292 lines
11 KiB
C
292 lines
11 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 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 <unistd.h>
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#include "avcodec.h"
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#include "dsputil.h"
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#include "dsputil_bfin.h"
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int off;
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extern void ff_bfin_idct (DCTELEM *block) attribute_l1_text;
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extern void ff_bfin_fdct (DCTELEM *block) attribute_l1_text;
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extern void ff_bfin_add_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;
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extern void ff_bfin_put_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;
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extern void ff_bfin_diff_pixels (DCTELEM *block, uint8_t *s1, uint8_t *s2, int stride) attribute_l1_text;
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extern void ff_bfin_get_pixels (DCTELEM *restrict block, const uint8_t *pixels, int line_size) attribute_l1_text;
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extern int ff_bfin_pix_norm1 (uint8_t * pix, int line_size) attribute_l1_text;
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extern int ff_bfin_z_sad8x8 (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) attribute_l1_text;
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extern int ff_bfin_z_sad16x16 (uint8_t *blk1, uint8_t *blk2, int dsz, int line_size, int h) attribute_l1_text;
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extern void ff_bfin_z_put_pixels16_xy2 (uint8_t *block, const uint8_t *s0, int dest_size, int line_size, int h) attribute_l1_text;
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extern void ff_bfin_z_put_pixels8_xy2 (uint8_t *block, const uint8_t *s0, int dest_size, int line_size, int h) attribute_l1_text;
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extern void ff_bfin_put_pixels16_xy2_nornd (uint8_t *block, const uint8_t *s0, int line_size, int h) attribute_l1_text;
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extern void ff_bfin_put_pixels8_xy2_nornd (uint8_t *block, const uint8_t *s0, int line_size, int h) attribute_l1_text;
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extern int ff_bfin_pix_sum (uint8_t *p, int stride) attribute_l1_text;
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extern void ff_bfin_put_pixels8uc (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int dest_size, int line_size, int h) attribute_l1_text;
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extern void ff_bfin_put_pixels16uc (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int dest_size, int line_size, int h) attribute_l1_text;
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extern void ff_bfin_put_pixels8uc_nornd (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int line_size, int h) attribute_l1_text;
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extern void ff_bfin_put_pixels16uc_nornd (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int line_size, int h) attribute_l1_text;
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extern int ff_bfin_sse4 (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text;
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extern int ff_bfin_sse8 (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text;
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extern int ff_bfin_sse16 (void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) attribute_l1_text;
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static void bfin_idct_add (uint8_t *dest, int line_size, DCTELEM *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, DCTELEM *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 (DCTELEM *blocks)
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{
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// This is just a simple memset.
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//
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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 void bfin_put_pixels8 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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ff_bfin_put_pixels8uc (block, pixels, pixels, line_size, line_size, h);
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}
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static void bfin_put_pixels8_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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ff_bfin_put_pixels8uc (block, pixels, pixels+1, line_size, line_size, h);
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}
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static void bfin_put_pixels8_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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ff_bfin_put_pixels8uc (block, pixels, pixels+line_size, line_size, line_size, h);
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}
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static void bfin_put_pixels8_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h)
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{
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ff_bfin_z_put_pixels8_xy2 (block,s0,line_size, line_size, h);
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}
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static void bfin_put_pixels16 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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ff_bfin_put_pixels16uc (block, pixels, pixels, line_size, line_size, h);
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}
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static void bfin_put_pixels16_x2 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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ff_bfin_put_pixels16uc (block, pixels, pixels+1, line_size, line_size, h);
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}
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static void bfin_put_pixels16_y2 (uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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ff_bfin_put_pixels16uc (block, pixels, pixels+line_size, line_size, line_size, h);
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}
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static void bfin_put_pixels16_xy2 (uint8_t *block, const uint8_t *s0, int line_size, int h)
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{
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ff_bfin_z_put_pixels16_xy2 (block,s0,line_size, line_size, h);
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}
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void bfin_put_pixels8_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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ff_bfin_put_pixels8uc_nornd (block, pixels, pixels, line_size, h);
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}
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static void bfin_put_pixels8_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+1, line_size, h);
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}
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static void bfin_put_pixels8_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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ff_bfin_put_pixels8uc_nornd (block, pixels, pixels+line_size, line_size, h);
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}
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void bfin_put_pixels16_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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ff_bfin_put_pixels16uc_nornd (block, pixels, pixels, line_size, h);
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}
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static void bfin_put_pixels16_x2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+1, line_size, h);
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}
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static void bfin_put_pixels16_y2_nornd (uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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ff_bfin_put_pixels16uc_nornd (block, pixels, pixels+line_size, line_size, h);
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}
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static int bfin_pix_abs16 (void *c, uint8_t *blk1, uint8_t *blk2, 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, 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, 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, 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, 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, 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, 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, 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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2.64s 2/20 same sman.mp4 decode only
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*/
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void dsputil_init_bfin( DSPContext* c, AVCodecContext *avctx )
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{
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c->get_pixels = ff_bfin_get_pixels;
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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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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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/**
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* Halfpel motion compensation with rounding (a+b+1)>>1.
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* This is an array[4][4] of motion compensation functions for 4
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* horizontal blocksizes (8,16) and the 4 halfpel positions
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* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
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* @param block destination where the result is stored
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* @param pixels source
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* @param line_size number of bytes in a horizontal line of block
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* @param h height
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*/
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c->put_pixels_tab[0][0] = bfin_put_pixels16;
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c->put_pixels_tab[0][1] = bfin_put_pixels16_x2;
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c->put_pixels_tab[0][2] = bfin_put_pixels16_y2;
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c->put_pixels_tab[0][3] = bfin_put_pixels16_xy2;
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c->put_pixels_tab[1][0] = bfin_put_pixels8;
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c->put_pixels_tab[1][1] = bfin_put_pixels8_x2;
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c->put_pixels_tab[1][2] = bfin_put_pixels8_y2;
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c->put_pixels_tab[1][3] = bfin_put_pixels8_xy2;
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c->put_no_rnd_pixels_tab[1][0] = bfin_put_pixels8_nornd;
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c->put_no_rnd_pixels_tab[1][1] = bfin_put_pixels8_x2_nornd;
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c->put_no_rnd_pixels_tab[1][2] = bfin_put_pixels8_y2_nornd;
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c->put_no_rnd_pixels_tab[1][3] = ff_bfin_put_pixels8_xy2_nornd;
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c->put_no_rnd_pixels_tab[0][0] = bfin_put_pixels16_nornd;
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c->put_no_rnd_pixels_tab[0][1] = bfin_put_pixels16_x2_nornd;
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c->put_no_rnd_pixels_tab[0][2] = bfin_put_pixels16_y2_nornd;
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c->put_no_rnd_pixels_tab[0][3] = ff_bfin_put_pixels16_xy2_nornd;
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c->idct_permutation_type = FF_NO_IDCT_PERM;
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c->fdct = ff_bfin_fdct;
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if (avctx->idct_algo!=FF_IDCT_VP3) {
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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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