Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-22 Thread Moritz Barsnick
On Fri, May 22, 2020 at 07:52:14 +0200, Michael Koch wrote: > here is an example of a JPG for which exiftool (version 11.26) reports 6 > dates/times: > http://www.astro-electronic.de/IMG_1343.jpg Yes, that file contains actual EXIF metadata, including date tags. That doesn't change the fact that

Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-22 Thread Michael Koch
Am 22.05.2020 um 11:52 schrieb Nicolas George: Michael Koch (12020-05-22): here is an example of a JPG for which exiftool (version 11.26) reports 6 dates/times: http://www.astro-electronic.de/IMG_1343.jpg File Modification Date/Time : 2020:05:22 07:46:54+02:00 File Access Date/Time

Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-22 Thread Nicolas George
Michael Koch (12020-05-22): > here is an example of a JPG for which exiftool (version 11.26) reports 6 > dates/times: > http://www.astro-electronic.de/IMG_1343.jpg File Modification Date/Time : 2020:05:22 07:46:54+02:00 File Access Date/Time : 2020:05:22 11:51:04+02:00 File Inode

Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-21 Thread Michael Koch
Am 21.05.2020 um 22:31 schrieb Nicolas George: Kieran O Leary (12020-05-21): I have a JPG image for which exiftool reports six times: -- File Modification Date/Time -- File Access Date/Time -- File Creation Date/Time -- Modify Date -- Date/Time Original -- Create Date Aren't some of those just

Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-21 Thread Kieran O Leary
On Thu, May 21, 2020 at 9:31 PM Nicolas George wrote: > Kieran O Leary (12020-05-21): > > > I have a JPG image for which exiftool reports six times: > > > -- File Modification Date/Time > > > -- File Access Date/Time > > > -- File Creation Date/Time > > > -- Modify Date > > > -- Date/Time

Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-21 Thread Nicolas George
Kieran O Leary (12020-05-21): > > I have a JPG image for which exiftool reports six times: > > -- File Modification Date/Time > > -- File Access Date/Time > > -- File Creation Date/Time > > -- Modify Date > > -- Date/Time Original > > -- Create Date > Aren't some of those just file system

Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-21 Thread Moritz Barsnick
On Thu, May 21, 2020 at 20:05:10 +0100, Kieran O Leary wrote: > On Thu, May 21, 2020 at 6:05 PM Michael Koch > > I have a JPG image for which exiftool reports six times: > > -- File Modification Date/Time > > -- File Access Date/Time > > -- File Creation Date/Time > > -- Modify Date > > --

Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-21 Thread Michael Koch
Am 21.05.2020 um 21:05 schrieb Kieran O Leary: On Thu, May 21, 2020 at 6:05 PM Michael Koch wrote: Am 21.05.2020 um 17:07 schrieb Carl Eugen Hoyos: Am Do., 21. Mai 2020 um 16:46 Uhr schrieb David Greenwood : Nope. If such files do not exist, it seems unlikely that ffmpeg can produce them.

Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-21 Thread Kieran O Leary
On Thu, May 21, 2020 at 6:05 PM Michael Koch wrote: > Am 21.05.2020 um 17:07 schrieb Carl Eugen Hoyos: > > Am Do., 21. Mai 2020 um 16:46 Uhr schrieb David Greenwood > > : > >> Nope. > > If such files do not exist, it seems unlikely that ffmpeg > > can produce them. > > I have a JPG image for

Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-21 Thread Michael Koch
Am 21.05.2020 um 17:07 schrieb Carl Eugen Hoyos: Am Do., 21. Mai 2020 um 16:46 Uhr schrieb David Greenwood : Nope. If such files do not exist, it seems unlikely that ffmpeg can produce them. I have a JPG image for which exiftool reports six times: -- File Modification Date/Time -- File

Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-21 Thread Carl Eugen Hoyos
Am Do., 21. Mai 2020 um 16:46 Uhr schrieb David Greenwood : > > Nope. If such files do not exist, it seems unlikely that ffmpeg can produce them. Please find out what top-posting means and avoid it here. Carl Eugen ___ ffmpeg-user mailing list

Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-21 Thread David Greenwood
Nope. The original video .mp4 has a start time and duration in the metadata. When converting to image files, the only timestamps they hold are for creation date (system time on script run). On Thu, 21 May 2020 at 15:28, Carl Eugen Hoyos wrote: > Am Do., 21. Mai 2020 um 16:21 Uhr schrieb

Re: [FFmpeg-user] [ffmpeg] preserving metadata from .mp4 to .jpg/.png frames

2020-05-21 Thread Carl Eugen Hoyos
Am Do., 21. Mai 2020 um 16:21 Uhr schrieb David Greenwood : > the issue, i have not been able to figure out how to properly preserve > metadata during conversion in ffmpeg from mp4 to jpg/png. importantly, > this means the images do not have a capture time. Do you have a jpg/png that contains