libavformat/tty.c File Reference

Tele-typewriter demuxer. More...

#include "libavutil/intreadwrite.h"
#include "libavutil/avstring.h"
#include "libavutil/log.h"
#include "libavutil/dict.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "avformat.h"
#include "internal.h"
#include "sauce.h"

Go to the source code of this file.

Data Structures
struct	TtyDemuxContext
Defines
#define	GET_EFI_META(name, size)
#define	OFFSET(x)   offsetof(TtyDemuxContext, x)
#define	DEC   AV_OPT_FLAG_DECODING_PARAM
Functions
static int	efi_read (AVFormatContext *avctx, uint64_t start_pos)
	Parse EFI header.
static int	read_header (AVFormatContext *avctx, AVFormatParameters *ap)
static int	read_packet (AVFormatContext *avctx, AVPacket *pkt)
Variables
static const AVOption	options []
static const AVClass	tty_demuxer_class
AVInputFormat	ff_tty_demuxer

---

Detailed Description

Tele-typewriter demuxer.

Definition in file tty.c.

---

Define Documentation

#define DEC   AV_OPT_FLAG_DECODING_PARAM

Definition at line 144 of file tty.c.

#define GET_EFI_META	(	name,
		size		)

Value:

len = avio_r8(pb); \
    if (len < 1 || len > size) \
        return -1; \
    if (avio_read(pb, buf, size) == size) { \
        buf[len] = 0; \
        av_dict_set(&avctx->metadata, name, buf, 0); \
    }

Referenced by efi_read().

#define OFFSET

(

x

)

offsetof(TtyDemuxContext, x)

Definition at line 143 of file tty.c.

---

Function Documentation

static int efi_read	(	AVFormatContext *	avctx,
		uint64_t	start_pos
	)			[static]

Parse EFI header.

Definition at line 48 of file tty.c.

Referenced by read_header().

static int read_header	(	AVFormatContext *	avctx,
		AVFormatParameters *	ap
	)			[static]

Definition at line 75 of file tty.c.

static int read_packet	(	AVFormatContext *	avctx,
		AVPacket *	pkt
	)			[static]

Definition at line 120 of file tty.c.

---

Variable Documentation

AVInputFormat ff_tty_demuxer

Initial value:

 {
    .name           = "tty",
    .long_name      = NULL_IF_CONFIG_SMALL("Tele-typewriter"),
    .priv_data_size = sizeof(TtyDemuxContext),
    .read_header    = read_header,
    .read_packet    = read_packet,
    .extensions     = "ans,art,asc,diz,ice,nfo,txt,vt",
    .priv_class     = &tty_demuxer_class,
}

Definition at line 159 of file tty.c.

const AVOption options[] [static]

Initial value:

 {
    { "chars_per_frame", "", 0x42, AV_OPT_TYPE_INT, {.dbl = 6000}, 1, INT_MAX, AV_OPT_FLAG_DECODING_PARAM},
    { "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
    { "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, DEC },
    { NULL },
}

Definition at line 145 of file tty.c.

const AVClass tty_demuxer_class [static]

Initial value:

 {
    .class_name     = "TTY demuxer",
    .item_name      = av_default_item_name,
    .option         = options,
    .version        = LIBAVUTIL_VERSION_INT,
}

Definition at line 152 of file tty.c.