2 * RAW AVS3-P2/IEEE1857.10 video demuxer
3 * Copyright (c) 2020 Zhenyu Wang <wangzhenyu@pkusz.edu.cn>
4 * Bingjie Han <hanbj@pkusz.edu.cn>
5 * Huiwen Ren <hwrenx@gmail.com>
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 #include "libavcodec/avs3.h"
25 #include "libavcodec/internal.h"
29 static int avs3video_probe(const AVProbeData *p)
31 const uint8_t *ptr = p->buf, *end = p->buf + p->buf_size;
34 int pic = 0, seq = 0, slice_pos = 0;
38 ptr = avpriv_find_start_code(ptr, end, &code);
40 if ((code & 0xFFFFFF00) == 0x100) {
41 if (state < AVS3_SEQ_START_CODE) {
48 if (state == AVS3_SEQ_START_CODE) {
50 if (*ptr != AVS3_PROFILE_BASELINE_MAIN && *ptr != AVS3_PROFILE_BASELINE_MAIN10)
52 } else if (AVS3_ISPIC(state)) {
54 } else if ((state == AVS3_UNDEF_START_CODE) ||
55 (state > AVS3_VIDEO_EDIT_CODE)) {
61 if (seq && pic && av_match_ext(p->filename, "avs3")) {
62 ret = AVPROBE_SCORE_MAX;
68 FF_DEF_RAWVIDEO_DEMUXER(avs3, "raw AVS3-P2/IEEE1857.10", avs3video_probe, "avs3", AV_CODEC_ID_AVS3)