Ffmpeg cuda filters

Ffmpeg cuda filters. I have a video which I'm trying to downscale to a video output, and also create a thumbnail image at every 2 seconds using a single FFMpeg command (hardware accelerated). The most likely reason is either wrong type (e. file $ /usr/local/bin/ffmpeg -y -hwaccel cuda -i input. It is my command. Improve this answer. 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. ffmpeg -y -vsync 0 -hwaccel cuvid -c:v hevc_cuvid -i input. wav -f wav -ar 16000 -ab 12800 -ac 1 output. Setting the output width and height works in the same way as for the scale filter. org > wrote: > Hello, I am trying to do full hardware video transcoding with scaling. Following is the command: ffmpeg -hwaccel cuvid -hwaccel_output_format cuda -i "inputVideo. nv-codec-headers Installation: Clones the nv-codec-headers repository and installs it, providing headers for Nvidia GPU accelerated video encoding/decoding. mp4 -vf Posted by bartzlederman: “FFMPEG with cuda filters (Nvidia example does not work)” This plaform has support for CUDA and QSV, and you can compile FFmpeg for supporting both. The first input is the "main" video on which the second input is overlaid. /configure scans the files again to configure the build, so run Configure and when you next run make the filter should be generated. VMAF-CUDA must be built from the source. [Bonus] there are plenty of pixel formats available to get a list of them run ffmpeg -pix Aug 28, 2023 · >From f6f0afffadfc5fae97b11b0feb7c1d740b7c86ab Mon Sep 17 00:00:00 2001 > From: Kyle Swanson <kswanson at netflix. Please make an effort to reduce the command to minimal example that reproduces the problem. I know that if ffmpeg is compiled with libnpp support you can do a full hardware transcoding with scaling, like this: ffmpeg -hwaccel_device 0 -hwaccel cuvid -c:v h264_cuvid -i input -vf scale_npp=-1:720 -c:v h264_nvenc -preset slow output. file output. mp4" -map 0 -c:v hevc_nvenc -preset p7 -tune hq -b:v 2. + at option {derive_device} option. I compile ffmpeg follow this post However, there isn't any example to use it with audio. 264 videos at various output resolutions and bit rates. ffmpeg also supports Vulkan and it is possible to convert from CUDA to Vulkan at the cost of a HW context switch. + at option {hwupload} filter, but may be able to avoid an additional copy when. Please find revised patch attached. Posted by bartzlederman: “FFMPEG with cuda filters (Nvidia example does not work)” Jun 21, 2021 · FFmpeg Filter Syntax. Happy days. Using these filters is really simple. Mar 15, 2021 · The availability of these filters depends on how FFmpeg was configured, as explained below. 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 Using FFmpeg. The underlying input pixel formats have to match. 0 "Lorentz", a new major release, is now available! For this long-overdue release, a major effort underwent to remove the old encode Note that NVENC on Turing does not handle interlaced content, and as such, deinterlacing is mandatory. For example we'll use yuv420p pixel format! # Using the format filter (yuv420p) ffmpeg -i in_file -filter:v "format=yuv420p" out_file. Granular control over encoding settings such as encoding preset, rate control and other video quality parameters. 5*PTS" output. 1。下面开始具体的编译安装。 Apr 21, 2022 · The fade filter is applied in system memory and the processed image uploaded to GPU memory using the hwupload_cuda filter. png. jpg -vf scale=320:240 output_320x240. There are some GPU-accelerated filters, via cuda on Nvidia GPUs, vulkan, etc. cuda. Notably, as far as I know libx264 and libx265 are CPU only. Allows for the same expressions as the scale filter. And make an effort and read this web page. But when I try to apply a fade in and out to the overlayed image it breaks. {"payload":{"allShortcutsEnabled":false,"fileTree":{"libavfilter":{"items":[{"name":"aarch64","path":"libavfilter/aarch64","contentType":"directory"},{"name":"cuda Oct 26, 2021 · 1:N HWACCEL Transcode with Scaling. file; How to view NVIDIA gpu stats and load while using the ffmpeg. ts -filter_complex "[v:0]scale_npp=1920:1080,format=yuv420p[base_video];[base_video][s:3]overlay_cuda[resurlt_video]" -map "[resurlt_video]" -map 0:a -c:v h264_nvenc -f Mar 20, 2024 · The VMAF-CUDA implementation was the result of a successful open-source collaboration between NVIDIA and Netflix. But this command, which only involves upscaling and with only 1 video works: ffmpeg -c:v h264_cuvid -i "Input1. Is there a solution? Working: ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i vidTest. . I can overlay a picture to the video stream with the following command: ffmpeg -thread_queue_size 1024 -i udp_source -i watermark. scale_npp filter may support other conversions (I don't know). The input and output devices must be of. eg. The scale filter forces the output display aspect ratio to be the same of the input, by changing the output sample aspect ratio. g. Mar 21, 2019 · Next message (by thread): [FFmpeg-user] Problem when using scale_cuda filter Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] On Thu, 21 Mar 2019 at 05:25, Александр via ffmpeg-user < ffmpeg-user at ffmpeg. mp4 Decode with GPU CUDA + Encode CPU (AV1): Decode using CUDA and encode using CPU for the new AV1 codec, decoder cuda hevc_cuvid , and libsvtav1 for encoding ( more about AV1 ): Sep 1, 2023 · Here's how to enable GPU acceleration in FFmpeg: Check for GPU Support: First, verify that your FFmpeg installation was built with CUDA support. 0 -filter_hw_device ocl -i ". When hardware transcoding with CUDA and using filter scale_cuda the output videos may be partially cropped out either on the right or on the bottom. The filter accepts the following options: Set the output video dimension expression. "[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. Some of the videos are interlaced and we are using yadif to deinterlace them with the following options: yadif=1:-1:0. mkv -c:v hevc_nvenc -map 0:a:1 -c:a copy -map_chapters -1 "output. Once inside the container, as the default user anaconda, you can use the compiler to transcode using hardware acceleration. Feb 7, 2021 · How to to burn subtitles based image on video using 'overlay_cuda', ffmpeg video filter. 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 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 Oct 15, 2020 · The following FFmpeg hardware-acceleration script works fine. For their usability, please see ffmpeg -h filter=scale_npp and ffmpeg -h filter=scale_cuda respectively. Since* 0. But if I The choice on the filter(s) you can use depend on how you build FFmpeg: Use the proprietary CUDA SDK and you'll get scale_npp and scale_cuda, or stick to an LLVM build without the CUDA SDK and you'll still get scale_cuda. Insert 2 different transparent PNG logos (second logo on bottom right corner) using the ffmpeg tool: 📋. 02. mp4 -vf scale_cuda=1280:720 -c:a copy -c:v hevc_nvenc output. Dec 14, 2022 · The main questions would be whether Handbrake is interested to host and develop it's own accelerated kernels or whether such filters should be implemented as ffmpeg filters to let ffmpeg handle the HW accerated logic. I am using several opencl filters with another GPU with: -init_hw_device opencl=gpu:0. exe -hide_banner -v verbose -init_hw_device opencl=ocl:1. For example 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. -c:v hevc_nvenc or h264_nvenc ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda –crop 16x16x32x32 -i input. In terms of performance, don't expect much parity between them in terms of performance; both will run on the GPU either way. Aug 1, 2023 · to -vf "hwupload_cuda,scale_cuda=-2:720:format=yuv420p" (working). 4. 172 // For our subset of formats, this should accurately tell us how many channels CUDA needs. 0 "Lorentz", a new major release, is now available! For this long-overdue release, a major effort underwent to remove the old encode May 22, 2022 · [AVFilterGraph @ 0x565389e2a780] Too many inputs specified for the "scale_cuda" filter. Oct 26, 2023 · VMAF added support for CUDA acceleration, followed by FFmpeg adding support for creating the libvmaf_cuda filter: FFmpeg/FFmpeg@ 7f685d0. If the input image format is different from the format requested by the next filter, the scale filter will Create new hardware surfaces on that. 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 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. A video game may do some parts using a GPU, but other parts using a CPU. The following command reads file input. 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. Jun 6, 2020 · Filters which can operate upon frames on the GPU will have names that identify them as such e. mkv" -c:v h264_nvenc -filter_complex "hwupload_cuda,scale_cuda=w=1920:h=1080:format=yuv420p:interp_algo=lanczos,hwdownload,format=yuv420p" "output Sampling rate : 48. 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. Nov 8, 2022 · NVENC and NVDEC can be effectively used with FFmpeg to significantly speed up video decoding, encoding, and end-to-end transcoding. It accepts the following parameters: x, y. \ffmpeg. Intel HD Graphics supports vpp_qsv Thanks for review, Timo. Jan 8, 2017 · cuda_bilateral_filter_frame() static int cuda_bilateral_filter_frame (AVFilterLink * Generated on Thu Apr 18 2024 22:46:12 for FFmpeg by Nov 27, 2017 · never mind. Use any one of the following command: $ nvidia-smi Make sure you try the nvtop command. Downloading and Configuring FFmpeg: Downloads the latest FFmpeg source code, configures it with necessary flags for CUDA support, and compiles it. Second, check to ensure that directory of ffmpeg is /usr/local/ffmpeg-nvidia by entering which ffmpeg into a shell. Dec 23, 2020 · 本次编译ffmpeg使用的是Ubuntu 20. encoder which was not actually used for any stream. mp4 -vf scale_cuda=Source_width:Source_Height -c:a copy -c:v h264_nvenc -b:v 5M output. mp4 encodings ready for streaming over the Internet. +and give those frames to the preceding filter. yadif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枚のフレームを remap_opencl filter; added chromakey_cuda filter; We strongly recommend users, distributors, and system integrators to upgrade unless they use current git master. nlmeans is a very good feature of ffmpeg. 5M -maxrate 8M -vf "hwupload_cuda,scale_cuda=-2:720:format=yuv420p" -c:a copy -c:s copy "output-720p Dec 14, 2016 · 1. ffmpeg -i in_file -pix_fmt yuv420p out_file. The filter works by changing the presentation timestamp (PTS) of each video frame. Dec 16, 2018 · Use the format filter or the -pix_fmt option. Imagine then you execute the decoding part using CUDA, and the enconding with QSV. 0 KHz. To illustrate the sorts of things that are possible, we consider the following filtergraph. hwaccel cuda : Full hardware transcode with NVDEC decoding-hwaccel cuda. Hello, seeking help using the newly updated FFMPEG filter YADIF_CUDA. device is the number of the CUDA device. Default value is the input dimension. Hardware acceleration support for specific codecs are platform and driver-dependent. mp4 Pretty much every other pixel format I set to format= fails one way or another. Look for "libavutil" and "libavcodec" with "h264_nvenc" or similar entries. # Using the 'pix_fmt' option. I'm obviously doing something wrong in (not?) converting between formats in the second commandline, but I don't know what. mp4 -hwaccel cuda -hwaccel_output_format cuda -i imgTest. Each one of these filters represents a processing phase that can be used individually or daisy-chained with other such filters. Some of those encoders are built to use GPUs, some are not. Mar 12, 2024 · The VMAF-CUDA implementation was the result of a successful open-source collaboration between NVIDIA and Netflix. a video. I hope this helps. This is the CUDA variant of the overlay filter. Applying option vf (set video filters) with argument yadif_cuda, scale=hd720:flags=bilinear. Ive tried different combinations of "hwdownload,nlmeans_opencl, hwupload_cuda,format=yuv420p" by adding it to the video filter, but I get errors like "Impossible to convert between the formats supported by the filter 'Parsed_hwdownload_8' and the filter 'auto_scale_0'" Is there a way to use hardware accelerated NLMeans? You are right, most decoders, filters and encoders of FFmpeg are runnning on the CPU. 173 // i. 0 "Lorentz", a new major release, is now available! For this long-overdue release, a major effort underwent to remove the old encode Mar 20, 2021 · I use -c:v h264 because the pad filter changes the h264 video codec to mpeg2video, which greatly reduces the video quality. 9 MiB (4%) I have converted it to mp4 with the following command: ffmpeg -i input. So I try to use nvidia cuda to accelerate it. This document explains ways to accelerate video encoding, decoding and end-to-end transcoding on NVIDIA GPUs through FFmpeg which uses APIs exposed in the NVIDIA Video Codec SDK. I installed latest nvidia drivers, CUDa nad compiled lates ffmpeg. 公式ドキュメント：FFmpeg Filters Documentation : yadif_cuda. hevc_nvenc/h264 : uses CUDA for accelerated h264 or h265(hevc) encoding. This will then act like the. mpg" -an -map_metadata -1 -sws_flags lanczos+accurate_rnd+full_chroma_int+full_chroma_inp -filter_complex "[0:v]yadif=0:0:0,hwupload,unsharp_opencl=lx=3:ly=3:la=0. Mar 2, 2017 · Add an appropriate line to the: ffmpeg\libacfilter\allfilters. For it is necessary to configure FFmpeg with: --enable-cuda-sdk --enable-filter=scale_cuda --enable-filter=thumbnail_cuda. mp4 -c copy -metadata:s:v:0 rotate=270 output. For full video encoding (slow command, does encoding): ffmpeg -i inputFile -vf "transpose=1" -c:a copy. So, is it possible to somehow speed it up? Log without codec argument. I tried a lot of combinations and codes but no luck. FFmpeg also offers wrappers for hardware-accelerated decoders and encoders, either provided by the GPU driver ( cuvid / nvenc for Nvidia, amf for AMD) or by the operating system Jan 16, 2024 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Nov 27, 2023 · I am using ffmpeg with a lot of filters. Apr 8, 2024 · For instance: $ ffmpeg -y -hwaccel cuda -i input. mov files to multiple . ffmpeg is a whole lot of encoders and decoders and filters in one software package. Just in case, here the complete command: ffmpeg -hide_banner -hwaccel_output_format cuda -i "input-1080p. オプション. vob -c:v libx264 -preset slow -crf 19 -c:a aac -b:a 256k -threads 0 output. FFmpeg has lots of filters - more than you can imagine. ts \ -vf "hwupload,nlmeans_opencl,hwdownload,format=yuv420p" -an output. Feb 19, 2024 · There are many CUDA filters in the FFmepg that can be used in the BMF through ff_filter. 0 -filter_hw_device gpu -i 10bit_input. The command would be similar to: ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda -i input. However, I can't get any filters to work with cuda. Finally, the image is scaled using scale_npp and encoded on the GPU. When we use the thumbnail_cuda filter we can Apr 30, 2020 · 3. Posted by bartzlederman: “FFMPEG with cuda filters (Nvidia example does not work)” Aug 25, 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. May 26, 2022 · I did some googling on how to use the scale_vulkan filter and about Vulkan on ffmpeg, but it appears there's only a few support threads that are hard to decipher, and there isn't much documentation for Vulkan on FFmpeg. 174. e. Must be combined with "CUDA output" Checked. 7. 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. mp4" What I need to do is enable hardware encoding with --filter_complex, So I tried this command Overlay one video on top of another. 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. I've managed to get ffmpeg to use nvidia / cuda acceleration for decoding and encoding. . Share. mkv -noautoscale -filter_complex [0:0]scale_cuda=1280:-2[out] -map [out] -c:v hevc_nvenc -cq 28 ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda –crop 16x16x32x32 -i input. iii. Successfully parsed a group of options. In this case the graph of filters can be constructed: backtrace for the encoder, and fordward for the decoder. c. I found on the FFMPEG website description of the filter, but no examples of how to use it. Jan 17, 2023 · 0. Stream mapping: Stream #0:0 (h264) -> overlay (graph 0) Stream #1:0 (png) -> overlay (graph 0) Since the FFmpeg transpose command is very slow, use the command below to rotate a video by 90 degrees clockwise. Insert a transparent PNG logo in the bottom left corner of the input, using the ffmpeg tool with the -filter_complex option: 📋. mov" -vf "scale_cuda=1280:720,hwdownload,format=nv12,setsar=1:1" -c:v h264_nvenc 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. ffmpeg -vsync 0 -c:v h264_cuvid -i input. In the resulting video I see this effect: 2 days ago · See the ffmpeg-filters manual for more information about the filtergraph syntax. I used the nlmeans_opencl filter with a new NVidia GPU and got 10fps with default settings, and 18fps with p=5:r=11 which led to great results on 1080p captures of grainy film. 264 -vf "fade,hwupload_cuda,scale_npp=1280:720" -c:v h264_nvenc output. avi -vf scale=320:240 output. Anyway, I tried two different commands hoping the filter would work: Sep 7, 2023 · To double the speed of the video with the setpts filter, you can use: ffmpeg -i input. -init_hw_device cuda=cuda is accepted without error, but then -hwaccel cuda still fails. 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. – Rotem. +the input is already in a compatible format. For instance, when scaling HD video (1920x1080) down to HD-ready (1280x720) the resulting video will be cropped out by 16 pixels on the bottom (here's a screenshot with the problem and here's what it should look like). Also nlmeans_opencl is an opencl accelerated equivalent. This requires CUDA and NVCC to compile. Nov 21, 2022 · nv-codec: NVIDIA's GPU accelerated video codecs. Opening an output file: Hi8_02test. avi. I use ffmpeg to process some audios as follow, fmpeg -i input. ffmpeg is the same in that sense. 0 "Lorentz", a new major release, is now available! For this long-overdue release, a major effort underwent to remove the old encode Jan 5, 2019 · Applying option t (record or transcode "duration" seconds of audio/video) with argument 10. remap_opencl filter; added chromakey_cuda filter; We strongly recommend users, distributors, and system integrators to upgrade unless they use current git master. png -filter_complex " [0:v]scale_npp=960:540:format=yuv420p Nov 15, 2022 · 1 2. 171 // find maximum step of each component of each plane. In libavfilter, a filter can have multiple inputs and multiple outputs. option with no video streams) or that it is a private option of some. Same works for images too: ffmpeg -i input. (de)interlacing is now removed, doc entry was added as well. I did some other test and it work only if i add -vf "hwupload_cuda" instead of the "-filter_complex" but is really really really slow, so this isn't the right way. ffmpeg -i input -i logo -filter_complex 'overlay= 10: main_h-overlay_h-10 ' output. Apr 1, 2024 · Reports are too big, i can't share them here. This indicates CUDA support. found something that works. Stream size : 57. Example 1 works, using NVDEC as source input filter. #. Applying option c:v (codec name) with argument dnxhd. That only apply NVIDIA GPUs. Trying to use the hw accelerated filter scale_cuda also fails. 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. They are listed and described in detail at this link. – polpetti. Actually we can extract a video frame using only NVIDIA card via thumbnail_cuda filter. Apr 28, 2024 · Here is my command line that works with hardware encoding without --filter_complex. These encoders/decoders will only be available if a CUDA installation was found while building the binary. For AMD and Intel there may be other options. It takes two inputs and has one output. Where possible, stick to yadif_cuda and nvdec hwaccel instead for performance and stability reasons. I try as follow, but it not work. mp4 and transcodes it to two different H. 1 for Y plane, 2 for UV plane of NV12, 4 for single plane of RGB0 formats. which has two examples of how to initialize a cuda device, and they don't work for me either. The resulting image will look like this: Oct 22, 2019 · ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i input -vf "yadif_cuda" -c:v hevc_nvenc -c:a copy output. \test_01. Mar 18, 2024 · An example using scale_cuda and encoding in hardware, scale_cuda is available if compiled with ffnvcodec and --enable-cuda-llvm (default is on, requires nvidia llvm to be present at runtime): ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i file. com> > Date: Mon, 28 Aug 2023 11:49:34 -0700 Apr 20, 2023 · 1:N HWACCEL Transcode with Scaling. mp4 Scale (resize) and convert (pixel format) the input video, using accelerated CUDA kernels. The option for building libvmaf with CUDA support is -Denable_cuda=true in the libvmaf 's meson build chain. wav. 04系统，搭载了RTX 3090 GPU，Nvidia显卡驱动版本为455，CUDA版本为11. Feb 18, 2021 · If you're planning on running any filters on your CPU (some filters such as subtitles and libass are unsupported on the GPU / using hardware acceleration), then you'll have to download the frames (only if using the -hwaccel flag) after decoding onto your RAM before applying the filters and re-uploading to the GPU VRAM. Jul 5, 2022 · 3. 0 -filter_hw_device gpu Jan 8, 2017 · 169 s ->out_planes = av_pix_fmt_count_planes ( s ->out_fmt); 170. g 320×240), you can use the scale filter in its most basic form: ffmpeg -i input. Run ffmpeg -filters | grep vaapi to identify all VAAPI supported filters in your build. 2 Filtering Introduction. May 1, 2023 · remap_opencl filter; added chromakey_cuda filter; We strongly recommend users, distributors, and system integrators to upgrade unless they use current git master. Filtering in FFmpeg is enabled through the libavfilter library. mp4 -c:a copy -c:v h264_nvenc -b:v 5M output. mp4 -vf May 25, 2023 · Stack Exchange Network. January 17th, 2022, FFmpeg 5. It only accepts CUDA frames. It is a ncurses-based GPU status viewer for NVIDIA/Intel/AMD GPUs. The following options are recognized: FFMPEG with cuda capable filters I'm trying to make my ffmpeg conversions go faster. That can be done with the dedicated yadif_cuda filter or if you're using the CUVID H/W wrappers such as h264_cuvid. Jan 3, 2024 · hwaccel_output_format cuda : Full hardware transcode with NVENC Encoding-hwaccel_output_format cuda. + at item. I know that the 6 days ago · If you need to simply resize your video to a specific size (e. 5:cx=3:cy=3:ca=0. Follow. mov. Jun 14, 2018 · 1. Feb 16, 2015 · 3. 4 Filters Video scale. But you should be careful about where the data reserved. scale_vaapi overlay_qsv or yadif_cuda. Using CUDA filters eliminates the copy overhead exits in the CPU filters when we are using GPU transcoding. Scale (resize) the input video, using the libswscale library. I am currently using one gpu for using cuda filters like overlay_cuda and the encoding with: -hwaccel_output_format cuda -hwaccel_device 3 -hwaccel cuda. Browse categories, post your questions, or just chat with other members. Just pass filter’name and paramters to the ff_filter. Dec 30, 2020 · Stack Exchange Network. Compression mode : Lossy. mp4. Extra pointers: Aug 8, 2023 · 1. Is it possible to, instead of scaling, apply a deinterlace filter to be handled by the hardware Mar 20, 2021 · So far I have only managed to run nlmeans_opencl filter with the following settings: ffmpeg -init_hw_device opencl=gpu:0. Example: ffmpeg -y -hwaccel dxva2 -hwaccel_output_format dxva2 -init_hw_device dxva2=hw -filter_hw_device hw -i in. 0 "Lorentz" FFmpeg 5. The only examples I found are from the developer commits but are to put a video or a photo over another video. You can do this by running: ffmpeg -version. /ffmpeg -init_hw_device cuda=cuda:1 -hwaccel cuda -filter_hw_device cuda -hwaccel_output_format cuda -i 2_dump. mkv. We are using two-step encoding with ffmpeg to encode raw . png -filter_complex " [0:v]scale=1920:1080,yadif=0 [base]; [base] [1:v] overlay=main_w-overlay_w-10:10 [marked]" -map " [marked]" -vcodec h264_nvenc -acodec libfdk_aac -ab 192k -ar 48000 -f flv rtmp_output. extern AVFilter ff_vf_mcscale_cuda; The change in (2) does not become recognized until . This document describes filters, sources, and sinks provided by the libavfilter library. 264 Sep 4, 2020 · I want to use 'overlay_cuda' in filter complex. Example 2 fails, using vanilla ffmpeg mpeg2 source input filter. ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i input. Mar 26, 2022 · any stream. mp4 -vf "hwupload,libplacebo=1280:720:yuv420p" out. mkv -filter:v "setpts=0. First, however, enter nvidia-smi to see whether the container can see your NVIDIA devices. 5,hwdownload,setdar=dar=16/9" -r 25 -c:v h264_nvenc -preset slow -bf 2 . Can anyone please clarify ? 4. And I need to do it as fast as possible. Fast command (without encoding): ffmpeg -i input. We can resize frames at the decoding step then not necessary to use scale_npp filter. For example, if there are two succesive frames shown at timestamps 1 and 2, and you want to speed up the video, those timestamps need Join the GeForce community. Create high-performance end-to-end hardware-accelerated video processing, 1:N encoding and 1:N transcoding pipeline using built-in filters in FFmpeg. Luckily, Google Colab GPU instance comes already configured with CUDA and the pre-built binaries included in this repository were built/compiled in the same environment. ur gi jl gn uc is st gz pq sb