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Allow selecting audio and text stream

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This commit is contained in:
Jeremy Soller 2024-10-06 08:31:23 -06:00
parent 1cb71331f7
commit 4dd3e6bad0
1 changed files with 47 additions and 4 deletions
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51
src/gstreamer/mod.rs
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@ -9,7 +9,7 @@ use cosmic::{
event::{self, Event},
keyboard::{Event as KeyEvent, Key, Modifiers},
subscription::{self, Subscription},
Length, Limits, Size,
Alignment, Length, Limits, Size,
},
widget::{self, Column, Row, Slider},
Application, ApplicationExt, Element,
@ -95,6 +95,8 @@ pub struct Flags {
pub enum Message {
Config(Config),
Key(Modifiers, Key),
AudioCode(usize),
TextCode(usize),
TogglePause,
ToggleLoop,
Seek(f64),
@ -113,6 +115,10 @@ pub struct App {
video: Video,
position: f64,
dragging: bool,
audio_codes: Vec<String>,
current_audio: i32,
text_codes: Vec<String>,
current_text: i32,
}
impl App {
@ -159,6 +165,7 @@ impl Application for App {
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]);
println!("audio stream {}: {:?}", i, tags);
audio_codes.push(
if let Some(language_code) = tags.get::<gst::tags::LanguageCode>() {
language_code.get().to_string()
@ -167,13 +174,13 @@ impl Application for App {
},
);
}
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]);
println!("text stream {}: {:?}", i, tags);
text_codes.push(
if let Some(language_code) = tags.get::<gst::tags::LanguageCode>() {
language_code.get().to_string()
@ -182,7 +189,6 @@ impl Application for App {
},
);
}
println!("text language codes: {:#?}", text_codes);
// Flags can be used to enable/disable subtitles
println!("flags {:?}", pipeline.property_value("flags"));
@ -194,6 +200,10 @@ impl Application for App {
video,
position: 0.0,
dragging: false,
audio_codes,
current_audio,
text_codes,
current_text,
};
let command = app.update_title();
(app, command)
@ -216,6 +226,20 @@ impl Application for App {
}
}
}
Message::AudioCode(code) => {
if let Ok(code) = i32::try_from(code) {
let pipeline = self.video.pipeline();
pipeline.set_property("current-audio", code);
self.current_audio = pipeline.property("current-audio");
}
}
Message::TextCode(code) => {
if let Ok(code) = i32::try_from(code) {
let pipeline = self.video.pipeline();
pipeline.set_property("current-text", code);
self.current_text = pipeline.property("current-text");
}
}
Message::TogglePause => {
self.video.set_paused(!self.video.paused());
}
@ -272,7 +296,8 @@ impl Application for App {
.push(widget::vertical_space(Length::Fill))
.push(
Row::new()
.height(Length::Fixed(16.0))
.align_items(Alignment::Center)
.height(Length::Fixed(32.0))
.spacing(8)
.push(
widget::button::icon(if self.video.paused() {
@ -282,6 +307,24 @@ impl Application for App {
})
.on_press(Message::TogglePause),
)
.push(
//TODO: allow mute/unmute/change volume
widget::icon::from_name("audio-volume-high-symbolic").size(16),
)
.push(widget::dropdown(
&self.audio_codes,
usize::try_from(self.current_audio).ok(),
Message::AudioCode,
))
.push(
//TODO: allow toggling subtitles
widget::icon::from_name("media-view-subtitles-symbolic").size(16),
)
.push(widget::dropdown(
&self.text_codes,
usize::try_from(self.current_text).ok(),
Message::TextCode,
))
.push(widget::text(format!(
"{:#?}s / {:#?}s",
self.position as u64,