/* *  Copyright (c) 2013 The WebM project authors. All Rights Reserved. * *  Use of this source code is governed by a BSD-style license *  that can be found in the LICENSE file in the root of the source *  tree. An additional intellectual property rights grant can be found *  in the file PATENTS.  All contributing project authors may *  be found in the AUTHORS file in the root of the source tree. */ #include <cstdio>#include <cstdlib>#include <string>#include "third_party/googletest/src/include/gtest/gtest.h"#include "test/codec_factory.h"#include "test/encode_test_driver.h"#include "test/i420_video_source.h"#include "test/util.h"#include "test/md5_helper.h"#include "vpx_mem/vpx_mem.h" namespace {class TileIndependenceTest : public ::libvpx_test::EncoderTest,                             public ::libvpx_test::CodecTestWithParam<int> { protected:  TileIndependenceTest()      : EncoderTest(GET_PARAM(0)), md5_fw_order_(), md5_inv_order_(),        n_tiles_(GET_PARAM(1)) {    init_flags_ = VPX_CODEC_USE_PSNR;    vpx_codec_dec_cfg_t cfg = vpx_codec_dec_cfg_t();    cfg.w = 704;    cfg.h = 144;    cfg.threads = 1;    fw_dec_ = codec_->CreateDecoder(cfg, 0);    inv_dec_ = codec_->CreateDecoder(cfg, 0);    inv_dec_->Control(VP9_INVERT_TILE_DECODE_ORDER, 1);  }   virtual ~TileIndependenceTest() {    delete fw_dec_;    delete inv_dec_;  }   virtual void SetUp() {    InitializeConfig();    SetMode(libvpx_test::kTwoPassGood);  }   virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,                                  libvpx_test::Encoder *encoder) {    if (video->frame() == 0) {      encoder->Control(VP9E_SET_TILE_COLUMNS, n_tiles_);    }  }   void UpdateMD5(::libvpx_test::Decoder *dec, const vpx_codec_cx_pkt_t *pkt,                 ::libvpx_test::MD5 *md5) {    const vpx_codec_err_t res = dec->DecodeFrame(        reinterpret_cast<uint8_t *>(pkt->data.frame.buf), pkt->data.frame.sz);    if (res != VPX_CODEC_OK) {      abort_ = true;      ASSERT_EQ(VPX_CODEC_OK, res);    }    const vpx_image_t *img = dec->GetDxData().Next();    md5->Add(img);  }   virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {    UpdateMD5(fw_dec_, pkt, &md5_fw_order_);    UpdateMD5(inv_dec_, pkt, &md5_inv_order_);  }   ::libvpx_test::MD5 md5_fw_order_, md5_inv_order_;  ::libvpx_test::Decoder *fw_dec_, *inv_dec_;  private:  int n_tiles_;}; // run an encode with 2 or 4 tiles, and do the decode both in normal and// inverted tile ordering. Ensure that the MD5 of the output in both cases// is identical. If so, tiles are considered independent and the test passes.TEST_P(TileIndependenceTest, MD5Match) {  const vpx_rational timebase = { 33333333, 1000000000 };  cfg_.g_timebase = timebase;  cfg_.rc_target_bitrate = 500;  cfg_.g_lag_in_frames = 25;  cfg_.rc_end_usage = VPX_VBR;   libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 704, 144,                                     timebase.den, timebase.num, 0, 30);  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));   const char *md5_fw_str = md5_fw_order_.Get();  const char *md5_inv_str = md5_inv_order_.Get();   // could use ASSERT_EQ(!memcmp(.., .., 16) here, but this gives nicer  // output if it fails. Not sure if it's helpful since it's really just  // a MD5...  ASSERT_STREQ(md5_fw_str, md5_inv_str);} VP9_INSTANTIATE_TEST_SUITE(TileIndependenceTest, ::testing::Range(0, 2, 1));}  // namespace