//设置播放源文件
public void SelectFile(string fileName)
{
this._fileName = fileName;
if (_stream != 0)
{
_updateTimer.Stop();
Bass.BASS_StreamFree(_stream);
}
// create the stream
_stream = Bass.BASS_StreamCreateFile(_fileName, 0, 0, BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_STREAM_PRESCAN);
// set dsp
_myDSPAddr = new DSPPROC(MyDSPGainUnsafe);
Bass.BASS_ChannelSetDSP(_stream, _myDSPAddr, IntPtr.Zero, 2);
//if (_stream != 0)
//{
// // get some channel info
// //info = new BASS_CHANNELINFO();
// //Bass.BASS_ChannelGetInfo(_stream, info);
// // get the tags...
// //tagInfo = new TAG_INFO(_fileName);
//}
GetWaveForm();
}
public bool Start()
{
if (this.IsAssigned)
{
return(true);
}
this._dspHandle = Bass.BASS_ChannelSetDSP(this._channel, this._dspProc, this._user, this._dspPriority);
this.OnStarted();
return(this._dspHandle != 0);
}
private void button1_Click(object sender, EventArgs e)
{
_updateTimer.Stop();
Bass.BASS_StreamFree(stream);
if (favorites.Count > 0 && playFavorites.Checked)
{
song = int.Parse(favorites[favoriteIndex]);
favoriteIndex++;
if (favoriteIndex >= favorites.Count)
{
favoriteIndex = 0;
}
}
else
{
song = rand.Next(1, 189357);
}
isFavorite.Checked = isFavorited(song);
using (var client = new WebClient())
{
client.DownloadFile($@"https://api.modarchive.org/downloads.php?moduleid={song}", "song.tmp");
}
lblSong.Text = $"Mod Archive #{song}";
lblSong.Tag = song;
stream = Bass.BASS_StreamCreateFile(@"song.tmp", 0, 0, BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_STREAM_PRESCAN);
myDSPAddr = new DSPPROC(MyDSPGainUnsafe);
Bass.BASS_ChannelSetDSP(stream, myDSPAddr, IntPtr.Zero, 2);
Bass.BASS_ChannelPlay(stream, true);
_updateTimer.Start();
}
private void btnPlay_Click(object sender, EventArgs e)
{
updateTimer.Stop();
Bass.BASS_StreamFree(stream);
if (filename != string.Empty)
{
stream = Bass.BASS_StreamCreateFile(filename, 0, 0, BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_STREAM_PRESCAN);
if (stream != 0)
{
mslength = (int)Bass.BASS_ChannelSeconds2Bytes(stream, 0.03);
deviceLatencyBytes = (int)Bass.BASS_ChannelSeconds2Bytes(stream, deviceLatencyMS / 1000.0);
myDSPAddr = new DSPPROC(MyDSPGain);
Bass.BASS_ChannelSetDSP(stream, myDSPAddr, IntPtr.Zero, 2);
if (WF2 != null && WF2.IsRendered)
{
WF2.SyncPlayback(stream);
long cuein = WF2.GetMarker("CUE");
long cueout = WF2.GetMarker("END");
int cueinFrame = WF2.Position2Frames(cuein);
int cueoutFrame = WF2.Position2Frames(cueout);
if (cuein >= 0)
{
Bass.BASS_ChannelSetPosition(stream, cuein);
}
if (cueout >= 0)
{
Bass.BASS_ChannelRemoveSync(stream, syncer);
syncer = Bass.BASS_ChannelSetSync(stream, BASSSync.BASS_SYNC_POS, cueout, sync, IntPtr.Zero);
}
}
}
if (stream != 0 && Bass.BASS_ChannelPlay(stream, false))
{
textBox1.Text = "";
updateTimer.Start();
BASS_CHANNELINFO info = new BASS_CHANNELINFO();
Bass.BASS_ChannelGetInfo(stream, info);
textBox1.Text += "Info: " + info.ToString() + Environment.NewLine;
TAG_INFO tagInfo = new TAG_INFO();
if (BassTags.BASS_TAG_GetFromFile(stream, tagInfo))
{
textBoxAlbum.Text = tagInfo.album;
textBoxArtist.Text = tagInfo.artist;
textBoxTitle.Text = tagInfo.title;
textBoxComment.Text = tagInfo.comment;
textBoxGenre.Text = tagInfo.genre;
textBoxYear.Text = tagInfo.year;
textBoxTrack.Text = tagInfo.track;
}
btnStop.Enabled = true;
btnPlay.Enabled = false;
}
}
}
public override bool Start(ENCODEPROC proc, IntPtr user, bool paused)
{
if (base.EncoderHandle != 0 || (proc != null && !this.SupportsSTDOUT))
{
return(false);
}
this._paused = paused;
this._encoderProc = null;
this._byteSend = 0L;
BASSWMAEncode basswmaencode = BASSWMAEncode.BASS_WMA_ENCODE_DEFAULT;
if (this.WMA_ForceStandard)
{
basswmaencode |= BASSWMAEncode.BASS_WMA_ENCODE_STANDARD;
}
else
{
if (this.WMA_UsePro)
{
basswmaencode |= BASSWMAEncode.BASS_WMA_ENCODE_PRO;
}
if (this.WMA_Use24Bit)
{
basswmaencode |= BASSWMAEncode.BASS_WMA_ENCODE_24BIT;
basswmaencode |= BASSWMAEncode.BASS_WMA_ENCODE_PRO;
}
}
this._channel = base.ChannelHandle;
this.WMA_TargetNumChans = base.ChannelNumChans;
this.WMA_TargetSampleRate = base.ChannelSampleRate;
if (base.InputFile != null)
{
this._channel = Bass.BASS_StreamCreateFile(base.InputFile, 0L, 0L, BASSFlag.BASS_STREAM_DECODE | (this.WMA_Use24Bit ? BASSFlag.BASS_SAMPLE_FLOAT : BASSFlag.BASS_DEFAULT));
if (this._channel == 0)
{
return(false);
}
if (this.WMA_Use24Bit)
{
basswmaencode |= BASSWMAEncode.BASS_SAMPLE_FLOAT;
}
}
else if (base.ChannelBitwidth == 32)
{
basswmaencode |= BASSWMAEncode.BASS_SAMPLE_FLOAT;
}
else if (base.ChannelBitwidth == 8)
{
basswmaencode |= BASSWMAEncode.BASS_SAMPLE_8BITS;
}
if (this.WMA_UseNetwork)
{
basswmaencode |= BASSWMAEncode.BASS_WMA_ENCODE_SCRIPT;
}
int bitrate = this.WMA_Bitrate * 1000;
if (this.WMA_UseVBR && this.WMA_VBRQuality > 0 && this.WMA_VBRQuality <= 100)
{
bitrate = this.WMA_VBRQuality;
}
if (proc != null && !this.WMA_UseNetwork)
{
this._encoderProc = proc;
this._wmEncoderProc = new WMENCODEPROC(this.EncodingWMAHandler);
}
if (base.OutputFile == null)
{
if (this.WMA_UseNetwork && !this.WMA_UsePublish)
{
if (this.WMA_MultiBitrate != null && this.WMA_MultiBitrate.Length != 0)
{
int[] array = new int[this.WMA_MultiBitrate.Length];
for (int i = 0; i < this.WMA_MultiBitrate.Length; i++)
{
array[i] = this.WMA_MultiBitrate[i] * 1000;
}
base.EncoderHandle = BassWma.BASS_WMA_EncodeOpenNetworkMulti(this.WMA_TargetSampleRate, this.WMA_TargetNumChans, basswmaencode, array, this.WMA_NetworkPort, this.WMA_NetworkClients);
}
else
{
if (this.WMA_MultiBitrate != null)
{
bitrate = this.WMA_MultiBitrate[0];
}
base.EncoderHandle = BassWma.BASS_WMA_EncodeOpenNetwork(this.WMA_TargetSampleRate, this.WMA_TargetNumChans, basswmaencode, bitrate, this.WMA_NetworkPort, this.WMA_NetworkClients);
}
}
else if (this.WMA_UseNetwork && this.WMA_UsePublish)
{
if (this.WMA_MultiBitrate != null && this.WMA_MultiBitrate.Length > 1)
{
int[] array2 = new int[this.WMA_MultiBitrate.Length];
for (int j = 0; j < this.WMA_MultiBitrate.Length; j++)
{
array2[j] = this.WMA_MultiBitrate[j] * 1000;
}
base.EncoderHandle = BassWma.BASS_WMA_EncodeOpenPublishMulti(this.WMA_TargetSampleRate, this.WMA_TargetNumChans, basswmaencode, array2, this.WMA_PublishUrl, this.WMA_PublishUsername, this.WMA_PublishPassword);
}
else
{
base.EncoderHandle = BassWma.BASS_WMA_EncodeOpenPublish(this.WMA_TargetSampleRate, this.WMA_TargetNumChans, basswmaencode, bitrate, this.WMA_PublishUrl, this.WMA_PublishUsername, this.WMA_PublishPassword);
}
}
else if (proc != null)
{
base.EncoderHandle = BassWma.BASS_WMA_EncodeOpen(this.WMA_TargetSampleRate, this.WMA_TargetNumChans, basswmaencode, bitrate, this._wmEncoderProc, user);
}
}
else
{
base.EncoderHandle = BassWma.BASS_WMA_EncodeOpenFile(this.WMA_TargetSampleRate, this.WMA_TargetNumChans, basswmaencode, bitrate, base.OutputFile);
if (base.TAGs != null)
{
if (!string.IsNullOrEmpty(base.TAGs.title))
{
this.SetTag("Title", base.TAGs.title);
}
if (!string.IsNullOrEmpty(base.TAGs.artist))
{
this.SetTag("Author", base.TAGs.artist);
}
if (!string.IsNullOrEmpty(base.TAGs.album))
{
this.SetTag("WM/AlbumTitle", base.TAGs.album);
}
if (!string.IsNullOrEmpty(base.TAGs.albumartist))
{
this.SetTag("WM/AlbumArtist", base.TAGs.albumartist);
}
if (!string.IsNullOrEmpty(base.TAGs.year))
{
this.SetTag("WM/Year", base.TAGs.year);
}
if (!string.IsNullOrEmpty(base.TAGs.track))
{
this.SetTag("WM/TrackNumber", base.TAGs.track);
}
if (!string.IsNullOrEmpty(base.TAGs.disc))
{
this.SetTag("WM/PartOfSet", base.TAGs.disc);
}
if (!string.IsNullOrEmpty(base.TAGs.genre))
{
this.SetTag("WM/Genre", base.TAGs.genre);
}
if (!string.IsNullOrEmpty(base.TAGs.comment))
{
this.SetTag("Description", base.TAGs.comment);
}
if (!string.IsNullOrEmpty(base.TAGs.composer))
{
this.SetTag("WM/Composer", base.TAGs.composer);
}
if (!string.IsNullOrEmpty(base.TAGs.conductor))
{
this.SetTag("WM/Conductor", base.TAGs.conductor);
}
if (!string.IsNullOrEmpty(base.TAGs.lyricist))
{
this.SetTag("WM/Writer", base.TAGs.lyricist);
}
if (!string.IsNullOrEmpty(base.TAGs.remixer))
{
this.SetTag("WM/ModifiedBy", base.TAGs.remixer);
}
if (!string.IsNullOrEmpty(base.TAGs.producer))
{
this.SetTag("WM/Producer", base.TAGs.producer);
}
if (!string.IsNullOrEmpty(base.TAGs.encodedby))
{
this.SetTag("WM/EncodedBy", base.TAGs.encodedby);
}
if (!string.IsNullOrEmpty(base.TAGs.copyright))
{
this.SetTag("Copyright", base.TAGs.copyright);
}
if (!string.IsNullOrEmpty(base.TAGs.publisher))
{
this.SetTag("WM/Publisher", base.TAGs.publisher);
}
if (!string.IsNullOrEmpty(base.TAGs.bpm))
{
this.SetTag("WM/BeatsPerMinute", base.TAGs.bpm);
}
if (!string.IsNullOrEmpty(base.TAGs.grouping))
{
this.SetTag("WM/ContentGroupDescription", base.TAGs.grouping);
}
if (!string.IsNullOrEmpty(base.TAGs.rating))
{
this.SetTag("WM/Rating", base.TAGs.rating);
}
if (!string.IsNullOrEmpty(base.TAGs.mood))
{
this.SetTag("WM/Mood", base.TAGs.mood);
}
if (!string.IsNullOrEmpty(base.TAGs.isrc))
{
this.SetTag("WM/ISRC", base.TAGs.isrc);
}
if (base.TAGs.replaygain_track_peak >= 0f)
{
this.SetTag("replaygain_track_peak", base.TAGs.replaygain_track_peak.ToString("R", CultureInfo.InvariantCulture));
}
if (base.TAGs.replaygain_track_gain >= -60f && base.TAGs.replaygain_track_gain <= 60f)
{
this.SetTag("replaygain_track_gain", base.TAGs.replaygain_track_gain.ToString("R", CultureInfo.InvariantCulture) + " dB");
}
}
}
if (base.EncoderHandle == 0)
{
return(false);
}
this._dspCallback = new DSPPROC(this.EncodingDSPHandler);
this._dspHandle = Bass.BASS_ChannelSetDSP(base.ChannelHandle, this._dspCallback, IntPtr.Zero, Bass.BASS_GetConfig(BASSConfig.BASS_CONFIG_ENCODE_PRIORITY));
if (this._dspHandle == 0)
{
this.Stop();
return(false);
}
if (base.InputFile != null)
{
Utils.DecodeAllData(this._channel, true);
}
this._channel = 0;
return(base.EncoderHandle != 0);
}
private void ReAssign(int oldChannel, int newChannel)
{
Bass.BASS_ChannelRemoveDSP(oldChannel, this._dspHandle);
this._dspHandle = Bass.BASS_ChannelSetDSP(newChannel, this._dspProc, this._user, this._dspPriority);
}