diff options
Diffstat (limited to 'libavcodec/sh4/dsputil_sh4.c')
| -rw-r--r-- | libavcodec/sh4/dsputil_sh4.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/libavcodec/sh4/dsputil_sh4.c b/libavcodec/sh4/dsputil_sh4.c deleted file mode 100644 index 6fd287ddfb..0000000000 --- a/libavcodec/sh4/dsputil_sh4.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * sh4 dsputil - * - * Copyright (c) 2003 BERO <bero@geocities.co.jp> - * - * This file is part of Libav. - * - * Libav is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * Libav is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "libavutil/attributes.h" -#include "libavcodec/avcodec.h" -#include "libavcodec/dsputil.h" -#include "dsputil_sh4.h" -#include "sh4.h" - -static void memzero_align8(void *dst,size_t size) -{ - int fpscr; - fp_single_enter(fpscr); - dst = (char *)dst + size; - size /= 32; - __asm__ volatile ( - " fldi0 fr0\n" - " fldi0 fr1\n" - " fschg\n" // double - "1: \n" \ - " dt %1\n" - " fmov dr0,@-%0\n" - " fmov dr0,@-%0\n" - " fmov dr0,@-%0\n" - " bf.s 1b\n" - " fmov dr0,@-%0\n" - " fschg" //back to single - : "+r"(dst),"+r"(size) :: "memory" ); - fp_single_leave(fpscr); -} - -static void clear_blocks_sh4(int16_t *blocks) -{ - memzero_align8(blocks,sizeof(int16_t)*6*64); -} - -static void idct_put(uint8_t *dest, int line_size, int16_t *block) -{ - int i; - const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; - ff_idct_sh4(block); - for(i=0;i<8;i++) { - dest[0] = cm[block[0]]; - dest[1] = cm[block[1]]; - dest[2] = cm[block[2]]; - dest[3] = cm[block[3]]; - dest[4] = cm[block[4]]; - dest[5] = cm[block[5]]; - dest[6] = cm[block[6]]; - dest[7] = cm[block[7]]; - dest+=line_size; - block+=8; - } -} -static void idct_add(uint8_t *dest, int line_size, int16_t *block) -{ - int i; - const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; - ff_idct_sh4(block); - for(i=0;i<8;i++) { - dest[0] = cm[dest[0]+block[0]]; - dest[1] = cm[dest[1]+block[1]]; - dest[2] = cm[dest[2]+block[2]]; - dest[3] = cm[dest[3]+block[3]]; - dest[4] = cm[dest[4]+block[4]]; - dest[5] = cm[dest[5]+block[5]]; - dest[6] = cm[dest[6]+block[6]]; - dest[7] = cm[dest[7]+block[7]]; - dest+=line_size; - block+=8; - } -} - -av_cold void ff_dsputil_init_sh4(DSPContext *c, AVCodecContext *avctx) -{ - const int idct_algo= avctx->idct_algo; - const int high_bit_depth = avctx->bits_per_raw_sample > 8; - - if (!high_bit_depth) - c->clear_blocks = clear_blocks_sh4; - if (avctx->bits_per_raw_sample <= 8 && - (idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_SH4)) { - c->idct_put = idct_put; - c->idct_add = idct_add; - c->idct = ff_idct_sh4; - c->idct_permutation_type= FF_NO_IDCT_PERM; - } -} |