FFmpeg
Macros | Functions | Variables
cdg.c File Reference
#include "avformat.h"
#include "internal.h"

Go to the source code of this file.

Macros

#define CDG_PACKET_SIZE   24
 
#define CDG_COMMAND   0x09
 
#define CDG_MASK   0x3F
 

Functions

static int read_header (AVFormatContext *s)
 
static int read_packet (AVFormatContext *s, AVPacket *pkt)
 

Variables

const AVInputFormat ff_cdg_demuxer
 

Macro Definition Documentation

◆ CDG_PACKET_SIZE

#define CDG_PACKET_SIZE   24

Definition at line 25 of file cdg.c.

◆ CDG_COMMAND

#define CDG_COMMAND   0x09

Definition at line 26 of file cdg.c.

◆ CDG_MASK

#define CDG_MASK   0x3F

Definition at line 27 of file cdg.c.

Function Documentation

◆ read_header()

static int read_header ( AVFormatContext s)
static

75 sectors/sec * 4 packets/sector = 300 packets/sec

Definition at line 29 of file cdg.c.

◆ read_packet()

static int read_packet ( AVFormatContext s,
AVPacket pkt 
)
static

Definition at line 53 of file cdg.c.

Variable Documentation

◆ ff_cdg_demuxer

const AVInputFormat ff_cdg_demuxer
Initial value:
= {
.name = "cdg",
.long_name = NULL_IF_CONFIG_SMALL("CD Graphics"),
.read_header = read_header,
.read_packet = read_packet,
.extensions = "cdg",
}

Definition at line 70 of file cdg.c.

read_header
static int read_header(AVFormatContext *s)
Definition: cdg.c:29
AVFMT_GENERIC_INDEX
#define AVFMT_GENERIC_INDEX
Use generic index building code.
Definition: avformat.h:468
read_packet
static int read_packet(AVFormatContext *s, AVPacket *pkt)
Definition: cdg.c:53
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117