Add support for private_command() syntax

CHANGELOG.md

@@ -4,6 +4,12 @@
 
 ## Unreleased - FutureDate
 
+### Changed
+ - The `SpliceCommand` enum is now marked `non_exhaustive` since there may be additions to it in future.
+
+### Added
+ - New `private_command()` syntax support via a new `SpliceCommand::PrivateCommand` variant
+
 ## 0.15.0 - 2024-02-23
 
 ### Changed

README.md

@@ -20,7 +20,7 @@ A subset of possible SCTE-35 syntax is currently handled:
  - [x] `splice_insert()`
  - [x] `time_signal()`
  - [x] `bandwidth_reservation()`
- - [ ] `private_command()`
+ - [x] `private_command()`
 
 ### Descriptors
 

src/lib.rs

@@ -253,6 +253,7 @@ impl<'a> std::fmt::Debug for SpliceInfoHeader<'a> {
     }
 }
 
+#[non_exhaustive]
 #[derive(Debug, serde_derive::Serialize)]
 pub enum SpliceCommand {
     SpliceNull {},
@@ -265,6 +266,10 @@ pub enum SpliceCommand {
         splice_time: SpliceTime,
     },
     BandwidthReservation {},
+    PrivateCommand {
+        identifier: u32,
+        private_bytes: Vec<u8>,
+    }
 }
 
 #[derive(Debug, serde_derive::Serialize)]
@@ -1251,6 +1256,7 @@ where
                 SpliceCommandType::BandwidthReservation => {
                     Some(Self::bandwidth_reservation(payload))
                 }
+                SpliceCommandType::PrivateCommand => Some(Self::private_command(payload)),
                 _ => None,
             };
             match splice_command {
@@ -1354,6 +1360,15 @@ where
         }
     }
 
+    fn private_command(payload: &[u8]) -> Result<SpliceCommand, SpliceDescriptorErr> {
+        let mut r = bitreader::BitReader::new(payload);
+        let identifier = r.read_u32(32).named("private_command.identifier")?;
+        Ok(SpliceCommand::PrivateCommand {
+            identifier,
+            private_bytes: payload[4..].to_vec(),
+        })
+    }
+
     fn read_splice_detail(
         r: &mut bitreader::BitReader<'_>,
         splice_event_cancel_indicator: bool,