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FLV::Body(3) |
User Contributed Perl Documentation |
FLV::Body(3) |
FLV::Body - Flash video file data structure
This is a subclass of FLV::Base.
- $self->parse($fileinst)
- Takes a FLV::File instance and extracts the FLV body from the file stream.
This method throws exceptions if the stream is not a valid FLV v1.0 or
v1.1 file.
There is no return value.
- $self->clone()
- Create an independent copy of this instance.
- $self->serialize($filehandle)
- Serializes the in-memory FLV body. If that representation is not complete,
this throws an exception via croak(). Returns a boolean indicating
whether writing to the file handle was successful.
- $self->get_info()
- Returns a hash of FLV metadata. See File::Info for more details.
- $self->get_tags()
- Returns an array of tag instances.
- $self->set_tags(@tags)
- Replace all of the existing tags with new ones. For example, you can
remove all audio from a movie like so:
$body->set_tags(grep {!$_->isa('FLV::AudioTag')} $body->get_tags);
- $self->get_video_frames()
- Returns the video tags (FLV::VideoTag instances) in the FLV stream.
- $self->get_video_keyframes()
- Returns just the video tags which contain keyframe data.
- $self->get_audio_packets()
- Returns the audio tags (FLV::AudioTag instances) in the FLV stream.
- $self->get_meta_tags()
- Returns the meta tags (FLV::MetaTag instances) in the FLV stream.
- $self->last_start_time()
- Returns the start timestamp of the last tag, in milliseconds.
- $self->get_meta($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_value" and
"set_value" in FLV::MetaTag.
- $self->merge_meta()
- Consolidate zero or more meta tags into a single tag. If there are more
than one tags and there are any duplicate keys, the first key takes
precedence.
- $self->make_header()
- Create a new header from the body data.
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