mpc8.c File Reference

#include "libavcodec/get_bits.h"
#include "libavcodec/unary.h"
#include "apetag.h"
#include "avformat.h"
#include "demux.h"
#include "internal.h"
#include "avio_internal.h"

Go to the source code of this file.

Data Structures
struct	MPCContext

Macros
#define	MKMPCTAG(a, b)   ((a) | ((b) << 8))
	Two-byte MPC tag. More...
#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 (const uint8_t **bs)
static int	mpc8_probe (const AVProbeData *p)
static int64_t	gb_get_v (GetBitContext *gb)
static void	mpc8_get_chunk_header (AVIOContext *pb, int *tag, int64_t *size)
static int	mpc8_parse_seektable (AVFormatContext *s, int64_t off)
static int	mpc8_handle_chunk (AVFormatContext *s, int tag, int64_t chunk_pos, int64_t size)
static int	mpc8_read_header (AVFormatContext *s)
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 }
const AVInputFormat	ff_mpc8_demuxer

Macro Definition Documentation

MKMPCTAG

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

Two-byte MPC tag.

Definition at line 31 of file mpc8.c.

TAG_MPCK

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

Definition at line 33 of file mpc8.c.

Enumeration Type Documentation

MPCPacketTags

enum MPCPacketTags

Reserved MPC tags.

Enumerator
TAG_STREAMHDR
TAG_STREAMEND
TAG_AUDIOPACKET
TAG_SEEKTBLOFF
TAG_SEEKTABLE
TAG_REPLAYGAIN
TAG_ENCINFO

Definition at line 36 of file mpc8.c.

Function Documentation

bs_get_v()

static int64_t bs_get_v ( const uint8_t **  bs )

inlinestatic

Definition at line 59 of file mpc8.c.

Referenced by mpc8_probe().

mpc8_probe()

static int mpc8_probe ( const AVProbeData *  p )

static

Definition at line 77 of file mpc8.c.

gb_get_v()

static int64_t gb_get_v ( GetBitContext *  gb )

inlinestatic

Definition at line 110 of file mpc8.c.

Referenced by mpc8_parse_seektable().

mpc8_get_chunk_header()

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

static

Definition at line 125 of file mpc8.c.

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

mpc8_parse_seektable()

static int mpc8_parse_seektable ( AVFormatContext *  s, int64_t  off  )

static

Definition at line 138 of file mpc8.c.

Referenced by mpc8_handle_chunk().

mpc8_handle_chunk()

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

static

Definition at line 212 of file mpc8.c.

Referenced by mpc8_read_header(), and mpc8_read_packet().

mpc8_read_header()

static int mpc8_read_header ( AVFormatContext *  s )

static

Definition at line 236 of file mpc8.c.

mpc8_read_packet()

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

static

Definition at line 307 of file mpc8.c.

mpc8_read_seek()

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

static

Definition at line 337 of file mpc8.c.

Variable Documentation

mpc8_rate

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

static

Definition at line 49 of file mpc8.c.

Referenced by mpc8_read_header().

ff_mpc8_demuxer

const 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 351 of file mpc8.c.