diff options
Diffstat (limited to 'src/filters/transform/MpaDecFilter/libmad/mad.h')
| -rw-r--r-- | src/filters/transform/MpaDecFilter/libmad/mad.h | 779 |
1 files changed, 378 insertions, 401 deletions
diff --git a/src/filters/transform/MpaDecFilter/libmad/mad.h b/src/filters/transform/MpaDecFilter/libmad/mad.h index 381e0b01a..f52f3a692 100644 --- a/src/filters/transform/MpaDecFilter/libmad/mad.h +++ b/src/filters/transform/MpaDecFilter/libmad/mad.h @@ -33,7 +33,7 @@ extern "C" { # define SIZEOF_LONG_LONG 8
- /* Id: version.h,v 1.24 2003/05/27 22:40:37 rob Exp */
+/* Id: version.h,v 1.24 2003/05/27 22:40:37 rob Exp */
# ifndef LIBMAD_VERSION_H
# define LIBMAD_VERSION_H
@@ -55,28 +55,28 @@ extern "C" { # define MAD_AUTHOR "Underbit Technologies, Inc."
# define MAD_EMAIL "info@underbit.com"
- extern char const mad_version[];
- extern char const mad_copyright[];
- extern char const mad_author[];
- extern char const mad_build[];
+extern char const mad_version[];
+extern char const mad_copyright[];
+extern char const mad_author[];
+extern char const mad_build[];
# endif
- /* Id: fixed.h,v 1.38 2004/02/17 02:02:03 rob Exp */
+/* 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_fixed_t;
- typedef signed int mad_fixed64hi_t;
- typedef unsigned int mad_fixed64lo_t;
+typedef signed int mad_fixed64hi_t;
+typedef unsigned int mad_fixed64lo_t;
# else
- typedef signed long mad_fixed_t;
+typedef signed long mad_fixed_t;
- typedef signed long mad_fixed64hi_t;
- typedef unsigned long mad_fixed64lo_t;
+typedef signed long mad_fixed64hi_t;
+typedef unsigned long mad_fixed64lo_t;
# endif
# if defined(_MSC_VER)
@@ -86,33 +86,33 @@ extern "C" { # endif
# if defined(FPM_FLOAT)
- typedef double mad_sample_t;
+typedef double mad_sample_t;
# else
- typedef mad_fixed_t mad_sample_t;
+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.
- */
+/*
+ * 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
@@ -144,7 +144,7 @@ extern "C" { # define mad_f_intpart(x) ((x) >> MAD_F_FRACBITS)
# define mad_f_fracpart(x) ((x) & ((1L << MAD_F_FRACBITS) - 1))
- /* (x should be positive) */
+ /* (x should be positive) */
# define mad_f_fromint(x) ((x) << MAD_F_FRACBITS)
@@ -164,10 +164,10 @@ extern "C" { # 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.
- */
+/*
+ * 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) \
@@ -180,7 +180,7 @@ extern "C" { # define MAD_F_SCALEBITS MAD_F_FRACBITS
- /* --- Intel --------------------------------------------------------------- */
+/* --- Intel --------------------------------------------------------------- */
# elif defined(FPM_INTEL)
@@ -192,10 +192,10 @@ extern "C" { # 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().
- */
+/*
+ * 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) \
@@ -203,9 +203,9 @@ extern "C" { : "cc")
# if defined(OPT_ACCURACY)
- /*
- * This gives best accuracy but is not very fast.
- */
+/*
+ * 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; \
@@ -219,9 +219,9 @@ extern "C" { # endif /* OPT_ACCURACY */
# if defined(OPT_ACCURACY)
- /*
- * Surprisingly, this is faster than SHRD followed by ADC.
- */
+/*
+ * Surprisingly, this is faster than SHRD followed by ADC.
+ */
# define mad_f_scale64(hi, lo) \
({ mad_fixed64hi_t __hi_; \
mad_fixed64lo_t __lo_; \
@@ -239,9 +239,9 @@ extern "C" { __result; \
})
# elif defined(OPT_INTEL)
- /*
- * Alternate Intel scaling that may or may not perform better.
- */
+/*
+ * 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" \
@@ -267,19 +267,19 @@ extern "C" { # define MAD_F_SCALEBITS MAD_F_FRACBITS
# endif
- /* --- ARM ----------------------------------------------------------------- */
+/* --- 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!
- */
+/*
+ * 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().
- */
+/*
+ * 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; \
@@ -325,14 +325,14 @@ extern "C" { # define MAD_F_SCALEBITS MAD_F_FRACBITS
- /* --- MIPS ---------------------------------------------------------------- */
+/* --- 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().
- */
+/*
+ * 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) \
@@ -344,10 +344,10 @@ extern "C" { : "+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.
- */
+/*
+ * 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) \
@@ -365,28 +365,28 @@ extern "C" { # define MAD_F_SCALEBITS MAD_F_FRACBITS
# endif
- /* --- SPARC --------------------------------------------------------------- */
+/* --- 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().
- */
+/*
+ * 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 ------------------------------------------------------------- */
+/* --- 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().
- */
+/*
+ * 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" \
@@ -399,9 +399,9 @@ extern "C" { while (0)
# if defined(OPT_ACCURACY)
- /*
- * This gives best accuracy but is not very fast.
- */
+/*
+ * 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; \
@@ -416,9 +416,9 @@ extern "C" { # endif
# if defined(OPT_ACCURACY)
- /*
- * This is slower than the truncating version below it.
- */
+/*
+ * 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" \
@@ -450,19 +450,19 @@ extern "C" { # define MAD_F_SCALEBITS MAD_F_FRACBITS
- /* --- Default ------------------------------------------------------------- */
+/* --- 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.
- */
+/*
+ * 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
@@ -470,13 +470,13 @@ extern "C" { (((y) + (1L << 15)) >> 16))
# endif
- /* ------------------------------------------------------------------------- */
+/* ------------------------------------------------------------------------- */
# else
# error "no FPM selected"
# endif
- /* default implementations */
+/* default implementations */
# if !defined(mad_f_mul)
# define mad_f_mul(x, y) \
@@ -521,128 +521,125 @@ extern "C" { # define MAD_F_SCALEBITS MAD_F_FRACBITS
# endif
- /* C routines */
+/* C routines */
- mad_fixed_t mad_f_abs(mad_fixed_t);
- mad_fixed_t mad_f_div(mad_fixed_t, mad_fixed_t);
+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 */
+/* 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;
- };
+struct mad_bitptr {
+ unsigned char const *byte;
+ unsigned short cache;
+ unsigned short left;
+};
- void mad_bit_init(struct mad_bitptr *, unsigned char const *);
+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 *);
+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 *);
+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);
+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);
+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 */
+/* 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;
+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;
+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,
+enum mad_units {
+ MAD_UNITS_HOURS = -2,
+ MAD_UNITS_MINUTES = -1,
+ MAD_UNITS_SECONDS = 0,
- /* metric units */
+ /* metric units */
- MAD_UNITS_DECISECONDS = 10,
- MAD_UNITS_CENTISECONDS = 100,
- MAD_UNITS_MILLISECONDS = 1000,
+ MAD_UNITS_DECISECONDS = 10,
+ MAD_UNITS_CENTISECONDS = 100,
+ MAD_UNITS_MILLISECONDS = 1000,
- /* audio sample units */
+ /* audio sample units */
- MAD_UNITS_8000_HZ = 8000,
- MAD_UNITS_11025_HZ = 11025,
- MAD_UNITS_12000_HZ = 12000,
+ 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_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,
+ MAD_UNITS_32000_HZ = 32000,
+ MAD_UNITS_44100_HZ = 44100,
+ MAD_UNITS_48000_HZ = 48000,
- /* video frame/field units */
+ /* 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,
+ 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 */
+ /* CD audio frames */
- MAD_UNITS_75_FPS = 75,
+ MAD_UNITS_75_FPS = 75,
- /* video drop-frame units */
+ /* 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
- };
+ 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);
+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_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);
+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);
+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 */
+/* Id: stream.h,v 1.20 2004/02/05 09:02:39 rob Exp */
# ifndef LIBMAD_STREAM_H
# define LIBMAD_STREAM_H
@@ -651,146 +648,138 @@ extern "C" { # 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 */
- };
+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 */
+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) */
+ 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 */
+ 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 */
+ 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 */
+ 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) */
- };
+ 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 */
+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 */
+ 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 *);
+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);
+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 *);
+int mad_stream_sync(struct mad_stream *);
- char const *mad_stream_errorstr(struct mad_stream const *);
+char const *mad_stream_errorstr(struct mad_stream const *);
# endif
- /* Id: frame.h,v 1.20 2004/01/23 09:41:32 rob Exp */
+/* 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_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_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 */
- };
+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) */
+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 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 */
+ 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) */
+ int flags; /* flags (see below) */
+ int private_bits; /* private bits (see below) */
- mad_timer_t duration; /* audio playing time of frame */
- };
+ mad_timer_t duration; /* audio playing time of frame */
+};
- struct mad_frame
- {
- struct mad_header header; /* MPEG audio header */
+struct mad_frame {
+ struct mad_header header; /* MPEG audio header */
- int options; /* decoding options (from stream) */
+ 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 */
- };
+ 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) \
@@ -798,172 +787,160 @@ extern "C" { (((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 */
+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_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_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 */
- };
+ 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) */
- };
+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 *);
+void mad_header_init(struct mad_header *);
# define mad_header_finish(header) /* nothing */
- int mad_header_decode(struct mad_header *, struct mad_stream *);
+int mad_header_decode(struct mad_header *, struct mad_stream *);
- void mad_frame_init(struct mad_frame *);
- void mad_frame_finish(struct mad_frame *);
+void mad_frame_init(struct mad_frame *);
+void mad_frame_finish(struct mad_frame *);
- int mad_frame_decode(struct mad_frame *, struct mad_stream *);
+int mad_frame_decode(struct mad_frame *, struct mad_stream *);
- void mad_frame_mute(struct mad_frame *);
+void mad_frame_mute(struct mad_frame *);
# endif
- /* Id: synth.h,v 1.15 2004/01/23 09:41:33 rob Exp */
+/* 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_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] */
+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 */
+ unsigned int phase; /* current processing phase */
- struct mad_pcm pcm; /* PCM output */
- };
+ struct mad_pcm pcm; /* PCM output */
+};
- /* single channel PCM selector */
- enum
- {
- MAD_PCM_CHANNEL_SINGLE = 0
- };
+/* 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
- };
+/* 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
- };
+/* stereo PCM selector */
+enum {
+ MAD_PCM_CHANNEL_STEREO_LEFT = 0,
+ MAD_PCM_CHANNEL_STEREO_RIGHT = 1
+};
- void mad_synth_init(struct mad_synth *);
+void mad_synth_init(struct mad_synth *);
# define mad_synth_finish(synth) /* nothing */
- void mad_synth_mute(struct mad_synth *);
+void mad_synth_mute(struct mad_synth *);
- void mad_synth_frame(struct mad_synth *, struct mad_frame const *);
+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 */
+/* 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 *);
+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 *);
+int mad_decoder_run(struct mad_decoder *, enum mad_decoder_mode);
+int mad_decoder_message(struct mad_decoder *, void *, unsigned int *);
# endif
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