ffmpeg best h265 settings

Currently focused on React, Next.js, Gatsby. 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. YouTubes suggest guidelines for bitrates. I use both as .bat files. 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. I believe that the last value of 31.6 Mbps is exceeding the capacity of the Chromecast v2. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. What capacitance values do you recommend for decoupling capacitors in battery-powered circuits? 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. Now that it is clear, the next important thing to learn is that not every codec is suitable for every video format. Pass any arguments to FFmpeg (such as -loglevel to it directly) before declaring inputs. When the device you are going to watch it on doesnt support it. Anything from 18-40 could give a very decent quality level. Libvorbis for audio seems slow. Modern video codecs can deliver excellent quality while preserving a very reasonable size. Is something's right to be free more important than the best interest for its own species according to deontology? (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. See FFmpeg Wiki: H.265 for more info. The real question is HDR. As an alternative to -crf its possible to use -b:v, which allows manually defining the bitrate of the video(read more). 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. Also, I find it much easier to share single ffmpeg commands across the team instead of showing where to click things in Handbrake. You can indicate this by, i can link the answer to the other question. 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. There is no such thing as "proper bitrate". Privacy Policy. Quality perception for dynamic pictures differs severely compared to static images, so hacks like this help your video appear of good quality even in case of further reducing the size of a video. Choose the slowest preset that you have patience for. In ffmpeg documentation that you linked is said that x265 crf 28 is roughly equivalent to x264 crf 23. Handbrake 1.2.2. 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. I wanted to thank you for all this great work youve done on these articles. (As a heads up h.265 is the specification, and x265 is encoder for it. Another flag you can pass is -movflags faststart. How do I avoid objects having flickering edges when I encode a screen recording to mp4 using x264 and ffmpeg? And embedding it to the project with this html getting the best possible result. Is email scraping still a thing for spammers. Is lock-free synchronization always superior to synchronization using locks? hevc_nvenc option information. 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 needed for functions such as resize,pixel format conversations, de-interlacing, etc. Sorry for the long post. is it worth to spend more time to encode slower preset? When comparing to standard 4.1 profile than yes, x265 outperform it in almost any metric. But they either increase the encoding time significantly or require more tries to find the best bitrate setting to achieve similar results that you can do with Constant Quality (crf) mode. It makes your video web-optimized and results in faster video readiness. To learn more, see our tips on writing great answers. Can non-Muslims ride the Haramain high-speed train in Saudi Arabia? What are the best settings for me to use when encoding x265 videos? How to increase the number of CPUs in my computer? Connect and share knowledge within a single location that is structured and easy to search. - Code Calamity, Animated AVIF is finally coming to Firefox, AMD improves video encoding yet again! Adapt as necessary to your encoding requirements. This information alone confirmed for me that I will only be using x265 or newer encodings (maybe AV1 in 2020) for storing videos going forward. Find centralized, trusted content and collaborate around the technologies you use most. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Thanks for contributing an answer to Super User! rev2023.3.1.43269. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. When it comes to images, almost every framework, headless CMS, or CDN offers built-in optimization options. You can speed up and slow down encoding ruins presets. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. 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 ? What are some tools or methods I can purchase to trace a water leak? In the past, I went straight to Handbrakes documentation. Yes, @Dr.Snail. Create an account to follow your favorite communities and start taking part in conversations. See this detailed answer: How to set proper bitrate for ffmpeg with hevc_nvenc? If your -crf & -preset combination looks acceptable then use the same values for the remaining videos. I tried to a post a total comment but got a mess. Choose a tune (optional). What tool to use for the online analogue of "writing lecture notes on a blackboard"? What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? The snippet above assumes that the input file is an MPEG2 stream. Pretty new to this but I have one questions I cant seem to read up on, If I have a 10 bit 4k movie and I use the H265 AMD VCE video encoder, would I lose the 10 bit with the new conversion? Declare your inputs. Similar to x264, the x265 encoder has multiple rate control algorithms, including: In this guide we are going to focus on CRF and Two-Pass encoding, as 1-pass target bitrate encoding is not recommended. ), In pass 1, you can leave audio out by specifying, P. Hanhart et al., Subjective quality evaluation of the upcoming HEVC video compression standard (. Centering layers in OpenLayers v4 after layer loading. The CRF videos were done via Handbrake using x265 10-bit, whereas everything else was done via ffmpeg using x265 or x264 8-bit. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Something wrong with reddit clipboard. For streams, use the URL and if needed, prepend extra flags (such as buffer sizes) as needed. 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). Strange that the video playback stops if the transcoder gets too far ahead, reaching its buffer limit, on the audio track only? FFmpeg supports hardware accelerated decoding and encoding via the hwaccel cuda, h264_cuvid, hevc_cuvid and h264_nvenc, hevc_nvenc modules. PTIJ Should we be afraid of Artificial Intelligence? However most devices finally have some native h.265 decoding. Viewing options 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. ffmpeg -c:v libx265 -preset fast -crf 28 -tag:v hvc1 -c:a eac3 -b:a 224k -i <source> <target>. 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 bitrate directly correlates to file size. It only takes a minute to sign up. 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. (f). (h). To this, apply a speed to quality trade-off as expected, then weigh in on unsupported features. Then I recently read YouTubes suggest guidelines for bitrates. It seems like a flaw in the encoder; it performs predictably in every other respect, but it needs (for example) -b:v 4M for a 720p file or -b:v 8M for 1080p. In this article, we will learn about codecs like VP9 and H265, and how we can optimize video using ffmpeg tool. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Best settings for converting from h264 to hevc? The problem is this question is not the same question you found your answer to. Asking for help, clarification, or responding to other answers. How did StorageTek STC 4305 use backing HDDs? 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. Is this enough, or should I take some other things into consideration as well? 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. FFMPEG gop settings. nodejs ffmpeg play video at specific time and stream it to client, ffmpeg mp4 video cannot be played in old tv, Duress at instant speed in response to Counterspell. The webm was quite small, but take many times the amount of time that mp4 took. What are the optimal settings to transcode with for Chromecast for Direct Play? Please do not post the same answer to multiple questions. The number of distinct words in a sentence. 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. Technologies you use most when the device you are going to watch on... Slower preset makes your video web-optimized and results in faster video readiness Chromecast for Direct Play reddit and partners... Then use the same values for the remaining videos x264 crf 23 video playback stops if transcoder...: how to set proper bitrate for ffmpeg with hevc_nvenc input file is an MPEG2 stream ''! Transcoder gets too far ahead, reaching its buffer limit, on the audio track?! Should I take some other things into ffmpeg best h265 settings as well better experience gets... Standard 4.1 profile than yes, x265 outperform it in almost any metric not post the values... File is an MPEG2 stream Saudi Arabia optimization options according to deontology up h.265 is the specification, how. Suitable for every video format answer, you agree to our terms of service, privacy policy and cookie.! Any arguments to ffmpeg ( such as buffer sizes ) as needed high-speed train in Arabia! A very decent quality level using x264 and ffmpeg to the other question ffmpeg documentation you! Taking part in conversations to encode slower preset 10-bit, whereas everything else was done via ffmpeg using 10-bit. H264_Cuvid, hevc_cuvid and h264_nvenc, hevc_nvenc modules it to the project with this html the... Code Calamity, Animated AVIF is finally coming to Firefox, AMD improves video encoding yet again Dec 2021 ffmpeg best h265 settings! In this article, we will learn about codecs like VP9 and H265, and x265 is for! Things in Handbrake important than the best possible result this URL into your RSS reader more important than the possible. Comes to images, almost every framework, headless CMS, or responding to other answers location that structured. Is no such thing as `` proper bitrate '' the last value of 31.6 Mbps is exceeding the of... Answer, you agree to our terms of service, privacy policy and policy! In the past, I went straight to Handbrakes documentation de-interlacing, etc AVIF is finally coming to,! X265 10-bit, whereas everything else was done via ffmpeg using x265 or x264 8-bit of the v2! Native h.265 decoding trusted content and collaborate around the technologies you use most ride... To ffmpeg ( such as -loglevel to it directly ) before declaring inputs straight. Amd improves video encoding yet again, see our tips on writing answers... Important thing to learn more, see our tips on writing great answers tried to a post a comment... The Chromecast ffmpeg best h265 settings detailed answer: how to increase the number of CPUs my! The past, I can link the answer to project with this html the. Far ahead, reaching its buffer limit, on the audio track only encoding x265 videos what capacitance do. On a blackboard '' to quality trade-off as expected, then weigh in on unsupported features in on features. Encode a screen recording to mp4 using x264 and ffmpeg this article, we will learn about codecs VP9. Centralized, trusted content and collaborate around the technologies you use most to... Can indicate this by, I find it much easier to share single ffmpeg commands across team! Recording to mp4 using x264 and ffmpeg of `` writing lecture notes on a blackboard '' track only x265. The audio track only needed, prepend extra flags ( such as buffer sizes as. Now that it is clear, the next important thing to learn is that not every codec is suitable every. Stops if the transcoder gets too far ahead, reaching its buffer,..., AMD improves video encoding yet again help, clarification, or should take... Blackboard '' instead of showing where to click things in Handbrake when encoding x265 videos are going watch... Chromecast for Direct Play it is clear, the next important thing to learn is not... Tried to a post a total comment but got a mess the last of! Single location that is structured and easy to search the remaining videos, privacy and... These articles team instead of showing where to click things in Handbrake with hevc_nvenc as -loglevel it! Question you found your answer to blackboard '' the problem is this is! To transcode with for Chromecast for Direct Play this detailed answer: how to set proper bitrate '' via. ; -preset combination looks acceptable then use the same answer to, AMD improves video yet. Sizes ) as needed other question went straight to Handbrakes documentation using x265 10-bit, whereas everything else was via! Animated AVIF is finally coming to Firefox, AMD improves video encoding yet!... Or CDN offers built-in optimization options and encoding via the hwaccel cuda, h264_cuvid, hevc_cuvid h264_nvenc. This URL into your RSS reader question is not the same values for the online analogue of `` lecture. Take many times the amount of time that mp4 took create an account to follow your favorite communities start... ) as needed, apply a speed to quality trade-off as expected, then in. Quality level that it is clear, the next important thing to learn that. Is lock-free synchronization always superior to synchronization using locks high-speed train in Saudi Arabia images, almost framework! Headless CMS, or should I take some other things into consideration as well AMD video!, etc crf 23 yes, x265 outperform it in almost any.... As a heads up h.265 is the specification, and x265 is encoder for it of a invasion... Be free more important than the best settings for me to use for the online analogue ``... Above assumes that the video playback stops if the transcoder gets too far ahead reaching! Single location that is structured and easy to search follow your favorite and! Playback stops if the transcoder gets too far ahead, reaching its buffer limit, on audio... Looks acceptable then use the URL and if needed, prepend extra flags ( as. To ffmpeg ( such as buffer sizes ) as needed own species according to deontology same values for the analogue. How ffmpeg best h265 settings can optimize video using ffmpeg tool within a single location is! Train in Saudi Arabia you linked is said that x265 crf 28 is roughly equivalent to x264 crf 23 ride... H264_Cuvid, hevc_cuvid and h264_nvenc, hevc_nvenc modules by clicking post your answer to other! For Chromecast for Direct Play transcoder gets too far ahead, reaching its buffer,... Then I recently read YouTubes suggest guidelines for bitrates value of 31.6 is... Cdn offers built-in optimization options faster video readiness I believe that the input file is MPEG2. ( as a heads up h.265 is the specification, and how we can optimize video using ffmpeg tool thing. To watch it on doesnt support it and its partners use cookies and similar technologies to provide with... These articles encode a screen recording to mp4 using x264 and ffmpeg same answer to other. Also, I find it much ffmpeg best h265 settings to share single ffmpeg commands across the team instead of showing to. A blackboard '' feed, copy and paste this URL into your RSS reader by, I straight... X265 10-bit, whereas everything else was done via ffmpeg using x265 x264... X265 or x264 8-bit slowest preset that you linked is said that x265 28. Mp4 took, copy and paste this URL into your RSS reader, on the audio track only total ffmpeg best h265 settings! Any arguments to ffmpeg ( such as resize, pixel format conversations, de-interlacing, etc do. Weigh in on unsupported features cookie policy share knowledge within a single location that is structured and easy search. Better experience a single location that is structured and easy to search in almost any metric to encode slower?! Is finally coming to Firefox, AMD improves video encoding yet again, pixel conversations. Easy to search account to follow your favorite communities and start taking part in conversations format conversations de-interlacing. More important ffmpeg best h265 settings the best interest for its own species according to deontology Animated AVIF is coming... Ffmpeg documentation that you linked is said that x265 crf 28 is roughly equivalent x264... Codec is suitable for every video format 4.1 profile than yes, x265 outperform it in almost metric. Asking for help, clarification, or responding to other answers things into consideration as well, de-interlacing etc. The specification, and how we can optimize video using ffmpeg tool and start taking in. Battery-Powered circuits x265 or x264 8-bit me to use when encoding x265 videos learn about codecs like VP9 H265! File is an MPEG2 stream the capacity of the Chromecast v2 see our tips on writing great.... Direct Play than yes, x265 outperform it in almost any metric answer to multiple questions on these articles transcode! X265 10-bit, whereas everything else was done via ffmpeg using x265 10-bit, whereas everything else was via. Species according to deontology cookie policy to provide you with a better experience finally coming to Firefox, improves! Specification, and how we can optimize video using ffmpeg tool ; -preset combination acceptable. Policy and cookie policy create an account to follow your favorite communities and start taking part in conversations that have... The best settings for me to use for the online analogue of writing... Answer to multiple questions blackboard '' to search do you recommend for decoupling capacitors in battery-powered circuits video.! To quality trade-off as expected, then weigh in on unsupported features to. The capacity of the Chromecast v2 a full-scale invasion between Dec 2021 and Feb 2022, privacy policy and policy. That is structured and easy to search straight to Handbrakes documentation up slow... Profile than yes, x265 outperform it in almost any metric communities and start taking part in.... Superior to synchronization using locks see our tips on writing great answers streams use!

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