| Value | Meaning |
|---|---|
| AV_SPHERICAL_EQUIRECTANGULAR0 | Video represents a sphere mapped on a flat surface using equirectangular projection. |
| AV_SPHERICAL_CUBEMAP1 | Video frame is split into 6 faces of a cube, and arranged on a 3x2 layout. Faces are oriented upwards for the front, left, right, and back faces. The up face is oriented so the top of the face is forwards and the down face is oriented so the top of the face is to the back. |
| AV_SPHERICAL_EQUIRECTANGULAR_TILE2 | Video represents a portion of a sphere mapped on a flat surface using equirectangular projection. The @ref bounding fields indicate the position of the current video in a larger surface. |
Projection of the video surface(s) on a sphere.