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Faster encoding using symlink folder

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N00MKRAD
2021-04-03 16:30:07 +02:00
parent 283ba43330
commit 250c33b91a
6 changed files with 66 additions and 18 deletions
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38
Code/Media/FfmpegEncode.cs
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@@ -4,6 +4,7 @@ using Flowframes.Main;
using Flowframes.MiscUtils;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Globalization;
using System.IO;
@@ -18,22 +19,51 @@ namespace Flowframes.Media
{
public static async Task FramesToVideoConcat(string framesFile, string outPath, Interpolate.OutMode outMode, Fraction fps, LogMode logMode = LogMode.OnlyLastLine, bool isChunk = false)
{
await FramesToVideoConcat(framesFile, outPath, outMode, fps, 0, logMode, isChunk);
await FramesToVideo(framesFile, outPath, outMode, fps, 0, logMode, isChunk);
}
public static async Task FramesToVideoConcat(string framesFile, string outPath, Interpolate.OutMode outMode, Fraction fps, float resampleFps, LogMode logMode = LogMode.OnlyLastLine, bool isChunk = false)
public static async Task FramesToVideo(string framesFile, string outPath, Interpolate.OutMode outMode, Fraction fps, float resampleFps, LogMode logMode = LogMode.OnlyLastLine, bool isChunk = false)
{
if (logMode != LogMode.Hidden)
Logger.Log((resampleFps <= 0) ? $"Encoding video..." : $"Encoding video resampled to {resampleFps.ToString().Replace(",", ".")} FPS...");
Directory.CreateDirectory(outPath.GetParentDir());
string encArgs = Utils.GetEncArgs(Utils.GetCodec(outMode));
if (!isChunk) encArgs += $" -movflags +faststart";
string vfrFilename = Path.GetFileName(framesFile);
string inArg = $"-f concat -i {Path.GetFileName(framesFile)}";
if (Config.GetBool("allowSymlinkEncoding", true) && IOUtils.SymlinksAllowed())
{
string linksDir = Path.Combine(framesFile + Paths.symlinksSuffix);
inArg = $"-i {Path.GetFileName(framesFile) + Paths.symlinksSuffix}/%{Padding.interpFrames}d.png";
MakeSymlinks(framesFile, linksDir, Padding.interpFrames);
}
string rate = fps.ToString().Replace(",", ".");
string vf = (resampleFps <= 0) ? "" : $"-vf fps=fps={resampleFps.ToStringDot()}";
string extraArgs = Config.Get("ffEncArgs");
string args = $"-vsync 0 -f concat -r {rate} -i {vfrFilename} {encArgs} {vf} {extraArgs} -threads {Config.GetInt("ffEncThreads")} {outPath.Wrap()}";
string args = $"-vsync 0 -r {rate} {inArg} {encArgs} {vf} {extraArgs} -threads {Config.GetInt("ffEncThreads")} {outPath.Wrap()}";
await RunFfmpeg(args, framesFile.GetParentDir(), logMode, "error", TaskType.Encode, !isChunk);
IOUtils.TryDeleteIfExists(Path.Combine(framesFile + Paths.symlinksSuffix));
}
static void MakeSymlinks(string framesFile, string linksDir, int zPad = 8)
{
Directory.CreateDirectory(linksDir);
Stopwatch sw = new Stopwatch(); sw.Restart();
Logger.Log($"Creating symlinks for '{framesFile}'", true);
int counter = 0;
foreach (string line in File.ReadAllLines(framesFile))
{
string relTargetPath = line.Remove("file '").Split('\'').FirstOrDefault(); // Relative path in frames file
string absTargetPath = Path.Combine(framesFile.GetParentDir(), relTargetPath); // Full path to frame
string linkPath = Path.Combine(linksDir, counter.ToString().PadLeft(zPad, '0') + Path.GetExtension(relTargetPath));
IOUtils.CreateSymbolicLink(linkPath, absTargetPath, IOUtils.SymbolicLink.Unprivileged);
counter++;
}
Logger.Log($"Created {counter} symlinks in {FormatUtils.TimeSw(sw)}", true);
}
public static async Task FramesToGifConcat(string framesFile, string outPath, Fraction rate, bool palette, int colors = 64, float resampleFps = -1, LogMode logMode = LogMode.OnlyLastLine)