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Code Issues Releases Activity

float_dsp: Move vector_fmac_scalar() from libavcodec to libavutil

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This commit is contained in:
Justin Ruggles 2012-06-08 13:49:56 -04:00
parent 4e4dd71730
commit cb5042d02c
9 changed files with 82 additions and 75 deletions
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3
libavcodec/arm/dsputil_init_neon.c
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@ -154,8 +154,6 @@ void ff_vector_fmul_window_neon(float *dst, const float *src0,
const float *src1, const float *win, int len);
void ff_vector_fmul_scalar_neon(float *dst, const float *src, float mul,
int len);
void ff_vector_fmac_scalar_neon(float *dst, const float *src, float mul,
int len);
void ff_butterflies_float_neon(float *v1, float *v2, int len);
float ff_scalarproduct_float_neon(const float *v1, const float *v2, int len);
void ff_vector_fmul_reverse_neon(float *dst, const float *src0,
@ -329,7 +327,6 @@ void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
c->vector_fmul_window = ff_vector_fmul_window_neon;
c->vector_fmul_scalar = ff_vector_fmul_scalar_neon;
c->vector_fmac_scalar = ff_vector_fmac_scalar_neon;
c->butterflies_float = ff_butterflies_float_neon;
c->scalarproduct_float = ff_scalarproduct_float_neon;
c->vector_fmul_reverse = ff_vector_fmul_reverse_neon;

48
libavcodec/arm/dsputil_neon.S
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@ -682,54 +682,6 @@ NOVFP vdup.32 q8, r2
.unreq len
endfunc
function ff_vector_fmac_scalar_neon, export=1
VFP len .req r2
VFP acc .req r3
NOVFP len .req r3
NOVFP acc .req r2
VFP vdup.32 q15, d0[0]
NOVFP vdup.32 q15, r2
bics r12, len, #15
mov acc, r0
beq 3f
vld1.32 {q0}, [r1,:128]!
vld1.32 {q8}, [acc,:128]!
vld1.32 {q1}, [r1,:128]!
vld1.32 {q9}, [acc,:128]!
1: vmla.f32 q8, q0, q15
vld1.32 {q2}, [r1,:128]!
vld1.32 {q10}, [acc,:128]!
vmla.f32 q9, q1, q15
vld1.32 {q3}, [r1,:128]!
vld1.32 {q11}, [acc,:128]!
vmla.f32 q10, q2, q15
vst1.32 {q8}, [r0,:128]!
vmla.f32 q11, q3, q15
vst1.32 {q9}, [r0,:128]!
subs r12, r12, #16
beq 2f
vld1.32 {q0}, [r1,:128]!
vld1.32 {q8}, [acc,:128]!
vst1.32 {q10}, [r0,:128]!
vld1.32 {q1}, [r1,:128]!
vld1.32 {q9}, [acc,:128]!
vst1.32 {q11}, [r0,:128]!
b 1b
2: vst1.32 {q10}, [r0,:128]!
vst1.32 {q11}, [r0,:128]!
ands len, len, #15
it eq
bxeq lr
3: vld1.32 {q0}, [r1,:128]!
vld1.32 {q8}, [acc,:128]!
vmla.f32 q8, q0, q15
vst1.32 {q8}, [r0,:128]!
subs len, len, #4
bgt 3b
bx lr
.unreq len
endfunc
function ff_butterflies_float_neon, export=1
1: vld1.32 {q0},[r0,:128]
vld1.32 {q1},[r1,:128]

9
libavcodec/dca.c
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@ -27,6 +27,7 @@
#include <stdio.h>
#include "libavutil/common.h"
#include "libavutil/float_dsp.h"
#include "libavutil/intmath.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
@ -383,7 +384,7 @@ typedef struct {
int profile;
int debug_flag; ///< used for suppressing repeated error messages output
DSPContext dsp;
AVFloatDSPContext fdsp;
FFTContext imdct;
SynthFilterContext synth;
DCADSPContext dcadsp;
@ -1865,8 +1866,8 @@ static int dca_decode_frame(AVCodecContext *avctx, void *data,
float *back_chan = s->samples + s->channel_order_tab[s->xch_base_channel] * 256;
float *lt_chan = s->samples + s->channel_order_tab[s->xch_base_channel - 2] * 256;
float *rt_chan = s->samples + s->channel_order_tab[s->xch_base_channel - 1] * 256;
s->dsp.vector_fmac_scalar(lt_chan, back_chan, -M_SQRT1_2, 256);
s->dsp.vector_fmac_scalar(rt_chan, back_chan, -M_SQRT1_2, 256);
s->fdsp.vector_fmac_scalar(lt_chan, back_chan, -M_SQRT1_2, 256);
s->fdsp.vector_fmac_scalar(rt_chan, back_chan, -M_SQRT1_2, 256);
}
if (avctx->sample_fmt == AV_SAMPLE_FMT_FLT) {
@ -1908,7 +1909,7 @@ static av_cold int dca_decode_init(AVCodecContext *avctx)
s->avctx = avctx;
dca_init_vlcs();
ff_dsputil_init(&s->dsp, avctx);
avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
ff_mdct_init(&s->imdct, 6, 1, 1.0);
ff_synth_filter_init(&s->synth);
ff_dcadsp_init(&s->dcadsp);

9
libavcodec/dsputil.c
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@ -2401,14 +2401,6 @@ static void vector_fmul_scalar_c(float *dst, const float *src, float mul,
dst[i] = src[i] * mul;
}
static void vector_fmac_scalar_c(float *dst, const float *src, float mul,
int len)
{
int i;
for (i = 0; i < len; i++)
dst[i] += src[i] * mul;
}
static void butterflies_float_c(float *restrict v1, float *restrict v2,
int len)
{
@ -2904,7 +2896,6 @@ av_cold void ff_dsputil_init(DSPContext* c, AVCodecContext *avctx)
c->butterflies_float = butterflies_float_c;
c->butterflies_float_interleave = butterflies_float_interleave_c;
c->vector_fmul_scalar = vector_fmul_scalar_c;
c->vector_fmac_scalar = vector_fmac_scalar_c;
c->shrink[0]= av_image_copy_plane;
c->shrink[1]= ff_shrink22;

11
libavcodec/dsputil.h
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@ -416,17 +416,6 @@ typedef struct DSPContext {
*/
void (*vector_fmul_scalar)(float *dst, const float *src, float mul,
int len);
/**
* Multiply a vector of floats by a scalar float and add to
* destination vector. Source and destination vectors must
* overlap exactly or not at all.
* @param dst result vector, 16-byte aligned
* @param src input vector, 16-byte aligned
* @param mul scalar value
* @param len length of vector, multiple of 4
*/
void (*vector_fmac_scalar)(float *dst, const float *src, float mul,
int len);
/**
* Calculate the scalar product of two vectors of floats.
* @param v1 first vector, 16-byte aligned

4
libavutil/arm/float_dsp_init_neon.c
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@ -26,7 +26,11 @@
void ff_vector_fmul_neon(float *dst, const float *src0, const float *src1, int len);
void ff_vector_fmac_scalar_neon(float *dst, const float *src, float mul,
int len);
void ff_float_dsp_init_neon(AVFloatDSPContext *fdsp)
{
fdsp->vector_fmul = ff_vector_fmul_neon;
fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_neon;
}

48
libavutil/arm/float_dsp_neon.S
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@ -62,3 +62,51 @@ function ff_vector_fmul_neon, export=1
3: vst1.32 {d16-d19},[r0,:128]!
bx lr
endfunc
function ff_vector_fmac_scalar_neon, export=1
VFP len .req r2
VFP acc .req r3
NOVFP len .req r3
NOVFP acc .req r2
VFP vdup.32 q15, d0[0]
NOVFP vdup.32 q15, r2
bics r12, len, #15
mov acc, r0
beq 3f
vld1.32 {q0}, [r1,:128]!
vld1.32 {q8}, [acc,:128]!
vld1.32 {q1}, [r1,:128]!
vld1.32 {q9}, [acc,:128]!
1: vmla.f32 q8, q0, q15
vld1.32 {q2}, [r1,:128]!
vld1.32 {q10}, [acc,:128]!
vmla.f32 q9, q1, q15
vld1.32 {q3}, [r1,:128]!
vld1.32 {q11}, [acc,:128]!
vmla.f32 q10, q2, q15
vst1.32 {q8}, [r0,:128]!
vmla.f32 q11, q3, q15
vst1.32 {q9}, [r0,:128]!
subs r12, r12, #16
beq 2f
vld1.32 {q0}, [r1,:128]!
vld1.32 {q8}, [acc,:128]!
vst1.32 {q10}, [r0,:128]!
vld1.32 {q1}, [r1,:128]!
vld1.32 {q9}, [acc,:128]!
vst1.32 {q11}, [r0,:128]!
b 1b
2: vst1.32 {q10}, [r0,:128]!
vst1.32 {q11}, [r0,:128]!
ands len, len, #15
it eq
bxeq lr
3: vld1.32 {q0}, [r1,:128]!
vld1.32 {q8}, [acc,:128]!
vmla.f32 q8, q0, q15
vst1.32 {q8}, [r0,:128]!
subs len, len, #4
bgt 3b
bx lr
.unreq len
endfunc

9
libavutil/float_dsp.c
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@ -28,9 +28,18 @@ static void vector_fmul_c(float *dst, const float *src0, const float *src1,
dst[i] = src0[i] * src1[i];
}
static void vector_fmac_scalar_c(float *dst, const float *src, float mul,
int len)
{
int i;
for (i = 0; i < len; i++)
dst[i] += src[i] * mul;
}
void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
{
fdsp->vector_fmul = vector_fmul_c;
fdsp->vector_fmac_scalar = vector_fmac_scalar_c;
#if ARCH_ARM
ff_float_dsp_init_arm(fdsp);

16
libavutil/float_dsp.h
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@ -35,6 +35,22 @@ typedef struct AVFloatDSPContext {
*/
void (*vector_fmul)(float *dst, const float *src0, const float *src1,
int len);
/**
* Multiply a vector of floats by a scalar float and add to
* destination vector. Source and destination vectors must
* overlap exactly or not at all.
*
* @param dst result vector
* constraints: 16-byte aligned
* @param src input vector
* constraints: 16-byte aligned
* @param mul scalar value
* @param len length of vector
* constraints: multiple of 4
*/
void (*vector_fmac_scalar)(float *dst, const float *src, float mul,
int len);
} AVFloatDSPContext;
/**