GNU Radio 3.6.5 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2004-2011 Free Software Foundation, Inc. 00004 * 00005 * This file is part of GNU Radio 00006 * 00007 * GNU Radio is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 3, or (at your option) 00010 * any later version. 00011 * 00012 * GNU Radio is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with GNU Radio; see the file COPYING. If not, write to 00019 * the Free Software Foundation, Inc., 51 Franklin Street, 00020 * Boston, MA 02110-1301, USA. 00021 */ 00022 00023 #ifndef INCLUDED_AUDIO_WINDOWS_SOURCE_H 00024 #define INCLUDED_AUDIO_WINDOWS_SOURCE_H 00025 00026 #include <gr_audio_source.h> 00027 #include <string> 00028 00029 /*! 00030 * \brief audio source using winmm mmsystem (win32 only) 00031 * \ingroup audio_blk 00032 * 00033 * Output signature is one or two streams of floats. 00034 * Output samples will be in the range [-1,1]. 00035 */ 00036 00037 class audio_windows_source : public audio_source 00038 { 00039 00040 int d_sampling_freq; 00041 std::string d_device_name; 00042 int d_fd; 00043 short *d_buffer; 00044 int d_chunk_size; 00045 00046 public: 00047 audio_windows_source (int sampling_freq, const std::string device_name = ""); 00048 00049 ~audio_windows_source (); 00050 00051 int 00052 work (int noutput_items, 00053 gr_vector_const_void_star & input_items, 00054 gr_vector_void_star & output_items); 00055 }; 00056 00057 #endif /* INCLUDED_AUDIO_WINDOWS_SOURCE_H */