public LHV1(WaveFormat waveFormat_0, uint uint_0, uint uint_1) { if (waveFormat_0.waveFormatTag_0 != WaveFormatTag.PCM) { throw new ArgumentOutOfRangeException("format", "Only PCM format supported"); } if (waveFormat_0.short_2 != 16) { throw new ArgumentOutOfRangeException("format", "Only 16 bits samples supported"); } this.dwStructVersion = 1u; this.dwStructSize = (uint)Marshal.SizeOf(typeof(BE_CONFIG)); uint num = (uint)((uint_1 == 0u) ? waveFormat_0.int_0 : ((int)uint_1)); if (num <= 24000u) { if (num == 16000u || num == 22050u || num == 24000u) { this.dwMpegVersion = 0u; goto IL_B6; } } else if (num == 32000u || num == 44100u || num == 48000u) { this.dwMpegVersion = 1u; goto IL_B6; } throw new ArgumentOutOfRangeException("format", "Unsupported sample rate"); IL_B6: this.dwSampleRate = (uint)waveFormat_0.int_0; this.dwReSampleRate = uint_1; switch (waveFormat_0.short_0) { case 1: this.nMode = MpegMode.Mono; break; case 2: this.nMode = MpegMode.Stereo; break; default: throw new ArgumentOutOfRangeException("format", "Invalid number of channels"); } if (uint_0 <= 80u) { if (uint_0 <= 32u) { if (uint_0 <= 16u) { if (uint_0 != 8u && uint_0 != 16u) { goto IL_1E5; } } else if (uint_0 != 24u) { if (uint_0 != 32u) { goto IL_1E5; } goto IL_20E; } } else if (uint_0 <= 48u) { if (uint_0 != 40u && uint_0 != 48u) { goto IL_1E5; } goto IL_20E; } else { if (uint_0 != 56u && uint_0 != 64u && uint_0 != 80u) { goto IL_1E5; } goto IL_20E; } } else if (uint_0 <= 144u) { if (uint_0 <= 112u) { if (uint_0 != 96u && uint_0 != 112u) { goto IL_1E5; } goto IL_20E; } else { if (uint_0 == 128u) { goto IL_20E; } if (uint_0 != 144u) { goto IL_1E5; } } } else { if (uint_0 <= 192u) { if (uint_0 == 160u) { goto IL_20E; } if (uint_0 != 192u) { goto IL_1E5; } } else if (uint_0 != 224u && uint_0 != 256u) { if (uint_0 != 320u) { goto IL_1E5; } } if (this.dwMpegVersion != 1u) { throw new ArgumentOutOfRangeException("MpsBitRate", "Bit rate not compatible with input format"); } goto IL_20E; } if (this.dwMpegVersion != 0u) { throw new ArgumentOutOfRangeException("MpsBitRate", "Bit rate not compatible with input format"); } goto IL_20E; IL_1E5: throw new ArgumentOutOfRangeException("MpsBitRate", "Unsupported bit rate"); IL_20E: this.dwBitrate = uint_0; this.nPreset = LameQualityPreset.LqpNormalQuality; this.dwPsyModel = 0u; this.dwEmphasis = 0u; this.bOriginal = 1; this.bWriteVBRHeader = 0; this.bNoRes = 0; this.bCopyright = 0; this.bCRC = 0; this.bEnableVBR = 0; this.bPrivate = 0; this.bStrictIso = 0; this.dwMaxBitrate = 0u; this.dwVbrAbr_bps = 0u; this.nQuality = 0; this.nVbrMethod = VbrMethod.None; this.nVBRQuality = 0; }