libavformat/mpc8.c File Reference

#include "libavcodec/get_bits.h"
#include "libavcodec/unary.h"
#include "avformat.h"
#include "internal.h"
#include "avio_internal.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 int64_t	bs_get_v (uint8_t **bs)
static int	mpc8_probe (AVProbeData *p)
static int64_t	gb_get_v (GetBitContext *gb)
static void	mpc8_get_chunk_header (AVIOContext *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	ff_mpc8_demuxer

---

Define Documentation

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

Two-byte MPC tag.

Definition at line 29 of file mpc8.c.

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

Definition at line 31 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 34 of file mpc8.c.

---

Function Documentation

static int64_t bs_get_v

(

uint8_t **

bs

)

[inline, static]

Definition at line 56 of file mpc8.c.

Referenced by mpc8_probe().

static int64_t gb_get_v

(

GetBitContext *

gb

)

[inline, static]

Definition at line 107 of file mpc8.c.

Referenced by mpc8_parse_seektable().

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

Definition at line 122 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 174 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 131 of file mpc8.c.

Referenced by mpc8_handle_chunk().

static int mpc8_probe

(

AVProbeData *

p

)

[static]

Definition at line 74 of file mpc8.c.

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

Definition at line 191 of file mpc8.c.

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

Definition at line 246 of file mpc8.c.

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

Definition at line 271 of file mpc8.c.

---

Variable Documentation

AVInputFormat ff_mpc8_demuxer

Initial value:

 {
    .name           = "mpc8",
    .long_name      = NULL_IF_CONFIG_SMALL("Musepack SV8"),
    .priv_data_size = sizeof(MPCContext),
    .read_probe     = mpc8_probe,
    .read_header    = mpc8_read_header,
    .read_packet    = mpc8_read_packet,
    .read_seek      = mpc8_read_seek,
}

Definition at line 285 of file mpc8.c.

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

Definition at line 47 of file mpc8.c.

Referenced by mpc8_read_header().