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submodule
ffmpeg
Commits
eecd29b3
Commit
eecd29b3
authored
May 11, 2015
by
Luca Barbato
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ppc: vsx: Implement float_dsp
parent
7d07ee5a
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5 changed files
with
175 additions
and
9 deletions
+175
-9
arch.mak
arch.mak
+1
-0
Makefile
libavutil/ppc/Makefile
+2
-0
float_dsp_init.c
libavutil/ppc/float_dsp_init.c
+17
-9
float_dsp_vsx.c
libavutil/ppc/float_dsp_vsx.c
+117
-0
float_dsp_vsx.h
libavutil/ppc/float_dsp_vsx.h
+38
-0
No files found.
arch.mak
View file @
eecd29b3
...
@@ -5,6 +5,7 @@ OBJS-$(HAVE_VFP) += $(VFP-OBJS) $(VFP-OBJS-yes)
...
@@ -5,6 +5,7 @@ OBJS-$(HAVE_VFP) += $(VFP-OBJS) $(VFP-OBJS-yes)
OBJS-$(HAVE_NEON) += $(NEON-OBJS) $(NEON-OBJS-yes)
OBJS-$(HAVE_NEON) += $(NEON-OBJS) $(NEON-OBJS-yes)
OBJS-$(HAVE_ALTIVEC) += $(ALTIVEC-OBJS) $(ALTIVEC-OBJS-yes)
OBJS-$(HAVE_ALTIVEC) += $(ALTIVEC-OBJS) $(ALTIVEC-OBJS-yes)
OBJS-$(HAVE_VSX) += $(VSX-OBJS) $(VSX-OBJS-yes)
OBJS-$(HAVE_MMX) += $(MMX-OBJS) $(MMX-OBJS-yes)
OBJS-$(HAVE_MMX) += $(MMX-OBJS) $(MMX-OBJS-yes)
OBJS-$(HAVE_YASM) += $(YASM-OBJS) $(YASM-OBJS-yes)
OBJS-$(HAVE_YASM) += $(YASM-OBJS) $(YASM-OBJS-yes)
libavutil/ppc/Makefile
View file @
eecd29b3
...
@@ -2,3 +2,5 @@ OBJS += ppc/cpu.o \
...
@@ -2,3 +2,5 @@ OBJS += ppc/cpu.o \
ppc/float_dsp_init.o
\
ppc/float_dsp_init.o
\
ALTIVEC-OBJS
+=
ppc/float_dsp_altivec.o
\
ALTIVEC-OBJS
+=
ppc/float_dsp_altivec.o
\
VSX-OBJS
+=
ppc/float_dsp_vsx.o
\
libavutil/ppc/float_dsp_init.c
View file @
eecd29b3
...
@@ -24,18 +24,26 @@
...
@@ -24,18 +24,26 @@
#include "libavutil/float_dsp.h"
#include "libavutil/float_dsp.h"
#include "libavutil/ppc/cpu.h"
#include "libavutil/ppc/cpu.h"
#include "float_dsp_altivec.h"
#include "float_dsp_altivec.h"
#include "float_dsp_vsx.h"
av_cold
void
ff_float_dsp_init_ppc
(
AVFloatDSPContext
*
fdsp
,
int
bit_exact
)
av_cold
void
ff_float_dsp_init_ppc
(
AVFloatDSPContext
*
fdsp
,
int
bit_exact
)
{
{
if
(
!
PPC_ALTIVEC
(
av_get_cpu_flags
()))
if
(
HAVE_BIGENDIAN
&&
PPC_ALTIVEC
(
av_get_cpu_flags
()))
{
return
;
fdsp
->
vector_fmul
=
ff_vector_fmul_altivec
;
#if HAVE_BIGENDIAN
fdsp
->
vector_fmul_add
=
ff_vector_fmul_add_altivec
;
fdsp
->
vector_fmul
=
ff_vector_fmul_altivec
;
fdsp
->
vector_fmul_reverse
=
ff_vector_fmul_reverse_altivec
;
fdsp
->
vector_fmul_add
=
ff_vector_fmul_add_altivec
;
fdsp
->
vector_fmul_reverse
=
ff_vector_fmul_reverse_altivec
;
if
(
!
bit_exact
)
{
if
(
!
bit_exact
)
{
fdsp
->
vector_fmul_window
=
ff_vector_fmul_window_altivec
;
fdsp
->
vector_fmul_window
=
ff_vector_fmul_window_altivec
;
}
}
if
(
PPC_VSX
(
av_get_cpu_flags
()))
{
fdsp
->
vector_fmul
=
ff_vector_fmul_vsx
;
fdsp
->
vector_fmul_add
=
ff_vector_fmul_add_vsx
;
fdsp
->
vector_fmul_reverse
=
ff_vector_fmul_reverse_vsx
;
if
(
!
bit_exact
)
{
fdsp
->
vector_fmul_window
=
ff_vector_fmul_window_vsx
;
}
}
}
#endif
}
}
libavutil/ppc/float_dsp_vsx.c
0 → 100644
View file @
eecd29b3
/*
* Copyright (c) 2015 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 "util_altivec.h"
#include "float_dsp_vsx.h"
void
ff_vector_fmul_vsx
(
float
*
dst
,
const
float
*
src0
,
const
float
*
src1
,
int
len
)
{
int
i
;
vec_f
d0
,
d1
,
zero
=
(
vec_f
)
vec_splat_u32
(
0
);
for
(
i
=
0
;
i
<
len
-
7
;
i
+=
8
)
{
d0
=
vec_vsx_ld
(
0
,
src0
+
i
);
d1
=
vec_vsx_ld
(
16
,
src0
+
i
);
d0
=
vec_madd
(
d0
,
vec_vsx_ld
(
0
,
src1
+
i
),
zero
);
d1
=
vec_madd
(
d1
,
vec_vsx_ld
(
16
,
src1
+
i
),
zero
);
vec_vsx_st
(
d0
,
0
,
dst
+
i
);
vec_vsx_st
(
d1
,
16
,
dst
+
i
);
}
}
void
ff_vector_fmul_window_vsx
(
float
*
dst
,
const
float
*
src0
,
const
float
*
src1
,
const
float
*
win
,
int
len
)
{
vec_f
zero
,
t0
,
t1
,
s0
,
s1
,
wi
,
wj
;
const
vec_u8
reverse
=
vcprm
(
3
,
2
,
1
,
0
);
int
i
,
j
;
dst
+=
len
;
win
+=
len
;
src0
+=
len
;
zero
=
(
vec_f
)
vec_splat_u32
(
0
);
for
(
i
=
-
len
*
4
,
j
=
len
*
4
-
16
;
i
<
0
;
i
+=
16
,
j
-=
16
)
{
s0
=
vec_vsx_ld
(
i
,
src0
);
s1
=
vec_vsx_ld
(
j
,
src1
);
wi
=
vec_vsx_ld
(
i
,
win
);
wj
=
vec_vsx_ld
(
j
,
win
);
s1
=
vec_perm
(
s1
,
s1
,
reverse
);
wj
=
vec_perm
(
wj
,
wj
,
reverse
);
t0
=
vec_madd
(
s0
,
wj
,
zero
);
t0
=
vec_nmsub
(
s1
,
wi
,
t0
);
t1
=
vec_madd
(
s0
,
wi
,
zero
);
t1
=
vec_madd
(
s1
,
wj
,
t1
);
t1
=
vec_perm
(
t1
,
t1
,
reverse
);
vec_vsx_st
(
t0
,
i
,
dst
);
vec_vsx_st
(
t1
,
j
,
dst
);
}
}
void
ff_vector_fmul_add_vsx
(
float
*
dst
,
const
float
*
src0
,
const
float
*
src1
,
const
float
*
src2
,
int
len
)
{
int
i
;
vec_f
d
,
s0
,
s1
,
s2
;
for
(
i
=
0
;
i
<
len
-
3
;
i
+=
4
)
{
s0
=
vec_vsx_ld
(
0
,
src0
+
i
);
s1
=
vec_vsx_ld
(
0
,
src1
+
i
);
s2
=
vec_vsx_ld
(
0
,
src2
+
i
);
d
=
vec_madd
(
s0
,
s1
,
s2
);
vec_vsx_st
(
d
,
0
,
dst
+
i
);
}
}
void
ff_vector_fmul_reverse_vsx
(
float
*
dst
,
const
float
*
src0
,
const
float
*
src1
,
int
len
)
{
int
i
;
vec_f
d
,
s0
,
s1
,
h0
,
l0
,
s2
,
s3
;
vec_f
zero
=
(
vec_f
)
vec_splat_u32
(
0
);
src1
+=
len
-
4
;
for
(
i
=
0
;
i
<
len
-
7
;
i
+=
8
)
{
s1
=
vec_vsx_ld
(
0
,
src1
-
i
);
// [a,b,c,d]
s0
=
vec_vsx_ld
(
0
,
src0
+
i
);
l0
=
vec_mergel
(
s1
,
s1
);
// [c,c,d,d]
s3
=
vec_vsx_ld
(
-
16
,
src1
-
i
);
h0
=
vec_mergeh
(
s1
,
s1
);
// [a,a,b,b]
s2
=
vec_vsx_ld
(
16
,
src0
+
i
);
s1
=
vec_mergeh
(
vec_mergel
(
l0
,
h0
),
// [d,b,d,b]
vec_mergeh
(
l0
,
h0
));
// [c,a,c,a]
// [d,c,b,a]
l0
=
vec_mergel
(
s3
,
s3
);
d
=
vec_madd
(
s0
,
s1
,
zero
);
h0
=
vec_mergeh
(
s3
,
s3
);
vec_vsx_st
(
d
,
0
,
dst
+
i
);
s3
=
vec_mergeh
(
vec_mergel
(
l0
,
h0
),
vec_mergeh
(
l0
,
h0
));
d
=
vec_madd
(
s2
,
s3
,
zero
);
vec_vsx_st
(
d
,
16
,
dst
+
i
);
}
}
libavutil/ppc/float_dsp_vsx.h
0 → 100644
View file @
eecd29b3
/*
* Copyright (c) 2015 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
*/
#ifndef AVUTIL_PPC_FLOAT_DSP_VSX_H
#define AVUTIL_PPC_FLOAT_DSP_VSX_H
void
ff_vector_fmul_vsx
(
float
*
dst
,
const
float
*
src0
,
const
float
*
src1
,
int
len
);
void
ff_vector_fmul_window_vsx
(
float
*
dst
,
const
float
*
src0
,
const
float
*
src1
,
const
float
*
win
,
int
len
);
void
ff_vector_fmul_add_vsx
(
float
*
dst
,
const
float
*
src0
,
const
float
*
src1
,
const
float
*
src2
,
int
len
);
void
ff_vector_fmul_reverse_vsx
(
float
*
dst
,
const
float
*
src0
,
const
float
*
src1
,
int
len
);
#endif
/* AVUTIL_PPC_FLOAT_DSP_VSX_H */
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