diff options
Diffstat (limited to 'gr-audio/lib/windows')
-rw-r--r-- | gr-audio/lib/windows/audio_windows_sink.cc | 323 | ||||
-rw-r--r-- | gr-audio/lib/windows/audio_windows_sink.h | 73 | ||||
-rw-r--r-- | gr-audio/lib/windows/audio_windows_source.cc | 205 | ||||
-rw-r--r-- | gr-audio/lib/windows/audio_windows_source.h | 57 |
4 files changed, 0 insertions, 658 deletions
diff --git a/gr-audio/lib/windows/audio_windows_sink.cc b/gr-audio/lib/windows/audio_windows_sink.cc deleted file mode 100644 index 5284ce173..000000000 --- a/gr-audio/lib/windows/audio_windows_sink.cc +++ /dev/null @@ -1,323 +0,0 @@ -/* -*- c++ -*- */ -/* -* Copyright 2004-2011 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. -*/ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "gr_audio_registry.h" -#include <audio_windows_sink.h> -#include <gr_io_signature.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> -#include <stdio.h> -#include <iostream> -#include <stdexcept> -#include <string> -#include <sstream> - -AUDIO_REGISTER_SINK(REG_PRIO_HIGH, windows)( - int sampling_rate, const std::string &device_name, bool -){ - return audio_sink::sptr(new audio_windows_sink(sampling_rate, device_name)); -} - -static const double CHUNK_TIME = 0.1; //0.001; // 100 ms - -// FIXME these should query some kind of user preference - -static std::string -default_device_name () -{ - return "WAVE_MAPPER"; -} - -audio_windows_sink::audio_windows_sink (int sampling_freq, const std::string device_name) - : gr_sync_block ("audio_windows_sink", - gr_make_io_signature (1, 2, sizeof (float)), - gr_make_io_signature (0, 0, 0)), - d_sampling_freq (sampling_freq), - d_device_name (device_name.empty ()? default_device_name () : device_name), - d_fd (-1), d_buffer (0), d_chunk_size (0) -{ - d_wave_write_event = CreateEvent (NULL, FALSE, FALSE, NULL); - if (open_waveout_device () < 0) - { - //fprintf (stderr, "audio_windows_sink:open_waveout_device() failed\n"); - perror ("audio_windows_sink:open_waveout_device( ) failed\n"); - throw - std::runtime_error ("audio_windows_sink:open_waveout_device() failed"); - } - - d_chunk_size = (int) (d_sampling_freq * CHUNK_TIME); - set_output_multiple (d_chunk_size); - - d_buffer = new short[d_chunk_size * 2]; - -} - -audio_windows_sink::~audio_windows_sink () -{ - /* Free the callback Event */ - CloseHandle (d_wave_write_event); - waveOutClose (d_h_waveout); - delete[]d_buffer; -} - -int -audio_windows_sink::work (int noutput_items, - gr_vector_const_void_star & input_items, - gr_vector_void_star & output_items) -{ - const float *f0, *f1; - bool playtestsound = false; - if (playtestsound) - { - // dummy - - f0 = (const float *) input_items[0]; - - for (int i = 0; i < noutput_items; i += d_chunk_size) - { - for (int j = 0; j < d_chunk_size; j++) - { - d_buffer[2 * j + 0] = (short) (sin (2.0 * 3.1415926535897932384626 * (float) j * 1000.0 / (float) d_sampling_freq) * 8192 + 0); //+32767 - d_buffer[2 * j + 1] = d_buffer[2 * j + 0]; - } - f0 += d_chunk_size; - if (write_waveout - ((HPSTR) d_buffer, 2 * d_chunk_size * sizeof (short)) < 0) - { - fprintf (stderr, "audio_windows_sink: write failed\n"); - perror ("audio_windows_sink: write failed"); - } - } - // break; - } - else - { - switch (input_items.size ()) - { - - case 1: // mono input - - f0 = (const float *) input_items[0]; - - for (int i = 0; i < noutput_items; i += d_chunk_size) - { - for (int j = 0; j < d_chunk_size; j++) - { - d_buffer[2 * j + 0] = (short) (f0[j] * 32767); - d_buffer[2 * j + 1] = (short) (f0[j] * 32767); - } - f0 += d_chunk_size; - if (write_waveout - ((HPSTR) d_buffer, 2 * d_chunk_size * sizeof (short)) < 0) - { - //fprintf (stderr, "audio_windows_sink: write failed\n"); - perror ("audio_windows_sink: write failed"); - } - } - break; - - case 2: // stereo input - - f0 = (const float *) input_items[0]; - f1 = (const float *) input_items[1]; - - for (int i = 0; i < noutput_items; i += d_chunk_size) - { - for (int j = 0; j < d_chunk_size; j++) - { - d_buffer[2 * j + 0] = (short) (f0[j] * 32767); - d_buffer[2 * j + 1] = (short) (f1[j] * 32767); - } - f0 += d_chunk_size; - f1 += d_chunk_size; - if (write_waveout - ((HPSTR) d_buffer, 2 * d_chunk_size * sizeof (short)) < 0) - { - //fprintf (stderr, "audio_windows_sink: write failed\n"); - perror ("audio_windows_sink: write failed"); - } - } - break; - } - } - return noutput_items; -} - -int -audio_windows_sink::string_to_int (const std::string & s) -{ - int i; - std::istringstream (s) >> i; - return i; -} //ToInt() - -int -audio_windows_sink::open_waveout_device (void) -{ - - UINT /*UINT_PTR */ u_device_id; - /** Identifier of the waveform-audio output device to open. It can be either a device identifier or a handle of an open waveform-audio input device. You can use the following flag instead of a device identifier. - * - * Value Meaning - * WAVE_MAPPER The function selects a waveform-audio output device capable of playing the given format. - */ - if (d_device_name.empty () || default_device_name () == d_device_name) - u_device_id = WAVE_MAPPER; - else - u_device_id = (UINT) string_to_int (d_device_name); - // Open a waveform device for output using event callback. - - unsigned long result; - //HWAVEOUT outHandle; - WAVEFORMATEX wave_format; - - /* Initialize the WAVEFORMATEX for 16-bit, 44KHz, stereo */ - wave_format.wFormatTag = WAVE_FORMAT_PCM; - wave_format.nChannels = 2; - wave_format.nSamplesPerSec = d_sampling_freq; //44100; - wave_format.wBitsPerSample = 16; - wave_format.nBlockAlign = - wave_format.nChannels * (wave_format.wBitsPerSample / 8); - wave_format.nAvgBytesPerSec = - wave_format.nSamplesPerSec * wave_format.nBlockAlign; - wave_format.cbSize = 0; - - /* Open the (preferred) Digital Audio Out device. */ - result = waveOutOpen (&d_h_waveout, WAVE_MAPPER, &wave_format, (DWORD_PTR) d_wave_write_event, 0, CALLBACK_EVENT | WAVE_ALLOWSYNC); //|WAVE_FORMAT_DIRECT | CALLBACK_EVENT| WAVE_ALLOWSYNC - if (result) - { - fprintf (stderr, - "audio_windows_sink: Failed to open waveform output device.\n"); - perror ("audio_windows_sink: Failed to open waveform output device."); - //LocalUnlock(hFormat); - //LocalFree(hFormat); - //mmioClose(hmmio, 0); - return -1; - } - - // - // Do not Swallow the "open" event. - // - //WaitForSingleObject(d_wave_write_event, INFINITE); - - // Allocate and lock memory for the header. - - d_h_wave_hdr = GlobalAlloc (GMEM_MOVEABLE | GMEM_SHARE, - (DWORD) sizeof (WAVEHDR)); - if (d_h_wave_hdr == NULL) - { - //GlobalUnlock(hData); - //GlobalFree(hData); - //fprintf (stderr, "audio_windows_sink: Not enough memory for header.\n"); - perror ("audio_windows_sink: Not enough memory for header."); - return -1; - } - - d_lp_wave_hdr = (LPWAVEHDR) GlobalLock (d_h_wave_hdr); - if (d_lp_wave_hdr == NULL) - { - //GlobalUnlock(hData); - //GlobalFree(hData); - //fprintf (stderr, "audio_windows_sink: Failed to lock memory for header.\n"); - perror ("audio_windows_sink: Failed to lock memory for header."); - return -1; - } - //d_lp_wave_hdr->dwFlags = WHDR_DONE; - return 0; -} - -int -audio_windows_sink::write_waveout (HPSTR lp_data, DWORD dw_data_size) -{ - UINT w_result; - int teller = 100; - // After allocation, set up and prepare header. - /*while ((d_lp_wave_hdr->dwFlags & WHDR_DONE)==0 && teller>0) - { - teller--; - Sleep(1); - } */ - // Wait until previous wave write completes (first event is the open event). - WaitForSingleObject (d_wave_write_event, 100); //INFINITE - d_lp_wave_hdr->lpData = lp_data; - d_lp_wave_hdr->dwBufferLength = dw_data_size; - d_lp_wave_hdr->dwFlags = 0L; - /* Clear the WHDR_DONE bit (which the driver set last time that - this WAVEHDR was sent via waveOutWrite and was played). Some - drivers need this to be cleared */ - //d_lp_wave_hdr->dwFlags &= ~WHDR_DONE; - - d_lp_wave_hdr->dwLoops = 0L; - w_result = - waveOutPrepareHeader (d_h_waveout, d_lp_wave_hdr, sizeof (WAVEHDR)); - if (w_result != 0) - { - //GlobalUnlock( hData); - //GlobalFree(hData); - //fprintf (stderr, "audio_windows_sink: Failed to waveOutPrepareHeader. error %i\n",w_result); - perror ("audio_windows_sink: Failed to waveOutPrepareHeader"); - } - // Now the data block can be sent to the output device. The - // waveOutWrite function returns immediately and waveform - // data is sent to the output device in the background. - //while (! readyforplayback) Sleep(1); - //readyforplayback=false; - // - // - - w_result = waveOutWrite (d_h_waveout, d_lp_wave_hdr, sizeof (WAVEHDR)); - if (w_result != 0) - { - //GlobalUnlock( hData); - //GlobalFree(hData); - //fprintf (stderr, "audio_windows_sink: Failed to write block to device.error %i\n",w_result); - perror ("audio_windows_sink: Failed to write block to device"); - switch (w_result) - { - case MMSYSERR_INVALHANDLE: - fprintf (stderr, "Specified device handle is invalid. \n"); - break; - case MMSYSERR_NODRIVER: - fprintf (stderr, " No device driver is present. \n"); - break; - case MMSYSERR_NOMEM: - fprintf (stderr, " Unable to allocate or lock memory. \n"); - break; - case WAVERR_UNPREPARED: - fprintf (stderr, - " The data block pointed to by the pwh parameter hasn't been prepared. \n"); - break; - default: - fprintf (stderr, "Unknown error %i\n", w_result); - } - waveOutUnprepareHeader (d_h_waveout, d_lp_wave_hdr, sizeof (WAVEHDR)); - return -1; - } - // WaitForSingleObject(d_wave_write_event, INFINITE); - return 0; -} diff --git a/gr-audio/lib/windows/audio_windows_sink.h b/gr-audio/lib/windows/audio_windows_sink.h deleted file mode 100644 index d4ca259b3..000000000 --- a/gr-audio/lib/windows/audio_windows_sink.h +++ /dev/null @@ -1,73 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2004-2011 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_WINDOWS_SINK_H -#define INCLUDED_AUDIO_WINDOWS_SINK_H - -#define WIN32_LEAN_AND_MEAN -#define NOMINMAX // stops windef.h defining max/min under cygwin - -#include <windows.h> -#include <mmsystem.h> - -#include <gr_audio_sink.h> -#include <string> - -/*! - * \brief audio sink using winmm mmsystem (win32 only) - * \ingroup audio_blk - * - * input signature is one or two streams of floats. - * Input samples must be in the range [-1,1]. - */ - -class audio_windows_sink : public audio_sink -{ - int d_sampling_freq; - std::string d_device_name; - int d_fd; - short *d_buffer; - int d_chunk_size; - HWAVEOUT d_h_waveout; - HGLOBAL d_h_wave_hdr; - LPWAVEHDR d_lp_wave_hdr; - HANDLE d_wave_write_event; - -protected: - int - string_to_int (const std::string & s); - int - open_waveout_device (void); - int - write_waveout (HPSTR lp_data, DWORD dw_data_size); - -public: - audio_windows_sink (int sampling_freq, const std::string device_name = ""); - ~audio_windows_sink (); - - int - work (int noutput_items, - gr_vector_const_void_star & input_items, - gr_vector_void_star & output_items); -}; - -#endif /* INCLUDED_AUDIO_WINDOWS_SINK_H */ diff --git a/gr-audio/lib/windows/audio_windows_source.cc b/gr-audio/lib/windows/audio_windows_source.cc deleted file mode 100644 index 75b0a33bb..000000000 --- a/gr-audio/lib/windows/audio_windows_source.cc +++ /dev/null @@ -1,205 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2004-2011 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. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "gr_audio_registry.h" -#include <audio_windows_source.h> -#include <gr_io_signature.h> -//include <sys/soundcard.h> -//include <sys/ioctl.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> -#include <stdio.h> -#include <iostream> -#include <stdexcept> - -AUDIO_REGISTER_SOURCE(REG_PRIO_HIGH, windows)( - int sampling_rate, const std::string &device_name, bool -){ - return audio_source::sptr(new audio_windows_source(sampling_rate, device_name)); -} - -static const double CHUNK_TIME = 0.005; // 5 ms - -// FIXME these should query some kind of user preference - -static std::string -default_device_name () -{ - return "/dev/dsp"; -} - -audio_windows_source::audio_windows_source (int sampling_freq, const std::string device_name) - : gr_sync_block ("audio_windows_source", - gr_make_io_signature (0, 0, 0), - gr_make_io_signature (1, 2, sizeof (float))), - d_sampling_freq (sampling_freq), - d_device_name (device_name.empty ()? default_device_name () : device_name), - d_fd (-1), d_buffer (0), d_chunk_size (0) -{ - //FIXME TODO implement me -#if 0 - if ((d_fd = open (d_device_name.c_str (), O_RDONLY)) < 0) - { - fprintf (stderr, "audio_windows_source: "); - perror (d_device_name.c_str ()); - throw - std::runtime_error ("audio_windows_source"); - } - - d_chunk_size = (int) (d_sampling_freq * CHUNK_TIME); - set_output_multiple (d_chunk_size); - - d_buffer = new short[d_chunk_size * 2]; - - int format = AFMT_S16_NE; - int orig_format = format; - if (ioctl (d_fd, SNDCTL_DSP_SETFMT, &format) < 0) - { - std:: - cerr << "audio_windows_source: " << d_device_name << - " ioctl failed\n"; - perror (d_device_name.c_str ()); - throw - std::runtime_error ("audio_windows_source"); - } - - if (format != orig_format) - { - fprintf (stderr, "audio_windows_source: unable to support format %d\n", - orig_format); - fprintf (stderr, " card requested %d instead.\n", format); - } - - // set to stereo no matter what. Some hardware only does stereo - int channels = 2; - if (ioctl (d_fd, SNDCTL_DSP_CHANNELS, &channels) < 0 || channels != 2) - { - perror ("audio_windows_source: could not set STEREO mode"); - throw - std::runtime_error ("audio_windows_source"); - } - - // set sampling freq - int sf = sampling_freq; - if (ioctl (d_fd, SNDCTL_DSP_SPEED, &sf) < 0) - { - std::cerr << "audio_windows_source: " - << d_device_name << ": invalid sampling_freq " - << sampling_freq << "\n"; - sampling_freq = 8000; - if (ioctl (d_fd, SNDCTL_DSP_SPEED, &sf) < 0) - { - std:: - cerr << - "audio_windows_source: failed to set sampling_freq to 8000\n"; - throw - std::runtime_error ("audio_windows_source"); - } - } -#endif -} - -audio_windows_source::~audio_windows_source () -{ - /*close (d_fd); - delete [] d_buffer; - */ -} - -int -audio_windows_source::work (int noutput_items, - gr_vector_const_void_star & input_items, - gr_vector_void_star & output_items) -{ - //FIXME TODO implement me -#if 0 - float *f0 = (float *) output_items[0]; - float *f1 = (float *) output_items[1]; // will be invalid if this is mono output - - const int shorts_per_item = 2; // L + R - const int bytes_per_item = shorts_per_item * sizeof (short); - - // To minimize latency, never return more than CHUNK_TIME - // worth of samples per call to work. - // FIXME, we need an API to set this value - - noutput_items = std::min (noutput_items, d_chunk_size); - - int base = 0; - int ntogo = noutput_items; - - while (ntogo > 0) - { - int nbytes = std::min (ntogo, d_chunk_size) * bytes_per_item; - int result_nbytes = read (d_fd, d_buffer, nbytes); - - if (result_nbytes < 0) - { - perror ("audio_windows_source"); - return -1; // say we're done - } - - if ((result_nbytes & (bytes_per_item - 1)) != 0) - { - fprintf (stderr, "audio_windows_source: internal error.\n"); - throw std::runtime_error ("internal error"); - } - - int result_nitems = result_nbytes / bytes_per_item; - - // now unpack samples into output streams - - switch (output_items.size ()) - { - case 1: // mono output - for (int i = 0; i < result_nitems; i++) - { - f0[base + i] = d_buffer[2 * i + 0] * (1.0 / 32767); - } - break; - - case 2: // stereo output - for (int i = 0; i < result_nitems; i++) - { - f0[base + i] = d_buffer[2 * i + 0] * (1.0 / 32767); - f1[base + i] = d_buffer[2 * i + 1] * (1.0 / 32767); - } - break; - - default: - assert (0); - } - - ntogo -= result_nitems; - base += result_nitems; - } - - return noutput_items - ntogo; -#endif - return -1; // EOF -} diff --git a/gr-audio/lib/windows/audio_windows_source.h b/gr-audio/lib/windows/audio_windows_source.h deleted file mode 100644 index 9cb789576..000000000 --- a/gr-audio/lib/windows/audio_windows_source.h +++ /dev/null @@ -1,57 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2004-2011 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_WINDOWS_SOURCE_H -#define INCLUDED_AUDIO_WINDOWS_SOURCE_H - -#include <gr_audio_source.h> -#include <string> - -/*! - * \brief audio source using winmm mmsystem (win32 only) - * \ingroup audio_blk - * - * Output signature is one or two streams of floats. - * Output samples will be in the range [-1,1]. - */ - -class audio_windows_source : public audio_source -{ - - int d_sampling_freq; - std::string d_device_name; - int d_fd; - short *d_buffer; - int d_chunk_size; - -public: - audio_windows_source (int sampling_freq, const std::string device_name = ""); - - ~audio_windows_source (); - - int - work (int noutput_items, - gr_vector_const_void_star & input_items, - gr_vector_void_star & output_items); -}; - -#endif /* INCLUDED_AUDIO_WINDOWS_SOURCE_H */ |