test/user_priv_test.cc

   1 /*
   2  *  Copyright (c) 2013 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 #include <cstdio>
  12 #include <cstdlib>
  13 #include <string>
  14 #include "third_party/googletest/src/include/gtest/gtest.h"
  15 #include "./vpx_config.h"
  16 #include "test/acm_random.h"
  17 #include "test/codec_factory.h"
  18 #include "test/decode_test_driver.h"
  19 #include "test/ivf_video_source.h"
  20 #include "test/md5_helper.h"
  21 #include "test/util.h"
  22 #if CONFIG_WEBM_IO
  23 #include "test/webm_video_source.h"
  24 #endif
  25 #include "vpx_mem/vpx_mem.h"
  26 #include "vpx/vp8.h"
  27
  28 namespace {
  29
  30 using std::string;
  31 using libvpx_test::ACMRandom;
  32
  33 #if CONFIG_WEBM_IO
  34
  35 void CheckUserPrivateData(void *user_priv, int *target) {
  36   // actual pointer value should be the same as expected.
  37   EXPECT_EQ(reinterpret_cast<void *>(target), user_priv) <<
  38       "user_priv pointer value does not match.";
  39 }
  40
  41 // Decodes |filename|. Passes in user_priv data when calling DecodeFrame and
  42 // compares the user_priv from return img with the original user_priv to see if
  43 // they match. Both the pointer values and the values inside the addresses
  44 // should match.
  45 string DecodeFile(const string &filename) {
  46   ACMRandom rnd(ACMRandom::DeterministicSeed());
  47   libvpx_test::WebMVideoSource video(filename);
  48   video.Init();
  49
  50   vpx_codec_dec_cfg_t cfg = vpx_codec_dec_cfg_t();
  51   libvpx_test::VP9Decoder decoder(cfg, 0);
  52
  53   libvpx_test::MD5 md5;
  54   int frame_num = 0;
  55   for (video.Begin(); !::testing::Test::HasFailure() && video.cxdata();
  56        video.Next()) {
  57     void *user_priv = reinterpret_cast<void *>(&frame_num);
  58     const vpx_codec_err_t res =
  59         decoder.DecodeFrame(video.cxdata(), video.frame_size(),
  60                             (frame_num == 0) ? NULL : user_priv);
  61     if (res != VPX_CODEC_OK) {
  62       EXPECT_EQ(VPX_CODEC_OK, res) << decoder.DecodeError();
  63       break;
  64     }
  65     libvpx_test::DxDataIterator dec_iter = decoder.GetDxData();
  66     const vpx_image_t *img = NULL;
  67
  68     // Get decompressed data.
  69     while ((img = dec_iter.Next())) {
  70       if (frame_num == 0) {
  71         CheckUserPrivateData(img->user_priv, NULL);
  72       } else {
  73         CheckUserPrivateData(img->user_priv, &frame_num);
  74
  75         // Also test ctrl_get_reference api.
  76         struct vp9_ref_frame ref;
  77         // Randomly fetch a reference frame.
  78         ref.idx = rnd.Rand8() % 3;
  79         decoder.Control(VP9_GET_REFERENCE, &ref);
  80
  81         CheckUserPrivateData(ref.img.user_priv, NULL);
  82       }
  83       md5.Add(img);
  84     }
  85
  86     frame_num++;
  87   }
  88   return string(md5.Get());
  89 }
  90
  91 TEST(UserPrivTest, VideoDecode) {
  92   // no tiles or frame parallel; this exercises the decoding to test the
  93   // user_priv.
  94   EXPECT_STREQ("b35a1b707b28e82be025d960aba039bc",
  95                DecodeFile("vp90-2-03-size-226x226.webm").c_str());
  96 }
  97
  98 #endif  // CONFIG_WEBM_IO
  99
 100 }  // namespace