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Update AUDIO_SETINFO_channels test. 

The kernel limits the number of channels that userland apps can set to
the number of channels supported by the hardware or less.
This commit is contained in:
isaki 2020-02-22 05:53:19 +00:00
parent 0b3fcad9a1
commit a05df8ab92
1 changed files with 55 additions and 6 deletions
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61
tests/dev/audio/audiotest.c
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@ -1,4 +1,4 @@
/* $NetBSD: audiotest.c,v 1.5 2020/02/18 12:11:26 isaki Exp $ */
/* $NetBSD: audiotest.c,v 1.6 2020/02/22 05:53:19 isaki Exp $ */
/*
* Copyright (C) 2019 Tetsuya Isaki. All rights reserved.
@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: audiotest.c,v 1.5 2020/02/18 12:11:26 isaki Exp $");
__RCSID("$NetBSD: audiotest.c,v 1.6 2020/02/22 05:53:19 isaki Exp $");
#include <errno.h>
#include <fcntl.h>
@ -5413,11 +5413,13 @@ DEF(AUDIO_SETINFO_params_simul)
*/
DEF(AUDIO_SETINFO_channels)
{
struct audio_info hwinfo;
struct audio_info ai;
int mode;
int r;
int fd;
int i;
unsigned int ch;
struct {
int ch;
bool expected;
@ -5425,9 +5427,6 @@ DEF(AUDIO_SETINFO_channels)
{ 0, false },
{ 1, true }, /* monaural */
{ 2, true }, /* stereo */
{ 3, true }, /* multi channels */
{ 12, true }, /* upper limit */
{ 13, false },
};
TEST("AUDIO_SETINFO_channels");
@ -5444,8 +5443,12 @@ DEF(AUDIO_SETINFO_channels)
fd = OPEN(devaudio, mode);
REQUIRED_SYS_OK(fd);
/*
* The audio layer always supports monaural and stereo regardless of
* the hardware capability.
*/
for (i = 0; i < (int)__arraycount(table); i++) {
int ch = table[i].ch;
ch = table[i].ch;
bool expected = table[i].expected;
AUDIO_INITINFO(&ai);
@ -5470,6 +5473,52 @@ DEF(AUDIO_SETINFO_channels)
}
}
/*
* The maximum number of supported channels depends the hardware.
*/
/* Get the number of channels that the hardware supports */
r = IOCTL(fd, AUDIO_GETFORMAT, &hwinfo, "");
REQUIRED_SYS_EQ(0, r);
if ((hwinfo.mode & AUMODE_PLAY)) {
DPRINTF(" > hwinfo.play.channels = %d\n",
hwinfo.play.channels);
for (ch = 3; ch <= hwinfo.play.channels; ch++) {
AUDIO_INITINFO(&ai);
ai.play.channels = ch;
r = IOCTL(fd, AUDIO_SETINFO, &ai, "channels=%d", ch);
XP_SYS_EQ(0, r);
r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
XP_SYS_EQ(0, r);
XP_EQ(ch, ai.play.channels);
}
AUDIO_INITINFO(&ai);
ai.play.channels = ch;
r = IOCTL(fd, AUDIO_SETINFO, &ai, "channels=%d", ch);
XP_SYS_NG(EINVAL, r);
}
if ((hwinfo.mode & AUMODE_RECORD)) {
DPRINTF(" > hwinfo.record.channels = %d\n",
hwinfo.record.channels);
for (ch = 3; ch <= hwinfo.record.channels; ch++) {
AUDIO_INITINFO(&ai);
ai.record.channels = ch;
r = IOCTL(fd, AUDIO_SETINFO, &ai, "channels=%d", ch);
XP_SYS_EQ(0, r);
r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
XP_SYS_EQ(0, r);
XP_EQ(ch, ai.record.channels);
}
AUDIO_INITINFO(&ai);
ai.record.channels = ch;
r = IOCTL(fd, AUDIO_SETINFO, &ai, "channels=%d", ch);
XP_SYS_NG(EINVAL, r);
}
r = CLOSE(fd);
XP_SYS_EQ(0, r);
}