Ffmpeg hwaccel auto download

Ffmpeg hwaccel auto download. S74E02 torrent or any other torrent from the Video HD - TV shows. Whereas this gives me 155-165fps encode. For hardware h. I wish to decode a 4K HEVC video to lower resolution FHD, H264 as fast as possible. avi output. Apr 1, 2024 · ffmpeg -hwaccel dxva2 -i input. answered Jul 19, 2013 at 16:31. Then it compress it using default settings in H. What I'm trying to do is only optimize the video size while keeping all original metadata (or as much ffmpeg can transfer to the converted file): Thank you in advance! For the skipping, try adding -g 140. Applying option pix_fmt (set pixel format) with argument yuv420p. mp4 -vf Please note that the ffmpeg tag states: "Only questions about programmatic use of the FFmpeg libraries, API, or tools are on topic. avi. it sounds like it might not have been. ytdlp>yt-dlp. For my ffmpeg I get the following Nvidia encoders in that list. 61 KiB. avi -r 24 output. Oct 9, 2023 · Saved searches Use saved searches to filter your results more quickly Jan 24, 2024 · [FFmpeg-devel] [PATCH 16/31] fftools/ffmpeg_dec: pass hwaccel options to the decoder in a separate struct Anton Khirnov anton at khirnov. Questions about interactive use of the command line tool should be asked on Super User or Video Production . The Video that was encoded using the NVIDIA has no problems (playback on AMD). a video option with no video streams) or > that it is a private option of some encoder which was not actually used for > any stream. in ffmpeg even when i change global_quality to 40 it's still only 240 fps. 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. avi -vf scale="720:-1" output. org). MPEG2-TS is a container/packaging format and need not contain only MPEG-2 video streams. 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 Oct 29, 2021 · Describe the problem you are having. I can encode on all gpus by using -gpu N, but decoding will always be done by CPU. This file sets up the msys2 system and the compiler environment. If I will provide manually omx headers, then it will compile CUDA Scaling slower than Software? I'm resizing a series of very large videos down for reviewing. double. Reload to refresh your session. c who replied with the following message:. 264 with the hardware encoder. ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda –crop 16x16x32x32 -i input. h. exe -encoders and look for ones that mention NVIDIA in the list. Apr 21, 2022 · 84. media-autobuild_suite. di. Show activity on this post. 1 -map v:0 -c:a copy -map 0:1 -pix_fmt yuv420p -sws_flags bicubic -movflags faststart -y "D:\test\test_recode. This happens if:- Set -c:v h264_cuvid before the input- Set -hwaccel cuda AND -hwaccel_device N. Does "-hwaccel auto" option function on Mac? These don't appear when I use "-hwaccel videotoolbox" option. I'm trying to get to work hardware acceleration on my Raspberry pi 4-64. How to make this regression test run in software even if HWACCEL is specified? comment:22 by low-batt, 8 months ago. How to make this regression test run in software even if HWACCEL is specified? Nov 15, 2020 · ffmpeg -i video. The problem is definitly by encoding with AMD hardware acceleration. yuv Encode-only. 8. 1. The CPU/CPU is an AMD A10-9700 using opensource amdgpu (mesa). Errors in parsing the environment variable are not fatal, and will not appear in the report. org), VAAPI (ffmpeg. 2_dopofestival_2024_2. idx file. dev. It helps to use H/W-accel for both decoding and encoding. mp4 -vf Jul 19, 2021 · Since you are using FFmpeg to enable this feature and the analysis shows likely ffmpeg QSV plugin issue, I contact the ffmpeg plugin team and they have the same response. Or compile from code using the . 43 GiB. Its important to note that hardware accelerated decoding can reduce the quality of the videos. srt -c copy aa. You signed out in another tab or window. 10. Manually install the 3rd party tools, e. Jul 29, 2021 · Since you are using FFmpeg to enable this feature and the analysis shows likely ffmpeg QSV plugin issue, I contact the ffmpeg plugin team and they have the same response. This is more evidence suggesting: Ensure you increase the allocated RAM for your GPU to at least 128 ( raspi-config > Performance Options > GPU Memory). But recieved this error: [wmv3 @ 000002632DFC5180] No decoder surfaces left. Each decoder may have specific limitations (for example an H. You can list the encoders available using ffmpeg. 264 videos at various output resolutions and bit rates. The video that was encoded on the AMD has slow forwarting on AMD and Intel CPUs. mp4" I'm running this via powershell using the full FFMPEG build from gyan. the GPU is an RTX 2060Ultra. Create high-performance end-to-end hardware-accelerated video processing, 1:N encoding and 1:N transcoding pipeline using built-in > filters in FFmpeg. com Fri Mar 29 12:30:44 EET 2024. I use following commands to do rescaling for videos and images. Over 30 new filters have been added. 264 1080i content) and downscale to PAL size. c: - . This command does improve the file size with minimal impact on visual quality (approx 209MB): ffmpeg -y -i test. But it is painfully slow (somewhere around 40 FPS) : ffmpeg -i source. Sanremo. Always use single-floating point precision sample format. The following results in 70-80fps encoding. mp4 -codec:v h264_qsv -preset slow -b:v 8000000 -bf 2 -flags +cgop -c:a copy -movflags faststart CONVERTED. Posted August 11, 2018. I'm now struggling to influence file size and quality, as the documented settings appear to have almost no impact. The video codec is actually h264. They will need a strong reason in order to look at it. Hardware accelerated decoding can be easily enabled in ffmpeg by prepending -hwaccel auto before the input video file. I can only decode using h264_cuvid on the first GPU, with either -c:v h264_cuvid before input or with -hwaccel (without especifying hwaccel_device) Aug 22, 2020 · Saved searches Use saved searches to filter your results more quickly Oct 21, 2016 · The ffmpeg package from apt now comes with hardware codecs enabled so you can just install that using: sudo apt install ffmpeg. Try running. 87 GiB. Default value is auto. Now I have a gaming computer - with an i7 10700F Comet Lake processor Dec 6, 2020 · ffmpeg+VA-APIでハードウェアエンコードをする時にはhwaccelオプションでハードウェアデコードしない方が綺麗に仕上がる. As I remember it, in the Handbrake log, more information is presented about the Oct 26, 2021 · 1:N HWACCEL Transcode with Scaling. and if you want to retain aspect ratio just give height as -1 and it will automatically resize based on the width -. ffmpeg -hwaccel cuvid -c:v h264_cuvid -resize 1920x1080 -i INPUT -c:v hevc_nvenc -map 0 OUTPUT. Download PlexCleaner and extract the pre-compiled binaries matching your platform. mkv Select the . Split input audio stream into two bands (low and high) with split frequency of 1500 Hz, each band will be in API changes, most recent first: +2017-xx-xx - xxxxxxx - lavc 57. Mar 17, 2015 · I cold emailed the author of libavcodec/vda_h264_dec. ffmpeg -i input. Now we get a correct video output, powered by hardware accelerated encoding! Using the hardware encoder the Pi can encode this 1080p video at 53-60 FPS, compared to just 8-10 FPS when using the libx264 CPU decoder. HW-assisted encoding is enabled through the use of a specific encoder (for example h264_nvenc). log using a log level of 32 (alias for log level info ): FFREPORT=file=ffreport. mp4 -map 0:v -map 0:a -c copy output. # if you want to decode a h264 stream. " Jan 8, 2024 · QSV Decode -> download -> flip -> upload -> QSV Encode. Intel CPU support for hardware encoding/decoding (wikipedia. Instead of -s you can use the scale video filter: -vf scale=150:-1. In fact the QP setting in handbrake doesn't make a difference in encoding speed. Also my fans are scaring me. mov -vf hwupload_cuda,scale_cuda=1280:-2 -c:v hevc_nvenc -cq 28 output. Removed support for libvo-aacenc and libaacplus. Aug 21, 2022 · Task transcoding. Influencing the Quality. But I couldn't even enable HW accelerated decoding: ffmpeg -hwaccel auto -i mysource. html Jan 5, 2024 · This is not limited to vaapi encoding, but also affects any hardware accelerated filters that I tested: overlay_cuda, bilateral_cuda, overlay_opencl, overlay_qsv, overlay_vaapi and overlay_vulkan. float. Just tested on 50 and then on 10, both 305~ fps. mkv -c:v hevc_videotoolbox -constant_bit_rate true out. If you are using the HA addon, you may need to use the full access variant and turn off Protection mode for hardware acceleration. This is more evidence suggesting: Apr 16, 2023 · I installed their recommended system (Debian 11(Bullseye) Core, without GUI, Kernel 5. > Stream mapping: > Stream #0:0 (hevc) -> overlay_vaapi > Stream #1:0 (tiff) -> hwupload:default > overlay_vaapi:default -> Stream #0:0 (hevc_vaapi) > Press [q Mar 29, 2024 · [FFmpeg-user] amd hwaccel encoding + overlay filter is not working together György Pásztor coruscant0+ffmpeg at gmail. This is more evidence suggesting: When using FFmpeg the tool, HW-assisted decoding is enabled using through the -hwaccel option, which enables a specific decoder. exe --ffmpeg-location D:\ffmpeg -S "res:1080" --recode-video mp4 VIDEOURL. All is done in the GPU. Type "Environment" into the search field in "Start" and open the last entry "Environment Variables" In the popup click on "Path" in the second windows for the system variables. I buy a V88 mini 3 (2G ram / 8G EMMC) for make the test of MPP api and use it in ffmpeg. 6. Based on the doc I did check that dxva2 is enabled and working fine (roughly 300 FPS) : API changes, most recent first: +2017-xx-xx - xxxxxxx - lavc 57. For normal use you only have to start this file. Previous message (by thread): [FFmpeg-user] amd hwaccel encoding + overlay filter is not working together Next message (by thread): [FFmpeg-user] Build ffmpeg with libplacebo enabled Jul 21, 2019 · ffmpeg -hwaccel auto -i video. Standard ffmpeg install. The privious command executed in Windows, reads one MPEG-TS file with one video stream (pid 256) and one audio stream (pid 257). 264 Aug 11, 2022 · I try to use Intel core GPU to accelerate ffmpeg video transcoding (pull video from camera via RTSP, convert to Adaptive Bitrate HLS chunks). 2024. [file @ 0804f140] Setting default whitelist 'file,crypto' Successfully opened the file. Set the video bitrate of the output file to 64 kbit/s: ffmpeg -i input. vainfo: sudo vainfo. \ffmpeg -hwaccel cuvid -i . NET SDK. It takes less than 10 seconds to download a 500MB video and 5 minutes+ to convert because FFMPEG defaults to CPU encoding. + DXVA2 and D3D11 hardware accelerated decoding now supports the new hwaccel API, + which can create the decoder context and allocate hardware frame automatically. avi -vf scale="720:480" output. Depending on platform and video codec used you might or might not have hardware acceleration support for video decoding. Applying option f (force format) with argument mpegts. You signed in with another tab or window. LinuxにおいてインテルやAMDのGPUを使ってffmpegでハードウェアエンコードする場合は、VA-APIというAPIを通して行います。. Currently, when testing with ffmpeg I can manage to make hwaccel for decoding and encoding (CPU: AMD A10 9700, with open source driver) using this line, which differrs for each camera (one is a Doorbell Hikvision and the other is a IPCam Dahua): ffmpeg -y -hwaccel auto -i "8kleopard2. Direct download via magnet link. That processes the video with a speet at about 160fps, which is great comparing to the software encoder. There are no win32/x86 auto-builds, though you can produce win32 builds yourself following the instructions below. Aug 8, 2020 · The order of your -map options determines the order of the streams in the output. ( because i must wait for the version with amlogic ) 1 Install Armbian. In this command, -c:v copy tells FFmpeg to copy the video stream as-is, and -c:a flac tells FFmpeg to encode the audio stream using the FLAC codec. Check supported qsv encoder list ffmpeg -encoders|grep qsv Check private option list of h264 encoder Jul 19, 2013 · 6. The following command reads file input. On the other hand, as my understanding FFmpeg is a rich supported platform, it should have a good software encode for you. exe -y hwaccel qsv -i MY_VIDEO. FYI, on Arch Linux. Auto-Builds run ONLY for win64 and linux (arm)64. You can influence the quality of the output file using various options. 公式Wikiにその方法 You might need -c:v h264_cuvid (or another cuvid decoder if you're not decoding h264) before your input as well to specify you want to decode with cuvid and not the software decoder. Hi, The use of multiple "-hwaccel" parameters is valid, as they only initialize the gpu libraries. org) #Server #Ubuntu. nfo. " appears, the color format of output is not nv12 but yuv420p and CPU usage is high in Active Monitor when I use "-hwaccel auto" option. 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. bat. mp4 -map 0 -c:v libx264 -crf 18 -vf format=yuv420p -c:a copy output. . 2 Checkp MPP. g. As a very quick hacky test, this change to vp9. Do notice that I added "-hwaccel auto" there since that speeds up the decoding-process as well. mp4 If filter parameters are used in transcoding, users can’t set hwaccel_output_format parameters. 1 Examples. 11. 100. Note that in this example the audio stream of the input file is simply stream copied over to the output and not re-encoded. mp4 -f null - -benchmark ffmpeg -hwaccel auto -i aa. Summary of the bug: When I try to use av1 hardware decoder with -hwaccel d3d11va, then hardware AV1 decoder is working in one thread only, because FPS for video decoding is the same with and without -threads 1 option, VCN utilization is about 53% for both commands. Jun 6, 2020 · All VAAPI hardware surfaces in ffmpeg are represented by the vaapi pixfmt (the internal layout is not visible here, though). Always use double-floating point precision sample format. Hello "Either hw_frames_ctx or hw_device_ctx must be set. 264 decoder may only support baseline profile). sub file. EDIT: Forgot to mention that you can check all the various h264_amd - specific settings with: ffmpeg -h encoder=h264_amf 3 days ago · For example, to output a report to a file named ffreport. mp4 -i aa. mp4. When decoding a video using a hardware decoder such as cuvid, the decoded frames are in an hardware-specific data layout in hardware device memory. If I use the much smaller FFMPEG build that Automatic downloading of Linux 3rd party tools are not supported, consider using the Docker build instead. mp4 -f null - HEVC 10bit video decode and download as p010le yuv file ffmpeg -hwaccel qsv -c:v hevc_qsv -load_plugin hevc_hw -i input. ffmpeg -hwaccel auto -i "D:\test\test. 0 "Einstein", a new major release, is now available! Some of the highlights: The native FFmpeg AAC encoder has seen extensive improvements and is no longer considered experimental. error: XDG_RUNTIME_DIR not set in the environment. Hi, I am trying to make hwaccel via vaapi in ShinobiCCTV but seems not working correctly (because high cpu usage, even using "copy" en video encoding). I have information that lossless JPEG is not supported by the GPU. Playback in all 4 instances (INTEL, AMD CPU and NVIDIA, VEGA encoded video) was with VLC. \a. wmv -c:v hevc_nvenc -bf 4 -preset slow -c:a aac -b:a 256k myvideo. mp4 -c:v h264_amf output\%05d. Please test current FFmpeg git head and provide the command line you tested together with the complete, uncut console output to make this a valid ticket. ffmpeg: Apr 15, 2019 · According to NVIDIA's developer website, you can use GPU to speed up the rendering of the ffmpeg filter. mp4 -c:a copy -c:v h264_nvenc -b:v 5M output. from the wiki, ffmpeg -encoders|grep qsv and ffmpeg -h encoder=h264_qsv should return positive results if your ffmpeg has been built with qsv. Description. Ability to add your own custom high-performance CUDA filters using the shared CUDA FFmpeg decoding/encoding hwaccel. ffmpeg -hwaccel qsv -c:v h264_qsv -i input. FFmpeg 3. Another solution could be user customizeable ffmpeg commands. Then c:v and c:a after to override the copy for videos and audio. the CPU is an AMD 3500x. ittv. Builds run daily at 12:00 UTC (or GitHubs idea of that time) and are automatically released on success. Made with Aug 3, 2017 · iii. For example hardware accelerated decoding of H264 video has been supported on Nvidia Sep 23, 2022 · This command encodes a video with good quality, using slower preset to achieve better compression: ffmpeg -i input -c:v libx264 -preset slow -crf 22 -c:a copy output. Example to re-position video so it is listed first, followed by the audio: ffmpeg -i input. However, at time it's impossible to use two different GPUs because the lack of a "hwupload" filter Jan 31, 2024 · Saved searches Use saved searches to filter your results more quickly Auto pick internal sample format depending on other filters. I know FFMPEG accepts an argument "-hwaccel auto" that checks NVENC and all possible hardware encoding options available on the system and encodes the video using the GPU, but I simply can't Nov 5, 2018 · In current versions of FFMPEG hardware acceleration is supported automatically if available. Force the frame rate of the output file to 24 fps: ffmpeg -i input. Apr 20, 2023 · 1:N HWACCEL Transcode with Scaling. In fact, the filter processing is finished in the CPU in the above example. Every time you start this batch file it runs through the process, but after the first time it only checks some variables and run updates to the MinGW environment. mkv" -c:v h264_nvenc -b:v 4180k -preset slow -profile:v high -level 5. Feb 23, 2021 · FFmpeg detailed but non-actionable background on hardware acceleration (ffmpeg. Omitting the latter will result in encoder initialization failure, as you observed. 1_sanremo_2024_2. ffmpeg -hwaccel vaapi -hwaccel_output_format vaapi - Aug 18, 2023 · Download FFMpeg and expand it into that subfolder. The hwaccel decoders normally output frames in the associated hardware format, but by default the ffmpeg utility download the output frames to normal memory before passing them to the next component. Successfully parsed a group of options. following steps similar to the Docker file commands. bsfs = "vp9_superframe", Caused FFmpeg to be able to decode the example video from the Chromium bug as well as a longer video that showed the problem. 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. Sep 14, 2023 · Description. If I use the same command on hevc / h264 video, then I got 98% of Nov 7, 2020 · What you want is to use one of the hardware encoders. mp4 ffmpeg -hwaccel d3d11va -i input. Aug 11, 2021 · I am trying to develop a transoding service which makes use of nvidia hardware acceleration capabilities ( The gpu used in this process is a Tesla T4); I want to generate a mpeg-dash playlist for my Jul 7, 2022 · Testing: Build synthetic pattern for testing (apply low resolution 192x108 for example): ffmpeg -y -f lavfi -i testsrc=size=192x108:rate=10:duration=10 -vcodec libx264 -pix_fmt yuv420p -f h264 input. That is also why ff_find_hwaccel is deprecated. org), QuickSync (ffmpeg. Feb 27, 2019 · Thank you generix for reply, When I try this code - i changed format=p010le (download 10bit format, it looks like complex filter is indid processed through GPU cuda-system CPU is less used , but final output video is meesed up - I suspect it is because my input mkv video is in HDR. Jan 18, 2024 · Looking for some advice on how to combine options relating to screen grabbing with ddagrab using ffmpeg, encoding using nvenc and scaling down in the process. 265 the hevc_nvenc. Click on "Edit" and add new entry "C:\Bin\FFMpeg\Bin" Create a link on the desktop to C:\Bin\FFMpeg\doc\FFMpeg-all. Here's an excerpt from this detailed post/thread on the Raspberry Pi Forum: Pi0-3 have hardware accelerated decode for H264, MPEG4 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. If the value for w or h is -1, the scale filter will use, for the respective output size, a value that maintains the aspect ratio of the input image. It's also the same when i change global_quality to 30. 100 - avcodec. comment:22 by low-batt, 8 months ago. For the GPS, try "-map 0 -copy" at the beginning so that everything is copied. After '--enable-omx' and 'enable-omx-rpi' for FFmpeg, build fails with error: 'OMX_Core. Just another audio stream Apr 1, 2024 · The most likely > reason is either wrong type (e. 264 you will want to use the h264_nvenc video codec or for h. 110), then ffmpeg with apt. Mar 16, 2021 · The command setting decoding and encoding I provided above are completely completed by the graphics card hardware. mkv -vf scale=1280x720 -c:v h264_amf output. The filter graph deinterlaces the input video (H. mp4 and transcodes it to two different H. net Wed Jan 24 10:16:46 EET 2024. Previous message (by thread): [FFmpeg-devel] [PATCH 15/31] fftools/ffmpeg: move hwaccel_retrieve_data() from ffmpeg_hw to ffmpeg_dec 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. Issuing this command: . After hwdownload, the pixel format is qsv, and we have to use format=nv12 before hflip filter I have information that lossless JPEG is not supported by the GPU. Dec 23, 2023 · Saved searches Use saved searches to filter your results more quickly i'm very new to this sorry, i'm trying to convert a video to mp4 to edit later, but it takes a lot and uses the cpu, is there a way for ffmpeg to use the gpu instead? something that i need to add to the cmd? i usually do this when downloading. There are a few hardware enabled codecs on the Pi depending on which model you've got. -hide_banner. 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. 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'" Citing GDPR in a support email will get you a 7 day evaluation to download any images from your account, no CC required r/Gentoo • net-im/nheko fails to build from GURU overlay Jul 24, 2022 · This works totally fine if I use CPU-bound libraries. Opening an output file: NUL. You can do this with ffmpeg. Suppress printing banner. mp4 -c :v h264_v4l2m2m -b :v 8M -c :a copy test. As we know, using the –hwaccel cuda -hwaccel_output_format cuda flags in FFmpeg pipeline will keep video frames in GPU memory, and this ensures that the memory transfers (system memory to video memory and vice versa) are eliminated, and that transcoding is performed with the highest possible performance on the available GPU hardware. Figure 2: A properly encoded cow. Mar 6, 2021 · I tested ffmpeg for cuda acceleration. We then pick up the named hardware acceleration implementation, vaapi, and call it up for both the hardware accelerator device ( -hwaccel_device) and the device to which we will upload the hardware frames via the hwupload filter ( -filter_hw_device ). 7. bsfs = "vp9_superframe_split", + . ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i input. jpg. You switched accounts on another tab or window. I can successfully capture desktop to file without scaling using nvenc, and I can also decode a file, scale it it and re-encode using nvenc. h not found'. Auto-Builds. Ffmpeg will automatically search for the . mkv. I'm using FFmpeg and AFAIK hwaccel can be reached by using OpenMAX or V4L2-M2M. For fixed width and height -. For example, you can change the bitrate of the video using the -b option: Jun 4, 2021 · Saved searches Use saved searches to filter your results more quickly Aug 11, 2018 · Members. I'm not very surprised that the VDA decoder cannot be properly inited here But av1 doesn't have a vaapi encoder according to the "ffmpeg -codecs". log:level=32 ffmpeg -i input output. In this example the input file has audio as stream #0 and video as stream #1 (which is possible but unusual). On supported hardware, it is of course very fast, but unfortunately there are currently very few graphics cards that support hardware decoding of vp9 encoded files (most of them have only been launched recently). 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 1, 2021 · Here is my command: ffmpeg. mp4 -vf hwdownload,format=p010 -pix_fmt p010le output. Feb 14, 2024 · Get this torrent PLAY/STREAM TORRENT ANONYMOUS DOWNLOAD. avi -b:v 64k -bufsize 64k output. Show comments Show property changes. Download Festival. Summary of the bug: How to reproduce: % ffmpeg -hwaccel cuvid -hwaccel qsv -i input -filter_complex "hwupload" output. The reason for that is that QSV hardware acceleration uses memory buffers that are allocated using the GPU device driver (and even if not, FFmpeg consider the buffers as "device memory" buffers). 2 days ago · Convert an input media file to a different format, by re-encoding media streams: ffmpeg -i input. ux ue ke vn em lw ox ii vf ij