Re: [FFmpeg-user] Documentation and feature request

2019-04-29 Thread Michael Koch
Am 15.04.2019 um 18:10 schrieb Gyan: Hi Michael, I'll look at these in detail later on, but just to touch on one point.. On 15-04-2019 06:15 PM, Michael Koch wrote: "eq" filter: -- It might be helpful to add a note that multiple eq filters can be cascaded, for example if contrast

Re: [FFmpeg-user] Documentation and feature request

2019-04-28 Thread Carl Eugen Hoyos
2019-04-28 18:25 GMT+02:00, Michael Koch : > >>> Feature request: >>> -- Decay filter, makes short flashes of light appear longer, with an >>> exponential decay curve. Like on an analog oscilloscope screen with long >>> persistence time. Could be used for videos of the night sky to make fast >>>

Re: [FFmpeg-user] Documentation and feature request

2019-04-28 Thread Michael Koch
Feature request: -- Decay filter, makes short flashes of light appear longer, with an exponential decay curve. Like on an analog oscilloscope screen with long persistence time. Could be used for videos of the night sky to make fast meteors appear longer. Should work as follows: For each pixel

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 Thread Michael Koch
Am 15.04.2019 um 22:46 schrieb Paul B Mahol: Implemented as lagfun filter. See ffmpeg-devel mailing list. very good, I'll test it as soon as it's available in the Windows version from Zeranoe. Thanks, Michael -- ** ASTRO ELECTRONIC

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 Thread Gyan
Hi Michael, I'll look at these in detail later on, but just to touch on one point.. On 15-04-2019 06:15 PM, Michael Koch wrote: "eq" filter: -- It might be helpful to add a note that multiple eq filters can be cascaded, for example if contrast enhancement bigger than 2 is required.

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 Thread Michael Koch
While some of your suggestions will not be accepted (for example to document for some filters that they can be concatenated), Why not? atempo does it. I suspect nearly all filters can be concatenated and given that the documentation is already hard to read, I don't think it should be

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 Thread Carl Eugen Hoyos
2019-04-15 15:02 GMT+02:00, Gyan : > > > On 15-04-2019 06:25 PM, Carl Eugen Hoyos wrote: >> 2019-04-15 14:45 GMT+02:00, Michael Koch : >> >>> over the last months I've collected a list what's missing in >>> FFmpeg's documentation. >> While some of your suggestions will not be accepted (for example

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 Thread Carl Eugen Hoyos
2019-04-15 15:05 GMT+02:00, Michael Koch : > Am 15.04.2019 um 14:55 schrieb Carl Eugen Hoyos: >> 2019-04-15 14:45 GMT+02:00, Michael Koch : >> >>> over the last months I've collected a list what's missing in >>> FFmpeg's documentation. >> While some of your suggestions will not be accepted (for

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 Thread Michael Koch
Am 15.04.2019 um 15:59 schrieb Paul B Mahol: Feature request: -- Decay filter, makes short flashes of light appear longer, with an exponential decay curve. Like on an analog oscilloscope screen with long persistence time. Could be used for videos of the night sky to make fast meteors appear

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 Thread Paul B Mahol
On 4/15/19, Michael Koch wrote: > Hi all, > > over the last months I've collected a list what's missing in FFmpeg's > documentation. > At the end of the list there are a few feature requests. > [...] > Feature request: > -- Decay filter, makes short flashes of light appear longer, with an >

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 Thread Michael Koch
Am 15.04.2019 um 14:55 schrieb Carl Eugen Hoyos: 2019-04-15 14:45 GMT+02:00, Michael Koch : over the last months I've collected a list what's missing in FFmpeg's documentation. While some of your suggestions will not be accepted (for example to document for some filters that they can be

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 Thread Gyan
On 15-04-2019 06:25 PM, Carl Eugen Hoyos wrote: 2019-04-15 14:45 GMT+02:00, Michael Koch : over the last months I've collected a list what's missing in FFmpeg's documentation. While some of your suggestions will not be accepted (for example to document for some filters that they can be

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 Thread Carl Eugen Hoyos
2019-04-15 14:45 GMT+02:00, Michael Koch : > over the last months I've collected a list what's missing in > FFmpeg's documentation. While some of your suggestions will not be accepted (for example to document for some filters that they can be concatenated), please feel free to send your split

[FFmpeg-user] Documentation and feature request

2019-04-15 Thread Michael Koch
Hi all, over the last months I've collected a list what's missing in FFmpeg's documentation. At the end of the list there are a few feature requests. "amplify" filter: -- Many options are in the [0..65535] range. It's unclear how these options must be set for 8-bit videos. Is it [0..255] in