099df2fb71
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23594 a1c6a512-1295-4272-9138-f99709370657
116 lines
2.7 KiB
C
116 lines
2.7 KiB
C
/*
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libdemac - A Monkey's Audio decoder
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$Id$
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Copyright (C) Dave Chapman 2007
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
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*/
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#ifndef _DEMAC_CONFIG_H
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#define _DEMAC_CONFIG_H
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/* Build-time choices for libdemac.
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* Note that this file is included by both .c and .S files. */
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#ifdef ROCKBOX
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#include "config.h"
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#ifndef __ASSEMBLER__
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#include "codeclib.h"
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#include <codecs.h>
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#endif
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#define APE_OUTPUT_DEPTH 29
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/* On ARMv4, using 32 bit ints for the filters is faster. */
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#if defined(CPU_ARM) && (ARM_ARCH == 4)
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#define FILTER_BITS 32
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#endif
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#if CONFIG_CPU == PP5002
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/* Code in IRAM for speed, not enough IRAM for the insane filter buffer. */
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#define ICODE_SECTION_DEMAC_ARM .icode
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#define ICODE_ATTR_DEMAC ICODE_ATTR
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#define IBSS_ATTR_DEMAC_INSANEBUF
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#elif CONFIG_CPU == PP5020
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/* Not enough IRAM for the insane filter buffer. */
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#define ICODE_SECTION_DEMAC_ARM .text
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#define ICODE_ATTR_DEMAC
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#define IBSS_ATTR_DEMAC_INSANEBUF
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#elif defined(CPU_S5L870X)
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#define ICODE_SECTION_DEMAC_ARM .icode
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#define ICODE_ATTR_DEMAC ICODE_ATTR
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#define IBSS_ATTR_DEMAC_INSANEBUF IBSS_ATTR
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#else
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#define ICODE_SECTION_DEMAC_ARM .text
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#define ICODE_ATTR_DEMAC
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#define IBSS_ATTR_DEMAC_INSANEBUF IBSS_ATTR
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#endif
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#else /* !ROCKBOX */
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#define APE_OUTPUT_DEPTH (ape_ctx->bps)
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#define IBSS_ATTR
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#define IBSS_ATTR_DEMAC_INSANEBUF
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#define ICONST_ATTR
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#define ICODE_ATTR
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#define ICODE_ATTR_DEMAC
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/* Use to give gcc hints on which branch is most likely taken */
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#if defined(__GNUC__) && __GNUC__ >= 3
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#define LIKELY(x) __builtin_expect(!!(x), 1)
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#define UNLIKELY(x) __builtin_expect(!!(x), 0)
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#else
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#define LIKELY(x) (x)
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#define UNLIKELY(x) (x)
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#endif
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#endif /* !ROCKBOX */
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/* Defaults */
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#ifndef UDIV32
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#define UDIV32(a, b) (a / b)
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#endif
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#ifndef FILTER_HISTORY_SIZE
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#define FILTER_HISTORY_SIZE 512
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#endif
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#ifndef PREDICTOR_HISTORY_SIZE
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#define PREDICTOR_HISTORY_SIZE 512
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#endif
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#ifndef FILTER_BITS
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#define FILTER_BITS 16
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#endif
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#ifndef __ASSEMBLER__
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#include <inttypes.h>
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#if FILTER_BITS == 32
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typedef int32_t filter_int;
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#elif FILTER_BITS == 16
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typedef int16_t filter_int;
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#endif
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#endif
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#endif /* _DEMAC_CONFIG_H */
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