ref: 16704130c9deceb62298e8237f66c3df30471a30
parent: 2c318fba9e88a35c141111aa3af0a3aaef51f3f6
author: cbagwell <cbagwell>
date: Sun Sep 18 18:02:57 EDT 2005
Move SIGINT handling to sox.c to fix playback aborts.
--- a/src/alsa.c
+++ b/src/alsa.c
@@ -49,11 +49,13 @@
unsigned int min_chan, max_chan;
unsigned int rate, periods;
snd_pcm_uframes_t buffer_size;
- snd_pcm_sframes_t period_size;
int dir;
snd_pcm_format_mask_t *fmask;
+#if 0
unsigned int buffer_time = 500000;
unsigned int period_time = 100000;
+ snd_pcm_sframes_t period_size;
+#endif
/* Reserve buffer for 16-bit data. FIXME: Whats a good size? */
alsa->buf_size = ST_BUFSIZ*2;
@@ -92,8 +94,8 @@
err = snd_pcm_hw_params_set_rate_resample(alsa->pcm_handle, hw_params,
rate);
if (err < 0) {- printf("Resampling setup failed for playback: %s\n", snd_strerror(err));- return err;
+ st_fail_errno(ft, ST_EPERM, "Resampling setup failed for playback");
+ return ST_EOF;
}
if ((err = snd_pcm_hw_params_set_access(alsa->pcm_handle, hw_params,
@@ -131,7 +133,6 @@
snd_pcm_hw_params_get_rate_min(hw_params, &min_rate, &dir);
snd_pcm_hw_params_get_rate_max(hw_params, &max_rate, &dir);
- fprintf(stderr, "min_rate=%d max_rate=%d\n", min_rate, max_rate);
rate = ft->info.rate;
if (rate < min_rate)
@@ -141,7 +142,7 @@
rate = max_rate;
if (rate != ft->info.rate)
{- st_warn("alsa: Hardware does not support %d. Forcing sample rate to %d.", ft->info.rate, rate);+ st_report("alsa: Hardware does not support %d. Forcing sample rate to %d.", ft->info.rate, rate);ft->info.rate = rate;
}
@@ -158,10 +159,9 @@
&rate,
&dir);
- fprintf(stderr, "new rate=%d\n", rate);
if (rate != ft->info.rate)
{- st_warn("Could not set exact rate of %d. Approximating with %d",+ st_report("Could not set exact rate of %d. Approximating with %d",ft->info.rate, rate);
}
@@ -201,7 +201,7 @@
}
#endif
-#if 0
+#if 1
/* Set number of periods. Periods used to be called fragments. */
periods = 2;
if (snd_pcm_hw_params_set_periods_near(alsa->pcm_handle, hw_params,
@@ -214,7 +214,7 @@
/* Set buffer size (in frames). The resulting latency is given by */
/* latency = periodsize * periods / (rate * bytes_per_frame) */
- buffer_size = ((ST_BUFSIZ/ft->info.channels) * periods);
+ buffer_size = ((ST_BUFSIZ/ft->info.size/ft->info.channels) * periods);
if (snd_pcm_hw_params_set_buffer_size_near(alsa->pcm_handle, hw_params,
&buffer_size) < 0) {st_fail_errno(ft, ST_EPERM, "Error setting buffersize.");
@@ -279,8 +279,6 @@
return ST_EOF;
}
- sigintreg(ft); /* Prepare to catch SIGINT */
-
return (ST_SUCCESS);
}
@@ -334,13 +332,6 @@
alsa_priv_t alsa = (alsa_priv_t)ft->priv;
void (*read_buf)(st_sample_t *, char *, st_ssize_t, char) = 0;
- /* Check to see if user sent SIGINT and if so return ST_EOF to
- * stop playing.
- */
- if (ft->file.eof)
- return ST_EOF;
-
-
switch(ft->info.size) {case ST_SIZE_BYTE:
switch(ft->info.encoding)
@@ -389,8 +380,6 @@
continue;
if (err < 0)
{- if (ft->file.eof)
- return ST_EOF;
if (xrun_recovery(alsa->pcm_handle, err) < 0)
{st_fail_errno(ft, ST_EPERM, "ALSA write error");
@@ -399,7 +388,7 @@
}
else
{- read_buf(buf+len, alsa->buf, err, ft->swap);
+ read_buf(buf+(len*sizeof(st_sample_t)), alsa->buf, err, ft->swap);
len += err * ft->info.channels;
}
}
@@ -431,12 +420,6 @@
alsa_priv_t alsa = (alsa_priv_t)ft->priv;
void (*write_buf)(char *, st_sample_t *, st_ssize_t, char) = 0;
- /* Check to see if user sent SIGINT and if so return ST_EOF to
- * stop recording
- */
- if (ft->file.eof)
- return ST_EOF;
-
switch(ft->info.size) {case ST_SIZE_BYTE:
switch(ft->info.encoding)
@@ -480,14 +463,13 @@
while (len < nsamp)
{- err = snd_pcm_writei(alsa->pcm_handle, alsa->buf,
+ err = snd_pcm_writei(alsa->pcm_handle,
+ alsa->buf+(len*ft->info.size),
(nsamp-len)/ft->info.channels);
if (err == -EAGAIN)
continue;
if (err < 0)
{- if (ft->file.eof)
- return ST_EOF;
if (xrun_recovery(alsa->pcm_handle, err) < 0)
{st_fail_errno(ft, ST_EPERM, "ALSA write error\n");
@@ -533,7 +515,7 @@
if (ft->info.size != ST_SIZE_WORD &&
ft->info.size != ST_SIZE_BYTE)
{- st_warn("ALSA driver only supports byte and word samples. Changing to word.");+ st_report("ALSA driver only supports byte and word samples. Changing to word.");ft->info.size = ST_SIZE_WORD;
}
@@ -542,12 +524,12 @@
{if (ft->info.size == ST_SIZE_WORD)
{- st_warn("ALSA driver only supports signed and unsigned samples. Changing to signed.");+ st_report("ALSA driver only supports signed and unsigned samples. Changing to signed.");ft->info.encoding = ST_ENCODING_SIGN2;
}
else
{- st_warn("ALSA driver only supports signed and unsigned samples. Changing to unsigned.");+ st_report("ALSA driver only supports signed and unsigned samples. Changing to unsigned.");ft->info.encoding = ST_ENCODING_UNSIGNED;
}
}
--- a/src/mp3.c
+++ b/src/mp3.c
@@ -128,7 +128,7 @@
mad_timer_reset(p->Timer);
ft->info.encoding = ST_ENCODING_MP3;
- ft->info.size = ST_SIZE_DWORD;
+ ft->info.size = ST_SIZE_WORD;
/* We need to decode the first frame,
* so we know the output format */
--- a/src/nulfile.c
+++ b/src/nulfile.c
@@ -20,7 +20,7 @@
/* Private data for nul file */
typedef struct nulstuff {- int rest; /* bytes remaining in current block */
+ int rest; /* bytes remaining in current block */
unsigned long readsamples;
unsigned long writesamples;
} *nul_t;
@@ -28,34 +28,29 @@
/*
* Do anything required before you start reading samples.
* Read file header.
- * Find out sampling rate,
- * size and encoding of samples,
- * mono/stereo/quad.
+ * Find out sampling rate,
+ * size and encoding of samples,
+ * mono/stereo/quad.
*/
int st_nulstartread(ft_t ft)
{- nul_t sk = (nul_t) ft->priv;
- /* no samples read yet */
- sk->readsamples=0;
+ nul_t sk = (nul_t) ft->priv;
+ /* no samples read yet */
+ sk->readsamples=0;
- /* if no input rate is given as parameter, switch to
- * default parameter
- */
- if(ft->info.rate == 0){- /* input rate not set, switch to default */
- ft->info.rate = 44100;
- ft->info.size = ST_SIZE_WORD;
- ft->info.encoding = ST_ENCODING_SIGN2;
- ft->info.channels = 2;
- }
- ft->comment = "nul file";
-
- /* only SIGINT will stop us from reading nul data..
- *
- */
- sigintreg(ft); /* Prepare to catch SIGINT */
-
- return (ST_SUCCESS);
+ /* if no input rate is given as parameter, switch to
+ * default parameter
+ */
+ if(ft->info.rate == 0){+ /* input rate not set, switch to default */
+ ft->info.rate = 44100;
+ ft->info.size = ST_SIZE_WORD;
+ ft->info.encoding = ST_ENCODING_SIGN2;
+ ft->info.channels = 2;
+ }
+ ft->comment = "nul file";
+
+ return (ST_SUCCESS);
}
/*
@@ -67,17 +62,17 @@
st_ssize_t st_nulread(ft_t ft, st_sample_t *buf, st_ssize_t len)
{- nul_t sk = (nul_t) ft->priv;
- int done = 0;
- st_sample_t l;
- for(; done < len; done++) {- if (ft->file.eof)
- break;
- l = 0; /* nul samples are always 0 */
- sk->readsamples++;
- *buf++ = l;
- }
- return done;
+ nul_t sk = (nul_t) ft->priv;
+ int done = 0;
+ st_sample_t l;
+ for(; done < len; done++) {+ if (ft->file.eof)
+ break;
+ l = 0; /* nul samples are always 0 */
+ sk->readsamples++;
+ *buf++ = l;
+ }
+ return done;
}
/*
@@ -92,20 +87,20 @@
int st_nulstartwrite(ft_t ft)
{- nul_t sk = (nul_t) ft->priv;
- sk->writesamples=0;
- return(ST_SUCCESS);
-
+ nul_t sk = (nul_t) ft->priv;
+ sk->writesamples=0;
+ return(ST_SUCCESS);
+
}
st_ssize_t st_nulwrite(ft_t ft, st_sample_t *buf, st_ssize_t len)
{- nul_t sk = (nul_t) ft->priv;
- while(len--)
- sk->writesamples++;
- st_writeb(ft, (*buf++ >> 24) ^ 0x80);
- return (ST_SUCCESS);
-
+ nul_t sk = (nul_t) ft->priv;
+ while(len--)
+ sk->writesamples++;
+ st_writeb(ft, (*buf++ >> 24) ^ 0x80);
+ return (ST_SUCCESS);
+
}
int st_nulstopwrite(ft_t ft)
--- a/src/oss.c
+++ b/src/oss.c
@@ -208,7 +208,6 @@
{int rc;
rc = ossdspinit(ft);
- sigintreg(ft); /* Prepare to catch SIGINT */
return rc;
}
--- a/src/sox.c
+++ b/src/sox.c
@@ -30,6 +30,7 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.h> /* for malloc() */
+#include <signal.h>
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
@@ -72,6 +73,8 @@
static int writing = 1; /* are we writing to a file? assume yes. */
static int soxpreview = 0; /* preview mode */
+static int user_abort = 0;
+
static int quite = 0;
static int status = 0;
static unsigned long input_samples = 0;
@@ -112,6 +115,8 @@
static int drain_effect(int);
static void release_effect_buf(void);
static void stop_effects(void);
+void cleanup(void);
+static void sigint(int s);
#define MAX_INPUT_FILES 32
#define MAX_FILES MAX_INPUT_FILES + 1
@@ -242,11 +247,21 @@
&file_opts[i]->info,
file_opts[i]->filetype,
file_opts[i]->swap);
+ if (!file_desc[i])
+ {+ /* st_open_input() will call st_warn for most errors.
+ * Rely on that printing something.
+ */
+ cleanup();
+ exit(2);
+ }
}
/* Loop through the reset of the arguments looking for effects */
parse_effects(argc, argv);
+ signal(SIGINT, sigint);
+
process();
statistics();
@@ -469,9 +484,18 @@
file_opts[file_count-1]->filetype,
file_opts[file_count-1]->swap);
+ if (!file_desc[file_count-1])
+ {+ /* st_open_output() will call st_warn for most errors.
+ * Rely on that printing something.
+ */
+ cleanup();
+ exit(2);
+ }
+
/* When writing to an audio device, auto turn on the
- * status display to match behavior of ogg123/mpg123
- * utils. That is unless user requested us not to display]
+ * status display to match behavior of ogg123 status.
+ * That is unless user requested us not to display]
* anything.
*/
if (strcmp(file_desc[file_count-1]->filetype, "alsa") == 0 ||
@@ -549,10 +573,8 @@
*/
do {#ifndef SOXMIX
- efftab[0].olen =
- ilen = (*file_desc[current_input]->h->read)(file_desc[current_input],
- efftab[0].obuf,
- (st_ssize_t)ST_BUFSIZ);
+ ilen = st_read(file_desc[current_input], efftab[0].obuf,
+ (st_ssize_t)ST_BUFSIZ);
if (ilen > ST_BUFSIZ)
{ st_warn("WARNING: Corrupt value of %d! Assuming 0 bytes read.\n", ilen);@@ -567,7 +589,6 @@
efftab[0].olen = 0;
else
efftab[0].olen = ilen;
- efftab[0].odone = 0;
read_samples += (efftab[0].olen / file_desc[0]->info.channels);
@@ -600,9 +621,8 @@
#else
for (f = 0; f < input_count; f++)
{- ilen[f] = (*file_desc[f]->h->read)(file_desc[f],
- ibuf[f],
- (st_ssize_t)ST_BUFSIZ);
+ ilen[f] = st_read(file_desc[f], ibuf[f], (st_ssize_t)ST_BUFSIZ);
+
/* FIXME: libst needs the feof() and ferror() concepts
* to see if ST_EOF means a real failure. Until then we
* must treat ST_EOF as just hiting the end of the buffer.
@@ -683,6 +703,12 @@
if (status)
update_status();
+ /* Quite reading/writing on user aborts. This will close
+ * done the files nicely as if an EOF was reached on read.
+ */
+ if (user_abort)
+ break;
+
/* Negative flowstatus says no more output will ever be generated. */
if (flowstatus == ST_EOF ||
(writing && file_desc[file_count-1]->st_errno))
@@ -995,6 +1021,7 @@
static int flow_effect_out(void)
{int e, havedata, flowstatus = 0;
+ int len, total;
do {/* run entire chain BACKWARDS: pull, don't push.*/
@@ -1045,22 +1072,23 @@
/* FIXME: Should look at return code and abort
* on ST_EOF
*/
- (*file_desc[file_count-1]->h->write)(file_desc[file_count-1],
- efftab[neffects-1].obuf,
- (st_ssize_t)efftab[neffects-1].olen);
- /* FIXME: Goes with above. Should look at # of bytes writen. */
- /* Currently, assuming all bytes were written and resetting
- * buffer pointers accordingly.
- */
- output_samples += (efftab[neffects-1].olen /
- file_desc[file_count-1]->info.channels);
- efftab[neffects-1].odone = efftab[neffects-1].olen = 0;
-
- if (file_desc[file_count-1]->st_errno)
+ total = 0;
+ do
{- st_warn("Error writing: %s", file_desc[file_count-1]->st_errstr);- break;
- }
+ len = st_write(file_desc[file_count-1],
+ &efftab[neffects-1].obuf[total],
+ (st_ssize_t)efftab[neffects-1].olen-total);
+
+ if (len < 0)
+ {+ st_warn("Error writing: %s",+ file_desc[file_count-1]->st_errstr);
+ return ST_EOF;
+ }
+ total += len;
+ output_samples += (len / file_desc[file_count-1]->info.channels);
+ efftab[neffects-1].odone = efftab[neffects-1].olen = 0;
+ } while (total < efftab[neffects-1].olen);
}
else
{@@ -1283,7 +1311,6 @@
/* right */
olenr = olen/2;
- /* FIXME: Should look at return code and abort on ST_EOF */
rc_r = (* efftab[e].h->drain)(&efftabR[e], obufr,
(st_size_t *)&olenr);
@@ -1473,7 +1500,6 @@
exit(1);
}
-
/* called from util.c::st_fail() */
void cleanup(void)
{@@ -1503,5 +1529,13 @@
free(fn);
if (file_desc[file_count-1])
free(file_desc[file_count-1]);
+ }
+}
+
+static void sigint(int s)
+{+ if (s == SIGINT)
+ {+ user_abort = 1;
}
}
--- a/src/st.h
+++ b/src/st.h
@@ -261,6 +261,8 @@
const char *comment, const st_loopinfo_t *loops,
const st_instrinfo_t *instr,
const char *filetype, const char swap);
+extern st_ssize_t st_read(ft_t ft, st_sample_t *buf, st_ssize_t len);
+extern st_ssize_t st_write(ft_t ft, st_sample_t *buf, st_ssize_t len);
extern int st_close(ft_t ft);
int st_geteffect_opt(eff_t, int, char **);
@@ -271,12 +273,6 @@
ft_t st_initformat(void);
int st_parsesamples(st_rate_t rate, char *str, st_size_t *samples, char def);
-/* FIXME: Recording hacks shouldn't display a "sigint" style interface.
- * Instead we should provide a function to call when done playing/recording.
- * sox.c should be responsible for registering to sigint.
- */
-void sigintreg(ft_t);
-
/* FIXME: these declared in util.c, global is inappropriate for lib */
extern int verbose; /* be noisy on stderr */
extern char *myname;
@@ -294,6 +290,7 @@
#define ST_EPERM 2004 /* Operation not permitted */
#define ST_ENOTSUP 2005 /* Operation not supported */
#define ST_EINVAL 2006 /* Invalid argument */
+#define ST_EFFMT 2007 /* Unsupported file format */
#ifdef __cplusplus
} /* end of extern "C" */
--- a/src/stio.c
+++ b/src/stio.c
@@ -62,7 +62,6 @@
return ST_EOF;
}
- /* anyway to check length on st_encoding_str[] ? */
if (ft->info.encoding <= 0 || ft->info.encoding > ST_ENCODING_MAX)
{st_fail_errno(ft,ST_EFMT,"data encoding %i is invalid");
@@ -95,8 +94,7 @@
if (st_gettype(ft) != ST_SUCCESS)
{- /* FIXME */
- st_fail("Unknown input file format for '%s': %s", + st_warn("Unknown input file format for '%s': %s", ft->filename,
ft->st_errstr);
goto input_error;
@@ -118,8 +116,7 @@
ft->fp = stdin;
else if ((ft->fp = fopen(ft->filename, "rb")) == NULL)
{- /* FIXME */
- st_fail("Can't open input file '%s': %s", ft->filename,+ st_warn("Can't open input file '%s': %s", ft->filename,strerror(errno));
goto input_error;
}
@@ -131,8 +128,7 @@
/* Read and write starters can change their formats. */
if ((*ft->h->startread)(ft) != ST_SUCCESS)
{- /* FIXME */
- st_fail("Failed reading %s: %s", ft->filename, ft->st_errstr);+ st_warn("Failed reading %s: %s", ft->filename, ft->st_errstr);goto input_error;
}
@@ -248,8 +244,7 @@
if (st_gettype(ft) != ST_SUCCESS)
{- /* FIXME */
- st_fail("Unknown output file format for '%s': %s", + st_warn("Unknown output file format for '%s': %s", ft->filename,
ft->st_errstr);
goto output_error;
@@ -274,8 +269,7 @@
}
else if ((ft->fp = fopen(ft->filename, "wb")) == NULL)
{- /* FIXME */
- st_fail("Can't open output file '%s': %s", ft->filename,+ st_warn("Can't open output file '%s': %s", ft->filename,strerror(errno));
goto output_error;
}
@@ -285,8 +279,7 @@
/* FIXME: Use buffer size from ft structure */
if (setvbuf (ft->fp, NULL, _IOFBF, sizeof(char)*ST_BUFSIZ))
{- /* FIXME */
- st_fail("Can't set write buffer");+ st_warn("Can't set write buffer");goto output_error;
}
@@ -299,8 +292,7 @@
/* Read and write starters can change their formats. */
if ((*ft->h->startwrite)(ft) != ST_SUCCESS)
{- /* FIXME */
- st_fail("Failed writing %s: %s", ft->filename, ft->st_errstr);+ st_warn("Failed writing %s: %s", ft->filename, ft->st_errstr);goto output_error;
}
@@ -321,6 +313,16 @@
free(ft->filetype);
free(ft);
return NULL;
+}
+
+st_ssize_t st_read(ft_t ft, st_sample_t *buf, st_ssize_t len)
+{+ return (*ft->h->read)(ft, buf, len);
+}
+
+st_ssize_t st_write(ft_t ft, st_sample_t *buf, st_ssize_t len)
+{+ return (*ft->h->write)(ft, buf, len);
}
int st_close(ft_t ft)
--- a/src/sunaudio.c
+++ b/src/sunaudio.c
@@ -181,7 +181,6 @@
#endif
/* Change to non-buffered I/O*/
setvbuf(ft->fp, NULL, _IONBF, sizeof(char) * ft->file.size);
- sigintreg(ft); /* Prepare to catch SIGINT */
return (ST_SUCCESS);
}
--- a/src/util.c
+++ b/src/util.c
@@ -10,7 +10,6 @@
#include "st_i.h"
#include <string.h>
#include <ctype.h>
-#include <signal.h>
#ifdef __STDC__
#include <stdarg.h>
@@ -318,30 +317,6 @@
effect_mask |= ST_EFF_RATE;
return effect_mask;
-}
-
-/*
- * File format routines
- */
-static ft_t ft_queue[2] = {0, 0};-
-static void sigint(int s)
-{- if (s == SIGINT) {- if (ft_queue[0])
- ft_queue[0]->file.eof = 1;
- if (ft_queue[1])
- ft_queue[1]->file.eof = 1;
- }
-}
-
-void sigintreg(ft_t ft)
-{- if (ft_queue[0] == 0)
- ft_queue[0] = ft;
- else
- ft_queue[1] = ft;
- signal(SIGINT, sigint);
}
/*
--- a/src/vorbis.c
+++ b/src/vorbis.c
@@ -126,7 +126,7 @@
/* Record audio info */
ft->info.rate = vi->rate;
- ft->info.size = ST_SIZE_32BIT;
+ ft->info.size = ST_SIZE_16BIT;
ft->info.encoding = ST_ENCODING_VORBIS;
ft->info.channels = vi->channels;
@@ -350,7 +350,7 @@
vorbis_enc_t *ve;
long rate;
- ft->info.size = ST_SIZE_32BIT;
+ ft->info.size = ST_SIZE_16BIT;
ft->info.encoding = ST_ENCODING_VORBIS;
/* Allocate memory for all of the structures */
--- a/src/wav.c
+++ b/src/wav.c
@@ -1356,7 +1356,7 @@
ft->info.encoding == ST_ENCODING_GSM) &&
ft->info.size != ST_SIZE_BYTE)
{- st_warn("Overriding output size to bytes for compressed data.");+ st_report("Overriding output size to bytes for compressed data.");ft->info.size = ST_SIZE_BYTE;
}
@@ -1371,7 +1371,7 @@
ft->info.encoding != ST_ENCODING_ADPCM &&
ft->info.encoding != ST_ENCODING_IMA_ADPCM)
{- st_warn("Do not support %s with 8-bit data. Forcing to unsigned",st_encodings_str[(unsigned char)ft->info.encoding]);+ st_report("Do not support %s with 8-bit data. Forcing to unsigned",st_encodings_str[(unsigned char)ft->info.encoding]);ft->info.encoding = ST_ENCODING_UNSIGNED;
}
break;
@@ -1379,7 +1379,7 @@
wBitsPerSample = 16;
if (ft->info.encoding != ST_ENCODING_SIGN2)
{- st_warn("Do not support %s with 16-bit data. Forcing to Signed.",st_encodings_str[(unsigned char)ft->info.encoding]);+ st_report("Do not support %s with 16-bit data. Forcing to Signed.",st_encodings_str[(unsigned char)ft->info.encoding]);ft->info.encoding = ST_ENCODING_SIGN2;
}
break;
@@ -1388,13 +1388,13 @@
if (ft->info.encoding != ST_ENCODING_SIGN2 &&
ft->info.encoding != ST_ENCODING_FLOAT)
{- st_warn("Do not support %s with 32-bit data. Forcing to Signed.",st_encodings_str[(unsigned char)ft->info.encoding]);+ st_report("Do not support %s with 32-bit data. Forcing to Signed.",st_encodings_str[(unsigned char)ft->info.encoding]);ft->info.encoding = ST_ENCODING_SIGN2;
}
break;
default:
- st_warn("Do not support %s in WAV files. Forcing to Signed Words.",st_sizes_str[(unsigned char)ft->info.size]);+ st_report("Do not support %s in WAV files. Forcing to Signed Words.",st_sizes_str[(unsigned char)ft->info.size]);ft->info.encoding = ST_ENCODING_SIGN2;
ft->info.size = ST_SIZE_WORD;
wBitsPerSample = 16;
@@ -1452,7 +1452,7 @@
#ifdef ENABLE_GSM
if (wChannels!=1)
{- st_warn("Overriding GSM audio from %d channel to 1\n",wChannels);+ st_report("Overriding GSM audio from %d channel to 1\n",wChannels);wChannels = ft->info.channels = 1;
}
wFormatTag = WAVE_FORMAT_GSM610;