зеркало из https://github.com/mozilla/gecko-dev.git
67 строки
1.7 KiB
C
67 строки
1.7 KiB
C
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef SEEK_TARGET_H
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#define SEEK_TARGET_H
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#include "TimeUnits.h"
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namespace mozilla {
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enum class MediaDecoderEventVisibility : int8_t {
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Observable,
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Suppressed
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};
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// Stores the seek target; the time to seek to, and whether an Accurate,
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// or "Fast" (nearest keyframe) seek was requested.
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struct SeekTarget {
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enum Type {
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Invalid,
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PrevSyncPoint,
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Accurate
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};
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SeekTarget()
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: mTime(-1.0)
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, mType(SeekTarget::Invalid)
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, mEventVisibility(MediaDecoderEventVisibility::Observable)
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{
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}
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SeekTarget(int64_t aTimeUsecs,
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Type aType,
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MediaDecoderEventVisibility aEventVisibility =
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MediaDecoderEventVisibility::Observable)
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: mTime(aTimeUsecs)
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, mType(aType)
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, mEventVisibility(aEventVisibility)
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{
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}
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SeekTarget(const SeekTarget& aOther)
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: mTime(aOther.mTime)
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, mType(aOther.mType)
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, mEventVisibility(aOther.mEventVisibility)
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{
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}
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bool IsValid() const {
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return mType != SeekTarget::Invalid;
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}
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void Reset() {
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mTime = -1;
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mType = SeekTarget::Invalid;
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}
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// Seek target time in microseconds.
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int64_t mTime;
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// Whether we should seek "Fast", or "Accurate".
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// "Fast" seeks to the seek point preceeding mTime, whereas
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// "Accurate" seeks as close as possible to mTime.
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Type mType;
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MediaDecoderEventVisibility mEventVisibility;
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};
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} // namespace mozilla
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#endif /* SEEK_TARGET_H */
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