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Trigger ads in exact time, slate not even visible

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This commit is contained in:
Rafael Caricio 2022-04-18 14:52:25 +02:00
parent 455637af2a
commit 2b2fa32796
Signed by: rafaelcaricio
GPG key ID: 3C86DBCE8E93C947
3 changed files with 214 additions and 14 deletions
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150
Cargo.lock generated
View file

@ -131,6 +131,45 @@ dependencies = [
"winapi",
]
[[package]]
name = "clap"
version = "3.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6aad2534fad53df1cc12519c5cda696dd3e20e6118a027e24054aea14a0bdcbe"
dependencies = [
"atty",
"bitflags",
"clap_derive",
"clap_lex",
"indexmap",
"lazy_static",
"strsim",
"termcolor",
"textwrap",
]
[[package]]
name = "clap_derive"
version = "3.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a3aab4734e083b809aaf5794e14e756d1c798d2c69c7f7de7a09a2f5214993c1"
dependencies = [
"heck",
"proc-macro-error",
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "clap_lex"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "189ddd3b5d32a70b35e7686054371742a937b0d99128e76dde6340210e966669"
dependencies = [
"os_str_bytes",
]
[[package]]
name = "color-name"
version = "1.1.0"
@ -254,6 +293,16 @@ dependencies = [
"once_cell",
]
[[package]]
name = "form_urlencoded"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5fc25a87fa4fd2094bffb06925852034d90a17f0d1e05197d4956d3555752191"
dependencies = [
"matches",
"percent-encoding",
]
[[package]]
name = "futures-channel"
version = "0.3.21"
@ -500,6 +549,12 @@ dependencies = [
"system-deps",
]
[[package]]
name = "hashbrown"
version = "0.11.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
[[package]]
name = "heck"
version = "0.4.0"
@ -524,6 +579,17 @@ dependencies = [
"quick-error",
]
[[package]]
name = "idna"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "418a0a6fab821475f634efe3ccc45c013f742efe03d853e8d3355d5cb850ecf8"
dependencies = [
"matches",
"unicode-bidi",
"unicode-normalization",
]
[[package]]
name = "image"
version = "0.23.14"
@ -562,6 +628,16 @@ version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ce23b50ad8242c51a442f3ff322d56b02f08852c77e4c0b4d3fd684abc89c683"
[[package]]
name = "indexmap"
version = "1.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0f647032dfaa1f8b6dc29bd3edb7bbef4861b8b8007ebb118d6db284fd59f6ee"
dependencies = [
"autocfg",
"hashbrown",
]
[[package]]
name = "jpeg-decoder"
version = "0.1.22"
@ -592,6 +668,12 @@ dependencies = [
"cfg-if",
]
[[package]]
name = "matches"
version = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
[[package]]
name = "memchr"
version = "2.4.1"
@ -732,12 +814,24 @@ dependencies = [
"paste",
]
[[package]]
name = "os_str_bytes"
version = "6.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e22443d1643a904602595ba1cd8f7d896afe56d26712531c5ff73a15b2fbf64"
[[package]]
name = "paste"
version = "1.0.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0c520e05135d6e763148b6426a837e239041653ba7becd2e538c076c738025fc"
[[package]]
name = "percent-encoding"
version = "2.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
[[package]]
name = "pin-project-lite"
version = "0.2.8"
@ -983,6 +1077,12 @@ version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a3ff2f71c82567c565ba4b3009a9350a96a7269eaa4001ebedae926230bc2254"
[[package]]
name = "strsim"
version = "0.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
[[package]]
name = "syn"
version = "1.0.91"
@ -1016,6 +1116,12 @@ dependencies = [
"winapi-util",
]
[[package]]
name = "textwrap"
version = "0.15.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb"
[[package]]
name = "thiserror"
version = "1.0.30"
@ -1047,6 +1153,21 @@ dependencies = [
"weezl",
]
[[package]]
name = "tinyvec"
version = "1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2c1c1d5a42b6245520c249549ec267180beaffcc0615401ac8e31853d4b6d8d2"
dependencies = [
"tinyvec_macros",
]
[[package]]
name = "tinyvec_macros"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
[[package]]
name = "toml"
version = "0.5.8"
@ -1072,12 +1193,39 @@ dependencies = [
"strength_reduce",
]
[[package]]
name = "unicode-bidi"
version = "0.3.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a01404663e3db436ed2746d9fefef640d868edae3cceb81c3b8d5732fda678f"
[[package]]
name = "unicode-normalization"
version = "0.1.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d54590932941a9e9266f0832deed84ebe1bf2e4c9e4a3554d393d18f5e854bf9"
dependencies = [
"tinyvec",
]
[[package]]
name = "unicode-xid"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
[[package]]
name = "url"
version = "2.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a507c383b2d33b5fc35d1861e77e6b383d158b2da5e14fe51b83dfedf6fd578c"
dependencies = [
"form_urlencoded",
"idna",
"matches",
"percent-encoding",
]
[[package]]
name = "version-compare"
version = "0.1.0"
@ -1094,6 +1242,7 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
name = "webvttconverter"
version = "0.1.0"
dependencies = [
"clap",
"ctrlc",
"eyre",
"glib",
@ -1103,6 +1252,7 @@ dependencies = [
"log",
"pretty_env_logger",
"signal-hook",
"url",
]
[[package]]

2
Cargo.toml
View file

@ -15,5 +15,7 @@ signal-hook = "0.3.13"
#axum = "0.4.5"
#tower = "0.4.12"
#tower-http = { version = "0.2.2", features = ["add-extension"] }
clap = { version = "3" , features = ["derive"] }
url = "2"
log = "0.4.14"
pretty_env_logger = "0.4.0"

76
src/main.rs
View file

@ -1,11 +1,13 @@
use glib::translate::ToGlibPtr;
use gst::prelude::*;
use log::{debug, info};
use log::{debug, info, trace};
use std::fs::File;
use std::io::Write;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::{Arc, Mutex};
use std::time::Duration;
use clap::Parser;
use url::Url;
fn send_splice<C>(element: &gst::Element, gst_sit: C)
where
@ -49,6 +51,30 @@ impl EventId {
}
}
#[derive(Parser, Debug)]
#[clap(author, version, about, long_about = None)]
struct Configuration {
/// HLS input source of the stream
#[clap(short='s', long)]
hls_source_url: String,
/// RTP destination for the stream
#[clap(short='d', long)]
rtp_destination_url: String,
/// Image of the frame used as reference to trigger the SCTE35 event
#[clap(short='i', long)]
slate_image_path: String,
/// The SCTE35 stream PID
#[clap(short='p', long, default_value="500")]
scte_pid: u32,
/// The duration of the SCTE35 Splice event in seconds
#[clap(short='d', long)]
scte_duration_secs: u64,
}
fn main() -> eyre::Result<()> {
pretty_env_logger::init_timed();
gst::init()?;
@ -57,14 +83,15 @@ fn main() -> eyre::Result<()> {
gst_mpegts::gst_mpegts_initialize();
}
// ! filesink sync=true location=video.ts
let conf: Configuration = Configuration::parse();
let pipeline = gst::parse_launch(
r#"
urisourcebin uri=https://plutolive-msl.akamaized.net/hls/live/2008623/defy/master.m3u8 ! tsdemux name=demux ! queue ! h264parse ! tee name=v
urisourcebin name=source ! tsdemux name=demux ! queue ! h264parse ! tee name=v
v. ! queue ! mpegtsmux name=mux scte-35-pid=500 scte-35-null-interval=450000 ! rtpmp2tpay ! udpsink sync=true host=54.225.215.79 port=5000
v. ! queue ! decodebin ! videoconvert ! imgcmp name=imgcmp location=/Users/rafaelcaricio/Downloads/defy-AD-SLATE-APRIL3022.jpeg ! autovideosink
v. ! queue ! mpegtsmux name=mux scte-35-null-interval=450000 ! rtpmp2tpay ! udpsink name=rtpsink sync=true
v. ! queue ! decodebin ! videoconvert ! imgcmp name=imgcmp ! autovideosink
demux. ! queue ! aacparse ! mux.
"#,
@ -74,6 +101,28 @@ fn main() -> eyre::Result<()> {
info!("Starting pipeline...");
// Set the HLS source URL
let source = pipeline.by_name("source").unwrap();
source.set_property("uri", conf.hls_source_url);
// Set SCTE35 stream PID
let mux = pipeline.by_name("mux").unwrap();
mux.set_property("scte-35-pid", conf.scte_pid);
// Set the frame we are searching for
let imgcmp = pipeline.by_name("imgcmp").unwrap();
imgcmp.set_property("location", conf.slate_image_path);
// Set the RTP destination
let rtp_url = Url::parse(&conf.rtp_destination_url).expect("Valid URL in format rtp://<host>:<port>");
let rtp_sink = pipeline.by_name("rtpsink").unwrap();
rtp_sink.set_properties(&[
("host", &rtp_url.host_str().unwrap().to_string()),
("port", &(rtp_url.port().unwrap() as i32)),
// In order to make sure the slate image is not event visible, we delay 1 second
("ts-offset", &(gst::ClockTime::from_seconds(1).nseconds() as i64)),
]);
let context = glib::MainContext::default();
let main_loop = glib::MainLoop::new(Some(&context), false);
@ -83,10 +132,12 @@ fn main() -> eyre::Result<()> {
bus.add_watch({
let event_counter = EventId::default();
let ad_running = Arc::new(AtomicBool::new(false));
let ad_duration = Duration::from_secs(conf.scte_duration_secs);
let main_loop = main_loop.clone();
let pipeline_weak = pipeline.downgrade();
let imgcmp_weak = pipeline.by_name("imgcmp").unwrap().downgrade();
let muxer_weak = pipeline.by_name("mux").unwrap().downgrade();
let imgcmp_weak = imgcmp.downgrade();
let muxer_weak = mux.downgrade();
move |_, msg| {
use gst::MessageView;
@ -121,7 +172,7 @@ fn main() -> eyre::Result<()> {
imgcmp_weak.upgrade(),
muxer_weak.upgrade(),
) {
info!("Element Message: {:?}", elem_msg);
trace!("Element Message: {:?}", elem_msg);
if elem_msg.src().map(|e| e == imgcmp).unwrap_or(false)
&& elem_msg.message().has_name("image-detected")
&& !ad_running.load(Ordering::Relaxed)
@ -130,24 +181,21 @@ fn main() -> eyre::Result<()> {
// is, so we use the pipeline running time to base our timing calculations
let now = pipeline.current_running_time().unwrap();
// How much ahead should the ad be inserted, we say 0 seconds in the future (immediate)
let ahead = gst::ClockTime::from_seconds(0);
// Trigger the Splice Out event in the SCTE-35 stream
send_splice_out(&muxer, event_counter.next(), now + ahead);
send_splice_out(&muxer, event_counter.next(), now);
ad_running.store(true, Ordering::Relaxed);
info!("Ad started..");
// Now we add a timed call for the duration of the ad from now to indicate via
// splice in that the stream can go back to normal programming.
glib::timeout_add(Duration::from_secs(30), {
glib::timeout_add(ad_duration, {
let muxer_weak = muxer.downgrade();
let event_counter = event_counter.clone();
let ad_running = Arc::clone(&ad_running);
move || {
if let Some(muxer) = muxer_weak.upgrade() {
let now = muxer.current_running_time().unwrap();
send_splice_in(&muxer, event_counter.next(), now + ahead);
send_splice_in(&muxer, event_counter.next(), now);
ad_running.store(false, Ordering::Relaxed);
info!("Ad ended!")
}