1 /*
2 * "NUT" Container Format (de)muxer
3 * Copyright (c) 2006 Michael Niedermayer
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #ifndef AVFORMAT_NUT_H
23 #define AVFORMAT_NUT_H
24
28
29 #define MAIN_STARTCODE (0x7A561F5F04ADULL + (((uint64_t)('N'<<8) + 'M')<<48))
30 #define STREAM_STARTCODE (0x11405BF2F9DBULL + (((uint64_t)('N'<<8) + 'S')<<48))
31 #define SYNCPOINT_STARTCODE (0xE4ADEECA4569ULL + (((uint64_t)('N'<<8) + 'K')<<48))
32 #define INDEX_STARTCODE (0xDD672F23E64EULL + (((uint64_t)('N'<<8) + 'X')<<48))
33 #define INFO_STARTCODE (0xAB68B596BA78ULL + (((uint64_t)('N'<<8) + 'I')<<48))
34
35 #define ID_STRING "nut/multimedia container0円"
36
37 #define MAX_DISTANCE (1024*32-1)
38
39 #define NUT_MAX_VERSION 4
40 #define NUT_STABLE_VERSION 3
41 #define NUT_MIN_VERSION 2
42
45 FLAG_EOR = 2,
// if set, stream has no relevance on presentation. (EOR)
48 FLAG_SIZE_MSB = 32,
// if set, data_size_msb is at frame header, otherwise data_size_msb is 0
50 FLAG_RESERVED = 128,
// if set, reserved_count is coded in the frame header
51 FLAG_SM_DATA = 256,
// if set, side / meta data is stored in the frame header.
54 FLAG_CODED =4096,
// if set, coded_flags are stored in the frame header
57
61 // uint64_t global_key_pts;
64
74
86
90
94 // int written_packet_size;
95 // int64_t packet_start;
99 uint64_t
next_startcode;
// stores the next startcode if it has already been parsed but the stream is not seekable
113 #define NUT_BROADCAST 1 // use extended syncpoints
114 #define NUT_PIPE 2 // do not write syncpoints
119
125
127
132
139
141
143
144 #endif /* AVFORMAT_NUT_H */
const char const char void * val
int64_t last_syncpoint_pos
int64_t ff_lsb2full(StreamContext *stream, int64_t lsb)
const AVCodecTag ff_nut_audio_tags[]
const uint8_t * header[128]
int ff_nut_sp_pts_cmp(const void *a, const void *b)
void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val)
const Dispositions ff_nut_dispositions[]
const AVCodecTag ff_nut_video_tags[]
const AVCodecTag ff_nut_data_tags[]
struct AVTreeNode * syncpoints
void ff_nut_free_sp(NUTContext *nut)
int ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts)
Describe the class of an AVClass context structure.
const AVCodecTag ff_nut_subtitle_tags[]
Rational number (pair of numerator and denominator).
int ff_nut_sp_pos_cmp(const void *a, const void *b)
FrameCode frame_code[256]
const AVCodecTag ff_nut_audio_extra_tags[]
const AVMetadataConv ff_nut_metadata_conv[]
unsigned int time_base_count
const AVCodecTag *const ff_nut_codec_tags[]
unsigned int max_distance