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add aux/headswitch support

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Steve Markgraf 2025-09-09 20:52:45 +02:00
parent bb63558b9d
commit 642de0654d
2 changed files with 30 additions and 23 deletions
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16
src/format_convert.c
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@ -236,6 +236,7 @@ void hsdaoh_unpack_pio_10bit_iq(hsdaoh_dev_t *dev, hsdaoh_data_info_t *data_info
void hsdaoh_unpack_pio_pcm1802_audio(hsdaoh_dev_t *dev, hsdaoh_data_info_t *data_info)
{
unsigned int i;
uint32_t *in = (uint32_t *)data_info->buf;
size_t inlen = data_info->len / sizeof(uint32_t);
@ -243,7 +244,7 @@ void hsdaoh_unpack_pio_pcm1802_audio(hsdaoh_dev_t *dev, hsdaoh_data_info_t *data
uint8_t *out = malloc(inlen * 3);
int j = 0;
for (unsigned int i = 0; i < inlen; i += 2) {
for (i = 0; i < inlen; i += 2) {
out[j++] = in[i+1] & 0xff;
out[j++] = (in[i+1] >> 8) & 0xff;
out[j++] = (in[i+1] >> 16) & 0xff;
@ -259,6 +260,19 @@ void hsdaoh_unpack_pio_pcm1802_audio(hsdaoh_dev_t *dev, hsdaoh_data_info_t *data
data_info->is_signed = true;
data_info->is_float = false;
dev->cb(data_info);
/* extract aux info/headswitch signal */
for (i = 0; i < inlen; i++)
out[i] = in[i] & (1 << 25) ? 0xff : 0;
data_info->stream_id += 2;
data_info->srate *= 2;
data_info->len = inlen;
data_info->bits_per_samp = 8;
data_info->nchans = 1;
data_info->is_signed = false;
dev->cb(data_info);
free(out);
}

37
src/hsdaoh_file.c
View file

@ -24,6 +24,7 @@
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#ifndef _WIN32
#include <unistd.h>
@ -40,7 +41,7 @@
#include "hsdaoh.h"
#define FD_NUMS 4
#define FD_NUMS 6
static bool do_exit = false;
static hsdaoh_dev_t *dev = NULL;
@ -65,7 +66,7 @@ void usage(void)
#ifdef FLAC__STREAM_ENCODER_SET_NUM_THREADS_OK
"\t[-t number of threads for FLAC encoding (default: 4)]\n"
#endif
"\t[-0 to -3 filename of stream 0 to stream 3 (a '-' dumps samples to stdout)]\n"
"\t[-0 to -5 filename of stream 0 to stream 5 (a '-' dumps samples to stdout)]\n"
"\tfilename (of stream 0) (a '-' dumps samples to stdout)\n\n"
"\tFilenames with the extension .flac will enable FLAC encoding\n\n");
exit(1);
@ -232,7 +233,17 @@ int main(int argc, char **argv)
bool fname0_used = false;
bool have_file = false;
while ((opt = getopt(argc, argv, "0:1:2:3:d:b:l:t:")) != -1) {
while ((opt = getopt(argc, argv, "0:1:2:3:4:5:d:b:l:t:")) != -1) {
if (isdigit(opt)) {
int num = opt - 0x30;
have_file = true;
filenames[num] = optarg;
if (num == 0)
fname0_used = true;
continue;
}
switch (opt) {
case 'd':
dev_index = (uint32_t)atoi(optarg);
@ -246,23 +257,6 @@ int main(int argc, char **argv)
case 't':
flac_nthreads = atoi(optarg);
break;
case '0':
fname0_used = true;
have_file = true;
filenames[0] = optarg;
break;
case '1':
have_file = true;
filenames[1] = optarg;
break;
case '2':
have_file = true;
filenames[2] = optarg;
break;
case '3':
have_file = true;
filenames[3] = optarg;
break;
default:
usage();
break;
@ -273,9 +267,8 @@ int main(int argc, char **argv)
if (argc <= optind) {
if (!have_file)
usage();
} else {
} else
filenames[0] = argv[optind];
}
}
if (dev_index < 0)