/usr/include/thunderbird/MediaSourceDecoder.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 MOZILLA_MEDIASOURCEDECODER_H_
#define MOZILLA_MEDIASOURCEDECODER_H_
#include "mozilla/Attributes.h"
#include "nsCOMPtr.h"
#include "nsError.h"
#include "MediaDecoder.h"
#include "MediaSourceReader.h"
class nsIStreamListener;
namespace mozilla {
class MediaResource;
class MediaDecoderStateMachine;
class SourceBufferDecoder;
class TrackBuffer;
enum MSRangeRemovalAction : uint8_t;
namespace dom {
class HTMLMediaElement;
class MediaSource;
} // namespace dom
class MediaSourceDecoder : public MediaDecoder
{
public:
explicit MediaSourceDecoder(dom::HTMLMediaElement* aElement);
virtual MediaDecoder* Clone() override;
virtual MediaDecoderStateMachine* CreateStateMachine() override;
virtual nsresult Load(nsIStreamListener**, MediaDecoder*) override;
virtual nsresult GetSeekable(dom::TimeRanges* aSeekable) override;
virtual void Shutdown() override;
static already_AddRefed<MediaResource> CreateResource(nsIPrincipal* aPrincipal = nullptr);
void AttachMediaSource(dom::MediaSource* aMediaSource);
void DetachMediaSource();
already_AddRefed<SourceBufferDecoder> CreateSubDecoder(const nsACString& aType,
int64_t aTimestampOffset /* microseconds */);
void AddTrackBuffer(TrackBuffer* aTrackBuffer);
void RemoveTrackBuffer(TrackBuffer* aTrackBuffer);
void OnTrackBufferConfigured(TrackBuffer* aTrackBuffer, const MediaInfo& aInfo);
void Ended(bool aEnded);
bool IsExpectingMoreData() override;
// Return the duration of the video in seconds.
virtual double GetDuration() override;
void SetInitialDuration(int64_t aDuration);
void SetMediaSourceDuration(double aDuration, MSRangeRemovalAction aAction);
double GetMediaSourceDuration();
void DurationChanged(double aOldDuration, double aNewDuration);
// Called whenever a TrackBuffer has new data appended or a new decoder
// initializes. Safe to call from any thread.
void NotifyTimeRangesChanged();
// Indicates the point in time at which the reader should consider
// registered TrackBuffers essential for initialization.
void PrepareReaderInitialization();
#ifdef MOZ_EME
virtual nsresult SetCDMProxy(CDMProxy* aProxy) override;
#endif
MediaSourceReader* GetReader() { return mReader; }
// Returns true if aReader is a currently active audio or video
// reader in this decoders MediaSourceReader.
bool IsActiveReader(MediaDecoderReader* aReader);
// Return a decoder from the set available in aTrackDecoders that has data
// available in the range requested by aTarget.
already_AddRefed<SourceBufferDecoder> SelectDecoder(int64_t aTarget /* microseconds */,
int64_t aTolerance /* microseconds */,
const nsTArray<nsRefPtr<SourceBufferDecoder>>& aTrackDecoders);
// Returns a string describing the state of the MediaSource internal
// buffered data. Used for debugging purposes.
void GetMozDebugReaderData(nsAString& aString);
private:
void DoSetMediaSourceDuration(double aDuration);
void ScheduleDurationChange(double aOldDuration,
double aNewDuration,
MSRangeRemovalAction aAction);
// The owning MediaSource holds a strong reference to this decoder, and
// calls Attach/DetachMediaSource on this decoder to set and clear
// mMediaSource.
dom::MediaSource* mMediaSource;
nsRefPtr<MediaSourceReader> mReader;
// Protected by GetReentrantMonitor()
double mMediaSourceDuration;
};
} // namespace mozilla
#endif /* MOZILLA_MEDIASOURCEDECODER_H_ */
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