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Man Pages


Manual Reference Pages  -  FLV::FILE (3)

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NAME

FLV::File - Parse Flash Video files

CONTENTS

LICENSE

See FLV::Info

METHODS

This is a subclass of FLV::Base.

    READ/WRITE METHODS

$self->empty() Prepare an empty FLV. This is only needed if you do not plan to call the parse() method.
$self->parse($filename)
$self->parse($filehandle) Reads the specified file. If the file does not exist or is an invalid FLV stream, an exception will be thrown via croak().

There is no return value.

$self->clone() Create an independent copy of this instance.
$self->populate_meta() Fill in various onMetadata fields if they are not already present.
$self->serialize($filehandle) Serializes the in-memory FLV data. If that representation is not complete, this throws an exception via croak(). Returns a boolean indicating whether writing to the file handle was successful.

    ACCESSORS

$self->get_info() Returns a hash of FLV metadata. See File::Info for more details.
$self->get_filename() Returns the filename, if any.
$self->get_meta($key);
$self->set_meta($key, $value, ...); These are convenience functions for interacting with an onMetadata tag at time 0, which is a common convention in FLV files. If the zeroth tag is not an FLV::MetaTag instance, one is created and prepended to the tag list.

See also get_meta and set_meta in FLV::Body.

$self->get_header()
$self->get_body() These methods return the FLV::Header and FLV::Body instance, respectively. Those will be undef until you call either empty() or parse().

    PARSING UTILITIES

The following methods are only used during the parsing phase.
$self->get_bytes($n) Reads $n bytes off the active filehandle and returns them as a string. Throws an exception if the filehandle is closed or hits EOF before all the bytes can be read.
$self->get_pos()
$self->get_pos($offset) Returns a string representing the current position in the filehandle. This is intended for use in debugging or exceptions. An example of use: indicate that an input value five bytes behind the read head is erroneous.



    die Error parsing version number at byte .$self->get_pos(-5);



$self->at_end() Returns a boolean indicating if the FLV stream is exhausted. Throws an exception if the filehandle is closed.

AUTHOR

See FLV::Info
Search for    or go to Top of page |  Section 3 |  Main Index


perl v5.20.3 FLV::FILE (3) 2009-03-14

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