According to the documentation, the ISOBMFF 'equi' box must
be present for equirectangular projections.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavformat/matroskaenc.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 8c10a8c133..38d9485288 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -1305,17 +1305,21 @@ static void mkv_write_video_projection(AVFormatContext
*s, EbmlWriter *writer,
switch (spherical->projection) {
case AV_SPHERICAL_EQUIRECTANGULAR:
- ebml_writer_add_uint(writer, MATROSKA_ID_VIDEOPROJECTIONTYPE,
- MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR);
- break;
case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
ebml_writer_add_uint(writer, MATROSKA_ID_VIDEOPROJECTIONTYPE,
MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR);
AV_WB32(private, 0); // version + flags
- AV_WB32(private + 4, spherical->bound_top);
- AV_WB32(private + 8, spherical->bound_bottom);
- AV_WB32(private + 12, spherical->bound_left);
- AV_WB32(private + 16, spherical->bound_right);
+ if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR) {
+ AV_WB32(private + 4, 0);
+ AV_WB32(private + 8, 0);
+ AV_WB32(private + 12, 0);
+ AV_WB32(private + 16, 0);
+ } else {
+ AV_WB32(private + 4, spherical->bound_top);
+ AV_WB32(private + 8, spherical->bound_bottom);
+ AV_WB32(private + 12, spherical->bound_left);
+ AV_WB32(private + 16, spherical->bound_right);
+ }
ebml_writer_add_bin(writer, MATROSKA_ID_VIDEOPROJECTIONPRIVATE,
private, 20);
break;
--
2.32.0
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