Nvenc presets ffmpeg. Most of my NVENC knowledge is in ffmpeg directly.

Nvenc presets ffmpeg Could anyone point me in the right direction? Thanks so much! Mar 15, 2021 · The video hosting website LBRY suggests users try the following command to compress their uploads: ffmpeg -i input. Looking at random guides and forum posts online, there’s obviously a lot of cargo-culting of compression parameters, and it’s not clear at all to me what the best choices are. The hardware encoder and hardware decoder are referred to as NVENC and NVDEC, respectively, in the rest of the document. Few things to note: REM basically comments out the line so if you want to change encoder to hevc_nvenc (H. Mar 27, 2025 · A preset refers to a predefined set of internal encoding parameters that determine the trade-off between video quality and encoding speed. I am trying to optimize for video quality, so I am using these options: -profile:v main -b_ref_mode 0 -preset p7 -tune hq -rc vbr May 21, 2025 · Optimizing Encoding Speed and Quality NVENC offers several options to balance encoding speed and video quality. mp4 Video Codec SDK introduced new presets (p1-p7) and RC modes for H264 and HEVC in Video Codec SDK 10. In general, it is strongly There are currently three AV1 encoders supported by FFmpeg: libaom (invoked with libaom-av1 in FFmpeg), SVT-AV1 (libsvtav1), and rav1e (librav1e). ffmpeg -i data2. Unfortunately documentation I've found is very terrible. I’m using FFMPEG for compression, and it has dozens of potentially-useful flags. mp4 It works great! Dec 10, 2016 · That script will automatically process every file in your Input folder and it will make Output folder for the new files. How check and use NVENC in FFmpeg-hwaccel_output_format cuda — decoding and storing frames in GPU memory (avoids PCIe transfer). These gains will be most pronounced at resolutions of 1080p and higher. Most users should use P6: Slower (Better Quality). 1, 12. It support many video and audio formats and can use hardware acceleration, with for example NVIDIA GPUs. 264). mp4" But the quality is not as good as expected. Most of my NVENC knowledge is in ffmpeg directly. ffmpeg. org Jan 17, 2023 · 0 I am trying to use the hevc_nvenc encoder in ffmpeg to reencode an old video I have. mp4" Works on GeForce GTX 1660Ti "increasing quality without increasing bitrate Mar 17, 2025 · I’m trying to figure out how best to compress my videos for streaming over the web. 1 -qmin 10 -qmax 52 "e:\output. See HWAccelIntro for information on supported hardware H. There should be at least 7 presets with a couple tuning Apr 18, 2024 · This guide focuses on the encoder libx265 which can offer around 25–50% bitrate savings compared to H. Getting ffmpeg with libx265 support ffmpeg needs to be built with the On NVENC presets and overriding rate control: It's possible to override the rate control (as you aptly observed and demonstrated) via the -rc:v private option passed to the NVENC encoder. avi -c:v libx264 -crf 21 -preset faster -pix_fmt yuv420p -maxrate 5000K -bufsize 5 Mar 8, 2019 · FFmpeg is an extremely versatile video manipulation utility and used by many related software packages. NVENC and NVDEC can be effectively used with FFmpeg to significantly speed up video decoding, encoding, and end-to-end transcoding. So if anyone can be good enough what all options do and what settings and filter I tested 4K footage on my 4090 using the following command: ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i input. FFmpeg is the most popular multimedia transcoding software and is used extensively for video and audio transcoding. Encoder Preset: The preset determines the quality of the encode, at a cost of performance for the encoder. Jun 10, 2019 · I'm trying to setup hevc_nvenc encoder in ffmpeg to get best result for further postponing. - ffmpeg-hevc-encode-nvenc. 0 in June 2020. FFmpeg GPU Transcoding Examples. See full list on trac. 0 — sets the H. Apr 20, 2023 · This document provides table to map the NVENCODE API settings (specifically, preset and rate control mode) from Video Codec SDK 9. Presets are used to simplify the process of selecting appropriate settings for different encoding scenarios. avi ). Here is a ton of valuable information on NVENC presets. 264 profile suitable for 1080p. Aug 1, 2017 · With the current NVENC encoder wrapper implementation in FFmpeg, note that valid presets can now be overriden with a tunable, depending on the target workload. -profile:v high -level 4. TS-Files) into h264 . Using these presets will automatically set all relevant encoding parameters for the selected tuning info. How To Compile FFmpeg With NVENC H264 Hardware Encoder. Hello! The Holy Grail Settings of NVENC HEVC, Can you find better general preset for low bitrate (2500 Kbit/s) video? If you found, please share it! I Jun 11, 2025 · ffmpeg -h encoder=hevc_nvenc. In SDK 10, the -tune parameter controls lossless rather than the preset. . -b:v 0 -cq 23 — uses Constant Quality mode (CQ), where cq=23 provides a balance between quality and file size. But if I allow a reasonable bitrate and select a slower preset for the AV1 encoder, can I achieve output that’s similar in term of size and quality? If so, I can replace ProRes intermediate Jan 16, 2020 · The issue is, I noticed that the latency with h264_nvenc is significantly more than the latency with AV_CODEC_ID_H264 (the software-based version). 1 of the License, or (at your option) any later version. mp4 -crf 50 -preset ultrafast -tune fastdecode -profile:v high -r 30 encoded. mov" -c:v hevc_nvenc -preset slow -crf 18 -qp 19 -vf "scale=7680x7680:out_range=full" -pix_fmt yuvj420p -aspect 1:1 -movflags faststart "C:\temp\8kleopard2test. Feb 19, 2018 · 68 I'm using my FFMPEG with the suport of my GPU (NVENC) to convert files from my satelite receiver (SD, mpeg2 . mp4" This works about perfectly for standard AVIs you find out on the net Jan 8, 2017 · 7 * version 2. 1 built by BtbN The Parameters For every encode, we will be passing the same parameter set to ffmpeg to the hevc_nvenc codec. The presets typically vary in terms of the level of compression Jan 8, 2017 · 7 * version 2. 26100 Nvidia Driver: 572. ffmpeg NVENCの画質と最適設定 NVENCとfdk-aacが使えるffmpegをビルドし、h264_nvenc の cq (constant quality mode) の動作を解析し最適なエンコード設定を求めた。 x264 の crf とは設定が根本的に違う。crf は動きの少ない時の目標、cq は動きの多い時の目標（q の平均の上限）動きの少ない時の q (Quantization Parameter Here are two files I encoded yesterday using Nvenc with the above settings ans the following presets: Blue Thunder (1983) STZEH - p7 file size = 1,265, 602 bit rate = 1,825 kb/s I use it because from my testing, using AC3 for audio is the only way for FFMPEG to generate the new video bitrate in the metadata of the compressed output file (in conjunction with "-map_metadata -1"). Nov 8, 2022 · Is this page helpful? Using FFmpeg with NVIDIA GPU Hardware Acceleration All NVIDIA® GPUs starting with Kepler generation support fully-accelerated hardware video encoding and decoding. 264. mp4 -c:v libx265 -c:a copy d2. See this answer on how this is implemented, as shown in the example given above. The new SDK 10 presets (p1-p7) seem to evaluate greater than PRESET_LOSSLESS_DEFAULT despite the new -tune parameter not being set to lossless. mp4-files Here is the line i'm using ffmpeg -i "e:\input. 0 and later. Obviously software encoding using libx265 would be better, but I want to make in fast. Specific attributes/parameters within the preset Apr 29, 2025 · Hi. c that checks ctx->preset >= PRESET_LOSSLESS_DEFAULT. ts" -vcodec h264_nvenc -preset slow -level 4. Refer to this portion on speeding up ffmpeg with GNU parallel on a multi-node cluster and this portion on using xargs to spawn multiple ffmpeg sessions for NVENC as needed. Apr 11, 2021 · In playing with values for ffmpeg to try to get a similar output to my “standard” settings in HandBrake, this is what I came up with: ffmpeg -i "$1" -c:v hevc_nvenc -preset slow -profile:v main10 -rc-lookahead:v 32 -spatial_aq 1 -cq 29 -tag:v hvc1 -c:a libfdk_aac -profile:a aac_he -b:a 80k "$( basename "$1" . -c:a copy Preset (-preset) Changes the default values for all encoder settings except for a few FFmpeg settings like Bitrate, which can give a good baseline for your own configuration. Your CQ sets the perceived output quality desired. 264 video encoded with libx264, while retaining the same visual quality. Our experts talk about 6 FFmpeg commands for fast video encoding. This gist shows you how to encode specifically to HEVC with ffmpeg's NVENC on supported hardware, with a two-pass profile and optional CUVID-based hardware-accelerated decoding. 0. Unfortunately, due to legal & license reasons and also version dependencies, the binary distributed versions of FFmpeg don't usually have NVIDIA hardware acceleration enabled. For using FFmpeg hardware acceleration you need compile FFmpeg with NVIDIA NVENC support. The hardware capabilities of NVENC and NVDEC are exposed in the NVIDIA Video Codec SDK through APIs (herein referred to as NVENCODE API and NVDECODE API), by Jul 6, 2020 · The new presets in NVIDIA Video Codec SDK 10 offer better control and granularity over performance compared to quality tradeoff for NVENC, with seven predefined presets (P1 to P7) and tuning information parameters for different use scenarios. Feb 26, 2020 · There appears to be no difference according to What are difference between nvenc lossless and lossless-hp presets? This was posted on 2017-11; the situation could have changed, so a look at source code is warranted. I am using the latest build of ffmpeg and a 4090; ffmpeg -i INPUT_FILE -c:v av1_nvenc -qp INTEGER -preset p7 -tune hq -pix_fmt p010le -b_ref_mode 1 -tier 1 -highbitdepth 1 -surfaces 64 -rc-lookahead 53 OUTPUT_FILE I need some guidance on some of the flags because I can't figure out what values to set them at. Note that FFmpeg is open-source project and its usage is governed by specific licenses and terms and conditions for FFmpeg. 1 and earlier to the closest equivalent NVENCODE API settings in Video Codec SDK 10. This guide currently focuses on libaom and SVT-AV1. This gist will be updated as the NVENC SDK adds more HEVC encode features. This Feb 14, 2025 · Disk: 8TB WD BLACK SN850X PSU: Be-Quiet Pro 13 1300W Software OS: Windows 11 Pro – 10. I want to find out what are the values under the It all depends on your content. md 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. Each preset is designed to optimize the encoding process for specific use cases. Oct 21, 2025 · ffmpeg -h encoder=h264_nvenc. mp4" Is there an equivalent that is HW supported by NVIDIA for AV1? I read that with rtx 40 you can do it but I am struggling to make it work. I think that my settings or setup of h264_nvenc must be wrong, since GPU-based encoding should be faster than software-based encoding. 9 -me_method umh -subq 9 -me_range 36 -b:v 0 -g 300 -c:a copy "Drive:\PATH\Output. Mar 25, 2024 · AV1 NVENC Config for FFMPEG. Jul 24, 2019 · The encoding settings from h264_nvenc are not revealed in the metadata of the output file and grep'ing through the source has been fruitless so far Thanks, Andrew -- You think that's air you're breathing now? Jan 27, 2025 · For more information on how to use NVENC or NVDEC with FFmpeg, please refer to the FFmpeg guide in the Video Codec SDK. The preset controls how much work (time) NVENC is allowed to spend in order to deliver your output. Encoding Speed and Quality Balance with Presets: NVENC presets in FFmpeg are labeled numerically (p1 to p7), with p1 being fastest and p7 highest quality. Oct 28, 2024 · You can see available presets (including lossless for both hevc and h264), other options, and encoder info with ffmpeg -h encoder=h264_nvenc or ffmpeg -h encoder=hevc_nvenc. Jun 13, 2017 · CUDA ffmpeg -hwaccel cuda -i input output CUVID ffmpeg -c:v h264_cuvid -i input output Full hardware transcode with NVDEC and NVENC: ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i input -c:v h264_nvenc -preset slow output If ffmpeg was compiled with support for libnpp, it can be used to insert a GPU based scaler into the chain: Apr 20, 2023 · Archive version of Video Codec SDKFor each tuning info, seven presets from P1 (highest performance) to P7 (lowest performance) have been provided to control performance/quality trade off. mp4 However when Apr 20, 2023 · Once the FFmpeg binary with NVIDIA hardware acceleration support is compiled, hardware-accelerated video transcode should be tested to ensure everything works well. 0). cq=number controls quality 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. webm" -c:v h264_nvenc -rc constqp -qmin 17 -qmax 51 -qp 24 -preset p7 -tune hq -pix_fmt yuv420p -rc-lookahead 4 -profile:v high -bf 0 -keyint_min 1 -refs 7 -qdiff 20 -qcomp 0. I’m surprised to observe that -tune ull (ultra low latency) leads to a better quality compared to -tune uhq (ult… Jun 12, 2019 · 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. Since there’s no authoritative guide to May 19, 2025 · ffmpeg -h encoder=av1_nvenc. The default value for fields varies between -1, 0 or an actual Default entry due to limitation with OBS's properties UI. 0, 11. The older presets and RC modes support only HEVC and H. The NVENC plugin in FFMPEG Jan 30, 2025 · For Twitch, select Hardware (NVENC, H. For YouTube, select Hardware (NVENC, AV1) if you have an RTX 40 Series GPU, or Hardware (NVENC, HEVC) otherwise. Oct 26, 2021 · All NVIDIA® GPUs starting with Kepler generation support fully-accelerated hardware video encoding and decoding. -preset p7 — one of the slowest but highest-quality NVENC presets. I've just got into FFMPEG, I have used handbreak a whole lot and I love it, but I'm building an application that needs video encoding, I was able to figure out how to use x264, this is the command I have for it ffmpeg -i source. These options are controlled through FFmpeg’s -preset and -tune parameters. I’m trying to encode frames using AV1 hardware encoder of NVENC, targeting the best possible quality. c source file, I assume it'll just be a simple case of adjusting the quality with -cq (value from 1 to 51), setting a preset (for which accepted values are, if I'm reading it right, slow, medium, fast, and p1 to p7, where Jun 30, 2023 · Has anyone experimented with output directly using nvenc AV1 encoder that’s available to RTX 4000 cards? I know hardware encoder suffers in general with compression efficiency/quality to achieve speed. 265) encoder options. We are using the slowest preset, in the newly released Ultra High Quality mode. Based on the nvenc_av1. GitHub Gist: instantly share code, notes, and snippets. If you want lossless encoding use preset=lossless. To automatically detect NV-accelerated video codec and keep video frames in GPU memory for transcoding, the ffmpeg cli option "-hwaccel cuda -hwaccel_output_format cude" is used in further code snippets. Feb 28, 2021 · ffmpeg. The problem seems to trace back from around line 361 of libavcodec/nvenc. 265/HEVC) add REM before SET encoder=h264_nvenc and remove REM for SET encoder=hevc_nvenc. This was done to simplify the usage of NVENC presets. 265/HEVC encoders. Do "ffmpeg -h encoder=av1_nvenc" to see all the options for those encoders. exe -vsync 0 -hwaccel cuda -i "Drive:\PATH\Input. 16 FFmpeg: 7. That's right, FFMPEG can generate the compressed video bitrate, and doing so is based on the audio codec chosen. Older presets and RC modes are currently supported in four SDK versions (10. This is a coarse level of control exposed by the API. This table can be used as a migration guide to migrate to the new NVENCODE API preset architecture introduced in Video Codec SDK 10. Activating support for hardware acceleration when building from source requires some extra steps: Jan 16, 2025 · FFmpegは強力な動画処理ツールですが、デフォルトの設定では必ずしも最適なパフォーマンスが得られるわけではありません。この記事では、FFmpegを使用した動画処理を高速化するための重要なオプションと最適化テクニックを紹介します。はじめに FFmpegによる動画処理では ffmpeg -y -hwaccel auto -i "8kleopard2. h264_nvenc, hevc_nvenc and av1_nvenc are all available in the latest mainline builds of ffmpeg. Posted by u/Television_Master - 3 votes and 21 comments Jun 22, 2025 · Highest quality ffmpeg -i INPUT_NAME -c:v h264_nvenc -qp 15 -profile:v high444p -pix_fmt yuv444p -tune hq -preset p7 -rc constqp -rc-lookahead 32 OUTPUT_NAME (qp 15 is visually lossless) Oct 28, 2024 · Learn how to increase your encoding speed by optimizing the parameters of FFmpeg. Take this example, posted on NVIDIA's blog describing the encoding quality of Turing's NVENC H264 encoder implementation. Dec 12, 2024 · ffmpeg GPU HEVC (H. Jan 13, 2021 · Anyway, try to use a custom ffmpeg node in FFAStrans and use: -c:v h264_nvenc -preset slow -c:a libfdk_aac -b:a 384k and as container pick mkv, save and see whether it works or not. No idea, but as long as your FFmpeg build has NVENVC AV1 enabled, you should be able to get the supported parameters with ffmpeg -h encoder=av1_nvenc. mp4 -c:a copy -c:v av1_nvenc -preset (your desired preset if you choose to include one) -b:v (your target bitrate) output. Jul 24, 2019 · Figure 2: Transcoding pipeline with FFmpeg using NVIDIA hardware acceleration FFmpeg supports hardware accelerated decoding and encoding via the hwaccel cuda, h264_cuvid, hevc_cuvid and h264_nvenc, hevc_nvenc modules. The new preset design allows for 28 combinations by mixing and matching presets and tuning information, providing more flexibility and control over the Feb 14, 2020 · I tried to encode to hevc_nvenc but the documentation on FFmpeg is too less and all options are not clearly defined. sddqv ysdoq lifcw nutqsl dsw njjkl kzvxwc bibi gftsb nhfvc xsl utgwux tppwd jnm escjlrj