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Add transformation matrix API.

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.

Vittorio Giovara committed 12 years ago

Commit bddd8cb1 parent 9929b359 files · +179 −1Browse files

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@@ -13,6 +13,14 @@ libavutil: 2013-12-xx · 12 unmodified lines
1313
1414 API changes, most recent first:
1515
16+2014-05-xx - xxxxxxx - lavu 53.15.0 - frame.h, display.h
17+ Add AV_FRAME_DATA_DISPLAYMATRIX for exporting frame-level
18+ spatial rendering on video frames for proper display.
19+
20+2014-05-xx - xxxxxxx - lavc 55.52.0 - avcodec.h
21+ Add AV_PKT_DATA_DISPLAYMATRIX for exporting packet-level
22+ spatial rendering on video frames for proper display.
23+
1624 2014-05-xx - xxxxxxx - lavf 55.17.1 - avformat.h
1725 Deprecate AVStream.pts and the AVFrac struct, which was its only use case.
1826 Those fields were poorly defined and not meant to be public, so there is

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