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 */