From cebaff589cfd38b8a613d2732084407d6a2c1c29 Mon Sep 17 00:00:00 2001
From: Sorashi <sorashi21@gmail.com>
Date: Sun, 26 Nov 2017 17:40:46 +0100
Subject: [PATCH] Fix #1

---
 youtube-play/LinkResolver.cs            | 17 +++++++++++++++--
 youtube-play/Player.cs                  |  5 ++++-
 youtube-play/Program.cs                 |  8 +++++---
 youtube-play/Properties/AssemblyInfo.cs |  4 ++--
 4 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/youtube-play/LinkResolver.cs b/youtube-play/LinkResolver.cs
index 01f1e52..8436f0a 100644
--- a/youtube-play/LinkResolver.cs
+++ b/youtube-play/LinkResolver.cs
@@ -1,4 +1,5 @@
-using Newtonsoft.Json.Linq;
+using System;
+using Newtonsoft.Json.Linq;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
@@ -55,6 +56,7 @@ public Video(string id, string title = null) {
             public async Task<VideoFormat> GetBestStreamableAudioFormat() {
                 if (bestStreamableAudioFormat != null) return bestStreamableAudioFormat;
                 var videoFormats = await GetFormats();
+                if (videoFormats == null) return null;
                 // at first try to find audio only
                 var audioOnly = videoFormats.Where(x => x.Note == "DASH audio" &&
                                                    (x.Extension == "webm" || x.Extension == "m4a"));
@@ -103,11 +105,22 @@ public Task<IEnumerable<VideoFormat>> GetFormats() {
                             Arguments = "-j " + Id,
                             UseShellExecute = false,
                             RedirectStandardOutput = true,
+                            RedirectStandardError = true,
                             CreateNoWindow = true
                         }
                     };
                     iteratorProcess.Start();
-                    var jo = JObject.Parse(iteratorProcess.StandardOutput.ReadToEnd());
+                    var stdout = iteratorProcess.StandardOutput.ReadToEnd();
+                    var stderr = iteratorProcess.StandardError.ReadToEnd();
+                    iteratorProcess.WaitForExit();
+                    var code = iteratorProcess.ExitCode;
+                    if (code != 0) {
+                        Console.ForegroundColor = ConsoleColor.Red;
+                        Console.WriteLine("An error occured while resolving the video link:\n" + stderr);
+                        Console.ResetColor();
+                        return null;
+                    }
+                    var jo = JObject.Parse(stdout);
                     return ResolveFormats(jo["formats"].ToString());
                 });
                 Formats = t;
diff --git a/youtube-play/Player.cs b/youtube-play/Player.cs
index 3a99153..f7f98d6 100644
--- a/youtube-play/Player.cs
+++ b/youtube-play/Player.cs
@@ -32,7 +32,10 @@ public Task StartPlaying(int volume = 20) {
         }
 
         public async Task<int> AddToQueue(LinkResolver.Video video) {
-            await video.GetBestStreamableAudioFormat();
+            if (await video.GetBestStreamableAudioFormat() == null) {
+                Console.WriteLine("Skipped " + video.Title);
+                return playQueue.Count;
+            }
             Console.WriteLine("Link resolved: " + video.Title);
             playQueue.Enqueue(video);
             return playQueue.Count;
diff --git a/youtube-play/Program.cs b/youtube-play/Program.cs
index 75e3648..34cf8ec 100644
--- a/youtube-play/Program.cs
+++ b/youtube-play/Program.cs
@@ -51,7 +51,8 @@ private static async Task MainAsync() {
             if (!args.Any()) {
                 Console.WriteLine("\nUsage:");
                 Console.WriteLine("youtube-play <video/playlist/channel link> (one or more in a row)");
-                Console.WriteLine("Instead of a link, you can also pass at any time a '-f <filename>' option with a link on each line of the file");
+                Console.WriteLine(
+                    "Instead of a link, you can also pass at any time a '-f <filename>' option with a link on each line of the file");
                 return;
             }
             var arguments = ArgumentEnumerator(args);
@@ -62,9 +63,10 @@ private static async Task MainAsync() {
             Console.WriteLine("Entering loop");
             while (links.MoveNext()) {
 #if DEBUG
-                Console.WriteLine("[Debug] Current link: " + links.Current);
+                Console.WriteLine("[Debug] Current link: " + links.Current.Id);
 #endif
-                await player.AddToQueue(links.Current);
+                var count = await player.AddToQueue(links.Current);
+                if (count <= 0) continue;
                 if (first) {
                     first = false;
                     Console.WriteLine("Starting to play");
diff --git a/youtube-play/Properties/AssemblyInfo.cs b/youtube-play/Properties/AssemblyInfo.cs
index a00e0e1..fbd8ede 100644
--- a/youtube-play/Properties/AssemblyInfo.cs
+++ b/youtube-play/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.1.11.0")]
-[assembly: AssemblyFileVersion("0.1.11.0")]
+[assembly: AssemblyVersion("0.1.21.1")]
+[assembly: AssemblyFileVersion("0.1.21.1")]