From f99f22f27001f67d0b1362ee546686f47749fdb0 Mon Sep 17 00:00:00 2001
From: Martchus <martchus@gmx.net>
Date: Wed, 29 Aug 2018 22:32:11 +0200
Subject: [PATCH] Detect MIDI files

---
 signature.cpp | 9 +++++++++
 signature.h   | 1 +
 2 files changed, 10 insertions(+)

diff --git a/signature.cpp b/signature.cpp
index 7bfa474..4f57535 100644
--- a/signature.cpp
+++ b/signature.cpp
@@ -46,6 +46,7 @@ enum Sig32 : uint32 {
     Ivf = 0x444B4946u,
     JavaClassFile = 0xCAFEBABEu,
     Ebml = 0x1A45DFA3u,
+    Midi = 0x4D546864u,
     MonkeysAudio = 0x4D414320u,
     Mp4 = 0x66747970u,
     Ogg = 0x4F676753u,
@@ -166,6 +167,8 @@ ContainerFormat parseSignature(const char *buffer, int bufferSize)
         return ContainerFormat::JavaClassFile;
     case Ebml:
         return ContainerFormat::Ebml;
+    case Midi:
+        return ContainerFormat::Midi;
     case MonkeysAudio:
         return ContainerFormat::MonkeysAudio;
     case Ogg:
@@ -353,6 +356,8 @@ const char *containerFormatAbbreviation(ContainerFormat containerFormat, MediaTy
         return "wv";
     case ContainerFormat::MonkeysAudio:
         return "ape";
+    case ContainerFormat::Midi:
+        return "mid";
     default:
         return "";
     }
@@ -456,6 +461,8 @@ const char *containerFormatName(ContainerFormat containerFormat)
         return "ZIP archive";
     case ContainerFormat::MonkeysAudio:
         return "Monkey's Audio";
+    case ContainerFormat::Midi:
+        return "MIDI";
     default:
         return "unknown";
     }
@@ -528,6 +535,8 @@ const char *containerMimeType(ContainerFormat containerFormat, MediaType mediaTy
         default:
             return "video/x-matroska";
         }
+    case ContainerFormat::Midi:
+        return "audio/midi";
     case ContainerFormat::Bzip2:
         return "application/x-bzip";
     case ContainerFormat::Gzip:
diff --git a/signature.h b/signature.h
index dc02185..b0acb9a 100644
--- a/signature.h
+++ b/signature.h
@@ -37,6 +37,7 @@ enum class ContainerFormat : unsigned int {
     Lzip, /**< lz compressed file */
     Lzw, /**< LZW */
     Matroska, /**< Matroska (subset of EBML) */
+    Midi, /**< Musical Instrument Digital Interface (MIDI) */
     MonkeysAudio, /**< Monkey's Audio */
     Mp4, /**< MPEG-4 Part 14 (subset of QuickTime container) */
     MpegAudioFrames, /**< MPEG-1 Layer 1/2/3 frames */