diff options
Diffstat (limited to 'gr-audio/lib/portaudio/audio_portaudio_source.h')
| -rw-r--r-- | gr-audio/lib/portaudio/audio_portaudio_source.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/gr-audio/lib/portaudio/audio_portaudio_source.h b/gr-audio/lib/portaudio/audio_portaudio_source.h deleted file mode 100644 index 67a83f1fe5..0000000000 --- a/gr-audio/lib/portaudio/audio_portaudio_source.h +++ /dev/null @@ -1,84 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2006-2011,2013 Free Software Foundation, Inc. - * - * This file is part of GNU Radio - * - * GNU Radio is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3, or (at your option) - * any later version. - * - * GNU Radio is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GNU Radio; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, - * Boston, MA 02110-1301, USA. - */ -#ifndef INCLUDED_AUDIO_PORTAUDIO_SOURCE_H -#define INCLUDED_AUDIO_PORTAUDIO_SOURCE_H - -#include <audio/source.h> -#include <gr_buffer.h> -#include <gruel/thread.h> -#include <string> -#include <portaudio.h> -#include <stdexcept> - -PaStreamCallback portaudio_source_callback; - - -/*! - * \brief Audio source using PORTAUDIO - * \ingroup audio_blk - * - * Input samples must be in the range [-1,1]. - */ -class audio_portaudio_source : public audio_source { - - friend PaStreamCallback portaudio_source_callback; - - - unsigned int d_sampling_rate; - std::string d_device_name; - bool d_ok_to_block; - bool d_verbose; - - unsigned int d_portaudio_buffer_size_frames; // number of frames in a portaudio buffer - - PaStream *d_stream; - PaStreamParameters d_input_parameters; - - gr_buffer_sptr d_writer; // buffer used between work and callback - gr_buffer_reader_sptr d_reader; - - gruel::mutex d_ringbuffer_mutex; - gruel::condition_variable d_ringbuffer_cond; - bool d_ringbuffer_ready; - - // random stats - int d_noverruns; // count of overruns - - void output_error_msg (const char *msg, int err); - void bail (const char *msg, int err) throw (std::runtime_error); - void create_ringbuffer(); - - -public: - audio_portaudio_source (int sampling_rate, const std::string device_name, - bool ok_to_block); - - ~audio_portaudio_source (); - - bool check_topology (int ninputs, int noutputs); - - int work (int ninput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items); -}; - -#endif /* INCLUDED_AUDIO_PORTAUDIO_SOURCE_H */ |