On 6/10/2024 3:44 PM, Derek Buitenhuis wrote:
These originate from the Apple Vision Pro, and are documented here:
https://developer.apple.com/documentation/coremedia/cmprojectiontype
Signed-off-by: Derek Buitenhuis <derek.buitenh...@gmail.com>
---
libavutil/spherical.c | 3 +++
libavutil/spherical.h | 16 ++++++++++++++++
2 files changed, 19 insertions(+)
diff --git a/libavutil/spherical.c b/libavutil/spherical.c
index 800d3459a5..d78f98f945 100644
--- a/libavutil/spherical.c
+++ b/libavutil/spherical.c
@@ -57,6 +57,9 @@ static const char *const spherical_projection_names[] = {
[AV_SPHERICAL_EQUIRECTANGULAR] = "equirectangular",
[AV_SPHERICAL_CUBEMAP] = "cubemap",
[AV_SPHERICAL_EQUIRECTANGULAR_TILE] = "tiled equirectangular",
+ [AV_SPHERICAL_HALF_EQUIRECTANGULAR] = "half equirectangular",
+ [AV_SPHERICAL_RECTANGULAR] = "rectangular",
+ [AV_SPHERICAL_FISHEYE] = "fisheye",
};
const char *av_spherical_projection_name(enum AVSphericalProjection projection)
diff --git a/libavutil/spherical.h b/libavutil/spherical.h
index 828ac836da..118fbcc3d1 100644
--- a/libavutil/spherical.h
+++ b/libavutil/spherical.h
@@ -66,6 +66,22 @@ enum AVSphericalProjection {
* the position of the current video in a larger surface.
*/
AV_SPHERICAL_EQUIRECTANGULAR_TILE,
+
+ /**
+ * Video frame displays as a 180 degree equirectangular projection.
+ */
+ AV_SPHERICAL_HALF_EQUIRECTANGULAR,
+
+ /**
+ * Video contentframe displays on a flat, rectangular 2D surface.
+ */
+ AV_SPHERICAL_RECTANGULAR,
This should ideally be the enum with value 0, but until next major when
such a change can happen, it would be IMO a good idea if you set
spherical->projection to AV_SPHERICAL_RECTANGULAR in av_spherical_alloc().
+
+ /**
+ * Fisheye projection (Apple).
+ * See:
https://developer.apple.com/documentation/coremedia/cmprojectiontype/fisheye
+ */
+ AV_SPHERICAL_FISHEYE,
};
/**
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