ltm hash parsing

TASVideos.Parsers/Parsers/Ltm.cs

@@ -17,7 +17,7 @@ internal class Ltm : Parser, IParser
 	private const string VariableFramerateHeader = "variable_framerate=";
 	private const string LengthSecondsHeader = "length_sec=";
 	private const string LengthNanosecondsHeader = "length_nsec=";
-
+	private const string Md5 = "md5=";
 	public async Task<IParseResult> Parse(Stream file, long length)
 	{
 		var result = new SuccessResult(FileExtension)
@@ -94,6 +94,14 @@ public async Task<IParseResult> Parse(Stream file, long length)
 						{
 							lengthNanoseconds = ParseDoubleFromConfig(s);
 						}
+						else if (s.StartsWith(Md5))
+						{
+							var md5 = ParseStringFromConfig(s);
+							if (md5.Length == 32)
+							{
+								result.Hashes.Add(HashType.Md5, md5.ToLower());
+							}
+						}
 					}
 
 					break;

tests/TASVideos.MovieParsers.Tests/LtmSampleFiles/config.ini

@@ -0,0 +1,21 @@
+[General]
+authors=
+auto_restart=false
+frame_count=307
+framerate_den=1
+framerate_num=60
+game_name=flashplayer
+initial_time_nsec=0
+initial_time_sec=1
+keyboard_support=true
+length_nsec=116666666
+length_sec=5
+libtas_major_version=1
+libtas_minor_version=4
+libtas_patch_version=1
+md5=abcdefab
+mouse_support=true
+nb_controllers=0
+rerecord_count=0
+savestate_frame_count=307
+variable_framerate=false

tests/TASVideos.MovieParsers.Tests/LtmTests.cs

@@ -125,4 +125,34 @@ public async Task VariableFramerate()
 		Assert.AreEqual(30.002721239119342, result.FrameRateOverride);
 		AssertNoWarningsOrErrors(result);
 	}
+
+	[TestMethod]
+	public async Task Hash()
+	{
+		var result = await _ltmParser.Parse(Embedded("hash.ltm"), EmbeddedLength("hash.ltm"));
+		Assert.AreEqual(1, result.Hashes.Count);
+		Assert.AreEqual(HashType.Md5, result.Hashes.First().Key);
+		Assert.AreEqual("7d66e47fdc0807927c40ce1491c68ad3", result.Hashes.First().Value);
+	}
+
+	[TestMethod]
+	public async Task NoHash()
+	{
+		var result = await _ltmParser.Parse(Embedded("no-hash.ltm"), EmbeddedLength("no-hash.ltm"));
+		Assert.AreEqual(0, result.Hashes.Count);
+	}
+
+	[TestMethod]
+	public async Task MissingHash()
+	{
+		var result = await _ltmParser.Parse(Embedded("missing-hash.ltm"), EmbeddedLength("missing-hash.ltm"));
+		Assert.AreEqual(0, result.Hashes.Count);
+	}
+
+	[TestMethod]
+	public async Task InvalidHash()
+	{
+		var result = await _ltmParser.Parse(Embedded("invalid-hash.ltm"), EmbeddedLength("invalid-hash.ltm"));
+		Assert.AreEqual(0, result.Hashes.Count);
+	}
 }