X-Git-Url: http://git.kpe.io/?p=wdq2wav.git;a=blobdiff_plain;f=wdq2wav.h;h=fceee293df2b9819095020e7dad1be57d33971c5;hp=1b36d5016cdd6b417fa511d5a54d62d0d6a9d7e3;hb=HEAD;hpb=390c94da79af45e21594c432e835a8b37044eed5 diff --git a/wdq2wav.h b/wdq2wav.h index 1b36d50..fceee29 100644 --- a/wdq2wav.h +++ b/wdq2wav.h @@ -8,7 +8,7 @@ ** ** Copyright (c) 2003 Kevin Rosenberg ** -** $Id: wdq2wav.h,v 1.10 2003/02/12 07:24:32 kevin Exp $ +** $Id$ ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License (version 2) as @@ -32,16 +32,17 @@ #include #include #include +#include #include #include -#ifdef WIN32 +#ifdef _WIN32 #include #include #else #include #endif -#ifdef LINUX +#ifdef __linux__ #include #if __BYTE_ORDER == __BIG_ENDIAN #define WORDS_BIG_ENDIAN 1 @@ -68,58 +69,67 @@ public: ~WindaqFile (); bool ReadHeader(); - std::string m_strFile; bool m_valid; std::string m_error; int m_fd; + bool m_bLegacy_format; + bool m_bHires; + int m_nMaxChannels; int m_nChannels; - unsigned int m_nSamples; + unsigned long int m_nSamples; double m_sample_rate; + std::string m_strFile; unsigned int m_sr_denom, m_sr_numer; unsigned short int m_nHeader_bytes, m_channel_offset, m_nBytes_channel_header; unsigned int m_nData_bytes; unsigned int m_time_acq_start; unsigned int m_time_acq_stop; + double m_time_between_channel_samples; + + bool any_packed_channels(); + bool is_channel_packed(int iChannel); }; -class WindaqChannel +class WindaqChannel { public: - bool m_valid; - unsigned int m_channel; - std::string m_units; + WindaqFile& r_wdq; + signed short int *m_data; double m_slope; double m_intercept; - signed short int *m_data; - WindaqFile& r_wdq; + unsigned int m_channel; + bool m_valid; + std::string m_units; signed short int m_min_raw_data; signed short int m_max_raw_data; double m_max_scaled_data; double m_min_scaled_data; + double m_raw_mean; WindaqChannel (WindaqFile& wdq, const int channel); ~WindaqChannel (); + double raw2measured(signed short int raw) const { return (raw * m_slope) + m_intercept; } private: bool read_channel_data(); }; -class WavFile +class WavFile { public: - std::string m_strFile; - int m_fd; bool m_valid; + signed short int* m_data; unsigned long int m_nSamples; + std::string m_strFile; + int m_fd; double m_rate; unsigned int m_nChannels; unsigned int m_nBitsPerSample; unsigned int m_nBytesPerSample; - signed short int* m_data; unsigned long int m_nHeaderBytes; - unsigned long int m_nDataBytes; - unsigned long int m_nFileBytes; + long int m_nDataBytes; + long int m_nFileBytes; WavFile (WindaqChannel& wdq_channel, const char* fname); ~WavFile (); @@ -127,7 +137,14 @@ class WavFile bool WriteFile (); bool Play(); - + private: bool fill_header(); }; + +template +inline T nearest (double x) +{ + return (x > 0 ? + static_cast(x+0.5) : static_cast(x-0.5)); +}