SUN audio

[Jan Stary <hans@stare.cz>]

Dear all,

one of the audio outputs SoX supports is sunaudio.
Are there any SunOS (Solaris) users of SoX?
(Assuming there are still users of Solaris at all.)

I have remote access to this one SunOS 5.11 box,
which has no audio HW and no /dev/audio,
so I have no way to tell whether sunaudio works.

Below please find a micro program I use to detect
the presence of SUN audio: if this compiles, runs
and returns zero, you have a working sunaudio;
if any of that fails, you don't.

If you are running the new build system
https://github.com/janstary/sox/tree/build
(please test on every system you use SoX on)
it is already in,

https://github.com/janstary/sox/commit/d4e4f6997bd5d8803d6a245743edd538b06bfe48
https://github.com/janstary/sox/issues/17

so ./configure will run this for you: look at the sunaudio line,
and if it fails, look for sunaudio in config.log

If you are not running the new build system,
you can compile this separately (no extra lib needed).

As for sunaudio.c itself, is has last been touched in 2020
fixing a size bug, and in 2012 before that. Granted, both
Solaris and Sun Microsystems were already dead by then,
so perhaps nothing has changed, but please confirm
explicitly whether sun audio (both the detection
and the driver) works for you.

	Thank you

		Jan

#include <sys/audioio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>

int
main(void)
{
	int device;
	audio_info_t info;

	if ((device = open("/dev/audio", O_RDONLY)) == -1)
		return 1;

	if (ioctl(device, AUDIO_GETINFO, &info) == -1)
		return 1;

	info.record.encoding = AUDIO_ENCODING_ULAW;
	info.record.sample_rate = 8000;
	info.record.precision = 8;
	info.record.channels = 1;

	if (ioctl(device, AUDIO_SETINFO, &info) == -1)
		return 1;

	return 0;
}


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