Browse Source

IOS & WinPhone with same util set. MP3 player can use enhanced instructions now. Better touch support if KeepAspectRatio is set.

louyihua 10 years ago
parent
commit
145280df36
12 changed files with 269 additions and 1119 deletions
  1. 4 4
      common.h
  2. 3 3
      global.c
  3. 38 12
      input.c
  4. 8 0
      input.h
  5. BIN
      ios/SDLPal/SDLPal/Icon.png
  6. 18 2
      ios/SDLPal/SDLPal/util.m
  7. 154 138
      libmad/libmad_config.h
  8. 8 916
      libmad/mad.h
  9. 1 1
      main.c
  10. 4 18
      util.h
  11. 28 22
      video.c
  12. 3 3
      winphone/SDLPal/WinPhoneUtil.cpp

+ 4 - 4
common.h

@@ -177,8 +177,8 @@ extern "C"
 
 #elif defined (__IOS__)
 
-#define PAL_PREFIX            UTIL_IOS_BasePath()
-#define PAL_SAVE_PREFIX       UTIL_IOS_SavePath()
+#define PAL_PREFIX            UTIL_BasePath()
+#define PAL_SAVE_PREFIX       UTIL_SavePath()
 #define PAL_HAS_TOUCH         1
 #define PAL_DEFAULT_WINDOW_WIDTH   320
 #define PAL_DEFAULT_WINDOW_HEIGHT  200
@@ -205,8 +205,8 @@ extern "C"
 
 #elif defined (__WINPHONE__)
 
-#define PAL_PREFIX            UTIL_WP_BasePath()
-#define PAL_SAVE_PREFIX       UTIL_WP_SavePath()
+#define PAL_PREFIX            UTIL_BasePath()
+#define PAL_SAVE_PREFIX       UTIL_SavePath()
 #define PAL_HAS_TOUCH         1
 #define PAL_AUDIO_DEFAULT_BUFFER_SIZE   4096
 #define PAL_DEFAULT_WINDOW_WIDTH   320

+ 3 - 3
global.c

@@ -319,11 +319,11 @@ PAL_InitGlobals(
    gpGlobals->dwExtraItemDescLines = dwExtraItemDescLines;
    gpGlobals->wAudioBufferSize = (WORD)iAudioBufferSize;
    gpGlobals->iVolume = SDL_MIX_MAXVOLUME * iVolume / 100;
-#if defined(NDS) || defined(__SYMBIAN32__) || defined(GEKKO) || defined(PSP) || defined(GEKKO) || defined(GPH) || defined(DINGOO) || defined(__IOS__) || defined(__ANDROID__)
+#if defined(NDS) || defined(__SYMBIAN32__) || defined(GEKKO) || defined(PSP) || defined(GEKKO) || defined(GPH) || defined(DINGOO) || defined(__ANDROID__)
    gpGlobals->dwScreenWidth = PAL_DEFAULT_WINDOW_WIDTH;
    gpGlobals->dwScreenHeight = PAL_DEFAULT_WINDOW_HEIGHT;
-#elif defined(__WINPHONE__)
-   if (UTIL_WP_GetScreenSize(&dwScreenWidth, &dwScreenHeight))
+#elif defined(__WINPHONE__) || defined(__IOS__)
+   if (UTIL_GetScreenSize(&dwScreenWidth, &dwScreenHeight))
    {
       gpGlobals->dwScreenWidth = dwScreenWidth;
       gpGlobals->dwScreenHeight = dwScreenHeight;

+ 38 - 12
input.c

@@ -695,30 +695,54 @@ PAL_JoystickEventFilter(
 #define  TOUCH_BUTTON3  7
 #define  TOUCH_BUTTON4  8
 
+static float gfTouchXMin = 0.0f;
+static float gfTouchXMax = 1.0f;
+static float gfTouchYMin = 0.0f;
+static float gfTouchYMax = 1.0f;
+
+VOID
+PAL_SetTouchBounds(
+   DWORD dwScreenWidth,
+   DWORD dwScreenHeight,
+   SDL_Rect renderRect
+)
+{
+   gfTouchXMin = (float)renderRect.x / dwScreenWidth;
+   gfTouchXMax = (float)(renderRect.x + renderRect.w) / dwScreenWidth;
+   gfTouchYMin = (float)renderRect.y / dwScreenHeight;
+   gfTouchYMax = (float)(renderRect.y + renderRect.h) / dwScreenHeight;
+}
+
 static int
 PAL_GetTouchArea(
    float X,
    float Y
 )
 {
-   if (Y < 0.5)
+   if (X < gfTouchXMin || X > gfTouchXMax || Y < 0.5f || Y > gfTouchYMax)
    {
       //
-      // Upper area
+      // Upper area or cropped area
       //
       return TOUCH_NONE;
    }
-   else if (X < 1.0 / 3)
+   else
    {
-      if (Y - 0.5 < (1.0 / 6 - fabs(X - 1.0 / 3 / 2)) * (0.5 / (1.0 / 3)))
+      X = (X - gfTouchXMin) / (gfTouchXMax - gfTouchXMin);
+	  Y = (Y - gfTouchYMin) / (gfTouchYMax - gfTouchYMin);
+   }
+
+   if (X < 1.0f / 3)
+   {
+      if (Y - 0.5f < (1.0f / 6 - fabsf(X - 1.0f / 3 / 2)) * (0.5f / (1.0f / 3)))
       {
          return TOUCH_UP;
       }
-      else if (Y - 0.75 > fabs(X - 1.0 / 3 / 2) * (0.5 / (1.0 / 3)))
+      else if (Y - 0.75f > fabsf(X - 1.0f / 3 / 2) * (0.5f / (1.0f / 3)))
       {
          return TOUCH_DOWN;
       }
-      else if (X < 1.0 / 3 / 2 && fabs(Y - 0.75) < 0.25 - X * (0.5 / (1.0 / 3)))
+      else if (X < 1.0f / 3 / 2 && fabsf(Y - 0.75f) < 0.25f - X * (0.5f / (1.0f / 3)))
       {
          return TOUCH_LEFT;
       }
@@ -727,11 +751,11 @@ PAL_GetTouchArea(
          return TOUCH_RIGHT;
       }
    }
-   else if (X > 1.0 - 1.0 / 3)
+   else if (X > 1.0f - 1.0f / 3)
    {
-      if (X < 1.0 - (1.0 / 3 / 2))
+      if (X < 1.0f - (1.0f / 3 / 2))
       {
-         if (Y < 0.75)
+         if (Y < 0.75f)
          {
             return TOUCH_BUTTON1;
          }
@@ -742,7 +766,7 @@ PAL_GetTouchArea(
       }
       else
       {
-         if (Y < 0.75)
+         if (Y < 0.75f)
          {
             return TOUCH_BUTTON2;
          }
@@ -752,8 +776,10 @@ PAL_GetTouchArea(
          }
       }
    }
-
-   return TOUCH_NONE;
+   else 
+   {
+      return TOUCH_NONE;
+   }
 }
 
 static VOID

+ 8 - 0
input.h

@@ -83,6 +83,14 @@ PAL_PollEvent(
    SDL_Event *event
 );
 
+# if PAL_HAS_TOUCH
+VOID
+PAL_SetTouchBounds(
+   DWORD dwScreenWidth,
+   DWORD dwScreenHeight,
+   SDL_Rect renderRect
+);
+# endif
 
 extern BOOL g_fUseJoystick;
 

BIN
ios/SDLPal/SDLPal/Icon.png


+ 18 - 2
ios/SDLPal/SDLPal/util.m

@@ -1,9 +1,10 @@
 #include <Foundation/Foundation.h>
+#include <UIKit/UIKit.h>
 #include "common.h"
 #include "SDL_filesystem.h"
 
 LPCSTR
-UTIL_IOS_BasePath(
+UTIL_BasePath(
    VOID
 )
 {
@@ -29,7 +30,7 @@ UTIL_IOS_BasePath(
 }
 
 LPCSTR
-UTIL_IOS_SavePath(
+UTIL_SavePath(
    VOID
 )
 {
@@ -44,3 +45,18 @@ UTIL_IOS_SavePath(
 
    return buf;
 }
+
+BOOL
+UTIL_GetScreenSize(
+   DWORD *pdwScreenWidth,
+   DWORD *pdwScreenHeight
+)
+{
+   if (!pdwScreenWidth || !pdwScreenHeight) return FALSE;
+    
+   CGRect rect = [UIScreen mainScreen].nativeBounds;
+   *pdwScreenWidth = rect.size.height;
+   *pdwScreenHeight = rect.size.width;
+    
+   return TRUE;
+}

+ 154 - 138
libmad/libmad_config.h

@@ -1,139 +1,155 @@
-/* config.h.  Generated by configure.  */
-/* config.h.in.  Generated from configure.ac by autoheader.  */
-
-/* Define to enable diagnostic debugging support. */
-/* #undef DEBUG */
-
-/* Define to enable experimental code. */
-/* #undef EXPERIMENTAL */
-
-/* Define to 1 if you have the <assert.h> header file. */
-#define HAVE_ASSERT_H 1
-
-/* Define to 1 if you have the <dlfcn.h> header file. */
-/* #undef HAVE_DLFCN_H */
-
-/* Define to 1 if you have the <errno.h> header file. */
-#define HAVE_ERRNO_H 1
-
-/* Define to 1 if you have the `fcntl' function. */
-/* #undef HAVE_FCNTL */
-
-/* Define to 1 if you have the <fcntl.h> header file. */
-#define HAVE_FCNTL_H 1
-
-/* Define to 1 if you have the `fork' function. */
-/* #undef HAVE_FORK */
-
-/* Define to 1 if you have the <inttypes.h> header file. */
-#define HAVE_INTTYPES_H 1
-
-/* Define to 1 if you have the <limits.h> header file. */
-#define HAVE_LIMITS_H 1
-
-/* Define if your MIPS CPU supports a 2-operand MADD16 instruction. */
-/* #undef HAVE_MADD16_ASM */
-
-/* Define if your MIPS CPU supports a 2-operand MADD instruction. */
-/* #undef HAVE_MADD_ASM */
-
-/* Define to 1 if you have the <memory.h> header file. */
-#define HAVE_MEMORY_H 1
-
-/* Define to 1 if you have the `pipe' function. */
-/* #undef HAVE_PIPE */
-
-/* Define to 1 if you have the <stdint.h> header file. */
-#define HAVE_STDINT_H 1
-
-/* Define to 1 if you have the <stdlib.h> header file. */
-#define HAVE_STDLIB_H 1
-
-/* Define to 1 if you have the <strings.h> header file. */
-#define HAVE_STRINGS_H 1
-
-/* Define to 1 if you have the <string.h> header file. */
-#define HAVE_STRING_H 1
-
-/* Define to 1 if you have the <sys/stat.h> header file. */
-#define HAVE_SYS_STAT_H 1
-
-/* Define to 1 if you have the <sys/types.h> header file. */
-#define HAVE_SYS_TYPES_H 1
-
-/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
-/* #undef HAVE_SYS_WAIT_H */
-
-/* Define to 1 if you have the <unistd.h> header file. */
-/* #undef HAVE_UNISTD_H */
-
-/* Define to 1 if you have the `waitpid' function. */
-/* #undef HAVE_WAITPID */
-
-/* Define to disable debugging assertions. */
-/* #undef NDEBUG */
-
-/* Define to optimize for accuracy over speed. */
-/* #undef OPT_ACCURACY */
-
-/* Define to optimize for speed over accuracy. */
-/* #undef OPT_SPEED */
-
-/* Define to enable a fast subband synthesis approximation optimization. */
-/* #undef OPT_SSO */
-
-/* Define to influence a strict interpretation of the ISO/IEC standards, even
-   if this is in opposition with best accepted practices. */
-/* #undef OPT_STRICT */
-
-/* Name of package */
-#define PACKAGE "libmad"
-
-/* Define to the address where bug reports for this package should be sent. */
-#define PACKAGE_BUGREPORT "support@underbit.com"
-
-/* Define to the full name of this package. */
-#define PACKAGE_NAME "MPEG Audio Decoder"
-
-/* Define to the full name and version of this package. */
-#define PACKAGE_STRING "MPEG Audio Decoder 0.15.1b"
-
-/* Define to the one symbol short name of this package. */
-#define PACKAGE_TARNAME "libmad"
-
-/* Define to the version of this package. */
-#define PACKAGE_VERSION "0.15.1b"
-
-/* The size of a `int', as computed by sizeof. */
-#define SIZEOF_INT 4
-
-/* The size of a `long', as computed by sizeof. */
-#define SIZEOF_LONG 4
-
-/* The size of a `long long', as computed by sizeof. */
-#define SIZEOF_LONG_LONG 8
-
-/* Define to 1 if you have the ANSI C header files. */
-#define STDC_HEADERS 1
-
-/* Version number of package */
-#define VERSION "0.15.1b"
-
-/* Define to empty if `const' does not conform to ANSI C. */
-/* #undef const */
-
-/* Define as `__inline' if that's what the C compiler calls it, or to nothing
-   if it is not supported. */
-#define inline __inline
-
-/* Define to `int' if <sys/types.h> does not define. */
-/* #undef pid_t */
-
-#define FPM_DEFAULT 1
-
-#ifdef _MSC_VER
-#pragma warning (disable:4018)
-#pragma warning (disable:4146)
-#pragma warning (disable:4244)
-#pragma warning (disable:4996)
+/* config.h.  Generated by configure.  */
+/* config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to enable diagnostic debugging support. */
+/* #undef DEBUG */
+
+/* Define to enable experimental code. */
+/* #undef EXPERIMENTAL */
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+/* #undef HAVE_DLFCN_H */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the `fcntl' function. */
+/* #undef HAVE_FCNTL */
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have the `fork' function. */
+/* #undef HAVE_FORK */
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+/*#define HAVE_INTTYPES_H 1*/
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* Define if your MIPS CPU supports a 2-operand MADD16 instruction. */
+/* #undef HAVE_MADD16_ASM */
+
+/* Define if your MIPS CPU supports a 2-operand MADD instruction. */
+/* #undef HAVE_MADD_ASM */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the `pipe' function. */
+/* #undef HAVE_PIPE */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+/*#define HAVE_STRINGS_H 1*/
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
+/* #undef HAVE_SYS_WAIT_H */
+
+/* Define to 1 if you have the <unistd.h> header file. */
+/* #undef HAVE_UNISTD_H */
+
+/* Define to 1 if you have the `waitpid' function. */
+/* #undef HAVE_WAITPID */
+
+/* Define to disable debugging assertions. */
+/* #undef NDEBUG */
+
+/* Define to optimize for accuracy over speed. */
+/* #undef OPT_ACCURACY */
+
+/* Define to optimize for speed over accuracy. */
+/* #undef OPT_SPEED */
+
+/* Define to enable a fast subband synthesis approximation optimization. */
+/* #undef OPT_SSO */
+
+/* Define to influence a strict interpretation of the ISO/IEC standards, even
+   if this is in opposition with best accepted practices. */
+/* #undef OPT_STRICT */
+
+/* Name of package */
+#define PACKAGE "libmad"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "support@underbit.com"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "MPEG Audio Decoder"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "MPEG Audio Decoder 0.15.1b"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "libmad"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "0.15.1b"
+
+/* The size of a `int', as computed by sizeof. */
+#define SIZEOF_INT 4
+
+/* The size of a `long', as computed by sizeof. */
+#define SIZEOF_LONG 4
+
+/* The size of a `long long', as computed by sizeof. */
+#define SIZEOF_LONG_LONG 8
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Version number of package */
+#define VERSION "0.15.1b"
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Define as `__inline' if that's what the C compiler calls it, or to nothing
+   if it is not supported. */
+#define inline __inline
+
+/* Define to `int' if <sys/types.h> does not define. */
+/* #undef pid_t */
+
+#if defined(_M_IX86) || defined(__i386__) || defined(__x86_64__)
+#  define FPM_INTEL   1
+#elif defined(_M_X64)
+#  define FPM_64BIT   1
+#elif defined(__arm__)
+#  define FPM_ARM     1
+#elif defined(__mips__)
+#  define FPM_MIPS    1
+#elif defined(__sparc__)
+#  define FPM_SPARC   1
+#elif defined(__ppc__)
+#  define FPM_PPC     1
+#else
+#  define FPM_DEFAULT 1
+#endif
+
+#if defined(_MSC_VER)
+#  pragma warning(disable: 4018)
+#  pragma warning(disable: 4146)
+#  pragma warning(disable: 4244)
+#  ifndef _CRT_SECURE_NO_WARNINGS
+#    define _CRT_SECURE_NO_WARNINGS
+#  endif
 #endif

+ 8 - 916
libmad/mad.h

@@ -24,22 +24,7 @@
 extern "C" {
 # endif
 
-# if defined(_MSC_VER)
-#  if defined(_M_ARM)
-#   define FPM_ARM
-#  else
-#   define FPM_INTEL
-#  endif
-# else
-#  define FPM_INTEL
-#endif
-
-
-
-# define SIZEOF_INT 4
-# define SIZEOF_LONG 4
-# define SIZEOF_LONG_LONG 8
-
+#include "libmad_config.h"
 
 /* Id: version.h,v 1.26 2004/01/23 09:41:33 rob Exp */
 
@@ -70,903 +55,10 @@ extern char const mad_build[];
 
 # endif
 
-/* Id: fixed.h,v 1.38 2004/02/17 02:02:03 rob Exp */
-
-# ifndef LIBMAD_FIXED_H
-# define LIBMAD_FIXED_H
-
-# if SIZEOF_INT >= 4
-typedef   signed int mad_fixed_t;
-
-typedef   signed int mad_fixed64hi_t;
-typedef unsigned int mad_fixed64lo_t;
-# else
-typedef   signed long mad_fixed_t;
-
-typedef   signed long mad_fixed64hi_t;
-typedef unsigned long mad_fixed64lo_t;
-# endif
-
-# if defined(_MSC_VER)
-#  define mad_fixed64_t  signed __int64
-# elif 1 || defined(__GNUC__)
-#  define mad_fixed64_t  signed long long
-# endif
-
-# if defined(FPM_FLOAT)
-typedef double mad_sample_t;
-# else
-typedef mad_fixed_t mad_sample_t;
-# endif
-
-/*
- * Fixed-point format: 0xABBBBBBB
- * A == whole part      (sign + 3 bits)
- * B == fractional part (28 bits)
- *
- * Values are signed two's complement, so the effective range is:
- * 0x80000000 to 0x7fffffff
- *       -8.0 to +7.9999999962747097015380859375
- *
- * The smallest representable value is:
- * 0x00000001 == 0.0000000037252902984619140625 (i.e. about 3.725e-9)
- *
- * 28 bits of fractional accuracy represent about
- * 8.6 digits of decimal accuracy.
- *
- * Fixed-point numbers can be added or subtracted as normal
- * integers, but multiplication requires shifting the 64-bit result
- * from 56 fractional bits back to 28 (and rounding.)
- *
- * Changing the definition of MAD_F_FRACBITS is only partially
- * supported, and must be done with care.
- */
-
-# define MAD_F_FRACBITS		28
-
-# if MAD_F_FRACBITS == 28
-#  define MAD_F(x)		((mad_fixed_t) (x##L))
-# else
-#  if MAD_F_FRACBITS < 28
-#   warning "MAD_F_FRACBITS < 28"
-#   define MAD_F(x)		((mad_fixed_t)  \
-				 (((x##L) +  \
-				   (1L << (28 - MAD_F_FRACBITS - 1))) >>  \
-				  (28 - MAD_F_FRACBITS)))
-#  elif MAD_F_FRACBITS > 28
-#   error "MAD_F_FRACBITS > 28 not currently supported"
-#   define MAD_F(x)		((mad_fixed_t)  \
-				 ((x##L) << (MAD_F_FRACBITS - 28)))
-#  endif
-# endif
-
-# define MAD_F_MIN		((mad_fixed_t) -0x80000000L)
-# define MAD_F_MAX		((mad_fixed_t) +0x7fffffffL)
-
-# define MAD_F_ONE		MAD_F(0x10000000)
-
-# define mad_f_tofixed(x)	((mad_fixed_t)  \
-				 ((x) * (double) (1L << MAD_F_FRACBITS) + 0.5))
-# define mad_f_todouble(x)	((double)  \
-				 ((x) / (double) (1L << MAD_F_FRACBITS)))
-
-# define mad_f_intpart(x)	((x) >> MAD_F_FRACBITS)
-# define mad_f_fracpart(x)	((x) & ((1L << MAD_F_FRACBITS) - 1))
-				/* (x should be positive) */
-
-# define mad_f_fromint(x)	((x) << MAD_F_FRACBITS)
-
-# define mad_f_add(x, y)	((x) + (y))
-# define mad_f_sub(x, y)	((x) - (y))
-
-# if defined(FPM_FLOAT)
-#  error "FPM_FLOAT not yet supported"
-
-#  undef MAD_F
-#  define MAD_F(x)		mad_f_todouble(x)
-
-#  define mad_f_mul(x, y)	((x) * (y))
-#  define mad_f_scale64
-
-#  undef ASO_ZEROCHECK
-
-# elif defined(FPM_64BIT)
-
-/*
- * This version should be the most accurate if 64-bit types are supported by
- * the compiler, although it may not be the most efficient.
- */
-#  if defined(OPT_ACCURACY)
-#   define mad_f_mul(x, y)  \
-    ((mad_fixed_t)  \
-     ((((mad_fixed64_t) (x) * (y)) +  \
-       (1L << (MAD_F_SCALEBITS - 1))) >> MAD_F_SCALEBITS))
-#  else
-#   define mad_f_mul(x, y)  \
-    ((mad_fixed_t) (((mad_fixed64_t) (x) * (y)) >> MAD_F_SCALEBITS))
-#  endif
-
-#  define MAD_F_SCALEBITS  MAD_F_FRACBITS
-
-/* --- Intel --------------------------------------------------------------- */
-
-# elif defined(FPM_INTEL)
-
-#  if defined(_MSC_VER)
-#   pragma warning(push)
-#   pragma warning(disable: 4035)  /* no return value */
-static __forceinline
-mad_fixed_t mad_f_mul_inline(mad_fixed_t x, mad_fixed_t y)
-{
-  enum {
-    fracbits = MAD_F_FRACBITS
-  };
-
-  __asm {
-    mov eax, x
-    imul y
-    shrd eax, edx, fracbits
-  }
-
-  /* implicit return of eax */
-}
-#   pragma warning(pop)
-
-#   define mad_f_mul		mad_f_mul_inline
-#   define mad_f_scale64
-#  else
-/*
- * This Intel version is fast and accurate; the disposition of the least
- * significant bit depends on OPT_ACCURACY via mad_f_scale64().
- */
-#   define MAD_F_MLX(hi, lo, x, y)  \
-    asm ("imull %3"  \
-	 : "=a" (lo), "=d" (hi)  \
-	 : "%a" (x), "rm" (y)  \
-	 : "cc")
-
-#   if defined(OPT_ACCURACY)
-/*
- * This gives best accuracy but is not very fast.
- */
-#    define MAD_F_MLA(hi, lo, x, y)  \
-    ({ mad_fixed64hi_t __hi;  \
-       mad_fixed64lo_t __lo;  \
-       MAD_F_MLX(__hi, __lo, (x), (y));  \
-       asm ("addl %2,%0\n\t"  \
-	    "adcl %3,%1"  \
-	    : "=rm" (lo), "=rm" (hi)  \
-	    : "r" (__lo), "r" (__hi), "0" (lo), "1" (hi)  \
-	    : "cc");  \
-    })
-#   endif  /* OPT_ACCURACY */
-
-#   if defined(OPT_ACCURACY)
-/*
- * Surprisingly, this is faster than SHRD followed by ADC.
- */
-#    define mad_f_scale64(hi, lo)  \
-    ({ mad_fixed64hi_t __hi_;  \
-       mad_fixed64lo_t __lo_;  \
-       mad_fixed_t __result;  \
-       asm ("addl %4,%2\n\t"  \
-	    "adcl %5,%3"  \
-	    : "=rm" (__lo_), "=rm" (__hi_)  \
-	    : "0" (lo), "1" (hi),  \
-	      "ir" (1L << (MAD_F_SCALEBITS - 1)), "ir" (0)  \
-	    : "cc");  \
-       asm ("shrdl %3,%2,%1"  \
-	    : "=rm" (__result)  \
-	    : "0" (__lo_), "r" (__hi_), "I" (MAD_F_SCALEBITS)  \
-	    : "cc");  \
-       __result;  \
-    })
-#   elif defined(OPT_INTEL)
-/*
- * Alternate Intel scaling that may or may not perform better.
- */
-#    define mad_f_scale64(hi, lo)  \
-    ({ mad_fixed_t __result;  \
-       asm ("shrl %3,%1\n\t"  \
-	    "shll %4,%2\n\t"  \
-	    "orl %2,%1"  \
-	    : "=rm" (__result)  \
-	    : "0" (lo), "r" (hi),  \
-	      "I" (MAD_F_SCALEBITS), "I" (32 - MAD_F_SCALEBITS)  \
-	    : "cc");  \
-       __result;  \
-    })
-#   else
-#    define mad_f_scale64(hi, lo)  \
-    ({ mad_fixed_t __result;  \
-       asm ("shrdl %3,%2,%1"  \
-	    : "=rm" (__result)  \
-	    : "0" (lo), "r" (hi), "I" (MAD_F_SCALEBITS)  \
-	    : "cc");  \
-       __result;  \
-    })
-#   endif  /* OPT_ACCURACY */
-
-#   define MAD_F_SCALEBITS  MAD_F_FRACBITS
-#  endif
-
-/* --- ARM ----------------------------------------------------------------- */
-
-# elif defined(FPM_ARM)
-
-/* 
- * This ARM V4 version is as accurate as FPM_64BIT but much faster. The
- * least significant bit is properly rounded at no CPU cycle cost!
- */
-# if 1
-/*
- * This is faster than the default implementation via MAD_F_MLX() and
- * mad_f_scale64().
- */
-#  define mad_f_mul(x, y)  \
-    ({ mad_fixed64hi_t __hi;  \
-       mad_fixed64lo_t __lo;  \
-       mad_fixed_t __result;  \
-       asm ("smull	%0, %1, %3, %4\n\t"  \
-	    "movs	%0, %0, lsr %5\n\t"  \
-	    "adc	%2, %0, %1, lsl %6"  \
-	    : "=&r" (__lo), "=&r" (__hi), "=r" (__result)  \
-	    : "%r" (x), "r" (y),  \
-	      "M" (MAD_F_SCALEBITS), "M" (32 - MAD_F_SCALEBITS)  \
-	    : "cc");  \
-       __result;  \
-    })
-# endif
-
-#  define MAD_F_MLX(hi, lo, x, y)  \
-    asm ("smull	%0, %1, %2, %3"  \
-	 : "=&r" (lo), "=&r" (hi)  \
-	 : "%r" (x), "r" (y))
-
-#  define MAD_F_MLA(hi, lo, x, y)  \
-    asm ("smlal	%0, %1, %2, %3"  \
-	 : "+r" (lo), "+r" (hi)  \
-	 : "%r" (x), "r" (y))
-
-#  define MAD_F_MLN(hi, lo)  \
-    asm ("rsbs	%0, %2, #0\n\t"  \
-	 "rsc	%1, %3, #0"  \
-	 : "=r" (lo), "=r" (hi)  \
-	 : "0" (lo), "1" (hi)  \
-	 : "cc")
-
-#  define mad_f_scale64(hi, lo)  \
-    ({ mad_fixed_t __result;  \
-       asm ("movs	%0, %1, lsr %3\n\t"  \
-	    "adc	%0, %0, %2, lsl %4"  \
-	    : "=&r" (__result)  \
-	    : "r" (lo), "r" (hi),  \
-	      "M" (MAD_F_SCALEBITS), "M" (32 - MAD_F_SCALEBITS)  \
-	    : "cc");  \
-       __result;  \
-    })
-
-#  define MAD_F_SCALEBITS  MAD_F_FRACBITS
-
-/* --- MIPS ---------------------------------------------------------------- */
-
-# elif defined(FPM_MIPS)
-
-/*
- * This MIPS version is fast and accurate; the disposition of the least
- * significant bit depends on OPT_ACCURACY via mad_f_scale64().
- */
-#  define MAD_F_MLX(hi, lo, x, y)  \
-    asm ("mult	%2,%3"  \
-	 : "=l" (lo), "=h" (hi)  \
-	 : "%r" (x), "r" (y))
-
-# if defined(HAVE_MADD_ASM)
-#  define MAD_F_MLA(hi, lo, x, y)  \
-    asm ("madd	%2,%3"  \
-	 : "+l" (lo), "+h" (hi)  \
-	 : "%r" (x), "r" (y))
-# elif defined(HAVE_MADD16_ASM)
-/*
- * This loses significant accuracy due to the 16-bit integer limit in the
- * multiply/accumulate instruction.
- */
-#  define MAD_F_ML0(hi, lo, x, y)  \
-    asm ("mult	%2,%3"  \
-	 : "=l" (lo), "=h" (hi)  \
-	 : "%r" ((x) >> 12), "r" ((y) >> 16))
-#  define MAD_F_MLA(hi, lo, x, y)  \
-    asm ("madd16	%2,%3"  \
-	 : "+l" (lo), "+h" (hi)  \
-	 : "%r" ((x) >> 12), "r" ((y) >> 16))
-#  define MAD_F_MLZ(hi, lo)  ((mad_fixed_t) (lo))
-# endif
-
-# if defined(OPT_SPEED)
-#  define mad_f_scale64(hi, lo)  \
-    ((mad_fixed_t) ((hi) << (32 - MAD_F_SCALEBITS)))
-#  define MAD_F_SCALEBITS  MAD_F_FRACBITS
-# endif
-
-/* --- SPARC --------------------------------------------------------------- */
-
-# elif defined(FPM_SPARC)
-
-/*
- * This SPARC V8 version is fast and accurate; the disposition of the least
- * significant bit depends on OPT_ACCURACY via mad_f_scale64().
- */
-#  define MAD_F_MLX(hi, lo, x, y)  \
-    asm ("smul %2, %3, %0\n\t"  \
-	 "rd %%y, %1"  \
-	 : "=r" (lo), "=r" (hi)  \
-	 : "%r" (x), "rI" (y))
-
-/* --- PowerPC ------------------------------------------------------------- */
-
-# elif defined(FPM_PPC)
-
-/*
- * This PowerPC version is fast and accurate; the disposition of the least
- * significant bit depends on OPT_ACCURACY via mad_f_scale64().
- */
-#  define MAD_F_MLX(hi, lo, x, y)  \
-    do {  \
-      asm ("mullw %0,%1,%2"  \
-	   : "=r" (lo)  \
-	   : "%r" (x), "r" (y));  \
-      asm ("mulhw %0,%1,%2"  \
-	   : "=r" (hi)  \
-	   : "%r" (x), "r" (y));  \
-    }  \
-    while (0)
-
-#  if defined(OPT_ACCURACY)
-/*
- * This gives best accuracy but is not very fast.
- */
-#   define MAD_F_MLA(hi, lo, x, y)  \
-    ({ mad_fixed64hi_t __hi;  \
-       mad_fixed64lo_t __lo;  \
-       MAD_F_MLX(__hi, __lo, (x), (y));  \
-       asm ("addc %0,%2,%3\n\t"  \
-	    "adde %1,%4,%5"  \
-	    : "=r" (lo), "=r" (hi)  \
-	    : "%r" (lo), "r" (__lo),  \
-	      "%r" (hi), "r" (__hi)  \
-	    : "xer");  \
-    })
-#  endif
-
-#  if defined(OPT_ACCURACY)
-/*
- * This is slower than the truncating version below it.
- */
-#   define mad_f_scale64(hi, lo)  \
-    ({ mad_fixed_t __result, __round;  \
-       asm ("rotrwi %0,%1,%2"  \
-	    : "=r" (__result)  \
-	    : "r" (lo), "i" (MAD_F_SCALEBITS));  \
-       asm ("extrwi %0,%1,1,0"  \
-	    : "=r" (__round)  \
-	    : "r" (__result));  \
-       asm ("insrwi %0,%1,%2,0"  \
-	    : "+r" (__result)  \
-	    : "r" (hi), "i" (MAD_F_SCALEBITS));  \
-       asm ("add %0,%1,%2"  \
-	    : "=r" (__result)  \
-	    : "%r" (__result), "r" (__round));  \
-       __result;  \
-    })
-#  else
-#   define mad_f_scale64(hi, lo)  \
-    ({ mad_fixed_t __result;  \
-       asm ("rotrwi %0,%1,%2"  \
-	    : "=r" (__result)  \
-	    : "r" (lo), "i" (MAD_F_SCALEBITS));  \
-       asm ("insrwi %0,%1,%2,0"  \
-	    : "+r" (__result)  \
-	    : "r" (hi), "i" (MAD_F_SCALEBITS));  \
-       __result;  \
-    })
-#  endif
-
-#  define MAD_F_SCALEBITS  MAD_F_FRACBITS
-
-/* --- Default ------------------------------------------------------------- */
-
-# elif defined(FPM_DEFAULT)
-
-/*
- * This version is the most portable but it loses significant accuracy.
- * Furthermore, accuracy is biased against the second argument, so care
- * should be taken when ordering operands.
- *
- * The scale factors are constant as this is not used with SSO.
- *
- * Pre-rounding is required to stay within the limits of compliance.
- */
-#  if defined(OPT_SPEED)
-#   define mad_f_mul(x, y)	(((x) >> 12) * ((y) >> 16))
-#  else
-#   define mad_f_mul(x, y)	((((x) + (1L << 11)) >> 12) *  \
-				 (((y) + (1L << 15)) >> 16))
-#  endif
-
-/* ------------------------------------------------------------------------- */
-
-# else
-#  error "no FPM selected"
-# endif
-
-/* default implementations */
-
-# if !defined(mad_f_mul)
-#  define mad_f_mul(x, y)  \
-    ({ register mad_fixed64hi_t __hi;  \
-       register mad_fixed64lo_t __lo;  \
-       MAD_F_MLX(__hi, __lo, (x), (y));  \
-       mad_f_scale64(__hi, __lo);  \
-    })
-# endif
-
-# if !defined(MAD_F_MLA)
-#  define MAD_F_ML0(hi, lo, x, y)	((lo)  = mad_f_mul((x), (y)))
-#  define MAD_F_MLA(hi, lo, x, y)	((lo) += mad_f_mul((x), (y)))
-#  define MAD_F_MLN(hi, lo)		((lo)  = -(lo))
-#  define MAD_F_MLZ(hi, lo)		((void) (hi), (mad_fixed_t) (lo))
-# endif
-
-# if !defined(MAD_F_ML0)
-#  define MAD_F_ML0(hi, lo, x, y)	MAD_F_MLX((hi), (lo), (x), (y))
-# endif
-
-# if !defined(MAD_F_MLN)
-#  define MAD_F_MLN(hi, lo)		((hi) = ((lo) = -(lo)) ? ~(hi) : -(hi))
-# endif
-
-# if !defined(MAD_F_MLZ)
-#  define MAD_F_MLZ(hi, lo)		mad_f_scale64((hi), (lo))
-# endif
-
-# if !defined(mad_f_scale64)
-#  if defined(OPT_ACCURACY)
-#   define mad_f_scale64(hi, lo)  \
-    ((((mad_fixed_t)  \
-       (((hi) << (32 - (MAD_F_SCALEBITS - 1))) |  \
-	((lo) >> (MAD_F_SCALEBITS - 1)))) + 1) >> 1)
-#  else
-#   define mad_f_scale64(hi, lo)  \
-    ((mad_fixed_t)  \
-     (((hi) << (32 - MAD_F_SCALEBITS)) |  \
-      ((lo) >> MAD_F_SCALEBITS)))
-#  endif
-#  define MAD_F_SCALEBITS  MAD_F_FRACBITS
-# endif
-
-/* C routines */
-
-mad_fixed_t mad_f_abs(mad_fixed_t);
-mad_fixed_t mad_f_div(mad_fixed_t, mad_fixed_t);
-
-# endif
-
-/* Id: bit.h,v 1.12 2004/01/23 09:41:32 rob Exp */
-
-# ifndef LIBMAD_BIT_H
-# define LIBMAD_BIT_H
-
-struct mad_bitptr {
-  unsigned char const *byte;
-  unsigned short cache;
-  unsigned short left;
-};
-
-void mad_bit_init(struct mad_bitptr *, unsigned char const *);
-
-# define mad_bit_finish(bitptr)		/* nothing */
-
-unsigned int mad_bit_length(struct mad_bitptr const *,
-			    struct mad_bitptr const *);
-
-# define mad_bit_bitsleft(bitptr)  ((bitptr)->left)
-unsigned char const *mad_bit_nextbyte(struct mad_bitptr const *);
-
-void mad_bit_skip(struct mad_bitptr *, unsigned int);
-unsigned long mad_bit_read(struct mad_bitptr *, unsigned int);
-void mad_bit_write(struct mad_bitptr *, unsigned int, unsigned long);
-
-unsigned short mad_bit_crc(struct mad_bitptr, unsigned int, unsigned short);
-
-# endif
-
-/* Id: timer.h,v 1.16 2004/01/23 09:41:33 rob Exp */
-
-# ifndef LIBMAD_TIMER_H
-# define LIBMAD_TIMER_H
-
-typedef struct {
-  signed long seconds;		/* whole seconds */
-  unsigned long fraction;	/* 1/MAD_TIMER_RESOLUTION seconds */
-} mad_timer_t;
-
-extern mad_timer_t const mad_timer_zero;
-
-# define MAD_TIMER_RESOLUTION	352800000UL
-
-enum mad_units {
-  MAD_UNITS_HOURS	 =    -2,
-  MAD_UNITS_MINUTES	 =    -1,
-  MAD_UNITS_SECONDS	 =     0,
-
-  /* metric units */
-
-  MAD_UNITS_DECISECONDS	 =    10,
-  MAD_UNITS_CENTISECONDS =   100,
-  MAD_UNITS_MILLISECONDS =  1000,
-
-  /* audio sample units */
-
-  MAD_UNITS_8000_HZ	 =  8000,
-  MAD_UNITS_11025_HZ	 = 11025,
-  MAD_UNITS_12000_HZ	 = 12000,
-
-  MAD_UNITS_16000_HZ	 = 16000,
-  MAD_UNITS_22050_HZ	 = 22050,
-  MAD_UNITS_24000_HZ	 = 24000,
-
-  MAD_UNITS_32000_HZ	 = 32000,
-  MAD_UNITS_44100_HZ	 = 44100,
-  MAD_UNITS_48000_HZ	 = 48000,
-
-  /* video frame/field units */
-
-  MAD_UNITS_24_FPS	 =    24,
-  MAD_UNITS_25_FPS	 =    25,
-  MAD_UNITS_30_FPS	 =    30,
-  MAD_UNITS_48_FPS	 =    48,
-  MAD_UNITS_50_FPS	 =    50,
-  MAD_UNITS_60_FPS	 =    60,
-
-  /* CD audio frames */
-
-  MAD_UNITS_75_FPS	 =    75,
-
-  /* video drop-frame units */
-
-  MAD_UNITS_23_976_FPS	 =   -24,
-  MAD_UNITS_24_975_FPS	 =   -25,
-  MAD_UNITS_29_97_FPS	 =   -30,
-  MAD_UNITS_47_952_FPS	 =   -48,
-  MAD_UNITS_49_95_FPS	 =   -50,
-  MAD_UNITS_59_94_FPS	 =   -60
-};
-
-# define mad_timer_reset(timer)	((void) (*(timer) = mad_timer_zero))
-
-int mad_timer_compare(mad_timer_t, mad_timer_t);
-
-# define mad_timer_sign(timer)	mad_timer_compare((timer), mad_timer_zero)
-
-void mad_timer_negate(mad_timer_t *);
-mad_timer_t mad_timer_abs(mad_timer_t);
-
-void mad_timer_set(mad_timer_t *, unsigned long, unsigned long, unsigned long);
-void mad_timer_add(mad_timer_t *, mad_timer_t);
-void mad_timer_multiply(mad_timer_t *, signed long);
-
-signed long mad_timer_count(mad_timer_t, enum mad_units);
-unsigned long mad_timer_fraction(mad_timer_t, unsigned long);
-void mad_timer_string(mad_timer_t, char *, char const *,
-		      enum mad_units, enum mad_units, unsigned long);
-
-# endif
-
-/* Id: stream.h,v 1.20 2004/02/05 09:02:39 rob Exp */
-
-# ifndef LIBMAD_STREAM_H
-# define LIBMAD_STREAM_H
-
-
-# define MAD_BUFFER_GUARD	8
-# define MAD_BUFFER_MDLEN	(511 + 2048 + MAD_BUFFER_GUARD)
-
-enum mad_error {
-  MAD_ERROR_NONE	   = 0x0000,	/* no error */
-
-  MAD_ERROR_BUFLEN	   = 0x0001,	/* input buffer too small (or EOF) */
-  MAD_ERROR_BUFPTR	   = 0x0002,	/* invalid (null) buffer pointer */
-
-  MAD_ERROR_NOMEM	   = 0x0031,	/* not enough memory */
-
-  MAD_ERROR_LOSTSYNC	   = 0x0101,	/* lost synchronization */
-  MAD_ERROR_BADLAYER	   = 0x0102,	/* reserved header layer value */
-  MAD_ERROR_BADBITRATE	   = 0x0103,	/* forbidden bitrate value */
-  MAD_ERROR_BADSAMPLERATE  = 0x0104,	/* reserved sample frequency value */
-  MAD_ERROR_BADEMPHASIS	   = 0x0105,	/* reserved emphasis value */
-
-  MAD_ERROR_BADCRC	   = 0x0201,	/* CRC check failed */
-  MAD_ERROR_BADBITALLOC	   = 0x0211,	/* forbidden bit allocation value */
-  MAD_ERROR_BADSCALEFACTOR = 0x0221,	/* bad scalefactor index */
-  MAD_ERROR_BADMODE        = 0x0222,	/* bad bitrate/mode combination */
-  MAD_ERROR_BADFRAMELEN	   = 0x0231,	/* bad frame length */
-  MAD_ERROR_BADBIGVALUES   = 0x0232,	/* bad big_values count */
-  MAD_ERROR_BADBLOCKTYPE   = 0x0233,	/* reserved block_type */
-  MAD_ERROR_BADSCFSI	   = 0x0234,	/* bad scalefactor selection info */
-  MAD_ERROR_BADDATAPTR	   = 0x0235,	/* bad main_data_begin pointer */
-  MAD_ERROR_BADPART3LEN	   = 0x0236,	/* bad audio data length */
-  MAD_ERROR_BADHUFFTABLE   = 0x0237,	/* bad Huffman table select */
-  MAD_ERROR_BADHUFFDATA	   = 0x0238,	/* Huffman data overrun */
-  MAD_ERROR_BADSTEREO	   = 0x0239	/* incompatible block_type for JS */
-};
-
-# define MAD_RECOVERABLE(error)	((error) & 0xff00)
-
-struct mad_stream {
-  unsigned char const *buffer;		/* input bitstream buffer */
-  unsigned char const *bufend;		/* end of buffer */
-  unsigned long skiplen;		/* bytes to skip before next frame */
-
-  int sync;				/* stream sync found */
-  unsigned long freerate;		/* free bitrate (fixed) */
-
-  unsigned char const *this_frame;	/* start of current frame */
-  unsigned char const *next_frame;	/* start of next frame */
-  struct mad_bitptr ptr;		/* current processing bit pointer */
-
-  struct mad_bitptr anc_ptr;		/* ancillary bits pointer */
-  unsigned int anc_bitlen;		/* number of ancillary bits */
-
-  unsigned char (*main_data)[MAD_BUFFER_MDLEN];
-					/* Layer III main_data() */
-  unsigned int md_len;			/* bytes in main_data */
-
-  int options;				/* decoding options (see below) */
-  enum mad_error error;			/* error code (see above) */
-};
-
-enum {
-  MAD_OPTION_IGNORECRC      = 0x0001,	/* ignore CRC errors */
-  MAD_OPTION_HALFSAMPLERATE = 0x0002	/* generate PCM at 1/2 sample rate */
-# if 0  /* not yet implemented */
-  MAD_OPTION_LEFTCHANNEL    = 0x0010,	/* decode left channel only */
-  MAD_OPTION_RIGHTCHANNEL   = 0x0020,	/* decode right channel only */
-  MAD_OPTION_SINGLECHANNEL  = 0x0030	/* combine channels */
-# endif
-};
-
-void mad_stream_init(struct mad_stream *);
-void mad_stream_finish(struct mad_stream *);
-
-# define mad_stream_options(stream, opts)  \
-    ((void) ((stream)->options = (opts)))
-
-void mad_stream_buffer(struct mad_stream *,
-		       unsigned char const *, unsigned long);
-void mad_stream_skip(struct mad_stream *, unsigned long);
-
-int mad_stream_sync(struct mad_stream *);
-
-char const *mad_stream_errorstr(struct mad_stream const *);
-
-# endif
-
-/* Id: frame.h,v 1.20 2004/01/23 09:41:32 rob Exp */
-
-# ifndef LIBMAD_FRAME_H
-# define LIBMAD_FRAME_H
-
-
-enum mad_layer {
-  MAD_LAYER_I   = 1,			/* Layer I */
-  MAD_LAYER_II  = 2,			/* Layer II */
-  MAD_LAYER_III = 3			/* Layer III */
-};
-
-enum mad_mode {
-  MAD_MODE_SINGLE_CHANNEL = 0,		/* single channel */
-  MAD_MODE_DUAL_CHANNEL	  = 1,		/* dual channel */
-  MAD_MODE_JOINT_STEREO	  = 2,		/* joint (MS/intensity) stereo */
-  MAD_MODE_STEREO	  = 3		/* normal LR stereo */
-};
-
-enum mad_emphasis {
-  MAD_EMPHASIS_NONE	  = 0,		/* no emphasis */
-  MAD_EMPHASIS_50_15_US	  = 1,		/* 50/15 microseconds emphasis */
-  MAD_EMPHASIS_CCITT_J_17 = 3,		/* CCITT J.17 emphasis */
-  MAD_EMPHASIS_RESERVED   = 2		/* unknown emphasis */
-};
-
-struct mad_header {
-  enum mad_layer layer;			/* audio layer (1, 2, or 3) */
-  enum mad_mode mode;			/* channel mode (see above) */
-  int mode_extension;			/* additional mode info */
-  enum mad_emphasis emphasis;		/* de-emphasis to use (see above) */
-
-  unsigned long bitrate;		/* stream bitrate (bps) */
-  unsigned int samplerate;		/* sampling frequency (Hz) */
-
-  unsigned short crc_check;		/* frame CRC accumulator */
-  unsigned short crc_target;		/* final target CRC checksum */
-
-  int flags;				/* flags (see below) */
-  int private_bits;			/* private bits (see below) */
-
-  mad_timer_t duration;			/* audio playing time of frame */
-};
-
-struct mad_frame {
-  struct mad_header header;		/* MPEG audio header */
-
-  int options;				/* decoding options (from stream) */
-
-  mad_fixed_t sbsample[2][36][32];	/* synthesis subband filter samples */
-  mad_fixed_t (*overlap)[2][32][18];	/* Layer III block overlap data */
-};
-
-# define MAD_NCHANNELS(header)		((header)->mode ? 2 : 1)
-# define MAD_NSBSAMPLES(header)  \
-  ((header)->layer == MAD_LAYER_I ? 12 :  \
-   (((header)->layer == MAD_LAYER_III &&  \
-     ((header)->flags & MAD_FLAG_LSF_EXT)) ? 18 : 36))
-
-enum {
-  MAD_FLAG_NPRIVATE_III	= 0x0007,	/* number of Layer III private bits */
-  MAD_FLAG_INCOMPLETE	= 0x0008,	/* header but not data is decoded */
-
-  MAD_FLAG_PROTECTION	= 0x0010,	/* frame has CRC protection */
-  MAD_FLAG_COPYRIGHT	= 0x0020,	/* frame is copyright */
-  MAD_FLAG_ORIGINAL	= 0x0040,	/* frame is original (else copy) */
-  MAD_FLAG_PADDING	= 0x0080,	/* frame has additional slot */
-
-  MAD_FLAG_I_STEREO	= 0x0100,	/* uses intensity joint stereo */
-  MAD_FLAG_MS_STEREO	= 0x0200,	/* uses middle/side joint stereo */
-  MAD_FLAG_FREEFORMAT	= 0x0400,	/* uses free format bitrate */
-
-  MAD_FLAG_LSF_EXT	= 0x1000,	/* lower sampling freq. extension */
-  MAD_FLAG_MC_EXT	= 0x2000,	/* multichannel audio extension */
-  MAD_FLAG_MPEG_2_5_EXT	= 0x4000	/* MPEG 2.5 (unofficial) extension */
-};
-
-enum {
-  MAD_PRIVATE_HEADER	= 0x0100,	/* header private bit */
-  MAD_PRIVATE_III	= 0x001f	/* Layer III private bits (up to 5) */
-};
-
-void mad_header_init(struct mad_header *);
-
-# define mad_header_finish(header)  /* nothing */
-
-int mad_header_decode(struct mad_header *, struct mad_stream *);
-
-void mad_frame_init(struct mad_frame *);
-void mad_frame_finish(struct mad_frame *);
-
-int mad_frame_decode(struct mad_frame *, struct mad_stream *);
-
-void mad_frame_mute(struct mad_frame *);
-
-# endif
-
-/* Id: synth.h,v 1.15 2004/01/23 09:41:33 rob Exp */
-
-# ifndef LIBMAD_SYNTH_H
-# define LIBMAD_SYNTH_H
-
-
-struct mad_pcm {
-  unsigned int samplerate;		/* sampling frequency (Hz) */
-  unsigned short channels;		/* number of channels */
-  unsigned short length;		/* number of samples per channel */
-  mad_fixed_t samples[2][1152];		/* PCM output samples [ch][sample] */
-};
-
-struct mad_synth {
-  mad_fixed_t filter[2][2][2][16][8];	/* polyphase filterbank outputs */
-  					/* [ch][eo][peo][s][v] */
-
-  unsigned int phase;			/* current processing phase */
-
-  struct mad_pcm pcm;			/* PCM output */
-};
-
-/* single channel PCM selector */
-enum {
-  MAD_PCM_CHANNEL_SINGLE = 0
-};
-
-/* dual channel PCM selector */
-enum {
-  MAD_PCM_CHANNEL_DUAL_1 = 0,
-  MAD_PCM_CHANNEL_DUAL_2 = 1
-};
-
-/* stereo PCM selector */
-enum {
-  MAD_PCM_CHANNEL_STEREO_LEFT  = 0,
-  MAD_PCM_CHANNEL_STEREO_RIGHT = 1
-};
-
-void mad_synth_init(struct mad_synth *);
-
-# define mad_synth_finish(synth)  /* nothing */
-
-void mad_synth_mute(struct mad_synth *);
-
-void mad_synth_frame(struct mad_synth *, struct mad_frame const *);
-
-# endif
-
-/* Id: decoder.h,v 1.17 2004/01/23 09:41:32 rob Exp */
-
-# ifndef LIBMAD_DECODER_H
-# define LIBMAD_DECODER_H
-
-
-enum mad_decoder_mode {
-  MAD_DECODER_MODE_SYNC  = 0,
-  MAD_DECODER_MODE_ASYNC
-};
-
-enum mad_flow {
-  MAD_FLOW_CONTINUE = 0x0000,	/* continue normally */
-  MAD_FLOW_STOP     = 0x0010,	/* stop decoding normally */
-  MAD_FLOW_BREAK    = 0x0011,	/* stop decoding and signal an error */
-  MAD_FLOW_IGNORE   = 0x0020	/* ignore the current frame */
-};
-
-struct mad_decoder {
-  enum mad_decoder_mode mode;
-
-  int options;
-
-  struct {
-    long pid;
-    int in;
-    int out;
-  } async;
-
-  struct {
-    struct mad_stream stream;
-    struct mad_frame frame;
-    struct mad_synth synth;
-  } *sync;
-
-  void *cb_data;
-
-  enum mad_flow (*input_func)(void *, struct mad_stream *);
-  enum mad_flow (*header_func)(void *, struct mad_header const *);
-  enum mad_flow (*filter_func)(void *,
-			       struct mad_stream const *, struct mad_frame *);
-  enum mad_flow (*output_func)(void *,
-			       struct mad_header const *, struct mad_pcm *);
-  enum mad_flow (*error_func)(void *, struct mad_stream *, struct mad_frame *);
-  enum mad_flow (*message_func)(void *, void *, unsigned int *);
-};
-
-void mad_decoder_init(struct mad_decoder *, void *,
-		      enum mad_flow (*)(void *, struct mad_stream *),
-		      enum mad_flow (*)(void *, struct mad_header const *),
-		      enum mad_flow (*)(void *,
-					struct mad_stream const *,
-					struct mad_frame *),
-		      enum mad_flow (*)(void *,
-					struct mad_header const *,
-					struct mad_pcm *),
-		      enum mad_flow (*)(void *,
-					struct mad_stream *,
-					struct mad_frame *),
-		      enum mad_flow (*)(void *, void *, unsigned int *));
-int mad_decoder_finish(struct mad_decoder *);
-
-# define mad_decoder_options(decoder, opts)  \
-    ((void) ((decoder)->options = (opts)))
-
-int mad_decoder_run(struct mad_decoder *, enum mad_decoder_mode);
-int mad_decoder_message(struct mad_decoder *, void *, unsigned int *);
-
-# endif
-
-# ifdef __cplusplus
-}
-# endif
+#include "fixed.h"
+#include "bit.h"
+#include "timer.h"
+#include "stream.h"
+#include "frame.h"
+#include "synth.h"
+#include "decoder.h"

+ 1 - 1
main.c

@@ -531,7 +531,7 @@ main(
    if (setjmp(g_exit_jmp_env) == LONGJMP_EXIT_CODE) return 0;
 
    // We should first check the SD card before running actual codes
-   UTIL_WP_BasePath();
+   UTIL_BasePath();
 
    SDL_SetHint(SDL_HINT_ORIENTATIONS, "LandscapeRight");
    SDL_SetHint(SDL_HINT_WINRT_HANDLE_BACK_BUTTON, "1");

+ 4 - 18
util.h

@@ -90,35 +90,21 @@ VOID
 UTIL_CloseFile(
    FILE                *fp
 );
-    
-#ifdef __IOS__
 
-LPCSTR
-UTIL_IOS_BasePath(
-   VOID
-);
-
-LPCSTR
-UTIL_IOS_SavePath(
-   VOID
-);
-    
-#endif
-
-#ifdef __WINPHONE__
+#if defined(__WINPHONE__) || defined(__IOS__)
 
 LPCSTR
-UTIL_WP_BasePath(
+UTIL_BasePath(
    VOID
 );
 
 LPCSTR
-UTIL_WP_SavePath(
+UTIL_SavePath(
    VOID
 );
 
 BOOL
-UTIL_WP_GetScreenSize(
+UTIL_GetScreenSize(
    DWORD *pdwScreenWidth,
    DWORD *pdwScreenHeight
 );

+ 28 - 22
video.c

@@ -170,7 +170,33 @@ VIDEO_Startup(
       SDL_FreeSurface(overlay);
    }
 
-#ifdef __WINPHONE__
+   //
+   // Check whether to keep the aspect ratio
+   //
+   gpRenderRect = NULL;
+   if (gpGlobals->fKeepAspectRatio)
+   {
+	   float ax = (float)gpGlobals->dwScreenWidth / 320.0f;
+	   float ay = (float)gpGlobals->dwScreenHeight / 200.0f;
+	   if (ax != ay)
+	   {
+		   float ratio = (ax > ay) ? ay : ax;
+		   WORD w = (WORD)(ratio * 320.0f);
+		   WORD h = (WORD)(ratio * 200.0f);
+		   if (w % 4 != 0) w += 4 - (w % 4);
+		   if (h % 4 != 0) h += 4 - (h % 4);
+		   gRenderRect.x = (gpGlobals->dwScreenWidth - w) / 2;
+		   gRenderRect.y = (gpGlobals->dwScreenHeight - h) / 2;
+		   gRenderRect.w = w;
+		   gRenderRect.h = h;
+		   gpRenderRect = &gRenderRect;
+# if PAL_HAS_TOUCH
+		   PAL_SetTouchBounds(gpGlobals->dwScreenWidth, gpGlobals->dwScreenHeight, gRenderRect);
+# endif
+	   }
+   }
+
+# ifdef __WINPHONE__
    {
       //
       // Totally ugly hack to satisfy M$'s silly requirements.
@@ -198,27 +224,7 @@ VIDEO_Startup(
       gpBackKeyMessage = SDL_CreateTextureFromSurface(gpRenderer, gpScreenBak);
       SDL_FillRect(gpScreenBak, NULL, 0);
    }
-#endif
-
-   gpRenderRect = NULL;
-   if (gpGlobals->fKeepAspectRatio)
-   {
-	   float ax = (float)gpGlobals->dwScreenWidth / 320.0f;
-	   float ay = (float)gpGlobals->dwScreenHeight / 200.0f;
-	   if (ax != ay)
-	   {
-		   float ratio = (ax > ay) ? ay : ax;
-		   WORD w = (WORD)(ratio * 320.0f);
-		   WORD h = (WORD)(ratio * 200.0f);
-		   if (w % 4 != 0) w += 4 - (w % 4);
-		   if (h % 4 != 0) h += 4 - (h % 4);
-		   gRenderRect.x = (gpGlobals->dwScreenWidth - w) / 2;
-		   gRenderRect.y = (gpGlobals->dwScreenHeight - h) / 2;
-		   gRenderRect.w = w;
-		   gRenderRect.h = h;
-		   gpRenderRect = &gRenderRect;
-	   }
-   }
+# endif
 #else
 
    //

+ 3 - 3
winphone/SDLPal/WinPhoneUtil.cpp

@@ -60,7 +60,7 @@ static bool CheckGamePath(Windows::Storage::StorageFolder^ root)
 }
 
 extern "C"
-LPCSTR UTIL_WP_BasePath(VOID)
+LPCSTR UTIL_BasePath(VOID)
 {
 	if (g_basepath.empty())
 	{
@@ -100,7 +100,7 @@ LPCSTR UTIL_WP_BasePath(VOID)
 }
 
 extern "C"
-LPCSTR UTIL_WP_SavePath(VOID)
+LPCSTR UTIL_SavePath(VOID)
 {
 	if (g_savepath.empty())
 	{
@@ -112,7 +112,7 @@ LPCSTR UTIL_WP_SavePath(VOID)
 }
 
 extern "C"
-BOOL UTIL_WP_GetScreenSize(DWORD *pdwScreenWidth, DWORD *pdwScreenHeight)
+BOOL UTIL_GetScreenSize(DWORD *pdwScreenWidth, DWORD *pdwScreenHeight)
 {
 	DXGI_OUTPUT_DESC desc;
 	IDXGIFactory1* pFactory = nullptr;