net/hlssink3: Add hlssink4

`hlssink4` adds support for the following as per RFC 8216

- Multivariant/master playlist
- Alternate Renditions
- Variant Streams

net/hlssink3/Cargo.toml

@@ -16,12 +16,12 @@ once_cell = "1.7.2"
 m3u8-rs = "5.0"
 chrono = "0.4"
 sprintf = "0.1.3"
+gst-pbutils = { workspace = true, features = ["v1_22"] }
 
 [dev-dependencies]
 gst-audio.workspace = true
 gst-video.workspace = true
 gst-check.workspace = true
-gst-pbutils = { workspace = true, features = ["v1_20"] }
 m3u8-rs = "5.0"
 anyhow = "1"
 

net/hlssink3/src/hlssink4/mod.rs

@@ -0,0 +1,88 @@
+// Copyright (C) 2024, asymptotic.io
+//      Author: Sanchayan Maity <sanchayan@asymptotic.io>
+//
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
+//
+// SPDX-License-Identifier: MPL-2.0
+
+use gst::glib;
+use gst::prelude::*;
+
+mod imp;
+
+#[derive(Debug, Default, Eq, PartialEq, Ord, PartialOrd, Hash, Clone, Copy, glib::Enum)]
+#[repr(u32)]
+#[enum_type(name = "GstHlsSink4MuxerType")]
+#[non_exhaustive]
+pub enum HlsSink4MuxerType {
+    #[default]
+    #[enum_value(name = "cmaf", nick = "cmaf")]
+    Cmaf = 0,
+
+    #[enum_value(name = "mpegts", nick = "mpegts")]
+    MpegTs = 1,
+}
+
+#[derive(Debug, Default, Eq, PartialEq, Ord, PartialOrd, Hash, Clone, Copy, glib::Enum)]
+#[repr(u32)]
+#[enum_type(name = "GstHlsSink4AlternativeMediaType")]
+#[non_exhaustive]
+pub enum HlsSink4AlternativeMediaType {
+    #[default]
+    #[enum_value(name = "AUDIO", nick = "audio")]
+    Audio = 0,
+
+    #[enum_value(name = "VIDEO", nick = "video")]
+    Video = 1,
+}
+
+#[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash, Clone, Copy, glib::Enum)]
+#[repr(u32)]
+#[enum_type(name = "GstHlsSink4PlaylistType")]
+#[non_exhaustive]
+pub enum HlsSink4PlaylistType {
+    #[enum_value(
+        name = "Unspecified: The tag `#EXT-X-PLAYLIST-TYPE` won't be present in the playlist during the pipeline processing.",
+        nick = "unspecified"
+    )]
+    Unspecified = 0,
+
+    #[enum_value(
+        name = "Event: No segments will be removed from the playlist. At the end of the processing, the tag `#EXT-X-ENDLIST` is added to the playlist. The tag `#EXT-X-PLAYLIST-TYPE:EVENT` will be present in the playlist.",
+        nick = "event"
+    )]
+    Event = 1,
+
+    #[enum_value(
+        name = "Vod: The playlist behaves like the `event` option (a live event), but at the end of the processing, the playlist will be set to `#EXT-X-PLAYLIST-TYPE:VOD`.",
+        nick = "vod"
+    )]
+    Vod = 2,
+}
+
+glib::wrapper! {
+    pub struct HlsSink4(ObjectSubclass<imp::HlsSink4>) @extends gst::Bin, gst::Element, gst::Object;
+}
+
+glib::wrapper! {
+    pub(crate) struct HlsSink4Pad(ObjectSubclass<imp::HlsSink4Pad>) @extends gst::GhostPad, gst::ProxyPad, gst::Pad, gst::Object;
+}
+
+pub fn register(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {
+    #[cfg(feature = "doc")]
+    {
+        HlsSink4MuxerType::static_type().mark_as_plugin_api(gst::PluginAPIFlags::empty());
+        HlsSink4PlaylistType::static_type().mark_as_plugin_api(gst::PluginAPIFlags::empty());
+        HlsSink4AlternativeMediaType::static_type()
+            .mark_as_plugin_api(gst::PluginAPIFlags::empty());
+    }
+
+    gst::Element::register(
+        Some(plugin),
+        "hlssink4",
+        gst::Rank::NONE,
+        HlsSink4::static_type(),
+    )
+}

net/hlssink3/src/lib.rs

@@ -17,6 +17,7 @@ use gst::glib;
 mod basesink;
 pub mod hlscmafsink;
 pub mod hlssink3;
+pub mod hlssink4;
 mod playlist;
 
 glib::wrapper! {
@@ -30,6 +31,7 @@ pub fn plugin_init(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {
     }
 
     hlssink3::register(plugin)?;
+    hlssink4::register(plugin)?;
     hlscmafsink::register(plugin)?;
 
     Ok(())