Struct dash_mpd::Representation

pub struct Representation {

    pub id: Option<String>,
    pub dependencyId: Option<String>,
    pub mimeType: Option<String>,
    pub codecs: Option<String>,
    pub contentType: Option<String>,
    pub profiles: Option<String>,
    pub segmentProfiles: Option<String>,
    pub scanType: Option<String>,
    pub frameRate: Option<String>,
    pub sar: Option<String>,
    pub qualityRanking: Option<u8>,
    pub bandwidth: Option<u64>,
    pub audioSamplingRate: Option<u64>,
    pub maxPlayoutRate: Option<f64>,
    pub codingDependency: Option<bool>,
    pub width: Option<u64>,
    pub height: Option<u64>,
    pub startWithSAP: Option<u64>,
    pub BaseURL: Vec<BaseURL>,
    pub AudioChannelConfiguration: Vec<AudioChannelConfiguration>,
    pub ContentProtection: Vec<ContentProtection>,
    pub FramePacking: Vec<FramePacking>,
    pub mediaStreamStructureId: Option<String>,
    pub SegmentTemplate: Option<SegmentTemplate>,
    pub SegmentBase: Option<SegmentBase>,
    pub SegmentList: Option<SegmentList>,
    pub Resync: Option<Resync>,
    pub href: Option<String>,
}

A representation describes a version of the content, using a specific encoding and bitrate. Streams often have multiple representations with different bitrates, to allow the client to select that most suitable to its network conditions (adaptive bitrate or ABR streaming).

Fields

id: Option<String>

dependencyId: Option<String>

Identifies the base layer representation of this enhancement layer representation. Separation between a base layer and a number of enhancement layers is used by certain content encoding mechanisms, such as HEVC Scalable and Dolby Vision.

mimeType: Option<String>

codecs: Option<String>

An RFC6381 string, https://tools.ietf.org/html/rfc6381

contentType: Option<String>

profiles: Option<String>

segmentProfiles: Option<String>

Specifies the profiles of Segments that are essential to process the Representation. The semantics depend on the value of the @mimeType attribute.

scanType: Option<String>

If present, this attribute is expected to be set to “progressive”.

frameRate: Option<String>

sar: Option<String>

The Sample Aspect Ratio, eg. “1:1”

qualityRanking: Option<u8>

Specifies a quality ranking of this Representation relative to others in the same AdaptationSet. Lower values represent higher quality content. If not present, then no ranking is defined.

bandwidth: Option<u64>

The average bandwidth of the Representation.

audioSamplingRate: Option<u64>

maxPlayoutRate: Option<f64>

Indicates the possibility for accelerated playout allowed by this codec profile and level.

codingDependency: Option<bool>

width: Option<u64>

height: Option<u64>

startWithSAP: Option<u64>

BaseURL: Vec<BaseURL>

AudioChannelConfiguration: Vec<AudioChannelConfiguration>

ContentProtection: Vec<ContentProtection>

FramePacking: Vec<FramePacking>

mediaStreamStructureId: Option<String>

SegmentTemplate: Option<SegmentTemplate>

SegmentBase: Option<SegmentBase>

SegmentList: Option<SegmentList>

Resync: Option<Resync>

href: Option<String>

A “remote resource”, following the XML Linking Language (XLink) specification.

Trait Implementations

impl Clone for Representation

fn clone(&self) -> Representation

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Representation

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

Formats the value using the given formatter.

impl Default for Representation

fn default() -> Representation

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Representationwhere Representation: Default,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Representation

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>where __S: Serializer,

Serialize this value into the given Serde serializer.