c3cffb766e
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30540 a1c6a512-1295-4272-9138-f99709370657
475 lines
10 KiB
C
475 lines
10 KiB
C
/*
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** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
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** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
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**
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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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**
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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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**
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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**
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** Any non-GPL usage of this software or parts of this software is strictly
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** forbidden.
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**
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** Commercial non-GPL licensing of this software is possible.
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** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
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**
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** $Id$
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**/
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#ifndef __COMMON_H__
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#define __COMMON_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "faad_config.h"
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#include "codeclib.h"
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extern struct codec_api* ci;
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#if defined(DEBUG) || defined(SIMULATOR)
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#undef DEBUGF
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#define DEBUGF ci->debugf
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#else
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#define DEBUGF(...)
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#endif
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#ifdef ROCKBOX_HAS_LOGF
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#undef LOGF
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#define LOGF ci->logf
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#else
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#define LOGF(...)
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#endif
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#if (CONFIG_CPU == MCF5250)
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/* Enough IRAM but performance suffers with ICODE_ATTR. */
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#define IBSS_ATTR_FAAD_LARGE_IRAM IBSS_ATTR
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#define ICODE_ATTR_FAAD_LARGE_IRAM
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#define ICONST_ATTR_FAAD_LARGE_IRAM ICONST_ATTR
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#define IBSS_ATTR_FAAD_XLR
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#elif (CONFIG_CPU == PP5022) || (CONFIG_CPU == PP5024)
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/* Enough IRAM to move additional data and code to it. */
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#define IBSS_ATTR_FAAD_LARGE_IRAM IBSS_ATTR
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#define ICODE_ATTR_FAAD_LARGE_IRAM ICODE_ATTR
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#define ICONST_ATTR_FAAD_LARGE_IRAM ICONST_ATTR
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#define IBSS_ATTR_FAAD_XLR
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#elif defined(CPU_S5L870X)
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/* Very large IRAM. Move even more data to it. */
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#define IBSS_ATTR_FAAD_LARGE_IRAM IBSS_ATTR
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#define ICODE_ATTR_FAAD_LARGE_IRAM ICODE_ATTR
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#define ICONST_ATTR_FAAD_LARGE_IRAM ICONST_ATTR
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#define IBSS_ATTR_FAAD_XLR IBSS_ATTR
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#define HAVE_FAAD_XLR_IN_IRAM
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#else
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/* Not enough IRAM available. */
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#define IBSS_ATTR_FAAD_LARGE_IRAM
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#define ICODE_ATTR_FAAD_LARGE_IRAM
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#define ICONST_ATTR_FAAD_LARGE_IRAM
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#define IBSS_ATTR_FAAD_XLR
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#endif
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/* Used to allocate several SBR + PS arrays and variables statically. */
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//#define FAAD_STATIC_ALLOC
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#define INLINE __inline
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#if 0 //defined(_WIN32) && !defined(_WIN32_WCE)
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#define ALIGN __declspec(align(16))
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#else
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#define ALIGN
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#endif
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#ifndef max
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#define max(a, b) (((a) > (b)) ? (a) : (b))
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#endif
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#ifndef min
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#define min(a, b) (((a) < (b)) ? (a) : (b))
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#endif
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/* COMPILE TIME DEFINITIONS */
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/* use double precision */
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/* #define USE_DOUBLE_PRECISION */
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/* use fixed point reals */
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#define FIXED_POINT
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#define BIG_IQ_TABLE /* BIG_IQ_TABLE results in faster requantization */
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/* Use if target platform has address generators with autoincrement */
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//#define PREFER_POINTERS
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#define ERROR_RESILIENCE
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/* Allow decoding of MAIN profile AAC */
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#define MAIN_DEC
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/* Allow decoding of SSR profile AAC */
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#define SSR_DEC
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/* Allow decoding of LTP profile AAC */
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#define LTP_DEC
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/* Allow decoding of LD profile AAC */
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#define LD_DEC
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/* Allow decoding of scalable profiles */
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//#define SCALABLE_DEC
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/* Allow decoding of Digital Radio Mondiale (DRM) */
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//#define DRM
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//#define DRM_PS
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/* LD can't do without LTP */
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#ifdef LD_DEC
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#ifndef ERROR_RESILIENCE
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#define ERROR_RESILIENCE
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#endif
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#ifndef LTP_DEC
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#define LTP_DEC
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#endif
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#endif
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#define ALLOW_SMALL_FRAMELENGTH
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// Define LC_ONLY_DECODER if you want a pure AAC LC decoder (independant of SBR_DEC and PS_DEC)
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#define LC_ONLY_DECODER
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#ifdef LC_ONLY_DECODER
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#undef LD_DEC
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#undef LTP_DEC
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#undef MAIN_DEC
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#undef SSR_DEC
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#undef DRM
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#undef ALLOW_SMALL_FRAMELENGTH
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#undef ERROR_RESILIENCE
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#endif
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#if CODEC_SIZE >= 0x80000
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#define SBR_DEC
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//#define SBR_LOW_POWER /* Does not work yet in rockbox. */
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#define PS_DEC
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#endif
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/* FIXED POINT: No MAIN decoding */
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#ifdef FIXED_POINT
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# ifdef MAIN_DEC
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# undef MAIN_DEC
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# endif
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#endif // FIXED_POINT
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#ifdef DRM
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# ifndef SCALABLE_DEC
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# define SCALABLE_DEC
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# endif
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#endif
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#ifdef FIXED_POINT
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#define DIV_R(A, B) (((int64_t)A << REAL_BITS)/B)
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#define DIV_C(A, B) (((int64_t)A << COEF_BITS)/B)
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#define DIV_Q(A, B) (((int64_t)A << Q2_BITS )/B)
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#else
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#define DIV_R(A, B) ((A)/(B))
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#define DIV_C(A, B) ((A)/(B))
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#define DIV_Q(A, B) ((A)/(B))
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#endif
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#ifndef SBR_LOW_POWER
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#define qmf_t complex_t
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#define QMF_RE(A) RE(A)
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#define QMF_IM(A) IM(A)
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#else
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#define qmf_t real_t
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#define QMF_RE(A) (A)
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#define QMF_IM(A)
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#endif
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/* END COMPILE TIME DEFINITIONS */
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#if defined(_WIN32) && !defined(__MINGW32__)
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#include <stdlib.h>
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typedef unsigned __int64 uint64_t;
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typedef unsigned __int32 uint32_t;
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typedef unsigned __int16 uint16_t;
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typedef unsigned __int8 uint8_t;
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typedef __int64 int64_t;
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typedef __int32 int32_t;
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typedef __int16 int16_t;
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typedef __int8 int8_t;
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typedef float float32_t;
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#else
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#include <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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# include "inttypes.h"
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#endif
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#else
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# ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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# endif
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#endif
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#ifdef HAVE_STRING_H
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# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
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# include <memory.h>
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# endif
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//# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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//# include <strings.h>
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#endif
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#ifdef HAVE_INTTYPES_H
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# include <inttypes.h>
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#else
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# ifdef HAVE_STDINT_H
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# include <stdint.h>
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# else
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/* we need these... */
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typedef unsigned long long uint64_t;
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typedef unsigned long uint32_t;
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typedef unsigned short uint16_t;
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typedef unsigned char uint8_t;
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typedef long long int64_t;
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typedef long int32_t;
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typedef short int16_t;
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typedef char int8_t;
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# endif
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifndef HAVE_FLOAT32_T
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typedef float float32_t;
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#endif
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#if STDC_HEADERS
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//# include <string.h>
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#else
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# if !HAVE_STRCHR
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# define strchr index
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# define strrchr rindex
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# endif
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char *strchr(), *strrchr();
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# if !HAVE_MEMCPY
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# define memcpy(d, s, n) bcopy((s), (d), (n))
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# define memmove(d, s, n) bcopy((s), (d), (n))
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# endif
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#endif
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#endif
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#ifdef WORDS_BIGENDIAN
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#define ARCH_IS_BIG_ENDIAN
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#endif
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/* FIXED_POINT doesn't work with MAIN and SSR yet */
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#ifdef FIXED_POINT
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#undef MAIN_DEC
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#undef SSR_DEC
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#endif
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#if defined(FIXED_POINT)
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#include "fixed.h"
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#elif defined(USE_DOUBLE_PRECISION)
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typedef double real_t;
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#include <math.h>
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#define MUL_R(A,B) ((A)*(B))
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#define MUL_C(A,B) ((A)*(B))
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#define MUL_F(A,B) ((A)*(B))
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#define MUL_Q2(A,B) ((A)*(B))
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/* Complex multiplication */
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static INLINE void ComplexMult(real_t *y1, real_t *y2,
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real_t x1, real_t x2, real_t c1, real_t c2)
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{
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*y1 = MUL_F(x1, c1) + MUL_F(x2, c2);
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*y2 = MUL_F(x2, c1) - MUL_F(x1, c2);
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}
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#define REAL_CONST(A) ((real_t)(A))
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#define COEF_CONST(A) ((real_t)(A))
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#define Q2_CONST(A) ((real_t)(A))
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#define FRAC_CONST(A) ((real_t)(A)) /* pure fractional part */
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#else /* Normal floating point operation */
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typedef float real_t;
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#define MUL_R(A,B) ((A)*(B))
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#define MUL_C(A,B) ((A)*(B))
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#define MUL_F(A,B) ((A)*(B))
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#define MUL_Q2(A,B) ((A)*(B))
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#define REAL_CONST(A) ((real_t)(A))
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#define COEF_CONST(A) ((real_t)(A))
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#define Q2_CONST(A) ((real_t)(A))
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#define FRAC_CONST(A) ((real_t)(A)) /* pure fractional part */
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/* Complex multiplication */
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static INLINE void ComplexMult(real_t *y1, real_t *y2,
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real_t x1, real_t x2, real_t c1, real_t c2)
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{
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*y1 = MUL_F(x1, c1) + MUL_F(x2, c2);
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*y2 = MUL_F(x2, c1) - MUL_F(x1, c2);
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}
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/* rockbox: must be commented to build for non-FP
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#if defined(_WIN32) && !defined(__MINGW32__)
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#define HAS_LRINTF
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static INLINE int lrintf(float f)
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{
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int i;
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__asm
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{
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fld f
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fistp i
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}
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return i;
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}
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#elif (defined(__i386__) && defined(__GNUC__))
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#define HAS_LRINTF
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// from http://www.stereopsis.com/FPU.html
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static INLINE int lrintf(float f)
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{
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int i;
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__asm__ __volatile__ (
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"flds %1 \n\t"
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"fistpl %0 \n\t"
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: "=m" (i)
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: "m" (f));
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return i;
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}
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#endif
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*/
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#ifdef __ICL /* only Intel C compiler has fmath ??? */
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#include <mathf.h>
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#define sin sinf
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#define cos cosf
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#define log logf
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#define floor floorf
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#define ceil ceilf
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#define sqrt sqrtf
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#else
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#ifdef HAVE_LRINTF
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# define HAS_LRINTF
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# define _ISOC9X_SOURCE 1
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# define _ISOC99_SOURCE 1
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# define __USE_ISOC9X 1
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# define __USE_ISOC99 1
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#endif
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#include <math.h>
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#ifdef HAVE_SINF
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# define sin sinf
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#error
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#endif
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#ifdef HAVE_COSF
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# define cos cosf
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#endif
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#ifdef HAVE_LOGF
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# define log logf
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#endif
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#ifdef HAVE_EXPF
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# define exp expf
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#endif
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#ifdef HAVE_FLOORF
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# define floor floorf
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#endif
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#ifdef HAVE_CEILF
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# define ceil ceilf
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#endif
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#ifdef HAVE_SQRTF
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# define sqrt sqrtf
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#endif
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#endif
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#endif
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#ifndef HAS_LRINTF
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/* standard cast */
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#define lrintf(f) ((int32_t)(f))
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#endif
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typedef real_t complex_t[2];
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#define RE(A) A[0]
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#define IM(A) A[1]
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/* common functions */
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uint8_t cpu_has_sse(void);
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uint32_t random_int(void);
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#define wl_min_lzc(x) bs_generic(x, BS_LOG2|BS_0_0)
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#ifdef FIXED_POINT
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#define LOG2_MIN_INF REAL_CONST(-10000)
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int32_t log2_int(uint32_t val);
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int32_t log2_fix(uint32_t val);
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uint32_t pow2_int(real_t val);
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uint32_t pow2_fix(real_t val);
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#endif
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uint8_t get_sr_index(const uint32_t samplerate);
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uint8_t max_pred_sfb(const uint8_t sr_index);
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uint8_t max_tns_sfb(const uint8_t sr_index, const uint8_t object_type,
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const uint8_t is_short);
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uint32_t get_sample_rate(const uint8_t sr_index);
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int8_t can_decode_ot(const uint8_t object_type);
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#ifndef FAAD_STATIC_ALLOC
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/* Those should not be defined or used anymore */
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#define faad_malloc(A) malloc(A)
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#define faad_free(A) free(A)
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#endif
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//#define PROFILE
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#ifdef PROFILE
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static int64_t faad_get_ts()
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{
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__asm
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{
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rdtsc
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}
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}
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#endif
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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#ifndef M_PI_2 /* PI/2 */
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#define M_PI_2 1.57079632679489661923
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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