Struct FlvTag

pub struct FlvTag {
    pub timestamp_ms: u32,
    pub stream_id: u32,
    pub data: FlvTagData,
}

An FLV Tag

Tags have different types and thus different data structures. To accommodate this the FlvTagData enum is used.

Defined by:

• video_file_format_spec_v10.pdf (Chapter 1 - The FLV File Format - FLV tags)
• video_file_format_spec_v10_1.pdf (Annex E.4.1 - FLV Tag)

The v10.1 spec adds some additional fields to the tag to accomodate encryption. We dont support this because it is not needed for our use case. (and I suspect it is not used anywhere anymore.)

However if the Tag is encrypted the tag_type will be a larger number (one we dont support), and therefore the FlvTagData::Unknown variant will be used.

Fields

timestamp_ms: u32

A timestamp in milliseconds

stream_id: u32

A stream id

data: FlvTagData

Implementations

impl FlvTag

pub fn demux(reader: &mut Cursor<Bytes>) -> Result<Self>

Demux a FLV tag from the given reader.

The reader will be advanced to the end of the tag.

The reader needs to be a std::io::Cursor with a [Bytes] buffer because we take advantage of zero-copy reading.

Trait Implementations

impl Clone for FlvTag

fn clone(&self) -> FlvTag

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FlvTag

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for FlvTag

fn eq(&self, other: &FlvTag) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for FlvTag