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70d54392f5
The new lowres support is limited to decoders where lowres decoding is possible in high quality. I was not able to measure any speed difference, but if one is found the 2-3 lines that might affect speed can be made compile time conditional Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
128 lines
5.1 KiB
C
128 lines
5.1 KiB
C
/*
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* Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
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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 <stdint.h>
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#include "libavcodec/avcodec.h"
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#include "libavcodec/dsputil.h"
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#include "dsputil_arm.h"
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void ff_simple_idct_armv6(DCTELEM *data);
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void ff_simple_idct_put_armv6(uint8_t *dest, int line_size, DCTELEM *data);
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void ff_simple_idct_add_armv6(uint8_t *dest, int line_size, DCTELEM *data);
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void ff_put_pixels16_armv6(uint8_t *, const uint8_t *, int, int);
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void ff_put_pixels16_x2_armv6(uint8_t *, const uint8_t *, int, int);
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void ff_put_pixels16_y2_armv6(uint8_t *, const uint8_t *, int, int);
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void ff_put_pixels16_x2_no_rnd_armv6(uint8_t *, const uint8_t *, int, int);
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void ff_put_pixels16_y2_no_rnd_armv6(uint8_t *, const uint8_t *, int, int);
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void ff_avg_pixels16_armv6(uint8_t *, const uint8_t *, int, int);
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void ff_put_pixels8_armv6(uint8_t *, const uint8_t *, int, int);
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void ff_put_pixels8_x2_armv6(uint8_t *, const uint8_t *, int, int);
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void ff_put_pixels8_y2_armv6(uint8_t *, const uint8_t *, int, int);
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void ff_put_pixels8_x2_no_rnd_armv6(uint8_t *, const uint8_t *, int, int);
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void ff_put_pixels8_y2_no_rnd_armv6(uint8_t *, const uint8_t *, int, int);
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void ff_avg_pixels8_armv6(uint8_t *, const uint8_t *, int, int);
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void ff_add_pixels_clamped_armv6(const DCTELEM *block,
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uint8_t *restrict pixels,
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int line_size);
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void ff_get_pixels_armv6(DCTELEM *block, const uint8_t *pixels, int stride);
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void ff_diff_pixels_armv6(DCTELEM *block, const uint8_t *s1,
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const uint8_t *s2, int stride);
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int ff_pix_abs16_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h);
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int ff_pix_abs16_x2_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h);
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int ff_pix_abs16_y2_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h);
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int ff_pix_abs8_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h);
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int ff_sse16_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h);
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int ff_pix_norm1_armv6(uint8_t *pix, int line_size);
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int ff_pix_sum_armv6(uint8_t *pix, int line_size);
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av_cold void ff_dsputil_init_armv6(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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if (!avctx->lowres && avctx->bits_per_raw_sample <= 8 &&
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(avctx->idct_algo == FF_IDCT_AUTO ||
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avctx->idct_algo == FF_IDCT_SIMPLEARMV6)) {
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c->idct_put = ff_simple_idct_put_armv6;
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c->idct_add = ff_simple_idct_add_armv6;
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c->idct = ff_simple_idct_armv6;
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c->idct_permutation_type = FF_LIBMPEG2_IDCT_PERM;
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}
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if (!high_bit_depth) {
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c->put_pixels_tab[0][0] = ff_put_pixels16_armv6;
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c->put_pixels_tab[0][1] = ff_put_pixels16_x2_armv6;
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c->put_pixels_tab[0][2] = ff_put_pixels16_y2_armv6;
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/* c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_armv6; */
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c->put_pixels_tab[1][0] = ff_put_pixels8_armv6;
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c->put_pixels_tab[1][1] = ff_put_pixels8_x2_armv6;
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c->put_pixels_tab[1][2] = ff_put_pixels8_y2_armv6;
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/* c->put_pixels_tab[1][3] = ff_put_pixels8_xy2_armv6; */
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c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_armv6;
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c->put_no_rnd_pixels_tab[0][1] = ff_put_pixels16_x2_no_rnd_armv6;
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c->put_no_rnd_pixels_tab[0][2] = ff_put_pixels16_y2_no_rnd_armv6;
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/* c->put_no_rnd_pixels_tab[0][3] = ff_put_pixels16_xy2_no_rnd_armv6; */
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c->put_no_rnd_pixels_tab[1][0] = ff_put_pixels8_armv6;
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c->put_no_rnd_pixels_tab[1][1] = ff_put_pixels8_x2_no_rnd_armv6;
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c->put_no_rnd_pixels_tab[1][2] = ff_put_pixels8_y2_no_rnd_armv6;
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/* c->put_no_rnd_pixels_tab[1][3] = ff_put_pixels8_xy2_no_rnd_armv6; */
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c->avg_pixels_tab[0][0] = ff_avg_pixels16_armv6;
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c->avg_pixels_tab[1][0] = ff_avg_pixels8_armv6;
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}
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if (!high_bit_depth)
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c->get_pixels = ff_get_pixels_armv6;
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c->add_pixels_clamped = ff_add_pixels_clamped_armv6;
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c->diff_pixels = ff_diff_pixels_armv6;
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c->pix_abs[0][0] = ff_pix_abs16_armv6;
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c->pix_abs[0][1] = ff_pix_abs16_x2_armv6;
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c->pix_abs[0][2] = ff_pix_abs16_y2_armv6;
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c->pix_abs[1][0] = ff_pix_abs8_armv6;
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c->sad[0] = ff_pix_abs16_armv6;
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c->sad[1] = ff_pix_abs8_armv6;
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c->sse[0] = ff_sse16_armv6;
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c->pix_norm1 = ff_pix_norm1_armv6;
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c->pix_sum = ff_pix_sum_armv6;
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}
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