Merge pull request #48 from hannesbraun/aiff-support

Add AIFF support

Author: bojand

README.md

@@ -143,6 +143,7 @@ assert_eq!(kind.extension(), "foo");
 - **wav** - `audio/x-wav`
 - **amr** - `audio/amr`
 - **aac** - `audio/aac`
+- **aiff** - `audio/x-aiff`
 
 #### Archive
 

src/map.rs

@@ -295,6 +295,12 @@ matcher_map!(
         "aac",
         matchers::audio::is_aac
     ),
+    (
+        MatcherType::Audio,
+        "audio/x-aiff",
+        "aiff",
+        matchers::audio::is_aiff
+    ),
     // Font
     (
         MatcherType::Font,

src/matchers/audio.rs

@@ -62,3 +62,16 @@ pub fn is_amr(buf: &[u8]) -> bool {
 pub fn is_aac(buf: &[u8]) -> bool {
     buf.len() > 1 && buf[0] == 0xFF && (buf[1] == 0xF1 || buf[1] == 0xF9)
 }
+
+/// Returns whether a buffer is AIFF data.
+pub fn is_aiff(buf: &[u8]) -> bool {
+    buf.len() > 11
+        && buf[0] == 0x46
+        && buf[1] == 0x4F
+        && buf[2] == 0x52
+        && buf[3] == 0x4D
+        && buf[8] == 0x41
+        && buf[9] == 0x49
+        && buf[10] == 0x46
+        && buf[11] == 0x46
+}