GitHub/dsd-fme
1
0
Fork 0
mirror of https://github.com/lwvmobile/dsd-fme.git synced 2026-11-15 02:07:24 -05:00
Code Issues Packages Projects Releases Wiki Activity

UDP Audio Output -- Initial Setup;

Browse Source
This commit is contained in:
lwvmobile
2023-08-21 15:20:53 -04:00
parent b2f6b158e3
commit 0c86ba29fc
4 changed files with 140 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files

90
src/dsd_rigctl.c
View File

@@ -30,6 +30,8 @@ void error(char *msg) {
exit(0);
}
struct sockaddr_in address;
//
// Connect
//
@@ -281,42 +283,58 @@ void rtl_udp_tune(dsd_opts * opts, dsd_state * state, long int frequency)
close (handle); //close socket after sending.
}
// int udp_sock_con(dsd_opts * opts, dsd_state * state)
// {
// UNUSED(state);
// UNUSED(opts);
int udp_socket_blaster(dsd_opts * opts, dsd_state * state, size_t nsam, void * data)
{
UNUSED(state);
size_t err = 0;
// int handle, err; //convert handle and address to state variables
// handle = err = 0;
// unsigned short udp_port = 9999;
// struct sockaddr_in address;
// handle = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
// if (handle != 0)
// {
// fprintf (stderr, " UDP Socket Error \n");
// return (handle);
// }
// memset((char * ) & address, 0, sizeof(address));
// address.sin_family = AF_INET;
// err = address.sin_addr.s_addr = inet_addr("127.0.0.1"); //make user configurable later
// if (err != 0)
// {
// fprintf (stderr, " UDP inet_addr Error \n");
// return (err);
// }
// address.sin_port = htons(udp_port);
// if (err != 0)
// {
// fprintf (stderr, " UDP htons Error \n");
// return (err);
// }
// // close (handle); //close socket after sending. //leave open for the blaster
// }
//listen with:
// int udp_sock_send(dsd_opts * opts, dsd_state * state, short samp[320])
// {
// UNUSED(state);
// UNUSED(opts);
//short 8k/2
//socat stdio udp-listen:23456 | play -q -b 16 -r 8000 -c2 -t s16 -
// sendto(handle, samp, 320, 0, (const struct sockaddr * ) & address, sizeof(struct sockaddr_in));
// }
//short 48k/2
//socat stdio udp-listen:23456 | play -q -b 16 -r 48000 -c2 -t s16 -
//float 8k/2
//socat stdio udp-listen:23456 | play -q -e float -b 32 -r 8000 -c2 -t f32 -
//float 8k/1
//socat stdio udp-listen:23456 | play -q -e float -b 32 -r 8000 -c1 -t f32 -
//send audio or data to socket
err = sendto(opts->udp_sockfd, data, nsam, 0, (const struct sockaddr * ) & address, sizeof(struct sockaddr_in));
if (err < 0) fprintf (stderr, "\n UDP SENDTO ERR %d", err); //return value here is size_t number of characters sent, or -1 for failure
if (err < nsam) fprintf (stderr, "\n UDP Underflow %d", err); //I'm not even sure if this is possible
}
int udp_socket_connect(dsd_opts * opts, dsd_state * state)
{
UNUSED(state);
UNUSED(opts);
int handle, err; //convert handle and address to state variables
handle = err = 0;
unsigned short udp_port = opts->udp_portno;
opts->udp_sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (opts->udp_sockfd < 0) //is this correct?
{
fprintf (stderr, " UDP Socket Error \n");
return (handle);
}
memset((char * ) & address, 0, sizeof(address));
address.sin_family = AF_INET;
err = address.sin_addr.s_addr = inet_addr(opts->udp_hostname);
if (err < 0)
{
fprintf (stderr, " UDP inet_addr Error \n");
return (err);
}
address.sin_port = htons(udp_port);
if (err < 0)
{
fprintf (stderr, " UDP htons Error \n");
return (err);
}
}