ref: 822ac747bc1da9df628b98553697445f1e59742a
dir: /tools/skeleton.h/
/* * skeleton.h * author: Tahseen Mohammad */ #ifndef _SKELETON_H #define _SKELETON_H #ifdef __cplusplus extern "C" { #endif #ifdef WIN32 #define snprintf _snprintf #endif #include <ogg/ogg.h> #define SKELETON_VERSION_MAJOR 3 #define SKELETON_VERSION_MINOR 0 #define FISHEAD_IDENTIFIER "fishead\0" #define FISBONE_IDENTIFIER "fisbone\0" #define FISHEAD_SIZE 64 #define FISBONE_SIZE 52 #define FISBONE_MESSAGE_HEADER_OFFSET 44 /* fishead_packet holds a fishead header packet. */ typedef struct { ogg_uint16_t version_major; /* skeleton version major */ ogg_uint16_t version_minor; /* skeleton version minor */ /* Start time of the presentation * For a new stream presentationtime & basetime is same. */ ogg_int64_t ptime_n; /* presentation time numerator */ ogg_int64_t ptime_d; /* presentation time denominator */ ogg_int64_t btime_n; /* basetime numerator */ ogg_int64_t btime_d; /* basetime denominator */ /* will holds the time of origin of the stream, a 20 bit field. */ unsigned char UTC[20]; } fishead_packet; /* fisbone_packet holds a fisbone header packet. */ typedef struct { ogg_uint32_t serial_no; /* serial no of the corresponding stream */ ogg_uint32_t nr_header_packet; /* number of header packets */ /* granule rate is the temporal resolution of the logical bitstream */ ogg_int64_t granule_rate_n; /* granule rate numerator */ ogg_int64_t granule_rate_d; /* granule rate denominator */ ogg_int64_t start_granule; /* start granule value */ ogg_uint32_t preroll; /* preroll */ unsigned char granule_shift; /* 1 byte value holding the granule shift */ char *message_header_fields; /* holds all the message header fields */ /* current total size of the message header fields, for realloc purpose, initially zero */ ogg_uint32_t current_header_size; } fisbone_packet; extern int write_ogg_page_to_file(ogg_page *og, FILE *out); extern int add_message_header_field(fisbone_packet *fp, char *header_key, char *header_value); /* remember to deallocate the returned ogg_packet properly */ extern ogg_packet ogg_from_fishead(fishead_packet *fp); extern ogg_packet ogg_from_fisbone(fisbone_packet *fp); extern fishead_packet fishead_from_ogg(ogg_packet *op); extern fisbone_packet fisbone_from_ogg(ogg_packet *op); extern int add_fishead_to_stream(ogg_stream_state *os, fishead_packet *fp); extern int add_fisbone_to_stream(ogg_stream_state *os, fisbone_packet *fp); extern int add_eos_packet_to_stream(ogg_stream_state *os); extern int flush_ogg_stream_to_file(ogg_stream_state *os, FILE *out); #ifdef __cplusplus } #endif #endif /* _SKELETON_H */