diff options
Diffstat (limited to 'portaudio/src/hostapi/oss/recplay.c')
-rw-r--r-- | portaudio/src/hostapi/oss/recplay.c | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/portaudio/src/hostapi/oss/recplay.c b/portaudio/src/hostapi/oss/recplay.c deleted file mode 100644 index fe6dfdb..0000000 --- a/portaudio/src/hostapi/oss/recplay.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * recplay.c - * Phil Burk - * Minimal record and playback test. - * - */ -#include <stdio.h> -#include <unistd.h> -#include <stdlib.h> -#ifndef __STDC__ -/* #include <getopt.h> */ -#endif /* __STDC__ */ -#include <fcntl.h> -#ifdef __STDC__ -#include <string.h> -#else /* __STDC__ */ -#include <strings.h> -#endif /* __STDC__ */ -#include <sys/soundcard.h> - -#define NUM_BYTES (64*1024) -#define BLOCK_SIZE (4*1024) - -#define AUDIO "/dev/dsp" - -char buffer[NUM_BYTES]; - -int audioDev = 0; - -main (int argc, char *argv[]) -{ - int numLeft; - char *ptr; - int num; - int samplesize; - - /********** RECORD ********************/ - /* Open audio device. */ - audioDev = open (AUDIO, O_RDONLY, 0); - if (audioDev == -1) - { - perror (AUDIO); - exit (-1); - } - - /* Set to 16 bit samples. */ - samplesize = 16; - ioctl(audioDev, SNDCTL_DSP_SAMPLESIZE, &samplesize); - if (samplesize != 16) - { - perror("Unable to set the sample size."); - exit(-1); - } - - /* Record in blocks */ - printf("Begin recording.\n"); - numLeft = NUM_BYTES; - ptr = buffer; - while( numLeft >= BLOCK_SIZE ) - { - if ( (num = read (audioDev, ptr, BLOCK_SIZE)) < 0 ) - { - perror (AUDIO); - exit (-1); - } - else - { - printf("Read %d bytes\n", num); - ptr += num; - numLeft -= num; - } - } - - close( audioDev ); - - /********** PLAYBACK ********************/ - /* Open audio device for writing. */ - audioDev = open (AUDIO, O_WRONLY, 0); - if (audioDev == -1) - { - perror (AUDIO); - exit (-1); - } - - /* Set to 16 bit samples. */ - samplesize = 16; - ioctl(audioDev, SNDCTL_DSP_SAMPLESIZE, &samplesize); - if (samplesize != 16) - { - perror("Unable to set the sample size."); - exit(-1); - } - - /* Play in blocks */ - printf("Begin playing.\n"); - numLeft = NUM_BYTES; - ptr = buffer; - while( numLeft >= BLOCK_SIZE ) - { - if ( (num = write (audioDev, ptr, BLOCK_SIZE)) < 0 ) - { - perror (AUDIO); - exit (-1); - } - else - { - printf("Wrote %d bytes\n", num); - ptr += num; - numLeft -= num; - } - } - - close( audioDev ); -} |