NAME = libcodec2
AM_CPPFLAGS = $(AM_CFLAGS)
-noinst_PROGRAMS = genres genlsp extract vqtrain vqtrainjnd tnlp tinterp tquant vq_train_jvm scalarlsptest tfdmdv t48_8 lspsync create_interleaver tlspsens pa_rec pa_play pa_recplay
+noinst_PROGRAMS = genres genlsp extract vqtrain vqtrainjnd tnlp tinterp tquant vq_train_jvm scalarlsptest tfdmdv t48_8 lspsync create_interleaver tlspsens
genres_SOURCES = genres.c ../src/lpc.c
genres_LDADD = $(lib_LTLIBRARIES)
tlspsens_LDADD = $(lib_LTLIBRARIES)
tlspsens_LDFLAGS = $(LIBS)
-pa_rec_SOURCES = pa_rec.c ../src/fdmdv.c ../src/kiss_fft.c
-pa_rec_LDADD = $(lib_LTLIBRARIES) -lportaudio
-pa_rec_LDFLAGS = $(LIBS)
-
-pa_play_SOURCES = pa_play.c ../src/fdmdv.c ../src/kiss_fft.c
-pa_play_LDADD = $(lib_LTLIBRARIES) -lportaudio
-pa_play_LDFLAGS = $(LIBS)
-
-pa_recplay_SOURCES = pa_recplay.c ../src/fdmdv.c ../src/kiss_fft.c
-pa_recplay_LDADD = $(lib_LTLIBRARIES) -lportaudio
-pa_recplay_LDFLAGS = $(LIBS)
-
vqtrain$(EXEEXT) vqtrainjnd$(EXEEXT) tnlp$(EXEEXT) \
tinterp$(EXEEXT) tquant$(EXEEXT) vq_train_jvm$(EXEEXT) \
scalarlsptest$(EXEEXT) tfdmdv$(EXEEXT) t48_8$(EXEEXT) \
- lspsync$(EXEEXT) create_interleaver$(EXEEXT) tlspsens$(EXEEXT) \
- pa_rec$(EXEEXT) pa_play$(EXEEXT) pa_recplay$(EXEEXT)
+ lspsync$(EXEEXT) create_interleaver$(EXEEXT) tlspsens$(EXEEXT)
subdir = unittest
DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
pack.$(OBJEXT) $(am__objects_1)
lspsync_OBJECTS = $(am_lspsync_OBJECTS)
lspsync_DEPENDENCIES =
-am_pa_play_OBJECTS = pa_play.$(OBJEXT) fdmdv.$(OBJEXT) \
- kiss_fft.$(OBJEXT)
-pa_play_OBJECTS = $(am_pa_play_OBJECTS)
-pa_play_DEPENDENCIES =
-am_pa_rec_OBJECTS = pa_rec.$(OBJEXT) fdmdv.$(OBJEXT) \
- kiss_fft.$(OBJEXT)
-pa_rec_OBJECTS = $(am_pa_rec_OBJECTS)
-pa_rec_DEPENDENCIES =
-am_pa_recplay_OBJECTS = pa_recplay.$(OBJEXT) fdmdv.$(OBJEXT) \
- kiss_fft.$(OBJEXT)
-pa_recplay_OBJECTS = $(am_pa_recplay_OBJECTS)
-pa_recplay_DEPENDENCIES =
am_scalarlsptest_OBJECTS = scalarlsptest.$(OBJEXT) quantise.$(OBJEXT) \
lpc.$(OBJEXT) lsp.$(OBJEXT) dump.$(OBJEXT) kiss_fft.$(OBJEXT) \
$(am__objects_1)
$(AM_LDFLAGS) $(LDFLAGS) -o $@
SOURCES = $(create_interleaver_SOURCES) $(extract_SOURCES) \
$(genlsp_SOURCES) $(genres_SOURCES) $(lspsync_SOURCES) \
- $(pa_play_SOURCES) $(pa_rec_SOURCES) $(pa_recplay_SOURCES) \
$(scalarlsptest_SOURCES) $(t48_8_SOURCES) $(tfdmdv_SOURCES) \
$(tinterp_SOURCES) $(tlspsens_SOURCES) $(tnlp_SOURCES) \
$(tquant_SOURCES) $(vq_train_jvm_SOURCES) $(vqtrain_SOURCES) \
$(vqtrainjnd_SOURCES)
DIST_SOURCES = $(create_interleaver_SOURCES) $(extract_SOURCES) \
$(genlsp_SOURCES) $(genres_SOURCES) $(lspsync_SOURCES) \
- $(pa_play_SOURCES) $(pa_rec_SOURCES) $(pa_recplay_SOURCES) \
$(scalarlsptest_SOURCES) $(t48_8_SOURCES) $(tfdmdv_SOURCES) \
$(tinterp_SOURCES) $(tlspsens_SOURCES) $(tnlp_SOURCES) \
$(tquant_SOURCES) $(vq_train_jvm_SOURCES) $(vqtrain_SOURCES) \
tlspsens_SOURCES = tlspsens.c ../src/quantise.c ../src/lpc.c ../src/lsp.c ../src/dump.c ../src/kiss_fft.c ../src/codec2.c ../src/sine.c ../src/nlp.c ../src/pack.c ../src/interp.c ../src/postfilter.c ../src/phase.c $(CODEBOOKS)
tlspsens_LDADD = $(lib_LTLIBRARIES)
tlspsens_LDFLAGS = $(LIBS)
-pa_rec_SOURCES = pa_rec.c ../src/fdmdv.c ../src/kiss_fft.c
-pa_rec_LDADD = $(lib_LTLIBRARIES) -lportaudio
-pa_rec_LDFLAGS = $(LIBS)
-pa_play_SOURCES = pa_play.c ../src/fdmdv.c ../src/kiss_fft.c
-pa_play_LDADD = $(lib_LTLIBRARIES) -lportaudio
-pa_play_LDFLAGS = $(LIBS)
-pa_recplay_SOURCES = pa_recplay.c ../src/fdmdv.c ../src/kiss_fft.c
-pa_recplay_LDADD = $(lib_LTLIBRARIES) -lportaudio
-pa_recplay_LDFLAGS = $(LIBS)
all: all-am
.SUFFIXES:
lspsync$(EXEEXT): $(lspsync_OBJECTS) $(lspsync_DEPENDENCIES)
@rm -f lspsync$(EXEEXT)
$(LINK) $(lspsync_LDFLAGS) $(lspsync_OBJECTS) $(lspsync_LDADD) $(LIBS)
-pa_play$(EXEEXT): $(pa_play_OBJECTS) $(pa_play_DEPENDENCIES)
- @rm -f pa_play$(EXEEXT)
- $(LINK) $(pa_play_LDFLAGS) $(pa_play_OBJECTS) $(pa_play_LDADD) $(LIBS)
-pa_rec$(EXEEXT): $(pa_rec_OBJECTS) $(pa_rec_DEPENDENCIES)
- @rm -f pa_rec$(EXEEXT)
- $(LINK) $(pa_rec_LDFLAGS) $(pa_rec_OBJECTS) $(pa_rec_LDADD) $(LIBS)
-pa_recplay$(EXEEXT): $(pa_recplay_OBJECTS) $(pa_recplay_DEPENDENCIES)
- @rm -f pa_recplay$(EXEEXT)
- $(LINK) $(pa_recplay_LDFLAGS) $(pa_recplay_OBJECTS) $(pa_recplay_LDADD) $(LIBS)
scalarlsptest$(EXEEXT): $(scalarlsptest_OBJECTS) $(scalarlsptest_DEPENDENCIES)
@rm -f scalarlsptest$(EXEEXT)
$(LINK) $(scalarlsptest_LDFLAGS) $(scalarlsptest_OBJECTS) $(scalarlsptest_LDADD) $(LIBS)
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/lspsync.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/nlp.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/octave.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pa_play.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pa_rec.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pa_recplay.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pack.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/phase.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/postfilter.Po@am__quote@
+++ /dev/null
-/*
- pa_play.c
- David Rowe
- July 8 2012
-
- Converts samples from a 16 bit short 8000 Hz rawfile to 480000Hz
- sample rate and plays them using the default sound device. Used as
- an intermediate step in Portaudio integration.
-
- Modified from paex_record.c Portaudio example. Original author
- author Phil Burk http://www.softsynth.com
-*/
-
-/*
- * $Id: paex_record.c 1752 2011-09-08 03:21:55Z philburk $
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include "portaudio.h"
-#include "fdmdv.h"
-
-#define SAMPLE_RATE 48000 /* 48 kHz sampling rate rec. as we
- can trust accuracy of sound
- card */
-#define N8 160 /* processing buffer size at 8 kHz */
-#define N48 (N8*FDMDV_OS) /* processing buffer size at 48 kHz */
-#define MEM8 (FDMDV_OS_TAPS/FDMDV_OS)
-#define NUM_CHANNELS 2 /* I think most sound cards prefer
- stereo, we will convert to mono
- as we sample */
-
-/* state information passed to call back */
-
-typedef struct {
- FILE *fin;
- float in8k[MEM8 + N8];
-} paTestData;
-
-
-/*
- This routine will be called by the PortAudio engine when audio is
- required. It may be called at interrupt level on some machines so
- don't do anything that could mess up the system like calling
- malloc() or free().
-*/
-
-static int playCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- FILE *fin = data->fin;
- int i, nread;
- int finished;
- short *wptr = (short*)outputBuffer;
- float *in8k = data->in8k;
- float out48k[N48];
- short out48k_short[N48];
- short in8k_short[N8];
-
- (void) outputBuffer; /* Prevent unused variable warnings. */
- (void) timeInfo;
- (void) statusFlags;
- (void) userData;
-
- /* note Portaudio docs recs. against making systems calls like
- fwrite() in this callback but seems to work OK */
-
- nread = fread(in8k_short, sizeof(short), N8, fin);
- if (nread == N8)
- finished = paContinue;
- else
- finished = paComplete;
-
- for(i=0; i<N8; i++)
- in8k[MEM8+i] = in8k_short[i];
-
- /* upsample and update filter memory */
-
- fdmdv_8_to_48(out48k, &in8k[MEM8], N8);
- for(i=0; i<MEM8; i++)
- in8k[i] = in8k[i+N8];
-
- assert(outputBuffer != NULL);
-
- /* write signal to both channels */
-
- for(i=0; i<N48; i++)
- out48k_short[i] = (short)out48k[i];
- for(i=0; i<framesPerBuffer; i++,wptr+=2) {
- wptr[0] = out48k_short[i];
- wptr[1] = out48k_short[i];
- }
-
- return finished;
-}
-
-int main(int argc, char *argv[])
-{
- PaStreamParameters outputParameters;
- PaStream* stream;
- PaError err = paNoError;
- paTestData data;
- int i;
-
- if (argc != 2) {
- printf("usage: %s rawFile\n", argv[0]);
- exit(0);
- }
-
- data.fin = fopen(argv[1], "rt");
- if (data.fin == NULL) {
- printf("Error opening input raw file %s\n", argv[1]);
- exit(1);
- }
-
- for(i=0; i<MEM8; i++)
- data.in8k[i] = 0.0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto done;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default input device */
- if (outputParameters.device == paNoDevice) {
- fprintf(stderr,"Error: No default output device.\n");
- goto done;
- }
- outputParameters.channelCount = NUM_CHANNELS; /* stereo input */
- outputParameters.sampleFormat = paInt16;
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- /* Play some audio --------------------------------------------- */
-
- err = Pa_OpenStream(
- &stream,
- NULL,
- &outputParameters,
- SAMPLE_RATE,
- N48,
- paClipOff,
- playCallback,
- &data );
- if( err != paNoError ) goto done;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto done;
-
- while( ( err = Pa_IsStreamActive( stream ) ) == 1 )
- {
- Pa_Sleep(100);
- }
- if( err < 0 ) goto done;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto done;
-
- fclose(data.fin);
-
-
-done:
- Pa_Terminate();
- if( err != paNoError )
- {
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- err = 1; /* Always return 0 or 1, but no other return codes. */
- }
- return err;
-}
-
+++ /dev/null
-/*
- pa_rec.c
- David Rowe
- July 6 2012
-
- Records at 48000 Hz from default sound device, convertes to 8 kHz,
- and saves to raw file. Used to get experience with Portaudio.
-
- Modified from paex_record.c Portaudio example. Original author
- author Phil Burk http://www.softsynth.com
-
- To Build:
-
- gcc paex_rec.c -o paex_rec -lm -lrt -lportaudio -pthread
-*/
-
-/*
- * $Id: paex_record.c 1752 2011-09-08 03:21:55Z philburk $
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include "portaudio.h"
-#include "fdmdv.h"
-
-#define SAMPLE_RATE 48000 /* 48 kHz sampling rate rec. as we
- can trust accuracy of sound
- card */
-#define N8 160 /* processing buffer size at 8 kHz */
-#define N48 (N8*FDMDV_OS) /* processing buffer size at 48 kHz */
-#define NUM_CHANNELS 2 /* I think most sound cards prefer
- stereo, we will convert to mono
- as we sample */
-
-/* state information passed to call back */
-
-typedef struct {
- FILE *fout;
- int framesLeft;
- float in48k[FDMDV_OS_TAPS + N48];
-} paTestData;
-
-
-/*
- This routine will be called by the PortAudio engine when audio is
- available. It may be called at interrupt level on some machines so
- don't do anything that could mess up the system like calling
- malloc() or free().
-*/
-
-static int recordCallback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- FILE *fout = data->fout;
- int framesToCopy;
- int i, n8;
- int finished;
- short *rptr = (short*)inputBuffer;
- float out8k[N8];
- short out8k_short[N8];
-
- (void) outputBuffer; /* Prevent unused variable warnings. */
- (void) timeInfo;
- (void) statusFlags;
- (void) userData;
-
- if (data->framesLeft < framesPerBuffer) {
- framesToCopy = data->framesLeft;
- finished = paComplete;
- }
- else {
- framesToCopy = framesPerBuffer;
- finished = paContinue;
- }
- data->framesLeft -= framesToCopy;
-
- assert(inputBuffer != NULL);
-
- /* just use left channel */
-
- for(i=0; i<framesToCopy; i++,rptr+=2)
- data->in48k[i+FDMDV_OS_TAPS] = *rptr;
-
- /* downsample and update filter memory */
-
- fdmdv_48_to_8(out8k, &data->in48k[FDMDV_OS_TAPS], N8);
- for(i=0; i<FDMDV_OS_TAPS; i++)
- data->in48k[i] = data->in48k[i+framesToCopy];
-
- /* save 8k to disk */
-
- for(i=0; i<N8; i++)
- out8k_short[i] = (short)out8k[i];
-
- /* note Portaudio docs recs. against making systems calls like
- fwrite() in this callback but seems to work OK */
-
- fwrite(out8k_short, sizeof(short), N8, fout);
-
- return finished;
-}
-
-int main(int argc, char *argv[])
-{
- PaStreamParameters inputParameters,
- outputParameters;
- PaStream* stream;
- PaError err = paNoError;
- paTestData data;
- int i;
- int numSecs;
-
- if (argc != 3) {
- printf("usage: %s rawFile time(s)\n", argv[0]);
- exit(0);
- }
-
- data.fout = fopen(argv[1], "wt");
- if (data.fout == NULL) {
- printf("Error opening output raw file %s\n", argv[1]);
- exit(1);
- }
-
- numSecs = atoi(argv[2]);
- data.framesLeft = numSecs * SAMPLE_RATE;
-
- for(i=0; i<FDMDV_OS_TAPS; i++)
- data.in48k[i] = 0.0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto done;
-
- inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
- if (inputParameters.device == paNoDevice) {
- fprintf(stderr,"Error: No default input device.\n");
- goto done;
- }
- inputParameters.channelCount = NUM_CHANNELS; /* stereo input */
- inputParameters.sampleFormat = paInt16;
- inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
- inputParameters.hostApiSpecificStreamInfo = NULL;
-
- /* Record some audio --------------------------------------------- */
-
- err = Pa_OpenStream(
- &stream,
- &inputParameters,
- NULL, /* &outputParameters, */
- SAMPLE_RATE,
- N48,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- recordCallback,
- &data );
- if( err != paNoError ) goto done;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto done;
-
- while( ( err = Pa_IsStreamActive( stream ) ) == 1 )
- {
- Pa_Sleep(100);
- }
- if( err < 0 ) goto done;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto done;
-
- fclose(data.fout);
-
-
-done:
- Pa_Terminate();
- if( err != paNoError )
- {
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- err = 1; /* Always return 0 or 1, but no other return codes. */
- }
- return err;
-}
-
+++ /dev/null
-/*
- pa_recplay.c
- David Rowe
- July 8 2012
-
- Echos audio from sound card input to sound card output. Samples at
- 48 kHz, converts to 8 kHz, converts back to 48kHz, and plays using
- the default sound device. Used as an intermediate step in
- Portaudio integration.
-
- Modified from paex_record.c Portaudio example. Original author
- author Phil Burk http://www.softsynth.com
-*/
-
-/*
- * $Id: paex_record.c 1752 2011-09-08 03:21:55Z philburk $
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2000 Ross Bencina and Phil Burk
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include "portaudio.h"
-#include "fdmdv.h"
-
-#define SAMPLE_RATE 48000 /* 48 kHz sampling rate rec. as we
- can trust accuracy of sound
- card */
-#define N8 160 /* processing buffer size at 8 kHz */
-#define N48 (N8*FDMDV_OS) /* processing buffer size at 48 kHz */
-#define MEM8 (FDMDV_OS_TAPS/FDMDV_OS)
-#define NUM_CHANNELS 2 /* I think most sound cards prefer
- stereo, we will convert to mono
- as we sample */
-
-/* state information passed to call back */
-
-typedef struct {
- float in48k[FDMDV_OS_TAPS + N48];
- float in8k[MEM8 + N8];
-} paTestData;
-
-
-/*
- This routine will be called by the PortAudio engine when audio is
- required. It may be called at interrupt level on some machines so
- don't do anything that could mess up the system like calling
- malloc() or free().
-*/
-
-static int callback( const void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- const PaStreamCallbackTimeInfo* timeInfo,
- PaStreamCallbackFlags statusFlags,
- void *userData )
-{
- paTestData *data = (paTestData*)userData;
- int i;
- short *rptr = (short*)inputBuffer;
- short *wptr = (short*)outputBuffer;
- float *in8k = data->in8k;
- float *in48k = data->in48k;
- float out8k[N8];
- float out48k[N48];
- short out48k_short[N48];
-
- (void) outputBuffer; /* Prevent unused variable warnings. */
- (void) timeInfo;
- (void) statusFlags;
- (void) userData;
-
- assert(inputBuffer != NULL);
-
- /* just use left channel */
-
- for(i=0; i<framesPerBuffer; i++,rptr+=2)
- data->in48k[i+FDMDV_OS_TAPS] = *rptr;
-
- /* downsample and update filter memory */
-
- fdmdv_48_to_8(out8k, &in48k[FDMDV_OS_TAPS], N8);
- for(i=0; i<FDMDV_OS_TAPS; i++)
- in48k[i] = in48k[i+framesPerBuffer];
-
- /* play side, back up to 8k */
-
- for(i=0; i<N8; i++)
- in8k[MEM8+i] = out8k[i];
-
- /* upsample and update filter memory */
-
- fdmdv_8_to_48(out48k, &in8k[MEM8], N8);
- for(i=0; i<MEM8; i++)
- in8k[i] = in8k[i+N8];
-
- assert(outputBuffer != NULL);
-
- /* write signal to both channels */
-
- for(i=0; i<N48; i++)
- out48k_short[i] = (short)out48k[i];
- for(i=0; i<framesPerBuffer; i++,wptr+=2) {
- wptr[0] = out48k_short[i];
- wptr[1] = out48k_short[i];
- }
-
- return paContinue;
-}
-
-int main(int argc, char *argv[])
-{
- PaStreamParameters inputParameters,outputParameters;
- PaStream* stream;
- PaError err = paNoError;
- paTestData data;
- int i;
-
- for(i=0; i<MEM8; i++)
- data.in8k[i] = 0.0;
- for(i=0; i<FDMDV_OS_TAPS; i++)
- data.in48k[i] = 0.0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto done;
-
- inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
- if (inputParameters.device == paNoDevice) {
- fprintf(stderr,"Error: No default input device.\n");
- goto done;
- }
- inputParameters.channelCount = NUM_CHANNELS; /* stereo input */
- inputParameters.sampleFormat = paInt16;
- inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
- inputParameters.hostApiSpecificStreamInfo = NULL;
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default input device */
- if (outputParameters.device == paNoDevice) {
- fprintf(stderr,"Error: No default output device.\n");
- goto done;
- }
- outputParameters.channelCount = NUM_CHANNELS; /* stereo input */
- outputParameters.sampleFormat = paInt16;
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- /* Play some audio --------------------------------------------- */
-
- err = Pa_OpenStream(
- &stream,
- &inputParameters,
- &outputParameters,
- SAMPLE_RATE,
- N48,
- paClipOff,
- callback,
- &data );
- if( err != paNoError ) goto done;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto done;
-
- while( ( err = Pa_IsStreamActive( stream ) ) == 1 )
- {
- Pa_Sleep(100);
- }
- if( err < 0 ) goto done;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto done;
-
-
-done:
- Pa_Terminate();
- if( err != paNoError )
- {
- fprintf( stderr, "An error occured while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- err = 1; /* Always return 0 or 1, but no other return codes. */
- }
- return err;
-}
-
projects / freetel-svn-tracking.git / commitdiff