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Fetch language codes from gstreamer pipeline

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This commit is contained in:
Jeremy Soller 2024-10-06 08:08:38 -06:00
parent 17ce907f28
commit 1cb71331f7
2 changed files with 44 additions and 15 deletions
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40
src/gstreamer/mod.rs
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@ -14,7 +14,10 @@ use cosmic::{
widget::{self, Column, Row, Slider},
Application, ApplicationExt, Element,
};
use iced_video_player::{Video, VideoPlayer};
use iced_video_player::{
gst::{self, prelude::*},
Video, VideoPlayer,
};
use std::{any::TypeId, collections::HashMap, time::Duration};
use crate::{
@ -149,6 +152,41 @@ impl Application for App {
/// Creates the application, and optionally emits command on initialize.
fn init(core: Core, flags: Self::Flags) -> (Self, Command<Self::Message>) {
let video = Video::new(&flags.url).unwrap();
let pipeline = video.pipeline();
let current_audio = pipeline.property::<i32>("current-audio");
let n_audio = pipeline.property::<i32>("n-audio");
let mut audio_codes = Vec::with_capacity(n_audio as usize);
for i in 0..n_audio {
let tags: gst::TagList = pipeline.emit_by_name("get-audio-tags", &[&i]);
audio_codes.push(
if let Some(language_code) = tags.get::<gst::tags::LanguageCode>() {
language_code.get().to_string()
} else {
String::new()
},
);
}
println!("audio language codes: {:#?}", audio_codes);
let current_text = pipeline.property::<i32>("current-text");
let n_text = pipeline.property::<i32>("n-text");
let mut text_codes = Vec::with_capacity(n_text as usize);
for i in 0..n_text {
let tags: gst::TagList = pipeline.emit_by_name("get-text-tags", &[&i]);
text_codes.push(
if let Some(language_code) = tags.get::<gst::tags::LanguageCode>() {
language_code.get().to_string()
} else {
String::new()
},
);
}
println!("text language codes: {:#?}", text_codes);
// Flags can be used to enable/disable subtitles
println!("flags {:?}", pipeline.property_value("flags"));
let mut app = App {
core,
flags,