mirror of https://git.ffmpeg.org/ffmpeg.git
197 lines
6.6 KiB
C
197 lines
6.6 KiB
C
/*
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* BlackFin DSPUTILS
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*
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* Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
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* Copyright (c) 2006 Michael Benjamin <michael.benjamin@analog.com>
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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 "config.h"
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#include "libavutil/attributes.h"
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#include "libavutil/bfin/attributes.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/dsputil.h"
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void ff_bfin_idct(int16_t *block) attribute_l1_text;
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void ff_bfin_fdct(int16_t *block) attribute_l1_text;
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void ff_bfin_add_pixels_clamped(const int16_t *block, uint8_t *dest,
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int line_size) attribute_l1_text;
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void ff_bfin_put_pixels_clamped(const int16_t *block, uint8_t *dest,
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int line_size) attribute_l1_text;
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void ff_bfin_diff_pixels(int16_t *block, const uint8_t *s1, const uint8_t *s2,
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int stride) attribute_l1_text;
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void ff_bfin_get_pixels(int16_t *restrict block, const uint8_t *pixels,
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int line_size) attribute_l1_text;
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int ff_bfin_pix_norm1(uint8_t *pix, int line_size) attribute_l1_text;
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int ff_bfin_pix_sum(uint8_t *p, int stride) attribute_l1_text;
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int ff_bfin_z_sad8x8(uint8_t *blk1, uint8_t *blk2, int dsz,
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int line_size, int h) attribute_l1_text;
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int ff_bfin_z_sad16x16(uint8_t *blk1, uint8_t *blk2, int dsz,
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int line_size, int h) attribute_l1_text;
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int ff_bfin_sse4(void *v, uint8_t *pix1, uint8_t *pix2,
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int line_size, int h) attribute_l1_text;
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int ff_bfin_sse8(void *v, uint8_t *pix1, uint8_t *pix2,
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int line_size, int h) attribute_l1_text;
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int ff_bfin_sse16(void *v, uint8_t *pix1, uint8_t *pix2,
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int line_size, int h) attribute_l1_text;
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static void bfin_idct_add(uint8_t *dest, int line_size, int16_t *block)
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{
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ff_bfin_idct(block);
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ff_bfin_add_pixels_clamped(block, dest, line_size);
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}
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static void bfin_idct_put(uint8_t *dest, int line_size, int16_t *block)
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{
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ff_bfin_idct(block);
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ff_bfin_put_pixels_clamped(block, dest, line_size);
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}
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static void bfin_clear_blocks(int16_t *blocks)
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{
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// This is just a simple memset.
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__asm__ ("P0=192; "
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"I0=%0; "
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"R0=0; "
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"LSETUP(clear_blocks_blkfn_lab,clear_blocks_blkfn_lab)LC0=P0;"
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"clear_blocks_blkfn_lab:"
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"[I0++]=R0;"
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::"a" (blocks) : "P0", "I0", "R0");
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}
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static int bfin_pix_abs16(void *c, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h)
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{
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return ff_bfin_z_sad16x16(blk1, blk2, line_size, line_size, h);
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}
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static uint8_t vtmp_blk[256] attribute_l1_data_b;
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static int bfin_pix_abs16_x2(void *c, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h)
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{
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ff_bfin_put_pixels16uc(vtmp_blk, blk2, blk2 + 1, 16, line_size, h);
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return ff_bfin_z_sad16x16(blk1, vtmp_blk, line_size, 16, h);
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}
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static int bfin_pix_abs16_y2(void *c, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h)
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{
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ff_bfin_put_pixels16uc(vtmp_blk, blk2, blk2 + line_size, 16, line_size, h);
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return ff_bfin_z_sad16x16(blk1, vtmp_blk, line_size, 16, h);
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}
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static int bfin_pix_abs16_xy2(void *c, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h)
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{
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ff_bfin_z_put_pixels16_xy2(vtmp_blk, blk2, 16, line_size, h);
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return ff_bfin_z_sad16x16(blk1, vtmp_blk, line_size, 16, h);
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}
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static int bfin_pix_abs8(void *c, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h)
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{
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return ff_bfin_z_sad8x8(blk1, blk2, line_size, line_size, h);
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}
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static int bfin_pix_abs8_x2(void *c, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h)
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{
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ff_bfin_put_pixels8uc(vtmp_blk, blk2, blk2 + 1, 8, line_size, h);
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return ff_bfin_z_sad8x8(blk1, vtmp_blk, line_size, 8, h);
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}
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static int bfin_pix_abs8_y2(void *c, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h)
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{
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ff_bfin_put_pixels8uc(vtmp_blk, blk2, blk2 + line_size, 8, line_size, h);
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return ff_bfin_z_sad8x8(blk1, vtmp_blk, line_size, 8, h);
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}
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static int bfin_pix_abs8_xy2(void *c, uint8_t *blk1, uint8_t *blk2,
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int line_size, int h)
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{
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ff_bfin_z_put_pixels8_xy2(vtmp_blk, blk2, 8, line_size, h);
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return ff_bfin_z_sad8x8(blk1, vtmp_blk, line_size, 8, h);
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}
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/*
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* decoder optimization
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* start on 2/11 100 frames of 352x240@25 compiled with no optimization -g debugging
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* 9.824s ~ 2.44x off
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* 6.360s ~ 1.58x off with -O2
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* 5.740s ~ 1.43x off with idcts
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*
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* 2.64s 2/20 same sman.mp4 decode only
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*/
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av_cold void ff_dsputil_init_bfin(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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c->diff_pixels = ff_bfin_diff_pixels;
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c->put_pixels_clamped = ff_bfin_put_pixels_clamped;
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c->add_pixels_clamped = ff_bfin_add_pixels_clamped;
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if (!high_bit_depth)
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c->get_pixels = ff_bfin_get_pixels;
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c->clear_blocks = bfin_clear_blocks;
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c->pix_sum = ff_bfin_pix_sum;
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c->pix_norm1 = ff_bfin_pix_norm1;
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c->sad[0] = bfin_pix_abs16;
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c->sad[1] = bfin_pix_abs8;
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/* TODO [0] 16 [1] 8 */
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c->pix_abs[0][0] = bfin_pix_abs16;
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c->pix_abs[0][1] = bfin_pix_abs16_x2;
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c->pix_abs[0][2] = bfin_pix_abs16_y2;
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c->pix_abs[0][3] = bfin_pix_abs16_xy2;
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c->pix_abs[1][0] = bfin_pix_abs8;
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c->pix_abs[1][1] = bfin_pix_abs8_x2;
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c->pix_abs[1][2] = bfin_pix_abs8_y2;
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c->pix_abs[1][3] = bfin_pix_abs8_xy2;
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c->sse[0] = ff_bfin_sse16;
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c->sse[1] = ff_bfin_sse8;
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c->sse[2] = ff_bfin_sse4;
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if (avctx->bits_per_raw_sample <= 8) {
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if (avctx->dct_algo == FF_DCT_AUTO)
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c->fdct = ff_bfin_fdct;
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if (avctx->idct_algo == FF_IDCT_AUTO) {
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c->idct_permutation_type = FF_NO_IDCT_PERM;
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c->idct = ff_bfin_idct;
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c->idct_add = bfin_idct_add;
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c->idct_put = bfin_idct_put;
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}
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}
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}
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