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git-svn-id: svn://kolibrios.org@4349 a494cfbc-eb01-0410-851d-a64ba20cac60
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Sergey Semyonov (Serge)
2013-12-15 08:09:20 +00:00
parent 6c6781f799
commit 754f9336f0
5801 changed files with 1688660 additions and 0 deletions
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contrib/sdk/sources/ffmpeg/libavcodec/arm/dsputil_init_arm.c Normal file
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/*
* ARM optimized DSP utils
* 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 "libavutil/attributes.h"
#include "libavutil/arm/cpu.h"
#include "dsputil_arm.h"
void ff_j_rev_dct_arm(int16_t *data);
void ff_simple_idct_arm(int16_t *data);
/* XXX: local hack */
static void (*ff_put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
static void (*ff_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);
ff_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);
ff_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);
ff_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);
ff_add_pixels_clamped(block, dest, line_size);
}
av_cold void ff_dsputil_init_arm(DSPContext *c, AVCodecContext *avctx)
{
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->lowres && 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 (have_armv5te(cpu_flags)) ff_dsputil_init_armv5te(c, avctx);
if (have_armv6(cpu_flags)) ff_dsputil_init_armv6(c, avctx);
if (have_neon(cpu_flags)) ff_dsputil_init_neon(c, avctx);
}