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+/******************************************************************************
+ *
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ *****************************************************************************
+ * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
+*/
+/**
+ *******************************************************************************
+ * @file
+ *  ih264_intra_pred_filters.h
+ *
+ * @brief
+ *  Declarations of functions used for intra prediction
+ *
+ * @author
+ *  Ittiam
+ *
+ * @remarks
+ *  None
+ *
+ *******************************************************************************
+ */
+
+#ifndef IH264_INTRA_PRED_FILTERS_H_
+
+#define IH264_INTRA_PRED_FILTERS_H_
+
+/*****************************************************************************/
+/*  Macro Expansion                                                          */
+/*****************************************************************************/
+
+/*! Filter (1,2,1) i.e (a + 2b + c) / 4 */
+#define FILT121(a,b,c) ((a + (b<<1) + c + 2)>>2)
+/*! Filter (1,1) i.e (a + b) / 2 */
+#define FILT11(a,b) ((a + b + 1)>>1)
+/*****************************************************************************/
+/*  Global Variables                                                        */
+/*****************************************************************************/
+
+/* Global variables used only in assembly files*/
+extern const WORD8  ih264_gai1_intrapred_luma_plane_coeffs[];
+extern const WORD8  ih264_gai1_intrapred_chroma_plane_coeffs1[];
+extern const WORD8  ih264_gai1_intrapred_chroma_plane_coeffs2[];
+extern const WORD8  ih264_gai1_intrapred_luma_8x8_horz_u[];
+
+/*****************************************************************************/
+/* Extern Function Declarations                                              */
+/*****************************************************************************/
+
+
+typedef void ih264_intra_pred_ref_filtering_ft(UWORD8 *pu1_left,
+                                               UWORD8 *pu1_topleft,
+                                               UWORD8 *pu1_top,
+                                               UWORD8 *pu1_dst,
+                                               WORD32 left_strd,
+                                               WORD32 ngbr_avail);
+
+typedef void ih264_intra_pred_luma_ft(UWORD8 *pu1_src,
+                                      UWORD8 *pu1_dst,
+                                      WORD32 src_strd,
+                                      WORD32 dst_strd,
+                                      WORD32 ngbr_avail);
+
+/* No Neon Definitions */
+
+/* Luma 4x4 Intra pred filters */
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_vert;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_horz;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_dc;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_diag_dl;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_diag_dr;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_vert_r;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_horz_d;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_vert_l;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_horz_u;
+
+/* Luma 8x8 Intra pred filters */
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_vert;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_horz;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_dc;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_diag_dl;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_diag_dr;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_vert_r;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_horz_d;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_vert_l;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_horz_u;
+
+/* Luma 16x16 Intra pred filters */
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_vert;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_horz;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_dc;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_plane;
+
+/* Chroma 8x8 Intra pred filters */
+
+typedef ih264_intra_pred_luma_ft ih264_intra_pred_chroma_ft;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_dc;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_horz;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_vert;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_plane;
+
+
+ih264_intra_pred_ref_filtering_ft  ih264_intra_pred_luma_8x8_mode_ref_filtering;
+
+/* A9 Definition */
+
+/* Luma 4x4 Intra pred filters */
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_vert_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_horz_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_dc_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_diag_dl_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_diag_dr_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_vert_r_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_horz_d_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_vert_l_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_horz_u_a9q;
+
+/* Luma 8x8 Intra pred filters */
+
+ih264_intra_pred_ref_filtering_ft  ih264_intra_pred_luma_8x8_mode_ref_filtering_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_vert_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_horz_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_dc_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_diag_dl_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_diag_dr_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_vert_r_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_horz_d_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_vert_l_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_horz_u_a9q;
+
+/* Luma 16x16 Intra pred filters */
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_vert_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_horz_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_dc_a9q;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_plane_a9q;
+
+/* Chroma 8x8 Intra pred filters */
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_dc_a9q;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_horz_a9q;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_vert_a9q;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_plane_a9q;
+
+/* X86 Intrinsic Definitions */
+
+/* Luma 4x4 Intra pred filters */
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_vert_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_horz_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_dc_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_diag_dl_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_diag_dr_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_vert_r_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_horz_d_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_vert_l_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_horz_u_ssse3;
+
+/* Luma 8x8 Intra pred filters */
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_vert_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_horz_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_dc_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_diag_dl_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_diag_dr_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_vert_r_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_horz_d_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_vert_l_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_horz_u_ssse3;
+
+/* Luma 16x16 Intra pred filters */
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_vert_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_horz_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_dc_ssse3;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_plane_ssse3;
+
+/* Chroma 8x8 Intra pred filters */
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_dc_ssse3;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_horz_ssse3;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_vert_ssse3;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_plane_ssse3;
+
+/* AV8 Definition */
+
+/* Luma 4x4 Intra pred filters */
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_vert_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_horz_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_dc_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_diag_dl_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_diag_dr_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_vert_r_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_horz_d_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_vert_l_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_4x4_mode_horz_u_av8;
+
+/* Luma 8x8 Intra pred filters */
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_vert_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_horz_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_dc_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_diag_dl_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_diag_dr_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_vert_r_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_horz_d_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_vert_l_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_8x8_mode_horz_u_av8;
+
+/* Luma 16x16 Intra pred filters */
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_vert_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_horz_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_dc_av8;
+
+ih264_intra_pred_luma_ft  ih264_intra_pred_luma_16x16_mode_plane_av8;
+
+/* Chroma 8x8 Intra pred filters */
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_dc_av8;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_horz_av8;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_vert_av8;
+
+ih264_intra_pred_chroma_ft ih264_intra_pred_chroma_8x8_mode_plane_av8;
+
+#endif /* IH264_INTRA_PRED_FILTERS_H_ */