--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/foosdk/sdk/foobar2000/SDK/audioEncoder.h	Mon Jan 05 02:15:46 2026 -0500
@@ -0,0 +1,27 @@
+#pragma once
+
+namespace fb2k {
+    //! \since 2.0
+    struct audioEncoderSetup_t {
+        audio_chunk::spec_t spec;
+        uint32_t bps;
+        double durationHint; // Optional; if > 0 signals the encoder expected PCM stream length in advance to avoid rewriting headers
+    };
+    //! \since 2.0
+    class audioEncoderInstance : public service_base {
+        FB2K_MAKE_SERVICE_INTERFACE( audioEncoderInstance, service_base);
+    public:
+        virtual void addChunk( const audio_chunk & chunk, abort_callback & aborter ) = 0;
+        virtual void finalize( abort_callback & aborter ) = 0;
+    };
+    
+    //! \since 2.0
+    class audioEncoder : public service_base {
+        FB2K_MAKE_SERVICE_INTERFACE_ENTRYPOINT( audioEncoder );
+    public:
+        virtual const char * formatExtension() = 0;
+        virtual audioEncoderInstance::ptr open( file::ptr outFile, audioEncoderSetup_t const & spec, abort_callback & aborter ) = 0;
+        
+        static audioEncoderInstance::ptr g_open( const char * targetPath, file::ptr fileHint, audioEncoderSetup_t const & spec, abort_callback & aborter );
+    };
+}