FFmpeg/libavcodec/arm/dsputil_init_arm.c
Mans Rullgard d526c5338d ARM: allow runtime masking of CPU features
This allows masking CPU features with the -cpuflags avconv option
which is useful for testing different optimisations without rebuilding.

Signed-off-by: Mans Rullgard <mans@mansr.com>
2012-04-22 12:30:45 +01:00

127 lines
5.4 KiB
C

/*
* ARM optimized DSP utils
* Copyright (c) 2001 Lionel Ulmer
*
* 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/cpu.h"
#include "libavcodec/dsputil.h"
#include "dsputil_arm.h"
void ff_j_rev_dct_arm(DCTELEM *data);
void ff_simple_idct_arm(DCTELEM *data);
/* XXX: local hack */
static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
void ff_put_pixels8_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void ff_put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void ff_put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void ff_put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void ff_put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void ff_put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void ff_put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
void ff_put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
CALL_2X_PIXELS(ff_put_pixels16_x2_arm, ff_put_pixels8_x2_arm, 8)
CALL_2X_PIXELS(ff_put_pixels16_y2_arm, ff_put_pixels8_y2_arm, 8)
CALL_2X_PIXELS(ff_put_pixels16_xy2_arm, ff_put_pixels8_xy2_arm, 8)
CALL_2X_PIXELS(ff_put_no_rnd_pixels16_x2_arm, ff_put_no_rnd_pixels8_x2_arm, 8)
CALL_2X_PIXELS(ff_put_no_rnd_pixels16_y2_arm, ff_put_no_rnd_pixels8_y2_arm, 8)
CALL_2X_PIXELS(ff_put_no_rnd_pixels16_xy2_arm, ff_put_no_rnd_pixels8_xy2_arm,8)
void ff_add_pixels_clamped_arm(const DCTELEM *block, uint8_t *dest,
int line_size);
/* XXX: those functions should be suppressed ASAP when all IDCTs are
converted */
static void j_rev_dct_arm_put(uint8_t *dest, int line_size, DCTELEM *block)
{
ff_j_rev_dct_arm (block);
ff_put_pixels_clamped(block, dest, line_size);
}
static void j_rev_dct_arm_add(uint8_t *dest, int line_size, DCTELEM *block)
{
ff_j_rev_dct_arm (block);
ff_add_pixels_clamped(block, dest, line_size);
}
static void simple_idct_arm_put(uint8_t *dest, int line_size, DCTELEM *block)
{
ff_simple_idct_arm (block);
ff_put_pixels_clamped(block, dest, line_size);
}
static void simple_idct_arm_add(uint8_t *dest, int line_size, DCTELEM *block)
{
ff_simple_idct_arm (block);
ff_add_pixels_clamped(block, dest, line_size);
}
void ff_dsputil_init_arm(DSPContext* c, AVCodecContext *avctx)
{
const int high_bit_depth = avctx->bits_per_raw_sample > 8;
int cpu_flags = av_get_cpu_flags();
ff_put_pixels_clamped = c->put_pixels_clamped;
ff_add_pixels_clamped = c->add_pixels_clamped;
if (avctx->bits_per_raw_sample <= 8) {
if(avctx->idct_algo == FF_IDCT_AUTO ||
avctx->idct_algo == FF_IDCT_ARM){
c->idct_put = j_rev_dct_arm_put;
c->idct_add = j_rev_dct_arm_add;
c->idct = ff_j_rev_dct_arm;
c->idct_permutation_type = FF_LIBMPEG2_IDCT_PERM;
} else if (avctx->idct_algo == FF_IDCT_SIMPLEARM){
c->idct_put = simple_idct_arm_put;
c->idct_add = simple_idct_arm_add;
c->idct = ff_simple_idct_arm;
c->idct_permutation_type = FF_NO_IDCT_PERM;
}
}
c->add_pixels_clamped = ff_add_pixels_clamped_arm;
if (!high_bit_depth) {
c->put_pixels_tab[0][0] = ff_put_pixels16_arm;
c->put_pixels_tab[0][1] = ff_put_pixels16_x2_arm;
c->put_pixels_tab[0][2] = ff_put_pixels16_y2_arm;
c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_arm;
c->put_pixels_tab[1][0] = ff_put_pixels8_arm;
c->put_pixels_tab[1][1] = ff_put_pixels8_x2_arm;
c->put_pixels_tab[1][2] = ff_put_pixels8_y2_arm;
c->put_pixels_tab[1][3] = ff_put_pixels8_xy2_arm;
c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_arm;
c->put_no_rnd_pixels_tab[0][1] = ff_put_no_rnd_pixels16_x2_arm;
c->put_no_rnd_pixels_tab[0][2] = ff_put_no_rnd_pixels16_y2_arm;
c->put_no_rnd_pixels_tab[0][3] = ff_put_no_rnd_pixels16_xy2_arm;
c->put_no_rnd_pixels_tab[1][0] = ff_put_pixels8_arm;
c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_arm;
c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_arm;
c->put_no_rnd_pixels_tab[1][3] = ff_put_no_rnd_pixels8_xy2_arm;
}
if (have_armv5te(cpu_flags)) ff_dsputil_init_armv5te(c, avctx);
if (have_armv6(cpu_flags)) ff_dsputil_init_armv6(c, avctx);
if (have_vfp(cpu_flags)) ff_dsputil_init_vfp(c, avctx);
if (have_neon(cpu_flags)) ff_dsputil_init_neon(c, avctx);
}