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-rw-r--r--src/skeleton.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/src/skeleton.h b/src/skeleton.h
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--- /dev/null
+++ b/src/skeleton.h
@@ -0,0 +1,78 @@
+/*
+ * skeleton.h
+ * author: Tahseen Mohammad
+ */
+
+#ifndef _SKELETON_H
+#define _SKELETON_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdio.h>
+#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 int ogg_from_fishead(fishead_packet *fp,ogg_packet *op);
+extern int ogg_from_fisbone(fisbone_packet *fp,ogg_packet *op);
+extern int fisbone_clear(fisbone_packet *fp);
+extern int fishead_from_ogg(ogg_packet *op,fishead_packet *fp);
+extern int fisbone_from_ogg(ogg_packet *op,fisbone_packet *fp);
+extern int fishead_from_ogg_page(const ogg_page *og,fishead_packet *fp);
+extern int fisbone_from_ogg_page(const ogg_page *og,fisbone_packet *fp);
+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 */
+
+
+
+
+
+
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