public void CopyTo(JaggedShortArray destination, int sourceindex, int num, int index)
{
for (int i = sourceindex; i < sourceindex + num; i++)
{
this[i].CopyTo(destination[index + i - sourceindex], 0);
}
}
public void CopyTo(JaggedShortArray destination, int index)
{
for (int i = 0; i < Rank1; i++)
{
this[i].CopyTo(destination[index + i], 0);
}
}
public Decoder(string filename, AudioFormat format) : this(format)
{
RawkError error = RawkError.Unknown;
int channels; int samplerate; long samples;
switch (Format)
{
case AudioFormat.VorbisOgg:
error = CreateVorbisDecoder(filename, out channels, out samplerate, out samples, out identifier);
break;
case AudioFormat.FmodSoundBank:
error = CreateFsbDecoder(filename, out channels, out samplerate, out samples, out identifier);
break;
case AudioFormat.BinkAudio:
case AudioFormat.BinkEncryptedRB2:
error = CreateBinkDecoder(filename, out channels, out samplerate, out samples, out identifier);
break;
case AudioFormat.Vgs:
error = CreateVgsDecoder(filename, out channels, out samplerate, out samples, out identifier);
break;
default:
throw new ArgumentException();
}
Channels = channels; SampleRate = samplerate; Samples = samples;
ThrowRawkError(error);
AudioBuffer = new JaggedShortArray(Channels, BufferSize);
}
public void AddDecoder(int targetchannel, IDecoder decoder, int channel)
{
if (SampleRate == 0)
{
SampleRate = decoder.SampleRate;
}
else if (SampleRate != decoder.SampleRate)
{
throw new FormatException();
}
if (AudioBuffer != null && decoder.AudioBuffer.Rank2 != AudioBuffer.Rank2)
{
throw new FormatException();
}
Mapping.Add(new Pair <int, Pair <IDecoder, int> >(targetchannel, new Pair <IDecoder, int>(decoder, channel)));
AudioBuffer = new JaggedShortArray(Channels, BufferSize);
if (!Decoders.Contains(decoder))
{
Decoders.Add(decoder);
TemporaryAudioBuffer = new JaggedShortArray(Decoders.Sum(d => d.Channels), AudioBuffer.Rank2);
}
UpdateMasks();
}
public ZeroDecoder(int channels, int samplerate, long samples)
{
Channels = channels;
SampleRate = samplerate;
Samples = samples;
Position = 0;
AudioBuffer = new JaggedShortArray(Channels, RawkAudio.Decoder.BufferSize);
}
public void Write(JaggedShortArray samples, int count)
{
if (disposed)
{
throw new ObjectDisposedException(string.Empty);
}
RawkError error = Compress(identifier, samples.Pointer, count);
ThrowRawkError(error);
}
public static void TranscodePreview(IList <int> previewtimes, List <AudioFormat.Mapping> maps, IDecoder decoder, Stream stream, ProgressIndicator progress)
{
RawkAudio.Encoder encoder;
if (maps != null && maps.Count(m => m.Instrument == Instrument.Preview) > 0)
{
decoder.Seek(0);
List <ushort> masks = new List <ushort>();
foreach (var m in maps)
{
if (m.Instrument == Instrument.Preview)
{
masks.Add((ushort)(1 << maps.IndexOf(m)));
}
}
ushort[] mask = masks.ToArray();
encoder = new RawkAudio.Encoder(stream, mask.Length, decoder.SampleRate, 28000);
long samples = decoder.Samples;
progress.NewTask("Transcoding Preview", samples);
JaggedShortArray buffer = new JaggedShortArray(encoder.Channels, decoder.AudioBuffer.Rank2);
while (samples > 0)
{
int read = decoder.Read((int)Math.Min(samples, decoder.AudioBuffer.Rank2));
if (read <= 0)
{
break;
}
decoder.AudioBuffer.DownmixTo(buffer, mask, read);
encoder.Write(buffer, read);
samples -= read;
progress.Progress(read);
}
progress.EndTask();
}
else
{
long start = Math.Min(decoder.Samples, (long)previewtimes[0] * decoder.SampleRate / 1000);
decoder.Seek(start);
long duration = Math.Min(decoder.Samples - start, (long)(previewtimes[1] - previewtimes[0]) * decoder.SampleRate / 1000);
encoder = new RawkAudio.Encoder(stream, 1, decoder.SampleRate);
AudioFormat.Transcode(encoder, decoder, duration, progress);
}
encoder.Dispose();
}
public static long ProcessOffset(IDecoder decoder, IEncoder encoder, long offset)
{
offset = offset * encoder.SampleRate / 1000;
if (offset > 0)
{
decoder.Seek(offset);
}
else if (offset < 0) // Silence
{
offset = -offset;
JaggedShortArray buffer = new JaggedShortArray(encoder.Channels, decoder.AudioBuffer.Rank2);
while (offset > 0)
{
int samples = (int)Math.Min(offset, buffer.Rank2);
encoder.Write(buffer, samples);
offset -= samples;
}
}
return(offset);
}
public override void EncodeAudio(AudioFormat audioformat, FormatData formatdata, ProgressIndicator progress)
{
progress.NewTask(20);
Stream audio = formatdata.AddStream(this, AudioName);
progress.SetNextWeight(1);
List <AudioFormat.Mapping> oldmaps = audioformat.Mappings;
ushort[] masks = PlatformRB2WiiCustomDLC.RemixAudioTracks(formatdata.Song, audioformat);
progress.SetNextWeight(14);
long samples = audioformat.Decoder.Samples;
CryptedMoggStream mogg = new CryptedMoggStream(audio);
//mogg.WriteHeader(samples);
mogg.WriteHeader();
RawkAudio.Encoder encoder = new RawkAudio.Encoder(mogg, audioformat.Channels, audioformat.Decoder.SampleRate, 28000);
progress.NewTask("Transcoding Audio", samples);
JaggedShortArray buffer = new JaggedShortArray(encoder.Channels, audioformat.Decoder.AudioBuffer.Rank2);
AudioFormat.ProcessOffset(audioformat.Decoder, encoder, audioformat.InitialOffset);
while (samples > 0)
{
//int read = audioformat.Decoder.Read((int)Math.Min(samples, 0x4E20));
//int read = audioformat.Decoder.Read((int)Math.Min(samples, 0x20));
int read = audioformat.Decoder.Read((int)Math.Min(samples, buffer.Rank2));
if (read <= 0)
{
break;
}
audioformat.Decoder.AudioBuffer.DownmixTo(buffer, masks, read);
encoder.Write(buffer, read);
samples -= read;
progress.Progress(read);
//mogg.Update(read);
}
progress.EndTask();
progress.Progress(14);
encoder.Dispose();
mogg.WriteEntries();
formatdata.CloseStream(audio);
progress.SetNextWeight(6);
Stream preview = formatdata.AddStream(this, PreviewName);
mogg = new CryptedMoggStream(preview);
mogg.WriteHeader();
PlatformRB2WiiCustomDLC.TranscodePreview(formatdata.Song.PreviewTimes, oldmaps, audioformat.Decoder != null ? audioformat.Decoder : new ZeroDecoder(1, 28000, 0x7FFFFFFFFFFFFFFF), mogg, progress);
formatdata.CloseStream(preview);
progress.EndTask();
progress.Progress(6);
Stream formatstream = formatdata.AddStream(this, FormatName);
audioformat.Save(formatstream);
formatdata.CloseStream(formatstream);
}
public override void SaveSong(PlatformData data, FormatData formatdata, ProgressIndicator progress)
{
string path = data.Session["path"] as string;
SongData song = formatdata.Song;
progress.NewTask(8);
int i;
string songpath = null;
for (i = 0; i < 0x1000; i++)
{
songpath = Path.Combine(path, song.ID + (i == 0 ? "" : i.ToString()));
if (!Directory.Exists(songpath))
{
break;
}
}
Directory.CreateDirectory(songpath);
AudioFormat audio = (formatdata.GetFormat(FormatType.Audio) as IAudioFormat).DecodeAudio(formatdata, progress);
progress.Progress();
ChartFormat chart = (formatdata.GetFormat(FormatType.Chart) as IChartFormat).DecodeChart(formatdata, progress);
progress.Progress();
Stream chartstream = new FileStream(Path.Combine(songpath, "notes.mid"), FileMode.Create, FileAccess.Write);
chart.Save(chartstream);
chartstream.Close();
Ini ini = new Ini();
ini.SetValue("song", "name", song.Name);
ini.SetValue("song", "artist", song.Artist);
ini.SetValue("song", "album", song.Album);
ini.SetValue("song", "genre", song.Genre);
ini.SetValue("song", "year", song.Year.ToString());
ini.SetValue("song", "diff_band", ImportMap.GetBaseTier(Instrument.Ambient, song.Difficulty[Instrument.Ambient]).ToString());
ini.SetValue("song", "diff_guitar", ImportMap.GetBaseTier(Instrument.Guitar, song.Difficulty[Instrument.Guitar]).ToString());
ini.SetValue("song", "diff_bass", ImportMap.GetBaseTier(Instrument.Bass, song.Difficulty[Instrument.Bass]).ToString());
ini.SetValue("song", "diff_drums", ImportMap.GetBaseTier(Instrument.Drums, song.Difficulty[Instrument.Drums]).ToString());
Stream inistream = new FileStream(Path.Combine(songpath, "song.ini"), FileMode.Create, FileAccess.Write);
ini.Save(inistream);
inistream.Close();
if (song.AlbumArt != null)
{
Stream albumart = new FileStream(Path.Combine(songpath, "album.png"), FileMode.Create, FileAccess.Write);
song.AlbumArt.Save(albumart, ImageFormat.Png);
albumart.Close();
}
JaggedShortArray encoderdata;
var instruments = audio.Mappings.GroupBy(m => m.Instrument == Instrument.Vocals ? Instrument.Ambient : m.Instrument);
encoderdata = new JaggedShortArray(2, RawkAudio.Decoder.BufferSize);
int count = instruments.Count();
Stream[] streams = new Stream[count];
IEncoder[] encoders = new IEncoder[count];
ushort[][] masks = new ushort[count][];
i = 0;
foreach (var item in instruments)
{
string filename = null;
switch (item.Key)
{
case Instrument.Guitar:
filename = "guitar.ogg";
break;
case Instrument.Bass:
filename = "rhythm.ogg";
break;
case Instrument.Drums:
filename = "drums.ogg";
break;
case Instrument.Ambient:
filename = "song.ogg";
break;
case Instrument.Preview:
filename = "preview.ogg";
break;
}
streams[i] = new FileStream(Path.Combine(songpath, filename), FileMode.Create, FileAccess.Write);
masks[i] = new ushort[2];
foreach (var map in item)
{
int index = audio.Mappings.IndexOf(map);
if (map.Balance <= 0)
{
masks[i][0] |= (ushort)(1 << index);
}
if (map.Balance >= 0)
{
masks[i][1] |= (ushort)(1 << index);
}
}
encoders[i] = new RawkAudio.Encoder(streams[i], 2, audio.Decoder.SampleRate, 44100);
i++;
}
if (audio.InitialOffset > 0)
{
AudioFormat.ProcessOffset(audio.Decoder, encoders[0], audio.InitialOffset);
}
else
{
for (i = 0; i < encoders.Length; i++)
{
AudioFormat.ProcessOffset(audio.Decoder, encoders[i], audio.InitialOffset);
}
}
long samples = audio.Decoder.Samples;
progress.NewTask("Transcoding Audio", samples, 6);
while (samples > 0)
{
int read = audio.Decoder.Read();
if (read <= 0)
{
break;
}
// TODO: Apply volumes to each channel
for (i = 0; i < count; i++)
{
audio.Decoder.AudioBuffer.DownmixTo(encoderdata, masks[i], read, false);
encoders[i].Write(encoderdata, read);
}
samples -= read;
progress.Progress(read);
}
for (i = 0; i < count; i++)
{
encoders[i].Dispose();
streams[i].Close();
}
progress.EndTask();
progress.Progress(6);
progress.EndTask();
}
public void DownmixTo(JaggedShortArray output, ushort[] masks, int samples, bool normalize = true)
{
RawkAudio.RawkError error = RawkAudio.Downmix(this.Pointer, Rank1, output.Pointer, Math.Min(masks.Length, output.Rank1), masks, samples, normalize ? 1 : 0);
RawkAudio.ThrowRawkError(error);
}
private Decoder(AudioFormat format)
{
disposed = false;
Format = format;
AudioBuffer = new JaggedShortArray(Channels, BufferSize);
}
public FFmpegDecoder(Stream stream)
{
if (!Enabled)
{
try {
FFmpeg.av_register_all();
Enabled = true;
} catch (Exception ex) {
throw ex;
}
}
stream.Position = 0;
Stream = new TemporaryStream();
Util.StreamCopy(Stream, stream, stream.Length);
Stream.ClosePersist();
FFmpeg.av_open_input_file(out FormatPointer, Stream.Name, IntPtr.Zero, 0, IntPtr.Zero);
if (FFmpeg.av_find_stream_info(FormatPointer) < 0)
{
throw new FormatException();
}
Format = (FFmpeg.AVFormatContext)Marshal.PtrToStructure(FormatPointer, typeof(FFmpeg.AVFormatContext));
for (StreamIndex = 0; StreamIndex < Format.nb_streams; StreamIndex++)
{
if (Format.streams[StreamIndex] == IntPtr.Zero)
{
continue;
}
AVStream = (FFmpeg.AVStream)Marshal.PtrToStructure(Format.streams[StreamIndex], typeof(FFmpeg.AVStream));
Codec = (FFmpeg.AVCodecContext)Marshal.PtrToStructure(AVStream.codec, typeof(FFmpeg.AVCodecContext));
if (Codec.codec_type == FFmpeg.CodecType.CODEC_TYPE_AUDIO)
{
DecoderPointer = FFmpeg.avcodec_find_decoder(Codec.codec_id);
break;
}
}
if (DecoderPointer == IntPtr.Zero)
{
throw new FormatException();
}
FFmpeg.avcodec_open(AVStream.codec, DecoderPointer);
Channels = Codec.channels;
SampleRate = Codec.sample_rate;
if (AVStream.duration < 0)
{
Samples = long.MaxValue;
}
else
{
Samples = AVStream.time_base.num * AVStream.duration * SampleRate / AVStream.time_base.den;
}
PacketPointer = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(FFmpeg.AVPacket)));
//FFmpegBufferSize = (FFmpeg.AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2;
FFmpegBufferSize = BufferSize * Channels * 2;
FFmpegBuffer = Marshal.AllocHGlobal(FFmpegBufferSize);
AudioBuffer = new JaggedShortArray(Channels, BufferSize);
CacheBuffer = new byte[FFmpegBufferSize];
Cache = new MemoryStream();
CacheOffset = 0;
CacheLength = 0;
}