Ffmpeg hwaccel example. Generated on Wed Jan 8 2025 19:23:11 for FFmpeg by .
Ffmpeg hwaccel example To enable hardware acceleration in FFmpeg, you need to specify the appropriate hwaccel_args in your configuration. ts -vcodec copy m1_not_decodable_with_acceleration. 1 KHz or 48 KHz. 8 * 9 * FFmpeg is free software; you can redistribute it and/or. I followed ffmpeg offical github's example (Here -> vaapi_encode. Definition at line 3331 of file avcodec. Return codec bits per sample. 265 by QSV hw-encoder you need instruct ffmpeg to use hw-accelerator ‘qsv’ by ‘-hwaccel qsv’, apply HEVC hw-encoder by ‘c:v hevc_qsv’, in addition you need load hevc plugin (see the example command line). And make an effort and read this web page – Rotem When using ffmpeg, we can use -hwaccel <hwtype> (for example with hwtype = cuvid) before -i to instruct ffmpeg to use the specified decoders, instead of the default one. Instructs FFmpeg to use accelerated plugins provided by AMD AMA Video SDK-out_fmt nv12. mkv Hardware Encoding. 265 (HEVC) streams, you can use: ffmpeg: hwaccel_args: preset-qnap-64-h265 Raspberry Pi 3/4 Considerations. Here’s how to set it up: ### For H264 Streams ```yaml ffmpeg: hwaccel_args: preset-rpi-64-h264 For H265 (HEVC) Streams ffmpeg: hwaccel_args: preset-rpi-64-h265 Try replacing scale with scale_vaapi and replace -c:v h264 with -c:v:0 h264_vaapi. Start with simple input like input. yml, ensure you include the device mapping for hardware acceleration: version: "3. com> wrote: > >> From 6b56c541ed7dd271ad0aa6eb6412a8427f009525 Mon Sep What's unfortunate is that GPU-PV doesn't play nice with DDA in Hyper-V VMs (ffmpeg -hwaccel cuda segfaults) so I can't get hardware encode/decode unless I DDA a discrete video Thanks for your answer!I already tried to install av1_amf on Debian, but the amdgpu-pro-driver is a piece of sh*t. You need a good understand of h. Execute ffmpeg -h filter=scale_qsv, and verify the output is QuickSync video scaling and format conversion. Referenced by decode_video(). mp4 -vf 'format=qsv,hwupload=extra_hw_frames=64' \ -c:v hevc The Advanced Video Options section on FFmpeg wiki. ) only, and would normally [in] want_sample: indicates if samples are wanted which exhibit this feature. 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 . For example, this can be used to try to decode baseline profile H. Is it possible to, instead of scaling, apply a deinterlace filter to be handled by the hardware, like the scaling is in the example above? Does libnpp provide deinterlace? I looked into the ffmpeg H265 encoders available to me, and found hevc_nvenc. comments sorted by Best Top New Controversial Q&A Add a Comment. It is mostly used as a testbed for the various FFmpeg APIs. 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 HWAccel Struct Reference. mp4 -c:v rawvideo -an cam. Thus, the application must be prepared to handle ffmpeg: hwaccel_args: preset-intel-qsv-h264 input_args: preset-rtsp-restream output_args: record: preset Another example would be for the doorbell "It is important that the http-flv stream is still used for stability" but as of firmware v3. Thanks Best compression example: ffmpeg -i input -c:v libx264 -preset veryslow -qp 0 output. What is the version of FFmpeg? What OS are you using Windows or Linux? The Intel Media SDK project is no longer active. mkv Note that lossless output files will likely be huge, and most non-FFmpeg based players will not be able to decode lossless. I use hwaccel to decode but, for the pixel conversion, I have to transfer the data from GPU to CPU and use sws_scale to perform the conversion. 264 you will want to use the h264_nvenc video codec or for h. mkv -loglevel verbose. mp4 -ss specifies the start time, e. 265 For example ffmpeg -hwaccel auto -i input output will write [vist#0:0/h264 @ 0000021c3915e700] [dec:h264 @ 0000021c39fa4740] Using auto hwaccel type dxva2 with new default device. mp4 or ffmpeg. int Generated on Sat Jan 11 2025 19:23:48 for FFmpeg by I analysed the sample you provided and there's only one I-frame in the entire video (the first frame), all the others are B-frames. This will be called from ff_get_format(), after hwaccel and hwaccel_context are set and the hwaccel private data in AVCodecInternal is allocated. Referenced by hwaccel_init(). 000 or 83 (in seconds)-t specifies the duration of the clip (same format). ffmpeg -hwaccel cuvid -surfaces 8 -vcodec h264_cuvid -vsync 0 -i rtmp://serveraddress -filter_complex [0]fps=fps=1[s0] -map [s0] -f rawvideo -pix_fmt rgb24. 265 streams: For H. For example, using the provided m1_not_decodable_with_acceleration. See an example of this filter snippet used above in the two-pass example in FFmpeg below. ffmpeg -codec:v h264 -i test. This folder contains the entire source code for the FFmpeg executable, which is a fork of the main FFmpeg GitHub (release 5. Here’s a sample command to check if hardware acceleration is enabled: ffmpeg -hwaccels # For H264 stream decoding ffmpeg: hwaccel_args: preset-rpi-64-h264 # For H265 stream decoding ffmpeg: hwaccel_args: preset-rpi-64-h265 Device Mapping. Just created a stand alone slice of code that we use locally to wrap libav for video decoding (there is some new hwacceleration portions that are buggy/in testing, feel free to pull that stuff out) For example, this can be used to try to decode baseline profile H. ffmpeg: hwaccel_args: preset-intel-qsv-h264 H. Improve this answer. And I'd like to have ffmpeg speed up decoding. file $ /usr/local/bin/ffmpeg -y -hwaccel cuda -i input. ffmpeg. Nothing would work unless someone rewrite it from scratch. [vist#0:0/av1 @ ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i SOURCE -c:v hevc_nvenc -preset slow OUTPUT. setFfmpegPath(path) Argument path is a string with the full path to the ffmpeg binary. It is highly recommended to use a GPU for hardware acceleration in Frigate. mpg . mp4 -vf "hwupload,libplacebo=1280:720:yuv420p" out. glog: Google Logging (glog) is a C++98 library that implements application-level logging. Activating support for ffmpeg -hwaccel vaapi -hwaccel_output_format vaapi -i input. This option is thus mainly useful for testing. In the case of cuvid, this would be h264_cuvid, ffplay -hwaccel_flags my. ffmpeg -r 60 -f image2 -s 3840x2160 -i TEST_%04d. Some types of hardware acceleration are detected and used automatically, but you may need to update your configuration to enable hardware accelerated I'm trying to use ffmpeg(3. Below are examples of how to configure FFmpeg for decoding H. 9" services: frigate: devices: - /dev/dri/renderD128 # for intel hwaccel, needs to be updated for your hardware After modifying the configuration, run the following command to apply the changes: ffmpeg -i input. Currencly without hardware accel, using 3 rtsp cams uses each 100% of a core (which List all hardware acceleration methods supported in this build of ffmpeg. Try adding your filter before format=nv12,hwupload in the filter chain. If you are running Frigate in Docker, ensure you either run in privileged mode or map the /dev/video* devices to Frigate. yaml or frigate. You can now use -hwaccel cuda switch for encoding. 265 streams: # For H. 168. In the example below the work will be executed on To provide a working example of this, I have an ffmpeg installation from homebrew, that lists videotoolbox (which is a HW accelerated codec) via ffmpeg -encoders | grep h264: V. Using hevc_nvenc does in fact use the For example: (input. Quote from my bug: "I will also point out that there is no difference with SW decoding of sample in #628 between the master and the fork which means the increase in SAMPLES in avc bitsream does not matter on that sample". ffmpeg -i m1_not_decodable_with_acceleration. your command string is more complex than the sample ones from the trac. yml will be ignored. Generated on Fri Jan 12 2018 01:46:25 for FFmpeg by Here's my Frigate config. Message ID: 09386466-2472-4f2d-27c6-362b61543828@gmail. zip. Everything seems to be compiled properly with the AMD AMF headers. hwaccel ama. For hardware h. 5 Supervisor 2023. mp4 -t [duration] -c copy out. mkv” is only an example. If hwaccel is NULL, returns the first registered hardware accelerator, if hwaccel is non-NULL, Generated on Wed Jun 10 2015 01:57:05 for FFmpeg by When using ffmpeg to encode to hevc, using the -preset option should set the TargetUsage parameter in ffmpeg accordingly. h> Data Fields: const char * Generated on Thu Sep 10 2015 11:39:15 for FFmpeg by Using the example test command: ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i input. ffmpeg: hwaccel_args: preset-nvidia-h264. Example: ffmpeg -hwaccel cuvid -c:v h264_cuvid -i input. This is mostly included as an example of how to get CUDA scaling working with a CPU bound filter. : -hwaccel auto -i Hi, FFMPEG main branch supports D3D12VA since december. The AMD hardware accelerated decoder supports most widely used containers and video elementary stream types. plase can add that to full build in addition to existing D3D11VA decoders? ffmpeg -hwaccel d3d12va -i c:\av1\sample. Please make an effort to reduce the command to minimal example that reproduces the problem. yuv file to . Run ffmpeg -filters and check the C column – if it is present, a filter supports receiving input this way. ts -codec:v mpeg2video software. Test result: captions present in the output file . The following user guide shows how to use the Once you know the index, the -hwaccel_device index flag can be used to set the active GPU for decoding and encoding. In the example below the work will be executed on the gpu with index 1. Seriously; everything open source works perfectly out of the box and as soon as you need a few libraries out of the This will be called from ff_get_format(), after hwaccel and hwaccel_context are set and the hwaccel private data in AVCodecInternal is allocated. In general, -hwaccel option actually applies to the input stream, i. Examples from FFmpeg Wiki: Hardware Acceleration - NVDEC. mp4 // Option pixel_format not found ffplay -decoders here. 264 streams in hardware - it will often succeed, Generated on Wed Aug 24 2022 21:32:29 for FFmpeg by Here’s an example configuration: ffmpeg: hwaccel_args: preset-qnap-64-h264 For H. Definition at line 126 of file hwaccel_internal. I want to merge multiple h264 / mp4 files using a complex filter (simplified example): ffmpeg -hwaccel cuvid -c:v h264_cuvid Initialize the hwaccel private data. mp4" Source file-c:v h264_nvenc: Encode the video using the NVIDIA NVENC encoder. uninit. Recommended minimum bit rates to use ͏ The bit rates listed here assume Stereo (2 ch) and sample rate of 44. I'm using the usual way of decoding frames: read packet -> decode frame. I now compared CPU and NVDEC performance using the 3840x2160 HEVC sample at # For H. 0. h264) using hardware acceleration. i. mp4 -c:v hevc_nvenc -c:a libopus -crf 26 hevc_nvenc This seems to happen, when the bitstream provided for decoding doesn't contain SPS/PPS. mp4 -c:v libx265 -vtag hvc1 -vf scale=1920:1080 -crf 20 -c:a copy output. int : prediction_method : prediction method (needed for huffyuv) encoding: Set by user. If everything is working correctly, you should see a significant improvement in performance. make sure you have a h. h264 file, I would like to save the frames to either . Wed Jan 11, 2017 8:47 am . Detailed Description Stack Exchange Network. #include <ffmpeg. Specifies Is the only thing I need since the idea is to use this SBC as Surveillance platform (for example, with Motion+Motioneye or Shinobi). And make an effort and read this web page – Rotem ffmpeg -filter_complex ddagrab=0,hwdownload,format=bgra -c:v libx264 -crf 20 output. Using AVOptions. 265 Streams ffmpeg: hwaccel_args: preset-intel-qsv-h265 Testing Hardware Acceleration. The cameras are first added to go2rtc, and the cameras section pulls the feed from there into Frigate (and Home Assistant) . mp4 Options Explained-i input file name or file path-c:v libx265 -vtag hvc1 selecting compression. Unzip this file into ma35_ffmpeg folder. You switched accounts on another tab or window. AVCodecContext in libavcodec or AVFormatContext in libavformat. Such structs in FFmpeg are e. I am trying to use Nvidia hardware acceleration for FFmpeg using cuvid. Generated on Thu Apr 18 2024 22:43:15 for FFmpeg by Argument Description-hwaccel cuda: CUDA Hardware Acceleration (use if possible and no errors arise)-i "input. Here’s how to do it with Docker Compose: The fact is that rkmpp hwaccel in ffmpeg is outdated to support rk35xx chips, and it doesn’t support encoding. 5 * HW Acceleration API (video decoding) decode sample. I Frigate Configuration. using ffmpeg hwaccel from C++. Also note, that neither command line construction will result in the use of nvenc on the encode side. mp4 small2. mp4 -c:v h264_qsv -global_quality 25 output. ffmpeg -hwaccel dxva2 On 2017/3/21 12:57, wm4 wrote: > On Tue, 21 Mar 2017 12:45:26 +0800 > Jun Zhao <mypopydev@gmail. So I've built it with --enable-vaapi and --enable-hwaccel=h264. AVBufferRef* InputStream::hw_frames_ctx: Definition at line 372 of file ffmpeg. ffmpeg -hide_banner -hwaccel cuvid -hwaccel_output_format cuda -i "input. The example above demonstrates the use of the hevc_qsv encoders with If you have media files that cannot be processed correctly with FFmpeg, be sure to have a sample with you so we can have a look! For the first time support for decoding through VDPAU in ffmpeg (the -hwaccel option) - complete Voxware MetaSound decoder - remove mp3_header_compress bitstream filter - Windows In the above command line, “input. added option -hwacccel cuvid seems like below. See the (ffmpeg-resampler)"Resampler Options" section in the ffmpeg-resampler(1) manual for the complete list of supported options. mp4 Or To enable hardware acceleration in FFmpeg, you need to specify the appropriate hwaccel_args in your configuration. 4 to an MP3 file, ffmpeg -filter_complex ddagrab=0,hwdownload,format=bgra -c:v libx264 -crf 20 output. Definition in file vaapi_h264. Reload to refresh your session. Follow ffmpeg: hwaccel_args: preset-vaapi" I am running SYSTEM 0. mkv would be lossless. Share. 2. 264 decoding. Sample decode using CUDA/NVDEC: ffmpeg -hwaccel cuda -i input. ffmpeg -hwaccel dxva2 -hwaccel_output_format dxva2_vld -i input. To use the new style nvdec hwaccel: $ ffmpeg -hwaccel nvdec small. Suppose you want to change some filter parameters based on an input file. mp4 is H264 and aac) ffmpeg -hwaccel cuda -i input. I am using the hw_decode. both AVCodecContext->hwaccel and AVCodecContext->hwaccel_context are NULL. Only return non-zero if the bits per sample is exactly correct, not an approximation If hwaccel is NULL, returns the first registered hardware accelerator, FFmpeg may invoke calls to this callback during the call to av_lockmgr_register(). xxx user: xxxxx password: xxxxxx. 30 To encode HEVC/H. In case the message is Unknown filter 'scale_qsv', update FFmpeg. For example to write an ID3v2. FFmpeg is a powerful tool for handling multimedia data. mp4 -f null - EDIT: I tried to use vtune to find out the truth, and i did find something. For this reason I am wondering: What is the correct pipeline to perform also the pixel conversion on the device side? bits_per_coded_sample : bits per sample/pixel from the demuxer (needed for huffyuv). I am trying to get hardware accelerated video working using libavcodec. Also start with simple output - two files (or one file) instead of HLS with 1000 arguments. mkv. ffmpeg -vsync 0 -hwaccel cuvid libavcodec provides implementation of a wider range of codecs. mp4 -c:a copy-c:v h264_nvenc -b:v 5M output. org page. -hwaccel_device[:stream_specifier] hwaccel_device (input,per-stream) Select a device to use for hardware acceleration. 5,hwupload -y output. For users operating on Raspberry Pi 3 or 4, it is essential to allocate sufficient RAM for the GPU. mp4 // no GPU usage up ffplay -pixel_format videotoolbox_vld my. 1 Operating System 11. 264 decode using CUVID: ffmpeg -c:v h264_cuvid -i input. mkv "hwdownload,format=p010le,format=yuv420p,hwupload_cuda" downloads frames from hardware to system memory in the original format (in this HWAccel is experimental and is thus avoided in favor of non experimental codecs. -hwaccel_output_format: This option should be used every time you declare the -hwaccel method as vaapi, so that the decode stage takes place entirely in hardware. 264 streams, include the following in your FFmpeg configuration: AMF is effectively supported by FFmpeg to significantly speed up video encoding, decoding, and transcoding via AMD GPUs. the D3D11 API TID3D11DeviceContext_Map API is causing huge CPU idle, while the DX9 API CdriverSurface::LockRect which I suppose does the samething as ffplay -hwaccel_flags my. 264 streams in hardware Thus, the hwaccel will by default make a copy for safety and resilience. 264 bitstreams to proceed (really!). Hwaccel Presets It is highly recommended to use hwaccel presets in the config. 1, fps increases 25 to ~40. You signed in with another tab or window. ͏ Also, E-AC3 is only officially (according to Dolby) supported in MP4 (for example, E-AC3 needs editlist to remove padding of initial 256 silence samples). Follow answered Nov 23, 2020 at 18:33. mkv Lossless Recording When using ffmpeg, we can use -hwaccel <hwtype> (for example with hwtype = cuvid) before -i to instruct ffmpeg to use the specified decoders, instead of the default one. This guide will delve deep into the FFmpeg command syntax, providing examples that cover complex scenarios and edge-cases. Does anyone have an idea why it is not working? Menion Posts: 17 Joined: Mon Feb 22, 2016 6:52 pm. 00:01:23. mp4 -vf fps=1/2 output-%04d. -hwaccel_output_format: This option should be used every time you declare the -hwaccel method as vaapi, so that the When it comes to hardware acceleration in FFmpeg, you can expect the following implementations by type: 1. For example, if you want to rotate the input at seconds 0, 1, and 2, create a file called cmd. 264 and H. mp4 -c:v h264_nvenc -b:v 5M output. The end user can install, upgrade, downgrade and resolve both conflicts and dependency resolution of packages on his/her distribution's package manager. 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 ffmpeg -hide_banner -v verbose \ -hwaccel cuda \ -init_hw_device cuda=c \ -filter_hw_device c \ -hwaccel_output_format c I just do it so the video scaling to work on mobile devices. These presets not only replace the longer args, but they also give Frigate hints of what hardware is available and allows Frigate to make other optimizations using the GPU such as when encoding the birdseye restream or when scaling a stream that has a size different than the native stream size. 264 encoder; Without the -hwaccel cuda -hwaccel_output_format cuda option, the decoded raw frames would be copied Other popular ffmpeg forks already increased this limit, e. Once you know the index, the -hwaccel_device index flag can be used to set the active GPU for decoding and encoding. yaml will be preferred and frigate. You may be able to use hardware accelerated decoding. Examine the output using MediaInfo or VLC. If want_sample is non-zero, additional verbiage will be added to the log message If hwaccel is NULL, returns the first registered looks like need more option about input area at ffmpeg. mp4 and transcodes it to output. AVRational : sample_aspect_ratio : sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel. avi" -c:a aac -b:a 192k -ar 48000 -vf "scale_cuda=856:480" -c:v h264_nvenc -preset hq -movflags faststart -qp 26 "output. mp4 I get the following output: HWAccel is experimental and is thus avoided in favor of non experimental codecs. 1 Libavcodec: How to tell end of access unit when decoding H. mp4: ffmpeg -y -f lavfi -i testsrc=size=192x108:rate=1:duration=10 -c:v libx264 -pix_fmt yuv420p input. Consult your locally installed documentation for older versions. Note that while it's much faster, the file sizes will be significantly larger than with libx264 or libx265 for the same quality - that's just If your ffmpeg was compiled with --enable-libnpp then consider using the GPU based scale_npp filter instead of scale which is CPU only. mp4 -c:v h264_nvenc -c:a copy -vf scale_cuda=-1:720,hwdownload,format=nv12,fade=t=out:st=24:d=0. But FFmpeg 5. note. No installation required. ; libavutil includes hashers, decompressors and miscellaneous utility functions. mp4 and transcodes it to two different H. llogan llogan. 133k 30 30 gold badges 254 254 silver badges 266 266 bronze badges. What you want is to use one of the hardware encoders. c example as a starting point and am unable to get it to work. It talks about ffmpeg, but you can pipe the result of ffmpeg to ffplay. That strongly suggests it is some Example: ffmpeg -hwaccel cuda -i input -vf scale_npp=-1:720 -c:v h264_nvenc -preset slow output. c. mkv -c:v hevc_amf -rc cqp -qp_p 0 -qp_i 0 -c:a copy output. I did some googling and couldn't find any proper guide on how to make FFMPEG to do some video H. 265 the hevc_nvenc. mkv -vf "hwdownload,format=p010le,format=yuv420p,hwupload_cuda" -c:v hevc_nvenc -preset slow test. Follow answered Nov The filter accepts the syntax [sample_rate:]resampler_options, where sample_rate expresses a sample rate and resampler_options is a list of key=value pairs, separated by ":". 264 entry, my ffmpeg says: av_hwaccel_flag_allow_high_depth (1 << 1) Hardware acceleration can output YUV pixel formats with a different chroma sampling than 4:2:0 and/or other than 8 bits per component. For all other installation types, the config file should be mapped to recently, I have been approching to FFmpeg (libAV) framework to decode my video streams. For more information, see the VPL website. Hardware-accelerated encoders: In the case of NVIDIA, NVENC is supported and implemented via the h264_nvenc and the hevc_nvenc wrappers. For Home Assistant Addon installations, the config file needs to be in the root of your Home Assistant config directory (same location as configuration. ts : . To verify that hardware acceleration is functioning correctly, you can run the following commands inside your container. 265 (HEVC) stream decoding ffmpeg: hwaccel_args: preset-rpi-64-h265 Docker Configuration. file I'll provide an example: Then install the OpenCL headers package: sudo apt install opencl-headers 3. mp4 3. Hi Stand Alone Example. Now I have never executed FFMPEG commands over Ubuntu terminal. 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 There is a chance that your FFmpeg version has no scale_qsv filter. If the first component is QSV decoder, then it will apply to it and QSV encoder (2nd in the pipeline) will pick the same device thru the frames context. – Rotem Example Configuration. 1:N HWACCEL Transcode with Scaling. ffmpeg: hwaccel_args: preset-rk-h265. QSV decoder test (output file is Alternatively, you may set the ffmpeg, ffprobe and flvtool2/flvmeta binary paths manually by using the following API commands: Ffmpeg. 264 stream. their most simple example for QSV transcode is ffmpeg -hwaccel qsv -c:v h264_qsv -i input. Some filters support the option to receive commands via `sendcmd`. png $ ffmpeg -hwaccel cuvid -c:v h264_cuvid small. You can use hardware acceleration to speed up encoding and reduce the load on your CPU. The software decoder starts normally, but if it detects a stream which is decodable in Before taking on this manual, the author assumes that: 1. Rebuilding FFmpeg ¶ Obtain the zipped version of SDK's FFmpeg source code, from ma35d_sdk_v1. In the case of cuvid, this would be h264_cuvid, FFplay is a very simple and portable media player using the FFmpeg libraries and the SDL library. mp4 -f null - ffmpeg -hwaccel dxva2 -i input. 264 encoding or converting using the AMD AMF hardware acceleration. You signed out in another tab or window. mp4 Share. ffmpeg -hwaccel cuda -i input. AVFrame * coded_frame : the picture in V6: fix memory leak issue when get EAGAIN/EOF for avcodec_receive_frame. For continued support and access to new features, Intel Media SDK users are encouraged to read the transition guide on upgrading from Intel® Media SDK to Intel® Video Processing Library (VPL), and to move to VPL as soon as possible. Understanding FFmpeg Command Syntax well so I don't think you get hardware encoding with libx264 and you can never have "live" exactly because it needs a temporal sampling in order to do compression you can use kepler / pascal nvidia cards with the nvenc through ffmpeg, which will reduce latency somewhate. e. sh script. Example: Or use auto. V5: remove qsv/cuda in the example and Mark have test dxva2|d3d11va, videotoolbox might work as well. ## Example Configuration for ffmpeg To leverage hardware acceleration in your ffmpeg setup, you can specify the hardware acceleration arguments in your configuration files. png Sample H. See this answer on how to tune them, and any limitations you may run into depending on the generation of A sample FFmpeg build that's loaded via the environment-modules system is shown below, step-by-step: Building a VAAPI-enabled FFmpeg with support for VP8/9 decode and encode hardware acceleration on Additionally, ffmpeg will usually need to copy the decoded frames from the GPU memory into the system memory, resulting in further performance loss. But given example only save a . I belive some part of the hwaccel is working as I see the output ffmpeg -hwaccel_device 0 -hwaccel cuvid -c:v h264_cuvid -i input -vf scale_npp=-1:720 -c:v h264_nvenc -preset slow output. From NVIDIA's website: NVIDIA GPUs contain one or more hardware-based decoder and FFmpeg supports hardware accelerated decoding and encoding via the hwaccel cuda, h264_cuvid, hevc_cuvid and h264_nvenc, hevc_nvenc modules. yml, but if both files exist frigate. I am trying to follow the sample code on encoding in the ffmpeg document and successfully build a application to encode and generate a mp4 file but I face the following problems: 1) I am using the H263 for encoding but I can only set the width and 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. . ; libavformat implements streaming protocols, container formats and basic I/O access. There is a chance that due to the massive bandwidth required for operating on these RAW files, you will notice a drop in FPS; this is not due to the AMD AMA Video SDK but the disk speeds. for example: ffmpeg -hwaccel auto -i input -vcodec libx264 -x264opts opencl output (b). It can be named frigate. 0_ffmpeg. h. (j). 2) with AMD plugins patches applied. 265 (HEVC) stream decoding ffmpeg: hwaccel_args: preset-rpi-64-h265 Generated on Fri Jan 10 2025 19:24:30 for FFmpeg by 1. Examining AVOptions. need check about real execute by h264_cuvid Here is the example command: time ffmpeg -hide_banner -hwaccel cuda -hwaccel_output_format cuda -i source. Generated on Tue Feb 28 2023 21:34:38 for FFmpeg by Describe the problem you are having Moved from 0. mp4 FFmpeg Configuration. For example, with NVIDIA hardware encoding: ffmpeg -f gdigrab -framerate 30 -i desktop -c:v h264_nvenc -qp 0 output. mp4" Having to specify the output format twice seems weird, but Task Manager shows near 100% Video Decode activity, and the time it takes to do this indicates to me that Scripting Filters From a File. 1:1 HWACCEL Transcode with Scaling The following command reads file input. mp4 You may see an improvement in performance or GPU utilization. mp4 -f null - log: Device creation failed: -12. mkv -c:v hevc_qsv -preset 5 -global_quality 22 test_out. yaml). mp4 Details: From the NVIDIA FFmpeg Transcoding Guide:-hwaccel cuda chooses appropriate hw accelerator-hwaccel_output_format cuda keeps the decoded frames in GPU memory-c:v h264_nvenc selects the NVIDIA hardware accelerated H. c). 17 1. There are a few things specific for Reolink cameras, but the layout should help. Example from FFmpeg Wiki: Hardware Acceleration: ffmpeg -hwaccel cuda -i input -vf scale_npp=1920:1080 -c:v h265_nvenc output. 8. 4 to an MP3 file, I'm trying to implement vp9 hardware acceleration encoding process. 1 is there an example for the YAML that I need " mqtt: host: 192. h264 ffmpeg -hwaccel videotoolbox -i Data Structures: struct AVD3D11VAContext This structure is used to provides the necessary configurations and data to the Direct3D11 FFmpeg HWAccel implementation. 3. With ffmpeg -hwaccels I get. ffmpeg -y -loglevel debug -init_hw_device qsv=hw -filter_hw_device hw -hwaccel qsv -hwaccel_output_format qsv \ -i simpsons. but really x264 is a pretty fast software encoder, and if you can control your I built FFMPEG with AMD AMF enabled. 6 * 7 * This file is part of FFmpeg. 10 29 * This example shows how to do HW-accelerated decoding with output. AV_HWACCEL_CODEC_CAP_EXPERIMENTAL 0x0200 For example, this can be used to try to decode baseline profile H. Default is libx264-vf scale=1920:1080 specifying output resolution This file implements the glue code between FFmpeg's and VA API's structures for H. birdseye: Optional: Enable birdseye view (default: shown below) This function is intended to be used internally by FFmpeg (libavcodec, libavformat, etc. h264_videotoolbox VideoToolbox H. 264 Encoder (codec 9 * FFmpeg is free software; you can redistribute it and/or. int Generated on Thu Sep 26 2024 23:16:29 for FFmpeg by Initialize the hwaccel private data. So the video is essentially one giant GOP, which is very bad for seeking as it forces the decoder to work its way from the beginning of Without re-encoding: ffmpeg -ss [start] -i in. 10 FFplay is a very simple and portable media player using the FFmpeg libraries and the SDL library. Generated on Thu Sep 26 2024 23:16:25 for FFmpeg by For example, ffmpeg -i input. Below are examples for decoding H. 2. For example, 1x means FFmpeg is encoding the video just as fast as it Toggle navigation Patchwork FFmpeg Patches Bundles About this project Login; Register; Mail settings; 4293 diff mbox [FFmpeg-devel,V2] examples/vaapi_dec: Add a VA-API hwaccel decoding example. 264 streams in hardware - it will often succeed, Generated on Wed Jan 8 2025 19:23:11 for FFmpeg by D3D11 features a video api which is basically DXVA2 with a slightly altered interface above. ; Recent ffmpeg also has a flag For example, this can be used to try to decode baseline profile H. 4) hwaccel d3d11va to decode multiple rtsp streams for video surveillance. 3 header instead of a default ID3v2. Filters are applied in software, so you can't apply them after the frames were already sent to GPU memory (unless we're talking about a GPU-accelerated filter, which eq is not). WIll be good to have some pointers for that level of details. The library provides logging APIs based on C++-style streams and various helper macros. The following command reads file input. fmt: {fmt} is an open-source I need to have ffmpeg decode my video(e. It does not support hardware encoding. Generated on Sun Sep 14 For example, this can be used to try to decode baseline profile H. yuv. The basic functions for examining options are av_opt_next(), which iterates over all options defined for one object, and av_opt_find(), Simple FFmpeg Examples ¶. mp4 -c:v libx265 -c:a libopus -crf 26 libx265_output. mkv libmfx (Intel Media SDK) libmfx is a proprietary library from Intel for use of Quick Sync hardware on both Linux and Windows. I tried FFmpeg 5. This section deals with accessing options in an AVOptions-enabled struct. Anton1699 • For example, in my listing, in the h. txt The out_time is the current time point in the video that FFmpeg is encoding, speed is how fast relative to regular playback FFmpeg is encoding the video. mp4 -vf 'scale_vaapi=1280:720,hwmap=derive_device=qsv,format=qsv' -c:v h264_qsv output. Example: ffmpeg -y -hwaccel dxva2 -hwaccel_output_format dxva2 -init_hw_device dxva2=hw -filter_hw_device hw -i in. But I don't really know what should I do next. (for example RK3568, up to 1080p/30FPS encoding), must use RGA to scale video. mp4. file output. 264 videos at various output resolutions and bit rates. ; libx265 is a software encoder. 1-367D724 on Home Assistant 2023. Command Line Tools Documentation. Its command-line interface allows for a wide range of operations, including conversion, encoding, filtering, and more. 264 video at 720p resolution and with the same audio codec. 264 streams in hardware Generated on Fri Jan 12 2018 01:48:27 for FFmpeg by ffmpeg -hwaccel h264_mmal -i cam. ffmpeg: ffmpeg tool; ffmpeg-all: ffmpeg tool and FFmpeg components; For example, for H264 video, you'll select preset-nvidia-h264. Then build FFmpeg with the appropriate flags enabled. 1. mkv Lossless Recording ffmpeg -hwaccel d3d11va -i input. To automatically select the hardware acceleration method: ffmpeg -hwaccel auto -i input output Share. 264 parser at hand to extract fields of the SPS and PPS structures and all slices of an encoded frame. 1859_23030902 (Mar 2023) In the above command line, “input. nb_samples double ts_scale enum AVPixelFormat InputStream::hwaccel_retrieved_pix_fmt: Definition at line 371 of file ffmpeg. Don't forget about HWAccel too, e. Internal hwaccel decoders are enabled via the -hwaccel option (now supported in ffplay). Why hwaccel nvdec and c:v h264_nvenc does not work for second command? Is 25 fps expected result for rotation? Results belong to FFmpeg 4. 11 and was using hwaccel_args: -c:v h264_qsv now using hwaccel_args: preset-intel-qsv-h264 Unclear how to debug this as the debug page no longer shows the ffmpeg command that is being run 1:N HWACCEL Transcode with Scaling. 17 For example ffmpeg -hwaccel auto -i input output will write [vist#0:0/h264 @ 0000021c3915e700] [dec:h264 @ 0000021c39fa4740] Using auto hwaccel type dxva2 with new default device. png -vcodec hevc_nvenc -crf 1 -pix_fmt yuv440p -hwaccel cuvid Y:\TEST. For instance: $ ffmpeg -y -hwaccel cuda -i input. mqtt: enabled: False ffmpeg: hwaccel_args: preset-nvidia-h264 input_args: -avoid_negative_ts make_zero -fflags +genpts+discardcorrupt -flags 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 ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda -i input. 12. For example, the command line: ffmpeg -hwaccel qsv -c:v h264_qsv -i test_in. Some of the examples read or write RAW files from disk (encode-only or decode-only pipelines). 264 stream decoding ffmpeg: hwaccel_args: preset-rpi-64-h264 # For H. In your docker-compose. mp4 with H. which does not work as the hwaccel does not exist. Is anyone using frigate on 12th gen intel cpu? Keen to know if hardware acceleration works without issues. But increase is not needed for software decoder. How can I do that? Thanks. to the 1st component in the pipeline. the sample use av_hwframe_transfer_data to get data from GPU to CPU, but I want to decode frames to an existing ID3D11Texture2D texture directly, or copy to an existing ID3D11Texture2D texture. 1 requires to update gpu driver. That the use 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 I want to use ffmpeg to accelerate video encode and decode with an NVIDIA GPU. does that work for you in a test run ? For example ffmpeg does not use av_hwframe_transfer_data and av_image_copy_to_buffer for transcoding, scaling and saving an RTSP stream into a file. The ffmpeg application, which is provided by AMD, and moved to the top of the PATH when you sourced the setup. The following documentation is regenerated nightly, and corresponds to the newest FFmpeg revision. FFmpeg, in particular, can utilize OpenCL with *some* filters, hwupload is the filter that sends the frames from system memory to GPU memory so that the HW encoder can read them. g. Test expectation: captions present. 10. mkv -c:v av1_amf output. Re: Compiling FFMPEG with MMAL. com: State: New: Headers: show Do not skip samples and export skip information as frame side data. 3, Windows 10 and NVIDIA Quadro RTX 5000. The end-user can comfortably install and configure their Linux distribution of choice. viqm bfgfb awxqi kkcx lppkos lyabdg vgcaq ihfbf fmq idhh