private static void Render(Settings settings, AudioLoader loader)
{
if (settings.OutputFile != null)
{
// Emit normalized data to a WAV file for later mixing
if (settings.MasterAudioFile == null && !settings.NoMasterMix)
{
settings.MasterAudioFile = settings.OutputFile + ".wav";
loader.MixToFile(settings.MasterAudioFile, !settings.NoMasterMixReplayGain);
}
}
Console.WriteLine("Generating background image...");
var backgroundImage = new BackgroundRenderer(settings.Width, settings.Height, ParseColor(settings.BackgroundColor));
if (settings.BackgroundImageFile != null)
{
using (var bm = Image.FromFile(settings.BackgroundImageFile))
{
backgroundImage.Add(new ImageInfo(bm, ContentAlignment.MiddleCenter, true, DockStyle.None, 0.5f));
}
}
if (settings.LogoImageFile != null)
{
using (var bm = Image.FromFile(settings.LogoImageFile))
{
backgroundImage.Add(new ImageInfo(bm, ContentAlignment.BottomRight, false, DockStyle.None, 1));
}
}
if (settings.VgmFile != null)
{
var gd3 = Gd3Tag.LoadFromVgm(settings.VgmFile);
var gd3Text = gd3.ToString();
if (gd3Text.Length > 0)
{
backgroundImage.Add(new TextInfo(gd3Text, settings.Gd3Font, settings.Gd3FontSize, ContentAlignment.BottomLeft, FontStyle.Regular,
DockStyle.Bottom, ParseColor(settings.Gd3FontColor)));
}
}
var renderer = new WaveformRenderer
{
BackgroundImage = backgroundImage.Image,
Columns = settings.Columns,
FramesPerSecond = settings.FramesPerSecond,
Width = settings.Width,
Height = settings.Height,
SamplingRate = loader.SampleRate,
RenderedLineWidthInSamples = settings.ViewWidthMs * loader.SampleRate / 1000,
RenderingBounds = backgroundImage.WaveArea
};
if (settings.GridLineWidth > 0)
{
renderer.Grid = new WaveformRenderer.GridConfig
{
Color = ParseColor(settings.GridColor),
Width = settings.GridLineWidth,
DrawBorder = settings.GridBorder
};
}
if (settings.ZeroLineWidth > 0)
{
renderer.ZeroLine = new WaveformRenderer.ZeroLineConfig
{
Color = ParseColor(settings.ZeroLineColor),
Width = settings.ZeroLineWidth
};
}
// Add the data to the renderer
foreach (var channel in loader.Data)
{
renderer.AddChannel(new Channel(
channel.Samples,
ParseColor(settings.LineColor),
settings.LineWidth,
GuessChannelName(channel.Filename),
CreateTriggerAlgorithm(settings.TriggerAlgorithm),
settings.TriggerLookahead));
}
if (settings.ChannelLabelsFont != null)
{
renderer.ChannelLabels = new WaveformRenderer.LabelConfig
{
Color = ParseColor(settings.ChannelLabelsColor),
FontName = settings.ChannelLabelsFont,
Size = settings.ChannelLabelsSize
};
}
var outputs = new List <IGraphicsOutput>();
if (settings.FfMpegPath != null)
{
Console.WriteLine("Adding FFMPEG renderer...");
outputs.Add(new FfmpegOutput(settings.FfMpegPath, settings.OutputFile, settings.Width, settings.Height, settings.FramesPerSecond, settings.FfMpegExtraOptions, settings.MasterAudioFile));
}
if (settings.PreviewFrameskip > 0)
{
Console.WriteLine("Adding preview renderer...");
outputs.Add(new PreviewOutput(settings.PreviewFrameskip));
}
try
{
Console.WriteLine("Rendering...");
var sw = Stopwatch.StartNew();
renderer.Render(outputs);
sw.Stop();
int numFrames = (int)(loader.Length.TotalSeconds * settings.FramesPerSecond);
Console.WriteLine($"Rendering complete in {sw.Elapsed:g}, average {numFrames / sw.Elapsed.TotalSeconds:N} fps");
}
catch (Exception ex)
{
// Should mean it was cancelled
Console.WriteLine($"Rendering cancelled: {ex.Message}");
}
finally
{
foreach (var graphicsOutput in outputs)
{
graphicsOutput.Dispose();
}
}
}