libavformat/mpc8.c File Reference

#include "libavcodec/bitstream.h"
#include "libavcodec/unary.h"
#include "avformat.h"

Go to the source code of this file.

Data Structures
struct	MPCContext
Defines
#define	MKMPCTAG(a, b)   (a | (b << 8))
	Two-byte MPC tag.
#define	TAG_MPCK   MKTAG('M','P','C','K')
Enumerations
enum	MPCPacketTags {   TAG_STREAMHDR = MKMPCTAG('S','H'), TAG_STREAMEND = MKMPCTAG('S','E'), TAG_AUDIOPACKET = MKMPCTAG('A','P'), TAG_SEEKTBLOFF = MKMPCTAG('S','O'),   TAG_SEEKTABLE = MKMPCTAG('S','T'), TAG_REPLAYGAIN = MKMPCTAG('R','G'), TAG_ENCINFO = MKMPCTAG('E','I') }
	Reserved MPC tags. More...
Functions
static int	mpc8_probe (AVProbeData *p)
static int64_t	gb_get_v (GetBitContext *gb)
static void	mpc8_get_chunk_header (ByteIOContext *pb, int *tag, int64_t *size)
static void	mpc8_parse_seektable (AVFormatContext *s, int64_t off)
static void	mpc8_handle_chunk (AVFormatContext *s, int tag, int64_t chunk_pos, int64_t size)
static int	mpc8_read_header (AVFormatContext *s, AVFormatParameters *ap)
static int	mpc8_read_packet (AVFormatContext *s, AVPacket *pkt)
static int	mpc8_read_seek (AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
Variables
static const int	mpc8_rate [8] = { 44100, 48000, 37800, 32000, -1, -1, -1, -1 }
AVInputFormat	mpc8_demuxer

---

Define Documentation

#define MKMPCTAG	(	a,
		b		)	(a | (b << 8))

Two-byte MPC tag.

Definition at line 27 of file mpc8.c.

#define TAG_MPCK   MKTAG('M','P','C','K')

Definition at line 29 of file mpc8.c.

Referenced by mpc8_probe(), and mpc8_read_header().

---

Enumeration Type Documentation

enum MPCPacketTags

Reserved MPC tags.

Enumerator:

TAG_STREAMHDR
TAG_STREAMEND
TAG_AUDIOPACKET
TAG_SEEKTBLOFF
TAG_SEEKTABLE
TAG_REPLAYGAIN
TAG_ENCINFO

Definition at line 32 of file mpc8.c.

---

Function Documentation

static int64_t gb_get_v

(

GetBitContext *

gb

)

[inline, static]

Definition at line 61 of file mpc8.c.

Referenced by mpc8_parse_seektable().

static void mpc8_get_chunk_header	(	ByteIOContext *	pb,
		int *	tag,
		int64_t *	size
	)			[static]

Definition at line 76 of file mpc8.c.

Referenced by mpc8_parse_seektable(), mpc8_read_header(), and mpc8_read_packet().

static void mpc8_handle_chunk	(	AVFormatContext *	s,
		int	tag,
		int64_t	chunk_pos,
		int64_t	size
	)			[static]

Definition at line 128 of file mpc8.c.

Referenced by mpc8_read_header(), and mpc8_read_packet().

static void mpc8_parse_seektable	(	AVFormatContext *	s,
		int64_t	off
	)			[static]

Definition at line 85 of file mpc8.c.

Referenced by mpc8_handle_chunk().

static int mpc8_probe

(

AVProbeData *

p

)

[static]

Definition at line 54 of file mpc8.c.

static int mpc8_read_header	(	AVFormatContext *	s,
		AVFormatParameters *	ap
	)			[static]

Definition at line 145 of file mpc8.c.

static int mpc8_read_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)			[static]

Definition at line 200 of file mpc8.c.

static int mpc8_read_seek	(	AVFormatContext *	s,
		int	stream_index,
		int64_t	timestamp,
		int	flags
	)			[static]

Definition at line 223 of file mpc8.c.

---

Variable Documentation

AVInputFormat mpc8_demuxer

Initial value:

 {
    "mpc8",
    NULL_IF_CONFIG_SMALL("Musepack SV8"),
    sizeof(MPCContext),
    mpc8_probe,
    mpc8_read_header,
    mpc8_read_packet,
    NULL,
    mpc8_read_seek,
}

Definition at line 236 of file mpc8.c.

const int mpc8_rate[8] = { 44100, 48000, 37800, 32000, -1, -1, -1, -1 } [static]

Definition at line 45 of file mpc8.c.

Referenced by mpc8_read_header().