static FLAC__StreamEncoderWriteStatus flac_stream_encoder_write_callback(FLAC__StreamEncoder const * const flac, const FLAC__byte buffer[], size_t const bytes, unsigned const samples, unsigned const current_frame, void * const client_data)
{
sox_format_t * const ft = (sox_format_t *) client_data;
(void) flac, (void) samples, (void) current_frame;
return lsx_writebuf(ft, buffer, bytes) == bytes ? FLAC__STREAM_ENCODER_WRITE_STATUS_OK : FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
}
/*
* note! file must be seekable
*/
static int dvms_write_header(sox_format_t * ft, struct dvms_header *hdr)
{
unsigned char hdrbuf[DVMS_HEADER_LEN];
unsigned char *pch = hdrbuf;
unsigned char *pchs = hdrbuf;
int i;
unsigned sum;
memcpy(pch, hdr->Filename, sizeof(hdr->Filename));
pch += sizeof(hdr->Filename);
put16_le(&pch, hdr->Id);
put16_le(&pch, hdr->State);
put32_le(&pch, (unsigned)hdr->Unixtime);
put16_le(&pch, hdr->Usender);
put16_le(&pch, hdr->Ureceiver);
put32_le(&pch, (unsigned) hdr->Length);
put16_le(&pch, hdr->Srate);
put16_le(&pch, hdr->Days);
put16_le(&pch, hdr->Custom1);
put16_le(&pch, hdr->Custom2);
memcpy(pch, hdr->Info, sizeof(hdr->Info));
pch += sizeof(hdr->Info);
memcpy(pch, hdr->extend, sizeof(hdr->extend));
pch += sizeof(hdr->extend);
for(i = sizeof(hdrbuf), sum = 0; i > /*2*/3; i--) /* Deti bug */
sum += *pchs++;
hdr->Crc = sum;
put16_le(&pch, hdr->Crc);
if (lsx_seeki(ft, (off_t)0, SEEK_SET) < 0)
{
lsx_report("seek failed\n: %s",strerror(errno));
return (SOX_EOF);
}
if (lsx_writebuf(ft, hdrbuf, sizeof(hdrbuf)) != sizeof(hdrbuf))
{
lsx_report("%s",strerror(errno));
return (SOX_EOF);
}
return (SOX_SUCCESS);
}
static int startwrite(sox_format_t * ft)
{
priv_t * avr = (priv_t *)ft->priv;
int rc;
if (!ft->seekable) {
lsx_fail_errno(ft,SOX_EOF,"AVR: file is not seekable");
return(SOX_EOF);
}
rc = lsx_rawstartwrite (ft);
if (rc)
return rc;
/* magic */
lsx_writes(ft, AVR_MAGIC);
/* name */
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
lsx_writeb(ft, 0);
/* mono */
if (ft->signal.channels == 1) {
lsx_writew (ft, 0);
}
else if (ft->signal.channels == 2) {
lsx_writew (ft, 0xffff);
}
else {
lsx_fail_errno(ft,SOX_EFMT,"AVR: number of channels not supported");
return(0);
}
/* rez */
if (ft->encoding.bits_per_sample == 8) {
lsx_writew (ft, 8);
}
else if (ft->encoding.bits_per_sample == 16) {
lsx_writew (ft, 16);
}
else {
lsx_fail_errno(ft,SOX_EFMT,"AVR: unsupported sample resolution");
return(SOX_EOF);
}
/* sign */
if (ft->encoding.encoding == SOX_ENCODING_SIGN2) {
lsx_writew (ft, 0xffff);
}
else if (ft->encoding.encoding == SOX_ENCODING_UNSIGNED) {
lsx_writew (ft, 0);
}
else {
lsx_fail_errno(ft,SOX_EFMT,"AVR: unsupported encoding");
return(SOX_EOF);
}
/* loop */
lsx_writew (ft, 0xffff);
/* midi */
lsx_writew (ft, 0xffff);
/* rate */
lsx_writedw(ft, (unsigned)(ft->signal.rate + .5));
/* size */
/* Don't know the size yet. */
lsx_writedw (ft, 0);
/* lbeg */
lsx_writedw (ft, 0);
/* lend */
/* Don't know the size yet, so we can't set lend, either. */
lsx_writedw (ft, 0);
/* res1 */
lsx_writew (ft, 0);
/* res2 */
lsx_writew (ft, 0);
/* res3 */
lsx_writew (ft, 0);
/* ext */
lsx_writebuf(ft, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", sizeof(avr->ext));
/* user */
lsx_writebuf(ft,
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
"\0\0\0\0", sizeof (avr->user));
return(SOX_SUCCESS);
}
