add IVF demuxer for VP8 test samples

[nihav.git] / nihav-registry / src / detect.rs

diff --git a/nihav-registry/src/detect.rs b/nihav-registry/src/detect.rs
index f10b76e931bb43e18f38d7689094fb9021b98d62..11fd2ed00be1d6140cf42587071551d9840284be 100644 (file)
--- a/nihav-registry/src/detect.rs
+++ b/nihav-registry/src/detect.rs
@@ -7,7 +7,7 @@
 //! # Examples
 //!
 //! ```no_run
-//! use nihav_core::detect::detect_format;
+//! use nihav_registry::detect::detect_format;
 //! use std::fs::File;
 //! use nihav_core::io::byteio::*;
 //!
@@ -118,29 +118,39 @@ impl Arg {
         }
     }
     fn eq(&self, src: &mut ByteReader) -> bool {
-        let val = self.read_val(src);
-        if val.is_none() { false }
-        else { val.unwrap() == self.val() }
+        if let Some(rval) = self.read_val(src) {
+            rval == self.val()
+        } else {
+            false
+        }
     }
     fn ge(&self, src: &mut ByteReader) -> bool {
-        let val = self.read_val(src);
-        if val.is_none() { false }
-        else { val.unwrap() >= self.val() }
+        if let Some(rval) = self.read_val(src) {
+            rval >= self.val()
+        } else {
+            false
+        }
     }
     fn gt(&self, src: &mut ByteReader) -> bool {
-        let val = self.read_val(src);
-        if val.is_none() { false }
-        else { val.unwrap() > self.val() }
+        if let Some(rval) = self.read_val(src) {
+            rval > self.val()
+        } else {
+            false
+        }
     }
     fn le(&self, src: &mut ByteReader) -> bool {
-        let val = self.read_val(src);
-        if val.is_none() { false }
-        else { val.unwrap() <= self.val() }
+        if let Some(rval) = self.read_val(src) {
+            rval <= self.val()
+        } else {
+            false
+        }
     }
     fn lt(&self, src: &mut ByteReader) -> bool {
-        let val = self.read_val(src);
-        if val.is_none() { false }
-        else { val.unwrap() < self.val() }
+        if let Some(rval) = self.read_val(src) {
+            rval < self.val()
+        } else {
+            false
+        }
     }
 }
 
@@ -220,6 +230,17 @@ const DETECTORS: &[DetectConditions] = &[
                                                                 &CC::Str(b"moov")),
                                                                 &CC::Str(b"ftyp")) }],
     },
+    DetectConditions {
+        demux_name: "yuv4mpeg",
+        extensions: ".y4m",
+        conditions: &[CheckItem{offs: 0, cond: &CC::Str(b"YUV4MPEG2 ") }],
+    },
+    DetectConditions {
+        demux_name: "ivf",
+        extensions: ".ivf",
+        conditions: &[CheckItem{offs: 0, cond: &CC::Str(b"DKIF\x00\x00")},
+                      CheckItem{offs: 6, cond: &CC::Ge(Arg::U16LE(32))}],
+    },
     DetectConditions {
         demux_name: "fcmp",
         extensions: ".cmp",
@@ -241,6 +262,12 @@ const DETECTORS: &[DetectConditions] = &[
         conditions: &[CheckItem{offs:  0, cond: &CC::Str(b"IMAX") },
                       CheckItem{offs: 10, cond: &CC::Eq(Arg::U16LE(0x102)) }],
     },
+    DetectConditions {
+        demux_name: "legend-q",
+        extensions: ".q",
+        conditions: &[CheckItem{offs: 0, cond: &CC::Eq(Arg::U16LE(0x6839))},
+                      CheckItem{offs: 2, cond: &CC::In(Arg::Byte(3), Arg::Byte(5))}],
+    },
     DetectConditions {
         demux_name: "realaudio",
         extensions: ".ra,.ram",
@@ -395,7 +422,7 @@ pub fn detect_format_by_name(name: &str) -> Option<&'static str> {
 mod test {
     use super::*;
     use std::fs::File;
-    use crate::io::byteio::*;
+    use nihav_core::io::byteio::*;
 
     #[test]
     fn test_avi_detect() {