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Receive stream index as an argument for generating GIFs

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This commit is contained in:
Rafael Carvalho 2023-03-07 16:19:03 +13:00
parent b7fd9890da
commit 19c177a248
2 changed files with 6 additions and 3 deletions
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7
FFMpegCore/FFMpeg/Arguments/GifPalettArgument.cs
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@ -4,18 +4,21 @@ namespace FFMpegCore.Arguments
{ {
public class GifPalettArgument : IArgument public class GifPalettArgument : IArgument
{ {
private readonly int _streamIndex;
private readonly int _fps; private readonly int _fps;
private readonly Size? _size; private readonly Size? _size;
public GifPalettArgument(int fps, Size? size) public GifPalettArgument(int streamIndex, int fps, Size? size)
{ {
_streamIndex = streamIndex;
_fps = fps; _fps = fps;
_size = size; _size = size;
} }
private string ScaleText => _size.HasValue ? $"scale=w={_size.Value.Width}:h={_size.Value.Height}," : string.Empty; private string ScaleText => _size.HasValue ? $"scale=w={_size.Value.Width}:h={_size.Value.Height}," : string.Empty;
public string Text => $"-filter_complex \"[0:v] fps={_fps},{ScaleText}split [a][b];[a] palettegen=max_colors=32 [p];[b][p] paletteuse=dither=bayer\""; public string Text => $"-filter_complex \"[{_streamIndex}:v] fps={_fps},{ScaleText}split [a][b];[a] palettegen=max_colors=32 [p];[b][p] paletteuse=dither=bayer\"";
} }
} }

2
FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs
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@ -76,7 +76,7 @@ public FFMpegArgumentOptions DeselectStreams(IEnumerable<int> streamIndices, int
public FFMpegArgumentOptions WithAudibleEncryptionKeys(string key, string iv) => WithArgument(new AudibleEncryptionKeyArgument(key, iv)); public FFMpegArgumentOptions WithAudibleEncryptionKeys(string key, string iv) => WithArgument(new AudibleEncryptionKeyArgument(key, iv));
public FFMpegArgumentOptions WithAudibleActivationBytes(string activationBytes) => WithArgument(new AudibleEncryptionKeyArgument(activationBytes)); public FFMpegArgumentOptions WithAudibleActivationBytes(string activationBytes) => WithArgument(new AudibleEncryptionKeyArgument(activationBytes));
public FFMpegArgumentOptions WithTagVersion(int id3v2Version = 3) => WithArgument(new ID3V2VersionArgument(id3v2Version)); public FFMpegArgumentOptions WithTagVersion(int id3v2Version = 3) => WithArgument(new ID3V2VersionArgument(id3v2Version));
public FFMpegArgumentOptions WithGifPalettArgument(Size? size, int fps = 12) => WithArgument(new GifPalettArgument(fps, size)); public FFMpegArgumentOptions WithGifPalettArgument(int streamIndex, Size? size, int fps = 12) => WithArgument(new GifPalettArgument(streamIndex, fps, size));
public FFMpegArgumentOptions WithArgument(IArgument argument) public FFMpegArgumentOptions WithArgument(IArgument argument)
{ {