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_MPEGVIDEOENCDSP_H
20 #define AVCODEC_MPEGVIDEOENCDSP_H
26 #define BASIS_SHIFT 16
32 typedef struct MpegvideoEncDSPContext
{
33 int (*try_8x8basis
)(int16_t rem
[64], int16_t weight
[64],
34 int16_t basis
[64], int scale
);
35 void (*add_8x8basis
)(int16_t rem
[64], int16_t basis
[64], int scale
);
37 int (*pix_sum
)(uint8_t *pix
, int line_size
);
38 int (*pix_norm1
)(uint8_t *pix
, int line_size
);
40 void (*shrink
[4])(uint8_t *dst
, int dst_wrap
, const uint8_t *src
,
41 int src_wrap
, int width
, int height
);
43 void (*draw_edges
)(uint8_t *buf
, int wrap
, int width
, int height
,
44 int w
, int h
, int sides
);
45 } MpegvideoEncDSPContext
;
47 void ff_mpegvideoencdsp_init(MpegvideoEncDSPContext
*c
,
48 AVCodecContext
*avctx
);
49 void ff_mpegvideoencdsp_init_arm(MpegvideoEncDSPContext
*c
,
50 AVCodecContext
*avctx
);
51 void ff_mpegvideoencdsp_init_ppc(MpegvideoEncDSPContext
*c
,
52 AVCodecContext
*avctx
);
53 void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext
*c
,
54 AVCodecContext
*avctx
);
56 #endif /* AVCODEC_MPEGVIDEOENCDSP_H */