libavcodec/x86/mpegaudiodec_mmx.c File Reference

#include "libavutil/cpu.h"
#include "libavutil/x86_cpu.h"
#include "libavcodec/dsputil.h"
#include "libavcodec/mpegaudiodsp.h"

Go to the source code of this file.

Defines
#define	MACS(rt, ra, rb)   rt+=(ra)*(rb)
#define	MLSS(rt, ra, rb)   rt-=(ra)*(rb)
#define	SUM8(op, sum, w, p)
#define	MULT(a, b)
#define	SUMS(suma, sumb, sumc, sumd, out1, out2)
#define	DECL_IMDCT_BLOCKS(CPU1, CPU2)
Functions
void	ff_imdct36_float_sse (float *out, float *buf, float *in, float *win)
void	ff_imdct36_float_sse2 (float *out, float *buf, float *in, float *win)
void	ff_imdct36_float_sse3 (float *out, float *buf, float *in, float *win)
void	ff_imdct36_float_ssse3 (float *out, float *buf, float *in, float *win)
void	ff_imdct36_float_avx (float *out, float *buf, float *in, float *win)
void	ff_four_imdct36_float_sse (float *out, float *buf, float *in, float *win, float *tmpbuf)
void	ff_four_imdct36_float_avx (float *out, float *buf, float *in, float *win, float *tmpbuf)
static void	apply_window (const float *buf, const float *win1, const float *win2, float *sum1, float *sum2, int len)
static void	apply_window_mp3 (float *in, float *win, int *unused, float *out, int incr)
void	ff_mpadsp_init_mmx (MPADSPContext *s)
Variables
static float	mdct_win_sse [2][4][4 *40]

---

Define Documentation

#define DECL_IMDCT_BLOCKS	(	CPU1,
		CPU2		)

Value:

static void imdct36_blocks_ ## CPU1(float *out, float *buf, float *in,      \
                               int count, int switch_point, int block_type) \
{                                                                           \
    int align_end = count - (count & 3);                                \
    int j;                                                              \
    for (j = 0; j < align_end; j+= 4) {                                 \
        LOCAL_ALIGNED_16(float, tmpbuf, [1024]);                        \
        float *win = mdct_win_sse[switch_point && j < 4][block_type];   \
        /* apply window & overlap with previous buffer */               \
                                                                        \
        /* select window */                                             \
        ff_four_imdct36_float_ ## CPU2(out, buf, in, win, tmpbuf);      \
        in      += 4*18;                                                \
        buf     += 4*18;                                                \
        out     += 4;                                                   \
    }                                                                   \
    for (; j < count; j++) {                                            \
        /* apply window & overlap with previous buffer */               \
                                                                        \
        /* select window */                                             \
        int win_idx = (switch_point && j < 2) ? 0 : block_type;         \
        float *win = ff_mdct_win_float[win_idx + (4 & -(j & 1))];       \
                                                                        \
        ff_imdct36_float_ ## CPU1(out, buf, in, win);                   \
                                                                        \
        in  += 18;                                                      \
        buf++;                                                          \
        out++;                                                          \
    }                                                                   \
}

Definition at line 182 of file mpegaudiodec_mmx.c.

#define MACS	(	rt,
		ra,
		rb		)	rt+=(ra)*(rb)

Definition at line 39 of file mpegaudiodec_mmx.c.

#define MLSS	(	rt,
		ra,
		rb		)	rt-=(ra)*(rb)

Definition at line 40 of file mpegaudiodec_mmx.c.

#define MULT	(	a,
		b		)

Value:

"movaps " #a "(%1,%0), %%xmm1           \n\t"  \
    "movaps " #a "(%3,%0), %%xmm2           \n\t"  \
    "mulps         %%xmm2, %%xmm1           \n\t"  \
    "subps         %%xmm1, %%xmm0           \n\t"  \
    "mulps  " #b "(%2,%0), %%xmm2           \n\t"  \
    "subps         %%xmm2, %%xmm4           \n\t"  \

#define SUM8	(	op,
		sum,
		w,
		p		)

Value:

{                                         \
    op(sum, (w)[0 * 64], (p)[0 * 64]);    \
    op(sum, (w)[1 * 64], (p)[1 * 64]);    \
    op(sum, (w)[2 * 64], (p)[2 * 64]);    \
    op(sum, (w)[3 * 64], (p)[3 * 64]);    \
    op(sum, (w)[4 * 64], (p)[4 * 64]);    \
    op(sum, (w)[5 * 64], (p)[5 * 64]);    \
    op(sum, (w)[6 * 64], (p)[6 * 64]);    \
    op(sum, (w)[7 * 64], (p)[7 * 64]);    \
}

Definition at line 42 of file mpegaudiodec_mmx.c.

#define SUMS	(	suma,
		sumb,
		sumc,
		sumd,
		out1,
		out2		)

Value:

"movups " #sumd "(%4),       %%xmm0          \n\t" \
            "shufps         $0x1b,       %%xmm0, %%xmm0  \n\t" \
            "subps  " #suma "(%1),       %%xmm0          \n\t" \
            "movaps        %%xmm0," #out1 "(%0)          \n\t" \
\
            "movups " #sumc "(%3),       %%xmm0          \n\t" \
            "shufps         $0x1b,       %%xmm0, %%xmm0  \n\t" \
            "addps  " #sumb "(%2),       %%xmm0          \n\t" \
            "movaps        %%xmm0," #out2 "(%0)          \n\t"

Referenced by apply_window_mp3().

---

Function Documentation

static void apply_window	(	const float *	buf,
		const float *	win1,
		const float *	win2,
		float *	sum1,
		float *	sum2,
		int	len
	)			[static]

Definition at line 54 of file mpegaudiodec_mmx.c.

static void apply_window_mp3	(	float *	in,
		float *	win,
		int *	unused,
		float *	out,
		int	incr
	)			[static]

Definition at line 98 of file mpegaudiodec_mmx.c.

void ff_four_imdct36_float_avx	(	float *	out,
		float *	buf,
		float *	in,
		float *	win,
		float *	tmpbuf
	)

void ff_four_imdct36_float_sse	(	float *	out,
		float *	buf,
		float *	in,
		float *	win,
		float *	tmpbuf
	)

void ff_imdct36_float_avx	(	float *	out,
		float *	buf,
		float *	in,
		float *	win
	)

void ff_imdct36_float_sse	(	float *	out,
		float *	buf,
		float *	in,
		float *	win
	)

void ff_imdct36_float_sse2	(	float *	out,
		float *	buf,
		float *	in,
		float *	win
	)

void ff_imdct36_float_sse3	(	float *	out,
		float *	buf,
		float *	in,
		float *	win
	)

void ff_imdct36_float_ssse3	(	float *	out,
		float *	buf,
		float *	in,
		float *	win
	)

void ff_mpadsp_init_mmx

(

MPADSPContext *

s

)

Definition at line 226 of file mpegaudiodec_mmx.c.

Referenced by ff_mpadsp_init().

---

Variable Documentation

float mdct_win_sse[2][4][4 *40] [static]

Definition at line 37 of file mpegaudiodec_mmx.c.

Referenced by ff_mpadsp_init_mmx().