video/example-add-captions708
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Can use around 25s delay

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This commit is contained in:
Rafael Caricio 2022-04-12 12:38:35 +02:00
parent b1766f2b0a
commit 77205e5523
Signed by: rafaelcaricio
GPG key ID: 3C86DBCE8E93C947
1 changed files with 5 additions and 3 deletions
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8
src/main.rs
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@ -13,12 +13,14 @@ fn main() -> eyre::Result<()> {
gstrsclosedcaption::plugin_register_static()?; gstrsclosedcaption::plugin_register_static()?;
gstvosk::plugin_register_static()?; gstvosk::plugin_register_static()?;
// demuxer. ! videorate ! video/x-raw,framerate=(fraction)30/1 ! transcriberbin name=trans
// trans.src_video ! cea608overlay black-background=1 ! autovideosink
let pipeline = gst::parse_launch( let pipeline = gst::parse_launch(
r#" r#"
uridecodebin name=demuxer uri=file:///Users/rafael.caricio/video.mkv uridecodebin name=demuxer uri=file:///Users/rafael.caricio/video.mkv
demuxer. ! videorate ! video/x-raw,framerate=(fraction)30/1 ! transcriberbin name=trans latency=30000 demuxer. ! videorate ! video/x-raw,framerate=(fraction)30/1 ! transcriberbin name=trans
demuxer. ! audio/x-raw ! audiorate ! audioconvert ! audioresample ! trans.sink_audio demuxer. ! audio/x-raw ! audiorate ! audioconvert ! audioresample ! trans.sink_audio
trans.src_video ! cea608overlay black-background=1 ! autovideosink trans.src_video ! cea608overlay black-background=1 ! autovideosink
@ -41,8 +43,8 @@ fn main() -> eyre::Result<()> {
let transcriber = gst::ElementFactory::make("vosk_transcriber", None).expect("Could not instantiate Vosk transcriber"); let transcriber = gst::ElementFactory::make("vosk_transcriber", None).expect("Could not instantiate Vosk transcriber");
let transcriber_bin = pipeline.by_name("trans").expect("Trans bin"); let transcriber_bin = pipeline.by_name("trans").expect("Trans bin");
transcriber_bin.set_property("transcriber", transcriber); transcriber_bin.set_property("transcriber", &transcriber);
transcriber_bin.set_property("latency", 25_000_u32);
let context = glib::MainContext::default(); let context = glib::MainContext::default();
let main_loop = glib::MainLoop::new(Some(&context), false); let main_loop = glib::MainLoop::new(Some(&context), false);