1 files changed, 46 insertions, 0 deletions
diff --git a/src/fmt/nut.h b/src/fmt/nut.h
new file mode 100644
index 0000000..383eaad
--- /dev/null
+++ b/src/fmt/nut.h
@@ -0,0 +1,46 @@
+#ifndef ANIMTOOL_NUT_H_
+#define ANIMTOOL_NUT_H_
+
+#include <stdio.h>
+#include "util/str.h"
+#include "util/container.h"
+
+enum nut_output_type : uint8_t {
+    NUT_OUT_FILE,
+    NUT_OUT_STATIC,
+    NUT_OUT_HEAP,
+};
+
+struct nut_output
+{
+    enum nut_output_type type;
+    size_t len;
+    union {
+        FILE *file;
+        struct {
+            size_t cap;
+            char *ptr;
+        };
+    };
+};
+
+struct nut_syncp_off
+{
+    size_t off;
+    size_t num;
+};
+
+struct nut_writer
+{
+    struct nut_output out;  
+    size_t frame_size;
+    size_t last_syncpoint;
+    size_t n_frame;
+    arraybuf(struct nut_syncp_off) syncp_offs;
+};
+
+void nut_write_start(struct nut_writer *wr, FILE *f, unsigned int fps, unsigned int size[2]);
+void nut_write_frame(struct nut_writer *wr, void *data);
+void nut_write_end(struct nut_writer *wr);
+
+#endif