From 150c9823e71a161e97003849cf8b2f55b21520bd Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Mon, 26 Aug 2013 15:10:18 +0100 Subject: adding ffmpeg specific version --- ffmpeg1/libavcodec/sparc/dsputil_vis.c | 62 ++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 ffmpeg1/libavcodec/sparc/dsputil_vis.c (limited to 'ffmpeg1/libavcodec/sparc/dsputil_vis.c') diff --git a/ffmpeg1/libavcodec/sparc/dsputil_vis.c b/ffmpeg1/libavcodec/sparc/dsputil_vis.c new file mode 100644 index 0000000..9c3494b --- /dev/null +++ b/ffmpeg1/libavcodec/sparc/dsputil_vis.c @@ -0,0 +1,62 @@ +/* + * 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 (); + const int high_bit_depth = avctx->bits_per_raw_sample > 8; + + 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; + } + } +} -- cgit v1.2.3