[FFmpeg-user] XMP:XMP-dc:MOV-XMP:Subject metadata tag - write to .MP4 file - how ?

2022-11-03 Thread John Smith
How to write XMP:XMP-dc:MOV-XMP:Subject metadata tag to a .MP4 file ? ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with

Re: [FFmpeg-user] 16:9 to 2.35:1 and true HD 7.1 to DTS

2022-11-03 Thread Carl Eugen Hoyos
Am Do., 3. Nov. 2022 um 20:18 Uhr schrieb Bartosz Trzebuchowski : > 1. How can I convert 16:9 movies to 2.35:1? My projector can’t > scale down and 16:9 movies run outside my 2.35:1 canvas at > the top and the bottom. I need to black out top and bottom so > only 2.35:1 is visible. Use the crop

Re: [FFmpeg-user] 16:9 to 2.35:1 and true HD 7.1 to DTS

2022-11-03 Thread Carl Eugen Hoyos
Am Do., 3. Nov. 2022 um 22:49 Uhr schrieb Robin van der Linden via ffmpeg-user : > > @Carl Eugen > I check on the web for that Why didn't you test yourself? Regarding your earlier comment about TrueHD being "a proprietary format": TrueHD is based on Meridian Possless Packing, a format specified

Re: [FFmpeg-user] 16:9 to 2.35:1 and true HD 7.1 to DTS

2022-11-03 Thread Carl Eugen Hoyos
Am Do., 3. Nov. 2022 um 20:18 Uhr schrieb Bartosz Trzebuchowski : > > Is is possible with ffmpeg to convert the sound to DTS 7.1? There is a DTS 5.1 encoder in FFmpeg but it is highly experimental and it is unlikely that it would really help you, use the ac3 encoder instead. Carl Eugen

Re: [FFmpeg-user] 16:9 to 2.35:1 and true HD 7.1 to DTS

2022-11-03 Thread Robin van der Linden via ffmpeg-user
@Carl Eugen I check on the web for that, but was not able to find any encoder/decoder for TrueHD. Can you give some more information here, I'm pretty sure it does not survive the volume per channel layout. From my understanding, if it works, it's experimental. Kind regards, Robin van der

Re: [FFmpeg-user] 16:9 to 2.35:1 and true HD 7.1 to DTS

2022-11-03 Thread Carl Eugen Hoyos
Am Do., 3. Nov. 2022 um 20:34 Uhr schrieb Robin van der Linden via ffmpeg-user : > About the audio, I'm pretty sure that TrueHD is a BlackBox to ffmpeg FFmpeg contains a TrueHD deccoder and encoder. Carl Eugen ___ ffmpeg-user mailing list

Re: [FFmpeg-user] 16:9 to 2.35:1 and true HD 7.1 to DTS

2022-11-03 Thread Michael Koch
Am 03.11.2022 um 20:17 schrieb Bartosz Trzebuchowski: Hi, I’m completely new to ffmpeg and have 2 questions: 1. How can I convert 16:9 movies to 2.35:1? My projector can’t scale down and 16:9 movies run outside my 2.35:1 canvas at the top and the bottom. I need to black out top and bottom so

Re: [FFmpeg-user] 16:9 to 2.35:1 and true HD 7.1 to DTS

2022-11-03 Thread Robin van der Linden via ffmpeg-user
Hello, about the first point, I have no idea, maybe somebody else has. About the audio, I'm pretty sure that TrueHD is a BlackBox to ffmpeg, same goes for Dolby Atoms. I'm not sure if you have access to a MacOS system, I personally run it inside a VM. There is a tool called "Subler" for MacOS,

[FFmpeg-user] 16:9 to 2.35:1 and true HD 7.1 to DTS

2022-11-03 Thread Bartosz Trzebuchowski
Hi, I’m completely new to ffmpeg and have 2 questions: 1. How can I convert 16:9 movies to 2.35:1? My projector can’t scale down and 16:9 movies run outside my 2.35:1 canvas at the top and the bottom. I need to black out top and bottom so only 2.35:1 is visible. 2. My old Yamaha surround can’t

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