public static async Task FramesToFrames(string framesFile, string outDir, int startNo, Fraction fps, Fraction resampleFps, string format = "png", int lossyQ = 1, LogMode logMode = LogMode.OnlyLastLine)
{
Directory.CreateDirectory(outDir);
string inArg = $"-f concat -i {Path.GetFileName(framesFile)}";
string linksDir = Path.Combine(framesFile + Paths.symlinksSuffix);
format = format.ToLower();
if (Config.GetBool(Config.Key.allowSymlinkEncoding, true) && Symlinks.SymlinksAllowed())
{
if (await Symlinks.MakeSymlinksForEncode(framesFile, linksDir, Padding.interpFrames))
{
inArg = $"-i {Path.GetFileName(framesFile) + Paths.symlinksSuffix}/%{Padding.interpFrames}d{GetConcatFileExt(framesFile)}";
}
}
string sn = $"-start_number {startNo}";
string rate = fps.ToString().Replace(",", ".");
string vf = (resampleFps.GetFloat() < 0.1f) ? "" : $"-vf fps=fps={resampleFps}";
string compression = format == "png" ? pngCompr : $"-q:v {lossyQ}";
string codec = format == "webp" ? "-c:v libwebp" : ""; // Specify libwebp to avoid putting all frames into single animated WEBP
string args = $"-vsync 0 -r {rate} {inArg} {codec} {compression} {sn} {vf} \"{outDir}/%{Padding.interpFrames}d.{format}\"";
await RunFfmpeg(args, framesFile.GetParentDir(), logMode, "error", true);
IoUtils.TryDeleteIfExists(linksDir);
}
public static async Task ImportImages(string inPath, string outPath, bool alpha, Size size, bool showLog, string format)
{
if (showLog)
{
Logger.Log($"Importing images from {new DirectoryInfo(inPath).Name}...");
}
Logger.Log($"ImportImages() - Alpha: {alpha} - Size: {size} - Format: {format}", true, false, "ffmpeg");
IoUtils.CreateDir(outPath);
string concatFile = Path.Combine(Paths.GetDataPath(), "import-concat-temp.ini");
FfmpegUtils.CreateConcatFile(inPath, concatFile, Filetypes.imagesInterpCompat);
string inArg = $"-f concat -safe 0 -i {concatFile.Wrap()}";
string linksDir = Path.Combine(concatFile + Paths.symlinksSuffix);
if (Config.GetBool(Config.Key.allowSymlinkEncoding, true) && Symlinks.SymlinksAllowed())
{
if (await Symlinks.MakeSymlinksForEncode(concatFile, linksDir, Padding.interpFrames))
{
inArg = $"-i \"{linksDir}/%{Padding.interpFrames}d{FfmpegEncode.GetConcatFileExt(concatFile)}\"";
}
}
string sizeStr = (size.Width > 1 && size.Height > 1) ? $"-s {size.Width}x{size.Height}" : "";
string vf = $"-vf {GetPadFilter()}";
string args = $"-r 25 {inArg} {GetImgArgs(format, true, alpha)} {sizeStr} -vsync 0 -start_number 0 {vf} \"{outPath}/%{Padding.inputFrames}d{format}\"";
LogMode logMode = IoUtils.GetAmountOfFiles(inPath, false) > 50 ? LogMode.OnlyLastLine : LogMode.Hidden;
await RunFfmpeg(args, logMode, "panic");
}
public static async Task FramesToVideo(string framesFile, string outPath, Interpolate.OutMode outMode, Fraction fps, Fraction resampleFps, float itsScale, VidExtraData extraData, LogMode logMode = LogMode.OnlyLastLine, bool isChunk = false)
{
if (logMode != LogMode.Hidden)
{
Logger.Log((resampleFps.GetFloat() <= 0) ? "Encoding video..." : $"Encoding video resampled to {resampleFps.GetString()} FPS...");
}
IoUtils.RenameExistingFile(outPath);
Directory.CreateDirectory(outPath.GetParentDir());
string[] encArgs = Utils.GetEncArgs(Utils.GetCodec(outMode), (Interpolate.current.ScaledResolution.IsEmpty ? Interpolate.current.InputResolution : Interpolate.current.ScaledResolution), Interpolate.current.outFps.GetFloat());
string inArg = $"-f concat -i {Path.GetFileName(framesFile)}";
string linksDir = Path.Combine(framesFile + Paths.symlinksSuffix);
if (Config.GetBool(Config.Key.allowSymlinkEncoding, true) && Symlinks.SymlinksAllowed())
{
if (await Symlinks.MakeSymlinksForEncode(framesFile, linksDir, Padding.interpFrames))
{
inArg = $"-i \"{linksDir}/%{Padding.interpFrames}d{GetConcatFileExt(framesFile)}\"";
}
}
string extraArgs = Config.Get(Config.Key.ffEncArgs);
List <string> filters = new List <string>();
if (resampleFps.GetFloat() >= 0.1f)
{
filters.Add($"fps=fps={resampleFps}");
}
if (Config.GetBool(Config.Key.keepColorSpace) && extraData.HasAllValues())
{
Logger.Log($"Applying color transfer ({extraData.colorSpace}).", true, false, "ffmpeg");
filters.Add($"scale=out_color_matrix={extraData.colorSpace}");
extraArgs += $" -colorspace {extraData.colorSpace} -color_primaries {extraData.colorPrimaries} -color_trc {extraData.colorTransfer} -color_range:v \"{extraData.colorRange}\"";
}
string vf = filters.Count > 0 ? $"-vf {string.Join(",", filters)}" : "";
fps = fps / new Fraction(itsScale);
string args = "";
for (int i = 0; i < encArgs.Length; i++)
{
string pre = i == 0 ? "" : $" && ffmpeg {AvProcess.GetFfmpegDefaultArgs()}";
string post = (i == 0 && encArgs.Length > 1) ? $"-f null -" : outPath.Wrap();
string fs = (!isChunk && outMode == Interpolate.OutMode.VidMp4) ? $"-movflags +faststart" : "";
args += $"{pre} -vsync 0 -r {fps} {inArg} {encArgs[i]} {vf} {GetAspectArg(extraData)} {extraArgs} -threads {Config.GetInt(Config.Key.ffEncThreads)} {fs} {post} ";
}
//string argsOld = $"-vsync 0 -r {fps} {inArg} {encArgs} {vf} {GetAspectArg(extraData)} {extraArgs} -threads {Config.GetInt(Config.Key.ffEncThreads)} {outPath.Wrap()}";
await RunFfmpeg(args, framesFile.GetParentDir(), logMode, !isChunk);
IoUtils.TryDeleteIfExists(linksDir);
}