/* * This file was ported to MPlayer from xine CVS rmff.h,v 1.3 2003/02/10 22:11:10 */ /* * Copyright (C) 2002 the xine project * * This file is part of xine, a free video player. * * xine is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * xine is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * * * some functions for real media file headers * adopted from joschkas real tools */ #ifndef MPLAYER_RMFF_H #define MPLAYER_RMFF_H #include #include "config.h" #if !HAVE_WINSOCK2_H #include #include #include #else #include #endif #include #include #include #include #include #include #define RMFF_HEADER_SIZE 0x12 #define RMFF_FILEHEADER_SIZE 18 #define RMFF_PROPHEADER_SIZE 50 #define RMFF_MDPRHEADER_SIZE 46 #define RMFF_CONTHEADER_SIZE 18 #define RMFF_DATAHEADER_SIZE 18 #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 ) ) #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 { uint32_t 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 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 to . is the size of */ 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 /* MPLAYER_RMFF_H */