k
/
FFmpegAndroid
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

remove 8svx format

Browse Source
dev
xufulong 3 years ago
parent 78d239abec
commit b5a1f82f55
3 changed files with 1 additions and 344 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 342
      app/src/main/cpp/sox/8svx.c
  2. 1
      app/src/main/cpp/sox/CmakeLists.txt
  3. 2
      app/src/main/cpp/sox/formats.h

342
app/src/main/cpp/sox/8svx.c
Unescape View File

@ -1,342 +0,0 @@
/* Amiga 8SVX format handler: W V Neisius, February 1992 */
#include "sox_i.h"
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#define BUFLEN 512
/* Private data used by writer */
typedef struct{
uint32_t nsamples;
uint32_t left;
off_t ch0_pos;
sox_uint8_t buf[4][BUFLEN];
FILE* tmp[4];
} priv_t;
static void svxwriteheader(sox_format_t *, size_t);
/*======================================================================*/
/* 8SVXSTARTREAD */
/*======================================================================*/
static int startread(sox_format_t * ft)
{
priv_t * p = (priv_t * ) ft->priv;
char buf[12];
char *chunk_buf;
uint32_t totalsize;
uint32_t chunksize;
uint32_t channels;
unsigned short rate;
if (! ft->seekable)
{
lsx_fail_errno(ft,SOX_EINVAL,"8svx input file must be a file, not a pipe");
return (SOX_EOF);
}
rate = 0;
channels = 1;
/* read FORM chunk */
if (lsx_reads(ft, buf, (size_t)4) == SOX_EOF || strncmp(buf, "FORM", (size_t)4) != 0)
{
lsx_fail_errno(ft, SOX_EHDR, "Header did not begin with magic word `FORM'");
return(SOX_EOF);
}
lsx_readdw(ft, &totalsize);
if (lsx_reads(ft, buf, (size_t)4) == SOX_EOF || strncmp(buf, "8SVX", (size_t)4) != 0)
{
lsx_fail_errno(ft, SOX_EHDR, "'FORM' chunk does not specify `8SVX' as type");
return(SOX_EOF);
}
/* read chunks until 'BODY' (or end) */
while (lsx_reads(ft, buf, (size_t)4) == SOX_SUCCESS && strncmp(buf,"BODY",(size_t)4) != 0) {
if (strncmp(buf,"VHDR",(size_t)4) == 0) {
lsx_readdw(ft, &chunksize);
if (chunksize != 20)
{
lsx_fail_errno(ft, SOX_EHDR, "VHDR chunk has bad size");
return(SOX_EOF);
}
lsx_seeki(ft,(off_t)12,SEEK_CUR);
lsx_readw(ft, &rate);
lsx_seeki(ft,(off_t)1,SEEK_CUR);
lsx_readbuf(ft, buf,(size_t)1);
if (buf[0] != 0)
{
lsx_fail_errno(ft, SOX_EFMT, "Unsupported data compression");
return(SOX_EOF);
}
lsx_seeki(ft,(off_t)4,SEEK_CUR);
continue;
}
if (strncmp(buf,"ANNO",(size_t)4) == 0) {
lsx_readdw(ft, &chunksize);
if (chunksize & 1)
chunksize++;
chunk_buf = lsx_malloc(chunksize + (size_t)2);
if (lsx_readbuf(ft, chunk_buf,(size_t)chunksize)
!= chunksize)
{
lsx_fail_errno(ft, SOX_EHDR, "Couldn't read all of header");
return(SOX_EOF);
}
chunk_buf[chunksize] = '\0';
lsx_debug("%s",chunk_buf);
free(chunk_buf);
continue;
}
if (strncmp(buf,"NAME",(size_t)4) == 0) {
lsx_readdw(ft, &chunksize);
if (chunksize & 1)
chunksize++;
chunk_buf = lsx_malloc(chunksize + (size_t)1);
if (lsx_readbuf(ft, chunk_buf,(size_t)chunksize)
!= chunksize)
{
lsx_fail_errno(ft, SOX_EHDR, "Couldn't read all of header");
return(SOX_EOF);
}
chunk_buf[chunksize] = '\0';
lsx_debug("%s",chunk_buf);
free(chunk_buf);
continue;
}
if (strncmp(buf,"CHAN",(size_t)4) == 0) {
lsx_readdw(ft, &chunksize);
if (chunksize != 4)
{
lsx_fail_errno(ft, SOX_EHDR, "Couldn't read all of header");
return(SOX_EOF);
}
lsx_readdw(ft, &channels);
channels = (channels & 0x01) +
((channels & 0x02) >> 1) +
((channels & 0x04) >> 2) +
((channels & 0x08) >> 3);
continue;
}
/* some other kind of chunk */
lsx_readdw(ft, &chunksize);
if (chunksize & 1)
chunksize++;
lsx_seeki(ft,(off_t)chunksize,SEEK_CUR);
continue;
}
if (rate == 0)
{
lsx_fail_errno(ft, SOX_EHDR, "Invalid sample rate");
return(SOX_EOF);
}
if (strncmp(buf,"BODY",(size_t)4) != 0)
{
lsx_fail_errno(ft, SOX_EHDR, "BODY chunk not found");
return(SOX_EOF);
}
lsx_readdw(ft, &(p->nsamples));
p->left = p->nsamples;
p->ch0_pos = lsx_tell(ft);
ft->signal.length = p->nsamples;
ft->signal.channels = channels;
ft->signal.rate = rate;
ft->encoding.encoding = SOX_ENCODING_SIGN2;
ft->encoding.bits_per_sample = 8;
return(SOX_SUCCESS);
}
/*======================================================================*/
/* 8SVXREAD */
/*======================================================================*/
static size_t read_samples(sox_format_t * ft, sox_sample_t *buf, size_t nsamp)
{
size_t done = 0;
priv_t * p = (priv_t * ) ft->priv;
size_t frames = nsamp / ft->signal.channels;
unsigned width = p->nsamples / ft->signal.channels;
if (p->left < frames)
frames = p->left;
while (done != frames) {
size_t chunk = frames - done;
size_t i;
unsigned ch;
if (chunk > BUFLEN)
chunk = BUFLEN;
for (ch = 0; ch != ft->signal.channels; ch++) {
if (lsx_seeki(ft, p->ch0_pos + ch * width, SEEK_SET) ||
chunk != lsx_readbuf(ft, p->buf[ch], chunk))
return done * ft->signal.channels;
}
for (i = 0; i != chunk; i++) {
for (ch = 0; ch != ft->signal.channels; ch++) {
/* scale signed up to long's range */
*buf++ = SOX_SIGNED_8BIT_TO_SAMPLE(p->buf[ch][i], dummy);
}
}
done += chunk;
p->left -= chunk * ft->signal.channels;
p->ch0_pos += chunk;
}
return done * ft->signal.channels;
}
/*======================================================================*/
/* 8SVXSTARTWRITE */
/*======================================================================*/
static int startwrite(sox_format_t * ft)
{
priv_t * p = (priv_t * ) ft->priv;
size_t i;
/* open channel output files */
for (i = 0; i < ft->signal.channels; i++) {
if ((p->tmp[i] = lsx_tmpfile()) == NULL)
{
lsx_fail_errno(ft,errno,"Can't open channel output file");
return(SOX_EOF);
}
}
p->nsamples = 0;
return(SOX_SUCCESS);
}
/*======================================================================*/
/* 8SVXWRITE */
/*======================================================================*/
static size_t write_samples(sox_format_t * ft, const sox_sample_t *buf, size_t len)
{
priv_t * p = (priv_t * ) ft->priv;
SOX_SAMPLE_LOCALS;
unsigned char datum;
size_t done = 0, i;
p->nsamples += len;
while(done < len) {
for (i = 0; i < ft->signal.channels; i++) {
datum = SOX_SAMPLE_TO_SIGNED_8BIT(*buf++, ft->clips);
putc(datum, p->tmp[i]);
}
done += ft->signal.channels;
}
return (done);
}
/*======================================================================*/
/* 8SVXSTOPWRITE */
/*======================================================================*/
static int stopwrite(sox_format_t * ft)
{
priv_t * p = (priv_t * ) ft->priv;
size_t i, len;
char svxbuf[512];
svxwriteheader(ft, (size_t) p->nsamples);
/* append all channel pieces to channel 0 */
/* close temp files */
for (i = 0; i < ft->signal.channels; i++) {
if (fseeko(p->tmp[i], (off_t)0, 0))
{
lsx_fail_errno (ft,errno,"Can't rewind channel output file %lu",(unsigned long)i);
return(SOX_EOF);
}
while (!feof(p->tmp[i])) {
len = fread(svxbuf, (size_t) 1, (size_t) 512, p->tmp[i]);
if (lsx_writebuf(ft, svxbuf, len) != len) {
lsx_fail_errno (ft,errno,"Can't write channel output file %lu",(unsigned long)i);
return SOX_EOF;
}
}
fclose (p->tmp[i]);
}
/* add a pad byte if BODY size is odd */
if(p->nsamples % 2 != 0)
lsx_writeb(ft, '\0');
return(SOX_SUCCESS);
}
/*======================================================================*/
/* 8SVXWRITEHEADER */
/*======================================================================*/
#define SVXHEADERSIZE 100
static void svxwriteheader(sox_format_t * ft, size_t nsamples)
{
size_t formsize = nsamples + SVXHEADERSIZE - 8;
/* FORM size must be even */
if(formsize % 2 != 0) formsize++;
lsx_writes(ft, "FORM");
lsx_writedw(ft, (unsigned) formsize); /* size of file */
lsx_writes(ft, "8SVX"); /* File type */
lsx_writes(ft, "VHDR");
lsx_writedw(ft, 20); /* number of bytes to follow */
lsx_writedw(ft, (unsigned) nsamples/ft->signal.channels); /* samples, 1-shot */
lsx_writedw(ft, 0); /* samples, repeat */
lsx_writedw(ft, 0); /* samples per repeat cycle */
lsx_writew(ft, min(65535, (unsigned)(ft->signal.rate + .5)));
lsx_writeb(ft,1); /* number of octabes */
lsx_writeb(ft,0); /* data compression (none) */
lsx_writew(ft,1); lsx_writew(ft,0); /* volume */
lsx_writes(ft, "ANNO");
lsx_writedw(ft, 32); /* length of block */
lsx_writes(ft, "File created by Sound Exchange ");
lsx_writes(ft, "CHAN");
lsx_writedw(ft, 4);
lsx_writedw(ft, (ft->signal.channels == 2) ? 6u :
(ft->signal.channels == 4) ? 15u : 2u);
lsx_writes(ft, "BODY");
lsx_writedw(ft, (unsigned) nsamples); /* samples in file */
}
LSX_FORMAT_HANDLER(svx)
{
static char const * const names[] = {"8svx", NULL};
static unsigned const write_encodings[] = {SOX_ENCODING_SIGN2, 8, 0, 0};
static sox_format_handler_t const handler = {SOX_LIB_VERSION_CODE,
"Amiga audio format (a subformat of the Interchange File Format)",
names, SOX_FILE_BIG_END|SOX_FILE_MONO|SOX_FILE_STEREO|SOX_FILE_QUAD,
startread, read_samples, NULL,
startwrite, write_samples, stopwrite,
NULL, write_encodings, NULL, sizeof(priv_t)
};
return &handler;
}

1
app/src/main/cpp/sox/CmakeLists.txt
Unescape View File

@ -82,7 +82,6 @@ set(effects_srcs
vol.c
)
set(formats_srcs
8svx.c
adpcm.c
adpcm.h
adpcms.h

2
app/src/main/cpp/sox/formats.h
Unescape View File

@ -50,7 +50,7 @@
FORMAT(soundtool)
FORMAT(sox)
FORMAT(sphere)
FORMAT(svx)
// FORMAT(svx)
FORMAT(txw)
FORMAT(u1)
FORMAT(u2)

Write Preview
Loading…
Cancel
Save