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/*
* Copyright (c) 2019, Alliance for Open Media. All rights reserved.
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
// Test AOM timestamp handling
#include "gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/util.h"
#include "test/video_source.h"
namespace {
const int kVideoSourceWidth = 320;
const int kVideoSourceHeight = 240;
const int kFramesToEncode = 3;
// A video source that exposes functions to set the timebase, framerate and
// starting pts.
class DummyTimebaseVideoSource : public ::libaom_test::DummyVideoSource {
public:
// Parameters num and den set the timebase for the video source.
DummyTimebaseVideoSource(int num, int den)
: framerate_numerator_(30), framerate_denominator_(1), starting_pts_(0) {
SetSize(kVideoSourceWidth, kVideoSourceHeight);
set_limit(kFramesToEncode);
timebase_.num = num;
timebase_.den = den;
}
void SetFramerate(int numerator, int denominator) {
framerate_numerator_ = numerator;
framerate_denominator_ = denominator;
}
// Returns one frames duration in timebase units as a double.
double FrameDuration() const {
return (static_cast<double>(timebase_.den) / timebase_.num) /
(static_cast<double>(framerate_numerator_) / framerate_denominator_);
}
aom_codec_pts_t pts() const override {
return static_cast<aom_codec_pts_t>(frame_ * FrameDuration() +
starting_pts_ + 0.5);
}
unsigned long duration() const override {
return static_cast<unsigned long>(FrameDuration() + 0.5);
}
aom_rational_t timebase() const override { return timebase_; }
void set_starting_pts(int64_t starting_pts) { starting_pts_ = starting_pts; }
private:
aom_rational_t timebase_;
int framerate_numerator_;
int framerate_denominator_;
int64_t starting_pts_;
};
class TimestampTest
: public ::libaom_test::EncoderTest,
public ::libaom_test::CodecTestWithParam<libaom_test::TestMode> {
protected:
TimestampTest() : EncoderTest(GET_PARAM(0)) {}
~TimestampTest() override = default;
void SetUp() override { InitializeConfig(GET_PARAM(1)); }
};
// Tests encoding in millisecond timebase.
TEST_P(TimestampTest, EncodeFrames) {
DummyTimebaseVideoSource video(1, 1000);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
TEST_P(TimestampTest, TestMicrosecondTimebase) {
// Set the timebase to microseconds.
DummyTimebaseVideoSource video(1, 1000000);
video.set_limit(1);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
TEST_P(TimestampTest, TestAv1Rollover) {
DummyTimebaseVideoSource video(1, 1000);
video.set_starting_pts(922337170351ll);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
#if CONFIG_REALTIME_ONLY
AV1_INSTANTIATE_TEST_SUITE(TimestampTest,
::testing::Values(::libaom_test::kRealTime));
#else
AV1_INSTANTIATE_TEST_SUITE(TimestampTest,
::testing::Values(::libaom_test::kRealTime,
::libaom_test::kTwoPassGood));
#endif
} // namespace