avformat/mpeg: demux ivtv captions
[ffmpeg.git] / libavcodec / pixblockdsp.h
blobcac5f3d4a2f9cf254313f09a9d6dbf4c9628da29
1 /*
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_PIXBLOCKDSP_H
20 #define AVCODEC_PIXBLOCKDSP_H
22 #include <stdint.h>
24 #include "avcodec.h"
26 typedef struct PixblockDSPContext {
27 void (*get_pixels)(int16_t *restrict block /* align 16 */,
28 const uint8_t *pixels /* align 8 */,
29 ptrdiff_t stride);
30 void (*get_pixels_unaligned)(int16_t *restrict block /* align 16 */,
31 const uint8_t *pixels,
32 ptrdiff_t stride);
33 void (*diff_pixels)(int16_t *restrict block /* align 16 */,
34 const uint8_t *s1 /* align 8 */,
35 const uint8_t *s2 /* align 8 */,
36 ptrdiff_t stride);
37 void (*diff_pixels_unaligned)(int16_t *restrict block /* align 16 */,
38 const uint8_t *s1,
39 const uint8_t *s2,
40 ptrdiff_t stride);
42 } PixblockDSPContext;
44 void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx);
45 void ff_pixblockdsp_init_aarch64(PixblockDSPContext *c, AVCodecContext *avctx,
46 unsigned high_bit_depth);
47 void ff_pixblockdsp_init_alpha(PixblockDSPContext *c, AVCodecContext *avctx,
48 unsigned high_bit_depth);
49 void ff_pixblockdsp_init_arm(PixblockDSPContext *c, AVCodecContext *avctx,
50 unsigned high_bit_depth);
51 void ff_pixblockdsp_init_ppc(PixblockDSPContext *c, AVCodecContext *avctx,
52 unsigned high_bit_depth);
53 void ff_pixblockdsp_init_riscv(PixblockDSPContext *c, AVCodecContext *avctx,
54 unsigned high_bit_depth);
55 void ff_pixblockdsp_init_x86(PixblockDSPContext *c, AVCodecContext *avctx,
56 unsigned high_bit_depth);
57 void ff_pixblockdsp_init_mips(PixblockDSPContext *c, AVCodecContext *avctx,
58 unsigned high_bit_depth);
60 #endif /* AVCODEC_PIXBLOCKDSP_H */