public static async Task VideoToFrames(string inputFile, string framesDir, bool alpha, float rate, bool deDupe, bool delSrc, Size size)
{
Logger.Log("Extracting video frames from input video...");
string sizeStr = (size.Width > 1 && size.Height > 1) ? $"-s {size.Width}x{size.Height}" : "";
IOUtils.CreateDir(framesDir);
string timecodeStr = /* timecodes ? $"-copyts -r {FrameOrder.timebase} -frame_pts true" : */ "-frame_pts true";
string mpStr = deDupe ? ((Config.GetInt("mpdecimateMode") == 0) ? mpDecDef : mpDecAggr) : "";
string filters = FormatUtils.ConcatStrings(new string[] { GetPadFilter(), mpStr });
string vf = filters.Length > 2 ? $"-vf {filters}" : "";
string rateArg = (rate > 0) ? $" -r {rate.ToStringDot()}" : "";
string pixFmt = alpha ? "-pix_fmt rgba" : "-pix_fmt rgb24"; // Use RGBA for GIF for alpha support
string args = $"{rateArg} {GetTrimArg(true)} -i {inputFile.Wrap()} {compr} -vsync 0 {pixFmt} {timecodeStr} {vf} {sizeStr} {GetTrimArg(false)} \"{framesDir}/%{Padding.inputFrames}d.png\"";
LogMode logMode = Interpolate.currentInputFrameCount > 50 ? LogMode.OnlyLastLine : LogMode.Hidden;
await RunFfmpeg(args, logMode, TaskType.ExtractFrames, true);
int amount = IOUtils.GetAmountOfFiles(framesDir, false, "*.png");
Logger.Log($"Extracted {amount} {(amount == 1 ? "frame" : "frames")} from input.", false, true);
await Task.Delay(1);
if (delSrc)
{
DeleteSource(inputFile);
}
}
public static async Task VideoToFrames(string inputFile, string framesDir, bool alpha, Fraction rate, bool deDupe, bool delSrc, Size size, string format)
{
Logger.Log("Extracting video frames from input video...");
Logger.Log($"VideoToFrames() - Alpha: {alpha} - Rate: {rate} - Size: {size} - Format: {format}", true, false, "ffmpeg");
string sizeStr = (size.Width > 1 && size.Height > 1) ? $"-s {size.Width}x{size.Height}" : "";
IoUtils.CreateDir(framesDir);
string mpStr = deDupe ? ((Config.GetInt(Config.Key.mpdecimateMode) == 0) ? mpDecDef : mpDecAggr) : "";
string filters = FormatUtils.ConcatStrings(new[] { GetPadFilter(), mpStr });
string vf = filters.Length > 2 ? $"-vf {filters}" : "";
string rateArg = (rate.GetFloat() > 0) ? $" -r {rate}" : "";
string args = $"{GetTrimArg(true)} -i {inputFile.Wrap()} {GetImgArgs(format, true, alpha)} -vsync 0 {rateArg} -frame_pts 1 {vf} {sizeStr} {GetTrimArg(false)} \"{framesDir}/%{Padding.inputFrames}d{format}\"";
LogMode logMode = await Interpolate.GetCurrentInputFrameCount() > 50 ? LogMode.OnlyLastLine : LogMode.Hidden;
await RunFfmpeg(args, logMode, true);
int amount = IoUtils.GetAmountOfFiles(framesDir, false, "*" + format);
Logger.Log($"Extracted {amount} {(amount == 1 ? "frame" : "frames")} from input.", false, true);
await Task.Delay(1);
if (delSrc)
{
DeleteSource(inputFile);
}
}
public static async Task FramesToGifConcat(string framesFile, string outPath, float fps, bool palette, int colors = 64, float resampleFps = -1, LogMode logMode = LogMode.OnlyLastLine)
{
if (logMode != LogMode.Hidden)
{
Logger.Log((resampleFps <= 0) ? $"Encoding GIF..." : $"Encoding GIF resampled to {resampleFps.ToString().Replace(",", ".")} FPS...");
}
string vfrFilename = Path.GetFileName(framesFile);
string paletteFilter = palette ? $"-vf \"split[s0][s1];[s0]palettegen={colors}[p];[s1][p]paletteuse=dither=floyd_steinberg\"" : "";
string fpsFilter = (resampleFps <= 0) ? "" : $"fps=fps={resampleFps.ToStringDot()}";
string vf = FormatUtils.ConcatStrings(new string[] { paletteFilter, fpsFilter });
string rate = fps.ToStringDot();
string args = $"-f concat -r {rate} -i {vfrFilename.Wrap()} -f gif {vf} {outPath.Wrap()}";
await RunFfmpeg(args, framesFile.GetParentDir(), LogMode.OnlyLastLine, "error", TaskType.Encode);
}
public static async Task FramesToGifConcat(string framesFile, string outPath, Fraction rate, bool palette, int colors, Fraction resampleFps, float itsScale, LogMode logMode = LogMode.OnlyLastLine)
{
if (rate.GetFloat() > 50f && (resampleFps.GetFloat() > 50f || resampleFps.GetFloat() < 1))
{
resampleFps = new Fraction(50, 1); // Force limit framerate as encoding above 50 will cause problems
}
if (logMode != LogMode.Hidden)
{
Logger.Log((resampleFps.GetFloat() <= 0) ? $"Encoding GIF..." : $"Encoding GIF resampled to {resampleFps.GetFloat().ToString().Replace(",", ".")} FPS...");
}
string framesFilename = Path.GetFileName(framesFile);
string dither = Config.Get(Config.Key.gifDitherType).Split(' ').First();
string paletteFilter = palette ? $"-vf \"split[s0][s1];[s0]palettegen={colors}[p];[s1][p]paletteuse=dither={dither}\"" : "";
string fpsFilter = (resampleFps.GetFloat() <= 0) ? "" : $"fps=fps={resampleFps}";
string vf = FormatUtils.ConcatStrings(new string[] { paletteFilter, fpsFilter });
string extraArgs = Config.Get(Config.Key.ffEncArgs);
rate = rate / new Fraction(itsScale);
string args = $"-f concat -r {rate} -i {framesFilename.Wrap()} -gifflags -offsetting {vf} {extraArgs} {outPath.Wrap()}";
await RunFfmpeg(args, framesFile.GetParentDir(), LogMode.OnlyLastLine, "error");
}