3 * author: Tahseen Mohammad
13 #include <ext/libogg/ogg.h>
15 #define SKELETON_VERSION_MAJOR 3
16 #define SKELETON_VERSION_MINOR 0
17 #define FISHEAD_IDENTIFIER "fishead\0"
18 #define FISBONE_IDENTIFIER "fisbone\0"
19 #define FISHEAD_SIZE 64
20 #define FISBONE_SIZE 52
21 #define FISBONE_MESSAGE_HEADER_OFFSET 44
23 /* fishead_packet holds a fishead header packet. */
25 /* Start time of the presentation.
26 * For a new stream presentationtime & basetime is same. */
27 ogg_int64_t ptime_n; /* presentation time numerator */
28 ogg_int64_t ptime_d; /* presentation time denominator */
29 ogg_int64_t btime_n; /* basetime numerator */
30 ogg_int64_t btime_d; /* basetime denominator */
31 /* will holds the time of origin of the stream, a 20 bit field. */
32 unsigned char UTC[20];
35 /* fisbone_packet holds a fisbone header packet. */
37 ogg_uint32_t serial_no; /* serial no of the corresponding stream */
38 ogg_uint32_t nr_header_packet; /* number of header packets */
39 /* granule rate is the temporal resolution of the logical bitstream */
40 ogg_int64_t granule_rate_n; /* granule rate numerator */
41 ogg_int64_t granule_rate_d; /* granule rate denominator */
42 ogg_int64_t start_granule; /* start granule value */
43 ogg_uint32_t preroll; /* preroll */
44 unsigned char granule_shift; // a 8-bit field /* 1 byte value holding the granule shift */
45 char *message_header_fields; /* holds all the message header fields */
46 /* current total size of the message header fields, for realloc purpose, initially zero */
47 ogg_uint32_t current_header_size;
50 extern int add_message_header_field(fisbone_packet *fp, char *header_key, char *header_value);
51 /* remember to deallocate the returned ogg_packet properly */
52 extern int ogg_from_fishead(fishead_packet *fp,ogg_packet *op);
53 extern int ogg_from_fisbone(fisbone_packet *fp,ogg_packet *op);
54 extern int add_fishead_to_stream(ogg_stream_state *os, fishead_packet *fp);
55 extern int add_fisbone_to_stream(ogg_stream_state *os, fisbone_packet *fp);
56 extern int add_eos_packet_to_stream(ogg_stream_state *os);
57 extern int flush_ogg_stream_to_file(ogg_stream_state *os, FILE *out);
63 #endif /* _SKELETON_H */