generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Move vorbis_inverse_coupling from dsputil to vorbisdspcontext.

Browse Source 
Conveniently (together with Justin's earlier patches), this makes
our vorbis decoder entirely independent of dsputil.
This commit is contained in:
Ronald S. Bultje 2013-01-19 22:21:10 -08:00
parent aeaf268e52
commit fef906c77c
17 changed files with 358 additions and 167 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/Makefile
View File

@ -388,7 +388,7 @@ OBJS-$(CONFIG_VCR1_DECODER) += vcr1.o
OBJS-$(CONFIG_VMDAUDIO_DECODER) += vmdav.o
OBJS-$(CONFIG_VMDVIDEO_DECODER) += vmdav.o
OBJS-$(CONFIG_VMNC_DECODER) += vmnc.o
OBJS-$(CONFIG_VORBIS_DECODER) += vorbisdec.o vorbis.o \
OBJS-$(CONFIG_VORBIS_DECODER) += vorbisdec.o vorbisdsp.o vorbis.o \
vorbis_data.o xiph.o
OBJS-$(CONFIG_VORBIS_ENCODER) += vorbisenc.o vorbis.o \
vorbis_data.o

3
libavcodec/arm/Makefile
View File

@ -15,6 +15,7 @@ OBJS-$(CONFIG_MPEGAUDIODSP) += arm/mpegaudiodsp_init_arm.o
ARMV6-OBJS-$(CONFIG_MPEGAUDIODSP) += arm/mpegaudiodsp_fixed_armv6.o
OBJS-$(CONFIG_MPEGVIDEO) += arm/mpegvideo_arm.o
OBJS-$(CONFIG_VORBIS_DECODER) += arm/vorbisdsp_init_arm.o
OBJS-$(CONFIG_VP3DSP) += arm/vp3dsp_init_arm.o
OBJS-$(CONFIG_VP5_DECODER) += arm/vp56dsp_init_arm.o
OBJS-$(CONFIG_VP6_DECODER) += arm/vp56dsp_init_arm.o
@ -86,6 +87,8 @@ NEON-OBJS-$(CONFIG_RV40_DECODER) += arm/rv34dsp_neon.o \
arm/rv40dsp_neon.o \
arm/h264cmc_neon.o \
NEON-OBJS-$(CONFIG_VORBIS_DECODER) += arm/vorbisdsp_neon.o
NEON-OBJS-$(CONFIG_VP3DSP) += arm/vp3dsp_neon.o
NEON-OBJS-$(CONFIG_VP5_DECODER) += arm/vp56dsp_neon.o \

5
libavcodec/arm/dsputil_init_neon.c
View File

@ -154,8 +154,6 @@ void ff_vector_clipf_neon(float *dst, const float *src, float min, float max,
void ff_vector_clip_int32_neon(int32_t *dst, const int32_t *src, int32_t min,
int32_t max, unsigned int len);
void ff_vorbis_inverse_coupling_neon(float *mag, float *ang, int blocksize);
int32_t ff_scalarproduct_int16_neon(const int16_t *v1, const int16_t *v2, int len);
int32_t ff_scalarproduct_and_madd_int16_neon(int16_t *v1, const int16_t *v2,
const int16_t *v3, int len, int mul);
@ -307,9 +305,6 @@ void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
c->vector_clipf = ff_vector_clipf_neon;
c->vector_clip_int32 = ff_vector_clip_int32_neon;
if (CONFIG_VORBIS_DECODER)
c->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_neon;
c->scalarproduct_int16 = ff_scalarproduct_int16_neon;
c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_neon;

64
libavcodec/arm/dsputil_neon.S
View File

@ -19,7 +19,6 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "libavutil/arm/asm.S"
function ff_clear_block_neon, export=1
@ -532,69 +531,6 @@ function ff_add_pixels_clamped_neon, export=1
bx lr
endfunc
#if CONFIG_VORBIS_DECODER
function ff_vorbis_inverse_coupling_neon, export=1
vmov.i32 q10, #1<<31
subs r2, r2, #4
mov r3, r0
mov r12, r1
beq 3f
vld1.32 {d24-d25},[r1,:128]!
vld1.32 {d22-d23},[r0,:128]!
vcle.s32 q8, q12, #0
vand q9, q11, q10
veor q12, q12, q9
vand q2, q12, q8
vbic q3, q12, q8
vadd.f32 q12, q11, q2
vsub.f32 q11, q11, q3
1: vld1.32 {d2-d3}, [r1,:128]!
vld1.32 {d0-d1}, [r0,:128]!
vcle.s32 q8, q1, #0
vand q9, q0, q10
veor q1, q1, q9
vst1.32 {d24-d25},[r3, :128]!
vst1.32 {d22-d23},[r12,:128]!
vand q2, q1, q8
vbic q3, q1, q8
vadd.f32 q1, q0, q2
vsub.f32 q0, q0, q3
subs r2, r2, #8
ble 2f
vld1.32 {d24-d25},[r1,:128]!
vld1.32 {d22-d23},[r0,:128]!
vcle.s32 q8, q12, #0
vand q9, q11, q10
veor q12, q12, q9
vst1.32 {d2-d3}, [r3, :128]!
vst1.32 {d0-d1}, [r12,:128]!
vand q2, q12, q8
vbic q3, q12, q8
vadd.f32 q12, q11, q2
vsub.f32 q11, q11, q3
b 1b
2: vst1.32 {d2-d3}, [r3, :128]!
vst1.32 {d0-d1}, [r12,:128]!
it lt
bxlt lr
3: vld1.32 {d2-d3}, [r1,:128]
vld1.32 {d0-d1}, [r0,:128]
vcle.s32 q8, q1, #0
vand q9, q0, q10
veor q1, q1, q9
vand q2, q1, q8
vbic q3, q1, q8
vadd.f32 q1, q0, q2
vsub.f32 q0, q0, q3
vst1.32 {d2-d3}, [r0,:128]!
vst1.32 {d0-d1}, [r1,:128]!
bx lr
endfunc
#endif
function ff_butterflies_float_neon, export=1
1: vld1.32 {q0},[r0,:128]
vld1.32 {q1},[r1,:128]

36
libavcodec/arm/vorbisdsp_init_arm.c Normal file
View File

@ -0,0 +1,36 @@
/*
* ARM NEON optimised DSP functions
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/arm/cpu.h"
#include "libavcodec/vorbisdsp.h"
void ff_vorbis_inverse_coupling_neon(float *mag, float *ang, int blocksize);
void ff_vorbisdsp_init_arm(VorbisDSPContext *c)
{
int cpu_flags = av_get_cpu_flags();
if (have_neon(cpu_flags)) {
c->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_neon;
}
}

83
libavcodec/arm/vorbisdsp_neon.S Normal file
View File

@ -0,0 +1,83 @@
/*
* ARM NEON optimised DSP functions
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/arm/asm.S"
function ff_vorbis_inverse_coupling_neon, export=1
vmov.i32 q10, #1<<31
subs r2, r2, #4
mov r3, r0
mov r12, r1
beq 3f
vld1.32 {d24-d25},[r1,:128]!
vld1.32 {d22-d23},[r0,:128]!
vcle.s32 q8, q12, #0
vand q9, q11, q10
veor q12, q12, q9
vand q2, q12, q8
vbic q3, q12, q8
vadd.f32 q12, q11, q2
vsub.f32 q11, q11, q3
1: vld1.32 {d2-d3}, [r1,:128]!
vld1.32 {d0-d1}, [r0,:128]!
vcle.s32 q8, q1, #0
vand q9, q0, q10
veor q1, q1, q9
vst1.32 {d24-d25},[r3, :128]!
vst1.32 {d22-d23},[r12,:128]!
vand q2, q1, q8
vbic q3, q1, q8
vadd.f32 q1, q0, q2
vsub.f32 q0, q0, q3
subs r2, r2, #8
ble 2f
vld1.32 {d24-d25},[r1,:128]!
vld1.32 {d22-d23},[r0,:128]!
vcle.s32 q8, q12, #0
vand q9, q11, q10
veor q12, q12, q9
vst1.32 {d2-d3}, [r3, :128]!
vst1.32 {d0-d1}, [r12,:128]!
vand q2, q12, q8
vbic q3, q12, q8
vadd.f32 q12, q11, q2
vsub.f32 q11, q11, q3
b 1b
2: vst1.32 {d2-d3}, [r3, :128]!
vst1.32 {d0-d1}, [r12,:128]!
it lt
bxlt lr
3: vld1.32 {d2-d3}, [r1,:128]
vld1.32 {d0-d1}, [r0,:128]
vcle.s32 q8, q1, #0
vand q9, q0, q10
veor q1, q1, q9
vand q2, q1, q8
vbic q3, q1, q8
vadd.f32 q1, q0, q2
vsub.f32 q0, q0, q3
vst1.32 {d2-d3}, [r0,:128]!
vst1.32 {d0-d1}, [r1,:128]!
bx lr
endfunc

4
libavcodec/dsputil.c
View File

@ -36,7 +36,6 @@
#include "mathops.h"
#include "mpegvideo.h"
#include "config.h"
#include "vorbis.h"
uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP] = {0, };
uint32_t ff_squareTbl[512] = {0, };
@ -2817,9 +2816,6 @@ av_cold void ff_dsputil_init(DSPContext* c, AVCodecContext *avctx)
c->try_8x8basis= try_8x8basis_c;
c->add_8x8basis= add_8x8basis_c;
#if CONFIG_VORBIS_DECODER
c->vorbis_inverse_coupling = ff_vorbis_inverse_coupling;
#endif
c->vector_fmul_reverse = vector_fmul_reverse_c;
c->vector_fmul_add = vector_fmul_add_c;
c->vector_clipf = vector_clipf_c;

2
libavcodec/dsputil.h
View File

@ -346,8 +346,6 @@ typedef struct DSPContext {
void (*h261_loop_filter)(uint8_t *src, int stride);
/* assume len is a multiple of 4, and arrays are 16-byte aligned */
void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize);
/* assume len is a multiple of 16, and arrays are 32-byte aligned */
void (*vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len);
/* assume len is a multiple of 8, and src arrays are 16-byte aligned */

1
libavcodec/ppc/Makefile
View File

@ -1,6 +1,7 @@
OBJS += ppc/dsputil_ppc.o \
ppc/videodsp_ppc.o \
OBJS-$(CONFIG_VORBIS_DECODER) += ppc/vorbisdsp_altivec.o
OBJS-$(CONFIG_VP3DSP) += ppc/vp3dsp_altivec.o
FFT-OBJS-$(HAVE_GNU_AS) += ppc/fft_altivec_s.o

25
libavcodec/ppc/dsputil_altivec.c
View File

@ -1283,29 +1283,6 @@ static int hadamard8_diff16_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, ui
return score;
}
static void vorbis_inverse_coupling_altivec(float *mag, float *ang,
int blocksize)
{
int i;
vector float m, a;
vector bool int t0, t1;
const vector unsigned int v_31 = //XXX
vec_add(vec_add(vec_splat_u32(15),vec_splat_u32(15)),vec_splat_u32(1));
for (i = 0; i < blocksize; i += 4) {
m = vec_ld(0, mag+i);
a = vec_ld(0, ang+i);
t0 = vec_cmple(m, (vector float)vec_splat_u32(0));
t1 = vec_cmple(a, (vector float)vec_splat_u32(0));
a = vec_xor(a, (vector float) vec_sl((vector unsigned int)t0, v_31));
t0 = (vector bool int)vec_and(a, t1);
t1 = (vector bool int)vec_andc(a, t1);
a = vec_sub(m, (vector float)t1);
m = vec_add(m, (vector float)t0);
vec_stl(a, 0, ang+i);
vec_stl(m, 0, mag+i);
}
}
/* next one assumes that ((line_size % 8) == 0) */
static void avg_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
@ -1403,6 +1380,4 @@ void ff_dsputil_init_altivec(DSPContext* c, AVCodecContext *avctx)
c->hadamard8_diff[0] = hadamard8_diff16_altivec;
c->hadamard8_diff[1] = hadamard8_diff8x8_altivec;
if (CONFIG_VORBIS_DECODER)
c->vorbis_inverse_coupling = vorbis_inverse_coupling_altivec;
}

62
libavcodec/ppc/vorbisdsp_altivec.c Normal file
View File

@ -0,0 +1,62 @@
/*
* Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#if HAVE_ALTIVEC_H
#include <altivec.h>
#endif
#include "libavutil/cpu.h"
#include "libavutil/ppc/types_altivec.h"
#include "libavutil/ppc/util_altivec.h"
#include "libavcodec/vorbisdsp.h"
#if HAVE_ALTIVEC
static void vorbis_inverse_coupling_altivec(float *mag, float *ang,
int blocksize)
{
int i;
vector float m, a;
vector bool int t0, t1;
const vector unsigned int v_31 = //XXX
vec_add(vec_add(vec_splat_u32(15),vec_splat_u32(15)),vec_splat_u32(1));
for (i = 0; i < blocksize; i += 4) {
m = vec_ld(0, mag+i);
a = vec_ld(0, ang+i);
t0 = vec_cmple(m, (vector float)vec_splat_u32(0));
t1 = vec_cmple(a, (vector float)vec_splat_u32(0));
a = vec_xor(a, (vector float) vec_sl((vector unsigned int)t0, v_31));
t0 = (vector bool int)vec_and(a, t1);
t1 = (vector bool int)vec_andc(a, t1);
a = vec_sub(m, (vector float)t1);
m = vec_add(m, (vector float)t0);
vec_stl(a, 0, ang+i);
vec_stl(m, 0, mag+i);
}
}
#endif /* HAVE_ALTIVEC */
void ff_vorbisdsp_init_ppc(VorbisDSPContext* c)
{
#if HAVE_ALTIVEC
if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
c->vorbis_inverse_coupling = vorbis_inverse_coupling_altivec;
}
#endif /* HAVE_ALTIVEC */
}

6
libavcodec/vorbisdec.c
View File

@ -29,12 +29,12 @@
#include "libavutil/float_dsp.h"
#include "avcodec.h"
#include "get_bits.h"
#include "dsputil.h"
#include "fft.h"
#include "fmtconvert.h"
#include "internal.h"
#include "vorbis.h"
#include "vorbisdsp.h"
#include "xiph.h"
#define V_NB_BITS 8
@ -125,7 +125,7 @@ typedef struct vorbis_context_s {
AVCodecContext *avccontext;
AVFrame frame;
GetBitContext gb;
DSPContext dsp;
VorbisDSPContext dsp;
AVFloatDSPContext fdsp;
FmtConvertContext fmt_conv;
@ -981,7 +981,7 @@ static av_cold int vorbis_decode_init(AVCodecContext *avccontext)
int hdr_type, ret;
vc->avccontext = avccontext;
ff_dsputil_init(&vc->dsp, avccontext);
ff_vorbisdsp_init(&vc->dsp);
avpriv_float_dsp_init(&vc->fdsp, avccontext->flags & CODEC_FLAG_BITEXACT);
ff_fmt_convert_init(&vc->fmt_conv, avccontext);

33
libavcodec/vorbisdsp.c Normal file
View File

@ -0,0 +1,33 @@
/*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "vorbisdsp.h"
#include "vorbis.h"
void ff_vorbisdsp_init(VorbisDSPContext *dsp)
{
dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling;
if (ARCH_X86)
ff_vorbisdsp_init_x86(dsp);
if (ARCH_PPC)
ff_vorbisdsp_init_ppc(dsp);
if (ARCH_ARM)
ff_vorbisdsp_init_arm(dsp);
}

34
libavcodec/vorbisdsp.h Normal file
View File

@ -0,0 +1,34 @@
/*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_VORBISDSP_H
#define AVCODEC_VORBISDSP_H
typedef struct VorbisDSPContext {
/* assume len is a multiple of 4, and arrays are 16-byte aligned */
void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize);
} VorbisDSPContext;
void ff_vorbisdsp_init(VorbisDSPContext *dsp);
/* for internal use only */
void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp);
void ff_vorbisdsp_init_arm(VorbisDSPContext *dsp);
void ff_vorbisdsp_init_ppc(VorbisDSPContext *dsp);
#endif /* AVCODEC_VORBISDSP_H */

1
libavcodec/x86/Makefile
View File

@ -20,6 +20,7 @@ OBJS-$(CONFIG_RV40_DECODER) += x86/rv34dsp_init.o \
OBJS-$(CONFIG_TRUEHD_DECODER) += x86/mlpdsp.o
OBJS-$(CONFIG_VC1_DECODER) += x86/vc1dsp_init.o
OBJS-$(CONFIG_VIDEODSP) += x86/videodsp_init.o
OBJS-$(CONFIG_VORBIS_DECODER) += x86/vorbisdsp_init.o
OBJS-$(CONFIG_VP3DSP) += x86/vp3dsp_init.o
OBJS-$(CONFIG_VP5_DECODER) += x86/vp56dsp_init.o
OBJS-$(CONFIG_VP6_DECODER) += x86/vp56dsp_init.o

63
libavcodec/x86/dsputil_mmx.c
View File

@ -1829,65 +1829,6 @@ void ff_avg_vc1_mspel_mc00_mmxext(uint8_t *dst, const uint8_t *src,
avg_pixels8_mmxext(dst, src, stride, 8);
}
static void vorbis_inverse_coupling_3dnow(float *mag, float *ang, int blocksize)
{
int i;
__asm__ volatile ("pxor %%mm7, %%mm7":);
for (i = 0; i < blocksize; i += 2) {
__asm__ volatile (
"movq %0, %%mm0 \n\t"
"movq %1, %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"movq %%mm1, %%mm3 \n\t"
"pfcmpge %%mm7, %%mm2 \n\t" // m <= 0.0
"pfcmpge %%mm7, %%mm3 \n\t" // a <= 0.0
"pslld $31, %%mm2 \n\t" // keep only the sign bit
"pxor %%mm2, %%mm1 \n\t"
"movq %%mm3, %%mm4 \n\t"
"pand %%mm1, %%mm3 \n\t"
"pandn %%mm1, %%mm4 \n\t"
"pfadd %%mm0, %%mm3 \n\t" // a = m + ((a < 0) & (a ^ sign(m)))
"pfsub %%mm4, %%mm0 \n\t" // m = m + ((a > 0) & (a ^ sign(m)))
"movq %%mm3, %1 \n\t"
"movq %%mm0, %0 \n\t"
: "+m"(mag[i]), "+m"(ang[i])
:: "memory"
);
}
__asm__ volatile ("femms");
}
static void vorbis_inverse_coupling_sse(float *mag, float *ang, int blocksize)
{
int i;
__asm__ volatile (
"movaps %0, %%xmm5 \n\t"
:: "m"(ff_pdw_80000000[0])
);
for (i = 0; i < blocksize; i += 4) {
__asm__ volatile (
"movaps %0, %%xmm0 \n\t"
"movaps %1, %%xmm1 \n\t"
"xorps %%xmm2, %%xmm2 \n\t"
"xorps %%xmm3, %%xmm3 \n\t"
"cmpleps %%xmm0, %%xmm2 \n\t" // m <= 0.0
"cmpleps %%xmm1, %%xmm3 \n\t" // a <= 0.0
"andps %%xmm5, %%xmm2 \n\t" // keep only the sign bit
"xorps %%xmm2, %%xmm1 \n\t"
"movaps %%xmm3, %%xmm4 \n\t"
"andps %%xmm1, %%xmm3 \n\t"
"andnps %%xmm1, %%xmm4 \n\t"
"addps %%xmm0, %%xmm3 \n\t" // a = m + ((a < 0) & (a ^ sign(m)))
"subps %%xmm4, %%xmm0 \n\t" // m = m + ((a > 0) & (a ^ sign(m)))
"movaps %%xmm3, %1 \n\t"
"movaps %%xmm0, %0 \n\t"
: "+m"(mag[i]), "+m"(ang[i])
:: "memory"
);
}
}
static void vector_clipf_sse(float *dst, const float *src,
float min, float max, int len)
{
@ -2238,8 +2179,6 @@ static void dsputil_init_3dnow(DSPContext *c, AVCodecContext *avctx,
c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_exact_3dnow;
c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_exact_3dnow;
}
c->vorbis_inverse_coupling = vorbis_inverse_coupling_3dnow;
#endif /* HAVE_INLINE_ASM */
#if HAVE_YASM
@ -2263,8 +2202,6 @@ static void dsputil_init_sse(DSPContext *c, AVCodecContext *avctx, int mm_flags)
}
}
c->vorbis_inverse_coupling = vorbis_inverse_coupling_sse;
c->vector_clipf = vector_clipf_sse;
#endif /* HAVE_INLINE_ASM */

101
libavcodec/x86/vorbisdsp_init.c Normal file
View File

@ -0,0 +1,101 @@
/*
* Copyright (C) 2006 Loren Merritt <lorenm@u.washington.edu>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "libavutil/cpu.h"
#include "libavcodec/vorbisdsp.h"
#include "dsputil_mmx.h" // for ff_pdw_80000000
#if HAVE_INLINE_ASM
#if ARCH_X86_32
static void vorbis_inverse_coupling_3dnow(float *mag, float *ang, int blocksize)
{
int i;
__asm__ volatile ("pxor %%mm7, %%mm7":);
for (i = 0; i < blocksize; i += 2) {
__asm__ volatile (
"movq %0, %%mm0 \n\t"
"movq %1, %%mm1 \n\t"
"movq %%mm0, %%mm2 \n\t"
"movq %%mm1, %%mm3 \n\t"
"pfcmpge %%mm7, %%mm2 \n\t" // m <= 0.0
"pfcmpge %%mm7, %%mm3 \n\t" // a <= 0.0
"pslld $31, %%mm2 \n\t" // keep only the sign bit
"pxor %%mm2, %%mm1 \n\t"
"movq %%mm3, %%mm4 \n\t"
"pand %%mm1, %%mm3 \n\t"
"pandn %%mm1, %%mm4 \n\t"
"pfadd %%mm0, %%mm3 \n\t" // a = m + ((a < 0) & (a ^ sign(m)))
"pfsub %%mm4, %%mm0 \n\t" // m = m + ((a > 0) & (a ^ sign(m)))
"movq %%mm3, %1 \n\t"
"movq %%mm0, %0 \n\t"
: "+m"(mag[i]), "+m"(ang[i])
:: "memory"
);
}
__asm__ volatile ("femms");
}
#endif
static void vorbis_inverse_coupling_sse(float *mag, float *ang, int blocksize)
{
int i;
__asm__ volatile (
"movaps %0, %%xmm5 \n\t"
:: "m"(ff_pdw_80000000[0])
);
for (i = 0; i < blocksize; i += 4) {
__asm__ volatile (
"movaps %0, %%xmm0 \n\t"
"movaps %1, %%xmm1 \n\t"
"xorps %%xmm2, %%xmm2 \n\t"
"xorps %%xmm3, %%xmm3 \n\t"
"cmpleps %%xmm0, %%xmm2 \n\t" // m <= 0.0
"cmpleps %%xmm1, %%xmm3 \n\t" // a <= 0.0
"andps %%xmm5, %%xmm2 \n\t" // keep only the sign bit
"xorps %%xmm2, %%xmm1 \n\t"
"movaps %%xmm3, %%xmm4 \n\t"
"andps %%xmm1, %%xmm3 \n\t"
"andnps %%xmm1, %%xmm4 \n\t"
"addps %%xmm0, %%xmm3 \n\t" // a = m + ((a < 0) & (a ^ sign(m)))
"subps %%xmm4, %%xmm0 \n\t" // m = m + ((a > 0) & (a ^ sign(m)))
"movaps %%xmm3, %1 \n\t"
"movaps %%xmm0, %0 \n\t"
: "+m"(mag[i]), "+m"(ang[i])
:: "memory"
);
}
}
#endif
void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp)
{
#if HAVE_INLINE_ASM
int mm_flags = av_get_cpu_flags();
#if ARCH_X86_32
if (mm_flags & AV_CPU_FLAG_3DNOW)
dsp->vorbis_inverse_coupling = vorbis_inverse_coupling_3dnow;
#endif /* ARCH_X86_32 */
if (mm_flags & AV_CPU_FLAG_SSE)
dsp->vorbis_inverse_coupling = vorbis_inverse_coupling_sse;
#endif /* HAVE_INLINE_ASM */
}