Re: [FFmpeg-user] Problem in v360?

2020-10-28 Thread Michael Koch
Am 23.10.2020 um 17:19 schrieb Michael Koch: Hello, It seems there is a problem in the v360 filter. This command line doesn't rotate the correct point to the image center. The default rotation order should be yaw pitch roll, which means after the rotation the point with azimut 180° and

Re: [FFmpeg-user] Problem in v360?

2020-10-25 Thread Michael Koch
Am 25.10.2020 um 09:05 schrieb Michael Koch: Am 25.10.2020 um 03:02 schrieb Edward Park: Hi, After a deeper look into the quaternion multiplication, it seems to be correct. The terms are only written in a different order in the Wikipedia article. But it's a fact that the v360 rotations are

Re: [FFmpeg-user] Problem in v360?

2020-10-25 Thread Michael Koch
Am 25.10.2020 um 03:02 schrieb Edward Park: Hi, After a deeper look into the quaternion multiplication, it seems to be correct. The terms are only written in a different order in the Wikipedia article. But it's a fact that the v360 rotations are broken, as can be shown by this simple test:

Re: [FFmpeg-user] Problem in v360?

2020-10-24 Thread Edward Park
Hi, > After a deeper look into the quaternion multiplication, it seems to be > correct. The terms are only written in a different order in the Wikipedia > article. > > But it's a fact that the v360 rotations are broken, as can be shown by this > simple test: > You can use any equirectangular

Re: [FFmpeg-user] Problem in v360?

2020-10-24 Thread Michael Koch
Am 24.10.2020 um 11:03 schrieb Michael Koch: Am 23.10.2020 um 18:46 schrieb Michael Koch: Am 23.10.2020 um 17:19 schrieb Michael Koch: Hello, It seems there is a problem in the v360 filter. This command line doesn't rotate the correct point to the image center. The default rotation order

Re: [FFmpeg-user] Problem in v360?

2020-10-24 Thread Michael Koch
Am 23.10.2020 um 18:46 schrieb Michael Koch: Am 23.10.2020 um 17:19 schrieb Michael Koch: Hello, It seems there is a problem in the v360 filter. This command line doesn't rotate the correct point to the image center. The default rotation order should be yaw pitch roll, which means after the

Re: [FFmpeg-user] Problem in v360?

2020-10-23 Thread Michael Koch
Am 23.10.2020 um 17:19 schrieb Michael Koch: Hello, It seems there is a problem in the v360 filter. This command line doesn't rotate the correct point to the image center. The default rotation order should be yaw pitch roll, which means after the rotation the point with azimut 180° and

[FFmpeg-user] Problem in v360?

2020-10-23 Thread Michael Koch
Hello, It seems there is a problem in the v360 filter. This command line doesn't rotate the correct point to the image center. The default rotation order should be yaw pitch roll, which means after the rotation the point with azimut 180° and height +45° should be in the center. It is nearby,