[FFmpeg-user] How to Transcode HEVC HDR to SVT-AV1 HDR?

2022-10-28 Thread Robin v. d. Linden
Hello, I'm currently trying to encode a mp4 containing a HEVC 10 Bit stream with proper HDR grading to a HLS stream in two codec versions, the first is HEVC and the second is SVT-AV1. The problem here is that the two encoded versions differ from each other according to the color grading. The

Re: [FFmpeg-user] What is a "pad" in the context of an "input pad", an "output pad" and a "filter pad"

2022-10-28 Thread Clay
Thanks for the perspective, Phil :-)  As I am not an ffmpeg expert, when I [attempt to] mentally digest the documentation, I drill down into the minutia until I hit "descriptively fundamental particles" ...often, where I expect to find fundamental descriptions, there is just a hole (in the

Re: [FFmpeg-user] What is a "pad" in the context of an "input pad", an "output pad" and a "filter pad"

2022-10-28 Thread Reindl Harald
Am 28.10.22 um 18:09 schrieb Carl Zwanzig: On the recording side, too, but it's rather well understood that most audio equipment -does- have a "sound" and good engineers understand and exploit that. Perhaps you realize that €50 speakers seem a bit less accurate that €500 ones do? (I must

Re: [FFmpeg-user] What is a "pad" in the context of an "input pad", an "output pad" and a "filter pad"

2022-10-28 Thread Phil Rhodes via ffmpeg-user
> 2) to add filler material (writing and other places) "let's pad that out > to10 minutes"> 3) an electronic contact surface ""solder the red wire to pad > #2" > ... > In the case of ffmpeg _filters_, it looks like #3 is closest as a point of>  > interconnection but #2 could apply to 'pad'

Re: [FFmpeg-user] What is a "pad" in the context of an "input pad", an "output pad" and a "filter pad"

2022-10-28 Thread Carl Zwanzig
On 10/28/2022 8:49 AM, Reindl Harald wrote: well, in the audio-world people can't even distinct between instruments and playback, otherwise the nonsense of "sounding" amplifiers won't exist What does that really mean? "Distinct" is not a verb, do you mean "distinguish"? on the playback

Re: [FFmpeg-user] What is a "pad" in the context of an "input pad", an "output pad" and a "filter pad"

2022-10-28 Thread Reindl Harald
Am 28.10.22 um 17:46 schrieb Carl Zwanzig: In the case of ffmpeg _filters_, it looks like #3 is closest as a point of interconnection but #2 could apply to 'pad' and 'apad' although IMHO 'fill' would be a better term not in the IT world padding in a video means add black borders to have

Re: [FFmpeg-user] What is a "pad" in the context of an "input pad", an "output pad" and a "filter pad"

2022-10-28 Thread Reindl Harald
Am 28.10.22 um 17:22 schrieb Patrick Cusack: in which crazy world means padding reduce something which would be trimming while "padding" everywhere outside your mind means the opposite In the audio world, padding means to reduce.  You typically add pads to mics to reduce the input level.

Re: [FFmpeg-user] What is a "pad" in the context of an "input pad", an "output pad" and a "filter pad"

2022-10-28 Thread Carl Zwanzig
On 10/27/2022 11:03 PM, Reindl Harald wrote: in which crazy world means padding reduce something The audio engineering world, that's where; been like that many years. Surprised you didn't know it. [the rest omitted because it was irrelevant] Pad can mean- 1) to reduce (audio) "put a 20db

Re: [FFmpeg-user] What is a "pad" in the context of an "input pad", an "output pad" and a "filter pad"

2022-10-28 Thread Clay via ffmpeg-user
> > 36.39 apad > Pad the end of an audio stream with silence. > This can be used together with ffmpeg -shortest to extend audio > streams to the same length as the video stream > > 39.181 pad > Add paddings to the input image, and place the original input at the > provided x, y coordinates. > It

[FFmpeg-user] X265 HDR content differs from AVT-AV1 HDR Content

2022-10-28 Thread Robin van der Linden via ffmpeg-user
Hello, I'm currently trying to encode a mp4 containing a HEVC 10 Bit stream with proper HDR grading to a HLS stream in two codec versions, the first is HEVC and the second is SVT-AV1. The problem here is that the two encoded versions differ from each other according to the color grading. The

Re: [FFmpeg-user] What is a "pad" in the context of an "input pad", an "output pad" and a "filter pad"

2022-10-28 Thread Reindl Harald
Am 27.10.22 um 22:38 schrieb Phil Rhodes via ffmpeg-user: "Pad" in audio engineering usually means "to attenuate." "Pad that down a bit," meaning "reduce the volume." seriously? and that question starts with top-posting and wrong quoting! in which crazy world means padding reduce something