mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-06 09:05:45 +00:00
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim:set ts=2 sw=2 sts=2 et cindent: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
#if !defined(OggDecoder_h_)
|
|
#define OggDecoder_h_
|
|
|
|
#include "MediaDecoder.h"
|
|
|
|
namespace mozilla {
|
|
|
|
class OggDecoder : public MediaDecoder
|
|
{
|
|
public:
|
|
explicit OggDecoder(MediaDecoderOwner* aOwner)
|
|
: MediaDecoder(aOwner)
|
|
, mShutdownBitMonitor("mShutdownBitMonitor")
|
|
, mShutdownBit(false)
|
|
{}
|
|
|
|
MediaDecoder* Clone(MediaDecoderOwner* aOwner) override {
|
|
if (!IsOggEnabled()) {
|
|
return nullptr;
|
|
}
|
|
return new OggDecoder(aOwner);
|
|
}
|
|
MediaDecoderStateMachine* CreateStateMachine() override;
|
|
|
|
// For yucky legacy reasons, the ogg decoder needs to do a cross-thread read
|
|
// to check for shutdown while it hogs its own task queue. We don't want to
|
|
// protect the general state with a lock, so we make a special copy and a
|
|
// special-purpose lock. This method may be called on any thread.
|
|
bool IsOggDecoderShutdown() override
|
|
{
|
|
MonitorAutoLock lock(mShutdownBitMonitor);
|
|
return mShutdownBit;
|
|
}
|
|
|
|
protected:
|
|
void ShutdownBitChanged() override
|
|
{
|
|
MonitorAutoLock lock(mShutdownBitMonitor);
|
|
mShutdownBit = mStateMachineIsShutdown;
|
|
}
|
|
|
|
Monitor mShutdownBitMonitor;
|
|
bool mShutdownBit;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif
|