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
22 namespace {
23 class TileIndependenceTest : public ::libvpx_test::EncoderTest,
24 public ::libvpx_test::CodecTestWithParam<int> {
25 protected:
TileIndependenceTest()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
~TileIndependenceTest()39 virtual ~TileIndependenceTest() {
40 delete fw_dec_;
41 delete inv_dec_;
42 }
43
SetUp()44 virtual void SetUp() {
45 InitializeConfig();
46 SetMode(libvpx_test::kTwoPassGood);
47 }
48
PreEncodeFrameHook(libvpx_test::VideoSource * video,libvpx_test::Encoder * encoder)49 virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
50 libvpx_test::Encoder *encoder) {
51 if (video->frame() == 0) {
52 encoder->Control(VP9E_SET_TILE_COLUMNS, n_tiles_);
53 }
54 }
55
UpdateMD5(::libvpx_test::Decoder * dec,const vpx_codec_cx_pkt_t * pkt,::libvpx_test::MD5 * md5)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
FramePktHook(const vpx_codec_cx_pkt_t * pkt)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.
TEST_P(TileIndependenceTest,MD5Match)83 TEST_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
103 VP9_INSTANTIATE_TEST_CASE(TileIndependenceTest, ::testing::Range(0, 2, 1));
104 } // namespace
105