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zuke: support other volume handles, update volume when /dev/audio is opened

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This commit is contained in:
Sigrid Solveig Haflínudóttir 2021-10-26 15:08:35 +00:00
parent de62d32422
commit 8c6daa778a
1 changed files with 73 additions and 50 deletions
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119
sys/src/cmd/audio/zuke/zuke.c
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@ -115,13 +115,83 @@ static int Scrollwidth;
static int Scrollheight;
static int Coversz;
static char *
matchvname(char *s)
{
char *names[] = {"master", "pcm out"};
int i;
for(i = 0; i < nelem(names); i++){
if(strncmp(s, names[i], strlen(names[i])) == 0)
return names[i];
}
return nil;
}
static void
chvolume(int d)
{
int f, l, r, ol, or;
char *s, *a[2], *n;
Biobuf b;
if((f = open("/dev/volume", ORDWR)) < 0)
return;
Binit(&b, f, OREAD);
l = r = 0;
for(; (s = Brdline(&b, '\n')) != nil;){
memset(a, 0, sizeof(a));
if((n = matchvname(s)) != nil && tokenize(s+strlen(n), a, 2) >= 1){
if(a[1] == nil)
a[1] = a[0];
l = ol = atoi(a[0]);
r = or = atoi(a[1]);
for(;;){
l += d;
r += d;
fprint(f, "%s %d %d\n", n, l, r);
Bseek(&b, 0, 0);
for(; (s = Brdline(&b, '\n')) != nil;){
if((n = matchvname(s)) != nil && tokenize(s+strlen(n), a, 2) >= 1){
if(a[1] == nil)
a[1] = a[0];
if(atoi(a[0]) == l && atoi(a[1]) == r)
goto end;
if(atoi(a[0]) != ol && atoi(a[1]) != or)
goto end;
if(l < 0 || r < 0 || l > 100 || r > 100)
goto end;
break;
}
}
}
}
}
end:
volume = (l+r)/2;
if(volume > 100)
volume = 100;
else if(volume < 0)
volume = 0;
Bterm(&b);
close(f);
}
static void
audioon(void)
{
lock(&audiolock);
if(audio < 0 && (audio = open("/dev/audio", OWRITE|OCEXEC)) < 0 && audioerr == 0){
if(audio < 0){
if((audio = open("/dev/audio", OWRITE|OCEXEC)) < 0 && audioerr == 0){
fprint(2, "%r\n");
audioerr = 1;
}else{
chvolume(0);
}
}
unlock(&audiolock);
}
@ -903,53 +973,6 @@ onemore:
}
}
static void
chvolume(int d)
{
int f, l, r, ol, or;
Biobuf b;
char *s, *a[4];
if((f = open("/dev/volume", ORDWR)) < 0)
return;
Binit(&b, f, OREAD);
l = r = 0;
for(; (s = Brdline(&b, '\n')) != nil;){
if(strncmp(s, "master", 6) == 0 && tokenize(s, a, 3) == 3){
l = ol = atoi(a[1]);
r = or = atoi(a[2]);
for(;;){
l += d;
r += d;
fprint(f, "master %d %d\n", l, r);
Bseek(&b, 0, 0);
for(; (s = Brdline(&b, '\n')) != nil;){
if(strncmp(s, "master", 6) == 0 && tokenize(s, a, 3) == 3){
if(atoi(a[1]) == l && atoi(a[2]) == r)
goto end;
if(atoi(a[1]) != ol && atoi(a[2]) != or)
goto end;
if(l < 0 || r < 0 || l > 100 || r > 100)
goto end;
break;
}
}
}
}
}
end:
volume = (l+r)/2;
if(volume > 100)
volume = 100;
else if(volume < 0)
volume = 0;
Bterm(&b);
close(f);
}
static void
toggleshuffle(void)
{