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 "test/codec_factory.h"
16#include "test/encode_test_driver.h"
17#include "test/i420_video_source.h"
18#include "test/util.h"
19#include "test/md5_helper.h"
20#include "vpx_mem/vpx_mem.h"
21
22namespace {
23class TileIndependenceTest : public ::libvpx_test::EncoderTest,
24                             public ::libvpx_test::CodecTestWithParam<int> {
25 protected:
26  TileIndependenceTest()
27      : EncoderTest(GET_PARAM(0)), md5_fw_order_(), md5_inv_order_(),
28        n_tiles_(GET_PARAM(1)) {
29    init_flags_ = VPX_CODEC_USE_PSNR;
30    vpx_codec_dec_cfg_t cfg = vpx_codec_dec_cfg_t();
31    cfg.w = 704;
32    cfg.h = 144;
33    cfg.threads = 1;
34    fw_dec_ = codec_->CreateDecoder(cfg, 0);
35    inv_dec_ = codec_->CreateDecoder(cfg, 0);
36    inv_dec_->Control(VP9_INVERT_TILE_DECODE_ORDER, 1);
37  }
38
39  virtual ~TileIndependenceTest() {
40    delete fw_dec_;
41    delete inv_dec_;
42  }
43
44  virtual void SetUp() {
45    InitializeConfig();
46    SetMode(libvpx_test::kTwoPassGood);
47  }
48
49  virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
50                                  libvpx_test::Encoder *encoder) {
51    if (video->frame() == 1) {
52      encoder->Control(VP9E_SET_TILE_COLUMNS, n_tiles_);
53    }
54  }
55
56  void UpdateMD5(::libvpx_test::Decoder *dec, const vpx_codec_cx_pkt_t *pkt,
57                 ::libvpx_test::MD5 *md5) {
58    const vpx_codec_err_t res = dec->DecodeFrame(
59        reinterpret_cast<uint8_t *>(pkt->data.frame.buf), pkt->data.frame.sz);
60    if (res != VPX_CODEC_OK) {
61      abort_ = true;
62      ASSERT_EQ(VPX_CODEC_OK, res);
63    }
64    const vpx_image_t *img = dec->GetDxData().Next();
65    md5->Add(img);
66  }
67
68  virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
69    UpdateMD5(fw_dec_, pkt, &md5_fw_order_);
70    UpdateMD5(inv_dec_, pkt, &md5_inv_order_);
71  }
72
73  ::libvpx_test::MD5 md5_fw_order_, md5_inv_order_;
74  ::libvpx_test::Decoder *fw_dec_, *inv_dec_;
75
76 private:
77  int n_tiles_;
78};
79
80// run an encode with 2 or 4 tiles, and do the decode both in normal and
81// inverted tile ordering. Ensure that the MD5 of the output in both cases
82// is identical. If so, tiles are considered independent and the test passes.
83TEST_P(TileIndependenceTest, MD5Match) {
84  const vpx_rational timebase = { 33333333, 1000000000 };
85  cfg_.g_timebase = timebase;
86  cfg_.rc_target_bitrate = 500;
87  cfg_.g_lag_in_frames = 25;
88  cfg_.rc_end_usage = VPX_VBR;
89
90  libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 704, 144,
91                                     timebase.den, timebase.num, 0, 30);
92  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
93
94  const char *md5_fw_str = md5_fw_order_.Get();
95  const char *md5_inv_str = md5_inv_order_.Get();
96
97  // could use ASSERT_EQ(!memcmp(.., .., 16) here, but this gives nicer
98  // output if it fails. Not sure if it's helpful since it's really just
99  // a MD5...
100  ASSERT_STREQ(md5_fw_str, md5_inv_str);
101}
102
103VP9_INSTANTIATE_TEST_CASE(TileIndependenceTest, ::testing::Range(0, 2, 1));
104}  // namespace
105