blob: d9a565dfa90490e120f6080d44ca3a116bd67572
1 | /* |
2 | * lossless JPEG shared bits |
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_MJPEGENC_COMMON_H |
22 | #define AVCODEC_MJPEGENC_COMMON_H |
23 | |
24 | #include <stdint.h> |
25 | |
26 | #include "avcodec.h" |
27 | #include "idctdsp.h" |
28 | #include "mpegvideo.h" |
29 | #include "put_bits.h" |
30 | |
31 | void ff_mjpeg_encode_picture_header(AVCodecContext *avctx, PutBitContext *pb, |
32 | ScanTable *intra_scantable, int pred, |
33 | uint16_t luma_intra_matrix[64], |
34 | uint16_t chroma_intra_matrix[64]); |
35 | void ff_mjpeg_encode_picture_trailer(PutBitContext *pb, int header_bits); |
36 | void ff_mjpeg_escape_FF(PutBitContext *pb, int start); |
37 | int ff_mjpeg_encode_stuffing(MpegEncContext *s); |
38 | void ff_mjpeg_init_hvsample(AVCodecContext *avctx, int hsample[4], int vsample[4]); |
39 | |
40 | void ff_mjpeg_encode_dc(PutBitContext *pb, int val, |
41 | uint8_t *huff_size, uint16_t *huff_code); |
42 | |
43 | av_cold void ff_init_uni_ac_vlc(const uint8_t huff_size_ac[256], uint8_t *uni_ac_vlc_len); |
44 | |
45 | #endif /* AVCODEC_MJPEGENC_COMMON_H */ |
46 |