public static PcmData ReadWav(BinaryReader br) { var reader = new WavReader(); if (!reader.ReadHeaderAndSamples(br, 0, -1)) { return null; } var pcm = new PcmData(); pcm.AlbumTitle = reader.AlbumName; pcm.ArtistName = reader.ArtistName; pcm.DisplayName = reader.Title; pcm.SetFormat(reader.NumChannels, reader.BitsPerSample, reader.ValidBitsPerSample, reader.SampleRate, reader.SampleValueRepresentationType, reader.NumFrames); pcm.SetSampleArray(reader.GetSampleArray()); return pcm; }
private int StreamBeginWave(string path, long startFrame) { int ercd = -1; mWaveR = new WavReader(); mBr = new BinaryReader( File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read)); bool readSuccess = mWaveR.ReadStreamBegin(mBr, out mPcmData); if (readSuccess) { NumFrames = mWaveR.NumFrames; if (mWaveR.ReadStreamSkip(mBr, startFrame)) { ercd = 0; } } return ercd; }
/// <summary> /// 読み込み処理を通常終了する。 /// </summary> /// <returns>Error code</returns> public int StreamEnd() { int rv = 0; mMD5SumInMetadata = null; mMD5SumOfPcm = null; switch (m_format) { case Format.FLAC: rv = mFlacR.ReadStreamEnd(); mMD5SumInMetadata = mFlacR.MD5SumInMetadata; mMD5SumOfPcm = mFlacR.MD5SumOfPcm; break; case Format.AIFF: mAiffR.ReadStreamEnd(); break; case Format.WAVE: mWaveR.ReadStreamEnd(); break; case Format.DSF: mDsfR.ReadStreamEnd(); break; case Format.DSDIFF: mDsdiffR.ReadStreamEnd(); break; default: System.Diagnostics.Debug.Assert(false); break; } if (null != mBr) { mBr.Close(); mBr = null; } mPcmData = null; mFlacR = null; mAiffR = null; mWaveR = null; mDsfR = null; return rv; }
public void StreamAbort() { switch (m_format) { case Format.FLAC: mFlacR.ReadStreamAbort(); break; case Format.AIFF: mAiffR.ReadStreamEnd(); break; case Format.WAVE: mWaveR.ReadStreamEnd(); break; case Format.DSF: mDsfR.ReadStreamEnd(); break; case Format.DSDIFF: mDsdiffR.ReadStreamEnd(); break; default: System.Diagnostics.Debug.Assert(false); break; } if (null != mBr) { mBr.Close(); mBr = null; } mPcmData = null; mFlacR = null; mAiffR = null; mWaveR = null; mDsfR = null; }
private PcmData ReadWavFile(string path) { PcmData pcmData = new PcmData(); using (BinaryReader br = new BinaryReader( File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))) { var wavR = new WavReader(); bool readSuccess = wavR.ReadHeaderAndSamples(br, 0, -1); if (!readSuccess) { return null; } pcmData.SetFormat(wavR.NumChannels, wavR.BitsPerSample, wavR.BitsPerSample, wavR.SampleRate, wavR.SampleValueRepresentationType, wavR.NumFrames); pcmData.SetSampleArray(wavR.GetSampleArray()); } return pcmData; }
/// <summary> /// WAVファイルのヘッダ部分を読み込む。 /// </summary> /// <returns>読めたらtrue</returns> private bool ReadWavFileHeader(string path) { bool result = false; var pd = new PcmDataLib.PcmData(); var wavR = new WavReader(); using (BinaryReader br = new BinaryReader(File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))) { if (wavR.ReadHeader(br)) { // WAVヘッダ読み込み成功。PcmDataを作って再生リストに足す。 pd.SetFormat(wavR.NumChannels, wavR.BitsPerSample, wavR.ValidBitsPerSample, (int)wavR.SampleRate, wavR.SampleValueRepresentationType, wavR.NumFrames); if ("RIFFINFO_INAM".Equals(wavR.Title) && "RIFFINFO_IART".Equals(wavR.ArtistName)) { // Issue 79 workaround } else { if (wavR.Title != null) { pd.DisplayName = wavR.Title; } if (wavR.AlbumName != null) { pd.AlbumTitle = wavR.AlbumName; } if (wavR.ArtistName != null) { pd.ArtistName = wavR.ArtistName; } } pd.SetPicture(wavR.PictureBytes, wavR.PictureData); result = CheckAddPcmData(path, pd, true); } else { LoadErrorMessageAdd(string.Format(CultureInfo.InvariantCulture, Properties.Resources.ReadFileFailed + ": {1} : {2}{3}", "WAV", path, wavR.ErrorReason, Environment.NewLine)); } } return result; }