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Aegisub/tests/tests/vfr.cpp

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// Copyright (c) 2010, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// Aegisub Project http://www.aegisub.org/
#include <libaegisub/fs.h>
#include <libaegisub/vfr.h>
#include <climits>
#include <fstream>
#include <iterator>
#include "main.h"
#include "util.h"
using namespace agi::vfr;
using namespace util;
#define EXPECT_RANGE(low, high, test) \
EXPECT_LE(low, test); \
EXPECT_GE(high, test)
TEST(lagi_vfr, constructors_good) {
EXPECT_NO_THROW(Framerate(1.));
EXPECT_NO_THROW(Framerate(Framerate(1.)));
EXPECT_NO_THROW(Framerate({ 0, 10 }));
EXPECT_NO_THROW(Framerate("data/vfr/in/v1_start_equals_end.txt"));
EXPECT_NO_THROW(Framerate("data/vfr/in/v1_whitespace.txt"));
EXPECT_NO_THROW(Framerate("data/vfr/in/v1_assume_int.txt"));
EXPECT_NO_THROW(Framerate("data/vfr/in/v1_out_of_order.txt"));
}
TEST(lagi_vfr, constructors_bad_cfr) {
EXPECT_THROW(Framerate(-1.), BadFPS);
EXPECT_THROW(Framerate(1000.1), BadFPS);
}
TEST(lagi_vfr, constructors_bad_timecodes) {
EXPECT_THROW(Framerate(std::initializer_list<int>{}), TooFewTimecodes);
EXPECT_THROW(Framerate({ 0 }), TooFewTimecodes);
EXPECT_THROW(Framerate({ 10, 0 }), UnorderedTimecodes);
}
TEST(lagi_vfr, constructors_bad_v1) {
EXPECT_THROW(Framerate("data/vfr/in/v1_bad_seperators.txt"), MalformedLine);
EXPECT_THROW(Framerate("data/vfr/in/v1_too_few_parts.txt"), MalformedLine);
EXPECT_THROW(Framerate("data/vfr/in/v1_too_many_parts.txt"), MalformedLine);
EXPECT_THROW(Framerate("data/vfr/in/v1_float_frame_number.txt"), MalformedLine);
EXPECT_THROW(Framerate("data/vfr/in/v1_start_end_overlap.txt"), UnorderedTimecodes);
EXPECT_THROW(Framerate("data/vfr/in/v1_fully_contained.txt"), UnorderedTimecodes);
EXPECT_THROW(Framerate("data/vfr/in/v1_assume_over_1000.txt"), BadFPS);
EXPECT_THROW(Framerate("data/vfr/in/v1_override_over_1000.txt"), BadFPS);
EXPECT_THROW(Framerate("data/vfr/in/v1_override_zero.txt"), BadFPS);
EXPECT_THROW(Framerate("data/vfr/in/v1_negative_start_of_range.txt"), UnorderedTimecodes);
EXPECT_THROW(Framerate("data/vfr/in/v1_end_less_than_start.txt"), UnorderedTimecodes);
}
TEST(lagi_vfr, constructors_bad_v2) {
EXPECT_THROW(Framerate("data/vfr/in/v2_empty.txt"), TooFewTimecodes);
EXPECT_THROW(Framerate("data/vfr/in/v2_out_of_order.txt"), UnorderedTimecodes);
EXPECT_THROW(Framerate("data/vfr/in/empty.txt"), UnknownFormat);
}
TEST(lagi_vfr, cfr_frame_at_time_exact) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(1.));
EXPECT_EQ(0, fps.FrameAtTime(0));
EXPECT_EQ(0, fps.FrameAtTime(999));
EXPECT_EQ(1, fps.FrameAtTime(1000));
EXPECT_EQ(1, fps.FrameAtTime(1999));
EXPECT_EQ(100, fps.FrameAtTime(100000));
EXPECT_EQ(-1, fps.FrameAtTime(-1));
EXPECT_EQ(-1, fps.FrameAtTime(-1000));
EXPECT_EQ(-2, fps.FrameAtTime(-1001));
}
TEST(lagi_vfr, cfr_frame_at_time_start) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(1.));
EXPECT_EQ(0, fps.FrameAtTime(0, START));
EXPECT_EQ(1, fps.FrameAtTime(1, START));
EXPECT_EQ(1, fps.FrameAtTime(1000, START));
EXPECT_EQ(2, fps.FrameAtTime(1001, START));
EXPECT_EQ(100, fps.FrameAtTime(100000, START));
EXPECT_EQ(0, fps.FrameAtTime(-1, START));
EXPECT_EQ(0, fps.FrameAtTime(-999, START));
EXPECT_EQ(-1, fps.FrameAtTime(-1000, START));
EXPECT_EQ(-1, fps.FrameAtTime(-1999, START));
}
TEST(lagi_vfr, cfr_frame_at_time_end) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(1.));
EXPECT_EQ(-1, fps.FrameAtTime(0, END));
EXPECT_EQ(0, fps.FrameAtTime(1, END));
EXPECT_EQ(0, fps.FrameAtTime(1000, END));
EXPECT_EQ(1, fps.FrameAtTime(1001, END));
EXPECT_EQ(99, fps.FrameAtTime(100000, END));
EXPECT_EQ(-1, fps.FrameAtTime(-1, END));
EXPECT_EQ(-1, fps.FrameAtTime(-999, END));
EXPECT_EQ(-2, fps.FrameAtTime(-1000, END));
EXPECT_EQ(-2, fps.FrameAtTime(-1999, END));
}
TEST(lagi_vfr, cfr_time_at_frame_exact) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(1.));
EXPECT_EQ( 0, fps.TimeAtFrame(0));
EXPECT_EQ( 1000, fps.TimeAtFrame(1));
EXPECT_EQ( 2000, fps.TimeAtFrame(2));
EXPECT_EQ(-1000, fps.TimeAtFrame(-1));
}
TEST(lagi_vfr, cfr_time_at_frame_start) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(1.));
EXPECT_RANGE( -999, 0, fps.TimeAtFrame( 0, START));
EXPECT_RANGE( 1, 1000, fps.TimeAtFrame( 1, START));
EXPECT_RANGE( 1001, 2000, fps.TimeAtFrame( 2, START));
EXPECT_RANGE(-1999, -1000, fps.TimeAtFrame(-1, START));
}
TEST(lagi_vfr, cfr_time_at_frame_end) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(1.));
EXPECT_RANGE( 1, 1000, fps.TimeAtFrame( 0, END));
EXPECT_RANGE(1001, 2000, fps.TimeAtFrame( 1, END));
EXPECT_RANGE(2001, 3000, fps.TimeAtFrame( 2, END));
EXPECT_RANGE(-999, 0, fps.TimeAtFrame(-1, END));
}
TEST(lagi_vfr, cfr_round_trip_exact) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(1.));
for (int i = -10; i < 11; i++) {
EXPECT_EQ(i, fps.FrameAtTime(fps.TimeAtFrame(i)));
}
}
TEST(lagi_vfr, cfr_round_trip_start) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(1.));
for (int i = -10; i < 11; i++) {
EXPECT_EQ(i, fps.FrameAtTime(fps.TimeAtFrame(i, START), START));
}
}
TEST(lagi_vfr, cfr_round_trip_end) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(1.));
for (int i = -10; i < 11; i++) {
EXPECT_EQ(i, fps.FrameAtTime(fps.TimeAtFrame(i, END), END));
}
}
TEST(lagi_vfr, vfr_round_trip_exact) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 0, 1000, 1500, 2000, 2001, 2002, 2003 }));
for (int i = -10; i < 11; i++) {
EXPECT_EQ(i, fps.FrameAtTime(fps.TimeAtFrame(i)));
}
}
TEST(lagi_vfr, vfr_round_trip_start) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 0, 1000, 1500, 2000, 2001, 2002, 2003 }));
for (int i = -10; i < 11; i++) {
EXPECT_EQ(i, fps.FrameAtTime(fps.TimeAtFrame(i, START), START));
}
}
TEST(lagi_vfr, vfr_round_trip_end) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 0, 1000, 1500, 2000, 2001, 2002, 2003 }));
for (int i = -10; i < 11; i++) {
EXPECT_EQ(i, fps.FrameAtTime(fps.TimeAtFrame(i, END), END));
}
}
TEST(lagi_vfr, vfr_time_at_frame_exact) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 0, 1000, 1500, 2000, 2001 }));
EXPECT_EQ(0, fps.TimeAtFrame(0));
EXPECT_EQ(1000, fps.TimeAtFrame(1));
EXPECT_EQ(1500, fps.TimeAtFrame(2));
EXPECT_EQ(2000, fps.TimeAtFrame(3));
EXPECT_EQ(2001, fps.TimeAtFrame(4));
}
TEST(lagi_vfr, vfr_time_at_frame_start) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 0, 1000, 1500, 2000, 2001, 2002, 2003 }));
EXPECT_GE(0, fps.TimeAtFrame(0, START));
EXPECT_RANGE(1, 1000, fps.TimeAtFrame(1, START));
EXPECT_RANGE(1001, 1500, fps.TimeAtFrame(2, START));
EXPECT_RANGE(1501, 2000, fps.TimeAtFrame(3, START));
EXPECT_EQ(2001, fps.TimeAtFrame(4, START));
EXPECT_EQ(2002, fps.TimeAtFrame(5, START));
EXPECT_LE(2003, fps.TimeAtFrame(6, START));
}
TEST(lagi_vfr, vfr_time_at_frame_end) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 0, 1000, 1500, 2000, 2001, 2002, 2003 }));
EXPECT_RANGE(1, 1000, fps.TimeAtFrame(0, END));
EXPECT_RANGE(1001, 1500, fps.TimeAtFrame(1, END));
EXPECT_RANGE(1501, 2000, fps.TimeAtFrame(2, END));
EXPECT_EQ(2001, fps.TimeAtFrame(3, END));
EXPECT_EQ(2002, fps.TimeAtFrame(4, END));
EXPECT_EQ(2003, fps.TimeAtFrame(5, END));
EXPECT_LE(2004, fps.TimeAtFrame(6, END));
}
TEST(lagi_vfr, vfr_time_at_frame_outside_range) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 0, 100, 200 }));
EXPECT_GT(0, fps.TimeAtFrame(-1));
EXPECT_EQ(0, fps.TimeAtFrame(0));
EXPECT_EQ(100, fps.TimeAtFrame(1));
EXPECT_EQ(200, fps.TimeAtFrame(2));
EXPECT_LT(200, fps.TimeAtFrame(3));
int prev = fps.TimeAtFrame(3);
for (int i = 4; i < 10; i++) {
EXPECT_LT(prev, fps.TimeAtFrame(i));
prev = fps.TimeAtFrame(i);
}
}
TEST(lagi_vfr, vfr_frame_at_time_exact) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 0, 1000, 1500, 2000, 2001, 2002, 2003 }));
EXPECT_GT(0, fps.FrameAtTime(-1));
EXPECT_EQ(0, fps.FrameAtTime(0));
EXPECT_EQ(0, fps.FrameAtTime(999));
EXPECT_EQ(1, fps.FrameAtTime(1000));
EXPECT_EQ(1, fps.FrameAtTime(1499));
EXPECT_EQ(2, fps.FrameAtTime(1500));
EXPECT_EQ(2, fps.FrameAtTime(1999));
EXPECT_EQ(3, fps.FrameAtTime(2000));
EXPECT_EQ(4, fps.FrameAtTime(2001));
EXPECT_EQ(5, fps.FrameAtTime(2002));
EXPECT_EQ(6, fps.FrameAtTime(2003));
EXPECT_LE(6, fps.FrameAtTime(2004));
}
TEST(lagi_vfr, vfr_frame_at_time_start) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 0, 1000, 1500, 2000, 2001, 2002, 2003 }));
EXPECT_GE(0, fps.FrameAtTime(-1, START));
EXPECT_EQ(0, fps.FrameAtTime(0, START));
EXPECT_EQ(1, fps.FrameAtTime(1, START));
EXPECT_EQ(1, fps.FrameAtTime(1000, START));
EXPECT_EQ(2, fps.FrameAtTime(1001, START));
EXPECT_EQ(2, fps.FrameAtTime(1500, START));
EXPECT_EQ(3, fps.FrameAtTime(1501, START));
EXPECT_EQ(3, fps.FrameAtTime(2000, START));
EXPECT_EQ(4, fps.FrameAtTime(2001, START));
EXPECT_EQ(5, fps.FrameAtTime(2002, START));
EXPECT_EQ(6, fps.FrameAtTime(2003, START));
EXPECT_LE(6, fps.FrameAtTime(2004, START));
}
bool validate_save(std::string const& goodFilename, std::string const& checkFilename, int v2Lines = -1, bool allowLonger = false) {
std::ifstream good(goodFilename.c_str());
std::ifstream check(checkFilename.c_str());
EXPECT_TRUE(good.good());
EXPECT_TRUE(check.good());
std::string good_header;
std::string check_header;
std::getline(good, good_header);
std::getline(check, check_header);
// istream_iterator rather than line_reader because we never write comments
// or empty lines in timecode files
std::istream_iterator<double> good_iter(good);
std::istream_iterator<double> check_iter(check);
std::istream_iterator<double> end;
int line = 0;
for (; good_iter != end; ++good_iter, ++check_iter, ++line) {
if (check_iter == end) return false;
if (v2Lines < 0 || line < v2Lines) {
if (*good_iter != *check_iter) return false;
}
}
// v1 timecodes with the end of a range past the end of the video are valid,
// and when saving those there will be too many timecodes in the v2 file
if (!allowLonger && check_iter != end) return false;
return true;
}
TEST(lagi_vfr, validate_save) {
EXPECT_TRUE(validate_save("data/vfr/in/validate_base.txt", "data/vfr/in/validate_base.txt"));
EXPECT_FALSE(validate_save("data/vfr/in/validate_base.txt", "data/vfr/in/validate_different.txt"));
EXPECT_FALSE(validate_save("data/vfr/in/validate_base.txt", "data/vfr/in/validate_shorter.txt"));
EXPECT_FALSE(validate_save("data/vfr/in/validate_base.txt", "data/vfr/in/validate_longer.txt"));
EXPECT_TRUE(validate_save("data/vfr/in/validate_base.txt", "data/vfr/in/validate_longer.txt", -1, true));
}
TEST(lagi_vfr, save_vfr_nolen) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 0, 100, 200 }));
ASSERT_NO_THROW(fps.Save("data/vfr/out/v2_nolen.txt"));
EXPECT_TRUE(validate_save("data/vfr/in/v2_nolen.txt", "data/vfr/out/v2_nolen.txt"));
}
TEST(lagi_vfr, save_vfr_len) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 0, 100, 200 }));
ASSERT_NO_THROW(fps.Save("data/vfr/out/v2_len_3_10.txt", 10));
EXPECT_TRUE(validate_save("data/vfr/in/v2_len_3_10.txt", "data/vfr/out/v2_len_3_10.txt", 3));
}
TEST(lagi_vfr, load_v2) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate("data/vfr/in/v2_1fps.txt"));
for (int i = 0; i < 30; i++) {
EXPECT_EQ(i * 1000, fps.TimeAtFrame(i));
}
}
TEST(lagi_vfr, load_v2_comments) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate("data/vfr/in/v2_comments.txt"));
for (int i = 0; i < 30; i++) {
EXPECT_EQ(i * 1000, fps.TimeAtFrame(i));
}
}
TEST(lagi_vfr, load_v2_number_in_comment) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate("data/vfr/in/v2_number_in_comment.txt"));
for (int i = 0; i < 30; i++) {
EXPECT_EQ(i * 1000, fps.TimeAtFrame(i));
}
}
TEST(lagi_vfr, load_v1_save_v2) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate("data/vfr/in/v1_mode5.txt"));
EXPECT_NO_THROW(fps.Save("data/vfr/out/v2_mode5.txt"));
EXPECT_TRUE(validate_save("data/vfr/in/v2_mode5.txt", "data/vfr/out/v2_mode5.txt", -1, true));
}
TEST(lagi_vfr, load_v1_save_v2_len) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate("data/vfr/in/v1_assume_30.txt"));
ASSERT_NO_THROW(fps.Save("data/vfr/out/v2_100_frames_30_fps.txt", 100));
EXPECT_TRUE(validate_save("data/vfr/in/v2_100_frames_30_fps.txt", "data/vfr/out/v2_100_frames_30_fps.txt"));
}
TEST(lagi_vfr, load_v1_save_v2_ovr) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate("data/vfr/in/v1_assume_30_with_override.txt"));
ASSERT_NO_THROW(fps.Save("data/vfr/out/v2_100_frames_30_with_override.txt", 100));
EXPECT_TRUE(validate_save("data/vfr/in/v2_100_frames_30_with_override.txt", "data/vfr/out/v2_100_frames_30_with_override.txt"));
}
TEST(lagi_vfr, nonzero_start_time) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 10, 20, 30, 40, 50 }));
EXPECT_EQ(0, fps.TimeAtFrame(0, EXACT));
EXPECT_EQ(10, fps.TimeAtFrame(1, EXACT));
EXPECT_EQ(20, fps.TimeAtFrame(2, EXACT));
EXPECT_EQ(30, fps.TimeAtFrame(3, EXACT));
EXPECT_EQ(40, fps.TimeAtFrame(4, EXACT));
ASSERT_NO_THROW(fps = Framerate({ -10, 20, 30, 40, 50 }));
EXPECT_EQ(0, fps.TimeAtFrame(0, EXACT));
EXPECT_EQ(30, fps.TimeAtFrame(1, EXACT));
EXPECT_EQ(40, fps.TimeAtFrame(2, EXACT));
EXPECT_EQ(50, fps.TimeAtFrame(3, EXACT));
EXPECT_EQ(60, fps.TimeAtFrame(4, EXACT));
}
TEST(lagi_vfr, rational_timebase) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(30000, 1001));
for (int i = 0; i < 100000; ++i) {
EXPECT_EQ(i * 1001, fps.TimeAtFrame(i * 30, EXACT));
EXPECT_EQ(i * 30, fps.FrameAtTime(i * 1001, EXACT));
}
ASSERT_NO_THROW(fps = Framerate(24000, 1001));
for (int i = 0; i < 100000; ++i) {
EXPECT_EQ(i * 1001, fps.TimeAtFrame(i * 24, EXACT));
EXPECT_EQ(i * 24, fps.FrameAtTime(i * 1001, EXACT));
}
}
TEST(lagi_vfr, no_intermediate_overflow) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(1.0));
int last_frame = INT_MAX / 1000;
EXPECT_EQ(last_frame * 1000, fps.TimeAtFrame(last_frame, EXACT));
EXPECT_EQ(last_frame, fps.FrameAtTime(last_frame * 1000, EXACT));
}
TEST(lagi_vfr, duplicate_timestamps) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate({ 0, 0, 1, 2, 2, 3 }));
EXPECT_EQ(1, fps.FrameAtTime(0, EXACT));
EXPECT_EQ(2, fps.FrameAtTime(1, EXACT));
EXPECT_EQ(4, fps.FrameAtTime(2, EXACT));
EXPECT_EQ(5, fps.FrameAtTime(3, EXACT));
EXPECT_EQ(0, fps.TimeAtFrame(0, EXACT));
EXPECT_EQ(0, fps.TimeAtFrame(1, EXACT));
EXPECT_EQ(1, fps.TimeAtFrame(2, EXACT));
EXPECT_EQ(2, fps.TimeAtFrame(3, EXACT));
EXPECT_EQ(2, fps.TimeAtFrame(4, EXACT));
EXPECT_EQ(3, fps.TimeAtFrame(5, EXACT));
ASSERT_NO_THROW(fps = Framerate({ 0, 100, 100, 200, 300 }));
EXPECT_EQ(0, fps.FrameAtTime(0, EXACT));
EXPECT_EQ(0, fps.FrameAtTime(99, EXACT));
EXPECT_EQ(2, fps.FrameAtTime(100, EXACT));
EXPECT_EQ(2, fps.FrameAtTime(199, EXACT));
EXPECT_EQ(3, fps.FrameAtTime(200, EXACT));
}
#define EXPECT_SMPTE(eh, em, es, ef) \
EXPECT_EQ(eh, h); \
EXPECT_EQ(em, m); \
EXPECT_EQ(es, s); \
EXPECT_EQ(ef, f)
TEST(lagi_vfr, to_smpte_ntsc) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(30000, 1001));
EXPECT_TRUE(fps.NeedsDropFrames());
int h = -1, m = -1, s = -1, f = -1;
ASSERT_NO_THROW(fps.SmpteAtFrame(0, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 0);
ASSERT_NO_THROW(fps.SmpteAtFrame(1, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 1);
ASSERT_NO_THROW(fps.SmpteAtFrame(29, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 29);
ASSERT_NO_THROW(fps.SmpteAtFrame(30, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 1, 0);
ASSERT_NO_THROW(fps.SmpteAtFrame(1799, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 59, 29);
ASSERT_NO_THROW(fps.SmpteAtFrame(1800, &h, &m, &s, &f));
EXPECT_SMPTE(0, 1, 0, 2);
ASSERT_NO_THROW(fps.SmpteAtFrame(3597, &h, &m, &s, &f));
EXPECT_SMPTE(0, 1, 59, 29);
ASSERT_NO_THROW(fps.SmpteAtFrame(3598, &h, &m, &s, &f));
EXPECT_SMPTE(0, 2, 0, 2);
ASSERT_NO_THROW(fps.SmpteAtFrame(5396, &h, &m, &s, &f));
EXPECT_SMPTE(0, 3, 0, 2);
ASSERT_NO_THROW(fps.SmpteAtFrame(7194, &h, &m, &s, &f));
EXPECT_SMPTE(0, 4, 0, 2);
ASSERT_NO_THROW(fps.SmpteAtFrame(107892, &h, &m, &s, &f));
EXPECT_SMPTE(1, 0, 0, 0);
for (int i = 0; i < 60 * 60 * 10; ++i) {
ASSERT_NO_THROW(fps.SmpteAtTime(i * 1000, &h, &m, &s, &f));
ASSERT_NEAR(i, h * 3600 + m * 60 + s, 1);
}
}
TEST(lagi_vfr, to_smpte_double_ntsc) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(60000, 1001));
EXPECT_TRUE(fps.NeedsDropFrames());
int h = -1, m = -1, s = -1, f = -1;
ASSERT_NO_THROW(fps.SmpteAtFrame(0, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 0);
ASSERT_NO_THROW(fps.SmpteAtFrame(1, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 1);
ASSERT_NO_THROW(fps.SmpteAtFrame(59, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 59);
ASSERT_NO_THROW(fps.SmpteAtFrame(60, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 1, 0);
ASSERT_NO_THROW(fps.SmpteAtFrame(3599, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 59, 59);
ASSERT_NO_THROW(fps.SmpteAtFrame(3600, &h, &m, &s, &f));
EXPECT_SMPTE(0, 1, 0, 4);
ASSERT_NO_THROW(fps.SmpteAtFrame(7195, &h, &m, &s, &f));
EXPECT_SMPTE(0, 1, 59, 59);
ASSERT_NO_THROW(fps.SmpteAtFrame(7196, &h, &m, &s, &f));
EXPECT_SMPTE(0, 2, 0, 4);
ASSERT_NO_THROW(fps.SmpteAtFrame(215784, &h, &m, &s, &f));
EXPECT_SMPTE(1, 0, 0, 0);
for (int i = 0; i < 60 * 60 * 10; ++i) {
ASSERT_NO_THROW(fps.SmpteAtTime(i * 1000, &h, &m, &s, &f));
ASSERT_NEAR(i, h * 3600 + m * 60 + s, 1);
}
}
TEST(lagi_vfr, to_smpte_pal) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(25, 1));
EXPECT_FALSE(fps.NeedsDropFrames());
int h = -1, m = -1, s = -1, f = -1;
ASSERT_NO_THROW(fps.SmpteAtFrame(0, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 0);
ASSERT_NO_THROW(fps.SmpteAtFrame(1, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 1);
ASSERT_NO_THROW(fps.SmpteAtFrame(24, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 24);
ASSERT_NO_THROW(fps.SmpteAtFrame(25, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 1, 0);
ASSERT_NO_THROW(fps.SmpteAtFrame(1499, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 59, 24);
ASSERT_NO_THROW(fps.SmpteAtFrame(1500, &h, &m, &s, &f));
EXPECT_SMPTE(0, 1, 0, 0);
ASSERT_NO_THROW(fps.SmpteAtFrame(25 * 60 * 60, &h, &m, &s, &f));
EXPECT_SMPTE(1, 0, 0, 0);
for (int i = 0; i < 60 * 60 * 10; ++i) {
ASSERT_NO_THROW(fps.SmpteAtTime(i * 1000, &h, &m, &s, &f));
ASSERT_EQ(i, h * 3600 + m * 60 + s);
}
}
// this test is different from the above due to that the exact frames which are
// skipped are undefined, so instead it tests that the error never exceeds the
// limit
TEST(lagi_vfr, to_smpte_decimated) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(24000, 1001));
EXPECT_TRUE(fps.NeedsDropFrames());
int h = -1, m = -1, s = -1, f = -1;
ASSERT_NO_THROW(fps.SmpteAtFrame(0, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 0);
ASSERT_NO_THROW(fps.SmpteAtFrame(1, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 1);
for (int frame = 0; frame < 100000; ++frame) {
ASSERT_NO_THROW(fps.SmpteAtFrame(frame, &h, &m, &s, &f));
int expected_time = fps.TimeAtFrame(frame);
int real_time = int((h * 3600 + m * 60 + s + f / 24.0) * 1000.0);
ASSERT_NEAR(expected_time, real_time, 600.0 / fps.FPS());
}
}
TEST(lagi_vfr, to_smpte_manydrop) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(24, 11));
EXPECT_TRUE(fps.NeedsDropFrames());
int h = -1, m = -1, s = -1, f = -1;
ASSERT_NO_THROW(fps.SmpteAtFrame(0, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 0);
ASSERT_NO_THROW(fps.SmpteAtFrame(1, &h, &m, &s, &f));
EXPECT_SMPTE(0, 0, 0, 1);
for (int frame = 0; frame < 1000; ++frame) {
ASSERT_NO_THROW(fps.SmpteAtFrame(frame, &h, &m, &s, &f));
int expected_time = fps.TimeAtFrame(frame);
int real_time = int((h * 3600 + m * 60 + s + f / 3.0) * 1000.0);
ASSERT_NEAR(expected_time, real_time, 600.0 / fps.FPS());
}
}
TEST(lagi_vfr, from_smpte_ntsc) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(30000, 1001));
EXPECT_EQ(0, fps.FrameAtSmpte(0, 0, 0, 0));
EXPECT_EQ(1, fps.FrameAtSmpte(0, 0, 0, 1));
EXPECT_EQ(29, fps.FrameAtSmpte(0, 0, 0, 29));
EXPECT_EQ(30, fps.FrameAtSmpte(0, 0, 1, 0));
EXPECT_EQ(1799, fps.FrameAtSmpte(0, 0, 59, 29));
EXPECT_EQ(1800, fps.FrameAtSmpte(0, 1, 0, 0));
EXPECT_EQ(1800, fps.FrameAtSmpte(0, 1, 0, 1));
EXPECT_EQ(1800, fps.FrameAtSmpte(0, 1, 0, 2));
EXPECT_EQ(3597, fps.FrameAtSmpte(0, 1, 59, 29));
EXPECT_EQ(3598, fps.FrameAtSmpte(0, 2, 0, 0));
EXPECT_EQ(3598, fps.FrameAtSmpte(0, 2, 0, 1));
EXPECT_EQ(3598, fps.FrameAtSmpte(0, 2, 0, 2));
EXPECT_EQ(5396, fps.FrameAtSmpte(0, 3, 0, 2));
EXPECT_EQ(7194, fps.FrameAtSmpte(0, 4, 0, 2));
EXPECT_EQ(107892, fps.FrameAtSmpte(1, 0, 0, 0));
}
TEST(lagi_vfr, from_smpte_double_ntsc) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(60000, 1001));
EXPECT_TRUE(fps.NeedsDropFrames());
EXPECT_EQ(0, fps.FrameAtSmpte(0, 0, 0, 0));
EXPECT_EQ(1, fps.FrameAtSmpte(0, 0, 0, 1));
EXPECT_EQ(59, fps.FrameAtSmpte(0, 0, 0, 59));
EXPECT_EQ(60, fps.FrameAtSmpte(0, 0, 1, 0));
EXPECT_EQ(3599, fps.FrameAtSmpte(0, 0, 59, 59));
EXPECT_EQ(3600, fps.FrameAtSmpte(0, 1, 0, 4));
EXPECT_EQ(7195, fps.FrameAtSmpte(0, 1, 59, 59));
EXPECT_EQ(7196, fps.FrameAtSmpte(0, 2, 0, 4));
EXPECT_EQ(10792, fps.FrameAtSmpte(0, 3, 0, 0));
EXPECT_EQ(10792, fps.FrameAtSmpte(0, 3, 0, 1));
EXPECT_EQ(10792, fps.FrameAtSmpte(0, 3, 0, 2));
EXPECT_EQ(10792, fps.FrameAtSmpte(0, 3, 0, 3));
EXPECT_EQ(10792, fps.FrameAtSmpte(0, 3, 0, 4));
EXPECT_EQ(10793, fps.FrameAtSmpte(0, 3, 0, 5));
EXPECT_EQ(215784, fps.FrameAtSmpte(1, 0, 0, 0));
}
TEST(lagi_vfr, from_smpte_pal) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(25, 1));
EXPECT_FALSE(fps.NeedsDropFrames());
EXPECT_EQ(0, fps.FrameAtSmpte(0, 0, 0, 0));
EXPECT_EQ(1, fps.FrameAtSmpte(0, 0, 0, 1));
EXPECT_EQ(24, fps.FrameAtSmpte(0, 0, 0, 24));
EXPECT_EQ(25, fps.FrameAtSmpte(0, 0, 1, 0));
EXPECT_EQ(1499, fps.FrameAtSmpte(0, 0, 59, 24));
EXPECT_EQ(1500, fps.FrameAtSmpte(0, 1, 0, 0));
EXPECT_EQ(25 * 60 * 60, fps.FrameAtSmpte(1, 0, 0, 0));
}
TEST(lagi_vfr, roundtrip_smpte_ntsc) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(30000, 1001));
int h = -1, m = -1, s = -1, f = -1;
for (int i = 0; i < 100000; ++i) {
ASSERT_NO_THROW(fps.SmpteAtFrame(i, &h, &m, &s, &f));
ASSERT_EQ(i, fps.FrameAtSmpte(h, m, s, f));
}
}
TEST(lagi_vfr, roundtrip_smpte_pal) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(25, 1));
int h = -1, m = -1, s = -1, f = -1;
for (int i = 0; i < 100000; ++i) {
ASSERT_NO_THROW(fps.SmpteAtFrame(i, &h, &m, &s, &f));
ASSERT_EQ(i, fps.FrameAtSmpte(h, m, s, f));
}
}
TEST(lagi_vfr, roundtrip_smpte_manydrop) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(20, 11));
int h = -1, m = -1, s = -1, f = -1;
for (int i = 0; i < 10000; ++i) {
ASSERT_NO_THROW(fps.SmpteAtFrame(i, &h, &m, &s, &f));
ASSERT_EQ(i, fps.FrameAtSmpte(h, m, s, f));
}
}
TEST(lagi_vfr, roundtrip_smpte_decimated) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(24000, 1001));
int h = -1, m = -1, s = -1, f = -1;
for (int i = 0; i < 100000; ++i) {
ASSERT_NO_THROW(fps.SmpteAtFrame(i, &h, &m, &s, &f));
ASSERT_EQ(i, fps.FrameAtSmpte(h, m, s, f));
}
}
TEST(lagi_vfr, to_smpte_ntsc_nodrop) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(30000, 1001, false));
int h = -1, m = -1, s = -1, f = -1;
for (int i = 0; i < 100000; ++i) {
ASSERT_NO_THROW(fps.SmpteAtFrame(i, &h, &m, &s, &f));
ASSERT_EQ(i, h * 60 * 60 * 30 + m * 60 * 30 + s * 30 + f);
}
}
TEST(lagi_vfr, from_smpte_ntsc_nodrop) {
Framerate fps;
ASSERT_NO_THROW(fps = Framerate(30000, 1001, false));
int h = 0, m = 0, s = 0, f = 0;
int i = 0;
while (h < 10) {
if (f >= 30) {
f = 0;
++s;
}
if (s >= 60) {
s = 0;
++m;
}
if (m >= 60) {
m = 0;
++h;
}
ASSERT_EQ(i, fps.FrameAtSmpte(h, m, s, f));
++i;
++f;
}
}
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