Commit db95aa25 authored by Max Kellermann's avatar Max Kellermann

output/Control: pass "force" flag to LockUpdate()

Reduce overhead by eliminating MultipleOutputs::ResetReopen().
parent 982d1bf6
......@@ -383,10 +383,12 @@ public:
* Opens or closes the device, depending on the "enabled"
* flag.
*
* @param force true to ignore the #fail_timer
* @return true if the device is open
*/
bool LockUpdate(const AudioFormat audio_format,
const MusicPipe &mp);
const MusicPipe &mp,
bool force);
void LockPlay();
......
......@@ -145,23 +145,8 @@ MultipleOutputs::AllowPlay()
ao->LockAllowPlay();
}
static void
audio_output_reset_reopen(AudioOutput *ao)
{
const ScopeLock protect(ao->mutex);
ao->fail_timer.Reset();
}
void
MultipleOutputs::ResetReopen()
{
for (auto ao : outputs)
audio_output_reset_reopen(ao);
}
bool
MultipleOutputs::Update()
MultipleOutputs::Update(bool force)
{
bool ret = false;
......@@ -169,7 +154,7 @@ MultipleOutputs::Update()
return false;
for (auto ao : outputs)
ret = ao->LockUpdate(input_audio_format, *pipe)
ret = ao->LockUpdate(input_audio_format, *pipe, force)
|| ret;
return ret;
......@@ -190,7 +175,7 @@ MultipleOutputs::Play(MusicChunk *chunk)
assert(chunk != nullptr);
assert(chunk->CheckFormat(input_audio_format));
if (!Update())
if (!Update(false))
/* TODO: obtain real error */
throw std::runtime_error("Failed to open audio output");
......@@ -224,9 +209,8 @@ MultipleOutputs::Open(const AudioFormat audio_format,
input_audio_format = audio_format;
ResetReopen();
EnableDisable();
Update();
Update(true);
std::exception_ptr first_error;
......@@ -341,7 +325,7 @@ MultipleOutputs::Check()
void
MultipleOutputs::Pause()
{
Update();
Update(false);
for (auto ao : outputs)
ao->LockPauseAsync();
......
......@@ -237,19 +237,12 @@ private:
void AllowPlay();
/**
* Resets the "reopen" flag on all audio devices. MPD should
* immediately retry to open the device instead of waiting for
* the timeout when the user wants to start playback.
*/
void ResetReopen();
/**
* Opens all output devices which are enabled, but closed.
*
* @return true if there is at least open output device which
* is open
*/
bool Update();
bool Update(bool force);
/**
* Has this chunk been consumed by all audio outputs?
......
......@@ -159,12 +159,13 @@ AudioOutput::CloseWait()
bool
AudioOutput::LockUpdate(const AudioFormat audio_format,
const MusicPipe &mp)
const MusicPipe &mp,
bool force)
{
const ScopeLock protect(mutex);
if (enabled && really_enabled) {
if (!fail_timer.IsDefined() ||
if (force || !fail_timer.IsDefined() ||
fail_timer.Check(REOPEN_AFTER * 1000)) {
return Open(audio_format, mp);
}
......
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