mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-07 11:13:41 +02:00
a8592db9bb
This reduces code duplication and differences with the fork. Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
97 lines
3.3 KiB
C
97 lines
3.3 KiB
C
/*
|
|
* ARM-optimized IDCT functions
|
|
* Copyright (c) 2001 Lionel Ulmer
|
|
*
|
|
* 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 <stdint.h>
|
|
|
|
#include "libavutil/attributes.h"
|
|
#include "libavutil/cpu.h"
|
|
#include "libavutil/arm/cpu.h"
|
|
#include "libavcodec/avcodec.h"
|
|
#include "libavcodec/idctdsp.h"
|
|
#include "idct.h"
|
|
#include "idctdsp_arm.h"
|
|
|
|
/* XXX: local hack */
|
|
static void (*put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
|
|
static void (*add_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
|
|
|
|
void ff_add_pixels_clamped_arm(const int16_t *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, int16_t *block)
|
|
{
|
|
ff_j_rev_dct_arm(block);
|
|
put_pixels_clamped(block, dest, line_size);
|
|
}
|
|
|
|
static void j_rev_dct_arm_add(uint8_t *dest, int line_size, int16_t *block)
|
|
{
|
|
ff_j_rev_dct_arm(block);
|
|
add_pixels_clamped(block, dest, line_size);
|
|
}
|
|
|
|
static void simple_idct_arm_put(uint8_t *dest, int line_size, int16_t *block)
|
|
{
|
|
ff_simple_idct_arm(block);
|
|
put_pixels_clamped(block, dest, line_size);
|
|
}
|
|
|
|
static void simple_idct_arm_add(uint8_t *dest, int line_size, int16_t *block)
|
|
{
|
|
ff_simple_idct_arm(block);
|
|
add_pixels_clamped(block, dest, line_size);
|
|
}
|
|
|
|
av_cold void ff_idctdsp_init_arm(IDCTDSPContext *c, AVCodecContext *avctx,
|
|
unsigned high_bit_depth)
|
|
{
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
put_pixels_clamped = c->put_pixels_clamped;
|
|
add_pixels_clamped = c->add_pixels_clamped;
|
|
|
|
if (!avctx->lowres && !high_bit_depth) {
|
|
if ((avctx->idct_algo == FF_IDCT_AUTO && !(avctx->flags & CODEC_FLAG_BITEXACT)) ||
|
|
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->perm_type = FF_IDCT_PERM_LIBMPEG2;
|
|
} 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->perm_type = FF_IDCT_PERM_NONE;
|
|
}
|
|
}
|
|
|
|
c->add_pixels_clamped = ff_add_pixels_clamped_arm;
|
|
|
|
if (have_armv5te(cpu_flags))
|
|
ff_idctdsp_init_armv5te(c, avctx, high_bit_depth);
|
|
if (have_armv6(cpu_flags))
|
|
ff_idctdsp_init_armv6(c, avctx, high_bit_depth);
|
|
if (have_neon(cpu_flags))
|
|
ff_idctdsp_init_neon(c, avctx, high_bit_depth);
|
|
}
|