Create file with multiple audio tracks and cae708 cc

This commit is contained in:
Rafael Caricio 2022-03-18 17:49:54 +01:00
parent 28bc5bea9e
commit 902977545d
Signed by: rafaelcaricio
GPG key ID: 3C86DBCE8E93C947
4 changed files with 2312 additions and 0 deletions

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.gitignore vendored Normal file
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*.srt
*.mp4

2167
Cargo.lock generated Normal file

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Cargo.toml Normal file
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[package]
name = "webvttconverter"
version = "0.1.0"
edition = "2021"
[dependencies]
eyre = "0.6.6"
glib = "0.15.4"
gst = { package = "gstreamer", version = "0.18.3" }
gstreamer-app = "0.18.0"
gstreamer-base = "0.18.0"
gstreamer-video = { version = "0.18.5", features = ["v1_16"] }
gst-plugin-rusoto = { git = "https://gitlab.freedesktop.org/rafaelcaricio/gst-plugins-rs.git", branch = "transbin-accept-any-video-caps", version = "0.9.0" }
gst-plugin-closedcaption = { git = "https://gitlab.freedesktop.org/rafaelcaricio/gst-plugins-rs.git", branch = "transbin-accept-any-video-caps", version = "0.9.0" }
gst-plugin-textwrap = { git = "https://gitlab.freedesktop.org/rafaelcaricio/gst-plugins-rs.git", branch = "transbin-accept-any-video-caps", version = "0.9.0" }
ctrlc = "3.2.1"
signal-hook = "0.3.13"
#tokio = { version = "1.17", features = ["full"] }
#axum = "0.4.5"
#tower = "0.4.12"
#tower-http = { version = "0.2.2", features = ["add-extension"] }
log = "0.4.14"
pretty_env_logger = "0.4.0"

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src/main.rs Normal file
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use gst::prelude::*;
use gstreamer_app as gst_app;
use log::{debug, error, info, trace, warn};
use std::process;
fn main() -> eyre::Result<()> {
pretty_env_logger::init();
gst::init()?;
gstrusoto::plugin_register_static()?;
gstrsclosedcaption::plugin_register_static()?;
gstrstextwrap::plugin_register_static()?;
let pipeline = gst::parse_launch(
r#"
souphttpsrc location="https://playertest.longtailvideo.com/adaptive/elephants_dream_v4/redundant.m3u8" ! hlsdemux name=demuxer
demuxer.src_0 ! decodebin ! cccombiner name=ccc_fr ! videoconvert ! x264enc ! video/x-h264,profile=main ! muxer.video_0
demuxer.src_1 ! decodebin ! audioconvert ! audioresample ! opusenc ! audio/x-opus,rate=48000,channels=2 ! muxer.audio_0
demuxer.src_2 ! decodebin ! audioconvert ! audioresample ! opusenc ! audio/x-opus,rate=48000,channels=2 ! muxer.audio_1
demuxer.src_3 ! decodebin ! audioconvert ! audioresample ! opusenc ! audio/x-opus,rate=48000,channels=2 ! muxer.audio_2
souphttpsrc location="https://playertest.longtailvideo.com/adaptive/elephants_dream_v4/media_b/french/ed.m3u8" ! hlsdemux ! subparse ! tttocea608 ! ccconverter ! closedcaption/x-cea-708,format=cc_data ! ccc_fr.caption
qtmux name=muxer ! filesink location=output_cae708_only_fr.mp4
"#,
)?
.downcast::<gst::Pipeline>()
.unwrap();
pipeline.set_async_handling(true);
// souphttpsrc location="https://playertest.longtailvideo.com/adaptive/elephants_dream_v4/media_b/chinese/ed.m3u8" ! hlsdemux ! subparse ! tttocea608 ! ccconverter ! closedcaption/x-cea-708,format=cc_data ! ccc_ch.caption
// souphttpsrc location="https://playertest.longtailvideo.com/adaptive/elephants_dream_v4/media_b/french/ed.m3u8" ! hlsdemux ! subparse ! tttocea608 ! appsink name=sink
info!("Starting pipeline...");
let demuxer = pipeline.by_name("demuxer").unwrap();
demuxer.connect_pad_added(|_, pad| {
let name = pad.name();
let caps = pad.caps().unwrap();
let caps_type = caps.structure(0).unwrap().name();
// dbg!(name);
debug!("Pad {} added with caps {}", name, caps_type);
});
// let app_sink = pipeline
// .by_name("sink")
// .unwrap()
// .downcast::<gst_app::AppSink>()
// .unwrap();
// app_sink.set_sync(false);
// app_sink.set_callbacks(
// gst_app::AppSinkCallbacks::builder()
// .new_sample(move |app| {
// let sample = app.pull_sample().unwrap();
// let buffer = sample.buffer().unwrap();
//
// // We don't care about buffers that are not video
// if buffer
// .flags()
// .contains(gst::BufferFlags::DECODE_ONLY | gst::BufferFlags::GAP)
// {
// return Ok(gst::FlowSuccess::Ok);
// }
//
// // let data = buffer.map_readable().unwrap();
// // let text = std::str::from_utf8(&data).unwrap();
// // println!("Subtext = {}", text);
// dbg!(buffer);
//
// Ok(gst::FlowSuccess::Ok)
// })
// .build(),
// );
let context = glib::MainContext::default();
let main_loop = glib::MainLoop::new(Some(&context), false);
pipeline.set_state(gst::State::Playing)?;
let bus = pipeline.bus().unwrap();
bus.add_watch({
let main_loop = main_loop.clone();
move |_, msg| {
use gst::MessageView;
let main_loop = &main_loop;
match msg.view() {
MessageView::Eos(..) => main_loop.quit(),
MessageView::Error(err) => {
println!(
"Error from {:?}: {} ({:?})",
err.src().map(|s| s.path_string()),
err.error(),
err.debug()
);
main_loop.quit();
}
_ => (),
};
glib::Continue(true)
}
})
.expect("Failed to add bus watch");
ctrlc::set_handler({
let pipeline_weak = pipeline.downgrade();
move || {
let pipeline = pipeline_weak.upgrade().unwrap();
pipeline.set_state(gst::State::Null).unwrap();
}
})?;
main_loop.run();
bus.remove_watch().unwrap();
pipeline.set_state(gst::State::Null)?;
Ok(())
}