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"
#include "riff.h"

Include dependency graph for nutenc.c:

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. More...
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 463 of file nutenc.c.

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

static void build_elision_headers ( AVFormatContext *  s )

static

Definition at line 116 of file nutenc.c.

Referenced by nut_write_header().

static void build_frame_code ( AVFormatContext *  s )

static

Definition at line 138 of file nutenc.c.

Referenced by nut_write_header().

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

static

Definition at line 783 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 33 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 100 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 757 of file nutenc.c.

Referenced by nut_write_packet().

static int nut_write_header ( AVFormatContext *  s )

static

Definition at line 675 of file nutenc.c.

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

static

Definition at line 802 of file nutenc.c.

static int nut_write_trailer ( AVFormatContext *  s )

static

Definition at line 983 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 309 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 284 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 276 of file nutenc.c.

Referenced by add_info().

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

static

Definition at line 267 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 537 of file nutenc.c.

Referenced by write_headers().

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

static

Definition at line 471 of file nutenc.c.

Referenced by write_headers().

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

static

Definition at line 610 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 565 of file nutenc.c.

Referenced by ffm_is_avail_data(), and nut_write_trailer().

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

static

Definition at line 332 of file nutenc.c.

Referenced by write_headers().

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

static

Definition at line 407 of file nutenc.c.

Referenced by write_headers().

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

static

Definition at line 498 of file nutenc.c.

Referenced by write_headers().

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      = ff_nut_codec_tags,
}

Definition at line 1009 of file nutenc.c.