remove dat format

dev
xufulong 3 years ago
parent 6b26c2dc28
commit 09a4b271bc
  1. 5
      app/src/main/cpp/sox/CmakeLists.txt
  2. 162
      app/src/main/cpp/sox/dat.c
  3. 2
      app/src/main/cpp/sox/formats.h

@ -87,12 +87,7 @@ set(formats_srcs
adpcms.h
adpcms.c
al-fmt.c
# cvsd.h
# cvsd.c
# cvsd-fmt.c
coreaudio.c
dat.c
# dvms-fmt.c
f4-fmt.c
f8-fmt.c
g711.h

@ -1,162 +0,0 @@
/* libSoX text format file. Tom Littlejohn, March 93.
*
* Reads/writes sound files as text.
*
* Copyright 1998-2006 Chris Bagwell and SoX Contributors
* This source code is freely redistributable and may be used for
* any purpose. This copyright notice must be maintained.
* Lance Norskog And Sundry Contributors are not responsible for
* the consequences of using this software.
*/
#include "sox_i.h"
#include <string.h>
#define LINEWIDTH (size_t)256
/* Private data for dat file */
typedef struct {
double timevalue, deltat;
int buffered;
char prevline[LINEWIDTH];
} priv_t;
static int sox_datstartread(sox_format_t * ft)
{
char inpstr[LINEWIDTH];
long rate;
int chan;
int status;
char sc;
/* Read lines until EOF or first non-comment line */
while ((status = lsx_reads(ft, inpstr, LINEWIDTH-1)) != SOX_EOF) {
inpstr[LINEWIDTH-1] = 0;
if ((sscanf(inpstr," %c", &sc) != 0) && (sc != ';')) break;
if (sscanf(inpstr," ; Sample Rate %ld", &rate)) {
ft->signal.rate=rate;
} else if (sscanf(inpstr," ; Channels %d", &chan)) {
ft->signal.channels=chan;
}
}
/* Hold a copy of the last line we read (first non-comment) */
if (status != SOX_EOF) {
strncpy(((priv_t *)ft->priv)->prevline, inpstr, (size_t)LINEWIDTH);
((priv_t *)ft->priv)->buffered = 1;
} else {
((priv_t *)ft->priv)->buffered = 0;
}
/* Default channels to 1 if not found */
if (ft->signal.channels == 0)
ft->signal.channels = 1;
ft->encoding.encoding = SOX_ENCODING_FLOAT_TEXT;
return (SOX_SUCCESS);
}
static int sox_datstartwrite(sox_format_t * ft)
{
priv_t * dat = (priv_t *) ft->priv;
char s[LINEWIDTH];
dat->timevalue = 0.0;
dat->deltat = 1.0 / (double)ft->signal.rate;
/* Write format comments to start of file */
sprintf(s,"; Sample Rate %ld\015\n", (long)ft->signal.rate);
lsx_writes(ft, s);
sprintf(s,"; Channels %d\015\n", (int)ft->signal.channels);
lsx_writes(ft, s);
return (SOX_SUCCESS);
}
static size_t sox_datread(sox_format_t * ft, sox_sample_t *buf, size_t nsamp)
{
char inpstr[LINEWIDTH];
int inpPtr = 0;
int inpPtrInc = 0;
double sampval = 0.0;
int retc = 0;
char sc = 0;
size_t done = 0;
size_t i=0;
/* Always read a complete set of channels */
nsamp -= (nsamp % ft->signal.channels);
while (done < nsamp) {
/* Read a line or grab the buffered first line */
if (((priv_t *)ft->priv)->buffered) {
strncpy(inpstr, ((priv_t *)ft->priv)->prevline, (size_t)LINEWIDTH);
inpstr[LINEWIDTH-1] = 0;
((priv_t *)ft->priv)->buffered=0;
} else {
lsx_reads(ft, inpstr, LINEWIDTH-1);
inpstr[LINEWIDTH-1] = 0;
if (lsx_eof(ft)) return (done);
}
/* Skip over comments - ie. 0 or more whitespace, then ';' */
if ((sscanf(inpstr," %c", &sc) != 0) && (sc==';')) continue;
/* Read a complete set of channels */
sscanf(inpstr," %*s%n", &inpPtr);
for (i=0; i<ft->signal.channels; i++) {
SOX_SAMPLE_LOCALS;
retc = sscanf(&inpstr[inpPtr]," %lg%n", &sampval, &inpPtrInc);
inpPtr += inpPtrInc;
if (retc != 1) {
lsx_fail_errno(ft,SOX_EOF,"Unable to read sample.");
return 0;
}
*buf++ = SOX_FLOAT_64BIT_TO_SAMPLE(sampval, ft->clips);
done++;
}
}
return (done);
}
static size_t sox_datwrite(sox_format_t * ft, const sox_sample_t *buf, size_t nsamp)
{
priv_t * dat = (priv_t *) ft->priv;
size_t done = 0;
double sampval=0.0;
char s[LINEWIDTH];
size_t i=0;
/* Always write a complete set of channels */
nsamp -= (nsamp % ft->signal.channels);
/* Write time, then sample values, then CRLF newline */
while(done < nsamp) {
sprintf(s," %15.8g ",dat->timevalue);
lsx_writes(ft, s);
for (i=0; i<ft->signal.channels; i++) {
sampval = SOX_SAMPLE_TO_FLOAT_64BIT(*buf++, ft->clips);
sprintf(s," %15.11g", sampval);
lsx_writes(ft, s);
done++;
}
sprintf(s," \r\n");
lsx_writes(ft, s);
dat->timevalue += dat->deltat;
}
return done;
}
LSX_FORMAT_HANDLER(dat)
{
static char const * const names[] = {"dat", NULL};
static unsigned const write_encodings[] = {SOX_ENCODING_FLOAT_TEXT, 0, 0};
static sox_format_handler_t const handler = {SOX_LIB_VERSION_CODE,
"Textual representation of the sampled audio", names, 0,
sox_datstartread, sox_datread, NULL,
sox_datstartwrite, sox_datwrite, NULL,
NULL, write_encodings, NULL, sizeof(priv_t)
};
return &handler;
}

@ -25,7 +25,7 @@
// FORMAT(cdr)
// FORMAT(cvsd)
// FORMAT(cvu)
FORMAT(dat)
// FORMAT(dat)
// FORMAT(dvms)
FORMAT(f4)
FORMAT(f8)

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