00001 /* 00002 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com> 00003 * 00004 * This file is part of FFmpeg. 00005 * 00006 * FFmpeg is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2.1 of the License, or (at your option) any later version. 00010 * 00011 * FFmpeg is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License along with FFmpeg; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 #include "libavcodec/dsputil.h" 00022 #include "dsputil_arm.h" 00023 00024 void ff_simple_idct_armv5te(DCTELEM *data); 00025 void ff_simple_idct_put_armv5te(uint8_t *dest, int line_size, DCTELEM *data); 00026 void ff_simple_idct_add_armv5te(uint8_t *dest, int line_size, DCTELEM *data); 00027 00028 void ff_prefetch_arm(void *mem, int stride, int h); 00029 00030 void av_cold ff_dsputil_init_armv5te(DSPContext* c, AVCodecContext *avctx) 00031 { 00032 if (!avctx->lowres && avctx->bits_per_raw_sample <= 8 && 00033 (avctx->idct_algo == FF_IDCT_AUTO || 00034 avctx->idct_algo == FF_IDCT_SIMPLEARMV5TE)) { 00035 c->idct_put = ff_simple_idct_put_armv5te; 00036 c->idct_add = ff_simple_idct_add_armv5te; 00037 c->idct = ff_simple_idct_armv5te; 00038 c->idct_permutation_type = FF_NO_IDCT_PERM; 00039 } 00040 00041 c->prefetch = ff_prefetch_arm; 00042 }
1.5.8