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      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
    101