1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
// --------------------------------------------------------------------------------------------------------------------
// <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;
public static class Converters
{
/// <summary>
/// Video Frame Rates
/// </summary>
private static Dictionary<double, int> vrates = new Dictionary<double, int>
{
{5, 5400000},
{10, 2700000},
{12, 2250000},
{15, 1800000},
{23.976, 1126125},
{24, 1125000},
{25, 1080000},
{29.97, 900900}
};
/// <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 (!vrates.ContainsKey(framerate))
{
throw new ArgumentException("Framerate not recognized.", "framerate");
}
return vrates[framerate];
}
/// <summary>
/// Convert a Mixdown object to HandBrakes native mixdown constant.
/// </summary>
/// <param name="mixdown">
/// The mixdown.
/// </param>
/// <returns>
/// NativeContstant that represents the mixdown.
/// </returns>
/// <exception cref="ArgumentException">
/// Thrown for an invalid mixodown.
/// </exception>
public static int MixdownToNative(Mixdown mixdown)
{
if (mixdown == Mixdown.Auto)
{
throw new ArgumentException("Cannot convert Auto to native.");
}
switch (mixdown)
{
case Mixdown.None:
return NativeConstants.HB_AMIXDOWN_NONE;
case Mixdown.DolbyProLogicII:
return NativeConstants.HB_AMIXDOWN_DOLBYPLII;
case Mixdown.DolbySurround:
return NativeConstants.HB_AMIXDOWN_DOLBY;
case Mixdown.Mono:
return NativeConstants.HB_AMIXDOWN_MONO;
case Mixdown.SixChannelDiscrete:
return NativeConstants.HB_AMIXDOWN_6CH;
case Mixdown.Stereo:
return NativeConstants.HB_AMIXDOWN_STEREO;
}
return 0;
}
/// <summary>
/// Convert an native internal handbrake mixdown to a local mixdown enum.
/// </summary>
/// <param name="mixdown">
/// The mixdown.
/// </param>
/// <returns>
/// A mixdown object.
/// </returns>
/// <exception cref="ArgumentException">
/// thrown when mixdown is invalid.
/// </exception>
public static Mixdown NativeToMixdown(int mixdown)
{
switch (mixdown)
{
case NativeConstants.HB_AMIXDOWN_NONE:
return Mixdown.None;
case NativeConstants.HB_AMIXDOWN_MONO:
return Mixdown.Mono;
case NativeConstants.HB_AMIXDOWN_STEREO:
return Mixdown.Stereo;
case NativeConstants.HB_AMIXDOWN_DOLBY:
return Mixdown.DolbySurround;
case NativeConstants.HB_AMIXDOWN_DOLBYPLII:
return Mixdown.DolbyProLogicII;
case NativeConstants.HB_AMIXDOWN_6CH:
return Mixdown.SixChannelDiscrete;
}
throw new ArgumentException("Unrecognized mixdown: " + mixdown, "mixdown");
}
/// <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;
}
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;
default:
return AudioCodec.Other;
}
}
}
}
|
