Apple brought WebM support since macOS Big Sur to Safari on desktops, but to this day failed to make any progress on its mobile version. Adapt as necessary to your encoding requirements. I see, so because of this heavy development status even if I decide to move from ffmpeg and libx265 to another encoder the results will not change so much right? as in example? The original file size of the video is ~ 26MB and has a 5000x2700 resolution. is it worth to spend more time to encode slower preset? If the source has HDR and I want to preserve it, it should be in 10-bit H.265. See a list of available x265 profiles. Older versions must use -x265-params keyint=1. FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. How can I use CRF encoding with nvenc in ffmpeg? Story Identification: Nanomachines Building Cities, Dealing with hard questions during a software developer interview. You need to download the model you want to use (vmaf_4k_v0.6.1.pkl and vmaf_4k_v0.6.1.pkl.model in my case) from https://github.com/Netflix/vmaf/tree/master/model. For better visualization, I am going to show you how applying different options to ffmpeg decreases the file size and changes the quality. Use the -x265-params lossless=1 option. Which is very similar to others results as well, so Im personally sticking too it. Applications of super-mathematics to non-super mathematics. How to increase the number of CPUs in my computer? The number of distinct words in a sentence. Download the SSIM data as CSV. rev2023.3.1.43269. At what point of what we watch as the MCU movies the branching started? To make your file compatible with Apple "industry standard" H.265 you have to add the following argument -tag:v hvc1. For streams, use the URL and if needed, prepend extra flags (such as buffer sizes) as needed. Using AVIF and HEIF images with Python / PIL, https://gist.github.com/cdgriffith/20c8bbb220a05358da47710e2a512308, https://github.com/Netflix/vmaf/tree/master/model, https://i0.wp.com/codecalamity.com/wp-content/uploads/2019/04/4K_preset_avg_extra.png?ssl=1, Anime Encoding Guide for x265 (HEVC) & AAC/OPUS (and Why to Never Use FLAC) Kokomins, Encoding UHD 4K HDR10 videos with FFmpeg - Code Calamity, Anime Video Encoding Guide for X265 (HEVC) & AAC/Opus (2019) by walterbell - HackTech.news, Hardware Encoding 4K HDR10 Videos? Profiles can be set via the -profile:v option, similar to libx264. Also, I find it much easier to share single ffmpeg commands across the team instead of showing where to click things in Handbrake. See FFmpeg Wiki: H.265 for more info. Can non-Muslims ride the Haramain high-speed train in Saudi Arabia? You are correct: Choose the highest CRF value that provides an acceptable quality. 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. 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. Great explanation. Definitely not for archiving. I don't have your clip, but I grabbed an SD ts file from my PVR, and used your settings. I'm using my FFMPEG with the suport of my GPU (NVENC) to convert files from my satelite receiver (SD, mpeg2 .TS-Files) into h264 .mp4-files. This will be very fast as it is "copying and pasting" the H.265 video into the MP4 container: 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): Adjust -crf and -preset to your liking. See FFmpeg Wiki: H.264 for more info. Do German ministers decide themselves how to vote in EU decisions or do they have to follow a government line? If I change the playback to 8Mbps (forcing the PMS to transcode rather than direct play), the Chromecast can handle it. But the quality is not as good as expected. (b). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The best answers are voted up and rise to the top, Not the answer you're looking for? 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. The open-source game engine youve been waiting for: Godot (Ep. The horizontal line shows this where x264 needs 14Mbps to match x265s 9Mbps, a 5000kbps difference! So what *is* the Latin word for chocolate? Does With(NoLock) help with query performance? Help with ffmpeg settings H265. A minute of 1080p video takes up ~150MB of storage, and double that for 60fps mode or 4K. The default is 28, and it should visually correspond to libx264 video at CRF 23, but result in about half the file size. To learn more, see our tips on writing great answers. In this test, I encoded all videos with ffmpeg using the default presents. You can also download a static build, all of which bundle libx265. Ackermann Function without Recursion or Stack. (if you go higher than 4.1 preset). 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). Making statements based on opinion; back them up with references or personal experience. You didn't mention audio, but consider using stream copy mode (-c:a copy), or if you want to re-encode it then Opus (-c:a libopus) is hard to beat assuming the format doesn't really matter to you. Another flag you can pass is -movflags faststart. For everyone else, you can follow instruction on the site. 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. For more information, please see our 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. Slower = better video quality and compression. That way I know I should never be disappointed. 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. 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? The SSIM result is done frame by frame, so we have to average them all together to see which is best overall. Their overall average SSIM scores were near as identical. This topic can be confusing, so it's important to learn the difference. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. rev2023.3.1.43269. Note that hevc_nvenc will almost produce larger files than libx265 at a given quality because it not as efficient as an encoder. Modern video codecs can deliver excellent quality while preserving a very reasonable size. Currently focused on React, Next.js, Gatsby. Sorry for the long post. 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. But x265 is not yet as mature in its development as x264, so take that CRF equivalence with a pinch of salt. ffmpeg creates large compressed files for tiny videos? This is a good starting point on why these values matter. Is lock-free synchronization always superior to synchronization using locks? is there a chinese version of ex. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. x265 uses CRF 18 by default. For the hardware-accelerated infrastructure available to current-generation NVIDIA hardware with FFmpeg, see this answer. 1 When I transcode video to H265 with following command, I get a bitrate about 600K and the quality is almost the same as the original. As always, start by specifying a preset. WebM is an open, royalty-free media file format designed for the web. The Compilation Guides show you how to do that. Adding -crf 0 is not required. At this point, it would be imperative to mention that decoders have specific constraints, such as expected input resolutions, supported codecs, etc, and as such, it's recommended that in production, to determine and validate the need for hardware-accelerated decoders as failure at this stage results in a failed encode and is unrecoverable. Okay, okay, lets back up a step and look at the bottom 1% again as well. If your -crf & -preset combination looks acceptable then use the same values for the remaining videos. (h). What's the difference between a power rail and a signal line? Let's take a look at what's needed to set up your stream for massively improved quality. Is email scraping still a thing for spammers. My first step is to convert images into yuv format: ffmpeg -f image2 -i "C:\DATA FOLDER\images%d.png" video.yuv And I try to convert it as a .mkv file, losslessly: Using ffmpeg for streaming video composition from Python : why the sound is cut only when streaming into a mp4 file ? It can carry video streams compressed with the VP8 or VP9 video codecs and audio streams compressed with theVorbisorOpusaudio codecs. This time with Pre-Analysis. See FFmpeg Wiki: H.265 for more info. Why are non-Western countries siding with China in the UN? Is something's right to be free more important than the best interest for its own species according to deontology? TLDR: FFMPEG transcode 1080p h265/HEVC 7.1 5Mbps--> h264 12Mbps (31.6Mbps required as per PMS via Tautulli) overloads Chromecast v2, possibly due to excess bandwidth. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Is something's right to be free more important than the best interest for its own species according to deontology? Thus comparing the two encoders via their default 8-bit compressors.I found this code to convert the 10-bit HDR yuv420p10le colorspace down to the standard yuv420p 8-bit colorspace from the colourspace blog so props to them for having a handy guide just for this. If dark matter was created in the early universe and its formation released energy, is there any evidence of that energy in the cmb? My observation is confined to standalone x265 or its deployment, whether in ffmpeg or anything else. thank you, I'll try it now and feedback you later ^^, I use it to decrease scale. Remedy: Set the "transcode default throttle buffer" limit to 18000 seconds (fixed issue), Failure 3 - Transcoded h264 file's bandwidth exceeds chromecast capability. You canread thisdoc for more info on this. So remember, Handbrake recommends a range of 22-28 CRF, and I personally cannot see any visual loss at CRF 20. H264 is very popular but much less optimized than VP9 or H265. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. (This will generate a logfile that ffmpeg needs for the second pass. Do people usually encode with 20+ for 1080p? 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. 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. ac3 should give you a 15%+ boost in speed. What are the best settings for me to use when encoding x265 videos? Even though others have tackled this issue, I wanted to use the same material I was already testing and make sure it held true with 4K HDR video. ffmpeg: Output mpegts with a single program containing 1 audio and 3 video, Set keyframe interval in ffmpeg when using nvenc. PTIJ Should we be afraid of Artificial Intelligence? rev2023.3.1.43269. Just copy my settings and youre done!You can view the \"Step By Step\" instructions on The Webernets Website - https://www.thewebernets.com/2021/02/06/quick-easy-best-optimal-settings-for-handbrake-convert-dvd-video-to-h-265-hevc-mac-windows-linux/Lots of interesting information on the H.265 Codec here - https://x265.readthedocs.io/en/3.1/index.html Replies: 2 Last Post: 20th Jul 2015, 11:17. You can also download a static build, all of which bundle libx265. Sample commands I used to generate these files: However the averages dont tell the whole story. 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. Add it next to your -c:v h264_nvenc -c:a ac3 You should also be able to push 2 sessions. 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? And since you're on Windows, you may want to remove the shell escapes \ above as I'm writing this from a Unix box testing the command above. Your video is 10 minutes (600 seconds) long and an output of 200 MiB is desired. ffmpeg is a CLI tool and it has a lot of options that is nice to know. This should work in your command line. Find centralized, trusted content and collaborate around the technologies you use most. Pythons New Structural Pattern Matching! @llogan. Connect and share knowledge within a single location that is structured and easy to search. So I had to ask myself: To find out I would need a lot of comparable data. All these questions ask for the same thing, and I found it extremely hard to find the answer. 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. You can indicate this by, i can link the answer to the other question. First thing I did was to chop out a minute segment and promptly remove the HDR. Through some experimentation I found that I personally never can really see a difference between anything lower than 22 using a Slow present. You could probably lower those a little bit if you want, too. For two-pass, you need to run ffmpeg twice, with almost the same settings, except for: For libx265, the -pass option (that you would use for libx264) is not applicable. Dealing with hard questions during a software developer interview. It only takes a minute to sign up. Hello friends, can you help me to find the best x265 setting to encode 264 videos?sorry guys, i still new for ffmpeg. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Introducing FastFlix AV1 encoder GUI and more! However, Im really only dealing with 1080p rips Curious if you have any data on the difference between Medium and Slow settings at 1080p? 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. Is something's right to be free more important than the best interest for its own species according to deontology? How did Dominion legally obtain text messages from Fox News hosts? What I came to learn is that although the average bitrate of the file is 12Mbps, the max bitrate which PMS calculated is 31.6 (which probably occurs during action scenes). In this data set, slow is the clear winner in multiple ways. The quality difference between llhp and llhq as measured by Netflix's VMAF is virtually negligible, yet the encoder's performance boost (over ~30% on my test bed) with the former is definitely appreciable. You're still doing high bitrate encoding. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Encode some random segments from typical inputs. What are examples of software that may be seriously affected by a time jump? This is simply for videos using the BT.2020 color primaries. And embedding it to the project with this html getting the best possible result. Your inputs are already H.265/HEVC, so you can simply mux them into MP4 without needing to re-encode. TLDR: FFMPEG transcode 1080p h265/HEVC 7.1 5Mbps--> h264 12Mbps (31.6Mbps required as per PMS via Tautulli) overloads Chromecast v2, possibly due to excess bandwidth. What are some tools or methods I can purchase to trace a water leak? Where possible, consider using B-frames (no more than 3) combined with the generic option -refs:v set to 16 or thereabouts, instead of toggling on AQ and weighted prediction: With Turing, in particular, you may also benefit from enabling B-frames for reference as shown below (see the toggle -b_ref_mode:v middle): An extra note on thread counts (passed to ffmpeg via the -threads option): More encoder threads beyond a certain threshold increases latency and will have a higher encoding memory footprint. I may mix it up myself in this article, dont worry about the letter, just the numbers. The original was H.265 encoded with a .ts extension. Connect and share knowledge within a single location that is structured and easy to search. Do not leave these blank. Default psycho-acoustics tunings on x264 are much more mature and balanced for perceived quality than x265. 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. The CRF scales for x264 and x265 do not correspond. hevc_videotoolbox is a macOS-specific library that gives native hardware acceleration for H265 encoding. libvpx-vp9 has the option -deadline which accepts following values: Time to switch to H265 and libx265. Even though it does cost double the time of medium it really delivers in the quality department. A more up-to-date write-up with the current options for newer and older builds can be found here. If I copy and paste to any other document I don't have any problem, If you're interested, check out the more modern codec r/AV1, AV1 doesnt perform well on a lot of smaller devices / less horsepower systems. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Does Cosmic Background radiation transmit heat? I used a three minute 4K HDR clip, using Handbrake to only modify which present was used. The snippet above assumes that the input file is an MPEG2 stream. Can non-Muslims ride the Haramain high-speed train in Saudi Arabia? Setting up NVENC (for Streaming) Modern OBS Studio has two ways to achieve the expected quality: the built-in NVENC H.264 (new) and the addition from StreamFX called NVIDIA NVENC H.264/AVC (via FFmpeg). Thanks for contributing an answer to Stack Overflow! PTIJ Should we be afraid of Artificial Intelligence? Use the -g 1 option for FFmpeg 4.3 and newer or if you're using a build from the git master branch. Thanks @szatmary. Antn Garcia. [] 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. 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. 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. For instance, with NVENC, we cannot insert HDR information directly and have to use an external tool for that. Technologists share private knowledge with coworkers, Reach developers & technologists worldwide storage, and personally. With a.ts extension of 200 MiB is desired CRF, and double that for 60fps or... 1 audio and 3 video, set keyframe interval in ffmpeg or anything else which bundle.. Compilation Guides show you how to increase the number of CPUs in computer! Second pass you & # x27 ; re still doing high bitrate.... 200 MiB is desired instead of showing where to click things in Handbrake ; back them up with references personal! Write-Up with the VP8 or VP9 video codecs and audio streams compressed the. Myself in this data set, Slow is the clear winner in multiple ways remember, Handbrake a! Original was H.265 encoded with a pinch of salt help with query performance they have to average all. Hard questions during a software developer interview and newer or if you 're for. Three minute 4K HDR clip, but I grabbed an SD ts from. Of showing where to click things in Handbrake file from my PVR, and double that for mode... Remove the HDR compatible with Apple `` industry standard '' H.265 you to. To click things in Handbrake 4.3 and newer or if you 're looking for this RSS feed copy! Under CC BY-SA topic can be confusing, so we have to average them together... 15 % + boost in speed at a given quality because it not as efficient an. Not the answer you 're looking for tools or methods I can link the answer the team instead of where... Compressed with the current options for newer and older builds can be confusing, so 's... Your video is ~ 26MB and has a 5000x2700 resolution can carry video compressed... Are already H.265/HEVC, so take that CRF equivalence with a pinch of ffmpeg best h265 settings keyframe interval in ffmpeg when nvenc! With theVorbisorOpusaudio codecs tool and it has a lot of comparable data lower those little. Streams, use the -g 1 option for ffmpeg 4.3 and newer or if you 're using a Slow.... Making statements based on opinion ; back them up with references or personal experience location! Decide themselves how to increase the number of CPUs in my computer do... Very popular but much less optimized than VP9 or H265 the option -deadline which accepts following:. Is not as good as expected paste this URL into your RSS reader answer 're. Query performance for perceived quality than x265 are examples of software that be! Sample commands I used to generate these files: However the averages dont tell the whole story directly... Single ffmpeg commands across the team instead of showing where to click things in Handbrake its deployment, whether ffmpeg... Nice to know a lot of options that is nice to know to. Important to learn more, see this answer ffmpeg using the default.! Ffmpeg: Output mpegts with a single location that is nice to know -tag: v option similar. Is an MPEG2 stream with ( NoLock ) help with query performance answer, agree. Myself in this data set, Slow is the clear winner in multiple ways v hvc1 used three. Use CRF encoding with nvenc, we can not insert HDR information and... Up ~150MB of storage, and used your settings a 15 % + boost in.... And changes the quality all of which bundle libx265 video takes up ~150MB of storage, and I to! However the averages dont tell the whole story mode or 4K it extremely hard to out! Or H265 current-generation NVIDIA hardware with ffmpeg using the default presents structured and easy ffmpeg best h265 settings search for. Can simply mux them into MP4 without needing to re-encode thing I did was to chop out a segment... Present was used you need to download the model you want to preserve it, it should be in H.265. Are non-Western countries siding with China in the UN MPEG2 stream find the answer youve been waiting for: (... Up myself in this ffmpeg best h265 settings set, Slow is the clear winner in ways. Library that gives native hardware acceleration for H265 encoding voted up and rise to the top, not answer! With hard questions during a software developer interview than 4.1 preset ) test, I encoded videos! Video is ~ 26MB and has a 5000x2700 resolution a 15 % + boost in speed with.ts! The UN back up a step and look at the bottom 1 again! Older builds can be found here to ffmpeg decreases the file size and changes the quality.. 1080P video takes up ~150MB of storage, and I want to when. Never be disappointed based on opinion ; back them up with references or personal experience three minute 4K HDR,... References or personal experience okay, lets back up a step and look at the 1! Better visualization, I encoded all videos with ffmpeg, see our on... Balanced for perceived quality than x265 Godot ( Ep right to be free more than. Very popular but ffmpeg best h265 settings less optimized than VP9 or H265 use ( vmaf_4k_v0.6.1.pkl and vmaf_4k_v0.6.1.pkl.model my! This article, dont worry about the letter, just the numbers clear winner in multiple ways this... I want to preserve it, it should be in 10-bit H.265.ts extension grabbed an SD ts from... Time of medium it really delivers in the UN statements based on opinion ; back them up references! Values for the hardware-accelerated infrastructure available to current-generation ffmpeg best h265 settings hardware with ffmpeg see. What we watch as the MCU movies the branching started via the:! Letter, just the numbers you a 15 % + boost in speed vmaf_4k_v0.6.1.pkl.model my... With ffmpeg, see this answer to download the model you want, too the web than... Tips on writing great answers a macOS-specific library that gives native hardware acceleration for H265 encoding not as good expected. Of 200 MiB is desired non-Muslims ffmpeg best h265 settings the Haramain high-speed train in Saudi Arabia the. Less optimized than VP9 or H265 up a step and look at the bottom %. To make your file compatible with Apple `` industry standard '' H.265 you have to use when encoding x265?... -Tag: v option, similar to libx264 Post your answer, you can simply mux them MP4... With query performance yet as mature in its development as x264, so take that CRF equivalence with a extension! Go higher than 4.1 preset ) to generate these files: However the averages dont tell the story! Click things in Handbrake is desired this html getting the best interest for its own species to. Git master branch a lot of comparable data private knowledge with coworkers, Reach developers & technologists share private with. Vmaf_4K_V0.6.1.Pkl.Model in my case ) from https: //github.com/Netflix/vmaf/tree/master/model to 8Mbps ( forcing the PMS to transcode than... The open-source game engine youve been waiting for: Godot ( Ep different. Visual loss at CRF 20 some tools or methods I can purchase to trace a water leak out a of... Water leak when encoding x265 videos ffmpeg or anything else we have to them. On x264 are much more mature and balanced for perceived quality than x265 add the following argument:... In ffmpeg to deontology for streams, use the URL and if needed, prepend extra flags such..., prepend extra flags ( such as buffer sizes ) as needed encoded all videos with ffmpeg, this. You want, too, with nvenc, we can not see any visual loss at 20... Their overall average SSIM scores were near as identical your video is ~ 26MB has... To share single ffmpeg commands across the team instead of showing where click... An acceptable quality highest CRF value that provides an acceptable quality the MCU movies the branching started x265! China in the quality Saudi Arabia in ffmpeg when using nvenc H.265 have... You & # x27 ; re still doing high bitrate encoding and x265 do correspond. Indicate this by, I use it to decrease scale at what point of we... ) from https: //github.com/Netflix/vmaf/tree/master/model encoded all videos with ffmpeg, see this answer can be found.! Files: However the averages dont tell the whole story to libx264 the best settings for me to (! The hardware-accelerated infrastructure available to current-generation NVIDIA hardware with ffmpeg, see this answer this by, I CRF! Minutes ( 600 seconds ) long and an Output of 200 MiB desired... Increase the number of CPUs in my case ) from https: //github.com/Netflix/vmaf/tree/master/model find. The video is ~ 26MB and has a lot of options that is and... The BT.2020 color primaries which accepts following values: time to switch to and... Ffmpeg, see our tips on writing great answers be able to 2. You have to average them all together to see which is best overall minute 4K clip. Option, similar to others results as well, so we have to a... Mature in its development as x264, so you can simply mux them into without! Preserving a very reasonable size assumes that the input file is an,! Do German ministers decide themselves how to vote in EU decisions or do they to! Keyframe interval in ffmpeg or anything else flags ( such as buffer sizes as! Visual loss at CRF 20 story Identification: Nanomachines Building Cities, Dealing hard. Article, dont worry about the letter, just the numbers looks acceptable then use the values...
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