From 1cb71331f7e407d57a10b5c4999d8d47fa869c2b Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Sun, 6 Oct 2024 08:08:38 -0600
Subject: [PATCH] Fetch language codes from gstreamer pipeline

---
 Cargo.lock           | 19 +++++--------------
 src/gstreamer/mod.rs | 40 +++++++++++++++++++++++++++++++++++++++-
 2 files changed, 44 insertions(+), 15 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index d2e68ba..ea499d5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -853,9 +853,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.1.25"
+version = "1.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8d9e0b4957f635b8d3da819d0db5603620467ecf1f692d22a8c2717ce27e6d8"
+checksum = "2e80e3b6a3ab07840e1cae9b0666a63970dc28e8ed5ffbcdacbfc760c281bfc1"
 dependencies = [
  "jobserver",
  "libc",
@@ -2739,7 +2739,7 @@ dependencies = [
 [[package]]
 name = "iced_video_player"
 version = "0.6.0"
-source = "git+https://github.com/jackpot51/iced_video_player.git?branch=cosmic#db329704ac04be7a7ca464d9687f66464118a371"
+source = "git+https://github.com/jackpot51/iced_video_player.git?branch=cosmic#52a3f4a96359716dfe74199ce46a24d3a376e6b1"
 dependencies = [
  "glib",
  "gstreamer",
@@ -3783,12 +3783,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.20.1"
+version = "1.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82881c4be219ab5faaf2ad5e5e5ecdff8c66bd7402ca3160975c93b24961afd1"
-dependencies = [
- "portable-atomic",
-]
+checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
 [[package]]
 name = "option-ext"
@@ -4091,12 +4088,6 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22686f4785f02a4fcc856d3b3bb19bf6c8160d103f7a99cc258bddd0251dc7f2"
 
-[[package]]
-name = "portable-atomic"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc9c68a3f6da06753e9335d63e27f6b9754dd1920d941135b7ea8224f141adb2"
-
 [[package]]
 name = "ppv-lite86"
 version = "0.2.20"
diff --git a/src/gstreamer/mod.rs b/src/gstreamer/mod.rs
index 71f4bb4..64bc6a1 100644
--- a/src/gstreamer/mod.rs
+++ b/src/gstreamer/mod.rs
@@ -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,