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On macOS, this disables loading 3rd-party DAL plugins, which may crash upon use. This relies on the hardened runtime from signed binaries. When the CHILD_PLUGIN option is passed, the runtime is disabled and 3rd-party DAL plugins are allowed. For developers convenience who cannot sign their binaries, an environment variable was identified within the the macOS libraries to achieve a similar effect and skip loading all DAL plugins. This is enabled by the RetryGetVideoCaptureDeviceInfos feature which is also updated accordingly. The feature can now handle a service crash properly and is compiled on all platforms, though only macOS will have at most one retry. On the second attempt, the VideoCaptureService safe-mode will be enabled. Traces of the old RetryCount are removed since the value is unused. Bug: 990381 Change-Id: If042b19006ef4166260941af5485897f65e5e0de Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4209899 Reviewed-by: Arthur Sonzogni <arthursonzogni@chromium.org> Commit-Queue: Florent Castelli <orphis@chromium.org> Reviewed-by: Alexander Alekseev <alemate@chromium.org> Reviewed-by: Tony Herre <toprice@chromium.org> Reviewed-by: Henrik Boström <hbos@chromium.org> Cr-Commit-Position: refs/heads/main@{#1103243}
21 lines
690 B
C++
21 lines
690 B
C++
// Copyright 2023 The Chromium Authors
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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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#ifndef CONTENT_BROWSER_VIDEO_CAPTURE_SERVICE_IMPL_H_
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#define CONTENT_BROWSER_VIDEO_CAPTURE_SERVICE_IMPL_H_
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#include "content/common/content_export.h"
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#include "services/video_capture/public/mojom/video_capture_service.mojom-forward.h"
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namespace content {
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// Enables a safe-mode VideoCaptureService.
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// On macOS, this disables 3rd-party DAL plugins from being loaded.
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// It currently has no effect on other platforms.
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void EnableVideoCaptureServiceSafeMode();
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} // namespace content
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#endif // CONTENT_BROWSER_VIDEO_CAPTURE_SERVICE_IMPL_H_
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