//	rmff.h#ifndef	RMFF_H#define	RMFF_H#include	"crosstype.h"#define FOURCC_TAG( ch0, ch1, ch2, ch3 ) \        (((long)(unsigned char)(ch3)       ) | \        ( (long)(unsigned char)(ch2) << 8  ) | \        ( (long)(unsigned char)(ch1) << 16 ) | \        ( (long)(unsigned char)(ch0) << 24 ) )/*#ifndef	unit32_t	#define	uint32_t	(unsigned int)#endif#ifndef	uint16_t#define	uint16_t	(unsigned short)#endif*/#define RMF_TAG   FOURCC_TAG('.', 'R', 'M', 'F')#define PROP_TAG  FOURCC_TAG('P', 'R', 'O', 'P')#define MDPR_TAG  FOURCC_TAG('M', 'D', 'P', 'R')#define CONT_TAG  FOURCC_TAG('C', 'O', 'N', 'T')#define DATA_TAG  FOURCC_TAG('D', 'A', 'T', 'A')#define INDX_TAG  FOURCC_TAG('I', 'N', 'D', 'X')#define PNA_TAG   FOURCC_TAG('P', 'N', 'A',  0 )#define MLTI_TAG  FOURCC_TAG('M', 'L', 'T', 'I')/* prop flags */#define PN_SAVE_ENABLED         0x01#define PN_PERFECT_PLAY_ENABLED 0x02#define PN_LIVE_BROADCAST       0x04/* * rm header data structs * */typedef struct {  unsigned int	 object_id;  uint32_t size;  uint16_t object_version;  uint32_t file_version;  uint32_t num_headers;} rmff_fileheader_t;typedef struct {  uint32_t object_id;  uint32_t size;  uint16_t object_version;  uint32_t max_bit_rate;  uint32_t avg_bit_rate;  uint32_t max_packet_size;  uint32_t avg_packet_size;  uint32_t num_packets;  uint32_t duration;  uint32_t preroll;  uint32_t index_offset;  uint32_t data_offset;  uint16_t num_streams;  uint16_t flags;    } rmff_prop_t;typedef struct {  uint32_t  object_id;  uint32_t  size;  uint16_t  object_version;  uint16_t  stream_number;  uint32_t  max_bit_rate;  uint32_t  avg_bit_rate;  uint32_t  max_packet_size;  uint32_t  avg_packet_size;  uint32_t  start_time;  uint32_t  preroll;  uint32_t  duration;  uint8_t   stream_name_size;  char      *stream_name;  uint8_t   mime_type_size;  char      *mime_type;  uint32_t  type_specific_len;  char      *type_specific_data;  int       mlti_data_size;  char      *mlti_data;} rmff_mdpr_t;typedef	rmff_mdpr_t	*rmff_pmdpr_t;typedef struct {  uint32_t  object_id;  uint32_t  size;  uint16_t  object_version;  uint16_t  title_len;  char      *title;  uint16_t  author_len;  char      *author;  uint16_t  copyright_len;  char      *copyright;  uint16_t  comment_len;  char      *comment;  } rmff_cont_t;typedef struct {    uint32_t object_id;  uint32_t size;  uint16_t object_version;  uint32_t num_packets;  uint32_t next_data_header; /* rarely used */} rmff_data_t;typedef struct {  rmff_fileheader_t *fileheader;  rmff_prop_t *prop;  rmff_mdpr_t **streams;  rmff_cont_t *cont;  rmff_data_t *data;} rmff_header_t;typedef struct {  uint16_t object_version;  uint16_t length;  uint16_t stream_number;  uint32_t timestamp;  uint8_t reserved;  uint8_t flags;} rmff_pheader_t;/* * constructors for header structs */ rmff_fileheader_t *rmff_new_fileheader(uint32_t num_headers);rmff_prop_t *rmff_new_prop (\    uint32_t max_bit_rate,\    uint32_t avg_bit_rate,\    uint32_t max_packet_size,\    uint32_t avg_packet_size,\    uint32_t num_packets,\    uint32_t duration,\    uint32_t preroll,\    uint32_t index_offset,\    uint32_t data_offset,\    uint16_t num_streams,\    uint16_t flags );rmff_mdpr_t *rmff_new_mdpr(    uint16_t   stream_number,\    uint32_t   max_bit_rate,\    uint32_t   avg_bit_rate,\    uint32_t   max_packet_size,\    uint32_t   avg_packet_size,\    uint32_t   start_time,\    uint32_t   preroll,\    uint32_t   duration,\    const char *stream_name,\    const char *mime_type,\    uint32_t   type_specific_len,\    const char *type_specific_data );rmff_cont_t *rmff_new_cont(\    const char *title,\    const char *author,\    const char *copyright,\    const char *comment);rmff_data_t *rmff_new_dataheader(\    uint32_t num_packets, uint32_t next_data_header);/* * reads header infos from data and returns a newly allocated header struct */rmff_header_t *rmff_scan_header(const char *data);/* * scans a data packet header. Notice, that this function does not allocate * the header struct itself. */void rmff_scan_pheader(rmff_pheader_t *h, char *data);/* * reads header infos from stream and returns a newly allocated header struct */rmff_header_t *rmff_scan_header_stream(int fd);/* * prints header information in human readible form to stdout */void rmff_print_header(rmff_header_t *h);/* * does some checks and fixes header if possible */void rmff_fix_header(rmff_header_t *h);/* * returns the size of the header (incl. first data-header) */int rmff_get_header_size(rmff_header_t *h); /* * dumps the header <h> to <buffer>. <max> is the size of <buffer> */int rmff_dump_header(rmff_header_t *h, char *buffer, int max);/* * dumps a packet header */void rmff_dump_pheader(rmff_pheader_t *h, char *data);/* * frees a header struct */void rmff_free_header(rmff_header_t *h);#endif