xref: /third_party/ffmpeg/libavcodec/svq1enc.h (revision cabdff1a)
1/*
2 * SVQ1 encoder
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#ifndef AVCODEC_SVQ1ENC_H
22#define AVCODEC_SVQ1ENC_H
23
24#include <stdint.h>
25
26#include "libavutil/frame.h"
27#include "libavutil/mem_internal.h"
28
29#include "avcodec.h"
30#include "hpeldsp.h"
31#include "me_cmp.h"
32#include "mpegvideo.h"
33#include "put_bits.h"
34
35typedef struct SVQ1EncContext {
36    /* FIXME: Needed for motion estimation, should not be used for anything
37     * else, the idea is to make the motion estimation eventually independent
38     * of MpegEncContext, so this will be removed then. */
39    MpegEncContext m;
40    AVCodecContext *avctx;
41    MECmpContext mecc;
42    HpelDSPContext hdsp;
43    AVFrame *current_picture;
44    AVFrame *last_picture;
45    PutBitContext pb;
46
47    /* Some compression statistics */
48    enum AVPictureType pict_type;
49    int quality;
50
51    /* why ooh why this sick breadth first order,
52     * everything is slower and more complex */
53    PutBitContext reorder_pb[6];
54
55    int frame_width;
56    int frame_height;
57
58    /* Y plane block dimensions */
59    int y_block_width;
60    int y_block_height;
61
62    /* U & V plane (C planes) block dimensions */
63    int c_block_width;
64    int c_block_height;
65
66    DECLARE_ALIGNED(16, int16_t, encoded_block_levels)[6][7][256];
67
68    uint16_t *mb_type;
69    uint32_t *dummy;
70    int16_t (*motion_val8[3])[2];
71    int16_t (*motion_val16[3])[2];
72
73    int64_t rd_total;
74
75    uint8_t *scratchbuf;
76
77    int motion_est;
78
79    int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2,
80                             intptr_t size);
81} SVQ1EncContext;
82
83void ff_svq1enc_init_ppc(SVQ1EncContext *c);
84void ff_svq1enc_init_x86(SVQ1EncContext *c);
85
86#endif /* AVCODEC_SVQ1ENC_H */
87