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  • Vittorio Giovara's avatar
    bddd8cbf
    Add transformation matrix API. · bddd8cbf
    Vittorio Giovara authored 
    
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: default avatarAnton Khirnov <anton@khirnov.net>
    bddd8cbf
    History
    Add transformation matrix API.
    Vittorio Giovara authored 
    
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: default avatarAnton Khirnov <anton@khirnov.net>
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