gecko/content/media/webaudio/AudioDestinationNode.h
Karl Tomlinson 0a09f0a607 b=914030 shut down an AudioDestinationNode's graph on destruction, if not already r=ehsan
This means that the graph will be shutdown properly, even if the
AudioDestinationNode is unlinked before AudioContext::Shutdown() is called.

Making MediaStreamGraph::DestroyNonRealtimeInstance() idempotent also makes
AudioContext::Shutdown() idempotent.

--HG--
extra : transplant_source : jZ%86%C5%C2n%17%EF%C2%C0y%ED%14%0E%17_dt%0C%07
2013-09-10 17:05:22 +12:00

60 lines
1.4 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/. */
#ifndef AudioDestinationNode_h_
#define AudioDestinationNode_h_
#include "AudioNode.h"
namespace mozilla {
namespace dom {
class AudioContext;
class AudioDestinationNode : public AudioNode
{
public:
// This node type knows what MediaStreamGraph to use based on
// whether it's in offline mode.
AudioDestinationNode(AudioContext* aContext,
bool aIsOffline,
uint32_t aNumberOfChannels = 0,
uint32_t aLength = 0,
float aSampleRate = 0.0f);
virtual void DestroyMediaStream() MOZ_OVERRIDE;
NS_DECL_ISUPPORTS_INHERITED
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
virtual uint16_t NumberOfOutputs() const MOZ_FINAL MOZ_OVERRIDE
{
return 0;
}
uint32_t MaxChannelCount() const;
virtual void SetChannelCount(uint32_t aChannelCount,
ErrorResult& aRv) MOZ_OVERRIDE;
void Mute();
void Unmute();
void StartRendering();
void DestroyGraph();
private:
uint32_t mFramesToProduce;
};
}
}
#endif