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Add AudioBitrate as separate Argument

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This commit is contained in:
Malte Rosenbjerg 2020-05-01 10:07:40 +02:00
parent bc76d830d4
commit 4b88229f72
6 changed files with 57 additions and 23 deletions
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18
FFMpegCore.Test/ArgumentBuilderTest.cs
View file

@ -51,8 +51,22 @@ public void Builder_BuildString_Scale()
[TestMethod]
public void Builder_BuildString_AudioCodec()
{
var str = GetArgumentsString(new AudioCodecArgument(AudioCodec.Aac, AudioQuality.Normal));
Assert.AreEqual(str, "-i \"input.mp4\" -c:a aac -b:a 128k \"output.mp4\"");
var str = GetArgumentsString(new AudioCodecArgument(AudioCodec.Aac));
Assert.AreEqual(str, "-i \"input.mp4\" -c:a aac \"output.mp4\"");
}
[TestMethod]
public void Builder_BuildString_AudioBitrate()
{
var str = GetArgumentsString(new AudioBitrateArgument(AudioQuality.Normal));
Assert.AreEqual(str, "-i \"input.mp4\" -b:a 128k \"output.mp4\"");
}
[TestMethod]
public void Builder_BuildString_Quiet()
{
var str = GetArgumentsString(new QuietArgument());
Assert.AreEqual(str, "-i \"input.mp4\" -hide_banner -loglevel warning \"output.mp4\"");
}
[TestMethod]

19
FFMpegCore/FFMPEG/Argument/Atoms/AudioBitrateArgument.cs Normal file
View file

@ -0,0 +1,19 @@
using FFMpegCore.FFMPEG.Enums;
namespace FFMpegCore.FFMPEG.Argument
{
/// <summary>
/// Represents parameter of audio codec and it's quality
/// </summary>
public class AudioBitrateArgument : Argument<int>
{
public AudioBitrateArgument(AudioQuality value) : base((int)value) { }
public AudioBitrateArgument(int bitrate) : base(bitrate) { }
/// <inheritdoc/>
public override string GetStringValue()
{
return $"-b:a {Value}k";
}
}
}

16
FFMpegCore/FFMPEG/Argument/Atoms/AudioCodecArgument.cs
View file

@ -7,26 +7,12 @@ namespace FFMpegCore.FFMPEG.Argument
/// </summary>
public class AudioCodecArgument : Argument<AudioCodec>
{
/// <summary>
/// Bitrate of audio channel
/// </summary>
public int Bitrate { get; } = (int)AudioQuality.Normal;
public AudioCodecArgument() { }
public AudioCodecArgument(AudioCodec value) : base(value) { }
public AudioCodecArgument(AudioCodec value, AudioQuality bitrate) : this(value, (int) bitrate) { }
public AudioCodecArgument(AudioCodec value, int bitrate) : base(value)
{
Bitrate = bitrate;
}
/// <inheritdoc/>
public override string GetStringValue()
{
return $"-c:a {Value.ToString().ToLower()} -b:a {Bitrate}k";
return $"-c:a {Value.ToString().ToLower()}";
}
}
}

10
FFMpegCore/FFMPEG/Argument/Atoms/QuietArgument.cs Normal file
View file

@ -0,0 +1,10 @@
namespace FFMpegCore.FFMPEG.Argument
{
public class QuietArgument : Argument
{
public override string GetStringValue()
{
return "-hide_banner -loglevel warning";
}
}
}

15
FFMpegCore/FFMPEG/FFMpeg.cs
View file

@ -149,7 +149,8 @@ public VideoInfo Convert(
new ScaleArgument(outputSize),
new VideoCodecArgument(VideoCodec.LibX264, 2400),
new SpeedArgument(speed),
new AudioCodecArgument(AudioCodec.Aac, audioQuality),
new AudioCodecArgument(AudioCodec.Aac),
new AudioBitrateArgument(audioQuality),
new OutputArgument(output))),
VideoType.Ogv => Convert(new ArgumentContainer(
new InputArgument(source),
@ -157,7 +158,8 @@ public VideoInfo Convert(
new ScaleArgument(outputSize),
new VideoCodecArgument(VideoCodec.LibTheora, 2400),
new SpeedArgument(speed),
new AudioCodecArgument(AudioCodec.LibVorbis, audioQuality),
new AudioCodecArgument(AudioCodec.LibVorbis),
new AudioBitrateArgument(audioQuality),
new OutputArgument(output))),
VideoType.Ts => Convert(new ArgumentContainer(
new InputArgument(source),
@ -171,7 +173,8 @@ public VideoInfo Convert(
new ScaleArgument(outputSize),
new VideoCodecArgument(VideoCodec.LibVpx, 2400),
new SpeedArgument(speed),
new AudioCodecArgument(AudioCodec.LibVorbis, audioQuality),
new AudioCodecArgument(AudioCodec.LibVorbis),
new AudioBitrateArgument(audioQuality),
new OutputArgument(output))),
_ => throw new ArgumentOutOfRangeException(nameof(type))
};
@ -194,7 +197,8 @@ public VideoInfo PosterWithAudio(FileInfo image, FileInfo audio, FileInfo output
new InputArgument(image.FullName, audio.FullName),
new LoopArgument(1),
new VideoCodecArgument(VideoCodec.LibX264, 2400),
new AudioCodecArgument(AudioCodec.Aac, AudioQuality.Normal),
new AudioCodecArgument(AudioCodec.Aac),
new AudioBitrateArgument(AudioQuality.Normal),
new ShortestArgument(true),
new OutputArgument(output)
);
@ -375,7 +379,8 @@ public VideoInfo ReplaceAudio(VideoInfo source, FileInfo audio, FileInfo output,
return Convert(new ArgumentContainer(
new InputArgument(source.FullName, audio.FullName),
new CopyArgument(),
new AudioCodecArgument(AudioCodec.Aac, AudioQuality.Hd),
new AudioCodecArgument(AudioCodec.Aac),
new AudioBitrateArgument(AudioQuality.Hd),
new ShortestArgument(stopAtShortest),
new OutputArgument(output)
));

2
FFMpegCore/FFMPEG/FFProbe.cs
View file

@ -72,7 +72,7 @@ private VideoInfo ParseVideoInfoInternal(VideoInfo info, string probeOutput)
{
var metadata = JsonConvert.DeserializeObject<FFMpegStreamMetadata>(probeOutput);
if (metadata.Streams == null || metadata.Streams.Count == 0)
if (metadata?.Streams == null || metadata.Streams.Count == 0)
{
throw new FFMpegException(FFMpegExceptionType.File, $"No video or audio streams could be detected. Source: ${info.FullName}");
}