virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-11-23 21:54:53 +02:00
Code Issues Releases Activity

Add transformation matrix API.

Browse Source 
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
2014-05-15 22:06:49 -04:00
committed by Anton Khirnov
parent 9929b3564c
commit bddd8cbf68
9 changed files with 179 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
doc/APIchanges
View File

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