libavformat/nutenc.c File Reference

#include "libavutil/intreadwrite.h"
#include "libavutil/tree.h"
#include "libavcodec/mpegaudiodata.h"
#include "nut.h"

Go to the source code of this file.

Functions
static int	find_expected_header (AVCodecContext *c, int size, int key_frame, uint8_t out[64])
static int	find_header_idx (AVFormatContext *s, AVCodecContext *c, int size, int frame_type)
static void	build_elision_headers (AVFormatContext *s)
static void	build_frame_code (AVFormatContext *s)
static int	get_length (uint64_t val)
	Gets the length in bytes which is needed to store val as v.
static void	put_v (ByteIOContext *bc, uint64_t val)
static void	put_tt (NUTContext *nut, StreamContext *nus, ByteIOContext *bc, uint64_t val)
static void	put_str (ByteIOContext *bc, const char *string)
	Stores a string as vb.
static void	put_s (ByteIOContext *bc, int64_t val)
static void	put_packet (NUTContext *nut, ByteIOContext *bc, ByteIOContext *dyn_bc, int calculate_checksum, uint64_t startcode)
static void	write_mainheader (NUTContext *nut, ByteIOContext *bc)
static int	write_streamheader (NUTContext *nut, ByteIOContext *bc, AVStream *st, int i)
static int	add_info (ByteIOContext *bc, const char *type, const char *value)
static int	write_globalinfo (NUTContext *nut, ByteIOContext *bc)
static int	write_streaminfo (NUTContext *nut, ByteIOContext *bc, int stream_id)
static int	write_headers (NUTContext *nut, ByteIOContext *bc)
static int	write_header (AVFormatContext *s)
static int	get_needed_flags (NUTContext *nut, StreamContext *nus, FrameCode *fc, AVPacket *pkt)
static int	find_best_header_idx (NUTContext *nut, AVPacket *pkt)
static int	write_packet (AVFormatContext *s, AVPacket *pkt)
static int	write_trailer (AVFormatContext *s)
Variables
AVOutputFormat	nut_muxer

---

Function Documentation

static int add_info	(	ByteIOContext *	bc,
		const char *	type,
		const char *	value
	)			[static]

Definition at line 442 of file nutenc.c.

Referenced by write_globalinfo(), and write_streaminfo().

static void build_elision_headers

(

AVFormatContext *

s

)

[static]

Definition at line 107 of file nutenc.c.

Referenced by write_header().

static void build_frame_code

(

AVFormatContext *

s

)

[static]

Definition at line 128 of file nutenc.c.

Referenced by write_header().

static int find_best_header_idx	(	NUTContext *	nut,
		AVPacket *	pkt
	)			[static]

Definition at line 621 of file nutenc.c.

Referenced by write_packet().

static int find_expected_header	(	AVCodecContext *	c,
		int	size,
		int	key_frame,
		uint8_t	out[64]
	)			[static]

Definition at line 27 of file nutenc.c.

Referenced by find_header_idx().

static int find_header_idx	(	AVFormatContext *	s,
		AVCodecContext *	c,
		int	size,
		int	frame_type
	)			[static]

Definition at line 88 of file nutenc.c.

Referenced by build_frame_code().

static int get_length

(

uint64_t

val

)

[static]

Gets the length in bytes which is needed to store val as v.

Definition at line 246 of file nutenc.c.

Referenced by put_v(), and write_packet().

static int get_needed_flags	(	NUTContext *	nut,
		StreamContext *	nus,
		FrameCode *	fc,
		AVPacket *	pkt
	)			[static]

Definition at line 603 of file nutenc.c.

Referenced by write_packet().

static void put_packet	(	NUTContext *	nut,
		ByteIOContext *	bc,
		ByteIOContext *	dyn_bc,
		int	calculate_checksum,
		uint64_t	startcode
	)			[static]

Definition at line 301 of file nutenc.c.

Referenced by write_headers(), and write_packet().

static void put_s	(	ByteIOContext *	bc,
		int64_t	val
	)			[static]

Definition at line 280 of file nutenc.c.

Referenced by add_info(), and write_mainheader().

static void put_str	(	ByteIOContext *	bc,
		const char *	string
	)			[static]

Stores a string as vb.

Definition at line 273 of file nutenc.c.

Referenced by add_info(), and rv10_write_header().

static void put_tt	(	NUTContext *	nut,
		StreamContext *	nus,
		ByteIOContext *	bc,
		uint64_t	val
	)			[static]

Definition at line 264 of file nutenc.c.

Referenced by write_packet().

static void put_v	(	ByteIOContext *	bc,
		uint64_t	val
	)			[static]

Definition at line 255 of file nutenc.c.

Referenced by put_packet(), put_s(), put_str(), put_tt(), write_globalinfo(), write_mainheader(), write_packet(), write_streamheader(), and write_streaminfo().

static int write_globalinfo	(	NUTContext *	nut,
		ByteIOContext *	bc
	)			[static]

Definition at line 449 of file nutenc.c.

Referenced by write_headers().

static int write_header

(

AVFormatContext *

s

)

[static]

Definition at line 551 of file nutenc.c.

static int write_headers	(	NUTContext *	nut,
		ByteIOContext *	bc
	)			[static]

Definition at line 506 of file nutenc.c.

Referenced by write_header(), write_packet(), and write_trailer().

static void write_mainheader	(	NUTContext *	nut,
		ByteIOContext *	bc
	)			[static]

Definition at line 322 of file nutenc.c.

Referenced by write_headers().

static int write_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)			[static]

Definition at line 640 of file nutenc.c.

static int write_streamheader	(	NUTContext *	nut,
		ByteIOContext *	bc,
		AVStream *	st,
		int	i
	)			[static]

Definition at line 393 of file nutenc.c.

Referenced by write_headers().

static int write_streaminfo	(	NUTContext *	nut,
		ByteIOContext *	bc,
		int	stream_id
	)			[static]

Definition at line 475 of file nutenc.c.

static int write_trailer

(

AVFormatContext *

s

)

[static]

Definition at line 794 of file nutenc.c.

---

Variable Documentation

AVOutputFormat nut_muxer

Initial value:

 {
    "nut",
    NULL_IF_CONFIG_SMALL("NUT format"),
    "video/x-nut",
    "nut",
    sizeof(NUTContext),





    CODEC_ID_MP2,

    CODEC_ID_MPEG4,
    write_header,
    write_packet,
    write_trailer,
    .flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
    .codec_tag= (const AVCodecTag* const []){ff_codec_bmp_tags, ff_codec_wav_tags, ff_nut_subtitle_tags, 0},
    .metadata_conv = ff_nut_metadata_conv,
}

Definition at line 808 of file nutenc.c.