1 files changed, 49 insertions, 0 deletions
diff --git a/libavcodec/vvc/intra.h b/libavcodec/vvc/intra.h
new file mode 100644
index 0000000000..8a02699135
--- /dev/null
+++ b/libavcodec/vvc/intra.h
@@ -0,0 +1,49 @@
+/*
+ * VVC intra prediction
+ *
+ * Copyright (C) 2021 Nuo Mi
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#ifndef AVCODEC_VVC_INTRA_H
+#define AVCODEC_VVC_INTRA_H
+
+#include "ctu.h"
+
+/**
+ * reconstruct a CTU
+ * @param lc local context for CTU
+ * @param rs raster order for the CTU.
+ * @param rx raster order x for the CTU.
+ * @param ry raster order y for the CTU.
+ * @return AVERROR
+ */
+int ff_vvc_reconstruct(VVCLocalContext *lc, const int rs, const int rx, const int ry);
+
+//utils for vvc_intra_template
+int ff_vvc_get_top_available(const VVCLocalContext *lc, int x0, int y0, int target_size, int c_idx);
+int ff_vvc_get_left_available(const VVCLocalContext *lc, int x0, int y0, int target_size, int c_idx);
+int ff_vvc_get_mip_size_id(int w, int h);
+int ff_vvc_need_pdpc(int w, int h, uint8_t bdpcm_flag, int mode, int ref_idx);
+int ff_vvc_nscale_derive(int w, int h, int mode);
+int ff_vvc_ref_filter_flag_derive(int mode);
+int ff_vvc_intra_pred_angle_derive(int pred_mode);
+int ff_vvc_intra_inv_angle_derive(int pred_mode);
+int ff_vvc_wide_angle_mode_mapping(const CodingUnit *cu,
+    int tb_width, int tb_height, int c_idx, int pred_mode_intra);
+
+#endif // AVCODEC_VVC_INTRA_H