1 files changed, 43 insertions, 0 deletions
diff --git a/vapi/libwebpdemux.vapi b/vapi/libwebpdemux.vapi
new file mode 100644
index 0000000..7612b42
--- /dev/null
+++ b/vapi/libwebpdemux.vapi
@@ -0,0 +1,43 @@
+namespace WebP {
+    [CCode (has_type_id = false)]
+    public struct Data {
+        [CCode (array_length_cname = "size")]
+        public unowned uint8[] bytes;
+
+        public size_t size;
+
+        [CCode (cname = "WebPDataClear")]
+        public void clear();
+    }
+
+    [CCode (cprefix = "WEBP_DEMUX_", cname = "WebPDemuxState")]
+    public enum ParsingState {
+        PARSE_ERROR,
+        PARSING_HEADER,
+        PARSED_HEADER,
+        DONE
+    }
+
+    [CCode (cprefix = "WEBP_FF_")]
+    public enum FormatFeature {
+        FORMAT_FLAGS,
+        CANVAS_WIDTH,
+        CANVAS_HEIGHT,
+        LOOP_COUNT,
+        BACKGROUND_COLOR,
+        FRAME_COUNT
+    }
+
+    [Compact]
+    [CCode (free_function = "WebPDemuxDelete", cname = "WebPDemuxer", cheader_filename = "webp/demux.h", has_type_id = false)]
+    public class Demuxer {
+        [CCode (cname="WebPDemux")]
+        public Demuxer(Data data);
+
+        [CCode (cname="WebPDemuxPartial")]
+        public Demuxer.partial(Data data, out ParsingState state);
+
+        [CCode (cname="WebPDemuxGetI")]
+        public uint32 get(FormatFeature feature);
+    }
+}