sixtap_predict_test.cc

/*
*  Copyright (c) 2012 The WebM project authors. All Rights Reserved.
*
*  Use of this source code is governed by a BSD-style license
*  that can be found in the LICENSE file in the root of the source
*  tree. An additional intellectual property rights grant can be found
*  in the file PATENTS.  All contributing project authors may
*  be found in the AUTHORS file in the root of the source tree.
*/

#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "test/acm_random.h"
#include "test/clear_system_state.h"
#include "test/register_state_check.h"
#include "test/util.h"
#include "third_party/googletest/src/include/gtest/gtest.h"
extern "C" {
#include "./vpx_config.h"
#include "./vp8_rtcd.h"
#include "vpx/vpx_integer.h"
#include "vpx_mem/vpx_mem.h"
}

namespace {

typedef void (*sixtap_predict_fn_t)(uint8_t *src_ptr,
                                    int  src_pixels_per_line,
                                    int  xoffset,
                                    int  yoffset,
                                    uint8_t *dst_ptr,
                                    int  dst_pitch);

typedef std::tr1::tuple<int, int, sixtap_predict_fn_t> sixtap_predict_param_t;

class SixtapPredictTest
    : public ::testing::TestWithParam<sixtap_predict_param_t> {
 public:
  static void SetUpTestCase() {
    src_ = reinterpret_cast<uint8_t*>(vpx_memalign(kDataAlignment, kSrcSize));
    dst_ = reinterpret_cast<uint8_t*>(vpx_memalign(kDataAlignment, kDstSize));
    dst_c_ = reinterpret_cast<uint8_t*>(vpx_memalign(kDataAlignment, kDstSize));
  }

  static void TearDownTestCase() {
    vpx_free(src_);
    src_ = NULL;
    vpx_free(dst_);
    dst_ = NULL;
    vpx_free(dst_c_);
    dst_c_ = NULL;
  }

  virtual void TearDown() {
    libvpx_test::ClearSystemState();
  }

 protected:
  // Make test arrays big enough for 16x16 functions. Six-tap filters
  // need 5 extra pixels outside of the macroblock.
  static const int kSrcStride = 21;
  static const int kDstStride = 16;
  static const int kDataAlignment = 16;
  static const int kSrcSize = kSrcStride * kSrcStride + 1;
  static const int kDstSize = kDstStride * kDstStride;

  virtual void SetUp() {
    width_ = GET_PARAM(0);
    height_ = GET_PARAM(1);