vpx/test/altref_test.cc

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/*
* Copyright (c) 2012 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 "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"
namespace {
#if CONFIG_VP8_ENCODER
// lookahead range: [kLookAheadMin, kLookAheadMax).
const int kLookAheadMin = 5;
const int kLookAheadMax = 26;
class AltRefTest : public ::libvpx_test::EncoderTest,
public ::libvpx_test::CodecTestWithParam<int> {
protected:
AltRefTest() : EncoderTest(GET_PARAM(0)), altref_count_(0) {}
virtual ~AltRefTest() {}
virtual void SetUp() {
InitializeConfig();
SetMode(libvpx_test::kTwoPassGood);
}
virtual void BeginPassHook(unsigned int pass) {
altref_count_ = 0;
}
virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
libvpx_test::Encoder *encoder) {
if (video->frame() == 1) {
encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1);
encoder->Control(VP8E_SET_CPUUSED, 3);
}
}
virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
if (pkt->data.frame.flags & VPX_FRAME_IS_INVISIBLE) ++altref_count_;
}
int altref_count() const { return altref_count_; }
private:
int altref_count_;
};
TEST_P(AltRefTest, MonotonicTimestamps) {
const vpx_rational timebase = { 33333333, 1000000000 };
cfg_.g_timebase = timebase;
cfg_.rc_target_bitrate = 1000;
cfg_.g_lag_in_frames = GET_PARAM(1);
libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
timebase.den, timebase.num, 0, 30);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
EXPECT_GE(altref_count(), 1);
}
#endif // CONFIG_VP8_ENCODER
class AltRefForcedKeyTest
: public ::libvpx_test::EncoderTest,
public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {
protected:
AltRefForcedKeyTest()
: EncoderTest(GET_PARAM(0)),
encoding_mode_(GET_PARAM(1)),
cpu_used_(GET_PARAM(2)),
forced_kf_frame_num_(1),
frame_num_(0) {}
virtual ~AltRefForcedKeyTest() {}
virtual void SetUp() {
InitializeConfig();
SetMode(encoding_mode_);
cfg_.rc_end_usage = VPX_VBR;
cfg_.g_threads = 0;
}
virtual void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
::libvpx_test::Encoder *encoder) {
if (video->frame() == 0) {
encoder->Control(VP8E_SET_CPUUSED, cpu_used_);
encoder->Control(VP8E_SET_ENABLEAUTOALTREF, 1);
// override test default for tile columns if necessary.
#if CONFIG_VP9_ENCODER
if (GET_PARAM(0) == &libvpx_test::kVP9) {
encoder->Control(VP9E_SET_TILE_COLUMNS, 6);
}
#endif
#if CONFIG_VP10_ENCODER
if (GET_PARAM(0) == &libvpx_test::kVP10) {
encoder->Control(VP9E_SET_TILE_COLUMNS, 6);
}
#endif
}
frame_flags_ =
(video->frame() == forced_kf_frame_num_) ? VPX_EFLAG_FORCE_KF : 0;
}
virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
if (frame_num_ == forced_kf_frame_num_) {
ASSERT_TRUE(!!(pkt->data.frame.flags & VPX_FRAME_IS_KEY))
<< "Frame #" << frame_num_ << " isn't a keyframe!";
}
++frame_num_;
}
::libvpx_test::TestMode encoding_mode_;
int cpu_used_;
unsigned int forced_kf_frame_num_;
unsigned int frame_num_;
};
TEST_P(AltRefForcedKeyTest, Frame1IsKey) {
const vpx_rational timebase = { 1, 30 };
const int lag_values[] = { 3, 15, 25, -1 };
forced_kf_frame_num_ = 1;
for (int i = 0; lag_values[i] != -1; ++i) {
frame_num_ = 0;
cfg_.g_lag_in_frames = lag_values[i];
libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
timebase.den, timebase.num, 0, 30);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
}
TEST_P(AltRefForcedKeyTest, ForcedFrameIsKey) {
const vpx_rational timebase = { 1, 30 };
const int lag_values[] = { 3, 15, 25, -1 };
for (int i = 0; lag_values[i] != -1; ++i) {
frame_num_ = 0;
forced_kf_frame_num_ = lag_values[i] - 1;
cfg_.g_lag_in_frames = lag_values[i];
libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
timebase.den, timebase.num, 0, 30);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
}
VP8_INSTANTIATE_TEST_CASE(AltRefTest,
::testing::Range(kLookAheadMin, kLookAheadMax));
VP8_INSTANTIATE_TEST_CASE(
AltRefForcedKeyTest,
::testing::Values(::libvpx_test::kOnePassGood),
::testing::Range(0, 9));
VP9_INSTANTIATE_TEST_CASE(
AltRefForcedKeyTest,
::testing::Values(::libvpx_test::kOnePassGood),
::testing::Range(0, 9));
VP10_INSTANTIATE_TEST_CASE(
AltRefForcedKeyTest,
::testing::Values(::libvpx_test::kOnePassGood),
::testing::Range(0, 9));
} // namespace