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49 lines
1.8 KiB
Plaintext
49 lines
1.8 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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// Media parsing interface provided by the utility process and exposed by
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// mojo policy control to the chrome browser process.
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module extensions.mojom;
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import "mojo/common/file.mojom";
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import "mojo/common/time.mojom";
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import "mojo/common/values.mojom";
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interface MediaParser {
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// Extract metadata from a |mime_type| blob of data of |total_size| and
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// available from the browser process via |media_data_source|. If there
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// are images referred to in the metadata, and |get_attached_images| is
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// true, return the images in |attached_images|.
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ParseMediaMetadata(string mime_type,
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int64 total_size,
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bool get_attached_images,
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MediaDataSource media_data_source)
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=> (bool parse_success,
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mojo.common.mojom.DictionaryValue metadata,
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array<AttachedImage> attached_images);
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// Validate the passed media file with sanity checks, and file decoding
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// for at most |decode_time| wall clock time. Returns |success| true if
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// |file| appears to be a well-formed media file, false otherwise.
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// Note: it is still not safe to decode the file in the browser process
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// after this check.
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CheckMediaFile(mojo.common.mojom.TimeDelta decode_time,
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mojo.common.mojom.File file)
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=> (bool success);
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};
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interface MediaDataSource {
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// ParseMediaMetadata interface used to read blob data for parsing from
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// the browser process.
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ReadBlob(int64 position, int64 length) => (array<uint8> data);
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};
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struct AttachedImage {
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// If ParseMediaMetadata returns attached images, each of the images is
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// returned in an AttachedImage object.
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string type;
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array<uint8> data;
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};
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