private void ExportWavMp3()
{
var props = dialog.GetPropertyPage((int)ExportFormat.WavMp3);
var format = props.GetPropertyValue <string>(1);
var filename = "";
if (format == "MP3")
{
filename = lastExportFilename != null ? lastExportFilename : PlatformUtils.ShowSaveFileDialog("Export MP3 File", "MP3 Audio File (*.mp3)|*.mp3", ref Settings.LastExportFolder);
}
else
{
filename = lastExportFilename != null ? lastExportFilename : PlatformUtils.ShowSaveFileDialog("Export Wave File", "Wave Audio File (*.wav)|*.wav", ref Settings.LastExportFolder);
}
if (filename != null)
{
var songName = props.GetPropertyValue <string>(0);
var sampleRate = Convert.ToInt32(props.GetPropertyValue <string>(2), CultureInfo.InvariantCulture);
var bitRate = Convert.ToInt32(props.GetPropertyValue <string>(3), CultureInfo.InvariantCulture);
var loopCount = props.GetPropertyValue <string>(4) != "Duration" ? props.GetPropertyValue <int>(5) : -1;
var duration = props.GetPropertyValue <string>(4) == "Duration" ? props.GetPropertyValue <int>(6) : -1;
var separateFiles = props.GetPropertyValue <bool>(7);
var separateIntro = props.GetPropertyValue <bool>(8);
var selectedChannels = props.GetPropertyValue <bool[]>(9);
var song = project.GetSong(songName);
var channelMask = 0;
for (int i = 0; i < selectedChannels.Length; i++)
{
if (selectedChannels[i])
{
channelMask |= (1 << i);
}
}
WavMp3ExportUtils.Save(song, filename, sampleRate, loopCount, duration, channelMask, separateFiles, separateIntro,
(samples, fn) =>
{
if (format == "MP3")
{
Mp3File.Save(samples, fn, sampleRate, bitRate);
}
else
{
WaveFile.Save(samples, fn, sampleRate);
}
});
lastExportFilename = filename;
}
}
private void WavMp3Export(string filename, bool mp3)
{
var extension = mp3 ? "mp3" : "wav";
if (!ValidateExtension(filename, "." + extension))
{
return;
}
var songIndex = ParseOption("export-song", 0);
var sampleRate = ParseOption($"{extension}-export-rate", 44100);
var loopCount = ParseOption($"{extension}-export-loop", 1);
var duration = ParseOption($"{extension}-export-duration", 0);
var mask = ParseOption($"{extension}-export-channels", 0xff, true);
var separate = HasOption($"{extension}-export-separate-channels");
var intro = HasOption($"{extension}-export-separate-intro");
var bitrate = ParseOption($"{extension}-export-bitrate", 192);
var song = GetProjectSong(songIndex);
if (duration > 0)
{
loopCount = -1;
}
else
{
loopCount = Math.Max(1, loopCount);
}
if (song != null)
{
WavMp3ExportUtils.Save(song, filename, sampleRate, loopCount, duration, mask, separate, intro,
(samples, fn) =>
{
if (mp3)
{
Mp3File.Save(samples, fn, sampleRate, bitrate);
}
else
{
WaveFile.Save(samples, fn, sampleRate);
}
});
}
}
public unsafe bool Save(Project originalProject, int songId, int loopCount, string ffmpegExecutable, string filename, int resX, int resY, bool halfFrameRate, int channelMask, int audioBitRate, int videoBitRate, int pianoRollZoom)
{
if (channelMask == 0 || loopCount < 1)
{
return(false);
}
Log.LogMessage(LogSeverity.Info, "Detecting FFmpeg...");
if (!DetectFFmpeg(ffmpegExecutable))
{
return(false);
}
videoResX = resX;
videoResY = resY;
var project = originalProject.DeepClone();
var song = project.GetSong(songId);
ExtendSongForLooping(song, loopCount);
Log.LogMessage(LogSeverity.Info, "Initializing channels...");
var frameRateNumerator = song.Project.PalMode ? 5000773 : 6009883;
if (halfFrameRate)
{
frameRateNumerator /= 2;
}
var frameRate = frameRateNumerator.ToString() + "/100000";
var numChannels = Utils.NumberOfSetBits(channelMask);
var channelResXFloat = videoResX / (float)numChannels;
var channelResX = videoResY;
var channelResY = (int)channelResXFloat;
var longestChannelName = 0.0f;
var videoGraphics = RenderGraphics.Create(videoResX, videoResY, true);
if (videoGraphics == null)
{
Log.LogMessage(LogSeverity.Error, "Error initializing off-screen graphics, aborting.");
return(false);
}
var theme = RenderTheme.CreateResourcesForGraphics(videoGraphics);
var bmpWatermark = videoGraphics.CreateBitmapFromResource("VideoWatermark");
// Generate WAV data for each individual channel for the oscilloscope.
var channelStates = new List <VideoChannelState>();
List <short[]> channelsWavData = new List <short[]>();
var maxAbsSample = 0;
for (int i = 0, channelIndex = 0; i < song.Channels.Length; i++)
{
if ((channelMask & (1 << i)) == 0)
{
continue;
}
var pattern = song.Channels[i].PatternInstances[0];
var state = new VideoChannelState();
state.videoChannelIndex = channelIndex;
state.songChannelIndex = i;
state.channel = song.Channels[i];
state.patternIndex = 0;
state.channelText = state.channel.Name + (state.channel.IsExpansionChannel ? $" ({song.Project.ExpansionAudioShortName})" : "");
state.wav = new WavPlayer(SampleRate, 1, 1 << i).GetSongSamples(song, song.Project.PalMode, -1);
state.graphics = RenderGraphics.Create(channelResX, channelResY, false);
state.bitmap = videoGraphics.CreateBitmapFromOffscreenGraphics(state.graphics);
channelStates.Add(state);
channelIndex++;
// Find maximum absolute value to rescale the waveform.
foreach (short s in state.wav)
{
maxAbsSample = Math.Max(maxAbsSample, Math.Abs(s));
}
// Measure the longest text.
longestChannelName = Math.Max(longestChannelName, state.graphics.MeasureString(state.channelText, ThemeBase.FontBigUnscaled));
}
// Tweak some cosmetic stuff that depends on resolution.
var smallChannelText = longestChannelName + 32 + ChannelIconTextSpacing > channelResY * 0.8f;
var bmpSuffix = smallChannelText ? "" : "@2x";
var font = smallChannelText ? ThemeBase.FontMediumUnscaled : ThemeBase.FontBigUnscaled;
var textOffsetY = smallChannelText ? 1 : 4;
var pianoRollScaleX = Utils.Clamp(resY / 1080.0f, 0.6f, 0.9f);
var pianoRollScaleY = channelResY < VeryThinNoteThreshold ? 0.5f : (channelResY < ThinNoteThreshold ? 0.667f : 1.0f);
var channelLineWidth = channelResY < ThinNoteThreshold ? 3 : 5;
var gradientSizeY = 256 * (videoResY / 1080.0f);
var gradientBrush = videoGraphics.CreateVerticalGradientBrush(0, gradientSizeY, Color.Black, Color.FromArgb(0, Color.Black));
foreach (var s in channelStates)
{
s.bmpIcon = videoGraphics.CreateBitmapFromResource(ChannelType.Icons[s.channel.Type] + bmpSuffix);
}
// Generate the metadata for the video so we know what's happening at every frame
var metadata = new VideoMetadataPlayer(SampleRate, 1).GetVideoMetadata(song, song.Project.PalMode, -1);
var oscScale = maxAbsSample != 0 ? short.MaxValue / (float)maxAbsSample : 1.0f;
var oscLookback = (metadata[1].wavOffset - metadata[0].wavOffset) / 2;
#if FAMISTUDIO_LINUX || FAMISTUDIO_MACOS
var dummyControl = new DummyGLControl();
dummyControl.Move(0, 0, videoResX, videoResY);
#endif
// Setup piano roll and images.
var pianoRoll = new PianoRoll();
#if FAMISTUDIO_LINUX || FAMISTUDIO_MACOS
pianoRoll.Move(0, 0, channelResX, channelResY);
#else
pianoRoll.Width = channelResX;
pianoRoll.Height = channelResY;
#endif
pianoRoll.StartVideoRecording(channelStates[0].graphics, song, pianoRollZoom, pianoRollScaleX, pianoRollScaleY, out var noteSizeY);
// Build the scrolling data.
var numVisibleNotes = (int)Math.Floor(channelResY / (float)noteSizeY);
ComputeChannelsScroll(metadata, channelMask, numVisibleNotes);
if (song.UsesFamiTrackerTempo)
{
SmoothFamitrackerScrolling(metadata);
}
else
{
SmoothFamiStudioScrolling(metadata, song);
}
var videoImage = new byte[videoResY * videoResX * 4];
var oscilloscope = new float[channelResY, 2];
// Start ffmpeg with pipe input.
var tempFolder = Utils.GetTemporaryDiretory();
var tempAudioFile = Path.Combine(tempFolder, "temp.wav");
#if !DEBUG
try
#endif
{
Log.LogMessage(LogSeverity.Info, "Exporting audio...");
// Save audio to temporary file.
WavMp3ExportUtils.Save(song, tempAudioFile, SampleRate, 1, -1, channelMask, false, false, (samples, fn) => { WaveFile.Save(samples, fn, SampleRate); });
var process = LaunchFFmpeg(ffmpegExecutable, $"-y -f rawvideo -pix_fmt argb -s {videoResX}x{videoResY} -r {frameRate} -i - -i \"{tempAudioFile}\" -c:v h264 -pix_fmt yuv420p -b:v {videoBitRate}K -c:a aac -b:a {audioBitRate}k \"{filename}\"", true, false);
// Generate each of the video frames.
using (var stream = new BinaryWriter(process.StandardInput.BaseStream))
{
for (int f = 0; f < metadata.Length; f++)
{
if (Log.ShouldAbortOperation)
{
break;
}
if ((f % 100) == 0)
{
Log.LogMessage(LogSeverity.Info, $"Rendering frame {f} / {metadata.Length}");
}
Log.ReportProgress(f / (float)(metadata.Length - 1));
if (halfFrameRate && (f & 1) != 0)
{
continue;
}
var frame = metadata[f];
// Render the piano rolls for each channels.
foreach (var s in channelStates)
{
s.volume = frame.channelVolumes[s.songChannelIndex];
s.note = frame.channelNotes[s.songChannelIndex];
var color = Color.Transparent;
if (s.note.IsMusical)
{
if (s.channel.Type == ChannelType.Dpcm)
{
var mapping = project.GetDPCMMapping(s.note.Value);
if (mapping != null && mapping.Sample != null)
{
color = mapping.Sample.Color;
}
}
else
{
color = Color.FromArgb(128 + s.volume * 127 / 15, s.note.Instrument != null ? s.note.Instrument.Color : ThemeBase.DarkGreyFillColor2);
}
}
#if FAMISTUDIO_LINUX || FAMISTUDIO_MACOS
s.graphics.BeginDraw(pianoRoll, channelResY);
#else
s.graphics.BeginDraw();
#endif
pianoRoll.RenderVideoFrame(s.graphics, Channel.ChannelTypeToIndex(s.channel.Type), frame.playPattern, frame.playNote, frame.scroll[s.songChannelIndex], s.note.Value, color);
s.graphics.EndDraw();
}
// Render the full screen overlay.
#if FAMISTUDIO_LINUX || FAMISTUDIO_MACOS
videoGraphics.BeginDraw(dummyControl, videoResY);
#else
videoGraphics.BeginDraw();
#endif
videoGraphics.Clear(Color.Black);
// Composite the channel renders.
foreach (var s in channelStates)
{
int channelPosX1 = (int)Math.Round((s.videoChannelIndex + 1) * channelResXFloat);
videoGraphics.DrawRotatedFlippedBitmap(s.bitmap, channelPosX1, videoResY, s.bitmap.Size.Width, s.bitmap.Size.Height);
}
// Gradient
videoGraphics.FillRectangle(0, 0, videoResX, gradientSizeY, gradientBrush);
// Channel names + oscilloscope
foreach (var s in channelStates)
{
int channelPosX0 = (int)Math.Round((s.videoChannelIndex + 0) * channelResXFloat);
int channelPosX1 = (int)Math.Round((s.videoChannelIndex + 1) * channelResXFloat);
var channelNameSizeX = videoGraphics.MeasureString(s.channelText, font);
var channelIconPosX = channelPosX0 + channelResY / 2 - (channelNameSizeX + s.bmpIcon.Size.Width + ChannelIconTextSpacing) / 2;
videoGraphics.FillRectangle(channelIconPosX, ChannelIconPosY, channelIconPosX + s.bmpIcon.Size.Width, ChannelIconPosY + s.bmpIcon.Size.Height, theme.DarkGreyLineBrush2);
videoGraphics.DrawBitmap(s.bmpIcon, channelIconPosX, ChannelIconPosY);
videoGraphics.DrawText(s.channelText, font, channelIconPosX + s.bmpIcon.Size.Width + ChannelIconTextSpacing, ChannelIconPosY + textOffsetY, theme.LightGreyFillBrush1);
if (s.videoChannelIndex > 0)
{
videoGraphics.DrawLine(channelPosX0, 0, channelPosX0, videoResY, theme.BlackBrush, channelLineWidth);
}
var oscMinY = (int)(ChannelIconPosY + s.bmpIcon.Size.Height + 10);
var oscMaxY = (int)(oscMinY + 100.0f * (resY / 1080.0f));
GenerateOscilloscope(s.wav, frame.wavOffset, (int)Math.Round(SampleRate * OscilloscopeWindowSize), oscLookback, oscScale, channelPosX0 + 10, oscMinY, channelPosX1 - 10, oscMaxY, oscilloscope);
videoGraphics.AntiAliasing = true;
videoGraphics.DrawLine(oscilloscope, theme.LightGreyFillBrush1);
videoGraphics.AntiAliasing = false;
}
// Watermark.
videoGraphics.DrawBitmap(bmpWatermark, videoResX - bmpWatermark.Size.Width, videoResY - bmpWatermark.Size.Height);
videoGraphics.EndDraw();
// Readback + send to ffmpeg.
videoGraphics.GetBitmap(videoImage);
stream.Write(videoImage);
// Dump debug images.
// DumpDebugImage(videoImage, videoResX, videoResY, f);
}
}
process.WaitForExit();
process.Dispose();
process = null;
File.Delete(tempAudioFile);
}
#if !DEBUG
catch (Exception e)
{
Log.LogMessage(LogSeverity.Error, "Error exporting video.");
Log.LogMessage(LogSeverity.Error, e.Message);
}
finally
#endif
{
pianoRoll.EndVideoRecording();
foreach (var c in channelStates)
{
c.bmpIcon.Dispose();
c.bitmap.Dispose();
c.graphics.Dispose();
}
theme.Terminate();
bmpWatermark.Dispose();
gradientBrush.Dispose();
videoGraphics.Dispose();
}
return(true);
}