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40 lines
1.7 KiB
Plaintext
40 lines
1.7 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/content_decryption_module.mojom";
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import "media/mojo/interfaces/media_types.mojom";
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// TODO(xhwang): Use "set" instead of "array" if supported by mojom.
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// TODO(crbug.com/796725) Find a way to include profiles and levels for
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// supported codecs.
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struct KeySystemCapability {
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// Software secure codecs and encryption schemes supported by the CDM.
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array<VideoCodec> video_codecs;
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array<EncryptionMode> encryption_schemes;
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// Hardware secure codecs and encryption schemes supported by the CDM,
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// directly or indirectly through CdmProxy.
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array<VideoCodec> hw_secure_video_codecs;
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array<EncryptionMode> hw_secure_encryption_schemes;
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// Session types supported in software secure mode if no
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// |hw_secure_video_codecs| is supported, or in both modes otherwise.
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array<CdmSessionType> session_types;
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};
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interface KeySystemSupport {
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// Query to determine if the browser supports the |key_system|. If supported,
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// |key_system_capability| is non-null indicating supported capability.
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// KeySystemSupport implementation is in the browser process, as it maintains
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// the list of registered CDMs, and hardware secure support check also needs
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// to run in the browser process because the render process is sandboxed.
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// KeySystemSupport clients run in the renderer process.
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// TODO(crbug.com/853264): Make this an async call.
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[Sync]
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IsKeySystemSupported(string key_system)
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=> (bool is_supported, KeySystemCapability? key_system_capability);
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};
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