1/* 2 * Copyright (c) 2012 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#include "third_party/googletest/src/include/gtest/gtest.h" 11#include "test/codec_factory.h" 12#include "test/encode_test_driver.h" 13#include "test/i420_video_source.h" 14#include "test/util.h" 15namespace { 16 17// lookahead range: [kLookAheadMin, kLookAheadMax). 18const int kLookAheadMin = 5; 19const int kLookAheadMax = 26; 20 21class AltRefTest : public ::libvpx_test::EncoderTest, 22 public ::libvpx_test::CodecTestWithParam<int> { 23 protected: 24 AltRefTest() : EncoderTest(GET_PARAM(0)), altref_count_(0) {} 25 virtual ~AltRefTest() {} 26 27 virtual void SetUp() { 28 InitializeConfig(); 29 SetMode(libvpx_test::kTwoPassGood); 30 } 31 32 virtual void BeginPassHook(unsigned int pass) { 33 altref_count_ = 0; 34 } 35 36 virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video, 37 libvpx_test::Encoder *encoder) { 38 if (video->frame() == 1) { 39 encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1); 40 encoder->Control(VP8E_SET_CPUUSED, 3); 41 } 42 } 43 44 virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) { 45 if (pkt->data.frame.flags & VPX_FRAME_IS_INVISIBLE) ++altref_count_; 46 } 47 48 int altref_count() const { return altref_count_; } 49 50 private: 51 int altref_count_; 52}; 53 54TEST_P(AltRefTest, MonotonicTimestamps) { 55 const vpx_rational timebase = { 33333333, 1000000000 }; 56 cfg_.g_timebase = timebase; 57 cfg_.rc_target_bitrate = 1000; 58 cfg_.g_lag_in_frames = GET_PARAM(1); 59 60 libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288, 61 timebase.den, timebase.num, 0, 30); 62 ASSERT_NO_FATAL_FAILURE(RunLoop(&video)); 63 EXPECT_GE(altref_count(), 1); 64} 65 66 67VP8_INSTANTIATE_TEST_CASE(AltRefTest, 68 ::testing::Range(kLookAheadMin, kLookAheadMax)); 69} // namespace 70