b3b05a11d3
* commit 'dcb7c868ec7af7d3a138b3254ef2e08f074d8ec5': cosmetics: Make naming scheme of Xvid IDCT consistent with other IDCTs Conflicts: libavcodec/mpeg4videodec.c libavcodec/x86/Makefile libavcodec/x86/dct-test.c libavcodec/x86/xvididct_sse2.c libavcodec/xvididct.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
|
|
* 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
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "libavutil/attributes.h"
|
|
#include "avcodec.h"
|
|
#include "idctdsp.h"
|
|
#include "xvididct.h"
|
|
|
|
static void idct_xvid_put(uint8_t *dest, int line_size, int16_t *block)
|
|
{
|
|
ff_idct_xvid(block);
|
|
ff_put_pixels_clamped(block, dest, line_size);
|
|
}
|
|
|
|
static void idct_xvid_add(uint8_t *dest, int line_size, int16_t *block)
|
|
{
|
|
ff_idct_xvid(block);
|
|
ff_add_pixels_clamped(block, dest, line_size);
|
|
}
|
|
|
|
av_cold void ff_xvid_idct_init(IDCTDSPContext *c, AVCodecContext *avctx)
|
|
{
|
|
const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
|
|
|
|
if (high_bit_depth || avctx->lowres ||
|
|
!(avctx->idct_algo == FF_IDCT_AUTO ||
|
|
avctx->idct_algo == FF_IDCT_XVID))
|
|
return;
|
|
|
|
if (avctx->idct_algo == FF_IDCT_XVID) {
|
|
c->idct_put = idct_xvid_put;
|
|
c->idct_add = idct_xvid_add;
|
|
c->idct = ff_idct_xvid;
|
|
c->perm_type = FF_IDCT_PERM_NONE;
|
|
}
|
|
|
|
if (ARCH_X86)
|
|
ff_xvid_idct_init_x86(c);
|
|
|
|
ff_init_scantable_permutation(c->idct_permutation, c->perm_type);
|
|
}
|