forked from FFmpeg/FFmpeg
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge commit 'eecd29b3fd7fee221580798346d6582b75c7ade4'
* commit 'eecd29b3fd7fee221580798346d6582b75c7ade4': ppc: vsx: Implement float_dsp Conflicts: libavutil/ppc/float_dsp_init.c Merged-by: Michael Niedermayer <[email protected]>
- Loading branch information
Showing
5 changed files
with
174 additions
and
7 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,117 @@ | ||
/* | ||
* Copyright (c) 2015 Luca Barbato <[email protected]> | ||
* | ||
* This file is part of FFmpeg. | ||
* | ||
* FFmpeg 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. | ||
* | ||
* FFmpeg 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 FFmpeg; 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); | ||
} | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,38 @@ | ||
/* | ||
* Copyright (c) 2015 Luca Barbato <[email protected]> | ||
* | ||
* This file is part of FFmpeg. | ||
* | ||
* FFmpeg 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. | ||
* | ||
* FFmpeg 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 FFmpeg; 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 */ |