Fix unreliable codec detection for DTS audio streams

Author: n00mkrad

ff-utils-winforms/Media/FfmpegUtils.cs

@@ -76,7 +76,8 @@ public static async Task<List<Stream>> GetStreams(string path, bool progressBar,
                             string lang = await GetFfprobeInfoAsync(path, showStreams, "TAG:language", idx);
                             string title = await GetFfprobeInfoAsync(path, showStreams, "TAG:title", idx);
                             string codec = await GetFfprobeInfoAsync(path, showStreams, "codec_name", idx);
-                            if(codec.ToLower() == "dts") codec = await GetFfprobeInfoAsync(path, showStreams, "profile", idx);
+                            string profile = await GetFfprobeInfoAsync(path, showStreams, "profile", idx);
+                            if (codec.ToLower() == "dts" && profile != "unknown") codec = profile;
                             string codecLong = await GetFfprobeInfoAsync(path, showStreams, "codec_long_name", idx);
                             int kbits = (await GetFfprobeInfoAsync(path, showStreams, "bit_rate", idx)).GetInt() / 1024;
                             int sampleRate = (await GetFfprobeInfoAsync(path, showStreams, "sample_rate", idx)).GetInt();