mirror of https://git.ffmpeg.org/ffmpeg.git
87 lines
3.2 KiB
C
87 lines
3.2 KiB
C
/*
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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 FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 "libavutil/attributes.h"
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#include "libavutil/arm/cpu.h"
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#include "dsputil_arm.h"
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void ff_j_rev_dct_arm(int16_t *data);
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void ff_simple_idct_arm(int16_t *data);
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/* XXX: local hack */
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static void (*ff_put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
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static void (*ff_add_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
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void ff_add_pixels_clamped_arm(const int16_t *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, int16_t *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, int16_t *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, int16_t *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, int16_t *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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av_cold void ff_dsputil_init_arm(DSPContext *c, AVCodecContext *avctx)
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{
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int cpu_flags = av_get_cpu_flags();
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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 (have_armv5te(cpu_flags)) ff_dsputil_init_armv5te(c, avctx);
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if (have_armv6(cpu_flags)) ff_dsputil_init_armv6(c, avctx);
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if (have_neon(cpu_flags)) ff_dsputil_init_neon(c, avctx);
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}
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