Add simplistic HLG->SDR conversion.

Add simplistic HLG->SDR conversion.

BBC recommends simply using gamma 2.4 when displaying HLG content on non-HDR.

Committed: https://crrev.com/c1c464eebdd1bd0228fde61f8f3e88e8f12649d6
Cr-Commit-Position: refs/heads/master@{#419597}

[hubbe, 2016-09-19 19:42:20]

The CQ bit was checked by hubbe@chromium.org to run a CQ dry run

[hubbe, 2016-09-19 19:42:38]

hubbe@chromium.org changed reviewers:
+ ccameron@chromium.org

[commit-bot: I haz the power, 2016-09-19 19:43:21]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-19 20:35:46]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-09-19 20:35:47]

Dry run: This issue passed the CQ dry run.

[ccameron, 2016-09-19 22:13:02]

lgtm

[hubbe, 2016-09-19 22:40:47]

The CQ bit was checked by hubbe@chromium.org

[commit-bot: I haz the power, 2016-09-19 22:41:21]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-19 22:46:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-19 22:50:16]

Description was changed from

==========
Add simplistic HLG->SDR conversion.

BBC recommends simply using gamma 2.4 when displaying HLG content on non-HDR.
==========

to

==========
Add simplistic HLG->SDR conversion.

BBC recommends simply using gamma 2.4 when displaying HLG content on non-HDR.

Committed: https://crrev.com/c1c464eebdd1bd0228fde61f8f3e88e8f12649d6
Cr-Commit-Position: refs/heads/master@{#419597}
==========

[commit-bot: I haz the power, 2016-09-19 22:50:17]

Patchset 1 (id:??) landed as
https://crrev.com/c1c464eebdd1bd0228fde61f8f3e88e8f12649d6
Cr-Commit-Position: refs/heads/master@{#419597}