Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-11 Thread James Zern
On Sat, Feb 9, 2019 at 3:15 AM Carl Eugen Hoyos wrote: > > 2019-02-09 7:49 GMT+01:00, Gyan : > > > > > > On 09-02-2019 02:26 AM, Carl Eugen Hoyos wrote: > >> 2019-02-08 6:08 GMT+01:00, Gyan : > >>> > >>> On 08-02-2019 03:31 AM, Carl Eugen Hoyos wrote: > . > No strong opinion here, I

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-10 Thread Carl Eugen Hoyos
2019-02-10 13:06 GMT+01:00, Kieran O Leary : > On Sat, 9 Feb 2019, 06:49 Gyan > although the `-lossless 1` encoding does return as lossless in SSIM. > > What ssim command did you use, and why use this over a hash muxer like > framehash? I'm always on the lookout for losslessness verification

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-10 Thread Carl Eugen Hoyos
2019-02-10 5:44 GMT+01:00, Gyan : > > > On 09-02-2019 04:45 PM, Carl Eugen Hoyos wrote: >> 2019-02-09 7:49 GMT+01:00, Gyan : >>> >>> On 09-02-2019 02:26 AM, Carl Eugen Hoyos wrote: 2019-02-08 6:08 GMT+01:00, Gyan : > On 08-02-2019 03:31 AM, Carl Eugen Hoyos wrote: >> . >> No

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-10 Thread Gyan
On 10-02-2019 05:36 PM, Kieran O Leary wrote: What ssim command did you use, and why use this over a hash muxer like framehash? I'm always on the lookout for losslessness verification methods. The barebones command:     ffmpeg -i main -i ref -lavfi ssim -f null - framehash will be

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-10 Thread Kieran O Leary
On Sat, 9 Feb 2019, 06:49 Gyan > > On 09-02-2019 02:26 AM, Carl Eugen Hoyos wrote: > > 2019-02-08 6:08 GMT+01:00, Gyan : > >> > >> On 08-02-2019 03:31 AM, Carl Eugen Hoyos wrote: > >>> . > >>> No strong opinion here, I hadn't realized that -crf 0 only works with > >>> newer versions. > >>> > >>>

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-09 Thread Gyan
On 09-02-2019 04:45 PM, Carl Eugen Hoyos wrote: 2019-02-09 7:49 GMT+01:00, Gyan : On 09-02-2019 02:26 AM, Carl Eugen Hoyos wrote: 2019-02-08 6:08 GMT+01:00, Gyan : On 08-02-2019 03:31 AM, Carl Eugen Hoyos wrote: . No strong opinion here, I hadn't realized that -crf 0 only works with newer

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-09 Thread Carl Eugen Hoyos
2019-02-09 7:49 GMT+01:00, Gyan : > > > On 09-02-2019 02:26 AM, Carl Eugen Hoyos wrote: >> 2019-02-08 6:08 GMT+01:00, Gyan : >>> >>> On 08-02-2019 03:31 AM, Carl Eugen Hoyos wrote: . No strong opinion here, I hadn't realized that -crf 0 only works with newer versions. Can

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-08 Thread Gyan
On 09-02-2019 02:26 AM, Carl Eugen Hoyos wrote: 2019-02-08 6:08 GMT+01:00, Gyan : On 08-02-2019 03:31 AM, Carl Eugen Hoyos wrote: . No strong opinion here, I hadn't realized that -crf 0 only works with newer versions. Can you explain why crf alone has no effect and needs -b:v 0? Isn't this

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-08 Thread Carl Eugen Hoyos
2019-02-08 6:08 GMT+01:00, Gyan : > > > On 08-02-2019 03:31 AM, Carl Eugen Hoyos wrote: >> . >> No strong opinion here, I hadn't realized that -crf 0 only works with >> newer versions. >> >> Can you explain why crf alone has no effect and needs -b:v 0? >> Isn't this a bug both with libvpx and

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-07 Thread Gyan
On 08-02-2019 03:31 AM, Carl Eugen Hoyos wrote: . No strong opinion here, I hadn't realized that -crf 0 only works with newer versions. Can you explain why crf alone has no effect and needs -b:v 0? Isn't this a bug both with libvpx and libaom? With crf present but VBV params absent, VPX

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-07 Thread Dominik 'Rathann' Mierzejewski
On Thursday, 07 February 2019 at 21:21, James Almer wrote: > On 2/7/2019 5:08 PM, Carl Eugen Hoyos wrote: > > 2019-02-07 20:57 GMT+01:00, James Almer : > >> On 2/7/2019 4:53 PM, Carl Eugen Hoyos wrote: > >>> Hi! > >>> > >>> Lossless libvpx encoding is possible with "-crf 0". > >> > >> Does that

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-07 Thread Carl Eugen Hoyos
2019-02-07 21:21 GMT+01:00, James Almer : > On 2/7/2019 5:08 PM, Carl Eugen Hoyos wrote: >> 2019-02-07 20:57 GMT+01:00, James Almer : >>> On 2/7/2019 4:53 PM, Carl Eugen Hoyos wrote: Hi! Lossless libvpx encoding is possible with "-crf 0". >>> >>> Does that work with all supported

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-07 Thread James Almer
On 2/7/2019 5:08 PM, Carl Eugen Hoyos wrote: > 2019-02-07 20:57 GMT+01:00, James Almer : >> On 2/7/2019 4:53 PM, Carl Eugen Hoyos wrote: >>> Hi! >>> >>> Lossless libvpx encoding is possible with "-crf 0". >> >> Does that work with all supported versions, or was it a recent change? > > No, it

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-07 Thread Carl Eugen Hoyos
2019-02-07 20:57 GMT+01:00, James Almer : > On 2/7/2019 4:53 PM, Carl Eugen Hoyos wrote: >> Hi! >> >> Lossless libvpx encoding is possible with "-crf 0". > > Does that work with all supported versions, or was it a recent change? No, it needs a newer version than 1.4.0 Sorry, Carl Eugen

Re: [FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-07 Thread James Almer
On 2/7/2019 4:53 PM, Carl Eugen Hoyos wrote: > Hi! > > Lossless libvpx encoding is possible with "-crf 0". Does that work with all supported versions, or was it a recent change? > > Please comment, Carl Eugen > > > ___ > ffmpeg-devel mailing list >

[FFmpeg-devel] lavc/libvpxenc: Deprecate lossless option

2019-02-07 Thread Carl Eugen Hoyos
Hi! Lossless libvpx encoding is possible with "-crf 0". Please comment, Carl Eugen From 76e8df1da3470a1232f6128b37a681926d4cab92 Mon Sep 17 00:00:00 2001 From: Carl Eugen Hoyos Date: Thu, 7 Feb 2019 20:39:12 +0100 Subject: [PATCH] lavc/libvpxenc: Deprecate lossless, there is -crf 0. ---