00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2004 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_sync_block.h> 00027 #include <string> 00028 00029 00030 class audio_windows_source; 00031 typedef boost::shared_ptr <audio_windows_source> audio_windows_source_sptr; 00032 00033 audio_windows_source_sptr 00034 audio_windows_make_source (int sampling_freq, const std::string dev = ""); 00035 00043 class audio_windows_source : public gr_sync_block 00044 { 00045 friend 00046 audio_windows_source_sptr 00047 audio_windows_make_source (int sampling_freq, 00048 const std::string device_name); 00049 00050 int d_sampling_freq; 00051 std::string d_device_name; 00052 int d_fd; 00053 short *d_buffer; 00054 int d_chunk_size; 00055 00056 protected: 00057 audio_windows_source (int sampling_freq, const std::string device_name = ""); 00058 00059 public: 00060 ~audio_windows_source (); 00061 00062 int 00063 work (int noutput_items, 00064 gr_vector_const_void_star & input_items, 00065 gr_vector_void_star & output_items); 00066 }; 00067 00068 #endif /* INCLUDED_AUDIO_WINDOWS_SOURCE_H */