1
0
Fork 0
mirror of https://github.com/sile/hls_m3u8.git synced 2024-11-26 09:00:58 +00:00

improve ExtXSessionKey

This commit is contained in:
Luro02 2020-03-17 15:48:02 +01:00
parent 4e41585cbd
commit 78edff9341
No known key found for this signature in database
GPG key ID: B66FD4F74501A9CF

View file

@ -9,13 +9,15 @@ use crate::types::{EncryptionMethod, ProtocolVersion};
use crate::utils::tag; use crate::utils::tag;
use crate::{Error, RequiredVersion}; use crate::{Error, RequiredVersion};
/// # [4.3.4.5. EXT-X-SESSION-KEY]
///
/// The [`ExtXSessionKey`] tag allows encryption keys from [`MediaPlaylist`]s /// The [`ExtXSessionKey`] tag allows encryption keys from [`MediaPlaylist`]s
/// to be specified in a [`MasterPlaylist`]. This allows the client to /// to be specified in a [`MasterPlaylist`]. This allows the client to
/// preload these keys without having to read the [`MediaPlaylist`]s /// preload these keys without having to read the [`MediaPlaylist`]s
/// first. /// first.
/// ///
/// If an [`ExtXSessionKey`] is used, the values of [`ExtXKey::method`],
/// [`ExtXKey::key_format`] and [`ExtXKey::key_format_versions`] must match any
/// [`ExtXKey`] with the same uri field.
///
/// [`MediaPlaylist`]: crate::MediaPlaylist /// [`MediaPlaylist`]: crate::MediaPlaylist
/// [`MasterPlaylist`]: crate::MasterPlaylist /// [`MasterPlaylist`]: crate::MasterPlaylist
/// [4.3.4.5. EXT-X-SESSION-KEY]: https://tools.ietf.org/html/rfc8216#section-4.3.4.5 /// [4.3.4.5. EXT-X-SESSION-KEY]: https://tools.ietf.org/html/rfc8216#section-4.3.4.5
@ -70,7 +72,7 @@ impl TryFrom<ExtXKey> for ExtXSessionKey {
} }
/// This tag requires the same [`ProtocolVersion`] that is returned by /// This tag requires the same [`ProtocolVersion`] that is returned by
/// `DecryptionKey::required_version`. /// `ExtXKey::required_version`.
impl RequiredVersion for ExtXSessionKey { impl RequiredVersion for ExtXSessionKey {
fn required_version(&self) -> ProtocolVersion { self.0.required_version() } fn required_version(&self) -> ProtocolVersion { self.0.required_version() }
} }