public void Should_Return_Software_Video_Filter(
bool deinterlace,
bool scale,
bool pad,
string expectedVideoFilter,
string expectedVideoLabel)
{
FFmpegComplexFilterBuilder builder = new FFmpegComplexFilterBuilder()
.WithDeinterlace(deinterlace);
if (scale)
{
builder = builder.WithScaling(new Resolution {
Width = 1920, Height = 1000
});
}
if (pad)
{
builder = builder.WithBlackBars(new Resolution {
Width = 1920, Height = 1080
});
}
Option <FFmpegComplexFilter> result = builder.Build(false, 0, 0, 0, 1, false);
result.IsSome.Should().BeTrue();
result.IfSome(
filter =>
{
filter.ComplexFilter.Should().Be(expectedVideoFilter);
filter.AudioLabel.Should().Be("0:1");
filter.VideoLabel.Should().Be(expectedVideoLabel);
});
}
public void Should_Return_Watermark(
bool alignAudio,
bool deinterlace,
bool intermittent,
WatermarkLocation location,
bool scaled,
int opacity,
string expectedVideoFilter,
string expectedAudioLabel,
string expectedVideoLabel)
{
var watermark = new ChannelWatermark
{
Mode = intermittent
? ChannelWatermarkMode.Intermittent
: ChannelWatermarkMode.Permanent,
DurationSeconds = intermittent ? 15 : 0,
FrequencyMinutes = intermittent ? 10 : 0,
Location = location,
Size = scaled ? WatermarkSize.Scaled : WatermarkSize.ActualSize,
WidthPercent = scaled ? 20 : 0,
Opacity = opacity,
HorizontalMarginPercent = 7,
VerticalMarginPercent = 5
};
Option <List <FadePoint> > maybeFadePoints = watermark.Mode == ChannelWatermarkMode.Intermittent
? Some(
WatermarkCalculator.CalculateFadePoints(
new DateTimeOffset(2022, 01, 31, 12, 25, 0, TimeSpan.FromHours(-5)),
TimeSpan.Zero,
TimeSpan.FromMinutes(55),
TimeSpan.Zero,
watermark.FrequencyMinutes,
watermark.DurationSeconds))
: None;
FFmpegComplexFilterBuilder builder = new FFmpegComplexFilterBuilder()
.WithWatermark(
Some(watermark),
maybeFadePoints,
new Resolution {
Width = 1920, Height = 1080
},
None)
.WithDeinterlace(deinterlace)
.WithAlignedAudio(alignAudio ? Some(TimeSpan.FromMinutes(55)) : None);
Option <FFmpegComplexFilter> result = builder.Build(false, 0, 0, 0, 1, false);
result.IsSome.Should().BeTrue();
result.IfSome(
filter =>
{
filter.ComplexFilter.Should().Be(expectedVideoFilter);
filter.AudioLabel.Should().Be(expectedAudioLabel);
filter.VideoLabel.Should().Be(expectedVideoLabel);
});
}
public void Should_Return_None_With_No_Filters()
{
var builder = new FFmpegComplexFilterBuilder();
Option <FFmpegComplexFilter> result = builder.Build(false, 0, 0, 0, 1, false);
result.IsNone.Should().BeTrue();
}
public void Should_Return_Audio_Filter_With_AudioDuration_Decimal()
{
var duration = TimeSpan.FromMilliseconds(1000.1);
FFmpegComplexFilterBuilder builder = new FFmpegComplexFilterBuilder()
.WithAlignedAudio(duration);
Option <FFmpegComplexFilter> result = builder.Build(false, 0, 0, 0, 1, false);
result.IsSome.Should().BeTrue();
result.IfSome(
filter =>
{
filter.ComplexFilter.Should().Be("[0:1]apad=whole_dur=1000.1ms[a]");
filter.AudioLabel.Should().Be("[a]");
filter.VideoLabel.Should().Be("0:0");
});
}
public void Should_Return_Audio_Filter_With_AudioDuration()
{
var duration = TimeSpan.FromMinutes(54);
FFmpegComplexFilterBuilder builder = new FFmpegComplexFilterBuilder()
.WithAlignedAudio(duration);
Option <FFmpegComplexFilter> result = builder.Build();
result.IsSome.Should().BeTrue();
result.IfSome(
filter =>
{
filter.ComplexFilter.Should().Be($"[0:a]apad=whole_dur={duration.TotalMilliseconds}ms[a]");
filter.AudioLabel.Should().Be("[a]");
filter.VideoLabel.Should().Be("0:V");
});
}
public void Should_Return_Audio_And_Video_Filter()
{
var duration = TimeSpan.FromMinutes(54);
FFmpegComplexFilterBuilder builder = new FFmpegComplexFilterBuilder()
.WithAlignedAudio(duration)
.WithDeinterlace(true);
Option <FFmpegComplexFilter> result = builder.Build(false, 0, 0, 0, 1, false);
result.IsSome.Should().BeTrue();
result.IfSome(
filter =>
{
filter.ComplexFilter.Should().Be(
$"[0:1]apad=whole_dur={duration.TotalMilliseconds}ms[a];[0:0]yadif=1[v]");
filter.AudioLabel.Should().Be("[a]");
filter.VideoLabel.Should().Be("[v]");
});
}
public void Should_Return_VAAPI_Video_Filter(
string codec,
bool deinterlace,
bool scale,
bool pad,
string expectedVideoFilter,
string expectedVideoLabel)
{
FFmpegComplexFilterBuilder builder = new FFmpegComplexFilterBuilder()
.WithHardwareAcceleration(HardwareAccelerationKind.Vaapi)
.WithInputCodec(codec)
.WithDeinterlace(deinterlace);
if (scale)
{
builder = builder.WithScaling(new Resolution {
Width = 1920, Height = 1000
});
}
if (pad)
{
builder = builder.WithBlackBars(new Resolution {
Width = 1920, Height = 1080
});
}
Option <FFmpegComplexFilter> result = builder.Build();
result.IsSome.Should().BeTrue();
result.IfSome(
filter =>
{
filter.ComplexFilter.Should().Be(expectedVideoFilter);
filter.AudioLabel.Should().Be("0:a");
filter.VideoLabel.Should().Be(expectedVideoLabel);
});
}
