FFmpeg: libavformat/nut.h File Reference

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Data Structures | Macros | Enumerations | Functions | Variables

nut.h File Reference

#include "avformat.h"
#include "internal.h"
#include "metadata.h"

Go to the source code of this file.

Data Structures

struct Syncpoint

struct FrameCode

struct StreamContext

struct ChapterContext

struct NUTContext

struct Dispositions

Macros

#define MAIN_STARTCODE (0x7A561F5F04ADULL + (((uint64_t)('N'<<8) + 'M')<<48))

#define STREAM_STARTCODE (0x11405BF2F9DBULL + (((uint64_t)('N'<<8) + 'S')<<48))

#define SYNCPOINT_STARTCODE (0xE4ADEECA4569ULL + (((uint64_t)('N'<<8) + 'K')<<48))

#define INDEX_STARTCODE (0xDD672F23E64EULL + (((uint64_t)('N'<<8) + 'X')<<48))

#define INFO_STARTCODE (0xAB68B596BA78ULL + (((uint64_t)('N'<<8) + 'I')<<48))

#define ID_STRING "nut/multimedia container0円"

#define MAX_DISTANCE (1024*32-1)

#define NUT_MAX_VERSION 4

#define NUT_STABLE_VERSION 3

#define NUT_MIN_VERSION 2

#define NUT_BROADCAST 1

#define NUT_PIPE 2

Enumerations

enum Flag {
  FLAG_KEY = 1, FLAG_EOR = 2, FLAG_CODED_PTS = 8, FLAG_STREAM_ID = 16,
  FLAG_SIZE_MSB = 32, FLAG_CHECKSUM = 64, FLAG_RESERVED = 128, FLAG_SM_DATA = 256,
  FLAG_HEADER_IDX =1024, FLAG_MATCH_TIME =2048, FLAG_CODED =4096, FLAG_INVALID =8192
}

Functions

void ff_nut_reset_ts (NUTContext *nut, AVRational time_base, int64_t val)

int64_t ff_lsb2full (StreamContext *stream, int64_t lsb)

int ff_nut_sp_pos_cmp (const void *a, const void *b)

int ff_nut_sp_pts_cmp (const void *a, const void *b)

int ff_nut_add_sp (NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts)

void ff_nut_free_sp (NUTContext *nut)

Variables

const AVCodecTag ff_nut_subtitle_tags []

const AVCodecTag ff_nut_video_tags []

const AVCodecTag ff_nut_audio_tags []

const AVCodecTag ff_nut_audio_extra_tags []

const AVCodecTag ff_nut_data_tags []

const AVCodecTag *const ff_nut_codec_tags []

const Dispositions ff_nut_dispositions []

const AVMetadataConv ff_nut_metadata_conv []

Macro Definition Documentation

◆ MAIN_STARTCODE

#define MAIN_STARTCODE (0x7A561F5F04ADULL + (((uint64_t)('N'<<8) + 'M')<<48))

Definition at line 29 of file nut.h.

◆ STREAM_STARTCODE

#define STREAM_STARTCODE (0x11405BF2F9DBULL + (((uint64_t)('N'<<8) + 'S')<<48))

Definition at line 30 of file nut.h.

◆ SYNCPOINT_STARTCODE

#define SYNCPOINT_STARTCODE (0xE4ADEECA4569ULL + (((uint64_t)('N'<<8) + 'K')<<48))

Definition at line 31 of file nut.h.

◆ INDEX_STARTCODE

#define INDEX_STARTCODE (0xDD672F23E64EULL + (((uint64_t)('N'<<8) + 'X')<<48))

Definition at line 32 of file nut.h.

◆ INFO_STARTCODE

#define INFO_STARTCODE (0xAB68B596BA78ULL + (((uint64_t)('N'<<8) + 'I')<<48))

Definition at line 33 of file nut.h.

◆ ID_STRING

#define ID_STRING "nut/multimedia container0円"

Definition at line 35 of file nut.h.

◆ MAX_DISTANCE

#define MAX_DISTANCE (1024*32-1)

Definition at line 37 of file nut.h.

◆ NUT_MAX_VERSION

#define NUT_MAX_VERSION 4

Definition at line 39 of file nut.h.

◆ NUT_STABLE_VERSION

#define NUT_STABLE_VERSION 3

Definition at line 40 of file nut.h.

◆ NUT_MIN_VERSION

#define NUT_MIN_VERSION 2

Definition at line 41 of file nut.h.

◆ NUT_BROADCAST

#define NUT_BROADCAST 1

Definition at line 113 of file nut.h.

◆ NUT_PIPE

#define NUT_PIPE 2

Definition at line 114 of file nut.h.

Enumeration Type Documentation

◆ Flag

enum Flag

Enumerator
FLAG_KEY
FLAG_EOR
FLAG_CODED_PTS
FLAG_STREAM_ID
FLAG_SIZE_MSB
FLAG_CHECKSUM
FLAG_RESERVED
FLAG_SM_DATA
FLAG_HEADER_IDX
FLAG_MATCH_TIME
FLAG_CODED
FLAG_INVALID

Definition at line 43 of file nut.h.

Function Documentation

◆ ff_nut_reset_ts()

void ff_nut_reset_ts ( NUTContext * nut,

AVRational time_base,

int64_t val

)

Definition at line 257 of file nut.c.

Referenced by decode_syncpoint(), and nut_write_packet().

◆ ff_lsb2full()

int64_t ff_lsb2full ( StreamContext * stream,

int64_t lsb

)

Definition at line 268 of file nut.c.

Referenced by decode_frame_header(), and nut_write_packet().

◆ ff_nut_sp_pos_cmp()

int ff_nut_sp_pos_cmp ( const void * a,

const void * b

)

Definition at line 275 of file nut.c.

Referenced by ff_nut_add_sp(), read_seek(), and write_index().

◆ ff_nut_sp_pts_cmp()

int ff_nut_sp_pts_cmp ( const void * a,

const void * b

)

Definition at line 281 of file nut.c.

Referenced by read_seek().

◆ ff_nut_add_sp()

int ff_nut_add_sp ( NUTContext * nut,

int64_t pos,

int64_t back_ptr,

int64_t ts

)

Definition at line 287 of file nut.c.

Referenced by decode_syncpoint(), and nut_write_packet().

◆ ff_nut_free_sp()

void ff_nut_free_sp ( NUTContext * nut )

Definition at line 318 of file nut.c.

Referenced by nut_read_close(), and nut_write_deinit().

Variable Documentation

◆ ff_nut_subtitle_tags

const AVCodecTag ff_nut_subtitle_tags[]

Definition at line 28 of file nut.c.

Referenced by decode_stream_header().

◆ ff_nut_video_tags

const AVCodecTag ff_nut_video_tags[]

Definition at line 43 of file nut.c.

Referenced by decode_stream_header().

◆ ff_nut_audio_tags

const AVCodecTag ff_nut_audio_tags[]

Definition at line 223 of file nut.c.

Referenced by decode_stream_header().

◆ ff_nut_audio_extra_tags

const AVCodecTag ff_nut_audio_extra_tags[]

Definition at line 213 of file nut.c.

Referenced by decode_stream_header().

◆ ff_nut_data_tags

const AVCodecTag ff_nut_data_tags[]

Definition at line 38 of file nut.c.

Referenced by decode_stream_header().

◆ ff_nut_codec_tags

const AVCodecTag* const ff_nut_codec_tags[]

Definition at line 252 of file nut.c.

◆ ff_nut_dispositions

const Dispositions ff_nut_dispositions[]

Definition at line 326 of file nut.c.

Referenced by set_disposition_bits(), and write_streaminfo().

◆ ff_nut_metadata_conv

const AVMetadataConv ff_nut_metadata_conv[]

Definition at line 336 of file nut.c.

Referenced by nut_read_header(), and write_headers().

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