public EditViewModel(NamedAudio namedAudio,
List <Category> inCategories,
List <Category> notInCategories,
ulong server,
uint quote)
{
NamedAudio = namedAudio;
InCategories = inCategories;
NotInCategories = notInCategories;
Server = server;
Quote = quote;
}
/// <summary>
/// Splits a NamedAudio with more than two channels into separate NamedAudios with two or one channels each.
/// If this NamedAudio has one or two channels, it will be returned as-is.
/// </summary>
public NamedAudio[] SplitMultiChannelToStereo()
{
if (Audio.Channels < 3)
{
return new NamedAudio[] { this }
}
;
NamedAudio[] array = new NamedAudio[(Audio.Channels + 1) / 2];
for (int i = 0; i < array.Length; i++)
{
int leftChannel = i * 2;
int rightChannel = leftChannel + 1;
if (Audio.Channels <= rightChannel)
{
// Only one channel left over
short[] samples = new short[Audio.Samples.Length / Audio.Channels];
int fromIndex = leftChannel;
int toIndex = 0;
while (fromIndex < Audio.Samples.Length)
{
samples[toIndex++] = Audio.Samples[fromIndex++];
fromIndex += (Audio.Channels - 1);
}
array[i] = new NamedAudio(
new PCM16Audio(1, Audio.SampleRate, samples, Audio.LoopStart, Audio.LoopEnd),
Name + " (channel " + leftChannel + ")"
);
}
else
{
// Create stereo track
short[] samples = new short[2 * Audio.Samples.Length / Audio.Channels];
int fromIndex = leftChannel;
int toIndex = 0;
while (fromIndex < Audio.Samples.Length)
{
samples[toIndex++] = Audio.Samples[fromIndex++];
samples[toIndex++] = Audio.Samples[fromIndex++];
fromIndex += (Audio.Channels - 2);
}
array[i] = new NamedAudio(
new PCM16Audio(2, Audio.SampleRate, samples, Audio.LoopStart, Audio.LoopEnd),
Name + " (channels " + leftChannel + " and " + rightChannel + ")"
);
}
}
return(array);
}
}
/// <summary>
/// Splits a NamedAudio with more than one channel into separate NamedAudios with one channel each.
/// If this NamedAudio has one channel, it will be returned as-is.
/// </summary>
public NamedAudio[] SplitMultiChannelToMono()
{
if (Audio.Channels < 2)
{
return new NamedAudio[] { this }
}
;
NamedAudio[] array = new NamedAudio[Audio.Channels];
for (int i = 0; i < array.Length; i++)
{
short[] samples = new short[Audio.Samples.Length / Audio.Channels];
for (int j = 0; j < samples.Length; j++)
{
samples[j] = Audio.Samples[Audio.Channels * j + i];
}
array[i] = new NamedAudio(
new PCM16Audio(1, Audio.SampleRate, samples, Audio.LoopStart, Audio.LoopEnd),
Name + " (channel " + i + ")"
);
}
return(array);
}
public DeleteViewModel(NamedAudio namedAudio, ulong server)
{
NamedAudio = namedAudio;
Server = server;
}
