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player/Thread: ProcessCommand() returns bool

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Allows signalling a failed seek, and replaces several redundant
command checks after the ProcessCommand() call.
This commit is contained in:
Max Kellermann 2017-12-28 08:30:01 +01:00
parent 8838bdc1e3
commit e1349ccadc
1 changed files with 13 additions and 13 deletions
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26
src/player/Thread.cxx
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@ -339,8 +339,10 @@ private:
/**
* Player lock must be held before calling.
*
* @return false to stop playback
*/
void ProcessCommand() noexcept;
bool ProcessCommand() noexcept;
/**
* This is called at the border between two songs: the audio output
@ -673,15 +675,17 @@ Player::SeekDecoder() noexcept
return true;
}
inline void
inline bool
Player::ProcessCommand() noexcept
{
switch (pc.command) {
case PlayerCommand::NONE:
break;
case PlayerCommand::STOP:
case PlayerCommand::EXIT:
case PlayerCommand::CLOSE_AUDIO:
break;
return false;
case PlayerCommand::UPDATE_AUDIO:
{
@ -724,17 +728,14 @@ Player::ProcessCommand() noexcept
break;
case PlayerCommand::SEEK:
SeekDecoder();
break;
return SeekDecoder();
case PlayerCommand::CANCEL:
if (pc.next_song == nullptr) {
if (pc.next_song == nullptr)
/* the cancel request arrived too late, we're
already playing the queued song... stop
everything now */
pc.command = PlayerCommand::STOP;
return;
}
return false;
if (IsDecoderAtNextSong())
/* the decoder is already decoding the song -
@ -759,6 +760,8 @@ Player::ProcessCommand() noexcept
pc.CommandFinished();
break;
}
return true;
}
static void
@ -986,10 +989,7 @@ Player::Run() noexcept
pc.CommandFinished();
while (true) {
ProcessCommand();
if (pc.command == PlayerCommand::STOP ||
pc.command == PlayerCommand::EXIT ||
pc.command == PlayerCommand::CLOSE_AUDIO) {
if (!ProcessCommand()) {
const ScopeUnlock unlock(pc.mutex);
pc.outputs.Cancel();
break;