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Add MultiInput Test

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AddyMills 2024-03-03 12:49:34 -06:00
parent d836501681
commit 622db9600c
1 changed files with 20 additions and 0 deletions
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20
FFMpegCore.Test/ArgumentBuilderTest.cs
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@ -9,6 +9,7 @@ namespace FFMpegCore.Test
public class ArgumentBuilderTest public class ArgumentBuilderTest
{ {
private readonly string[] _concatFiles = { "1.mp4", "2.mp4", "3.mp4", "4.mp4" }; private readonly string[] _concatFiles = { "1.mp4", "2.mp4", "3.mp4", "4.mp4" };
private readonly string[] _multiFiles = { "1.mp3", "2.mp3", "3.mp3", "4.mp3" };
[TestMethod] [TestMethod]
public void Builder_BuildString_IO_1() public void Builder_BuildString_IO_1()
@ -611,5 +612,24 @@ public void Builder_BuildString_TeeOutput()
-i "input.mp4" -f tee "[movflags=faststart]output.mp4|[f=mpegts:select=\'0:v:0\']http://server/path" -i "input.mp4" -f tee "[movflags=faststart]output.mp4|[f=mpegts:select=\'0:v:0\']http://server/path"
""", str); """, str);
} }
[TestMethod]
public void Builder_BuildString_MultiInput()
{
var audioStreams = string.Join("", _multiFiles.Select((item, index) => $"[{index}:0]"));
var mixFilter = $"{audioStreams}amix=inputs={_multiFiles.Length}:duration=longest:dropout_transition=1:normalize=0[final]";
var ffmpegArgs = $"-filter_complex \"{mixFilter}\" -map \"[final]\"";
var str = FFMpegArguments
.FromFileInput(_multiFiles)
.OutputToFile("output.mp3", overwrite: true, options => options
.WithCustomArgument(ffmpegArgs)
.WithAudioCodec(AudioCodec.LibMp3Lame) // Set the audio codec to MP3
.WithAudioBitrate(128) // Set the bitrate to 128kbps
.WithAudioSamplingRate(48000) // Set the sample rate to 48kHz
.WithoutMetadata() // Remove metadata
.WithCustomArgument("-ac 2 -write_xing 0 -id3v2_version 0")) // Force 2 Channels
.Arguments;
Assert.AreEqual($"-i \"1.mp3\" -i \"2.mp3\" -i \"3.mp3\" -i \"4.mp3\" -filter_complex \"[0:0][1:0][2:0][3:0]amix=inputs=4:duration=longest:dropout_transition=1:normalize=0[final]\" -map \"[final]\" -c:a libmp3lame -b:a 128k -ar 48000 -map_metadata -1 -ac 2 -write_xing 0 -id3v2_version 0 \"output.mp3\" -y", str);
}
} }
} }