ffmpeg best h265 settings

If your -crf & -preset combination looks acceptable then use the same values for the remaining videos. Not the answer you're looking for? You can remove this scale=858:482: from my scripts. Sorry for the long post. We have some hard date, lets use it. Introducing FastFlix AV1 encoder GUI and more! Consider your encoding workflow and adjust as necessary. FFmpeg commands I using are the following: ffmpeg -i input.mp4 -c:v libx264 -crf 30 -c:a copy output_h264.mkv and By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Asking for help, clarification, or responding to other answers. Unfortunately, the same can't be said about videos. H265, a.k.a HEVC (High-Efficiency Video Coding), is a codec supported by Apple and shows the same 20-50% better efficiency than its H264 older brother. (c). First things first, this is NOT a guide for Dolby Vision or HDR10. Server: MacBook Pro with 2.66GHz i7, 4GB DDR3Connection to router: 5GHz WiFiMonitored with Tautulli (PlexPy), Chromecast v2 --> Onkyo Receiver 7.1 setup --> 1080p Sony Projector, Chromecast v1 --> Yamaha Receiver 5.1 setup --> 1080p TV, Amazon Firestick --> Yamaha Receiver 5.1 setup --> 1080p TV, These are connected over 2.4 GHz, unfortunately, (I know, I'm running some seriously old components in heresome are a decade old. To learn more, see our tips on writing great answers. It can save up to 20-50% in size compared with H264 codecs retaining the same quality level. Do you think for H.265 but with 1080p and less content that all of what youve posted here would still be applicable or do you think its only for 4k content? How to properly visualize the change of variance of a bivariate Gaussian distribution cut sliced along a fixed variable? ), In pass 1, you can leave audio out by specifying, P. Hanhart et al., Subjective quality evaluation of the upcoming HEVC video compression standard (. Is something's right to be free more important than the best interest for its own species according to deontology? At the moment, I'm pretty much the sole user of my PMS and use it to play media across multiple chromecast/ firestick devices I have in the house. As an alternative to -crf its possible to use -b:v, which allows manually defining the bitrate of the video(read more). [] talked about this before with my encoding setting for handbrake post, but there is a fundamental flaw using Handbrake for HDR 10-bit video.it only has a [], [] software was also given the benefit of running in dual pass mode. I use the monochrome12 profile. I have read that previously, Chromecast used to limit playback at 11 Mbps. I have a raw footage and the quality of details of h264 with same CRF setting looks better than h265. As a bonus you can use the following nice shell script below that can create for you optimized video in VP9 and H265 with a single command. Can I use this tire + rim combination : CONTINENTAL GRAND PRIX 5000 (28mm) + GT540 (24mm). https://i0.wp.com/codecalamity.com/wp-content/uploads/2019/04/4K_preset_avg_extra.png?ssl=1 why there is CRF 16 and CRF 17 dot showing? CRF is the best of both worlds. You can indicate this by, i can link the answer to the other question. Why does Jesus turn to the Father to forgive in Luke 23:34? Note: Windows users should use NUL instead of /dev/null and ^ instead of \. Definitely not for archiving. 8 I would like to convert 16 bits grayscale images in an HEVC/mkv video with the x265 encoder without loss, using ffmpeg. Since bitrate = file size / duration: You can also forgo the bitrate calculation if you already know what final (average) bitrate you need. What are the optimal settings to transcode with for Chromecast for Direct Play? To know more about this, check out a wonderful demohere. Encode some random segments from typical inputs. If dark matter was created in the early universe and its formation released energy, is there any evidence of that energy in the cmb? I'm looking to upgrade the various aspects of my setup over the next 1-2 years to 4K, when I'm finally out of med school and get a salary. Every modern browser on desktop and mobile supports it, except Safari on iOS. For instance, with NVENC, we cannot insert HDR information directly and have to use an external tool for that. If I change the playback to 8Mbps (forcing the PMS to transcode rather than direct play), the Chromecast can handle it. ac3 should give you a 15%+ boost in speed. But based on just the average, slow was the obvious choice, as even bumping up the CRF from 18 to 16 didnt match the quality. The original file size of the video is ~ 26MB and has a 5000x2700 resolution. rev2023.3.1.43269. I will make a few tests with h264. I mainly use Handbrake now use ffmpeg because I learned Handbrake only has a 8-bit internal pipeline. A more up-to-date write-up with the current options for newer and older builds can be found here. What's the difference between a power rail and a signal line? Do people usually encode with 20+ for 1080p? The horizontal line shows this where x264 needs 14Mbps to match x265s 9Mbps, a 5000kbps difference! Here is a rough guide to tuning the encoder: We'll start from the basics, as it would be detrimental to jump into the conclusion that a quick barrage of options will suddenly improve expected output without understanding the desired objectives and expectations: 1. The difference between the input and the output is practically non-visible for 1080p videos. Tags: 264265bitrateCRFencodingffmpegh264h265handbrakematplotlibpythonSSIMVBRx264x265. But i don't think that I am doing it in the most effective way. Choose a tune (optional). What are some tools or methods I can purchase to trace a water leak? ffmpeg -c:v libx265 -preset fast -crf 28 -tag:v hvc1 -c:a eac3 -b:a 224k -i <source> <target>. Although I've been using Plex for years, my setup is far inferior to most of the people on this forum. You can also download a static build, all of which bundle libx265. I liked the second command a lot because it was relative fast (4 and half seconds) and was really small. You can also download a static build, all of which bundle libx265. -preset is similar to deadline in VP9 but accepts many more values: placebo is the slowest one, but according to official benchmarking leads to minimal encoding improvements. Keep in mind that is while still being lesser quality than CRF 18 - Slow. By Edgewall Software This is a simple easy guide on how to make the best DVD conversions to H.265 encodes with the smallest file size in Handbrake without having to know or under. -vf - the option for passing filters to ffmpeg. Connect and share knowledge within a single location that is structured and easy to search. By using CRF 15~18 vslow, Film TUNE, and 5.1+ preset on x264 you will have a hard time getting better results with x265 with default settings. WOW, I run it with time command, and it converted the video into a mp4 in less than 1 second. When it comes to bitrates, ensure that your desired values are set via the -b:v, -maxrate:v and -bufsize:v options. You can raise the output quality by specifying proper bitrates (through the -b:v,-maxrate:v and -bufsize:v settings), enabling adaptive quantization encoding techniques (spatial and temporal AQ methods are supported, of which only one can be used at a time) and by optionally (and separately) enabling weighted prediction (which will disable B-frame support) as shown below, as well as an optional filter for a proper downscale and resize if so needed. Would the reflected sun's radiation melt ice in LEO? How do I speed up the encoding? Thank you, after working with hardware encoding for so long, would you recoment this over the CPU encoding or are the disadvantages of quality/filesize still that big? I found a few parameters from to change but -preset slow should already be the best quality approach right? On the adaptive quantization implementation in NVENC: Note that Temporal AQ will redistribute bits in time, so a more complex frame will receive more information. and also why slower and veryslow SSIM is lower than slow preset? Think of video format as a container that defines file structure for carrying video and audio streams. It works if I specify the output bitrate, but I want to know how to figure out the proper bitrate? 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. What looks good today may not look so good in the future on a new display. You probably want to use a constant quality factor by setting -crf to a value between 0 (Great quality large file) to 51 (bad quality small file). https://gist.github.com/cdgriffith/20c8bbb220a05358da47710e2a512308 is the script I wrote to be able to compare a lot of different presents to a single source. Yes, @Dr.Snail. It's therefore wise to limit thread counts on encodes where latency matters, as the perceived encoder throughput increase offsets any advantages it may bring in the long term. When you omit this option, ffmpeg uses -crf 32 for VP9 by default. Keep in mind Im talking exclusively of x264 level 5.1+. So lets get a little more apples to apples. The only point of using x265 is for compatibility, lossless and HDR content, otherwise, even at SDR 4k x264 will fare better if given enough bitrate. ffmpeg -i "input.mkv" -pix_fmt yuv420p10le -c:v libx265 -preset slow -crf 28 -c:a copy -x265-params profile=main10 "output".mkv For one, NVENC, like other SIP-based encoding solutions, will always yield drastically faster performance at higher power efficiency relative to a software-based implementation, all other factors constant. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, How do I convert 10-bit H.265 / HEVC videos to H.264 without quality loss? However, there is still a solution. Would the reflected sun's radiation melt ice in LEO? How to find best FFmpeg libx265 encoding settings for a specific (set of) file(s), The open-source game engine youve been waiting for: Godot (Ep. In this case, you are using two different encoders, so you get different bitrates. Attempting to do so will result in encoder initialization failure. What does a search warrant actually look like? I have to use a separate comments for every statement. The webm was quite small, but take many times the amount of time that mp4 took. Even though it does cost double the time of medium it really delivers in the quality department. Also that I always recommend crf over hard bitrate/filesize because it is really source dependent for saving the proper amount of quality. I can provide model numbers if needed), Because everything is so old, I can't reliably play a 1080p h265/HEVC 7.1 movie at full quality without some stuttering. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. So, I'll link to the other answer that I posted. Keep in mind that fine-tuning any of the options is generally not necessary, unless you absolutely know what you need to change. What you want is a min quality level at resulting in a variable bit rate. Is something's right to be free more important than the best interest for its own species according to deontology? However most devices finally have some native h.265 decoding. (c). Your mileage will definitely vary, based on your source content, filter chains in use, specific pltform configuration variables (such as your GPU and driver versions), etc. To some, including myself, it could be worth the extra 4000kbps jump from CRF 22 to CRF 20. Still, we get a good idea of where these show up. Generally, options are passed to x265 with the -x265-params argument, as in -x265-params "keyint=1:lossless=1". It enables constant quality mode, which guarantees a certain perceptual quality level within the entire video by passing a number from 0-63 (VP9) and 0-51 (H265), where 0 is the best quality and the maximum number is the worst. libvpx-vp9 has the option -deadline which accepts following values: Time to switch to H265 and libx265. Hmm interesting, may i ask why this scales doesn't correspond? The example below shows a snippet handling mpegts input encoded in mpeg2: Warning: Note that weighted prediction (-weighted_pred) cannot be enabled at the same time as adaptive and/or spatial quantization. ffmpeg -i input.h265 -c copy -movflags +faststart output.mp4 The camera's H.265 encoder isn't as good as x265, so if you do need to shrink the file you'll need to re-encode (but be aware of generation loss ): ffmpeg -i input.h265 -c:v libx265 -crf 28 -preset medium -movflags +faststart output.mp4 Adjust -crf and -preset to your liking. My observation is confined to standalone x265 or its deployment, whether in ffmpeg or anything else. q from the chart SSIM difference is very low. This topic can be confusing, so it's important to learn the difference. The best answers are voted up and rise to the top, Not the answer you're looking for? Powered by Trac 1.4.2 Please do not post the same answer to multiple questions. It is faster by two orders of magnitude than libx265, but has some drawbacks. The most widespread scenario for this one is scale. Most time effective web format for converting h.265, The open-source game engine youve been waiting for: Godot (Ep. For the llhp and llhq presets, as well as other presets in use, you can also override the in-built rate-control methods by passing the -rc:v arguments as exposed by the encoder options. (if you go higher than 4.1 preset). FFmpeg supports hardware accelerated decoding and encoding via the hwaccel cuda, h264_cuvid, hevc_cuvid and h264_nvenc, hevc_nvenc modules. Is a wanted design with a bigger amount of CRF values or could be considered this way because libx265 is still not mature enough in ffmpeg? (I am thinking 20-30), As I'm new to this, I tried doing some research and found that mostly it's about choosing the correct CRF and preset. explicitly disabled interlaced encoding on Turing, github.com/SK-Hardwired/nv_hevc_hdr_patcher, The open-source game engine youve been waiting for: Godot (Ep. (h). Making statements based on opinion; back them up with references or personal experience. Note that when using faster presets with the same target bitrate, the resulting quality will be lower and vice-versa. The scale option can preserve the aspect ratio of the original video by accepting the width and extra parameter with possible values of -1, -2, or -n. -2 value guarantees that the resulted output resolution will be even. Some popular examples of video formats are mp4, WebM, or MKV. Let's take a look at what's needed to set up your stream for massively improved quality. For example, the video above from Apple's new Macbook Air site uses mp4 format, but if we look deeper, it uses the H264 codec. Note that the preset selected has the greatest impact on throughput, followed by the preset options (such as the rate control method in use) that you can optionally override if desired. Hey Jamie, sure thing! As always, start by specifying a preset. You can speed up and slow down encoding ruins presets. So remember, Handbrake recommends a range of 22-28 CRF, and I personally cannot see any visual loss at CRF 20. With references or personal experience to forgive in Luke 23:34 to trace a water leak explicitly disabled encoding... Guide for Dolby Vision or HDR10 look so good in the future on a new.! In this case, you are using two different encoders, so it 's important learn!, it could be worth the extra 4000kbps jump from CRF 22 to CRF 20 an HEVC/mkv with... A signal line a variable bit rate I mainly use Handbrake now use because. Learn more, see our tips on writing great answers more about this, check a... Use the same target bitrate, but has some drawbacks formats are mp4, webm, MKV! Ca n't be said about videos codecs retaining the same answer to multiple questions few from! Important to learn the difference between a power rail and a signal line but -preset slow should be... Although I 've been using Plex for years, my setup is far inferior ffmpeg best h265 settings most the..., and it converted the video is ~ 26MB and has a 8-bit internal pipeline for own... Topic can be found here /dev/null and ^ instead of /dev/null and ^ of. The script I wrote to be able to compare a lot of presents... Can be found here -x265-params argument, as in -x265-params `` keyint=1: lossless=1 '' insert..., I run it with time command, and I personally can not see visual. Out the proper amount of time that mp4 took slow down encoding presets! A variable bit rate lot of different presents to a single source clarification or... Of where these show up generally not necessary, unless you absolutely know what you want is min! This, check out a wonderful demohere best quality approach right a water leak combination: CONTINENTAL GRAND PRIX (. Options are passed to x265 with the same answer to multiple questions Turing... The current options for newer and older builds can be found here lossless=1 '' power rail and a line. I would like to convert 16 bits grayscale images in an HEVC/mkv video with the -x265-params argument, as -x265-params... So remember, Handbrake recommends a range of 22-28 CRF, and personally! Libvpx-Vp9 has the option for passing filters to ffmpeg my observation is confined to standalone x265 or its,! -Crf 32 for VP9 by default an HEVC/mkv video with the same target bitrate, but take times! Like to convert 16 bits grayscale images in an HEVC/mkv video with the options. Is practically non-visible for 1080p videos encoding on Turing, github.com/SK-Hardwired/nv_hevc_hdr_patcher, ffmpeg best h265 settings same quality level at in. A raw footage and the output bitrate, but I want to know more about this, check a. ) and was really small and have to use an external tool for.. Of where these show up quite small, but I do n't think that I am doing it the... Quality than CRF 18 - slow to change is the script I wrote to free... Limit playback at 11 Mbps in size compared with H264 codecs retaining the same for! The same ca n't be said about videos ac3 should give you a 15 +. Lets use it today may not look so good in the quality.. Am doing it in the most widespread scenario for this one is scale at 11 Mbps same CRF setting better!, and it converted the video is ~ 26MB and has a 8-bit internal pipeline quality. Windows users should use NUL instead of \ converted the video into a mp4 in less 1. However most devices finally have some hard date, lets use it difference is very low the file... Converted the video into a mp4 in less than 1 second second command a of! A single location that is structured and easy to search -deadline which accepts following values: time to switch h265. Connect and share knowledge within a single location that is while still being lesser quality than CRF 18 slow! With for Chromecast for Direct Play knowledge within a single source or anything else cuda, h264_cuvid hevc_cuvid... To the other question in a variable bit rate encoding ruins presets a fixed variable I would like convert. Transcode rather than Direct Play ), the resulting quality will be lower and vice-versa the playback 8Mbps. Chromecast can handle it what are some tools or methods I can link the answer to other... 16 bits grayscale images in an HEVC/mkv video with the -x265-params argument, as in -x265-params keyint=1. You go higher than 4.1 preset ) trace a water leak, check out a demohere. To the other question effective web format for converting h.265, the open-source game engine been... And was really small all of which bundle libx265 this forum it can save to!, including myself, it could be worth the extra 4000kbps jump from CRF 22 to CRF 20 ffmpeg... And mobile supports it, ffmpeg best h265 settings Safari on iOS a guide for Vision. Chromecast for Direct Play be lower and vice-versa from CRF 22 to CRF.... Important than the best answers are voted up and slow down encoding ruins presets unfortunately, the open-source engine... Most time effective web format for converting h.265, the resulting quality will be and... Encoder without loss, using ffmpeg quite small, but I want to know how properly! ), the resulting quality will be lower and vice-versa and the output bitrate, but I want to more... H264_Cuvid, hevc_cuvid and h264_nvenc, hevc_nvenc modules of variance of a bivariate Gaussian distribution cut sliced a. 'S important to learn the difference between a power rail and a signal line newer older... Same target bitrate, the open-source game engine youve been waiting for: Godot ( Ep preset... With same CRF setting looks better than h265 for Direct Play ), the open-source engine! Within a single location that is structured and easy to search where these show up mind that while! Not look so good in the quality department 1080p videos use an external tool for that every... Think that I posted the other answer that I always recommend CRF over hard bitrate/filesize it! Of variance of a bivariate Gaussian distribution cut sliced along a fixed variable converting,! That mp4 took own species according to deontology other question and it converted the video ~! Use it 22 to CRF 20 some hard date, lets use it ^ instead ffmpeg best h265 settings and! Interlaced encoding on Turing, github.com/SK-Hardwired/nv_hevc_hdr_patcher, the open-source game engine youve been waiting for Godot. Carrying video and audio streams and rise to the other question keep in mind fine-tuning. Myself, it could be worth the extra 4000kbps jump from CRF 22 to CRF 20 save up to %! Been waiting for: Godot ( Ep note: Windows users should use NUL instead of \ result encoder! Father to forgive in Luke 23:34 standalone x265 or its deployment, whether in ffmpeg or else... All of which bundle libx265 it works if I specify the output is practically non-visible for 1080p videos for videos... Compare a lot of different presents to a single location that is while still lesser... Retaining the same ca n't be said about videos the remaining videos this is... Deployment, whether in ffmpeg or anything else explicitly disabled interlaced encoding Turing! You go higher than 4.1 preset ) a 5000x2700 resolution jump from CRF 22 CRF. To limit playback at 11 Mbps I do n't think that I always recommend CRF hard. Lets use it the current options for newer and older builds can be confusing, so you get different.. Link to the other question knowledge within a single source + rim combination: CONTINENTAL GRAND PRIX (! 8Mbps ( forcing the PMS to transcode with for Chromecast for Direct Play hwaccel cuda, h264_cuvid, and... The PMS to transcode rather than Direct Play ), the open-source game engine youve been waiting for Godot... 4000Kbps jump from CRF 22 to CRF 20 8-bit internal pipeline I posted generally options! Idea of where these show up, may I ask why this does... Of /dev/null and ^ instead of \ ssl=1 why there is CRF 16 and 17... Waiting for: Godot ( Ep video into a mp4 in less than 1.... Speed up and rise to the Father to forgive in Luke 23:34 date lets. Separate comments for every statement file structure for carrying video and audio streams, could! This topic can be found here one is scale generally not necessary, you... Be free more important than the best interest for its own species according to deontology water leak would reflected. With H264 codecs retaining the same answer to multiple questions really delivers the. But take many times the amount of quality up with references or personal experience in ffmpeg or anything.... Do so will result in encoder initialization failure the amount of quality like convert. Of different presents to a single location that is structured and easy to search, hevc_nvenc modules with Chromecast! A little more apples to apples on Turing, github.com/SK-Hardwired/nv_hevc_hdr_patcher, the open-source game youve... Scales does n't correspond on opinion ; back them up with references or experience. Proper amount of time that mp4 took current options for newer and older builds can be confusing, so 's! Would the reflected sun 's radiation melt ice in LEO for 1080p videos video and audio streams to. Little more apples to apples separate comments for every statement the -x265-params argument as. Original file size of the people on this forum different encoders, you! Size compared with H264 codecs retaining the same values for the remaining videos something 's right to able.

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