1 /*
2 * Copyright (c) 2002 The FFmpeg Project
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_WMV2_H
22 #define AVCODEC_WMV2_H
23
28
29 #define SKIP_TYPE_NONE 0
30 #define SKIP_TYPE_MPEG 1
31 #define SKIP_TYPE_ROW 2
32 #define SKIP_TYPE_COL 3
33
34
52
56
58
62 int motion_x, int motion_y);
67
71 int motion_x,
int motion_y,
int h);
72
73
75 {
76 static const uint8_t map[3][3] = {
77 { 0, 2, 1 },
78 { 1, 0, 2 },
79 { 2, 1, 0 },
80 };
81
82 return map[(s->
qscale > 10) + (s->
qscale > 20)][cbp_index];
83 }
84
85 #endif /* AVCODEC_WMV2_H */
static av_always_inline int wmv2_get_cbp_table_index(MpegEncContext *s, int cbp_index)
int16_t abt_block2[6][64]
#define DECLARE_ALIGNED(n, t, v)
void ff_wmv2_common_init(Wmv2Context *w)
int ff_wmv2_encode_picture_header(MpegEncContext *s, int picture_number)
void ff_wmv2_add_mb(MpegEncContext *s, int16_t block[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr)
void ff_mspel_motion(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture, op_pixels_func(*pix_op)[4], int motion_x, int motion_y, int h)
void ff_wmv2_encode_mb(MpegEncContext *s, int16_t block[6][64], int motion_x, int motion_y)
void(* op_pixels_func)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
ScanTable abt_scantable[2]
int ff_wmv2_decode_secondary_picture_header(MpegEncContext *s)
Libavcodec external API header.
int ff_wmv2_decode_picture_header(MpegEncContext *s)
int ff_wmv2_decode_mb(MpegEncContext *s, int16_t block[6][64])