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Add transformation matrix API.

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Add AV_PKT_DATA_DISPLAYMATRIX and AV_FRAME_DATA_DISPLAYMATRIX as stream and
frame side data (respectively) to describe a display transformation matrix
for linear transformation operations on the decoded video.

Add functions to easily extract a rotation angle from a matrix and
conversely to setup a matrix for a given rotation angle.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Vittorio Giovara
2014-05-19 13:13:10 +02:00
committed by Anton Khirnov
parent 9929b3564c
commit bddd8cbf68
9 changed files with 179 additions and 1 deletions
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@@ -26,6 +26,7 @@ version <next>:
- support for decoding through DXVA2 in avconv
- libbs2b-based stereo-to-binaural audio filter
- native Opus decoder
- display matrix export and rotation api
version 10: