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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/media/mediasource/SourceBufferAttributes.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/mediasource/SourceBufferAttributes.h')
-rw-r--r--dom/media/mediasource/SourceBufferAttributes.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/dom/media/mediasource/SourceBufferAttributes.h b/dom/media/mediasource/SourceBufferAttributes.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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_SourceBufferAttributes_h_
+#define mozilla_SourceBufferAttributes_h_
+
+#include "TimeUnits.h"
+#include "mozilla/dom/SourceBufferBinding.h"
+#include "mozilla/Maybe.h"
+
+namespace mozilla {
+
+class SourceBufferAttributes {
+ public:
+ // Current state as per Segment Parser Loop Algorithm
+ // http://w3c.github.io/media-source/index.html#sourcebuffer-segment-parser-loop
+ enum class AppendState {
+ WAITING_FOR_SEGMENT,
+ PARSING_INIT_SEGMENT,
+ PARSING_MEDIA_SEGMENT,
+ };
+
+ explicit SourceBufferAttributes(bool aGenerateTimestamp)
+ : mGenerateTimestamps(aGenerateTimestamp),
+ mAppendWindowStart(0),
+ mAppendWindowEnd(PositiveInfinity<double>()),
+ mAppendMode(dom::SourceBufferAppendMode::Segments),
+ mApparentTimestampOffset(0),
+ mAppendState(AppendState::WAITING_FOR_SEGMENT) {}
+
+ SourceBufferAttributes(const SourceBufferAttributes& aOther) = default;
+
+ double GetAppendWindowStart() const { return mAppendWindowStart; }
+
+ double GetAppendWindowEnd() const { return mAppendWindowEnd; }
+
+ void SetAppendWindowStart(double aWindowStart) {
+ mAppendWindowStart = aWindowStart;
+ }
+
+ void SetAppendWindowEnd(double aWindowEnd) { mAppendWindowEnd = aWindowEnd; }
+
+ double GetApparentTimestampOffset() const { return mApparentTimestampOffset; }
+
+ void SetApparentTimestampOffset(double aTimestampOffset) {
+ mApparentTimestampOffset = aTimestampOffset;
+ mTimestampOffset = media::TimeUnit::FromSeconds(aTimestampOffset);
+ }
+
+ media::TimeUnit GetTimestampOffset() const { return mTimestampOffset; }
+
+ void SetTimestampOffset(const media::TimeUnit& aTimestampOffset) {
+ mTimestampOffset = aTimestampOffset;
+ mApparentTimestampOffset = aTimestampOffset.ToSeconds();
+ }
+
+ dom::SourceBufferAppendMode GetAppendMode() const { return mAppendMode; }
+
+ void SetAppendMode(dom::SourceBufferAppendMode aAppendMode) {
+ mAppendMode = aAppendMode;
+ }
+
+ void SetGroupStartTimestamp(const media::TimeUnit& aGroupStartTimestamp) {
+ mGroupStartTimestamp = Some(aGroupStartTimestamp);
+ }
+
+ media::TimeUnit GetGroupStartTimestamp() const {
+ return mGroupStartTimestamp.ref();
+ }
+
+ bool HaveGroupStartTimestamp() const { return mGroupStartTimestamp.isSome(); }
+
+ void ResetGroupStartTimestamp() { mGroupStartTimestamp.reset(); }
+
+ void RestartGroupStartTimestamp() {
+ mGroupStartTimestamp = Some(mGroupEndTimestamp);
+ }
+
+ media::TimeUnit GetGroupEndTimestamp() const { return mGroupEndTimestamp; }
+
+ void SetGroupEndTimestamp(const media::TimeUnit& aGroupEndTimestamp) {
+ mGroupEndTimestamp = aGroupEndTimestamp;
+ }
+
+ AppendState GetAppendState() const { return mAppendState; }
+
+ void SetAppendState(AppendState aState) { mAppendState = aState; }
+
+ // mGenerateTimestamp isn't mutable once the source buffer has been
+ // constructed
+ bool mGenerateTimestamps;
+
+ SourceBufferAttributes& operator=(const SourceBufferAttributes& aOther) =
+ default;
+
+ private:
+ SourceBufferAttributes() = delete;
+
+ double mAppendWindowStart;
+ double mAppendWindowEnd;
+ dom::SourceBufferAppendMode mAppendMode;
+ double mApparentTimestampOffset;
+ media::TimeUnit mTimestampOffset;
+ Maybe<media::TimeUnit> mGroupStartTimestamp;
+ media::TimeUnit mGroupEndTimestamp;
+ // The current append state as per
+ // https://w3c.github.io/media-source/#sourcebuffer-append-state
+ AppendState mAppendState;
+};
+
+} // end namespace mozilla
+
+#endif /* mozilla_SourceBufferAttributes_h_ */