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upload android base code part4

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August 2018-08-08 17:00:29 +08:00
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android/compatibility/cdd/5_multimedia/5_8_secure-media.md Normal file
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## 5.8\. Secure Media
If device implementations support secure video output and are capable of
supporting secure surfaces, they:
* [C-1-1] MUST declare support for `Display.FLAG_SECURE`.
If device implementations declare support for `Display.FLAG_SECURE` and support
wireless display protocol, they:
* [C-2-1] MUST secure the link with a cryptographically strong mechanism such
as HDCP 2.x or higher for the displays connected through wireless protocols
such as Miracast.
If device implementations declare support for `Display.FLAG_SECURE` and
support wired external display, they:
* [C-3-1] MUST support HDCP 1.2 or higher for all wired external displays.
If device implementations are Android Television devices and support 4K
resolution, they:
* [T-1-1] MUST support HDCP 2.2 for all wired external displays.
If Television device implementations don't support 4K resolution, they:
* [T-2-1] MUST support HDCP 1.4 for all wired external displays.
* [T-SR] Television device implementations are STRONGLY RECOMMENDED to
support simulataneous decoding of secure streams. At minimum, simultaneous
decoding of two steams is STRONGLY RECOMMENDED.