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
28namespace {
29
30using std::string;
31using libvpx_test::ACMRandom;
32
33#if CONFIG_WEBM_IO
34
35void 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.
45string 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
91TEST(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