/* * Copyright (C) 2003 David S. Miller * * This file is part of FFmpeg. * * FFmpeg 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. * * FFmpeg 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 FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* The *no_round* functions have been added by James A. Morrison, 2003,2004. The vis code from libmpeg2 was adapted for libavcodec by James A. Morrison. */ #include "config.h" #include #include "libavutil/attributes.h" #include "libavcodec/dsputil.h" #include "libavutil/mem.h" #include "dsputil_vis.h" #include "vis.h" #define ACCEL_SPARC_VIS 1 #define ACCEL_SPARC_VIS2 2 static int vis_level(void) { int accel = 0; accel |= ACCEL_SPARC_VIS; accel |= ACCEL_SPARC_VIS2; return accel; } /* libavcodec initialization code */ av_cold void ff_dsputil_init_vis(DSPContext *c, AVCodecContext *avctx) { /* VIS-specific optimizations */ int accel = vis_level (); if (accel & ACCEL_SPARC_VIS && !high_bit_depth) { if (avctx->idct_algo == FF_IDCT_SIMPLEVIS) { c->idct_put = ff_simple_idct_put_vis; c->idct_add = ff_simple_idct_add_vis; c->idct = ff_simple_idct_vis; c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM; } } }