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195 lines
6.7 KiB
195 lines
6.7 KiB
/* |
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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 <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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#include "libavcodec/mpegvideo.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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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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unsigned high_bit_depth) |
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{ |
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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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if (!high_bit_depth) { |
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c->get_pixels = ff_bfin_get_pixels; |
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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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