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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="Converters.cs" company="HandBrake Project (http://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// Defines the Converters type.
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrake.Interop
{
using System;
using System.Collections.Generic;
using HandBrake.Interop.HbLib;
using HandBrake.Interop.Model.Encoding;
using HandBrake.Interop.SourceData;
using HandBrake.Interop.Model;
/// <summary>
/// The converters.
/// </summary>
public static class Converters
{
/// <summary>
/// Video Frame Rates
/// </summary>
private static readonly Dictionary<double, int> VideoRates = new Dictionary<double, int>
{
{5, 5400000},
{10, 2700000},
{12, 2250000},
{15, 1800000},
{23.976, 1126125},
{24, 1125000},
{25, 1080000},
{29.97, 900900},
{30, 900000},
{50, 540000},
{59.94, 450450},
{60, 450000}
};
/// <summary>
/// Convert Framerate to Video Rates
/// </summary>
/// <param name="framerate">
/// The framerate.
/// </param>
/// <returns>
/// The vrate if a valid framerate is passed in.
/// </returns>
/// <exception cref="ArgumentException">
/// Thrown when framerate is invalid.
/// </exception>
public static int FramerateToVrate(double framerate)
{
if (!VideoRates.ContainsKey(framerate))
{
throw new ArgumentException("Framerate not recognized.", "framerate");
}
return VideoRates[framerate];
}
/// <summary>
/// Gets the native code for the given encoder.
/// </summary>
/// <param name="encoder">The audio encoder to convert.</param>
/// <returns>The native code for the encoder.</returns>
public static uint AudioEncoderToNative(AudioEncoder encoder)
{
switch (encoder)
{
case AudioEncoder.Passthrough:
return NativeConstants.HB_ACODEC_AUTO_PASS;
case AudioEncoder.Ac3Passthrough:
return NativeConstants.HB_ACODEC_AC3_PASS;
case AudioEncoder.Ac3:
return NativeConstants.HB_ACODEC_AC3;
case AudioEncoder.Faac:
return NativeConstants.HB_ACODEC_FAAC;
case AudioEncoder.ffaac:
return NativeConstants.HB_ACODEC_FFAAC;
case AudioEncoder.AacPassthru:
return NativeConstants.HB_ACODEC_AAC_PASS;
case AudioEncoder.Lame:
return NativeConstants.HB_ACODEC_LAME;
case AudioEncoder.Mp3Passthru:
return NativeConstants.HB_ACODEC_MP3_PASS;
case AudioEncoder.DtsPassthrough:
return NativeConstants.HB_ACODEC_DCA_PASS;
case AudioEncoder.DtsHDPassthrough:
return NativeConstants.HB_ACODEC_DCA_HD_PASS;
case AudioEncoder.Vorbis:
return NativeConstants.HB_ACODEC_VORBIS;
case AudioEncoder.ffflac:
return NativeConstants.HB_ACODEC_FFFLAC;
}
return 0;
}
/// <summary>
/// Convert Native HB Internal Audio int to a AudioCodec model.
/// </summary>
/// <param name="codec">
/// The codec.
/// </param>
/// <returns>
/// An AudioCodec object.
/// </returns>
public static AudioCodec NativeToAudioCodec(uint codec)
{
switch (codec)
{
case NativeConstants.HB_ACODEC_AC3:
return AudioCodec.Ac3;
case NativeConstants.HB_ACODEC_DCA:
return AudioCodec.Dts;
case NativeConstants.HB_ACODEC_DCA_HD:
return AudioCodec.DtsHD;
case NativeConstants.HB_ACODEC_LAME:
case NativeConstants.HB_ACODEC_MP3:
return AudioCodec.Mp3;
case NativeConstants.HB_ACODEC_FAAC:
case NativeConstants.HB_ACODEC_FFAAC:
case NativeConstants.HB_ACODEC_CA_AAC:
case NativeConstants.HB_ACODEC_CA_HAAC:
return AudioCodec.Aac;
case NativeConstants.HB_ACODEC_FFFLAC:
return AudioCodec.Flac;
default:
return AudioCodec.Other;
}
}
/// <summary>
/// Converts a native HB encoder structure to an Encoder model.
/// </summary>
/// <param name="encoder">The structure to convert.</param>
/// <returns>The converted model.</returns>
public static HBVideoEncoder NativeToVideoEncoder(hb_encoder_s encoder)
{
var result = new HBVideoEncoder
{
Id = encoder.encoder,
ShortName = encoder.short_name,
DisplayName = encoder.human_readable_name,
CompatibleContainers = Container.None
};
if ((encoder.muxers & NativeConstants.HB_MUX_MKV) > 0)
{
result.CompatibleContainers = result.CompatibleContainers | Container.Mkv;
}
if ((encoder.muxers & NativeConstants.HB_MUX_MP4) > 0)
{
result.CompatibleContainers = result.CompatibleContainers | Container.Mp4;
}
return result;
}
/// <summary>
/// Converts a native HB encoder structure to an Encoder model.
/// </summary>
/// <param name="encoder">The structure to convert.</param>
/// <returns>The converted model.</returns>
public static HBAudioEncoder NativeToAudioEncoder(hb_encoder_s encoder)
{
var result = new HBAudioEncoder
{
Id = encoder.encoder,
ShortName = encoder.short_name,
DisplayName = encoder.human_readable_name,
CompatibleContainers = Container.None
};
if ((encoder.muxers & NativeConstants.HB_MUX_MKV) > 0)
{
result.CompatibleContainers = result.CompatibleContainers | Container.Mkv;
}
if ((encoder.muxers & NativeConstants.HB_MUX_MP4) > 0)
{
result.CompatibleContainers = result.CompatibleContainers | Container.Mp4;
}
result.QualityLimits = Encoders.GetAudioQualityLimits(encoder.encoder);
result.DefaultQuality = HBFunctions.hb_get_default_audio_quality((uint)encoder.encoder);
result.CompressionLimits = Encoders.GetAudioCompressionLimits(encoder.encoder);
result.DefaultCompression = HBFunctions.hb_get_default_audio_compression((uint) encoder.encoder);
return result;
}
/// <summary>
/// Converts a native HB mixdown structure to a Mixdown model.
/// </summary>
/// <param name="mixdown">The structure to convert.</param>
/// <returns>The converted model.</returns>
public static HBMixdown NativeToMixdown(hb_mixdown_s mixdown)
{
return new HBMixdown
{
Id = mixdown.amixdown,
ShortName = mixdown.short_name,
DisplayName = mixdown.human_readable_name
};
}
}
}
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