Ffmpeg cuda filters mp4 -vf "scale_qsv=1280:720" -f null - ``` 使用 CUDA 硬體加速解碼器與篩選器： ```powershell ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i input. 1, you need a ffmpeg build with nvcc or cuda llvm enabled to get these cuda filters such as scale,yadif,overlay and thumbnail. bilateral_cuda CUDA accelerated bilateral filter, an edge preserving filter. ts -filter_com Aug 18, 2020 · FFMPEG a few months ago launched the new version of FFMPEG with the new filter "overlay_cuda", this filter makes the same as the "overlay" but using an Nvidia card for applying it. 0 "Lorentz" FFmpeg 5. Thank you. I found on the FFMPEG website description of the filter, but no examples of how to use it. Using AI to find patient zero in marketing campaigns Jul 29, 2017 · > I'm using git latest version of ffmpeg. May 30, 2023 · CUDA滤镜分析. Jan 10, 2021 · FFmpeg should then be compiled as standard for cuda filters and should be called as you would call the standard vf_scale_cuda filter. Saved searches Use saved searches to filter your results more quickly A CUDA enabled GPU with a capability of at least 6. mp4" -map 0 -c:v hevc_nvenc -preset p7 -tune hq -b:v 2. blend I can overlay a picture to the video stream with the following command: ffmpeg -thread_queue_size 1024 -i udp_source -i watermark. Replace format=nv12 with format=yuv420p See ffmpeg -filters to view which filters have timeline support. md at main · NVIDIA/GMAT A guide with shell script can quickly help you to compile latest ffmpeg with Nvidia CUDA - zshnb/ffmpeg-gpu-compile-guide common filter and other useful filter Apr 26, 2025 · Transcode with overlay_cuda filter; Transcode with FFmpeg CUDA filters. First select the audio stream by using -af or -filter:a , then select the volume filter followed by the number that you want to change the stream by. I am struggling with use of a CPU based filter - the following works fine: ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda -i original. + +The device to upload to must be supplied when the filter is initialised. mp4 For those who have known this repo as ffmpeg-gpu-demo, you can still find the demo pipelines in the ffmpeg-gpu-demo branch. These options are marked ’T’ on the output of ffmpeg-h filter=<name of filter>. mkv Jul 24, 2019 · Several CUDA filters exist in FFmpeg that can be used as templates to implement your own high-performance CUDA filter. mkv -c:a aac -c:v h264_nvenc \ -c:s webvtt -crf 20 - + at end table + + at section hwupload + +Upload system memory frames to hardware surfaces. Aug 19, 2020 · FFMPEG a few months ago launched a new version with the new filter “overlay_cuda”, this filter makes the same as the “overlay” but using an Nvidia card for applying it. mkv -noautoscale -filter_complex [0:0]scale_cuda=1280:-2[out] -map [out] -c:v hevc_nvenc -cq 28 output. Sep 3, 2020 · 我必须使用ffmpeg(v4. Examples: -init_hw_device cuda:1. NVDEC: ffmpeg \ -init_hw_device cuda=cuda:0 -filter_hw_device cuda \ -hwaccel Sep 4, 2020 · I try to burn dvb subtitles, based image, on video used ffmpeg overlay filter. Previous message (by thread): [FFmpeg-user] Problem when using scale_cuda filter Nov 21, 2022 · FFmpeg build with CUDA support for Linux (especially for Google Colab, updated for NVIDIA driver version 460. mp4 -vf "hwupload_cuda,scale_npp=w=1280:h=-2" -c:v h264_nvenc Detail about this issue is described here: https://trac. mp4 -vf scale=w=1280:h=720:force_original_aspect_ratio=decrease -c:a aac -ar 48000 -b:a 128k -c:v h264_nvenc -profile:v main -crf 20 -g 48 -keyint_min 48 -sc_threshold 0 -b:v 2500k -maxrate 2675k -bufsize 3750k -hls_time 4 -hls_playlist_type vod -hls_segment_filename output Dec 5, 2020 · Original answer in 2021: Nope at least for now. How can i do this? An update: With either NVCDEC or CUVID, as demonstrated with the command-lines: (a). Note that while using the GPU video encoder and decoder, this command also uses the scaling filter (scale_npp) in FFmpeg for scaling the decoded video output into multiple desired resoluti Feb 14, 2023 · I compiled ffmpeg with nvidia support (nvidia and cuda set in make. mp4 -vf Aug 21, 2019 · 文章目录ffmpeg支持硬件加速的原理所用环境说明ffmpeg使用硬件加速安装nvidia驱动安装cuda加入header安装pkgconfig开始配置在ffmpeg中看如何使用硬件加速查看目前可以用的hwaccel选项普通的解码命令仅仅是转码，不做缩放转码，外带一个缩放题外话，如何使用scale_npp Jan 6, 2021 · ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda -i input. Jun 24, 2021 · It's primary dependency is the CUDA SDK, and it must be explicitly enabled by passing --enable-libnpp, --enable-cuda-nvcc and --enable-nonfree flags to . -init_hw_device cuda=cuda is accepted without error, but then -hwaccel cuda still fails. 264编码或者解码，可以通过ffmpeg-codecs 查看全部信息，也可以通过 ffmpeg-encoders査看 ffmpeg Aug 27, 2018 · solution as of 2020: you need to pass hwupload_cuda along with the filter to explicitly tell FFmpeg what to do. The first input is the "main" video on which the second input is overlaid. When we use the thumbnail_cuda filter we can set NV12 as the output format to prevent additional pixel format convertation. npp像素格式转换命令行用法： Overlay one video on top of another using cuda hardware acceleration . $ ffmpeg -loglevel debug -ss 01:16:20 -i Hi8_02. Use this filter in place of scale_cuda wherever possible. VMAF-CUDA must be built from the source. 确保你的FFmpeg版本编译时包含了对应GPU的支持。对于NVIDIA GPU，你可能需要确保FFmpeg编译时启用了--enable-cuda-nvcc, --enable-cuvid 和 --enable-nvenc 选项。 例如，使用以下命令配置FFmpeg以支持NVIDIA GPU： 安装并配置FFmpeg以支持GPU. It only accepts CUDA frames. y — say ‘yes’ to prompts automatically, like overwrite existing video; i — the input file (with wildcards for decimal numbering) vf — video filter; fps=30 — the video filter to use; this sets the frame rate to 30 fps; c:v — the video codec for encoding; pix_fmt — input image format A FFmpeg based demo showing GPU's all-round capability in video processing - xinfushe/FFmpeg-GPU-Demo Feb 13, 2023 · When using -hwaccel cuda -hwaccel_output_format cuda, the decoding process is CUDA accelerated, and the decoded video is located in the GPU. It's my command line. GPU acceleration in FFmpeg enables faster video processing by offloading tasks like encoding, decoding, and filtering to the GPU. mp4 -c:a copy -c:v h264_nvenc -b:v 5M output. For AMD and Intel there may be other options. nv-codec-headers Installation: Clones the nv-codec-headers repository and installs it, providing headers for Nvidia GPU accelerated video encoding/decoding. These can be used for tasks like resizing, deinterlacing, and denoising. Run ffmpeg -filters | grep vaapi to identify all VAAPI supported filters in your build. Aug 1, 2020 · CUDA を使ったハードウェアアクセレーションフィルタのまとめ; Vulkan を使ったハードウェアアクセレーションフィルタのまとめ; vulkanのハードウェア支援を受けた汎用フィルタlibplacebo; 公式ドキュメント：FFmpeg Filters Documentation : OpenCL Video Filters OpenCLで検索 Flexible GPU-accelerated processing filter based on libplacebo (https://code. It is my command. 04LTS: Build platform: Ubuntu 18. Intel HD Graphics supports vpp_qsv filter Nov 8, 2024 · 然后，我们通过一个简单的示例教程，一步步带领你利用带有 CUDA 支持的 FFmpeg 将一个视频从 720p 分辨率放大并编码到 4K 分辨率。 示例教程会适合希望在GPU 服务器上高效处理视频的视频工程师和开发者，步骤会比较详细，刚接触视频编解码的开发者也可以尝试。 solution as of 2020: you need to pass hwupload_cuda along with the filter to explicitly tell FFmpeg what to do. Feb 26, 2024 · Encoder hevc_nvenc [NVIDIA NVENC hevc encoder]: General capabilities: dr1 delay hardware Threading capabilities: none Supported hardware devices: cuda cuda Supported pixel formats: yuv420p nv12 p010le yuv444p p016le yuv444p16le bgr0 bgra rgb0 rgba x2rgb10le x2bgr10le gbrp gbrp16le cuda ffmpeg -hide_banner -h filter=scale_npp Dec 30, 2020 · So, I want to create streams of multiple resolutions for hls streaming. . CUDA Deinterlace A toolkit showing GPU's all-round capability in video processing - GMAT/doc/FFMPEG-GPU_User_Guide. January 17th, 2022, FFmpeg 5. Using these filters is really simple. By leveraging NVDEC for decoding, CUDA filters for transformations, and NVENC for encoding, end-to-end video pipelines can remain entirely on the GPU with minimal host-device interaction. FFmpeg 7. The Overflow Blog A new look for what’s next. 0 "Lorentz", a new major release, is now available! For this long-overdue release, a major effort underwent to remove the old encode Aug 21, 2020 · You may print out the filter's usage options via: ffmpeg -h filter=vpp_qsv With Intel, the interpolation modes available are dependent on the specific runtime(s) selected in the FFmpeg build, and as such, performance and conformance are very dependent on BOTH the runtime in use (legacy QSV vs modern OneVPL) and the GPU in use. Once you have installed CUDA toolkit, you could run just this bash script command which will install and compile from source FFmpeg with Nvenc codec and CUDA support : Aug 12, 2022 · I'm trying on Windows 10 (through MinGW64) to convert (mixing mode) from x265 file (by CPU) to x264 (by GPU - NVidia) resizing the output using scale_npp. オプション. Can someone recommend a filter with reasonable values to begin with? My current settings: ffmpeg -i in. Volume gain can be modified through ffmpeg's filter function. org If using ffmpeg, select the appropriate device with the -filter_hw_device option or with the derive_device option. Note that while using the GPU video encoder and decoder, this command also uses the scaling filter (scale_npp) in FFmpeg for scaling the decoded video output into multiple desired resoluti Apr 15, 2019 · To see all OpenCL-based filters, run: ffmpeg -h filters | grep opencl A few notable examples being unsharp_opencl,avgblur_opencl, etc. This document describes filters, sources, and sinks provided by the libavfilter library. the procedure for testing this is at cuda. That only apply NVIDIA GPUs. conf as well as nvenc for ffmpeg USE). avi But i need to crop video file to 16:9 aspect ratio. . 0 "Lorentz", a new major release, is now available! For this long-overdue release, a major effort underwent to remove the old encode Dec 10, 2019 · デコーダにはQSVとNVDECにハードウェア支援を受けたDXVA2、D3D11。D3D12。フィルタにはQSV、OpenCL、NPP、Vulkan。エンコーダにはQSVとNVENC、ソフトウェアエンコーダのlibx264のコマンド例のまとめ。 Jun 14, 2018 · For it is necessary to configure FFmpeg with:--enable-cuda-sdk --enable-filter=scale_cuda --enable-filter=thumbnail_cuda We can resize frames at the decoding step then not necessary to use scale_npp filter. Using CUDA filters eliminates the copy overhead exits in the CPU filters when we are using GPU transcoding. The command would be similar to: ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda -i input. : ffmpeg -hide_banner -hwaccel nvdec -hwaccel_output_format cuda -i "input-1080p. Dec 31, 2022 · Another working option is to use -hwaccel nvdec without the hwupload_cuda option, e. Jul 6, 2022 · I’m performing a transcoding on home videos for device support using ffmpeg - trying to make the best use of my GPU. I want to merge multiple h264 / mp4 files using a complex filter (simplified example): ffmpeg -hwaccel cuvid -c:v h264_cuvid Jun 25, 2024 · 可使用FFmpeg中的filters进行端对端1:n编码或1：n转码视频硬件加速通道； 能添加自己编写的高性能CUDA filters； 同时支持Windows和Linux support； 此外, NVIDIA 也为GPU的视频处理任务提供的插件功能. mp4 -c:v h264_nvenc -c:a aac \ -map v:0 -b:v:0 4000k -maxrate:0 5500k -bufsize:0 4500k -filter:v:0 Feb 27, 2019 · I am trying to applay complex filter through CUDA hevc_cuvid with GPU nvidia GeForce GTX 1080 with ffmpeg, input is 10bit 4k hevc video mkv. On one system it works, on another ffmpeg stops with error: [Parsed_scale_cuda_4 @ 0x55cd411113c0] cu->cuModuleLoadData(cu_module, buf) failed -> CUDA_ERROR_UNSUPPORTED_PTX_VERSION: the provided PTX was compiled with an unsupported toolchain. I installed latest nvidia drivers, CUDa nad compiled lates ffmpeg. device is the number of the CUDA device. 2) with pre-built binaries. 1 toolkit) with the now-inbuilt GPU based YADIF_CUDA deinterlacer mentioned Oct 3, 2024 · Video Denoise Filters. NVIDIA provides two main components for this: NVENC for video encoding and CUDA for hardware-accelerated filters and scaling. Goals: Generate an FFmpeg build that can utilize NVENC and all available CUDA-based filters on Ubuntu 18. Previous message (by thread): [FFmpeg-user] Problem when using scale_cuda filter The Nvidia CUDA/NPP filter for scaling images on the GPU fails to select the requested algorithm in some cases. Note that unlike NVENC or NVDEC, which otherwise have little-to-no GPU performance impact, OpenCL or CUDA accelerated filters will consume GPU resources and could impact your captured application's performance. 截至 2020 年的解决方案：您需要将hwupload_cuda与过滤器一起传递，以明确告诉 FFmpeg 要做什么。 So your command should look like this: 所以你的命令应该是这样的： Sep 4, 2020 · I have to burn subtitles based image on video using ffmpeg(v4. As I also want to resize during conversion, I think the version I'd need to get working is the one down in the nvdec/cuvid section referring to the scale_npp-filter. 03 and CUDA version 11. /src/assets/ Sep 10, 2024 · All examples below, the source (͏"input. Oct 26, 2021 · 1:N HWACCEL Transcode with Scaling. Nov 8, 2022 · 1:N HWACCEL Transcode with Scaling. The following command reads file input. Sep 1, 2023 · How to install FFMPEG with CUDA support for GPU accelerated video conversion. When trying scale_npp or scale_cuda filter it Apr 20, 2023 · 1:N HWACCEL Transcode with Scaling. Usage. 确保你的FFmpeg版本编译时包含了对应GPU的支持。对于NVIDIA GPU，你可能需要确保FFmpeg编译时启用了--enable-cuda-nvcc, --enable-cuvid 和 --enable-nvenc 选项。 例如，使用以下命令配置FFmpeg以支持NVIDIA GPU： PNG, GIF, JPG, or BMP. I want to use 'overlay_cuda' in filter complex. Before compiling FFmpeg, take a look at the output of the configure script, you should see libvmaf_cuda listed under Enabled filters:, if that's not the case you either forgot to ffmpeg: Impossible to convert between the formats supported by the filter 'Parsed_hwupload_cuda_1' and the filter 'auto_scaler_0' Hot Network Questions Reducing one integral to another really similar integral cuda. 本文内容包括： 在Linux环境下安装FFmpeg; 通过命令行实现视频格式识别和转码; 有Nvidia显卡的情况下，在Linux下使用GPU进行视频转码加速的方法 When compiling FFmpeg with CUDA (. The following options are recognized: primary_ctx. 04LTS+. mp4" But this runs at only about 240 fps instead of 280 fps compared to the previous Mar 7, 2020 · I am trying to find a way to use the drawbox and drawtext ffmpeg filters to overlay text onto video,and speed this process up using GPU acceleration. /ffmpeg -init_hw_device cuda=cuda If you are having trouble with the pre-built binaries, buid the binaries from scratch (It may take more than half an hour) [ ] ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda –crop 16x16x32x32 -i input. Note that both scale_npp and scale_cuda now support divisibility tests (by 2, etc) and forced aspect ratio(s), introduced by this change. mp4 -vf scale_cuda=Source_width:Source_Height -c:a copy -c:v h264_nvenc -b:v 5M output. mkv" -c:v h264_nvenc -filter_complex "hwupload_cuda,scale_cuda=w=1920:h=1080:format=yuv420p:interp_algo=lanczos,hwdownload,format=yuv420p" "output Downloading and Configuring FFmpeg: Downloads the latest FFmpeg source code, configures it with necessary flags for CUDA support, and compiles it. There are couple of ways to install FFmpeg with CUDA support, one of the best guide to follow is here. It takes two inputs and has one output. CUDA_ENABLE = False def ffmpeg_input_process (src): return input (src) Mar 21, 2019 · [FFmpeg-user] Problem when using scale_cuda filter Dennis Mungai dmngaie at gmail. I've managed to get ffmpeg to use nvidia / cuda acceleration for decoding and encoding. For Aug 5, 2023 · 背景最近有一个需求，使用ffmpeg把非yuv420p色彩的视频转换成yuv420p bt709色彩，这个需求的具体解决过程放在下一篇文章，此文仅介绍本地ffmpeg编译内容。 因为在搜索色彩空间转换的过程中，发现了一些需要额外构建的filter，以及需要支持CUDA硬件加速，于是决定自己编译一个最新版本的ffmpeg，同时 Jan 8, 2017 · Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all May 17, 2019 · The filter_complex will change to "[1:v]yadif[1v]; [0:v][0:a][1v][1:a]concat=n=2:v=1:a=1[vv][a]; [vv][2:v]overlay=W-w-10:10[v]" When you wish to send the output of a filter to another filter, you should label the output pad of the first filter (assigned 1v here) and then ingest that in the destination filter. Zero-copy texture sharing aka hwmap filter between Cuda and OpenCL devices is not available in ffmpeg until Nvidia releases an interop method for them. 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: Jul 22, 2011 · remap_opencl filter; added chromakey_cuda filter; We strongly recommend users, distributors, and system integrators to upgrade unless they use current git master. If you need to simply resize your video to a specific size (e. 7 is currently slower than running 2 simultaneous renders with Voukoder 13. File must be at least 160x160px and less than 600x600px. 3. dv -t 10 -vf " Jan 28, 2022 · Builds - CODEX FFMPEG @ gyan. /configure --enable-cuda) the filters based on this library isn't automatically enabled. file $ /usr/local/bin/ffmpeg -y -hwaccel cuda -i input. Now scale_vulkan works, but vf_libplacebo doesn't work. blackframe Detect frames that are (almost) completely black. docker build -t ffmpeg . Feb 3, 2025 · $ ffmpeg -y -hwaccel cuda -i input. There are many CUDA filters in the FFmepg that can be used in the BMF through ff_filter. 82 KiB; JPEG: YUV 4:2:0, 535x346) Simple Rescaling. Version Matrix Source This is the CUDA variant of the libvmaf filter. jpg") shall be:(~ 53. Feb 19, 2025 · I want to create a video like loom and compose everything using ffmpeg. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The CPU scale filter has a different command line and works on CPU surfaces while the CUDA scale filter works on CUDA surfaces. It is a ncurses-based GPU status viewer for NVIDIA/Intel/AMD GPUs. Definition in file vf_overlay_cuda. yadif_cudaフィルタとオプション内容は同じ。 mode[int] モード指定; 0, send_frame 2枚のフィールドから1枚の 根据NVIDIA开发者网站的说明，您可以使用GPU加速ffmpeg滤镜的渲染。使用FFmpeg中的内置过滤器创建高性能的端到端硬件加速视频处理、1:N编码和1:N转码流水线。 FFmpeg resize using CUDA scale (filter scale_cuda is GPU accelerated video resizer ), full hardware transcoding example: $ ffmpeg -hwaccel cuvid -c:v h264_cuvid -i INPUT -vf scale_cuda=-1:720 -vcodec h264_nvenc -acodec copy OUTPUT. 84 I have no idea what else can I do to speed up the concatenation. scale_cuda=-1:720 means keep the same aspect ratio and match the other argument. remap_opencl filter; added chromakey_cuda filter; We strongly recommend users, distributors, and system integrators to upgrade unless they use current git master. The only examples I found are from the developer commits but are to put a video or a photo over another video. 32. Sep 22, 2021 · 使用ffmpeg命令时，可能会出现fmpeg不支持某种编码格式或者某种解码格式的错误提示信息，这种错误常见于并未将该编码器或者解码器集成到ffmpeg中，若想查看ffmpeg是否支持H. So you > don't have to hwdownload or hwupload_cuda for just scale-npp. mkv -vf scale_npp=1280:720 -b:a 320k -c:v h264_nvenc -preset slow -rc vbr_hq -b:v 3M -maxrate:v 4M /data/out. 7z をダウンロードすれば良い。自分は本稿執筆時点の最新版である ffmpeg-2022-01-19-git-dd17c86aa1-full_build. Scale-npp filter uses cuda > context. The results of this collaboration are an extended libvmaf API with GPU support, libvmaf CUDA feature extractors, as well as an accompanying upstream FFmpeg filter, libvmaf_cuda. ffmpeg -hwaccel cuda -i input output CUVID. 1 Video encoding is OK by using following command . So your command should look like this: ffmpeg -hwaccel cuvid -c:v h264_cuvid -vsync 0 -y -i input. Jun 6, 2020 · Filters which can operate upon frames on the GPU will have names that identify them as such e. See this wiki section for more options. blackdetect Detect video intervals that are (almost) completely black. What is your use case, how critical is rendering time and must you stick with FFmpeg or could you branch out into other tools which use FFmpeg along with other things like Vapoursynth? – The latest ffmpeg release is 4. mp4 -vf "scale_cuda=1280:720" -f null - ``` ### 硬體加速解碼與軟體 Nov 15, 2022 · scale_cuda filter has a format parameter that supports conversion from yuv444 to yuv420p for example, but the filter does not support converting between YUV and RGB. Sep 7, 2018 · 使用GPU硬件加速FFmpeg视频转码. Default input is 10 bit hevc but I also try it on 8 bit hevc. If +using ffmpeg, select the appropriate device with the @option{-filter_hw_device} +option. Trying to use the hw accelerated filter scale_cuda also fails. Remove hwupload_cuda from the beginning of the filter chain. Here's what I've tried so far: ffmpeg -vsync 0 -hwaccel cuvid -i input. CUDA filters are special filters in FFmpeg that utilize the GPU for processing. Choose the first device and use the primary device context May 22, 2022 · [AVFilterGraph @ 0x565389e2a780] Too many inputs specified for the "scale_cuda" filter. mkv Apr 30, 2020 · ffmpeg has a ton of filters available, and it's hard to know where to start. /ffmpeg -hwaccel cuvid -c:v h264_cuvid -i /data/1920x800. com Thu Mar 21 10:17:06 EET 2019. While scaling an UltraHD video from 3840x2160p down to 1280x720p (33% size reduction with no change in aspect ratio) do several filters produce the exact same result. All Vulkan-based filters: If FFmpeg is built with support for the Vulkan back-end, new filters will be available, which can be listed via: ffmpeg -filters | grep vulkan Create high-performance end-to-end hardware-accelerated video processing, 1:N encoding and 1:N transcoding pipeline using built-in filters in FFmpeg; Ability to add your own custom high-performance CUDA filters using the shared CUDA context implementation in FFmpeg; Windows/Linux support * Support is dependent on HW. /ffmpeg -y -hwaccel cuda -hwaccel_output_forma 安装并配置FFmpeg以支持GPU. videolan. file; How to view NVIDIA gpu stats and load while using the ffmpeg. but I failed because wrong using filter complex. mp4 Jan 8, 2017 · Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all Jul 18, 2023 · 这里的像素格式转换跟 《ffmpeg命令分析-pix_fmt》 不太一样，-pix_fmt 是通过 format filter 来实现的，针对的是非硬件像素格式，如果 format filter 的输入是 cuda 像素格式，输出是 nv12 之类的非硬件像素格式，format filter会报错。 如果您有无法使用 FFmpeg 正确处理的媒体文件，请务必随身携带示例，以便我们查看！ 我们的 CLT 历史上将首次举办FFmpeg 研讨会！您可以在此处阅读详细信息。该研讨会针对 FFmpeg 初学者。首先将介绍多媒体的基础知识。. Second issue is that format=nv12 is incompatible with the overlay filter. mp4 Alternately scale_cuda or scale_npp resize filters could be used as shown below ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda -i input. png -filter_complex "[0:v]scale=1920:1080,yadif=0 [base]; [base Aug 18, 2023 · It's thus very likely that you were compiling ffmpeg with the version of libvmaf that's included on the arch repos, which is compiled without -Denable_cuda=true. For example, to resize a video using a CUDA filter, you can use the following command: ffmpeg -i input. 作者：罗上文，微信：Loken1，公众号：FFmpeg弦外之音. I know that the 除了 GPU 编解码示例外，还有一些示例展示了如何在 gpu_transcode 文件夹的 BMF 中组合 FFmpeg CUDA filter，包括. I tried a lot of combinations and codes but no luck. It’s part of a personal project to build a distributed compute cluster for handling load balancing and serving of multimedia to different clients, all in as efficient a package as possible. I worked all the way through this once with a GeForce GT710 (capability of 3. Use any one of the following command: $ nvidia-smi Make sure you try the nvtop command. 7z をダウンロードした。 Hi, I currently have an FFMPEG command that takes in some mp4 videos, concatenates them together, scales them to 1920x1080 or another size, and then adds a filter on the sides of the video that is a blurred version of the video. g 320x240), you can use the scale filter in its most basic form: Mar 7, 2025 · remap_opencl filter; added chromakey_cuda filter; We strongly recommend users, distributors, and system integrators to upgrade unless they use current git master. Apr 30, 2020 · ffmpeg has a ton of filters available, and it's hard to know where to start. The underlying input pixel formats have to match. 0. mp4 and transcodes it to two different H. You can always track GPU utilization and memory transfers between host and device by profiling the ffmpeg application using the Nvidia Visual Profiler, part of the CUDA SDK. You don't need to overwrite the filter device to cuda with -filter_hw_device otherwise it cannot use vulkan. 2 Nvidia driver version: 460. Note that while using the GPU video encoder and decoder, this command also uses the scaling filter (scale_npp) in FFmpeg for scaling the decoded video output into multiple desired resoluti Jun 4, 2019 · FFmpeg build with NVENC and all available CUDA-based filters on Ubuntu 18. While scaling using CPU its correct. g. bitplanenoise Show and measure bit plane noise. 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. Jul 31, 2023 · The 'Scale' filter that is currently available does seem to use the GPU, but it's shuffling data back and forth to the CPU, very inefficient. hwupload_cuda; scale_cuda; scale_npp; thumnail_cuda; Build. Jan 16, 2024 · @TTT Okay, to be really sure what's the problem, a full, unedited FFmpeg ouput would've been necessary, so here's another potential cause: even if your FFmpeg has the proper libraries and codecs compiled and your system has all the necessary drivers, it doesn't guarantee that your card can actually process the input codec/bit depth/pixel formats. 5M -maxrate 8M -vf "scale_cuda=-2:720:format=yuv420p" -c:a copy -c:s copy "output-720p. 使用FFmpeg中的共享CUDA上下文实现，能够添加自己定制的高性能CUDA过滤器 1 Description. 264 videos at various output resolutions and bit rates. + @anchor{hwupload_cuda} @section hwupload_cuda Create high-performance end-to-end hardware-accelerated video processing, 1:N encoding and 1:N transcoding pipeline using built-in filters in FFmpeg; Ability to add your own custom high-performance CUDA filters using the shared CUDA context implementation in FFmpeg; Windows/Linux support * Support is dependent on HW. The options for this filter are divided into Mar 26, 2024 · Stack Exchange Network. Running 1 dual-output render in VoPro 0. If set to 1, uses the primary device context instead of creating a new one. It requires Netflix’s vmaf library (libvmaf) as Apr 25, 2018 · Hi ffmpeg from git is running OK with cuda 9. Options. However, I can't get any filters to work with cuda. It works fine when using just the cpu with the following command: ffmpeg -y -stream_loop -1 -i screencast. 3) and cuda, hardware accelerator. GPU Resize：将一个输入转换为多个分辨率并行输出； Dec 19, 2024 · cuda; ffmpeg-filters; See similar questions with these tags. 使用 scale_cuda filter 进行转码; 使用 hwupload filter 进行解码; 使用 scale_npp filter 进行解码; 使用 yadif filter 进行解码; 使用 overlay_cuda filter 进行解码; 使用 FFmpeg CUDA Jun 5, 2021 · 背景 使用ffmpeg cuda解码输出的像素格式是119，通过av_hwframe_transfer_data()函数可以设置传输到内存的格式为NV12。 而最终需要的像素格式是BGR24。ffmpeg的sws_scale()函数支持NV12 YUV420 到BGR24的转换，不支持119的转换。 If you have to stick with FFmpeg, the nnedi filter is definitely superior but at the cost of massive reduction in processing speed. Mar 21, 2019 · [FFmpeg-user] Problem when using scale_cuda filter Dennis Mungai dmngaie at gmail. The ffmpeg command line: Mar 12, 2024 · The VMAF-CUDA implementation was the result of a successful open-source collaboration between NVIDIA and Netflix. 04LTS. ffmpeg Dec 8, 2022 · I am trying to convert an FFMPEG RTMP source, resize it, and pass it to another RTMP source. Mar 20, 2021 · Stack Exchange Network. 2 Filtering Introduction. Apply bilateral filter, spatial smoothing while preserving edges. mp4. mkv 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. 3)和cuda (硬件加速器)烧录基于视频的字幕。我想在过滤器复合体中使用'overlay_cuda‘。这是我的命令。. Reply reply More replies More replies ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda –crop 16x16x32x32 -i input. webm -i . What do the last five rows in this log me Sep 13, 2017 · I am not sure about the scaling filter that is being used. 5) only to get to the final ffmpeg Jan 20, 2021 · Hey guys! Wanted to post/begin a thread sharing my progress on building a cuda based ffmpeg filter designed to enable tonemaping of HDR content to an HDR colour space. Aug 11, 2021 · ffmpeg -y -hwaccel cuda -hwaccel_output_format cuda -i mobil1. mkv -c:v libx265 -c:a copy -crf 28 out. Please help with the command line that you are trying and I could help you with the changes needed. (e). For advanced options in scale_cuda, see ffmpeg -h filter=scale_cuda. Mar 29, 2020 · 我试着用ffmpeg和opencl做GPU加速的HDR色调映射(HDR->SDR)，但我总是遇到这个错误：Impossible to convert between the formats supported by the filter 'Parsed_hwupload_1' and the filter 'auto_scaler_1'。我曾尝试通过以下命令使用ffmpeg -loglevel d Feb 7, 2021 · How to to burn subtitles based image on video using 'overlay_cuda', ffmpeg video filter. GMAT is developed based on ffmpeg-gpu-demo, and features like tensorrt filter are kept in GMAT. Jan 5, 2019 · FFmpeg reports "No such filter: 'yadif_cuda" for both the release build and the static build. List options of a filter using ffmpeg -h filter=XXXX. ffmpeg. mp4 -vf Mar 2, 2019 · It seems ffmpeg is cross-compilable (non-free, using the new nvidia CUDA 10. which has two examples of how to initialize a cuda device, and they don't work for me either. FFmpeg Documentation has no stipulations. My command is as follows: /usr/bin/ffmpeg -hide_banner -hwaccel cuda -hwaccel_output_format cuda - I'm trying to speed up converting videos, following the options in the ffmpeg guide. The name of the command is the name of the option and the argument is Oct 22, 2019 · ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i input -vf "bwdif_cuda" -c:v hevc_nvenc -c:a copy output. Below is an example of drawtext and drawbox being used together Jun 13, 2017 · CUDA. Some options can be changed during the operation of the filter using a command. Filtering in FFmpeg is enabled through the libavf ffmpeg -threads 1 -loglevel info -nostdin -y \ -fflags +genpts-fastseek \ -init_hw_device cuda=cuda:0 -filter_hw_device cuda -hwaccel_device cuda -hwaccel nvdec Nov 9, 2021 · I am trying to transcode hevc to h264 using GPU. scale_npp filter may support other conversions (I don't know). 1. Just pass filter’name and paramters Oct 28, 2024 · ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i file. Jul 22, 2021 · Python bindings for FFmpeg - with almost all filters support, even `gltransition` filter. mp4 another example ffmpeg -hwaccel_device 0 -hwaccel cuda -hwaccel_output_format cuda -i input -vf scale_cuda=-1:720 -c:v h264_nvenc -preset slow output. Choose the second device on the system. 0 "Lorentz", a new major release, is now available! For this long-overdue release, a major effort underwent to remove the old encode 使用 QSV 硬體加速解碼器與篩選器： ```powershell ffmpeg -hwaccel qsv -c:v h264_qsv -i input. It accepts the following parameters: x, y Jan 1, 2025 · Using CUDA Filters. From the reference materials listed below, I have been unsuccessful in finding a way to do so, but I wanted to check with the community to see if there is are additional approaches. /ffmpeg -init_hw_device cuda=cuda:1 -hwaccel cuda -filter_hw_device cuda -hwaccel_output_format cuda -i 2_dump. FFMPEG with cuda capable filters I'm trying to make my ffmpeg conversions go faster. mp4 -vf "scale_npp=format=yuv420p,transpose_npp=clock,scale_npp=1280:720:interp_algo=super:force_original_aspect_ratio=decrease remap_opencl filter; added chromakey_cuda filter; We strongly recommend users, distributors, and system integrators to upgrade unless they use current git master. -init_hw_device cuda:0,primary_ctx=1. scale_vaapi overlay_qsv or yadif_cuda. Jun 30, 2021 · ffmpeg version: ffmpeg version N-102801-gb74beba9a9 CUDA version: 11. 6 Changing options at runtime with a command. This is the CUDA variant of the overlay filter. org/videolan/libplacebo). dev; このページは定期的にビルド済の ffmpeg を配信しているようだ。最新版の ffmpeg-git-full. 0 "Lorentz", a new major release, is now available! For this long-overdue release, a major effort underwent to remove the old encode Scaling FFmpeg workflows with GPU acceleration improves processing throughput, lowers CPU usage, and maintains low-latency execution for video-intensive tasks. FFmpeg supports a variety of video denoise filters, each of own advantages and disadvantages: ͏"atadenoise": Adaptive Temporal-Averaging denoiser ͏"bm3d": Block-Matching 3D denoiser Dec 8, 2023 · This guide includes instructions on how to compile ffmpeg with CUDA support, and may get you started with hardware-accelerated filters. /configure at compile time when building FFmpeg from source. 公式ドキュメント：FFmpeg Filters Documentation : bwdif_cuda. I use hevc_cuvid decoder and h264_nvenc encoder. Choose the first device and use the primary device context Thanks. But this command, which only involves upscaling and with only 1 video works: ffmpeg -c:v h264_cuvid -i "Input1. See this example of a build of git-master when searching for CUDA filters: May 30, 2018 · I am trying to use Nvidia hardware acceleration for FFmpeg using cuvid. file output. Sep 1, 2023 · General ffmpeg Commands. mp4 -vf scale_npp=1280:720 -c:v h264_nvenc -preset slow -b:v 5M output. The input and output devices must be of different types and compatible - the exact meaning of this is system-dependent, but typically it means that they must refer to the same underlying hardware context (for example, refer to the May 4, 2023 · Kind poster, that article refers to using CPU NLMEANS filter, not GPU. c. dzjvto mopb rtvvy ubfz ufacsez tsjmot fhdvn lfebtsn rsuyv anomjhgb