libavformat/nutenc.c File Reference

#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/tree.h"
#include "libavutil/dict.h"
#include "libavutil/avassert.h"
#include "libavcodec/mpegaudiodata.h"
#include "nut.h"
#include "internal.h"
#include "avio_internal.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 void	put_tt (NUTContext *nut, AVRational *time_base, AVIOContext *bc, uint64_t val)
static void	put_str (AVIOContext *bc, const char *string)
	Store a string as vb.
static void	put_s (AVIOContext *bc, int64_t val)
static void	put_packet (NUTContext *nut, AVIOContext *bc, AVIOContext *dyn_bc, int calculate_checksum, uint64_t startcode)
static void	write_mainheader (NUTContext *nut, AVIOContext *bc)
static int	write_streamheader (AVFormatContext *avctx, AVIOContext *bc, AVStream *st, int i)
static int	add_info (AVIOContext *bc, const char *type, const char *value)
static int	write_globalinfo (NUTContext *nut, AVIOContext *bc)
static int	write_streaminfo (NUTContext *nut, AVIOContext *bc, int stream_id)
static int	write_chapter (NUTContext *nut, AVIOContext *bc, int id)
static int	write_index (NUTContext *nut, AVIOContext *bc)
static int	write_headers (AVFormatContext *avctx, AVIOContext *bc)
static int	nut_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	nut_write_packet (AVFormatContext *s, AVPacket *pkt)
static int	nut_write_trailer (AVFormatContext *s)
Variables
AVOutputFormat	ff_nut_muxer

---

Function Documentation

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

Definition at line 429 of file nutenc.c.

Referenced by write_chapter(), write_globalinfo(), and write_streaminfo().

static void build_elision_headers

(

AVFormatContext *

s

)

[static]

Definition at line 112 of file nutenc.c.

Referenced by nut_write_header().

static void build_frame_code

(

AVFormatContext *

s

)

[static]

Definition at line 133 of file nutenc.c.

Referenced by nut_write_header().

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

Definition at line 726 of file nutenc.c.

Referenced by nut_write_packet().

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

Definition at line 32 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 93 of file nutenc.c.

Referenced by build_frame_code().

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

Definition at line 708 of file nutenc.c.

Referenced by nut_write_packet().

static int nut_write_header

(

AVFormatContext *

s

)

[static]

Definition at line 632 of file nutenc.c.

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

Definition at line 745 of file nutenc.c.

static int nut_write_trailer

(

AVFormatContext *

s

)

[static]

Definition at line 920 of file nutenc.c.

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

Definition at line 285 of file nutenc.c.

Referenced by nut_write_packet(), nut_write_trailer(), and write_headers().

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

Definition at line 264 of file nutenc.c.

Referenced by add_info(), write_chapter(), and write_mainheader().

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

Store a string as vb.

Definition at line 257 of file nutenc.c.

Referenced by add_info(), and rv10_write_header().

static void put_tt	(	NUTContext *	nut,
		AVRational *	time_base,
		AVIOContext *	bc,
		uint64_t	val
	)			[static]

Definition at line 248 of file nutenc.c.

Referenced by nut_write_packet(), write_chapter(), and write_index().

static int write_chapter	(	NUTContext *	nut,
		AVIOContext *	bc,
		int	id
	)			[static]

Definition at line 496 of file nutenc.c.

Referenced by write_headers().

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

Definition at line 436 of file nutenc.c.

Referenced by write_headers().

static int write_headers	(	AVFormatContext *	avctx,
		AVIOContext *	bc
	)			[static]

Definition at line 569 of file nutenc.c.

Referenced by nut_write_header(), nut_write_packet(), and nut_write_trailer().

static int write_index	(	NUTContext *	nut,
		AVIOContext *	bc
	)			[static]

Definition at line 524 of file nutenc.c.

Referenced by ffm_is_avail_data(), finish_chunk(), nut_write_trailer(), and write_header().

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

Definition at line 306 of file nutenc.c.

Referenced by write_headers().

static int write_streamheader	(	AVFormatContext *	avctx,
		AVIOContext *	bc,
		AVStream *	st,
		int	i
	)			[static]

Definition at line 377 of file nutenc.c.

Referenced by write_headers().

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

Definition at line 462 of file nutenc.c.

---

Variable Documentation

AVOutputFormat ff_nut_muxer

Initial value:

 {
    .name           = "nut",
    .long_name      = NULL_IF_CONFIG_SMALL("NUT"),
    .mime_type      = "video/x-nut",
    .extensions     = "nut",
    .priv_data_size = sizeof(NUTContext),
    .audio_codec    = CONFIG_LIBVORBIS ? AV_CODEC_ID_VORBIS :
                      CONFIG_LIBMP3LAME ? AV_CODEC_ID_MP3 : AV_CODEC_ID_MP2,
    .video_codec    = AV_CODEC_ID_MPEG4,
    .write_header   = nut_write_header,
    .write_packet   = nut_write_packet,
    .write_trailer  = nut_write_trailer,
    .flags          = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
    .codec_tag      = (const AVCodecTag * const []){
        ff_codec_bmp_tags, ff_nut_video_tags, ff_codec_wav_tags,
        ff_nut_subtitle_tags, 0
    },
}

Definition at line 945 of file nutenc.c.