From 67c6c7cf0476ac8315f42237905eb270e8f3325e Mon Sep 17 00:00:00 2001
From: varz1 <lqcl120638@gmail.com>
Date: Thu, 30 Nov 2023 00:52:35 +0800
Subject: [PATCH] added mxf extension support

---
 README.md         |  1 +
 matchers/video.go | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/README.md b/README.md
index c1f088e..ec96065 100644
--- a/README.md
+++ b/README.md
@@ -211,6 +211,7 @@ func main() {
 - **mpg** - `video/mpeg`
 - **flv** - `video/x-flv`
 - **3gp** - `video/3gpp`
+- **mxf** - `application/mxf`
 
 #### Audio
 
diff --git a/matchers/video.go b/matchers/video.go
index 568cbf9..0b5be3d 100644
--- a/matchers/video.go
+++ b/matchers/video.go
@@ -13,6 +13,7 @@ var (
 	TypeMpeg = newType("mpg", "video/mpeg")
 	TypeFlv  = newType("flv", "video/x-flv")
 	Type3gp  = newType("3gp", "video/3gpp")
+	TypeMxf  = newType("mxf", "application/mxf")
 )
 
 var Video = Map{
@@ -26,6 +27,19 @@ var Video = Map{
 	TypeMpeg: Mpeg,
 	TypeFlv:  Flv,
 	Type3gp:  Match3gp,
+	TypeMxf:  Mxf,
+}
+
+func Mxf(buf []byte) bool {
+
+	return len(buf) > 13 &&
+		buf[0] == 0x06 && buf[1] == 0x0E &&
+		buf[2] == 0x2B && buf[3] == 0x34 &&
+		buf[4] == 0x02 && buf[5] == 0x05 &&
+		buf[6] == 0x01 && buf[7] == 0x01 &&
+		buf[8] == 0x0D && buf[9] == 0x01 &&
+		buf[10] == 0x02 && buf[11] == 0x01 &&
+		buf[12] == 0x01 && buf[13] == 0x02
 }
 
 func M4v(buf []byte) bool {