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-rw-r--r--libfaad2/common.h192
1 files changed, 157 insertions, 35 deletions
diff --git a/libfaad2/common.h b/libfaad2/common.h
index 2b0c204fee..513fb8ff8b 100644
--- a/libfaad2/common.h
+++ b/libfaad2/common.h
@@ -1,19 +1,19 @@
/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
-** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com
-**
+** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
+**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
-**
+**
** This program 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 General Public License for more details.
-**
+**
** You should have received a copy of the GNU General Public License
-** along with this program; if not, write to the Free Software
+** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** Any non-GPL usage of this software or parts of this software is strictly
@@ -32,9 +32,17 @@
extern "C" {
#endif
-# include "../config.h"
+/* Allow build on cygwin*/
+#if defined(__CYGWIN__)
+#define __STRICT_ANSI__
+#endif
#define INLINE __inline
+#if defined(_WIN32) && !defined(_WIN32_WCE)
+#define ALIGN __declspec(align(16))
+#else
+#define ALIGN
+#endif
#ifndef max
#define max(a, b) (((a) > (b)) ? (a) : (b))
@@ -43,7 +51,6 @@ extern "C" {
#define min(a, b) (((a) < (b)) ? (a) : (b))
#endif
-
/* COMPILE TIME DEFINITIONS */
/* use double precision */
@@ -51,6 +58,11 @@ extern "C" {
/* use fixed point reals */
//#define FIXED_POINT
+#ifdef _WIN32_WCE
+#define FIXED_POINT
+#endif
+
+
#define ERROR_RESILIENCE
@@ -62,6 +74,11 @@ extern "C" {
#define LTP_DEC
/* Allow decoding of LD profile AAC */
#define LD_DEC
+/* Allow decoding of scalable profiles */
+//#define SCALABLE_DEC
+/* Allow decoding of Digital Radio Mondiale (DRM) */
+//#define DRM
+//#define DRM_PS
/* LD can't do without LTP */
#ifdef LD_DEC
@@ -73,13 +90,47 @@ extern "C" {
#endif
#endif
+#define ALLOW_SMALL_FRAMELENGTH
+
+
+// Define LC_ONLY_DECODER if you want a pure AAC LC decoder (independant of SBR_DEC)
+//#define LC_ONLY_DECODER
+#ifdef LC_ONLY_DECODER
+ #undef LTP_DEC
+ #undef MAIN_DEC
+ #undef SSR_DEC
+ #undef DRM
+ #undef ALLOW_SMALL_FRAMELENGTH
+ #undef ERROR_RESILIENCE
+#endif
#define SBR_DEC
//#define SBR_LOW_POWER
+//#define PS_DEC
+/* FIXED POINT: No MAIN decoding, no SBR decoding */
#ifdef FIXED_POINT
-#ifndef SBR_LOW_POWER
-#define SBR_LOW_POWER
+# ifdef MAIN_DEC
+# undef MAIN_DEC
+# endif
+//# ifndef SBR_LOW_POWER
+//# define SBR_LOW_POWER
+//# endif
+# ifdef SBR_DEC
+# undef SBR_DEC
+# endif
+#endif // FIXED_POINT
+
+#ifdef DRM
+# ifndef SCALABLE_DEC
+# define SCALABLE_DEC
+# endif
+#endif
+
+#if ((defined(_WIN32) && !defined(_WIN32_WCE)) /* || ((__GNUC__ >= 3) && defined(__i386__)) */ )
+#ifndef FIXED_POINT
+/* includes <xmmintrin.h> to enable SSE intrinsics */
+//#define USE_SSE
#endif
#endif
@@ -96,17 +147,12 @@ extern "C" {
#else
#define qmf_t real_t
#define QMF_RE(A) (A)
-#define QMF_IM(A) 0
+#define QMF_IM(A)
#endif
/* END COMPILE TIME DEFINITIONS */
-#ifndef FIXED_POINT
-#define POW_TABLE_SIZE 200
-#endif
-
-
#if defined(_WIN32)
#if 0
@@ -125,10 +171,9 @@ typedef float float32_t;
#else
-
/* Define if needed */
-/* #undef HAVE_FLOAT32_T */
+/* #undef HAVE_FLOAT32_T */
/* Define if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1
@@ -144,7 +189,9 @@ typedef float float32_t;
/* Define if you have the ANSI C header files. */
#define STDC_HEADERS 1
-
+#ifdef HAVE_CONFIG_H
+# include "../config.h"
+#endif
#include <stdio.h>
#if HAVE_SYS_TYPES_H
@@ -224,12 +271,6 @@ char *strchr(), *strrchr();
#if defined(FIXED_POINT)
- #ifdef HAS_MATHF_H
- #include <mathf.h>
- #else
- #include <math.h>
- #endif
-
#include "fixed.h"
#elif defined(USE_DOUBLE_PRECISION)
@@ -238,23 +279,74 @@ char *strchr(), *strrchr();
#include <math.h>
- #define MUL(A,B) ((A)*(B))
- #define MUL_C_C(A,B) ((A)*(B))
- #define MUL_R_C(A,B) ((A)*(B))
+ #define MUL_R(A,B) ((A)*(B))
+ #define MUL_C(A,B) ((A)*(B))
+ #define MUL_F(A,B) ((A)*(B))
+
+ /* Complex multiplication */
+ static INLINE void ComplexMult(real_t *y1, real_t *y2,
+ real_t x1, real_t x2, real_t c1, real_t c2)
+ {
+ *y1 = MUL_F(x1, c1) + MUL_F(x2, c2);
+ *y2 = MUL_F(x2, c1) - MUL_F(x1, c2);
+ }
#define REAL_CONST(A) ((real_t)(A))
#define COEF_CONST(A) ((real_t)(A))
+ #define FRAC_CONST(A) ((real_t)(A)) /* pure fractional part */
#else /* Normal floating point operation */
typedef float real_t;
- #define MUL(A,B) ((A)*(B))
- #define MUL_C_C(A,B) ((A)*(B))
- #define MUL_R_C(A,B) ((A)*(B))
+#ifdef USE_SSE
+# include <xmmintrin.h>
+#endif
+
+ #define MUL_R(A,B) ((A)*(B))
+ #define MUL_C(A,B) ((A)*(B))
+ #define MUL_F(A,B) ((A)*(B))
#define REAL_CONST(A) ((real_t)(A))
#define COEF_CONST(A) ((real_t)(A))
+ #define FRAC_CONST(A) ((real_t)(A)) /* pure fractional part */
+
+ /* Complex multiplication */
+ static INLINE void ComplexMult(real_t *y1, real_t *y2,
+ real_t x1, real_t x2, real_t c1, real_t c2)
+ {
+ *y1 = MUL_F(x1, c1) + MUL_F(x2, c2);
+ *y2 = MUL_F(x2, c1) - MUL_F(x1, c2);
+ }
+
+
+ #if defined(_WIN32) && !defined(__MINGW32__)
+ #define HAS_LRINTF
+ static INLINE int lrintf(float f)
+ {
+ int i;
+ __asm
+ {
+ fld f
+ fistp i
+ }
+ return i;
+ }
+ #elif (defined(__i386__) && defined(__GNUC__)) && !defined(__MINGW32__)
+ #define HAS_LRINTF
+ // from http://www.stereopsis.com/FPU.html
+ static INLINE int lrintf(float f)
+ {
+ int i;
+ __asm__ __volatile__ (
+ "flds %1 \n\t"
+ "fistpl %0 \n\t"
+ : "=m" (i)
+ : "m" (f));
+ return i;
+ }
+ #endif
+
#ifdef __ICL /* only Intel C compiler has fmath ??? */
@@ -269,6 +361,14 @@ char *strchr(), *strrchr();
#else
+#ifdef HAVE_LRINTF
+# define HAS_LRINTF
+# define _ISOC9X_SOURCE 1
+# define _ISOC99_SOURCE 1
+# define __USE_ISOC9X 1
+# define __USE_ISOC99 1
+#endif
+
#include <math.h>
#ifdef HAVE_SINF
@@ -298,20 +398,42 @@ char *strchr(), *strrchr();
#endif
+#ifndef HAS_LRINTF
+/* standard cast */
+#define lrintf(f) ((int32_t)(f))
+#endif
+
typedef real_t complex_t[2];
#define RE(A) A[0]
#define IM(A) A[1]
/* common functions */
-int32_t int_log2(int32_t val);
+uint8_t cpu_has_sse(void);
uint32_t random_int(void);
-uint8_t get_sr_index(uint32_t samplerate);
-uint32_t get_sample_rate(uint8_t sr_index);
-int8_t can_decode_ot(uint8_t object_type);
+uint8_t get_sr_index(const uint32_t samplerate);
+uint8_t max_pred_sfb(const uint8_t sr_index);
+uint8_t max_tns_sfb(const uint8_t sr_index, const uint8_t object_type,
+ const uint8_t is_short);
+uint32_t get_sample_rate(const uint8_t sr_index);
+int8_t can_decode_ot(const uint8_t object_type);
+
+void *faad_malloc(int32_t size);
+void faad_free(void *b);
+
+//#define PROFILE
+#ifdef PROFILE
+static int64_t faad_get_ts()
+{
+ __asm
+ {
+ rdtsc
+ }
+}
+#endif
#ifndef M_PI
-#define M_PI 3.14159265358979323846f
+#define M_PI 3.14159265358979323846
#endif
#ifndef M_PI_2 /* PI/2 */
#define M_PI_2 1.57079632679489661923
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-08 13:39:58 +0000