cafdec.c File Reference

Core Audio Format demuxer. More...

#include <inttypes.h>
#include "avformat.h"
#include "internal.h"
#include "isom.h"
#include "mov_chan.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/intfloat.h"
#include "libavutil/dict.h"
#include "caf.h"

Go to the source code of this file.

Data Structures
struct	CafContext

Macros
#define	ALAC_PREAMBLE   12
#define	ALAC_HEADER   36
#define	ALAC_NEW_KUKI   24
#define	_(x)   ((x) >= ' ' ? (x) : ' ')
#define	CAF_MAX_PKT_SIZE   4096

Functions
static int	probe (AVProbeData *p)
static int	read_desc_chunk (AVFormatContext *s)
	Read audio description chunk.
static int	read_kuki_chunk (AVFormatContext *s, int64_t size)
	Read magic cookie chunk.
static int	read_pakt_chunk (AVFormatContext *s, int64_t size)
	Read packet table chunk.
static void	read_info_chunk (AVFormatContext *s, int64_t size)
	Read information chunk.
static int	read_header (AVFormatContext *s)
static int	read_packet (AVFormatContext *s, AVPacket *pkt)
static int	read_seek (AVFormatContext *s, int stream_index, int64_t timestamp, int flags)

Variables
AVInputFormat	ff_caf_demuxer

Detailed Description

Core Audio Format demuxer.

Definition in file cafdec.c.

Macro Definition Documentation

#define ALAC_PREAMBLE   12

Referenced by read_kuki_chunk().

#define ALAC_HEADER   36

Referenced by read_kuki_chunk().

#define ALAC_NEW_KUKI   24

Referenced by read_kuki_chunk().

#define _

(

x

)

((x) >= ' ' ? (x) : ' ')

Referenced by read_header(), and x11grab_read_packet().

#define CAF_MAX_PKT_SIZE   4096

Definition at line 331 of file cafdec.c.

Referenced by read_packet().

Function Documentation

static int probe ( AVProbeData *  p )

static

Definition at line 51 of file cafdec.c.

static int read_desc_chunk ( AVFormatContext *  s )

static

Read audio description chunk.

Definition at line 59 of file cafdec.c.

Referenced by read_header().

static int read_kuki_chunk ( AVFormatContext *  s, int64_t  size  )

static

Read magic cookie chunk.

Definition at line 99 of file cafdec.c.

Referenced by read_header().

static int read_pakt_chunk ( AVFormatContext *  s, int64_t  size  )

static

Read packet table chunk.

Definition at line 166 of file cafdec.c.

Referenced by read_header().

static void read_info_chunk ( AVFormatContext *  s, int64_t  size  )

static

Read information chunk.

Definition at line 202 of file cafdec.c.

Referenced by read_header().

static int read_header ( AVFormatContext *  s )

static

Definition at line 216 of file cafdec.c.

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

static

Definition at line 333 of file cafdec.c.

static int read_seek ( AVFormatContext *  s, int  stream_index, int64_t  timestamp, int  flags  )

static

Definition at line 389 of file cafdec.c.

Variable Documentation

AVInputFormat ff_caf_demuxer

Initial value:

= {
    .name           = "caf",
    .long_name      = NULL_IF_CONFIG_SMALL("Apple CAF (Core Audio Format)"),
    .priv_data_size = sizeof(CafContext),
    .read_probe     = probe,
    .read_header    = read_header,
    .read_packet    = read_packet,
    .read_seek      = read_seek,
    .codec_tag      = (const AVCodecTag* const []){ ff_codec_caf_tags, 0 },
}

Definition at line 422 of file cafdec.c.