Beispiel #1
0
        public void Load(string url)
        {
            CurrentMediaKind = MediaKind.None;

            FreeHandles();

            if (FormatHelpers.IsMidi(url) && File.Exists(_configuration.SoundFontPath))
            {
                BassMidi.DefaultFont = _configuration.SoundFontPath;
            }

            const BassFlags sourceflags = BassFlags.Decode | BassFlags.Loop | BassFlags.Float | BassFlags.Prescan;
            const BassFlags mixerflags  = BassFlags.MixerDownMix | BassFlags.MixerPositionEx | BassFlags.AutoFree;

            if (FormatHelpers.IsNetwork(url))
            {
                _sourceHandle    = Bass.CreateStream(url, 0, sourceflags, _callback, IntPtr.Zero);
                CurrentMediaKind = MediaKind.Network;
            }
            else if (FormatHelpers.IsCd(url))
            {
                (int drive, int track)cdInfo = FormatHelpers.ProcessCdUrl(url);
                _sourceHandle    = BassCd.CreateStream(cdInfo.drive, cdInfo.track, sourceflags);
                CurrentMediaKind = MediaKind.CDStream;
            }
            else if (FormatHelpers.IsTracker(url))
            {
                _sourceHandle    = Bass.MusicLoad(url, 0, 0, sourceflags);
                CurrentMediaKind = MediaKind.Tracker;
                MetaInfo         = TrackMetaInfoFactory.CreateTrackerInfo(url, _sourceHandle);
            }
            else
            {
                _sourceHandle    = Bass.CreateStream(url, 0, 0, sourceflags);
                CurrentMediaKind = MediaKind.File;
                MetaInfo         = TrackMetaInfoFactory.CreateFileInfo(url);
            }

            if (_sourceHandle == 0)
            {
                ExceptionFactory.Create(Bass.LastError, "File Load failed");
            }

            _sourceInfo  = Bass.ChannelGetInfo(_sourceHandle);
            _mixerHandle = BassMix.CreateMixerStream(_sourceInfo.Frequency, _sourceInfo.Channels, mixerflags);

            if (_mixerHandle == 0)
            {
                ExceptionFactory.Create(Bass.LastError, "Mixer failed");
            }

            if (!BassMix.MixerAddChannel(_mixerHandle, _sourceHandle, BassFlags.MixerDownMix))
            {
                ExceptionFactory.Create(Bass.LastError, "Channel mixing failed");
            }

            Bass.ChannelSetAttribute(_mixerHandle, ChannelAttribute.Volume, _lastvol);
            InitEq(ref _mixerHandle);
            Bass.ChannelPlay(_mixerHandle, false);
            IsPlaying = true;
            NotifyPropertyChanged(nameof(MetaInfo));
        }