package ogg
-
ogg.decoder
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Library
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* The page
struct encapsulates the data for an Ogg page. * * Ogg pages are the fundamental unit of framing and interleave in an ogg * bitstream. They are made up of packet segments of 255 bytes each. There can * be as many as 255 packet segments per page, for a maximum page size of a * little under 64 kB. This is not a practical limitation as the segments can be * joined across page boundaries allowing packets of arbitrary size. In practice * pages are usually around 4 kB.
val serialno : t -> nativeint
* Returns the unique serial number for the logical bitstream of this page. * Each page contains the serial number for the logical bitstream that it belongs to.
val eos : t -> bool
* Indicates whether this page is at the end of the logical bitstream.
val bos : t -> bool
* Indicates whether this page is at the begining of the logical bitstream.
val continued : t -> bool
* Indicates whether this page contains packet data which has been * continued from the previous page.
val packets : t -> int
* Returns the number of packets that are completed on this page. * If the leading packet is begun on a previous page, but ends on this page, it's counted. * * If a page consists of a packet begun on a previous page, and a new packet begun * (but not completed) on this page, the return will be: * * packets page
will return 1
, * continued paged
will return true
* * If a page happens to be a single packet that was begun on a previous page, * and spans to the next page (in the case of a three or more page packet), the return will be: * * packets page
will return 0, * continued page
will return true
.
val version : t -> int
* This function returns the version of ogg_page used in this page. * In current versions of libogg, all ogg_page structs have the same version, * so 0
should always be returned.
* Returns the exact granular position of the packet data contained at the end of this page. * * This is useful for tracking location when seeking or decoding. * * For example, in audio codecs this position is the pcm sample number and * in video this is the frame number.
val pageno : t -> nativeint
* Returns the sequential page number. * * This is useful for ordering pages or determining when pages have been lost.
val set_checksum : t -> unit
* Checksums an ogg_page.