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Commit 1474154d authored by Lajos Molnar's avatar Lajos Molnar Committed by Jessica Wagantall
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DO NOT MERGE: IOMX: work against metadata buffer spoofing 

- Prohibit direct set/getParam/Settings for extensions meant for
  OMXNodeInstance alone. This disallows enabling metadata mode
  without the knowledge of OMXNodeInstance.
- Do not share metadata mode buffers cross process.
- Disallow setting up metadata mode/tunneling/input surface
  after first sendCommand. (Except to Idle for OMXCodec quirk.)
- Disallow store-meta for input cross process.
- Disallow emptyBuffer for surface input (via IOMX).
- Fix checking for input surface.

[backported from M]

CYNGNOS-3303
Bug: 29422020
Change-Id: I801c77b80e703903f62e42d76fd2e76a34e4bc8e
parent f2185115
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