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diff --git a/common/ih264_trans_quant_itrans_iquant.h b/common/ih264_trans_quant_itrans_iquant.h
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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_trans_quant.h
+ *
+ * @brief
+ *  Contains declarations for forward and inverse transform paths for H264
+ *
+ * @author
+ *  Ittiam
+ *
+ * @remarks
+ *
+ *******************************************************************************
+ */
+
+#ifndef IH264_TRANS_QUANT_H_
+#define IH264_TRANS_QUANT_H_
+
+/*****************************************************************************/
+/* Extern Function Declarations                                              */
+/*****************************************************************************/
+
+
+typedef void ih264_resi_trans_dctrans_quant_ft(UWORD8*pu1_src,
+                                       UWORD8 *pu1_pred,
+                                       WORD16 *pi2_out,
+                                       WORD32 src_strd,
+                                       WORD32 pred_strd,
+                                       WORD32 dst_strd,
+                                       const UWORD16 *pu2_scale_mat,
+                                       const UWORD16 *pu2_thresh_mat,
+                                       UWORD32 u4_qbit,
+                                       UWORD32 u4_round_fact,
+                                       UWORD8 *pu1_nnz);
+
+typedef void ih264_idctrans_iquant_itrans_recon_ft(WORD16 *pi2_src,
+                                          UWORD8 *pu1_pred,
+                                          UWORD8 *pu1_out,
+                                          WORD32 src_strd,
+                                          WORD32 pred_strd,
+                                          WORD32 out_strd,
+                                          const UWORD16 *pu2_iscale_mat,
+                                          const UWORD16 *pu2_weigh_mat,
+                                          UWORD32 qp_div,
+                                          UWORD32 pi4_cntrl,
+                                          WORD32 *pi4_tmp);
+
+
+/*Function prototype declarations*/
+typedef void ih264_resi_trans_quant_ft(UWORD8*pu1_src,
+                                       UWORD8 *pu1_pred,
+                                       WORD16 *pi2_out,
+                                       WORD32 src_strd,
+                                       WORD32 pred_strd,
+                                       const UWORD16 *pu2_scale_mat,
+                                       const UWORD16 *pu2_thresh_mat,
+                                       UWORD32 u4_qbit,
+                                       UWORD32 u4_round_fact,
+                                       UWORD8 *pu1_nnz,
+                                       WORD16 *pi2_alt_dc_addr);
+
+typedef void ih264_luma_16x16_resi_trans_dctrans_quant_ft(UWORD8 *pu1_src,
+                                                          UWORD8 *pu1_pred,
+                                                          WORD16 *pi2_out,
+                                                          WORD32 src_strd,
+                                                          WORD32 pred_strd,
+                                                          WORD32 dst_strd,
+                                                          const UWORD16 *pu2_scale_matrix,
+                                                          const UWORD16 *pu2_threshold_matrix,
+                                                          UWORD32 u4_qbits,
+                                                          UWORD32 u4_round_factor,
+                                                          UWORD8 *pu1_nnz,
+                                                          UWORD32 u4_dc_flag);
+
+typedef void ih264_chroma_8x8_resi_trans_dctrans_quant_ft(UWORD8 *pu1_src,
+                                                          UWORD8 *pu1_pred,
+                                                          WORD16 *pi2_out,
+                                                          WORD32 src_strd,
+                                                          WORD32 pred_strd,
+                                                          WORD32 dst_strd,
+                                                          const UWORD16 *pu2_scale_matrix,
+                                                          const UWORD16 *pu2_threshold_matrix,
+                                                          UWORD32 u4_qbits,
+                                                          UWORD32 u4_round_factor,
+                                                          UWORD8 *pu1_nnz);
+
+typedef void ih264_iquant_itrans_recon_ft(WORD16 *pi2_src,
+                                          UWORD8 *pu1_pred,
+                                          UWORD8 *pu1_out,
+                                          WORD32 pred_strd,
+                                          WORD32 out_strd,
+                                          const UWORD16 *pu2_iscale_mat,
+                                          const UWORD16 *pu2_weigh_mat,
+                                          UWORD32 qp_div,
+                                          WORD16 *pi2_tmp,
+                                          WORD32 iq_start_idx,
+                                          WORD16 *pi2_dc_ld_addr);
+
+
+typedef void ih264_iquant_itrans_recon_chroma_ft(WORD16 *pi2_src,
+                                                 UWORD8 *pu1_pred,
+                                                 UWORD8 *pu1_out,
+                                                 WORD32 pred_strd,
+                                                 WORD32 out_strd,
+                                                 const UWORD16 *pu2_iscal_mat,
+                                                 const UWORD16 *pu2_weigh_mat,
+                                                 UWORD32 u4_qp_div_6,
+                                                 WORD16 *pi2_tmp,
+                                                 WORD16 *pi2_dc_src);
+
+
+typedef void ih264_luma_16x16_idctrans_iquant_itrans_recon_ft(WORD16 *pi2_src,
+                                                              UWORD8 *pu1_pred,
+                                                              UWORD8 *pu1_out,
+                                                              WORD32 src_strd,
+                                                              WORD32 pred_strd,
+                                                              WORD32 out_strd,
+                                                              const UWORD16 *pu2_iscale_mat,
+                                                              const UWORD16 *pu2_weigh_mat,
+                                                              UWORD32 qp_div,
+                                                              UWORD32 pi4_cntrl,
+                                                              UWORD32 u4_dc_trans_flag,
+                                                              WORD32 *pi4_tmp);
+
+typedef void ih264_chroma_8x8_idctrans_iquant_itrans_recon_ft(WORD16 *pi2_src,
+                                                              UWORD8 *pu1_pred,
+                                                              UWORD8 *pu1_out,
+                                                              WORD32 src_strd,
+                                                              WORD32 pred_strd,
+                                                              WORD32 out_strd,
+                                                              const UWORD16 *pu2_iscale_mat,
+                                                              const UWORD16 *pu2_weigh_mat,
+                                                              UWORD32 qp_div,
+                                                              UWORD32 pi4_cntrl,
+                                                              WORD32 *pi4_tmp);
+
+typedef void ih264_ihadamard_scaling_ft(WORD16* pi2_src,
+                                        WORD16* pi2_out,
+                                        const UWORD16 *pu2_iscal_mat,
+                                        const UWORD16 *pu2_weigh_mat,
+                                        UWORD32 u4_qp_div_6,
+                                        WORD32* pi4_tmp);
+
+typedef void ih264_hadamard_quant_ft(WORD16 *pi2_src, WORD16 *pi2_dst,
+                                    const UWORD16 *pu2_scale_matrix,
+                                    const UWORD16 *pu2_threshold_matrix, UWORD32 u4_qbits,
+                                    UWORD32 u4_round_factor,UWORD8  *pu1_nnz);
+
+ih264_resi_trans_quant_ft ih264_resi_trans_quant_4x4;
+ih264_resi_trans_quant_ft ih264_resi_trans_quant_chroma_4x4;
+ih264_resi_trans_quant_ft ih264_resi_trans_quant_8x8;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_4x4;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_8x8;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_4x4_dc;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_8x8_dc;
+ih264_iquant_itrans_recon_chroma_ft ih264_iquant_itrans_recon_chroma_4x4;
+ih264_iquant_itrans_recon_chroma_ft ih264_iquant_itrans_recon_chroma_4x4_dc;
+ih264_ihadamard_scaling_ft ih264_ihadamard_scaling_4x4;
+ih264_ihadamard_scaling_ft ih264_ihadamard_scaling_2x2_uv;
+ih264_hadamard_quant_ft ih264_hadamard_quant_4x4;
+ih264_hadamard_quant_ft ih264_hadamard_quant_2x2_uv;
+
+/*A9 Declarations*/
+ih264_resi_trans_quant_ft ih264_resi_trans_quant_4x4_a9;
+ih264_resi_trans_quant_ft ih264_resi_trans_quant_chroma_4x4_a9;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_4x4_a9;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_8x8_a9;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_4x4_dc_a9;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_8x8_dc_a9;
+ih264_iquant_itrans_recon_chroma_ft ih264_iquant_itrans_recon_chroma_4x4_a9;
+ih264_iquant_itrans_recon_chroma_ft ih264_iquant_itrans_recon_chroma_4x4_dc_a9;
+ih264_luma_16x16_resi_trans_dctrans_quant_ft ih264_luma_16x16_resi_trans_dctrans_quant_a9;
+ih264_chroma_8x8_resi_trans_dctrans_quant_ft ih264_chroma_8x8_resi_trans_dctrans_quant_a9;
+ih264_luma_16x16_idctrans_iquant_itrans_recon_ft ih264_luma_16x16_idctrans_iquant_itrans_recon_a9;
+ih264_chroma_8x8_idctrans_iquant_itrans_recon_ft ih264_chroma_8x8_idctrans_iquant_itrans_recon_a9;
+ih264_ihadamard_scaling_ft ih264_ihadamard_scaling_4x4_a9;
+ih264_ihadamard_scaling_ft ih264_ihadamard_scaling_2x2_uv_a9;
+ih264_hadamard_quant_ft ih264_hadamard_quant_4x4_a9;
+ih264_hadamard_quant_ft ih264_hadamard_quant_2x2_uv_a9;
+
+/*Av8 Declarations*/
+ih264_resi_trans_quant_ft ih264_resi_trans_quant_4x4_av8;
+ih264_resi_trans_quant_ft ih264_resi_trans_quant_chroma_4x4_av8;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_4x4_av8;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_8x8_av8;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_4x4_dc_av8;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_8x8_dc_av8;
+ih264_iquant_itrans_recon_chroma_ft ih264_iquant_itrans_recon_chroma_4x4_av8;
+ih264_iquant_itrans_recon_chroma_ft ih264_iquant_itrans_recon_chroma_4x4_dc_av8;
+ih264_ihadamard_scaling_ft ih264_ihadamard_scaling_4x4_av8;
+ih264_ihadamard_scaling_ft ih264_ihadamard_scaling_2x2_uv_av8;
+ih264_hadamard_quant_ft ih264_hadamard_quant_4x4_av8;
+ih264_hadamard_quant_ft ih264_hadamard_quant_2x2_uv_av8;
+
+/*SSSE3 Declarations*/
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_4x4_ssse3;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_8x8_ssse3;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_4x4_dc_ssse3;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_8x8_dc_ssse3;
+ih264_iquant_itrans_recon_chroma_ft ih264_iquant_itrans_recon_chroma_4x4_dc_ssse3;
+ih264_ihadamard_scaling_ft ih264_ihadamard_scaling_4x4_ssse3;
+ih264_ihadamard_scaling_ft ih264_ihadamard_scaling_2x2_uv_ssse3;
+/*SSSE42 Declarations*/
+ih264_resi_trans_quant_ft ih264_resi_trans_quant_4x4_sse42;
+ih264_resi_trans_quant_ft ih264_resi_trans_quant_chroma_4x4_sse42;
+ih264_iquant_itrans_recon_ft ih264_iquant_itrans_recon_4x4_sse42;
+ih264_iquant_itrans_recon_chroma_ft ih264_iquant_itrans_recon_chroma_4x4_sse42;
+ih264_ihadamard_scaling_ft ih264_ihadamard_scaling_4x4_sse42;
+ih264_hadamard_quant_ft ih264_hadamard_quant_4x4_sse42;
+ih264_hadamard_quant_ft ih264_hadamard_quant_2x2_uv_sse42;
+
+#endif /* IH264_TRANS_QUANT_H_ */