/*
* 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 "faandct.h"
#include "fdctdsp.h"
#include "config.h"
av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx)
{
av_unused 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_AARCH64
ff_fdctdsp_init_aarch64(c, avctx, high_bit_depth);
#elif ARCH_PPC
ff_fdctdsp_init_ppc(c, avctx, high_bit_depth);
#elif ARCH_X86
ff_fdctdsp_init_x86(c, avctx, high_bit_depth);
#endif
}
Messung V0.5 in Prozent C=95 H=100 G=97
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-29)
¤
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