4xm.c File Reference

4X Technologies file demuxer by Mike Melanson (melan.nosp@m.son@.nosp@m.pcisy.nosp@m.s.ne.nosp@m.t) for more information on the .4xm file format, visit: http://www.pcisys.net/~melanson/codecs/ More...

#include "libavutil/intreadwrite.h"
#include "libavutil/intfloat.h"
#include "libavcodec/internal.h"
#include "avformat.h"
#include "internal.h"

Classes
struct	AudioTrack
struct	FourxmDemuxContext

Macros
#define	RIFF_TAG   MKTAG('R', 'I', 'F', 'F')
#define	FOURXMV_TAG   MKTAG('4', 'X', 'M', 'V')
#define	LIST_TAG   MKTAG('L', 'I', 'S', 'T')
#define	HEAD_TAG   MKTAG('H', 'E', 'A', 'D')
#define	TRK__TAG   MKTAG('T', 'R', 'K', '_')
#define	MOVI_TAG   MKTAG('M', 'O', 'V', 'I')
#define	VTRK_TAG   MKTAG('V', 'T', 'R', 'K')
#define	STRK_TAG   MKTAG('S', 'T', 'R', 'K')
#define	std__TAG   MKTAG('s', 't', 'd', '_')
#define	name_TAG   MKTAG('n', 'a', 'm', 'e')
#define	vtrk_TAG   MKTAG('v', 't', 'r', 'k')
#define	strk_TAG   MKTAG('s', 't', 'r', 'k')
#define	ifrm_TAG   MKTAG('i', 'f', 'r', 'm')
#define	pfrm_TAG   MKTAG('p', 'f', 'r', 'm')
#define	cfrm_TAG   MKTAG('c', 'f', 'r', 'm')
#define	ifr2_TAG   MKTAG('i', 'f', 'r', '2')
#define	pfr2_TAG   MKTAG('p', 'f', 'r', '2')
#define	cfr2_TAG   MKTAG('c', 'f', 'r', '2')
#define	snd__TAG   MKTAG('s', 'n', 'd', '_')
#define	vtrk_SIZE   0x44
#define	strk_SIZE   0x28
#define	GET_LIST_HEADER()

Typedefs
typedef struct AudioTrack	AudioTrack
typedef struct FourxmDemuxContext	FourxmDemuxContext

Variables
AVInputFormat	ff_fourxm_demuxer

Detailed Description

4X Technologies file demuxer by Mike Melanson (melan.nosp@m.son@.nosp@m.pcisy.nosp@m.s.ne.nosp@m.t) for more information on the .4xm file format, visit: http://www.pcisys.net/~melanson/codecs/

Macro Definition Documentation

GET_LIST_HEADER

#define GET_LIST_HEADER

(

)

Value:

fourcc_tag = avio_rl32(pb); \
    size       = avio_rl32(pb); \
    if (fourcc_tag != LIST_TAG) \
        return AVERROR_INVALIDDATA; \
    fourcc_tag = avio_rl32(pb);

Variable Documentation

ff_fourxm_demuxer

AVInputFormat ff_fourxm_demuxer

Initial value:

= {
    .name           = "4xm",
    .long_name      = NULL_IF_CONFIG_SMALL("4X Technologies"),
    .priv_data_size = sizeof(FourxmDemuxContext),
    .read_probe     = fourxm_probe,
    .read_header    = fourxm_read_header,
    .read_packet    = fourxm_read_packet,
    .read_close     = fourxm_read_close,
}