mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
1.9 KiB
62 lines
1.9 KiB
/* |
|
* Copyright (C) 2003 David S. Miller <davem@redhat.com> |
|
* |
|
* 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 <inttypes.h> |
|
|
|
#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; |
|
} |
|
} |
|
}
|
|
|