1 /* 2 * Copyright (c) 2015 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VPX_DSP_VPX_FILTER_H_ 12 #define VPX_DSP_VPX_FILTER_H_ 13 14 #include "vpx/vpx_integer.h" 15 16 #ifdef __cplusplus 17 extern "C" { 18 #endif 19 20 #define FILTER_BITS 7 21 22 #define SUBPEL_BITS 4 23 #define SUBPEL_MASK ((1 << SUBPEL_BITS) - 1) 24 #define SUBPEL_SHIFTS (1 << SUBPEL_BITS) 25 #define SUBPEL_TAPS 8 26 27 typedef int16_t InterpKernel[SUBPEL_TAPS]; 28 29 #ifdef __cplusplus 30 } // extern "C" 31 #endif 32 33 #endif // VPX_DSP_VPX_FILTER_H_ 34
