and REC_NUM_FREQUENCIES is the number available */
enum hw_freq_indexes
{
__HW_FREQ_START_INDEX = -1, /* Make sure first in list is 0 */
/* 96000 */
#if (HW_SAMPR_CAPS & SAMPR_CAP_96) /* Macros and enums for each FREQ: */
HW_FREQ_96, /* Index in enumeration */
#define HW_HAVE_96 /* Defined if this FREQ is defined */
#define HW_HAVE_96_(...) __VA_ARGS__ /* Output its parameters for this FREQ */
#else
#define HW_HAVE_96_(...) /* Discards its parameters for this FREQ */
#endif
/* 88200 */
#if (HW_SAMPR_CAPS & SAMPR_CAP_88)
HW_FREQ_88,
#define HW_HAVE_88
#define HW_HAVE_88_(...) __VA_ARGS__
#else
#define HW_HAVE_88_(...)
#endif
/* 64000 */
#if (HW_SAMPR_CAPS & SAMPR_CAP_64)
HW_FREQ_64,
#define HW_HAVE_64
#define HW_HAVE_64_(...) __VA_ARGS__
#else
#define HW_HAVE_64_(...)
#endif
/* 48000 */
#if (HW_SAMPR_CAPS & SAMPR_CAP_48)
HW_FREQ_48,
#define HW_HAVE_48
#define HW_HAVE_48_(...) __VA_ARGS__
#else
#define HW_HAVE_48_(...)
#endif
/* 44100 */
HW_FREQ_44,
#define HW_HAVE_44
#define HW_HAVE_44_(...) __VA_ARGS__
/* 32000 */
#if (HW_SAMPR_CAPS & SAMPR_CAP_32)
HW_FREQ_32,
#define HW_HAVE_32
#define HW_HAVE_32_(...) __VA_ARGS__
#else
#define HW_HAVE_32_(...)
#endif
/* 24000 */
#if (HW_SAMPR_CAPS & SAMPR_CAP_24)
HW_FREQ_24,
#define HW_HAVE_24
#define HW_HAVE_24_(...) __VA_ARGS__
#else
#define HW_HAVE_24_(...)
#endif
/* 22050 */
#if (HW_SAMPR_CAPS & SAMPR_CAP_22)
HW_FREQ_22,
#define HW_HAVE_22
#define HW_HAVE_22_(...) __VA_ARGS__
#else
#define HW_HAVE_22_(...)
#endif
/* 16000 */
#if (HW_SAMPR_CAPS & SAMPR_CAP_16)
HW_FREQ_16,
#define HW_HAVE_16
#define HW_HAVE_16_(...) __VA_ARGS__
#else
#define HW_HAVE_16_(...)
#endif
/* 12000 */
#if (HW_SAMPR_CAPS & SAMPR_CAP_12)
HW_FREQ_12,
#define HW_HAVE_12
#define HW_HAVE_12_(...) __VA_ARGS__
#else
#define HW_HAVE_12_(...)
#endif
/* 11025 */
#if (HW_SAMPR_CAPS & SAMPR_CAP_11)
HW_FREQ_11,
#define HW_HAVE_11
#define HW_HAVE_11_(...) __VA_ARGS__
#else
#define HW_HAVE_11_(...)
#endif
/* 8000 */
#if (HW_SAMPR_CAPS & SAMPR_CAP_8 )
HW_FREQ_8,
#define HW_HAVE_8
#define HW_HAVE_8_(...) __VA_ARGS__
#else
#define HW_HAVE_8_(...)
#endif
HW_NUM_FREQ,
HW_FREQ_DEFAULT = HW_FREQ_44,
HW_SAMPR_DEFAULT = SAMPR_44,
}; /* enum hw_freq_indexes */
/* list of hardware sample rates */
extern const unsigned long hw_freq_sampr[HW_NUM_FREQ];
#ifdef HAVE_RECORDING
/* Enumeration of supported frequencies where 0 is the highest rate
supported and REC_NUM_FREQUENCIES is the number available */
enum rec_freq_indexes
{
__REC_FREQ_START_INDEX = -1, /* Make sure first in list is 0 */
/* 96000 */
#if (REC_SAMPR_CAPS & SAMPR_CAP_96) /* Macros and enums for each FREQ: */
REC_FREQ_96, /* Index in enumeration */
#define REC_HAVE_96 /* Defined if this FREQ is defined */
#define REC_HAVE_96_(...) __VA_ARGS__ /* Output its parameters for this FREQ */
#else
#define REC_HAVE_96_(...) /* Discards its parameters for this FREQ */
#endif
/* 88200 */
#if (REC_SAMPR_CAPS & SAMPR_CAP_88)
REC_FREQ_88,
#define REC_HAVE_88
#define REC_HAVE_88_(...) __VA_ARGS__
#else
#define REC_HAVE_88_(...)
#endif
/* 64000 */
#if (REC_SAMPR_CAPS & SAMPR_CAP_64)
REC_FREQ_64,
#define REC_HAVE_64
#define REC_HAVE_64_(...) __VA_ARGS__
#else
#define REC_HAVE_64_(...)
#endif
/* 48000 */
#if (REC_SAMPR_CAPS & SAMPR_CAP_48)
REC_FREQ_48,
#define REC_HAVE_48
#define REC_HAVE_48_(...) __VA_ARGS__
#else
#define REC_HAVE_48_(...)
#endif
/* 44100 */
#if (REC_SAMPR_CAPS & SAMPR_CAP_44)
REC_FREQ_44,
#define REC_HAVE_44
#define REC_HAVE_44_(...) __VA_ARGS__
#else
#define REC_HAVE_44_(...)
#endif
/* 32000 */
#if (REC_SAMPR_CAPS & SAMPR_CAP_32)
REC_FREQ_32,
#define REC_HAVE_32
#define REC_HAVE_32_(...) __VA_ARGS__
#else
#define REC_HAVE_32_(...)
#endif
/* 24000 */
#if (REC_SAMPR_CAPS & SAMPR_CAP_24)
REC_FREQ_24,
#define REC_HAVE_24
#define REC_HAVE_24_(...) __VA_ARGS__
#else
#define REC_HAVE_24_(...)
#endif
/* 22050 */
#if (REC_SAMPR_CAPS & SAMPR_CAP_22)
REC_FREQ_22,
#define REC_HAVE_22
#define REC_HAVE_22_(...) __VA_ARGS__
#else
#define REC_HAVE_22_(...)
#endif
/* 16000 */
#if (REC_SAMPR_CAPS & SAMPR_CAP_16)
REC_FREQ_16,
#define REC_HAVE_16
#define REC_HAVE_16_(...) __VA_ARGS__
#else
#define REC_HAVE_16_(...)
#endif
/* 12000 */
#if (REC_SAMPR_CAPS & SAMPR_CAP_12)
REC_FREQ_12,
#define REC_HAVE_12
#define REC_HAVE_12_(...) __VA_ARGS__
#else
#define REC_HAVE_12_(...)
#endif
/* 11025 */
#if (REC_SAMPR_CAPS & SAMPR_CAP_11)
REC_FREQ_11,
#define REC_HAVE_11
#define REC_HAVE_11_(...) __VA_ARGS__
#else
#define REC_HAVE_11_(...)
#endif
/* 8000 */
#if (REC_SAMPR_CAPS & SAMPR_CAP_8 )
REC_FREQ_8,
#define REC_HAVE_8
#define REC_HAVE_8_(...) __VA_ARGS__
#else
#define REC_HAVE_8_(...)
#endif
REC_NUM_FREQ,
/* This should always come out I reckon */
REC_FREQ_DEFAULT = REC_FREQ_44,
/* Get the minimum bitcount needed to save the range of values */
REC_FREQ_CFG_NUM_BITS = (REC_NUM_FREQ > 8 ?
4 : (REC_NUM_FREQ > 4 ?
3 : (REC_NUM_FREQ > 2 ?
2 : 1
)
)
),
}; /* enum rec_freq_indexes */
#define REC_FREQ_CFG_VAL_LIST &REC_HAVE_96_(",96") REC_HAVE_88_(",88") \
REC_HAVE_64_(",64") REC_HAVE_48_(",48") \
REC_HAVE_44_(",44") REC_HAVE_32_(",32") \
REC_HAVE_24_(",24") REC_HAVE_22_(",22") \
REC_HAVE_16_(",16") REC_HAVE_12_(",12") \
REC_HAVE_11_(",11") REC_HAVE_8_(",8")[1]
/* List of recording supported sample rates (set or subset of master list) */
extern const unsigned long rec_freq_sampr[REC_NUM_FREQ];
#endif /* HAVE_RECORDING */
#endif /* PCM_SAMPR_H */
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