summaryrefslogtreecommitdiffstats
path: root/dom/media/webaudio/AudioProcessingEvent.h
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/media/webaudio/AudioProcessingEvent.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/media/webaudio/AudioProcessingEvent.h')
-rw-r--r--dom/media/webaudio/AudioProcessingEvent.h85
1 files changed, 85 insertions, 0 deletions
diff --git a/dom/media/webaudio/AudioProcessingEvent.h b/dom/media/webaudio/AudioProcessingEvent.h
new file mode 100644
index 000000000..7b3b54d3e
--- /dev/null
+++ b/dom/media/webaudio/AudioProcessingEvent.h
@@ -0,0 +1,85 @@
+/* -*- 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 AudioProcessingEvent_h_
+#define AudioProcessingEvent_h_
+
+#include "AudioBuffer.h"
+#include "ScriptProcessorNode.h"
+#include "mozilla/dom/Event.h"
+
+namespace mozilla {
+namespace dom {
+
+class AudioProcessingEvent final : public Event
+{
+public:
+ AudioProcessingEvent(ScriptProcessorNode* aOwner,
+ nsPresContext* aPresContext,
+ WidgetEvent* aEvent);
+
+ NS_DECL_ISUPPORTS_INHERITED
+ NS_FORWARD_TO_EVENT
+ NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(AudioProcessingEvent, Event)
+
+ JSObject* WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+ void InitEvent(AudioBuffer* aInputBuffer,
+ uint32_t aNumberOfInputChannels,
+ double aPlaybackTime)
+ {
+ InitEvent(NS_LITERAL_STRING("audioprocess"), false, false);
+ mInputBuffer = aInputBuffer;
+ mNumberOfInputChannels = aNumberOfInputChannels;
+ mPlaybackTime = aPlaybackTime;
+ }
+
+ double PlaybackTime() const
+ {
+ return mPlaybackTime;
+ }
+
+ AudioBuffer* GetInputBuffer(ErrorResult& aRv)
+ {
+ if (!mInputBuffer) {
+ mInputBuffer = LazilyCreateBuffer(mNumberOfInputChannels, aRv);
+ }
+ return mInputBuffer;
+ }
+
+ AudioBuffer* GetOutputBuffer(ErrorResult& aRv)
+ {
+ if (!mOutputBuffer) {
+ mOutputBuffer = LazilyCreateBuffer(mNode->NumberOfOutputChannels(), aRv);
+ }
+ return mOutputBuffer;
+ }
+
+ bool HasOutputBuffer() const
+ {
+ return !!mOutputBuffer;
+ }
+
+protected:
+ virtual ~AudioProcessingEvent();
+
+private:
+ already_AddRefed<AudioBuffer>
+ LazilyCreateBuffer(uint32_t aNumberOfChannels, ErrorResult& rv);
+
+private:
+ double mPlaybackTime;
+ RefPtr<AudioBuffer> mInputBuffer;
+ RefPtr<AudioBuffer> mOutputBuffer;
+ RefPtr<ScriptProcessorNode> mNode;
+ uint32_t mNumberOfInputChannels;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif
+