1 files changed, 48 insertions, 0 deletions
diff --git a/third_party/dav1d/src/itx.h b/third_party/dav1d/src/itx.h
new file mode 100644
index 0000000000..d522079907
--- /dev/null
+++ b/third_party/dav1d/src/itx.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright © 2018-2021, VideoLAN and dav1d authors
+ * Copyright © 2018, Two Orioles, LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef DAV1D_SRC_ITX_H
+#define DAV1D_SRC_ITX_H
+
+#include <stddef.h>
+
+#include "common/bitdepth.h"
+
+#include "src/levels.h"
+
+#define decl_itx_fn(name) \
+void (name)(pixel *dst, ptrdiff_t dst_stride, coef *coeff, int eob \
+            HIGHBD_DECL_SUFFIX)
+typedef decl_itx_fn(*itxfm_fn);
+
+typedef struct Dav1dInvTxfmDSPContext {
+    itxfm_fn itxfm_add[N_RECT_TX_SIZES][N_TX_TYPES_PLUS_LL];
+} Dav1dInvTxfmDSPContext;
+
+bitfn_decls(void dav1d_itx_dsp_init, Dav1dInvTxfmDSPContext *c, int bpc);
+
+#endif /* DAV1D_SRC_ITX_H */