tx_template.c File Reference

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Data Structures
struct	FFSRTabsInitOnce

Macros
#define	TABLE_DEF(name, size)   DECLARE_ALIGNED(32, TXSample, TX_TAB(ff_tx_tab_ ##name))[size]
#define	SR_TABLE(len)   TABLE_DEF(len, len/4 + 1)
#define	INIT_FF_SR_TAB(len)
#define	DECL_FFT5(NAME, D0, D1, D2, D3, D4)
#define	BUTTERFLIES(a0, a1, a2, a3)
#define	TRANSFORM(a0, a1, a2, a3, wre, wim)
#define	DECL_SR_CODELET_DEF(n)
#define	DECL_SR_CODELET(n, n2, n4)
#define	DECL_COMP_FFT(N)
#define	DECL_COMP_IMDCT(N)
#define	DECL_COMP_MDCT(N)
#define	DECL_RDFT(name, inv)

Functions
	SR_TABLE (8)
	SR_TABLE (16)
	SR_TABLE (32)
	SR_TABLE (64)
	SR_TABLE (128)
	SR_TABLE (256)
	SR_TABLE (512)
	SR_TABLE (1024)
	SR_TABLE (2048)
	SR_TABLE (4096)
	SR_TABLE (8192)
	SR_TABLE (16384)
	SR_TABLE (32768)
	SR_TABLE (65536)
	SR_TABLE (131072)
	TABLE_DEF (53, 8)
	TABLE_DEF (7, 6)
	TABLE_DEF (9, 8)
static av_cold void TX_TAB()	ff_tx_init_tab_53 (void)
static av_cold void TX_TAB()	ff_tx_init_tab_7 (void)
static av_cold void TX_TAB()	ff_tx_init_tab_9 (void)
av_cold void TX_TAB()	ff_tx_init_tabs (int len)
static av_always_inline void	fft3 (TXComplex *out, TXComplex *in, ptrdiff_t stride)
static av_always_inline void	fft7 (TXComplex *out, TXComplex *in, ptrdiff_t stride)
static av_always_inline void	fft9 (TXComplex *out, TXComplex *in, ptrdiff_t stride)
static av_always_inline void	fft15 (TXComplex *out, TXComplex *in, ptrdiff_t stride)
static void TX_NAME()	ff_tx_fft_sr_combine (TXComplex *z, const TXSample *cos, int len)
static av_cold int TX_NAME()	ff_tx_fft_sr_codelet_init (AVTXContext *s, const FFTXCodelet *cd, uint64_t flags, FFTXCodeletOptions *opts, int len, int inv, const void *scale)
static void TX_NAME()	ff_tx_fft2_ns (AVTXContext *s, void *dst, void *src, ptrdiff_t stride)
static void TX_NAME()	ff_tx_fft4_ns (AVTXContext *s, void *dst, void *src, ptrdiff_t stride)
static void TX_NAME()	ff_tx_fft8_ns (AVTXContext *s, void *dst, void *src, ptrdiff_t stride)
static void TX_NAME()	ff_tx_fft16_ns (AVTXContext *s, void *dst, void *src, ptrdiff_t stride)
static av_cold int TX_NAME()	ff_tx_fft_sr_init (AVTXContext *s, const FFTXCodelet *cd, uint64_t flags, FFTXCodeletOptions *opts, int len, int inv, const void *scale)
static void TX_NAME()	ff_tx_fft_sr (AVTXContext *s, void *_dst, void *_src, ptrdiff_t stride)
static void TX_NAME()	ff_tx_fft_sr_inplace (AVTXContext *s, void *_dst, void *_src, ptrdiff_t stride)
static const FFTXCodelet	TX_NAME (ff_tx_fft_sr_def)
static const FFTXCodelet	TX_NAME (ff_tx_fft_sr_inplace_def)
static void TX_NAME()	ff_tx_fft_naive (AVTXContext *s, void *_dst, void *_src, ptrdiff_t stride)
static const FFTXCodelet	TX_NAME (ff_tx_fft_naive_def)
static av_cold int TX_NAME()	ff_tx_fft_pfa_init (AVTXContext *s, const FFTXCodelet *cd, uint64_t flags, FFTXCodeletOptions *opts, int len, int inv, const void *scale)
static av_cold int TX_NAME()	ff_tx_mdct_naive_init (AVTXContext *s, const FFTXCodelet *cd, uint64_t flags, FFTXCodeletOptions *opts, int len, int inv, const void *scale)
static void TX_NAME()	ff_tx_mdct_naive_fwd (AVTXContext *s, void *_dst, void *_src, ptrdiff_t stride)
static void TX_NAME()	ff_tx_mdct_naive_inv (AVTXContext *s, void *_dst, void *_src, ptrdiff_t stride)
static const FFTXCodelet	TX_NAME (ff_tx_mdct_naive_fwd_def)
static const FFTXCodelet	TX_NAME (ff_tx_mdct_naive_inv_def)
static av_cold int TX_NAME()	ff_tx_mdct_sr_init (AVTXContext *s, const FFTXCodelet *cd, uint64_t flags, FFTXCodeletOptions *opts, int len, int inv, const void *scale)
static void TX_NAME()	ff_tx_mdct_sr_fwd (AVTXContext *s, void *_dst, void *_src, ptrdiff_t stride)
static void TX_NAME()	ff_tx_mdct_sr_inv (AVTXContext *s, void *_dst, void *_src, ptrdiff_t stride)
static const FFTXCodelet	TX_NAME (ff_tx_mdct_sr_fwd_def)
static const FFTXCodelet	TX_NAME (ff_tx_mdct_sr_inv_def)
static av_cold int TX_NAME()	ff_tx_mdct_inv_full_init (AVTXContext *s, const FFTXCodelet *cd, uint64_t flags, FFTXCodeletOptions *opts, int len, int inv, const void *scale)
static void TX_NAME()	ff_tx_mdct_inv_full (AVTXContext *s, void *_dst, void *_src, ptrdiff_t stride)
static const FFTXCodelet	TX_NAME (ff_tx_mdct_inv_full_def)
static av_cold int TX_NAME()	ff_tx_mdct_pfa_init (AVTXContext *s, const FFTXCodelet *cd, uint64_t flags, FFTXCodeletOptions *opts, int len, int inv, const void *scale)
static av_cold int TX_NAME()	ff_tx_rdft_init (AVTXContext *s, const FFTXCodelet *cd, uint64_t flags, FFTXCodeletOptions *opts, int len, int inv, const void *scale)
static const FFTXCodelet	TX_NAME (ff_tx_rdft_r2c_def)
static const FFTXCodelet	TX_NAME (ff_tx_rdft_c2r_def)
int TX_TAB()	ff_tx_mdct_gen_exp (AVTXContext *s)
const FFTXCodelet *const	TX_NAME (ff_tx_codelet_list)[]

Variables
static FFSRTabsInitOnce	sr_tabs_init_once []
static FFSRTabsInitOnce	nptwo_tabs_init_once []

Macro Definition Documentation

TABLE_DEF

#define TABLE_DEF	(		name,
			size
	)		DECLARE_ALIGNED(32, TXSample, TX_TAB(ff_tx_tab_ ##name))[size]

Definition at line 27 of file tx_template.c.

SR_TABLE

#define SR_TABLE

(

len

)

TABLE_DEF(len, len/4 + 1)

Definition at line 30 of file tx_template.c.

INIT_FF_SR_TAB

#define INIT_FF_SR_TAB

(

len

)

Value:

static av_cold void TX_TAB(ff_tx_init_tab_ ##len)(void)            \
{                                                                  \
    double freq = 2*M_PI/len;                                      \
    TXSample *tab = TX_TAB(ff_tx_tab_ ##len);                      \
                                                                   \
    for (int i = 0; i < len/4; i++)                                \
        *tab++ = RESCALE(cos(i*freq));                             \
                                                                   \
    *tab = 0;                                                      \
}

Definition at line 61 of file tx_template.c.

DECL_FFT5

#define DECL_FFT5	(		NAME,
			D0,
			D1,
			D2,
			D3,
			D4
	)

Definition at line 212 of file tx_template.c.

BUTTERFLIES

#define BUTTERFLIES	(		a0,
			a1,
			a2,
			a3
	)

Value:

    do {                                       \
        r0=a0.re;                              \
        i0=a0.im;                              \
        r1=a1.re;                              \
        i1=a1.im;                              \
        BF(t3, t5, t5, t1);                    \
        BF(a2.re, a0.re, r0, t5);              \
        BF(a3.im, a1.im, i1, t3);              \
        BF(t4, t6, t2, t6);                    \
        BF(a3.re, a1.re, r1, t4);              \
        BF(a2.im, a0.im, i0, t6);              \
    } while (0)

Definition at line 476 of file tx_template.c.

TRANSFORM

#define TRANSFORM	(		a0,
			a1,
			a2,
			a3,
			wre,
			wim
	)

Value:

    do {                                       \
        CMUL(t1, t2, a2.re, a2.im, wre, -wim); \
        CMUL(t5, t6, a3.re, a3.im, wre,  wim); \
        BUTTERFLIES(a0, a1, a2, a3);           \
    } while (0)

Definition at line 490 of file tx_template.c.

DECL_SR_CODELET_DEF

#define DECL_SR_CODELET_DEF

(

n

)

Value:

static const FFTXCodelet TX_NAME(ff_tx_fft##n##_ns_def) = { \
    .name       = TX_NAME_STR("fft" #n "_ns"),              \
    .function   = TX_NAME(ff_tx_fft##n##_ns),               \
    .type       = TX_TYPE(FFT),                             \
    .flags      = AV_TX_INPLACE | AV_TX_UNALIGNED |         \
                  FF_TX_PRESHUFFLE,                         \
    .factors[0] = 2,                                        \
    .min_len    = n,                                        \
    .max_len    = n,                                        \
    .init       = TX_NAME(ff_tx_fft_sr_codelet_init),       \
    .cpu_flags  = FF_TX_CPU_FLAGS_ALL,                      \
    .prio       = FF_TX_PRIO_BASE,                          \
};

Definition at line 535 of file tx_template.c.

DECL_SR_CODELET

#define DECL_SR_CODELET	(		n,
			n2,
			n4
	)

Value:

static void TX_NAME(ff_tx_fft##n##_ns)(AVTXContext *s, void *dst,    \
                                        void *src, ptrdiff_t stride) \
{                                                                    \
    TXComplex *z = dst;                                              \
    const TXSample *cos = TX_TAB(ff_tx_tab_##n);                     \
                                                                     \
    TX_NAME(ff_tx_fft##n2##_ns)(s, z,        z,        stride);      \
    TX_NAME(ff_tx_fft##n4##_ns)(s, z + n4*2, z + n4*2, stride);      \
    TX_NAME(ff_tx_fft##n4##_ns)(s, z + n4*3, z + n4*3, stride);      \
    TX_NAME(ff_tx_fft_sr_combine)(z, cos, n4 >> 1);                  \
}                                                                    \
                                                                     \
DECL_SR_CODELET_DEF(n)

Definition at line 550 of file tx_template.c.

DECL_COMP_FFT

#define DECL_COMP_FFT

(

N

)

Definition at line 811 of file tx_template.c.

DECL_COMP_IMDCT

#define DECL_COMP_IMDCT

(

N

)

Definition at line 1155 of file tx_template.c.

DECL_COMP_MDCT

#define DECL_COMP_MDCT

(

N

)

Definition at line 1213 of file tx_template.c.

DECL_RDFT

#define DECL_RDFT	(		name,
			inv
	)

Definition at line 1324 of file tx_template.c.

Function Documentation

SR_TABLE() [1/15]

SR_TABLE

(

8

)

SR_TABLE() [2/15]

SR_TABLE

(

16

)

SR_TABLE() [3/15]

SR_TABLE

(

32

)

SR_TABLE() [4/15]

SR_TABLE

(

64

)

SR_TABLE() [5/15]

SR_TABLE

(

128

)

SR_TABLE() [6/15]

SR_TABLE

(

256

)

SR_TABLE() [7/15]

SR_TABLE

(

512

)

SR_TABLE() [8/15]

SR_TABLE

(

1024

)

SR_TABLE() [9/15]

SR_TABLE

(

2048

)

SR_TABLE() [10/15]

SR_TABLE

(

4096

)

SR_TABLE() [11/15]

SR_TABLE

(

8192

)

SR_TABLE() [12/15]

SR_TABLE

(

16384

)

SR_TABLE() [13/15]

SR_TABLE

(

32768

)

SR_TABLE() [14/15]

SR_TABLE

(

65536

)

SR_TABLE() [15/15]

SR_TABLE

(

131072

)

TABLE_DEF() [1/3]

TABLE_DEF	(	53	,
		8
	)

TABLE_DEF() [2/3]

TABLE_DEF	(	7	,
		6
	)

TABLE_DEF() [3/3]

TABLE_DEF	(	9	,
		8
	)

ff_tx_init_tab_53()

static av_cold void TX_TAB() ff_tx_init_tab_53 ( void  )

static

Definition at line 107 of file tx_template.c.

ff_tx_init_tab_7()

static av_cold void TX_TAB() ff_tx_init_tab_7 ( void  )

static

Definition at line 119 of file tx_template.c.

ff_tx_init_tab_9()

static av_cold void TX_TAB() ff_tx_init_tab_9 ( void  )

static

Definition at line 129 of file tx_template.c.

ff_tx_init_tabs()

av_cold void TX_TAB() ff_tx_init_tabs

(

int

len

)

Definition at line 147 of file tx_template.c.

Referenced by ff_tx_fft_pfa_init(), ff_tx_fft_sr_codelet_init(), and ff_tx_mdct_pfa_init().

fft3()

static av_always_inline void fft3 ( TXComplex *  out, TXComplex *  in, ptrdiff_t  stride  )

static

Definition at line 176 of file tx_template.c.

Referenced by fft15().

fft7()

static av_always_inline void fft7 ( TXComplex *  out, TXComplex *  in, ptrdiff_t  stride  )

static

Definition at line 252 of file tx_template.c.

fft9()

static av_always_inline void fft9 ( TXComplex *  out, TXComplex *  in, ptrdiff_t  stride  )

static

Definition at line 339 of file tx_template.c.

fft15()

static av_always_inline void fft15 ( TXComplex *  out, TXComplex *  in, ptrdiff_t  stride  )

static

Definition at line 463 of file tx_template.c.

ff_tx_fft_sr_combine()

static void TX_NAME() ff_tx_fft_sr_combine ( TXComplex *  z, const TXSample *  cos, int  len  )

inlinestatic

Definition at line 498 of file tx_template.c.

ff_tx_fft_sr_codelet_init()

static av_cold int TX_NAME() ff_tx_fft_sr_codelet_init ( AVTXContext *  s, const FFTXCodelet *  cd, uint64_t  flags, FFTXCodeletOptions *  opts, int  len, int  inv, const void *  scale  )

static

Definition at line 524 of file tx_template.c.

ff_tx_fft2_ns()

static void TX_NAME() ff_tx_fft2_ns ( AVTXContext *  s, void *  dst, void *  src, ptrdiff_t  stride  )

static

Definition at line 565 of file tx_template.c.

ff_tx_fft4_ns()

static void TX_NAME() ff_tx_fft4_ns ( AVTXContext *  s, void *  dst, void *  src, ptrdiff_t  stride  )

static

Definition at line 576 of file tx_template.c.

Referenced by ff_tx_fft16_ns(), and ff_tx_fft8_ns().

ff_tx_fft8_ns()

static void TX_NAME() ff_tx_fft8_ns ( AVTXContext *  s, void *  dst, void *  src, ptrdiff_t  stride  )

static

Definition at line 592 of file tx_template.c.

Referenced by ff_tx_fft16_ns().

ff_tx_fft16_ns()

static void TX_NAME() ff_tx_fft16_ns ( AVTXContext *  s, void *  dst, void *  src, ptrdiff_t  stride  )

static

Definition at line 610 of file tx_template.c.

ff_tx_fft_sr_init()

static av_cold int TX_NAME() ff_tx_fft_sr_init ( AVTXContext *  s, const FFTXCodelet *  cd, uint64_t  flags, FFTXCodeletOptions *  opts, int  len, int  inv, const void *  scale  )

static

Definition at line 654 of file tx_template.c.

ff_tx_fft_sr()

static void TX_NAME() ff_tx_fft_sr ( AVTXContext *  s, void *  _dst, void *  _src, ptrdiff_t  stride  )

static

Definition at line 678 of file tx_template.c.

ff_tx_fft_sr_inplace()

static void TX_NAME() ff_tx_fft_sr_inplace ( AVTXContext *  s, void *  _dst, void *  _src, ptrdiff_t  stride  )

static

Definition at line 694 of file tx_template.c.

TX_NAME() [1/11]

static const FFTXCodelet TX_NAME ( ff_tx_fft_sr_def  )

static

Referenced by ff_tx_fft16_ns(), and ff_tx_fft8_ns().

TX_NAME() [2/11]

static const FFTXCodelet TX_NAME ( ff_tx_fft_sr_inplace_def  )

static

ff_tx_fft_naive()

static void TX_NAME() ff_tx_fft_naive ( AVTXContext *  s, void *  _dst, void *  _src, ptrdiff_t  stride  )

static

Definition at line 743 of file tx_template.c.

TX_NAME() [3/11]

static const FFTXCodelet TX_NAME ( ff_tx_fft_naive_def  )

static

ff_tx_fft_pfa_init()

static av_cold int TX_NAME() ff_tx_fft_pfa_init ( AVTXContext *  s, const FFTXCodelet *  cd, uint64_t  flags, FFTXCodeletOptions *  opts, int  len, int  inv, const void *  scale  )

static

Definition at line 781 of file tx_template.c.

ff_tx_mdct_naive_init()

static av_cold int TX_NAME() ff_tx_mdct_naive_init ( AVTXContext *  s, const FFTXCodelet *  cd, uint64_t  flags, FFTXCodeletOptions *  opts, int  len, int  inv, const void *  scale  )

static

Definition at line 854 of file tx_template.c.

ff_tx_mdct_naive_fwd()

static void TX_NAME() ff_tx_mdct_naive_fwd ( AVTXContext *  s, void *  _dst, void *  _src, ptrdiff_t  stride  )

static

Definition at line 866 of file tx_template.c.

ff_tx_mdct_naive_inv()

static void TX_NAME() ff_tx_mdct_naive_inv ( AVTXContext *  s, void *  _dst, void *  _src, ptrdiff_t  stride  )

static

Definition at line 887 of file tx_template.c.

TX_NAME() [4/11]

static const FFTXCodelet TX_NAME ( ff_tx_mdct_naive_fwd_def  )

static

TX_NAME() [5/11]

static const FFTXCodelet TX_NAME ( ff_tx_mdct_naive_inv_def  )

static

ff_tx_mdct_sr_init()

static av_cold int TX_NAME() ff_tx_mdct_sr_init ( AVTXContext *  s, const FFTXCodelet *  cd, uint64_t  flags, FFTXCodeletOptions *  opts, int  len, int  inv, const void *  scale  )

static

Definition at line 943 of file tx_template.c.

ff_tx_mdct_sr_fwd()

static void TX_NAME() ff_tx_mdct_sr_fwd ( AVTXContext *  s, void *  _dst, void *  _src, ptrdiff_t  stride  )

static

Definition at line 970 of file tx_template.c.

ff_tx_mdct_sr_inv()

static void TX_NAME() ff_tx_mdct_sr_inv ( AVTXContext *  s, void *  _dst, void *  _src, ptrdiff_t  stride  )

static

Definition at line 1009 of file tx_template.c.

TX_NAME() [6/11]

static const FFTXCodelet TX_NAME ( ff_tx_mdct_sr_fwd_def  )

static

TX_NAME() [7/11]

static const FFTXCodelet TX_NAME ( ff_tx_mdct_sr_inv_def  )

static

ff_tx_mdct_inv_full_init()

static av_cold int TX_NAME() ff_tx_mdct_inv_full_init ( AVTXContext *  s, const FFTXCodelet *  cd, uint64_t  flags, FFTXCodeletOptions *  opts, int  len, int  inv, const void *  scale  )

static

Definition at line 1065 of file tx_template.c.

ff_tx_mdct_inv_full()

static void TX_NAME() ff_tx_mdct_inv_full ( AVTXContext *  s, void *  _dst, void *  _src, ptrdiff_t  stride  )

static

Definition at line 1085 of file tx_template.c.

TX_NAME() [8/11]

static const FFTXCodelet TX_NAME ( ff_tx_mdct_inv_full_def  )

static

ff_tx_mdct_pfa_init()

static av_cold int TX_NAME() ff_tx_mdct_pfa_init ( AVTXContext *  s, const FFTXCodelet *  cd, uint64_t  flags, FFTXCodeletOptions *  opts, int  len, int  inv, const void *  scale  )

static

Definition at line 1117 of file tx_template.c.

ff_tx_rdft_init()

static av_cold int TX_NAME() ff_tx_rdft_init ( AVTXContext *  s, const FFTXCodelet *  cd, uint64_t  flags, FFTXCodeletOptions *  opts, int  len, int  inv, const void *  scale  )

static

Definition at line 1280 of file tx_template.c.

TX_NAME() [9/11]

static const FFTXCodelet TX_NAME ( ff_tx_rdft_r2c_def  )

static

TX_NAME() [10/11]

static const FFTXCodelet TX_NAME ( ff_tx_rdft_c2r_def  )

static

ff_tx_mdct_gen_exp()

int TX_TAB() ff_tx_mdct_gen_exp

(

AVTXContext *

s

)

Definition at line 1406 of file tx_template.c.

Referenced by ff_tx_mdct_pfa_init(), and ff_tx_mdct_sr_init().

TX_NAME() [11/11]

const FFTXCodelet* const TX_NAME

(

ff_tx_codelet_list

)

Variable Documentation

sr_tabs_init_once

FFSRTabsInitOnce sr_tabs_init_once[]

static

Initial value:

= {
    { TX_TAB(ff_tx_init_tab_8),      AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_16),     AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_32),     AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_64),     AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_128),    AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_256),    AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_512),    AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_1024),   AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_2048),   AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_4096),   AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_8192),   AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_16384),  AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_32768),  AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_65536),  AV_ONCE_INIT },
    { TX_TAB(ff_tx_init_tab_131072), AV_ONCE_INIT },
}

Definition at line 89 of file tx_template.c.

Referenced by ff_tx_init_tabs().

nptwo_tabs_init_once

FFSRTabsInitOnce nptwo_tabs_init_once[]

static

Initial value:

= {
    { TX_TAB(ff_tx_init_tab_53),      AV_ONCE_INIT, { 15, 5, 3 } },
    { TX_TAB(ff_tx_init_tab_9),       AV_ONCE_INIT, {  9 }       },
    { TX_TAB(ff_tx_init_tab_7),       AV_ONCE_INIT, {  7 }       },
}

Definition at line 141 of file tx_template.c.

Referenced by ff_tx_init_tabs().