
The matrix provider allows the transformation matrix to be updated for each frame based on the timestamp. The following example effects using this were added to the demo: * a zoom-in transition for the start of the video, * cropping a rotating rectangular frame portion, * rotating the frame around the y-axis in 3D. PiperOrigin-RevId: 439791592
ExoPlayer library
The ExoPlayer library is split into multiple modules. See ExoPlayer's top level README for more information about the available library modules and how to use them.