diff options
Diffstat (limited to 'gnuradio-core/src/lib/general/gr_throttle.h')
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_throttle.h | 33 |
1 files changed, 7 insertions, 26 deletions
diff --git a/gnuradio-core/src/lib/general/gr_throttle.h b/gnuradio-core/src/lib/general/gr_throttle.h index a1c9773c9..a82821f77 100644 --- a/gnuradio-core/src/lib/general/gr_throttle.h +++ b/gnuradio-core/src/lib/general/gr_throttle.h @@ -1,6 +1,6 @@ /* -*- c++ -*- */ /* - * Copyright 2005 Free Software Foundation, Inc. + * Copyright 2005-2011 Free Software Foundation, Inc. * * This file is part of GNU Radio * @@ -23,15 +23,6 @@ #define INCLUDED_GR_THROTTLE_H #include <gr_sync_block.h> -#ifdef HAVE_SYS_TIME_H -#include <sys/time.h> -#endif - -class gr_throttle; -typedef boost::shared_ptr<gr_throttle> gr_throttle_sptr; - - -gr_throttle_sptr gr_make_throttle(size_t itemsize, double samples_per_sec); /*! * \brief throttle flow of samples such that the average rate does not exceed samples_per_sec. @@ -44,25 +35,15 @@ gr_throttle_sptr gr_make_throttle(size_t itemsize, double samples_per_sec); * controlling the rate of samples. That should be controlled by a * source or sink tied to sample clock. E.g., a USRP or audio card. */ -class gr_throttle : public gr_sync_block +class gr_throttle : virtual public gr_sync_block { - friend gr_throttle_sptr gr_make_throttle(size_t itemsize, double samples_per_sec); - size_t d_itemsize; - double d_samples_per_sec; - double d_total_samples; -#ifdef HAVE_SYS_TIME_H - struct timeval d_start; -#endif - - gr_throttle(size_t itemsize, double samples_per_sec); - public: - ~gr_throttle(); + typedef boost::shared_ptr<gr_throttle> sptr; - int work (int noutput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items); + //! Sets the sample rate in samples per second + virtual void set_sample_rate(double rate) = 0; }; - + +gr_throttle::sptr gr_make_throttle(size_t itemsize, double samples_per_sec); #endif /* INCLUDED_GR_THROTTLE_H */ |