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libavcodec
arm
dsputil_init_arm.c
Go to the documentation of this file.
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/*
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* ARM optimized DSP utils
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* Copyright (c) 2001 Lionel Ulmer
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "
libavcodec/dsputil.h
"
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#include "
dsputil_arm.h
"
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void
ff_j_rev_dct_arm
(
DCTELEM
*
data
);
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void
ff_simple_idct_arm
(
DCTELEM
*
data
);
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/* XXX: local hack */
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static
void
(*
ff_put_pixels_clamped
)(
const
DCTELEM
*
block
, uint8_t *pixels,
int
line_size);
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static
void
(*
ff_add_pixels_clamped
)(
const
DCTELEM
*
block
, uint8_t *pixels,
int
line_size);
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void
ff_put_pixels8_arm
(uint8_t *
block
,
const
uint8_t *pixels,
int
line_size,
int
h);
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void
ff_put_pixels8_x2_arm
(uint8_t *
block
,
const
uint8_t *pixels,
int
line_size,
int
h);
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void
ff_put_pixels8_y2_arm
(uint8_t *
block
,
const
uint8_t *pixels,
int
line_size,
int
h);
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void
ff_put_pixels8_xy2_arm
(uint8_t *
block
,
const
uint8_t *pixels,
int
line_size,
int
h);
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void
ff_put_no_rnd_pixels8_x2_arm
(uint8_t *
block
,
const
uint8_t *pixels,
int
line_size,
int
h);
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void
ff_put_no_rnd_pixels8_y2_arm
(uint8_t *
block
,
const
uint8_t *pixels,
int
line_size,
int
h);
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void
ff_put_no_rnd_pixels8_xy2_arm
(uint8_t *
block
,
const
uint8_t *pixels,
int
line_size,
int
h);
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void
ff_put_pixels16_arm
(uint8_t *
block
,
const
uint8_t *pixels,
int
line_size,
int
h);
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CALL_2X_PIXELS
(ff_put_pixels16_x2_arm,
ff_put_pixels8_x2_arm
, 8)
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CALL_2X_PIXELS
(ff_put_pixels16_y2_arm,
ff_put_pixels8_y2_arm
, 8)
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CALL_2X_PIXELS
(ff_put_pixels16_xy2_arm,
ff_put_pixels8_xy2_arm
, 8)
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CALL_2X_PIXELS
(ff_put_no_rnd_pixels16_x2_arm,
ff_put_no_rnd_pixels8_x2_arm
, 8)
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CALL_2X_PIXELS
(ff_put_no_rnd_pixels16_y2_arm,
ff_put_no_rnd_pixels8_y2_arm
, 8)
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CALL_2X_PIXELS
(ff_put_no_rnd_pixels16_xy2_arm,
ff_put_no_rnd_pixels8_xy2_arm
,8)
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void
ff_add_pixels_clamped_arm
(const
DCTELEM
*
block
, uint8_t *dest,
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int
line_size);
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/* XXX: those functions should be suppressed ASAP when all IDCTs are
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converted */
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static
void
j_rev_dct_arm_put
(uint8_t *dest,
int
line_size,
DCTELEM
*block)
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{
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ff_j_rev_dct_arm
(block);
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ff_put_pixels_clamped
(block, dest, line_size);
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}
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static
void
j_rev_dct_arm_add
(uint8_t *dest,
int
line_size,
DCTELEM
*
block
)
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{
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ff_j_rev_dct_arm
(block);
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ff_add_pixels_clamped
(block, dest, line_size);
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}
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static
void
simple_idct_arm_put
(uint8_t *dest,
int
line_size,
DCTELEM
*
block
)
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{
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ff_simple_idct_arm
(block);
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ff_put_pixels_clamped
(block, dest, line_size);
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}
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static
void
simple_idct_arm_add
(uint8_t *dest,
int
line_size,
DCTELEM
*
block
)
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{
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ff_simple_idct_arm
(block);
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ff_add_pixels_clamped
(block, dest, line_size);
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}
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void
dsputil_init_arm
(
DSPContext
* c,
AVCodecContext
*avctx)
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{
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const
int
high_bit_depth = avctx->
bits_per_raw_sample
> 8;
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ff_put_pixels_clamped
= c->
put_pixels_clamped
;
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ff_add_pixels_clamped
= c->
add_pixels_clamped
;
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if
(!avctx->
lowres
&& avctx->
bits_per_raw_sample
<= 8) {
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if
(avctx->
idct_algo
==
FF_IDCT_AUTO
||
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avctx->
idct_algo
==
FF_IDCT_ARM
){
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c->
idct_put
=
j_rev_dct_arm_put
;
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c->
idct_add
=
j_rev_dct_arm_add
;
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c->
idct
=
ff_j_rev_dct_arm
;
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c->
idct_permutation_type
=
FF_LIBMPEG2_IDCT_PERM
;
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}
else
if
(avctx->
idct_algo
==
FF_IDCT_SIMPLEARM
){
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c->
idct_put
=
simple_idct_arm_put
;
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c->
idct_add
=
simple_idct_arm_add
;
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c->
idct
=
ff_simple_idct_arm
;
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c->
idct_permutation_type
=
FF_NO_IDCT_PERM
;
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}
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}
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c->
add_pixels_clamped
=
ff_add_pixels_clamped_arm
;
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if
(!high_bit_depth) {
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c->
put_pixels_tab
[0][0] =
ff_put_pixels16_arm
;
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c->
put_pixels_tab
[0][1] = ff_put_pixels16_x2_arm;
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c->
put_pixels_tab
[0][2] = ff_put_pixels16_y2_arm;
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c->
put_pixels_tab
[0][3] = ff_put_pixels16_xy2_arm;
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c->
put_pixels_tab
[1][0] =
ff_put_pixels8_arm
;
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c->
put_pixels_tab
[1][1] =
ff_put_pixels8_x2_arm
;
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c->
put_pixels_tab
[1][2] =
ff_put_pixels8_y2_arm
;
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c->
put_pixels_tab
[1][3] =
ff_put_pixels8_xy2_arm
;
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c->
put_no_rnd_pixels_tab
[0][0] =
ff_put_pixels16_arm
;
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c->
put_no_rnd_pixels_tab
[0][1] = ff_put_no_rnd_pixels16_x2_arm;
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c->
put_no_rnd_pixels_tab
[0][2] = ff_put_no_rnd_pixels16_y2_arm;
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c->
put_no_rnd_pixels_tab
[0][3] = ff_put_no_rnd_pixels16_xy2_arm;
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c->
put_no_rnd_pixels_tab
[1][0] =
ff_put_pixels8_arm
;
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c->
put_no_rnd_pixels_tab
[1][1] =
ff_put_no_rnd_pixels8_x2_arm
;
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c->
put_no_rnd_pixels_tab
[1][2] =
ff_put_no_rnd_pixels8_y2_arm
;
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c->
put_no_rnd_pixels_tab
[1][3] =
ff_put_no_rnd_pixels8_xy2_arm
;
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}
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if
(
HAVE_ARMV5TE
)
ff_dsputil_init_armv5te
(c, avctx);
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if
(
HAVE_ARMV6
)
ff_dsputil_init_armv6
(c, avctx);
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if
(
HAVE_IWMMXT
)
ff_dsputil_init_iwmmxt
(c, avctx);
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if
(
HAVE_ARMVFP
)
ff_dsputil_init_vfp
(c, avctx);
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if
(
HAVE_NEON
)
ff_dsputil_init_neon
(c, avctx);
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}