You've already forked FFmpeg
mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2025-10-30 23:18:11 +02:00
51 lines
1.7 KiB
C
51 lines
1.7 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 "libavutil/attributes.h"
|
|
#include "avcodec.h"
|
|
#include "dct.h"
|
|
#include "faandct.h"
|
|
#include "fdctdsp.h"
|
|
#include "config.h"
|
|
|
|
av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx)
|
|
{
|
|
const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
|
|
|
|
if (avctx->bits_per_raw_sample == 10 || avctx->bits_per_raw_sample == 9) {
|
|
c->fdct = ff_jpeg_fdct_islow_10;
|
|
c->fdct248 = ff_fdct248_islow_10;
|
|
} else if (avctx->dct_algo == FF_DCT_FASTINT) {
|
|
c->fdct = ff_fdct_ifast;
|
|
c->fdct248 = ff_fdct_ifast248;
|
|
#if CONFIG_FAANDCT
|
|
} else if (avctx->dct_algo == FF_DCT_FAAN) {
|
|
c->fdct = ff_faandct;
|
|
c->fdct248 = ff_faandct248;
|
|
#endif /* CONFIG_FAANDCT */
|
|
} else {
|
|
c->fdct = ff_jpeg_fdct_islow_8; // slow/accurate/default
|
|
c->fdct248 = ff_fdct248_islow_8;
|
|
}
|
|
|
|
if (ARCH_PPC)
|
|
ff_fdctdsp_init_ppc(c, avctx, high_bit_depth);
|
|
if (ARCH_X86)
|
|
ff_fdctdsp_init_x86(c, avctx, high_bit_depth);
|
|
}
|