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Don't kill the player process (and effectively the decode process) when

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completely stopped.  Instead, send them SIGSTOP to pause the process until
they're needed again.  Then send them SIGCONT instead of re-spawning them.

git-svn-id: https://svn.musicpd.org/mpd/trunk@6485 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
J. Alexander Treuman
2007-06-04 22:29:55 +00:00
parent 4734a2e2b4
commit 89eca9eebc
5 changed files with 36 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/decode.c
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@@ -75,6 +75,8 @@ static void stopDecode(DecoderControl * dc)
static void quitDecode(PlayerControl * pc, DecoderControl * dc)
{
int pid;
stopDecode(dc);
pc->state = PLAYER_STATE_STOP;
dc->seek = 0;
@@ -82,6 +84,10 @@ static void quitDecode(PlayerControl * pc, DecoderControl * dc)
pc->stop = 0;
pc->pause = 0;
kill(getppid(), SIGUSR1);
pid = decode_pid;
if (pid > 0)
kill(pid, SIGSTOP);
}
static int calculateCrossFadeChunks(PlayerControl * pc, AudioFormat * af)
@@ -396,6 +402,14 @@ static void decodeStart(PlayerControl * pc, OutputBuffer * cb,
static int decoderInit(PlayerControl * pc, OutputBuffer * cb,
DecoderControl * dc)
{
int pid;
pid = decode_pid;
if (pid > 0) {
kill(pid, SIGCONT);
return 0;
}
blockSignals();
getPlayerData()->playerControl.decode_pid = 0;
decode_pid = fork();
@@ -691,10 +705,8 @@ void decode(void)
dc->stop = 0;
dc->start = 1;
if (decode_pid <= 0) {
if (decoderInit(pc, cb, dc) < 0)
return;
}
if (decoderInit(pc, cb, dc) < 0)
return;
decodeParent(pc, dc, cb);
}