Implement audio sync foundations

2026-07-13 10:19:29 +08:00
parent 4d52267c4a
commit 08b1c6d562
21 changed files with 1094 additions and 18 deletions
@@ -0,0 +1,86 @@
+#include <gtest/gtest.h>
+
+#include <QDir>
+#include <QTemporaryDir>
+
+#include "codec/timecodemetadata.h"
+#include "node/project/footage/footagedescription.h"
+
+TEST(TimecodeMetadata, ParsesNonDropFrameTimecode)
+{
+	const olive::TimecodeMetadata::SourceTime parsed =
+		olive::TimecodeMetadata::FromTimecodeString(
+			QStringLiteral("01:02:03:12"), olive::core::rational(1, 24));
+
+	ASSERT_TRUE(parsed.valid);
+	EXPECT_EQ(parsed.source, QStringLiteral("timecode"));
+	EXPECT_EQ(parsed.time, olive::core::rational(1 * 3600 + 2 * 60 + 3, 1) +
+							   olive::core::rational(12, 24));
+}
+
+TEST(TimecodeMetadata, ParsesDropFrameTimecode)
+{
+	const olive::TimecodeMetadata::SourceTime parsed =
+		olive::TimecodeMetadata::FromTimecodeString(
+			QStringLiteral("00:01:00;02"), olive::core::rational(1001, 30000));
+
+	ASSERT_TRUE(parsed.valid);
+	EXPECT_EQ(parsed.source, QStringLiteral("timecode"));
+	EXPECT_GT(parsed.time, olive::core::rational(59));
+	EXPECT_LT(parsed.time, olive::core::rational(61));
+}
+
+TEST(TimecodeMetadata, ParsesBwfTimeReference)
+{
+	const olive::TimecodeMetadata::SourceTime parsed =
+		olive::TimecodeMetadata::FromBwfTimeReference(
+			QStringLiteral("96000"), 48000);
+
+	ASSERT_TRUE(parsed.valid);
+	EXPECT_EQ(parsed.source, QStringLiteral("bwf_time_reference"));
+	EXPECT_EQ(parsed.time, olive::core::rational(2));
+}
+
+TEST(TimecodeMetadata, ParsesLargeBwfTimeReferenceWithoutTruncation)
+{
+	const olive::TimecodeMetadata::SourceTime parsed =
+		olive::TimecodeMetadata::FromBwfTimeReference(
+			QStringLiteral("4294967296"), 48000);
+
+	ASSERT_TRUE(parsed.valid);
+	EXPECT_GT(parsed.time, olive::core::rational(89478));
+	EXPECT_LT(parsed.time, olive::core::rational(89479));
+}
+
+TEST(TimecodeMetadata, RejectsInvalidMetadata)
+{
+	EXPECT_FALSE(olive::TimecodeMetadata::FromTimecodeString(
+					 QString(), olive::core::rational(1, 24))
+					 .valid);
+	EXPECT_FALSE(olive::TimecodeMetadata::FromBwfTimeReference(
+					 QStringLiteral("not-a-number"), 48000)
+					 .valid);
+	EXPECT_FALSE(olive::TimecodeMetadata::FromBwfTimeReference(
+					 QStringLiteral("123"), 0)
+					 .valid);
+}
+
+TEST(TimecodeMetadata, FootageDescriptionCachesSourceStartTime)
+{
+	QTemporaryDir dir;
+	ASSERT_TRUE(dir.isValid());
+	const QString path =
+		QDir(dir.path()).filePath(QStringLiteral("footage-cache.xml"));
+
+	olive::FootageDescription desc(QStringLiteral("ffmpeg"));
+	desc.SetSourceStartTime(olive::core::rational(96000, 48000),
+							QStringLiteral("bwf_time_reference"));
+	ASSERT_TRUE(desc.Save(path));
+
+	olive::FootageDescription loaded;
+	ASSERT_TRUE(loaded.Load(path));
+	ASSERT_TRUE(loaded.HasSourceStartTime());
+	EXPECT_EQ(loaded.source_start_time(), olive::core::rational(2));
+	EXPECT_EQ(loaded.source_start_time_source(),
+			  QStringLiteral("bwf_time_reference"));
+}