X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-core%2Fsrc%2Fmuxers%2Fmod.rs;h=e8a1afbcab46d871a4bf7244ffc086c993310751;hb=cceb524cf46b4a768c703fdbae5abe1dae11a92c;hp=ba6f780081297c52b8c7e9eade5dfc7db16ada25;hpb=a92964d593be4ebf96706842c02b428d68325b8d;p=nihav.git

diff --git a/nihav-core/src/muxers/mod.rs b/nihav-core/src/muxers/mod.rs
index ba6f780..e8a1afb 100644
--- a/nihav-core/src/muxers/mod.rs
+++ b/nihav-core/src/muxers/mod.rs
@@ -28,6 +28,27 @@ pub enum MuxerError {
 /// A specialised `Result` type for muxing operations.
 pub type MuxerResult<T> = Result<T, MuxerError>;
 
+/// Muxer capabilities.
+#[derive(Clone,Copy,Debug,PartialEq)]
+pub enum MuxerCapabilities {
+    /// Muxer accepts single video stream with certain codec.
+    ///
+    /// Codec name `"any"` means various codecs are supported.
+    SingleVideo(&'static str),
+    /// Muxer accepts single audio stream with certain codec.
+    ///
+    /// Codec name `"any"` means various codecs are supported.
+    SingleAudio(&'static str),
+    /// Muxer accepts single video stream and single audio stream with defined codecs.
+    SingleVideoAndAudio(&'static str, &'static str),
+    /// Muxer accepts only video streams but can mux several video streams.
+    OnlyVideo,
+    /// Muxer accepts only audio streams but can mux several video streams..
+    OnlyAudio,
+    /// Muxer accepts variable amount of streams of any type.
+    Universal,
+}
+
 impl From<ByteIOError> for MuxerError {
     fn from(_: ByteIOError) -> Self { MuxerError::IOError }
 }
@@ -95,6 +116,8 @@ pub trait MuxerCreator {
     fn new_muxer<'a>(&self, bw: &'a mut ByteWriter<'a>) -> Box<dyn MuxCore<'a> + 'a>;
     /// Returns the name of current muxer creator (equal to the container name it can create).
     fn get_name(&self) -> &'static str;
+    /// Returns muxer capabilities for the current muxer.
+    fn get_capabilities(&self) -> MuxerCapabilities;
 }
 
 /// Creates muxer for a provided bytestream writer.