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39 lines
1.6 KiB
Plaintext
39 lines
1.6 KiB
Plaintext
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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module media.mojom;
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import "media/mojo/interfaces/media_types.mojom";
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import "media/mojo/interfaces/video_decode_stats_recorder.mojom";
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import "media/mojo/interfaces/watch_time_recorder.mojom";
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import "mojo/public/mojom/base/time.mojom";
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import "ui/gfx/geometry/mojo/geometry.mojom";
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// Provider interface used to avoid having one time setters on each interface.
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// Each recorder will be stamped with an ID which can be used for linking UKM.
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interface MediaMetricsProvider {
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// Assigns a playback ID and sets up this provider instance with information
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// needed to make UKM reports. No other methods may be called until after
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// Initialize() has been called.
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Initialize(bool is_mse);
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// Called when a playback ends in error. The status is reported to UKM when
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// the provider is destructed.
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OnError(PipelineStatus status);
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// Setters for various one-time lazily generated metrics or properties.
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SetIsEME();
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SetTimeToMetadata(mojo_base.mojom.TimeDelta elapsed);
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SetTimeToFirstFrame(mojo_base.mojom.TimeDelta elapsed);
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SetTimeToPlayReady(mojo_base.mojom.TimeDelta elapsed);
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// Creates a WatchTimeRecorder instance using |properties|. If any of those
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// properties changes, a new recorder should be requested.
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AcquireWatchTimeRecorder(PlaybackProperties properties,
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WatchTimeRecorder& recorder);
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// Creates a VideoDecodeStatsRecorder instance.
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AcquireVideoDecodeStatsRecorder(VideoDecodeStatsRecorder& recorder);
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};
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