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Add negative mapping to select stream (deselect)

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Sky Z 2022-07-14 02:34:34 -04:00 committed by Malte Rosenbjerg
parent ca8275436b
commit 40f97594f0
2 changed files with 12 additions and 4 deletions
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6
FFMpegCore/FFMpeg/Arguments/MapStreamArgument.cs
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@ -10,8 +10,9 @@ public class MapStreamArgument : IArgument
private readonly int _inputFileIndex; private readonly int _inputFileIndex;
private readonly int _streamIndex; private readonly int _streamIndex;
private readonly Channel _channel; private readonly Channel _channel;
private readonly bool _negativeMap;
public MapStreamArgument(int streamIndex, int inputFileIndex, Channel channel = Channel.All) public MapStreamArgument(int streamIndex, int inputFileIndex, Channel channel = Channel.All, bool negativeMap = false)
{ {
if (channel == Channel.Both) if (channel == Channel.Both)
{ {
@ -21,8 +22,9 @@ public MapStreamArgument(int streamIndex, int inputFileIndex, Channel channel =
_inputFileIndex = inputFileIndex; _inputFileIndex = inputFileIndex;
_streamIndex = streamIndex; _streamIndex = streamIndex;
_channel = channel; _channel = channel;
_negativeMap = negativeMap;
} }
public string Text => $"-map {_inputFileIndex}{_channel.StreamType()}:{_streamIndex}"; public string Text => $"-map {(_negativeMap?"-":"")}{_inputFileIndex}{_channel.StreamType()}:{_streamIndex}";
} }
} }

10
FFMpegCore/FFMpeg/FFMpegArgumentOptions.cs
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@ -63,8 +63,14 @@ public FFMpegArgumentOptions WithAudioFilters(Action<AudioFilterOptions> audioFi
public FFMpegArgumentOptions OverwriteExisting() => WithArgument(new OverwriteArgument()); public FFMpegArgumentOptions OverwriteExisting() => WithArgument(new OverwriteArgument());
public FFMpegArgumentOptions SelectStream(int streamIndex, int inputFileIndex = 0, public FFMpegArgumentOptions SelectStream(int streamIndex, int inputFileIndex = 0,
Channel channel = Channel.All) => WithArgument(new MapStreamArgument(streamIndex, inputFileIndex, channel)); Channel channel = Channel.All) => WithArgument(new MapStreamArgument(streamIndex, inputFileIndex, channel));
public FFMpegArgumentOptions SelectStreams(IEnumerable<int> streamIndices, int inputFileIndex = 0, Channel channel = Channel.All) => public FFMpegArgumentOptions SelectStreams(IEnumerable<int> streamIndices, int inputFileIndex = 0,
streamIndices.Aggregate(this, (options, streamIndex) => options.SelectStream(streamIndex, inputFileIndex, channel)); Channel channel = Channel.All) => streamIndices.Aggregate(this,
(options, streamIndex) => options.SelectStream(streamIndex, inputFileIndex, channel));
public FFMpegArgumentOptions DeselectStream(int streamIndex, int inputFileIndex = 0,
Channel channel = Channel.All) => WithArgument(new MapStreamArgument(streamIndex, inputFileIndex, channel, true));
public FFMpegArgumentOptions DeselectStreams(IEnumerable<int> streamIndices, int inputFileIndex = 0,
Channel channel = Channel.All) => streamIndices.Aggregate(this,
(options, streamIndex) => options.DeselectStream(streamIndex, inputFileIndex, channel));
public FFMpegArgumentOptions ForceFormat(ContainerFormat format) => WithArgument(new ForceFormatArgument(format)); public FFMpegArgumentOptions ForceFormat(ContainerFormat format) => WithArgument(new ForceFormatArgument(format));
public FFMpegArgumentOptions ForceFormat(string format) => WithArgument(new ForceFormatArgument(format)); public FFMpegArgumentOptions ForceFormat(string format) => WithArgument(new ForceFormatArgument(format));