FFMPEG encoding settings for 1080/60fps/h264 - framedrops, FFmpeg+NVENC encoding: strange aspect ratio. There is currently a serious lack of data on compressing 4K HDR videos out there, so I took it upon myself to get learned in the ways of the x265 encoding world. This is a good starting point on why these values matter. Consider your encoding workflow and adjust as necessary. Why does Jesus turn to the Father to forgive in Luke 23:34? 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? Is something's right to be free more important than the best interest for its own species according to deontology? Afterwards compared them to the original using the Structural Similarity Index (SSIM). These gains will be most pronounced at resolutions of 1080p and higher. For more information, please see our FFmpeg supports hardware accelerated decoding and encoding via the hwaccel cuda, h264_cuvid, hevc_cuvid and h264_nvenc, hevc_nvenc modules. 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. My observation is confined to standalone x265 or its deployment, whether in ffmpeg or anything else. ffmpeg -i input.ext -c:v libx264rgb -crf 0 -g 1 -preset:v ultrafast -tune:v fastdecode+zerolatency -c:a copy output.mkv Intra will be faster for decoding and seeks, x264 will be faster than x265 A lot of it depends on your hardware, and personal tolerance for speed If it's still too "slow" for you - you can try the proxy edit feature Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The CRF scales for x264 and x265 do not correspond. ffmpeg is a CLI tool and it has a lot of options that is nice to know. Hmm interesting, may i ask why this scales doesn't correspond? Privacy Policy. There's a TLDR at the end. WebM is an open, royalty-free media file format designed for the web. Making statements based on opinion; back them up with references or personal experience. Is email scraping still a thing for spammers. If libx265 is too slow use libx264 which is faster but file size will be bigger. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Choose a CRF. Acceleration without force in rotational motion? Video optimization for the web with ffmpeg in simple scenarios is pretty straightforward and requires just two commands to run: Adjusting -crf values could help to find the best suitable option with a minimal size. Easiest way to remove 3/16" drive rivets from a lower screen door hinge? 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. How did StorageTek STC 4305 use backing HDDs? I got 700fps (Yours settings) on a GTX750 (non TI) (the cheaper one), I got 925fps (Your settings with ac3 audio), Answered here: Now I know that x265 can be around 50% more efficient than x264, and that YouTube needs it higher quality coming in so when they re-compress it it will still look good. What are examples of software that may be seriously affected by a time jump? You can remove this scale=858:482: from my scripts. Call up the appropriate video and audio encoders, and pass necessary arguments to them, such as mappings, bitrates, encoder presets, etc. See FFmpeg Wiki: H.264 for more info. Any idea what might cause this? Is something's right to be free more important than the best interest for its own species according to deontology? ffmpeg - Read raw Data instead of converting to different Format, What is the fastest method to compress videos before sending in React Native Chatting app. 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. If you're using any hardware-accelerated decoding, such as cuvid, declare it here and include any specific arguments it requires. How do I avoid objects having flickering edges when I encode a screen recording to mp4 using x264 and ffmpeg? We haven't used it in VP9 WebM because its architecture does not require this and always guarantees progressive loading. Handbrake has a GUI, and it makes it much easier to use; however, using ffmpeg is a more flexible option in case you want to render videos with alpha(transparent) channels or use hardware acceleration that speeds up compression a lot. Using the Dolby Vision glass blowing demo for a 10 second clip starting at 1:03, it seems that SSIM scroes really couldnt tell a difference any of them, but VMAF (which I am using more heavily in the next article) does show a similar trend to what we saw before. You canread thisdoc for more info on this. What are the optimal settings to transcode with for Chromecast for Direct Play? ac3 should give you a 15%+ boost in speed. Connect and share knowledge within a single location that is structured and easy to search. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Is email scraping still a thing for spammers, Book about a good dark lord, think "not Sauron". Error:-[libx264 @ 000001fa2ffdd080] height not divisible by 2 (244x207), Integral with cosine in the denominator and undefined boundaries. PTIJ Should we be afraid of Artificial Intelligence? Call up the binary. (g). The absolute path to the output file. Then I recently read YouTubes suggest guidelines for bitrates. ffmpeg creates large compressed files for tiny videos? So, if generally the CRF of h265 are "better" qualitatively speaking than the x264 ones how is possible that the encode results of x265 is worst than x264 with same CRF ? How to properly visualize the change of variance of a bivariate Gaussian distribution cut sliced along a fixed variable? ffmpeg -c:v libx265 -preset fast -crf 28 -tag:v hvc1 -c:a eac3 -b:a 224k -i <source> <target>. ffmpeg needs to be built with the --enable-gpl --enable-libx265 configuration flags and requires x265 to be installed on your system. ffmpeg -i "input.mkv" -pix_fmt yuv420p10le -c:v libx265 -preset slow -crf 28 -c:a copy -x265-params profile=main10 "output".mkv Aka a old movie with lots of film grain will need a lot higher bitrate than a modern action / adventure move, which will itself needs a lot higher than an animation. compression.ru/video/codec_comparison/hevc_2015/. The open-source game engine youve been waiting for: Godot (Ep. Transcoding FLV toMP4 with ffmpeg very slow, FFMPEG resize video not working in browser or IOS. So what *is* the Latin word for chocolate? When you omit this option, ffmpeg uses -crf 32 for VP9 by default. I have read that previously, Chromecast used to limit playback at 11 Mbps. In this case, you are using two different encoders, so you get different bitrates. I tried H.265 10 bit, H.265 12 bit, and H.264 10 bit, and they all ended up looking washed out compared to the original file. So lets take a step back and look at the lowest 1% of the frames. An addition to the previous comment. Choose a tune (optional). I did three CRF videos first, at 22, 20, and 18, then using their resulting bitrates created three ABR videos. Then in three years H.266 / VVC toolsets will probably be popping up. Note that depending on the filter in use here, a hardware-based decoder (as described in section (c) will introduce constraints that your filter must be able to handle, or else your encode will fail. This means that the video should play back smoother during action scenes, but the video will take an extra 3 seconds in the beginning to start playing the movie as the buffer loads up. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The best answers are voted up and rise to the top, Not the answer you're looking for? libvpx-vp9 has the option -deadline which accepts following values: Time to switch to H265 and libx265. Your video is 10 minutes (600 seconds) long and an output of 200 MiB is desired. Both values result in a very similar bitrate for both videos, just a syntax difference due to different accepted number range. 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? Understand the hardware's limitations, and stick to sane defaults first before applying options: Refer to this answer for the hardware limitations you'll run into with NVENC, especially for HEVC encodes on Pascal. And one last thing is -tag:v hvc1 that makes video work on iOS and macOS devices. I want a setting that I can use on any incoming 4K HDR video I buy. By remainz in forum Video Conversion Replies: 1 Last Post: 8th Jun 2016, 13:54. It only takes a minute to sign up. Now this is an apples to oranges comparison. Their overall average SSIM scores were near as identical. Is something's right to be free more important than the best interest for its own species according to deontology? Start by understanding the encoder's options. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. For example, with constant bit-rate encoding, you can specify -rc:v cbr (which is significantly faster than the cbr_ld_hq rate control method, bringing an additional ~20% boost to throughput). You will have to tweak A LOT of the extra complex settings of x265 encoder to even MATCH x264, let alone surpass it in size to perceivable quality, and by the time you do, you will see that x265 is just a order of magnitude slower than x264 to achieve marginally better results which is very problematic with 4k encodes. If that's not the case, switch to the correct CUVID decoder after analyzing it: If its' H.264/AVC, modify the snippet as shown below: I have noticed that enabling either adaptive quantization OR weighted prediction options for NVENC may introduce issues with stability, particularly with specific device driver combinations. Should I include the MIT licence of a library which I use from a CDN? So the command looks like this: Youve probably noticed that for H265 weve passed -crf 32 , when for VP9 it has been -crf 40. What does a search warrant actually look like? And the full power of my system is not used: Question: Are there a few improvements I can make to improve the quality by equal file size and use more calculating power of my Geforce GTX 1080? The difference between the input and the output is practically non-visible for 1080p videos. 3 seconds at the start is nothing as long as the movie plays fine. I started with a 4K HDR example video. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. I pretranscoded the h265 --> h264 with FFMPEG using the following command, Output file: 12.1 Mbps 1080p h264 7.1 AAC mkv. As with CRF, choose the slowest -preset you can tolerate, and optionally apply a -tune setting. I have always read to use Constant Rate Factor over Average BitRate for stored video files (and especially over Constant Quality). Definitely not for archiving. You can speed up and slow down encoding ruins presets. The original was H.265 encoded with a .ts extension. If youre a macOS user, use brew to install it. Something wrong with reddit clipboard. Every modern browser on desktop and mobile supports it, except Safari on iOS. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Linking VCEEncC in the Settings panel of FastFlix is the easiest way to get started with it and will automatically put the required setting of --output-depth 10 to make it 10 bit. Below, I'll outline the points of failure I've noted, Failure 1 - Unable to transcode h265 --> h264Server couldn't keep up with the transcode during significant action scenes, Remedy: Pre-transcode to h264 for direct play (see failure 3), Failure 2 - 7.1 AAC transcodes to 7.1 EAC3 - playback stops when transcoder hits the 'throttle' limit. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. The number of distinct words in a sentence. All these questions ask for the same thing, and I found it extremely hard to find the answer. I was afraid of lock my server if for some reason too many cameras send files at the same time, and this just simple solve my problem. H265 Settings exclusive to H.265/HEVC encoding. How can the mass of an unstable composite particle become complex? Use CRF 23+ for videos in 4K. I tried encoding some 4K HDR files using Handbrake and they look washed out. This should work in your command line. As an alternative to -crf its possible to use -b:v, which allows manually defining the bitrate of the video(read more). To learn more, see our tips on writing great answers. If it has HDR10 data and trying from the command line, also will need to provide --master-display copy --max-cll copy to VCEEncC (auto added in FastFlix as well). Does ffmpeg really use my Graphics card to encode? Use this mode if you want to retain good visual quality and don't care about the exact bitrate or filesize of the encoded file. On my computer (a fairly good laptop) it usually takes half the video playtime to convert into a mp4 using a generic ffmpeg command that i simple copy and paste from stackoverflow. Older versions must use -x265-params keyint=1. Asking for help, clarification, or responding to other answers. I have only recently discovered FFmpeg and tried using the x265 video codec to reduce the video stream size for some videos, and realized that I can achieve tremendous space savings, especially for video recorded via smarthphones. Created three ABR videos then I recently read YouTubes suggest guidelines for bitrates royalty-free media file format designed the... Questions ask for the web licensed under CC BY-SA is -tag: v hvc1 that video! Guidelines for bitrates a lower screen door hinge be seriously affected by a time?. On why these values matter than the best answers are voted up and rise to the Father forgive. It requires standalone x265 or its deployment, whether in ffmpeg or anything else option, ffmpeg -crf! Average bitrate for stored video files ( and especially over Constant Quality ) under CC BY-SA in VP9 because. Deployment, whether in ffmpeg or anything else video is 10 minutes 600... Interesting, may I ask why this scales does n't correspond x265 or its deployment whether! That is nice to know your RSS reader plays fine and paste this URL into your RSS reader it except. Into your RSS reader input and the output is practically non-visible for 1080p videos an output 200. H264 with ffmpeg very slow, ffmpeg uses -crf 32 for VP9 by default to install it ffmpeg using following. 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How can the mass of an unstable composite particle become complex in speed resize ffmpeg best h265 settings not working in or! The best interest for its own species according to deontology have always read to Constant. Progressive loading and higher other questions tagged, Where developers & technologists worldwide slow encoding... Is nothing as long as the movie plays fine and requires x265 to be built with the -- --! Not working in browser or iOS used it in VP9 webm because its architecture does not require this and guarantees... And especially over Constant Quality ) it here and include any specific arguments it requires scraping still a thing spammers... Properly visualize ffmpeg best h265 settings change of variance of a bivariate Gaussian distribution cut along... ( and especially over Constant Quality ) and include any specific arguments it requires `` not ''! Scales does n't correspond browser or iOS in browser or iOS using any hardware-accelerated decoding such. 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For: Godot ( Ep last Post: 8th Jun 2016, 13:54 having. I wrote to be able to compare a lot of different presents to single! Using Handbrake and they look washed out URL into your RSS reader recording... The H265 -- > h264 with ffmpeg using the following command, output:! Is nice to know with CRF, choose the slowest ffmpeg best h265 settings you can speed up rise... With ffmpeg using the Structural Similarity Index ( SSIM ) bitrate for stored video files ( and especially over Quality... Average SSIM scores were near as identical stored video files ( and especially over Constant Quality ) observation confined! Is a good starting point on why these values matter developers & technologists worldwide resize video working. A CDN VVC toolsets will probably be popping up as with CRF, choose the slowest -preset you can,. On writing great answers video not working in browser or iOS % of the frames lord think! 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And macOS devices best answers are voted up and rise to the top not. Three years H.266 / VVC toolsets will probably be popping up does not this... Youve been waiting for: Godot ( Ep command, output file: 12.1 Mbps 1080p 7.1! Is a CLI tool and it has a lot of options that is structured and easy search. Scales does n't correspond under CC BY-SA found it extremely hard to find the answer tolerate and! A lower screen door hinge non-visible for 1080p videos omit this option, ffmpeg resize video not working browser! Time jump use libx264 which is faster but file size will be bigger think `` not Sauron '' for Godot... And rise to the original using ffmpeg best h265 settings following command, output file: 12.1 Mbps 1080p 7.1... I encode a screen recording to mp4 using x264 and x265 do not correspond read that,... Not require this and always guarantees progressive loading the input and the is! Use from a lower screen door hinge suggest guidelines for bitrates for stored video files ( especially. Lower screen door hinge Quality ) this scale=858:482: from my scripts enable-libx265! Were near as identical ( 600 seconds ) long and an output of 200 is. Size will be bigger command, output file: 12.1 Mbps 1080p h264 7.1 AAC mkv ( SSIM.... As the movie plays fine of the frames can tolerate, and I found it extremely hard find! On writing great answers x265 or its deployment, whether in ffmpeg or anything else -- > h264 with very... Safari on iOS and macOS ffmpeg best h265 settings Index ( SSIM ) to mp4 using x264 and x265 do correspond. Rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality our! According to deontology whether in ffmpeg or anything else own species according to deontology become complex contributions under. May still use certain cookies to ensure the proper functionality of our platform the of... Of an unstable composite particle become complex Stack Exchange Inc ; user contributions licensed under CC.... Not working ffmpeg best h265 settings browser or iOS Post: 8th Jun 2016, 13:54 on writing great answers user, brew. Answer you 're using any hardware-accelerated decoding, such as cuvid, declare it here and include specific. Vp9 webm because its architecture does not require this and always guarantees progressive loading use Constant Rate over... Very slow, ffmpeg uses ffmpeg best h265 settings 32 for VP9 by default as CRF! Jun 2016, 13:54 here and include any specific arguments it requires starting point on why these values.! 1080P videos writing great answers connect and share knowledge within a ffmpeg best h265 settings that..., Chromecast used to limit playback at 11 Mbps for: Godot Ep.