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HLS video playback

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Signed-off-by: Adrian Lebioda <adrianlebioda@gmail.com>
This commit is contained in:
Adrian Lebioda
2021-04-03 20:15:57 +02:00
parent 3b53e5be4c
commit a689bded77
10 changed files with 195 additions and 18 deletions
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21
src/client.rs
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@@ -13,10 +13,10 @@ pub async fn proxy(req: Request<Body>, format: &str) -> Result<Response<Body>, S
url = url.replace(&format!("{{{}}}", name), value); url = url.replace(&format!("{{{}}}", name), value);
} }
stream(&url).await stream(&url, &req).await
} }
async fn stream(url: &str) -> Result<Response<Body>, String> { async fn stream(url: &str, req: &Request<Body>) -> Result<Response<Body>, String> {
// First parameter is target URL (mandatory). // First parameter is target URL (mandatory).
let url = Uri::from_str(url).map_err(|_| "Couldn't parse URL".to_string())?; let url = Uri::from_str(url).map_err(|_| "Couldn't parse URL".to_string())?;
@@ -26,8 +26,21 @@ async fn stream(url: &str) -> Result<Response<Body>, String> {
// Build the hyper client from the HTTPS connector. // Build the hyper client from the HTTPS connector.
let client: client::Client<_, hyper::Body> = client::Client::builder().build(https); let client: client::Client<_, hyper::Body> = client::Client::builder().build(https);
let mut builder = Request::get(url);
// Copy useful headers from original request
let headers = req.headers();
let headers_keys = vec!["Range", "If-Modified-Since", "Cache-Control"];
for key in headers_keys {
if let Some(value) = headers.get(key) {
builder = builder.header(key, value);
}
}
let stream_request = builder.body(Body::default()).expect("stream");
client client
.get(url) .request(stream_request)
.await .await
.map(|mut res| { .map(|mut res| {
let mut rm = |key: &str| res.headers_mut().remove(key); let mut rm = |key: &str| res.headers_mut().remove(key);
@@ -40,6 +53,8 @@ async fn stream(url: &str) -> Result<Response<Body>, String> {
rm("x-cdn-client-region"); rm("x-cdn-client-region");
rm("x-cdn-name"); rm("x-cdn-name");
rm("x-cdn-server-region"); rm("x-cdn-server-region");
rm("x-reddit-cdn");
rm("x-reddit-video-features");
res res
}) })

7
src/main.rs
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@@ -139,7 +139,7 @@ async fn main() {
"Referrer-Policy" => "no-referrer", "Referrer-Policy" => "no-referrer",
"X-Content-Type-Options" => "nosniff", "X-Content-Type-Options" => "nosniff",
"X-Frame-Options" => "DENY", "X-Frame-Options" => "DENY",
"Content-Security-Policy" => "default-src 'none'; manifest-src 'self'; media-src 'self'; style-src 'self' 'unsafe-inline'; base-uri 'none'; img-src 'self' data:; form-action 'self'; frame-ancestors 'none';" "Content-Security-Policy" => "default-src 'none'; script-src 'self' blob:; manifest-src 'self'; media-src 'self' data: blob: about:; style-src 'self' 'unsafe-inline'; base-uri 'none'; img-src 'self' data:; form-action 'self'; frame-ancestors 'none'; connect-src 'self'; worker-src blob:;"
}; };
if let Some(expire_time) = hsts { if let Some(expire_time) = hsts {
@@ -158,15 +158,20 @@ async fn main() {
app.at("/logo.png").get(|_| pwa_logo().boxed()); app.at("/logo.png").get(|_| pwa_logo().boxed());
app.at("/touch-icon-iphone.png").get(|_| iphone_logo().boxed()); app.at("/touch-icon-iphone.png").get(|_| iphone_logo().boxed());
app.at("/apple-touch-icon.png").get(|_| iphone_logo().boxed()); app.at("/apple-touch-icon.png").get(|_| iphone_logo().boxed());
app
.at("/playHLSVideo.js")
.get(|_| resource(include_str!("../static/playHLSVideo.js"), "text/javascript", false).boxed());
// Proxy media through Libreddit // Proxy media through Libreddit
app.at("/vid/:id/:size").get(|r| proxy(r, "https://v.redd.it/{id}/DASH_{size}").boxed()); app.at("/vid/:id/:size").get(|r| proxy(r, "https://v.redd.it/{id}/DASH_{size}").boxed());
app.at("/hls/:id/*path").get(|r| proxy(r, "https://v.redd.it/{id}/{path}").boxed());
app.at("/img/:id").get(|r| proxy(r, "https://i.redd.it/{id}").boxed()); app.at("/img/:id").get(|r| proxy(r, "https://i.redd.it/{id}").boxed());
app.at("/thumb/:point/:id").get(|r| proxy(r, "https://{point}.thumbs.redditmedia.com/{id}").boxed()); app.at("/thumb/:point/:id").get(|r| proxy(r, "https://{point}.thumbs.redditmedia.com/{id}").boxed());
app.at("/emoji/:id/:name").get(|r| proxy(r, "https://emoji.redditmedia.com/{id}/{name}").boxed()); app.at("/emoji/:id/:name").get(|r| proxy(r, "https://emoji.redditmedia.com/{id}/{name}").boxed());
app.at("/preview/:loc/:id/:query").get(|r| proxy(r, "https://{loc}view.redd.it/{id}?{query}").boxed()); app.at("/preview/:loc/:id/:query").get(|r| proxy(r, "https://{loc}view.redd.it/{id}?{query}").boxed());
app.at("/style/*path").get(|r| proxy(r, "https://styles.redditmedia.com/{path}").boxed()); app.at("/style/*path").get(|r| proxy(r, "https://styles.redditmedia.com/{path}").boxed());
app.at("/static/*path").get(|r| proxy(r, "https://www.redditstatic.com/{path}").boxed()); app.at("/static/*path").get(|r| proxy(r, "https://www.redditstatic.com/{path}").boxed());
app.at("/hls.js").get(|r| proxy(r, "https://cdn.jsdelivr.net/npm/hls.js@latest").boxed());
// Browse user profile // Browse user profile
app app

1
src/post.rs
View File

@@ -106,6 +106,7 @@ async fn parse_post(json: &serde_json::Value) -> Post {
media, media,
thumbnail: Media { thumbnail: Media {
url: format_url(val(post, "thumbnail").as_str()), url: format_url(val(post, "thumbnail").as_str()),
alt_url: String::new(),
width: post["data"]["thumbnail_width"].as_i64().unwrap_or_default(), width: post["data"]["thumbnail_width"].as_i64().unwrap_or_default(),
height: post["data"]["thumbnail_height"].as_i64().unwrap_or_default(), height: post["data"]["thumbnail_height"].as_i64().unwrap_or_default(),
poster: "".to_string(), poster: "".to_string(),

14
src/settings.rs
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@@ -50,7 +50,7 @@ pub async fn set(req: Request<Body>) -> Result<Response<Body>, String> {
let mut res = redirect("/settings".to_string()); let mut res = redirect("/settings".to_string());
let names = vec!["theme", "front_page", "layout", "wide", "comment_sort", "post_sort", "show_nsfw"]; let names = vec!["theme", "front_page", "layout", "wide", "comment_sort", "post_sort", "show_nsfw", "use_hls"];
for name in names { for name in names {
match form.get(name) { match form.get(name) {
@@ -85,7 +85,17 @@ pub async fn restore(req: Request<Body>) -> Result<Response<Body>, String> {
let form = url::form_urlencoded::parse(query).collect::<HashMap<_, _>>(); let form = url::form_urlencoded::parse(query).collect::<HashMap<_, _>>();
let names = vec!["theme", "front_page", "layout", "wide", "comment_sort", "post_sort", "show_nsfw", "subscriptions"]; let names = vec![
"theme",
"front_page",
"layout",
"wide",
"comment_sort",
"post_sort",
"show_nsfw",
"use_hls",
"subscriptions",
];
let path = match form.get("redirect") { let path = match form.get("redirect") {
Some(value) => format!("/{}/", value), Some(value) => format!("/{}/", value),

67
src/utils.rs
View File

@@ -75,6 +75,7 @@ pub struct Flags {
pub struct Media { pub struct Media {
pub url: String, pub url: String,
pub alt_url: String,
pub width: i64, pub width: i64,
pub height: i64, pub height: i64,
pub poster: String, pub poster: String,
@@ -85,12 +86,28 @@ impl Media {
let mut gallery = Vec::new(); let mut gallery = Vec::new();
// If post is a video, return the video // If post is a video, return the video
let (post_type, url_val) = if data["preview"]["reddit_video_preview"]["fallback_url"].is_string() { let (post_type, url_val, alt_url_val) = if data["preview"]["reddit_video_preview"]["fallback_url"].is_string() {
// Return reddit video // Return reddit video
("video", &data["preview"]["reddit_video_preview"]["fallback_url"]) (
if data["preview"]["reddit_video_preview"]["is_gif"].as_bool().unwrap_or(false) {
"gif"
} else {
"video"
},
&data["preview"]["reddit_video_preview"]["fallback_url"],
Some(&data["preview"]["reddit_video_preview"]["hls_url"]),
)
} else if data["secure_media"]["reddit_video"]["fallback_url"].is_string() { } else if data["secure_media"]["reddit_video"]["fallback_url"].is_string() {
// Return reddit video // Return reddit video
("video", &data["secure_media"]["reddit_video"]["fallback_url"]) (
if data["preview"]["reddit_video_preview"]["is_gif"].as_bool().unwrap_or(false) {
"gif"
} else {
"video"
},
&data["secure_media"]["reddit_video"]["fallback_url"],
Some(&data["secure_media"]["reddit_video"]["hls_url"]),
)
} else if data["post_hint"].as_str().unwrap_or("") == "image" { } else if data["post_hint"].as_str().unwrap_or("") == "image" {
// Handle images, whether GIFs or pics // Handle images, whether GIFs or pics
let preview = &data["preview"]["images"][0]; let preview = &data["preview"]["images"][0];
@@ -98,26 +115,26 @@ impl Media {
if mp4.is_object() { if mp4.is_object() {
// Return the mp4 if the media is a gif // Return the mp4 if the media is a gif
("gif", &mp4["source"]["url"]) ("gif", &mp4["source"]["url"], None)
} else { } else {
// Return the picture if the media is an image // Return the picture if the media is an image
if data["domain"] == "i.redd.it" { if data["domain"] == "i.redd.it" {
("image", &data["url"]) ("image", &data["url"], None)
} else { } else {
("image", &preview["source"]["url"]) ("image", &preview["source"]["url"], None)
} }
} }
} else if data["is_self"].as_bool().unwrap_or_default() { } else if data["is_self"].as_bool().unwrap_or_default() {
// If type is self, return permalink // If type is self, return permalink
("self", &data["permalink"]) ("self", &data["permalink"], None)
} else if data["is_gallery"].as_bool().unwrap_or_default() { } else if data["is_gallery"].as_bool().unwrap_or_default() {
// If this post contains a gallery of images // If this post contains a gallery of images
gallery = GalleryMedia::parse(&data["gallery_data"]["items"], &data["media_metadata"]); gallery = GalleryMedia::parse(&data["gallery_data"]["items"], &data["media_metadata"]);
("gallery", &data["url"]) ("gallery", &data["url"], None)
} else { } else {
// If type can't be determined, return url // If type can't be determined, return url
("link", &data["url"]) ("link", &data["url"], None)
}; };
let source = &data["preview"]["images"][0]["source"]; let source = &data["preview"]["images"][0]["source"];
@@ -128,10 +145,13 @@ impl Media {
format_url(url_val.as_str().unwrap_or_default()) format_url(url_val.as_str().unwrap_or_default())
}; };
let alt_url = alt_url_val.map_or(String::new(), |val| format_url(val.as_str().unwrap_or_default()));
( (
post_type.to_string(), post_type.to_string(),
Self { Self {
url, url,
alt_url,
width: source["width"].as_i64().unwrap_or_default(), width: source["width"].as_i64().unwrap_or_default(),
height: source["height"].as_i64().unwrap_or_default(), height: source["height"].as_i64().unwrap_or_default(),
poster: format_url(source["url"].as_str().unwrap_or_default()), poster: format_url(source["url"].as_str().unwrap_or_default()),
@@ -259,6 +279,7 @@ impl Post {
post_type, post_type,
thumbnail: Media { thumbnail: Media {
url: format_url(val(post, "thumbnail").as_str()), url: format_url(val(post, "thumbnail").as_str()),
alt_url: String::new(),
width: data["thumbnail_width"].as_i64().unwrap_or_default(), width: data["thumbnail_width"].as_i64().unwrap_or_default(),
height: data["thumbnail_height"].as_i64().unwrap_or_default(), height: data["thumbnail_height"].as_i64().unwrap_or_default(),
poster: "".to_string(), poster: "".to_string(),
@@ -364,6 +385,7 @@ pub struct Preferences {
pub layout: String, pub layout: String,
pub wide: String, pub wide: String,
pub show_nsfw: String, pub show_nsfw: String,
pub use_hls: String,
pub comment_sort: String, pub comment_sort: String,
pub post_sort: String, pub post_sort: String,
pub subscriptions: Vec<String>, pub subscriptions: Vec<String>,
@@ -378,6 +400,7 @@ impl Preferences {
layout: cookie(&req, "layout"), layout: cookie(&req, "layout"),
wide: cookie(&req, "wide"), wide: cookie(&req, "wide"),
show_nsfw: cookie(&req, "show_nsfw"), show_nsfw: cookie(&req, "show_nsfw"),
use_hls: cookie(&req, "use_hls"),
comment_sort: cookie(&req, "comment_sort"), comment_sort: cookie(&req, "comment_sort"),
post_sort: cookie(&req, "post_sort"), post_sort: cookie(&req, "post_sort"),
subscriptions: cookie(&req, "subscriptions").split('+').map(String::from).filter(|s| !s.is_empty()).collect(), subscriptions: cookie(&req, "subscriptions").split('+').map(String::from).filter(|s| !s.is_empty()).collect(),
@@ -425,8 +448,32 @@ pub fn format_url(url: &str) -> String {
.unwrap_or_default() .unwrap_or_default()
}; };
macro_rules! chain {
() => {
{
String::new()
}
};
( $first_fn:expr, $($other_fns:expr), *) => {
{
let result = $first_fn;
if result.is_empty() {
chain!($($other_fns,)*)
}
else
{
result
}
}
};
}
match domain { match domain {
"v.redd.it" => capture(r"https://v\.redd\.it/(.*)/DASH_([0-9]{2,4}(\.mp4|$))", "/vid/", 2), "v.redd.it" => chain!(
capture(r"https://v\.redd\.it/(.*)/DASH_([0-9]{2,4}(\.mp4|$))", "/vid/", 2),
capture(r"https://v\.redd\.it/(.+)/(HLSPlaylist\.m3u8.*)$", "/hls/", 2)
),
"i.redd.it" => capture(r"https://i\.redd\.it/(.*)", "/img/", 1), "i.redd.it" => capture(r"https://i\.redd\.it/(.*)", "/img/", 1),
"a.thumbs.redditmedia.com" => capture(r"https://a\.thumbs\.redditmedia\.com/(.*)", "/thumb/a/", 1), "a.thumbs.redditmedia.com" => capture(r"https://a\.thumbs\.redditmedia\.com/(.*)", "/thumb/a/", 1),
"b.thumbs.redditmedia.com" => capture(r"https://b\.thumbs\.redditmedia\.com/(.*)", "/thumb/b/", 1), "b.thumbs.redditmedia.com" => capture(r"https://b\.thumbs\.redditmedia\.com/(.*)", "/thumb/b/", 1),

75
static/playHLSVideo.js Normal file
View File

@@ -0,0 +1,75 @@
(function () {
if (Hls.isSupported()) {
var videoSources = document.querySelectorAll("video source[type='application/vnd.apple.mpegurl']");
videoSources.forEach(function (source) {
var playlist = source.src;
var oldVideo = source.parentNode;
var autoplay = oldVideo.classList.contains("hls_autoplay");
// If HLS is supported natively then don't use hls.js
if (oldVideo.canPlayType(source.type)) {
if (autoplay) {
oldVideo.play();
}
return;
}
// Replace video with copy that will have all "source" elements removed
var newVideo = oldVideo.cloneNode(true);
var allSources = newVideo.querySelectorAll("source");
allSources.forEach(function (source) {
source.remove();
});
// Empty source to enable play event
newVideo.src = "about:blank";
oldVideo.parentNode.replaceChild(newVideo, oldVideo);
function initializeHls() {
newVideo.removeEventListener('play', initializeHls);
var hls = new Hls({ autoStartLoad: false });
hls.loadSource(playlist);
hls.attachMedia(newVideo);
hls.on(Hls.Events.MANIFEST_PARSED, function () {
hls.loadLevel = hls.levels.length - 1;
hls.startLoad();
newVideo.play();
});
hls.on(Hls.Events.ERROR, function (event, data) {
var errorType = data.type;
var errorFatal = data.fatal;
if (errorFatal) {
switch (errorType) {
case Hls.ErrorType.NETWORK_ERROR:
hls.startLoad();
break;
case Hls.ErrorType.MEDIA_ERROR:
hls.recoverMediaError();
break;
default:
hls.destroy();
break;
}
}
console.error("HLS error", data);
});
}
newVideo.addEventListener('play', initializeHls);
if (autoplay) {
newVideo.play();
}
});
} else {
var videos = document.querySelectorAll("video.hls_autoplay");
videos.forEach(function (video) {
video.setAttribute("autoplay", "");
});
}
})();

9
templates/post.html
View File

@@ -68,7 +68,16 @@
</svg> </svg>
</a> </a>
{% else if post.post_type == "video" || post.post_type == "gif" %} {% else if post.post_type == "video" || post.post_type == "gif" %}
{% if prefs.use_hls == "on" && !post.media.alt_url.is_empty() %}
<script src="/hls.js"></script>
<video class="post_media_video short hls_autoplay" width="{{ post.media.width }}" height="{{ post.media.height }}" poster="{{ post.media.poster }}" controls preload="none">
<source src="{{ post.media.alt_url }}" type="application/vnd.apple.mpegurl" />
<source src="{{ post.media.url }}" type="video/mp4" />
</video>
<script src="/playHLSVideo.js"></script>
{% else %}
<video class="post_media_video" src="{{ post.media.url }}" controls autoplay loop><a href={{ post.media.url }}>Video</a></video> <video class="post_media_video" src="{{ post.media.url }}" controls autoplay loop><a href={{ post.media.url }}>Video</a></video>
{% endif %}
{% else if post.post_type == "gallery" %} {% else if post.post_type == "gallery" %}
<div class="gallery"> <div class="gallery">
{% for image in post.gallery -%} {% for image in post.gallery -%}

8
templates/settings.html
View File

@@ -52,6 +52,10 @@
<label for="show_nsfw">Show NSFW posts:</label> <label for="show_nsfw">Show NSFW posts:</label>
<input type="checkbox" name="show_nsfw" {% if prefs.show_nsfw == "on" %}checked{% endif %}> <input type="checkbox" name="show_nsfw" {% if prefs.show_nsfw == "on" %}checked{% endif %}>
</div> </div>
<div id="use_hls">
<label for="use_hls">Use HLS for videos</label>
<input type="checkbox" name="use_hls" {% if prefs.use_hls == "on" %}checked{% endif %}>
</div>
<input id="save" type="submit" value="Save"> <input id="save" type="submit" value="Save">
</div> </div>
</form> </form>
@@ -68,10 +72,10 @@
{% endfor %} {% endfor %}
</div> </div>
{% endif %} {% endif %}
<div id="settings_note"> <div id="settings_note">
<p><b>Note:</b> settings and subscriptions are saved in browser cookies. Clearing your cookies will reset them.</p><br> <p><b>Note:</b> settings and subscriptions are saved in browser cookies. Clearing your cookies will reset them.</p><br>
<p>You can restore your current settings and subscriptions after clearing your cookies using <a href="/settings/restore/?theme={{ prefs.theme }}&front_page={{ prefs.front_page }}&layout={{ prefs.layout }}&wide={{ prefs.wide }}&comment_sort={{ prefs.comment_sort }}&show_nsfw={{ prefs.show_nsfw }}&subscriptions={{ prefs.subscriptions.join("%2B") }}">this link</a>.</p> <p>You can restore your current settings and subscriptions after clearing your cookies using <a href="/settings/restore/?theme={{ prefs.theme }}&front_page={{ prefs.front_page }}&layout={{ prefs.layout }}&wide={{ prefs.wide }}&comment_sort={{ prefs.comment_sort }}&show_nsfw={{ prefs.show_nsfw }}&use_hls={{ prefs.use_hls }}&subscriptions={{ prefs.subscriptions.join("%2B") }}">this link</a>.</p>
</div> </div>
</div> </div>

4
templates/subreddit.html
View File

@@ -52,6 +52,10 @@
{% call utils::post_in_list(post) %} {% call utils::post_in_list(post) %}
{% endif %} {% endif %}
{% endfor %} {% endfor %}
{% if prefs.use_hls == "on" %}
<script src="/hls.js"></script>
<script src="/playHLSVideo.js"></script>
{% endif %}
</div> </div>
<footer> <footer>

7
templates/utils.html
View File

@@ -94,7 +94,14 @@
{% else if (prefs.layout.is_empty() || prefs.layout == "card") && post.post_type == "gif" %} {% else if (prefs.layout.is_empty() || prefs.layout == "card") && post.post_type == "gif" %}
<video class="post_media_video short" src="{{ post.media.url }}" width="{{ post.media.width }}" height="{{ post.media.height }}" controls loop autoplay><a href={{ post.media.url }}>Video</a></video> <video class="post_media_video short" src="{{ post.media.url }}" width="{{ post.media.width }}" height="{{ post.media.height }}" controls loop autoplay><a href={{ post.media.url }}>Video</a></video>
{% else if (prefs.layout.is_empty() || prefs.layout == "card") && post.post_type == "video" %} {% else if (prefs.layout.is_empty() || prefs.layout == "card") && post.post_type == "video" %}
{% if prefs.use_hls == "on" && !post.media.alt_url.is_empty() %}
<video class="post_media_video short" width="{{ post.media.width }}" height="{{ post.media.height }}" poster="{{ post.media.poster }}" controls preload="none">
<source src="{{ post.media.alt_url }}" type="application/vnd.apple.mpegurl" />
<source src="{{ post.media.url }}" type="video/mp4" />
</video>
{% else %}
<video class="post_media_video short" src="{{ post.media.url }}" width="{{ post.media.width }}" height="{{ post.media.height }}" poster="{{ post.media.poster }}" preload="none" controls autoplay><a href={{ post.media.url }}>Video</a></video> <video class="post_media_video short" src="{{ post.media.url }}" width="{{ post.media.width }}" height="{{ post.media.height }}" poster="{{ post.media.poster }}" preload="none" controls autoplay><a href={{ post.media.url }}>Video</a></video>
{% endif %}
{% else if post.post_type != "self" %} {% else if post.post_type != "self" %}
<a class="post_thumbnail {% if post.thumbnail.url.is_empty() %}no_thumbnail{% endif %}" href="{% if post.post_type == "link" %}{{ post.media.url }}{% else %}{{ post.permalink }}{% endif %}"> <a class="post_thumbnail {% if post.thumbnail.url.is_empty() %}no_thumbnail{% endif %}" href="{% if post.post_type == "link" %}{{ post.media.url }}{% else %}{{ post.permalink }}{% endif %}">
{% if post.thumbnail.url.is_empty() %} {% if post.thumbnail.url.is_empty() %}