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98 lines
3.7 KiB
Plaintext
98 lines
3.7 KiB
Plaintext
// Copyright 2014 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/demuxer_stream.mojom";
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import "media/mojo/interfaces/media_types.mojom";
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import "mojo/common/time.mojom";
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import "mojo/common/unguessable_token.mojom";
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import "ui/gfx/geometry/mojo/geometry.mojom";
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import "url/mojo/url.mojom";
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interface Renderer {
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// Initializes the Renderer with either one or more audio / video |streams|,
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// or a |media_url| executing the callback with whether the initialization
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// succeeded.
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Initialize(associated RendererClient client,
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array<DemuxerStream>? streams,
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url.mojom.Url? media_url,
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url.mojom.Url? first_party_for_cookies) => (bool success);
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// Discards any buffered data, executing callback when completed.
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// NOTE: If an error occurs, RendererClient::OnError() can be called
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// before the callback is executed.
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Flush() => ();
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// Starts rendering from |time|.
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StartPlayingFrom(mojo.common.mojom.TimeDelta time);
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// Updates the current playback rate. The default playback rate should be 1.
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SetPlaybackRate(double playback_rate);
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// Sets the output volume. The default volume should be 1.
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SetVolume(float volume);
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// Attaches the CDM associated with |cdm_id| to the renderer service,
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// executing the callback with whether the CDM was successfully attached.
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SetCdm(int32 cdm_id) => (bool success);
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// Registers a new request in the ScopedSurfaceRequestManager, and returns
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// its token.
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//
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// NOTE: Should only be called on Android. Only used for WMPI's fallback path
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// (i.e. HLS playback), when the MojoRendererService wraps a
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// content::MediaPlayerRenderer.
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// Unexpected calls to this method will close the connection.
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InitiateScopedSurfaceRequest()
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=> (mojo.common.mojom.UnguessableToken request_token);
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};
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interface RendererClient {
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// Called to report media time advancement by |time|.
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// |time| and |max_time| can be used to interpolate time between
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// calls to OnTimeUpdate().
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// |max_time| is typically the media timestamp of the last audio frame
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// buffered by the audio hardware.
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// |capture_time| is monotonic clock time at which the times were captured.
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// |max_time| must be greater or equal to |time|.
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OnTimeUpdate(mojo.common.mojom.TimeDelta time,
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mojo.common.mojom.TimeDelta max_time,
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mojo.common.mojom.TimeTicks capture_time);
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// Called to report buffering state changes, see media_types.mojom.
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OnBufferingStateChange(BufferingState state);
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// Executed when rendering has reached the end of stream.
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OnEnded();
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// Executed if any error was encountered during decode or rendering. If
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// this error happens during an operation that has a completion callback,
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// OnError() will be called before firing the completion callback.
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OnError();
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// Executed whenever DemuxerStream status returns kConfigChange. Initial
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// configs provided by OnMetadata.
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OnAudioConfigChange(AudioDecoderConfig config);
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OnVideoConfigChange(VideoDecoderConfig config);
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// Executed for the first video frame and whenever natural size changes.
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OnVideoNaturalSizeChange(gfx.mojom.Size size);
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// Executed for the first video frame and whenever opacity changes.
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OnVideoOpacityChange(bool opaque);
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// Called periodically to pass statistics to the web player. See
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// media_types.mojom.
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OnStatisticsUpdate(PipelineStatistics stats);
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// Called when the remote renderering service is waiting on the decryption
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// key.
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OnWaitingForDecryptionKey();
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// Executed the first time the metadata is updated, and whenever the duration
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// changes.
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OnDurationChange(mojo.common.mojom.TimeDelta duration);
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};
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