2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef AVCODEC_FDCTDSP_H
20 #define AVCODEC_FDCTDSP_H
24 #include "libavutil/attributes_internal.h"
26 struct AVCodecContext;
28 typedef struct FDCTDSPContext {
29 void (*fdct)(int16_t *block /* align 16 */);
30 void (*fdct248)(int16_t *block /* align 16 */);
33 FF_VISIBILITY_PUSH_HIDDEN
34 void ff_fdctdsp_init(FDCTDSPContext *c, struct AVCodecContext *avctx);
35 void ff_fdctdsp_init_ppc(FDCTDSPContext *c, struct AVCodecContext *avctx,
36 unsigned high_bit_depth);
37 void ff_fdctdsp_init_x86(FDCTDSPContext *c, struct AVCodecContext *avctx,
38 unsigned high_bit_depth);
40 void ff_fdct_ifast(int16_t *data);
41 void ff_fdct_ifast248(int16_t *data);
42 void ff_jpeg_fdct_islow_8(int16_t *data);
43 void ff_jpeg_fdct_islow_10(int16_t *data);
44 void ff_fdct248_islow_8(int16_t *data);
45 void ff_fdct248_islow_10(int16_t *data);
46 FF_VISIBILITY_POP_HIDDEN
48 #endif /* AVCODEC_FDCTDSP_H */