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-rw-r--r--dom/media/encoder/EncodedFrame.h64
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diff --git a/dom/media/encoder/EncodedFrame.h b/dom/media/encoder/EncodedFrame.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
+/* 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 EncodedFrame_h_
+#define EncodedFrame_h_
+
+#include "nsISupportsImpl.h"
+#include "mozilla/media/MediaUtils.h"
+#include "TimeUnits.h"
+#include "VideoUtils.h"
+
+namespace mozilla {
+
+// Represent an encoded frame emitted by an encoder
+class EncodedFrame final {
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(EncodedFrame)
+ public:
+ enum FrameType {
+ VP8_I_FRAME, // VP8 intraframe
+ VP8_P_FRAME, // VP8 predicted frame
+ OPUS_AUDIO_FRAME, // Opus audio frame
+ UNKNOWN // FrameType not set
+ };
+ using ConstFrameData = const media::Refcountable<nsTArray<uint8_t>>;
+ using FrameData = media::Refcountable<nsTArray<uint8_t>>;
+ EncodedFrame(const media::TimeUnit& aTime, uint64_t aDuration,
+ uint64_t aDurationBase, FrameType aFrameType,
+ RefPtr<ConstFrameData> aData)
+ : mTime(aTime),
+ mDuration(aDuration),
+ mDurationBase(aDurationBase),
+ mFrameType(aFrameType),
+ mFrameData(std::move(aData)) {
+ MOZ_ASSERT(mFrameData);
+ MOZ_ASSERT_IF(mFrameType == VP8_I_FRAME, mDurationBase == PR_USEC_PER_SEC);
+ MOZ_ASSERT_IF(mFrameType == VP8_P_FRAME, mDurationBase == PR_USEC_PER_SEC);
+ MOZ_ASSERT_IF(mFrameType == OPUS_AUDIO_FRAME, mDurationBase == 48000);
+ }
+ // Timestamp in microseconds
+ const media::TimeUnit mTime;
+ // The playback duration of this packet in mDurationBase.
+ const uint64_t mDuration;
+ // The time base of mDuration.
+ const uint64_t mDurationBase;
+ // Represent what is in the FrameData
+ const FrameType mFrameType;
+ // Encoded data
+ const RefPtr<ConstFrameData> mFrameData;
+
+ // The end time of the frame in microseconds.
+ media::TimeUnit GetEndTime() const {
+ return mTime + media::TimeUnit(mDuration, mDurationBase);
+ }
+
+ private:
+ // Private destructor, to discourage deletion outside of Release():
+ ~EncodedFrame() = default;
+};
+
+} // namespace mozilla
+
+#endif // EncodedFrame_h_