Re: [FFmpeg-user] V360 stabilization

2022-11-03 Thread Michael Koch
Am 03.11.2022 um 10:10 schrieb Paul B Mahol: Your book is full or factual errors, Notice to anyone: do not use this thing for anything serious. Thank you for so much promotion for my book. Sure, it's likely that in more than 900 pages there are a few errors. We all make errors. If anyone finds

Re: [FFmpeg-user] V360 stabilization

2022-11-03 Thread Michael Koch
Am 03.11.2022 um 10:10 schrieb Paul B Mahol: On 11/3/22, Michael Koch wrote: Am 03.11.2022 um 09:35 schrieb Paul B Mahol: On 10/11/20, Michael Koch wrote: Am 29.09.2020 um 22:54 schrieb Michael Koch: Hello all, I've programmed a C# workaround for stabilization of 360° videos. The

Re: [FFmpeg-user] V360 stabilization

2022-11-03 Thread Paul B Mahol
On 11/3/22, Michael Koch wrote: > Am 03.11.2022 um 09:35 schrieb Paul B Mahol: >> On 10/11/20, Michael Koch wrote: >>> Am 29.09.2020 um 22:54 schrieb Michael Koch: Hello all, I've programmed a C# workaround for stabilization of 360° videos. The procedure is as follows:

Re: [FFmpeg-user] V360 stabilization

2022-11-03 Thread Michael Koch
Am 03.11.2022 um 09:35 schrieb Paul B Mahol: On 10/11/20, Michael Koch wrote: Am 29.09.2020 um 22:54 schrieb Michael Koch: Hello all, I've programmed a C# workaround for stabilization of 360° videos. The procedure is as follows: 1. FFmpeg: From each frame of the equirectangular input video,

Re: [FFmpeg-user] V360 stabilization

2022-11-03 Thread Paul B Mahol
On 10/11/20, Michael Koch wrote: > Am 29.09.2020 um 22:54 schrieb Michael Koch: >> Hello all, >> >> I've programmed a C# workaround for stabilization of 360° videos. The >> procedure is as follows: >> >> 1. FFmpeg: From each frame of the equirectangular input video, extract >> two small images

Re: [FFmpeg-user] V360 stabilization

2020-10-11 Thread Michael Koch
Am 29.09.2020 um 22:54 schrieb Michael Koch: Hello all, I've programmed a C# workaround for stabilization of 360° videos. The procedure is as follows: 1. FFmpeg: From each frame of the equirectangular input video, extract two small images which are 90° apart in the input video. I call them

Re: [FFmpeg-user] V360 stabilization

2020-10-03 Thread Michael Koch
Am 03.10.2020 um 13:25 schrieb Paul B Mahol: On Sat, Oct 03, 2020 at 08:27:20AM +0200, Michael Koch wrote: Use correct player like mpv, which does not ignore color_trc. A player? The output is a jpg image and it's too dark. Yes, player, ffmpeg is not correct in conversion. Because swscale is

Re: [FFmpeg-user] V360 stabilization

2020-10-03 Thread Paul B Mahol
On Sat, Oct 03, 2020 at 08:27:20AM +0200, Michael Koch wrote: > > > > > > Use correct player like mpv, which does not ignore color_trc. > > > > A player? The output is a jpg image and it's too dark. > > > Yes, player, ffmpeg is not correct in conversion. Because swscale is old > > > and ignores

Re: [FFmpeg-user] V360 stabilization

2020-10-03 Thread Michael Koch
Use correct player like mpv, which does not ignore color_trc. A player? The output is a jpg image and it's too dark. Yes, player, ffmpeg is not correct in conversion. Because swscale is old and ignores color_trc metadata that is required for correct display. Use zscale instead for converting

Re: [FFmpeg-user] V360 stabilization

2020-10-02 Thread Michael Koch
Am 02.10.2020 um 22:01 schrieb Paul B Mahol: Use correct player like mpv, which does not ignore color_trc. A player? The output is a jpg image and it's too dark. Yes, player, ffmpeg is not correct in conversion. Because swscale is old and ignores color_trc metadata that is required for

Re: [FFmpeg-user] V360 stabilization

2020-10-02 Thread Paul B Mahol
On Fri, Oct 02, 2020 at 07:59:12PM +0200, Michael Koch wrote: > Am 02.10.2020 um 10:10 schrieb Paul B Mahol: > > On Thu, Oct 01, 2020 at 11:40:57PM +0200, Michael Koch wrote: > > > Am 01.10.2020 um 22:11 schrieb Paul B Mahol: > > > > On Tue, Sep 29, 2020 at 10:54:54PM +0200, Michael Koch wrote: >

Re: [FFmpeg-user] V360 stabilization

2020-10-02 Thread Michael Koch
Am 02.10.2020 um 10:10 schrieb Paul B Mahol: On Thu, Oct 01, 2020 at 11:40:57PM +0200, Michael Koch wrote: Am 01.10.2020 um 22:11 schrieb Paul B Mahol: On Tue, Sep 29, 2020 at 10:54:54PM +0200, Michael Koch wrote: Hello all, I've programmed a C# workaround for stabilization of 360° videos.

Re: [FFmpeg-user] V360 stabilization

2020-10-02 Thread Paul B Mahol
On Thu, Oct 01, 2020 at 11:40:57PM +0200, Michael Koch wrote: > Am 01.10.2020 um 22:11 schrieb Paul B Mahol: > > On Tue, Sep 29, 2020 at 10:54:54PM +0200, Michael Koch wrote: > > > Hello all, > > > > > > I've programmed a C# workaround for stabilization of 360° videos. The > > > procedure is as

Re: [FFmpeg-user] V360 stabilization

2020-10-01 Thread Michael Koch
Am 01.10.2020 um 22:11 schrieb Paul B Mahol: On Tue, Sep 29, 2020 at 10:54:54PM +0200, Michael Koch wrote: Hello all, I've programmed a C# workaround for stabilization of 360° videos. The procedure is as follows: 1. FFmpeg: From each frame of the equirectangular input video, extract two small

Re: [FFmpeg-user] V360 stabilization

2020-10-01 Thread Paul B Mahol
On Tue, Sep 29, 2020 at 10:54:54PM +0200, Michael Koch wrote: > Hello all, > > I've programmed a C# workaround for stabilization of 360° videos. The > procedure is as follows: > > 1. FFmpeg: From each frame of the equirectangular input video, extract two > small images which are 90° apart in the

[FFmpeg-user] V360 stabilization

2020-09-29 Thread Michael Koch
Hello all, I've programmed a C# workaround for stabilization of 360° videos. The procedure is as follows: 1. FFmpeg: From each frame of the equirectangular input video, extract two small images which are 90° apart in the input video. I call them A and B images. 2. C# code: Analyze the x