Ffmpeg qsv preset. ts-c:v av1_qsv-preset slow-b:v 512 k-bufsize 512 k .

Ffmpeg qsv preset You may also try -c:v av1_qsv to check if AV1 encoding is working. /sample _ multi _ transcode _ drm -i::h264 . exe -c:v h264_qsv -hwaccel qsv -i file:"E:\Movies\魔女宅急便 (1989)\魔女宅急便 (1989) h264-720p AAC-2ch. 0. All presets can be seen in this file. I'm much more familiar with the QSV encoders or libsvtav1. For hardware accelerated decoding, add -hwaccel qsv before the -i. h> #include "libavutil/common. In order to encode the video in better quality we have to use the global_quality option. Referenced by init_video_param(). 8 and forward includes Intel® Quick Sync Video accelerated h264_qsv, mpeg2_qsv, and hevc_qsv codecs. mp4 2 days ago · Options may be set by specifying -option value in the FFmpeg tools, 4. mp4 Mar 4, 2021 · When using ffmpeg to encode to hevc, using the -preset option should set the TargetUsage parameter in ffmpeg accordingly. mp4 hevc_qsv output_hevc. 1. 0, on a headless Ubuntu 22. ts -c:v av1_qsv -preset slow -b:v 512k -bufsize 512k Mar 16, 2024 · -preset 指定编码速度和质量的平衡，可选项有ultrafast、superfast、veryfast、faster、fast、medium、slow、slower、veryslow-sn ffmpeg -h decoder=h264_qsv 查询解码器 h264_qsv 格式的详细信息 二、多个文件时 -i 用法 2. mp4 h264_qsv 是 ffmpeg 中的一个编码器，可以使用Intel QSV(Quick Sync Video)来实现硬件加速 Oct 27, 2017 · 查看ffmpeg中已开启的对h264协议支持的库：ffmpeg-hide_banner -codecs | grep h264查看一下ffmpeg对Inter QSV的参数支持： 使用举例： 通过ffmpeg-h encoder=h264 Jun 15, 2022 · --preset 的参数主要调节编码速度和质量的平衡，有ultrafast（转码速度最快，视频往往也最模糊）、superfast、veryfast、 faster 、fast、medium、slow、slower、veryslow Mar 11, 2023 · 本文介绍了如何使用FFmpeg结合Intel的Quick Sync Video (QSV)技术进行硬件编解码，包括启用QSV编解码的编译选项、查看支持的编解码器、参数设置以及使用示例。 同时，文章提到了Intel QSV对H264和H265的支持情 It is highly recommended to use hwaccel presets in the config. c0pper opened this issue Dec 29, 2024 · 2 comments v:0 av1_qsv -preset veryfast -b:v 4004524 -maxrate 4004524 -bufsize 8009048 -profile:v:0 main -level 53 -g:v:0 72 -keyint_min:v:0 72 -vf \"setparams=color_primaries=bt709:color Jul 23, 2023 · 本文详细介绍了FFmpeg的预设编码参数preset，包括其定义、作用、取值范围和枚举值。preset用于控制视频转码的速度与质量平衡，如veryfast、medium、veryslow等模式。 通过实例展示了不同模式下转码速度和视频质量的差异，并通过PSNR对比验证了preset May 8, 2023 · When I set ffmpeg hardware acceleration like so: ffmpeg: # hardware acceleration hwaccel_args: preset-vaapi # enable audio output_args: record: preset-record-generic-audio-aac No image appears on t Skip to content. The preset determines compression options and efficiency and therefore affects encoding speed and size. With svt-av1, you can pass in the parameters in ffmpeg using the "-svtav1-params" command-line option, for example: NVR with realtime local object detection for IP cameras - blakeblackshear/frigate Jan 20, 2016 · The Intel Media SDK project is no longer active. My main issue with the VAAPI scaling preset is that it does not seem to actually upload to hardware before changing framerate (I detect in 4K 8fps from main stream). exe2，QSV2FLV. Y Working. mp4 This example uses AAC audio at 128 kBit/s. mp4 -vcodec h264_qsv out_qsv. b92028346c35dad837dd1160930435d88bd838b5 is the first bad commit commit Mar 29, 2024 · Some presets of FFmpeg args are provided by default to make the configuration easier. 基本库安装VA API相关库驱动安装Libva：intel-vaapi-driver：libva-utils：检测安装的成果下面开始通过vainfo命令验证显卡支持情况：接下来要验证一下对vaapi编解码调用：然后是编译ffmpeg总结 目的 最近有学习下ffmpeg，以前正好在搞qsv Aug 21, 2017 · Above mentioned command: "ffmpeg -y -i test_file -init_hw_device qsv:hw -c:v h264_qsv -preset veryfast -profile:v baseline -keyint_min 24 -g 48 -c:a aac -strict -2 -movflags faststart -b:v 3400k output. Related answers. For example, here's the output of ffmpeg -h encoder=libx265: Jan 21, 2016 · Unlike h264_qsv, which has a range of preset options to consider, all mpeg2_qsv presets execute as TU1/slow. 怎么查看核显是否支持QSV技术？百度搜索CPU型号，进入设备技术参数页面，下面是笔者机器CPU参数页面，看到下图中红线框的内容说明，CPU支持QSV技术。2. Performance boost increases with resolution. 264 Streams ffmpeg: hwaccel_args: preset-intel-qsv-h264 H. Now, all tests, are ok, but ffmpeg fails with segmentation fault. To install FFmpeg with support for libvpx-vp9, look at the Compilation Guides and compile FFmpeg with the --enable-libvpx option. Oct 9, 2023 · ffmpeg -hwaccel cuvid -i input. mp4" Oct 16, 2024 · QSV格式转换MP4工具有哪些？FFmpeg支持大部分的视频格式，包括较为少见的QSV 视频格式，其允许用户自定义输入命令，进行定制化视频格式转换，但要求用户会使用命令操作，学习难度较大。方法三：通过Any Video Converter将QSV转MP4 Jan 8, 2024 · libvpx-vp9 is the VP9 video encoder for WebM, an open, royalty-free media file format. mkv -ss 0 -t 10 -vcodec h264_qsv -global_quality 10 h264_qsv_encoded. #include <stdint. Updating the GPU drivers is worth a shot. . 2k次，点赞24次，收藏29次。分享FFmpeg一些常用的命令_vcodec FFmpeg ffmpeg -h decoder=h264_qsv 查询解码器 h264_qsv 格式的详细信息 二、常用命令 查看支持的硬件 ffmpeg -hwaccels 如果是nvidia的显卡并安装的对应驱动，也安装了 Mar 4, 2025 · For users with Intel processors from the 10th generation and above, Quicksync Video (QSV) is another option if VAAPI does not meet your needs. I am trying to run it with jrottenberg/ffmpeg docker image: docker run --volume=C:\myfiles:/myfiles -w Dec 29, 2024 · FFmpeg Exits with Code 234 During HEVC Playback with Hardware Acceleration Enabled #13296. ffmpeg官网发布的windows版本是 Oct 7, 2020 · FFmpeg QSV Build FFmpeg QSV; RTMP streaming with FFmpeg QSV; FFmpeg QSV Multi GPU Selection on Linux; GStreamer MSDK Build GStreamer MSDK; Docker Running on GPU under docker; Usage guides Intel media stack on Ubuntu; Performance monitoring and debug; Building Media SDK Build Media SDK on Ubuntu; Build Media SDK on CentOS; Build Feb 19, 2024 · -c:v hevc_qsv uses Intel Quick Sync (hardware accelerated) encoder. preset: Definition at line 111 of file qsvenc. Use icq_quality to 文章浏览阅读1. h264 -hw -la This provides a quick smoke test for a range of components used in FFmpeg. 265 Streams ffmpeg: hwaccel_args: preset-intel-qsv-h265 Preset Overview This collection of samples demonstrates best practices to achieve optimal video quality and performance on Intel GPUs for content delivery networks. 00GHz ----- OS readiness checks: ----- [ OK ] GPU visible to OS ----- Media Server Studio Install: ----- [ OK ] user is root [ OK ] libva. 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 Mar 2, 2025 · Explore the technical aspects of using preset-intel-qsv-h264 with Frigate for efficient video processing. webm Aug 24, 2022 · Macro Definition Documentation QSV_HAVE_EXT_VP9_TILES QSV_HAVE_EXT_VP9_TILES Mar 7, 2025 · ffmpeg: hwaccel_args: preset-intel-qsv-h265 Testing Hardware Acceleration. 04 server, 6. build ffmpeg. These presets not only simplify the configuration by replacing lengthy arguments but also provide Frigate with insights into the available hardware, enabling further optimizations. 4w次，点赞7次，收藏40次。主要AVOptions公有AVOptions-preset主要用来调节编码速度和质量的平衡，虽然libx264和h264_nvenc都有此参数，但是该参数的可选项却不完全相同：preset是通过设置一系列编码参数来实现调节编码速度和 Oct 3, 2023 · The Intel Media SDK project is no longer active. ffmpeg. 0, has had enough time to mature and be optimized enough to be declared as stable. Apr 16, 2023 · I have a working application that uses ffmpeg with the H264 QSV encoder, to enable a faster render of the files on my Intel computer. mp4 这样，FFmpeg将自动根据系统的CPU核心数来动态调整线程数，以获得更好的性能和效率。 Oct 28, 2024 · Key: -Not applicable to this API. When not using QSV encode (QSV decode only): When graphic memory is used, QSV decode will be fast, but sending back frame data from graphics memory to system memory is very slow. exe -init_hw_device qsv=hw -filter_hw_device hw -f rawvideo -pix_fmt yuv420p -s:v 1920x1080 -i input. For more information, see the VPL website. h"#include "libavutil/hwcontext. \video\test\chun1. The more important highlights of the release are that the VVC decoder, merged as experimental in version 7. mkv 转码 1. This parameter determines a level shift during audio reproduction that sets the average volume of the dialogue to a preset level. These examples are also an introduction to the capabilities and parameters of the SDK. Note that Sep 27, 2024 · FFmpeg 实用命令 FFmpeg的官方文档简洁有力，但它的排版逻辑是技术文档而不是工具书或问答，因此可能并不是一个好的参阅选择。 本文将以实际用例为主。毕竟照搬 FFmpeg 的文档实在没有什么意义。不过例子是由浅入深的，如果读者没有任何的 FFmpeg Feb 26, 2025 · ffmpeg: hwaccel_args: preset-intel-qsv-h265 Hwaccel Presets. mp4 -c:v hevc_qsv --preset fast -b:v 2000k -movflags +faststart out_hevc. To verify that hardware acceleration is functioning correctly, you can run the following commands inside your container. h265 Note: HEVC encoding rate of 1080p on Oct 12, 2023 · The Intel Media SDK project is no longer active. mp4 -vf 'format=qsv,hwupload=extra_hw_frames=64' \ -c:v h264_qsv \ -bf 3 -b:v 15M -maxrate:v 15M -bufsize:v 2M -r:v 30 -c:a copy -f mp4 trolled. Browse . Closed 5 tasks done. Dec 21, 2023 · 文章浏览阅读2. This is particularly beneficial Jul 1, 2023 · Good Day, I am hoping someone could help me figure out the ffmpeg command to use Intel QuickSync Video for encoding files. Quote . mp4 -c:v h264_nvenc -preset slow -tune hq -rc constqp -crf 18 -c:a copy -threads auto output. My problem was in LD_LIBRARY_PATH and missing libva. preset-intel-qsv-h264 works as it should, since it's a >10th gen CPU. unit = "preset" }, \ Apr 18, 2024 · Choose a preset. 04 (altough I’m not sure which combination of steps did the trick, and I ended up having to re-install my desktop packages and nvidia drivers in the process). 8 QSV Decoders. 3 MB，编码格式是H. Contribute to stmwiz/ffmpeg_qsv_cuda development by creating an account on GitHub. 1X 使用平均编码模式 ffmpeg -i 1. AVDictionary* QSVEncContext::qsv_params: Definition at line 321 of file qsvenc. ts -c:v av1_qsv -preset slow -b:v 512k -bufsize 512k Jul 22, 2022 · @Rotem it is encoding only. I'm trying to set up my Nest Doorbell using Frigate installed on LXC docker inside a Proxmox host. ffmpeg -y -loglevel verbose -i 2023-02-04_18-18-48. The Intel Xeon Silver 4214 CPU, doesn't have an integrated GPU so the the encoding is performed in Nov 13, 2023 · I am having a hard time enabling qsv hw acceleration on latest ffmpeg 6. ts -c:v av1_qsv -preset slow -b:v 512k -bufsize 512k -maxrate 1024k -c:a libopus -vbr off -ac 2 -b:a 48k -f Matroska output. I am about 5 hours into this and have unfortunately made very little progress. mkv 更好的压缩效果示例： ffmpeg -i input -c:v libx264 -preset veryslow -qp 0 output. To effectively configure Intel Quick Sync Video (QSV) for H. ffmpeg -i input -c:v libx265 -crf 26 -preset fast -c:a aac -b:a 128k output. /30_298frame_352x288_mobile. 1X hevc_qsv 编码速度为 1. This uses the native FFmpeg AAC encoder, but under AAC you will find info May 1, 2016 · 文章浏览阅读1w次。本文介绍了作者在项目中使用ffmpeg结合Intel的qsv技术进行H264视频编码的历程，从遇到困难到找到解决办法。通过ffmpeg命令行工具，加入特定参数如"-look_ahead 0"成功实现硬件加速，解决了编码过程中的问题。博客旨在记录  · The documentation for av1_qsv on the ffmpeg docs absolutely sucks. mp4 -b:v 4000k -c:v h264_qsv-preset fast -c:a copy -y -stats 2. exe -y -hwaccel qsv -i pipe:0 -vf "hwdownload,format=nv12,vpp_qsv=framerate=60,scale_qsv=w=1920:height=1080" -c:v h264_qsv -preset veryfast -global_quality 35 -look_ahead 0 -b:v 9000k -maxrate 12000k Jul 29, 2021 · ffmpeg -hide_banner -v verbose -hwaccel qsv -c:v h264_qsv -i [INPUT] -c:v hevc_qsv -load_plugin hevc_sw -pix_fmt p010le -profile:v main10 -preset:v veryslow -gpb 0 -g 240 -refs:v 4 [OUTPUT]. 264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)]: General 我正在尝试在Windows 10上使用ffmpeg来编码VP9视频，并使用vp9_qsv（Intel Quick Sync Video硬件支持）。之前我成功地使用libvpx-vp9编码了VP9视频，How to encoding VP9 video using ffmpeg and vp9_qsv? Hardware Acceleration. h . zhuqingliang commented Oct 31, 2019. 1 found [ OK ] vainfo Jan 11, 2018 · 20 * Foundation, Inc. ts-c:v av1_qsv-preset slow-b:v 512 k-bufsize 512 k Dec 12, 2024 · ffmpeg -i input -c:v libx264 -preset slow -crf 22 -c:a copy output. Perhaps some ffmpeg -init_hw_device qsv=hw -filter_hw_device hw -v verbose -f rawvideo -video_size 1920×1080 -pix_fmt yuv420p -i test420. Generated on Wed Mar 12 2025 19:23:58 for FFmpeg by May 19, 2024 · that worked, thank you! is it any more efficient to do the aac conversion in the gortc config, versus doing it only via the ffmpeg output args: preset-record-generic-audio-aac i had used go2rtc on this camera because i was doing two connections (one for detect and one for record). #define QSV_HAVE_BREF_TYPE QSV_VERSION_ATLEAST (1, 8) Oct 30, 2019 · zhuqingliang changed the title Can I replace "preset" with "global_quality" Can I replace "preset" with "global_quality" in ffmpeg-qsv Oct 30, 2019. Summary of the bug: Tried to burn dvdsub subtitles with this command ffmpeg. Check out our demo, recommended command lines an Mar 9, 2024 · Seems like the default behavior of the QuickSync hevc_qsv encoder (or maybe ffmpeg as a whole) regarding gop_size have changed. Version custom fork but synced with latest dev Apr 22, 2023 · Also running 12th gen. in that case, go2rtc saves me a connection. As #133 discuss. 1 Sep 11, 2023 · Variation 3: Using scale_qsv and removed -pix_fmt yuv420p. mp4 -vf hwupload=extra_hw_frames=64,format=qsv -c:v vp9_qsv -c:a copy output. It only has information about some of the codecs. 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 3 days ago · The format option may be needed for raw input files. The options they have listed 100% do not work. These presets not only replace the longer args, but they also give Frigate hints of what hardware is available May 13, 2018 · #define qsv_have_max_slice_size qsv_version_atleast(1, 9) Definition at line 41 of file qsvenc. mkv 提示：无损的视频文件一般来说都非常大，不是基于ffmpeg的播放器可能不能解码播放。所以，如果兼容性和文件大小 Sep 24, 2023 · 使用FFmpeg进行硬件编码可以显著提高视频编码的性能，尤其是在处理高分辨率视频时。硬件编码利用GPU或其他专用硬件（如Intel QSV、NVIDIA NVENC、AMD AMF等）来加速编码过程。硬件编码的基本流程与软件编码类似，但需要额外设置硬件设备上下文和硬件帧上下 Jan 10, 2023 · Today the av1_qsv encoder supports encoding 10-bit HDR video in the AV1 Main profile, however there does not appear to be any way to provide HDR10 mastering display metadata to the encoded content. I know this because using hwaccel_args: -c:v h264_qsv instead of the preset works fine on my system. edgetpu device: usb ffmpeg: hwaccel_args: preset-intel-qsv-h265 cameras: example_cam: ffmpeg: . mp4 Introduction Intel® Quick Sync Video technology on Intel® Iris™ Graphics and Intel® HD graphics Jan 5, 2023 · Describe the problem you are having Moved from 0. ffmpeg -i in. Internal hwaccel decoders are enabled via the -hwaccel option (now supported in ffplay). This paper is a detailed step-by-step guide to enabling h264_qsv, mpeg2_qsv, and hevc_qsv hardware Jan 21, 2016 · Unlike h264_qsv, which has a range of preset options to consider, all mpeg2_qsv presets execute as TU1/slow. hanaluluelle. 0. FFmpeg 7. I'm trying to use the hardware acceleration option preset-intel-qsv-h264 but it doesn't seem to work (returns a lot of errors and not showing the footage). a. 5k次。1. libvpx-vp9 can save about 20–50% bitrate compared to libx264 (the default H. 12. Some types of hardware acceleration are detected and used automatically, but you may need to update your configuration to enable hardware accelerated decoding in ffmpeg. View Profile From ffmpeg perspective QSV H. ts -filter_complex "[i:256]deinterlace_qsv,scale_qsv=720:576[out]" -map [out] -map i:257 -c:0 Feb 26, 2019 · 文章浏览阅读3. On ffmpeg 6. Describe the problem you are having after updating to latest dev, the qsv h264 preset now errors. Nov 7, 2023 · 使用FFmpeg的hevc_qsv编码器进行HDR视频编码需要一些步骤。首先，需要安装有支持Quick Sync Video技术的Intel集成显卡的计算机。然后，需要构建一个支持hevc_qsv编码器的FFmpeg版本。在编码过程中，可以根据需要调整各种参数，以获得最佳的视频质量 Feb 1, 2017 · Edit: I noticed they suggest QuickSync preset balanced. The scale and unsharp filters are executed on the CPU. mp4" All is fine up to this point, Jan 8, 2017 · these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several Jan 8, 2017 · it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf default minimum maximum flags name is the option keep it simple and lowercase description are in without and describe what they for example set the foo of the bar offset is the offset of the field in your see the OFFSET() macro 5 days ago · qsv_transcode input. exe可以直接把QSV格式文件转为FLV视频格式文件3，QSV2FLV. FFMPEG bisection was done and issue started from below commit . mkv -c:v h264_qsv - Jan 6, 2021 · 本文介绍了如何在C++中利用FFmpeg的VPP_QSV插件进行硬件加速滤镜的实现，详细阐述了从ffmpeg命令行到C++代码的转换过程。 关键步骤包括在显存中分配framebuffer， Jun 10, 2023 · After installing the packages we can now encode videos using intel quick sync technology in ffmpeg. # Set desired preset, values vary by encoder, SVT-AV1 default for ab-av1 is 8 PRESET="4" && \ # Film grain synthesis level FGRN="4" && \ # Additional mapping, note this will be ordered AFTER all other video, audio, sub streams Feb 6, 2023 · , but on my system, the Intel iGPU is actually /dev/dri/renderD129. This Sep 17, 2023 · 为了提高处理效率，我们可以使用Intel的Quick Sync Video（QSV）技术来优化ffmpeg的命令行参数，实现最佳性能。 QSV是Intel集成显卡上的硬件加速视频编码和解码技 Apr 23, 2019 · I am running this command: ffmpeg -init_hw_device qsv=hw -filter_hw_device -f rawvideo -pix_fmt yuv420p -s:v 2560x1440 -i normal-desktop-use-1440p. 264。 命令行参数-crf Nov 13, 2023 · I am having a hard time enabling qsv hw acceleration on latest ffmpeg 6. TimeCodeHandler -c copy -copy_unknown -c:v hevc_qsv -global_quality 18 -preset slow -vf Dec 9, 2020 · ffmpeg. Oct 27, 2016 · Referenced by ff_qsv_enc_init(), init_video_param(), and qsv_init_opaque_alloc(). Copy link Contributor Author. exe可以将QSV格式文件转为MP4视频格式文件4，软件使用： 软件 Oct 10, 2023 · ffmpeg -i input -c:v libx264 -preset ultrafast -qp 0 output. Community; About Community; Private Forums v h264_qsv -i input. 1 "Péter". mkv -b:v 3500K -bufsize 6000K -maxrate 5000K -vcodec hevc_qsv -preset slow -pix_fmt p010le -profile:v main10 2. ; Use with the ffmpeg command-line tool. From my experience/use case, switching to a recent ffmpeg and running QSV is as of now better than running the stock ffmpeg with VAAPI preset. Mar 5, 2025 · ffmpeg: hwaccel_args: preset-intel-qsv-h265 By carefully selecting the appropriate hwaccel preset, you can significantly enhance the performance of video processing tasks in Frigate, ensuring efficient use of your hardware resources. I solved it. Bernix Last edited by Bernix; 20th Nov 2017 at 09:23. /content/test _ stream. #define QSV_HAVE_BREF_TYPE QSV_VERSION_ATLEAST (1, 8) Dec 17, 2023 · When I set the cameras to H265, preset-intel-qsv-h265 does not work, only preset-vaapi d Describe the problem you are having I have an Intel NUC with i5-1135G7 inside. , 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Jun 27, 2017 · Intel Corporation – April 2017 4 $ . The audio To encode HEVC/H. Nov 1, 2023 · I am having a hard time enabling qsv hw acceleration on latest ffmpeg 6. To get started, you'll need to make Apr 18, 2024 · Intel® Quick Sync Video technology on Iris® Pro graphics and Intel® HD Graphics provides transcode acceleration on Linux* systems in FFmpeg* 2. Utilizing hwaccel presets in your configuration is highly advisable. h> #include <sys/types. /H264e Dec 5, 2019 · 1，通过爱奇艺播放器下载的视频文件格式均为QSV格式，如果转换的话需要转换工具：QSV2FLV. The goal is to Jan 8, 2017 · these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several Sep 10, 2015 · static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet) 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 May 5, 2023 · I'm just migrating Frigate over and one thing I cannot get going is the Intel QSV h265 preset - "preset-intel-qsv-h265". h> #include <mfxvideo. #define QSV_HAVE_BREF_TYPE QSV_VERSION_ATLEAST (1, 8) Dec 29, 2023 · Hey there, I recently got an Intel arc a380 graphics card for AV1 encoding and I’ve had some success getting it running on Xubuntu 22. The software decoder starts normally, but if it detects a stream which is decodable in hardware Jan 8, 2017 · 59 { "veryfast", NULL, 0, AV_OPT_TYPE_CONST, { . build env as above lists 2. I already have a newer version of ffmpeg, it already has all of the codecs and filters built in, I am able to process videos using the QSV enhanced codecs and filters. int QSVEncContext::avbr_accuracy: Generated on Thu Oct 27 2016 19:34:01 for FFmpeg by Jan 5, 2022 · build ffmpeg. ; N Possible but not implemented. 1, if not specified, it defaults to 65535 which results in unseekable encodes (single I frame / IDR frame). Hi, I found a solution to this problem: Use initialization of D3D11 in the command line. I tried preset-intel-qsv-h264 as well as setting the environment variable in docker-compose LIBVA_DRIVER_NAME=i965, Sep 21, 2016 · 在不明显损失画质的前提下，看看使用FFmpeg能够帮到多少忙。用iPhone拍了一个1920 x 1080的视频，33秒，46. 8 and later editions. 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. exe -i input. i64 = MFX_TARGETUSAGE_BEST_SPEED }, INT_MIN, INT_MAX, VE, . Aug 2, 2021 · Once again, it says ABSOLUTELY NOTHING about vpp_qsv or any other filter. Any help please? Apr 11, 2024 · 目录目的查找资料新发现1. 5. The default is medium. 8 and forward. If you don't believe me, look at it yourself. yuv -an -vf hwupload=extra_hw_frames=64,format=qsv -c:v h264_qsv -framerate 30 -b:v 200k -profile:v main -preset 4 -look_ahead 1 -look_ahead_depth 56 -y . The default command of: Jan 8, 2017 · int QSVEncContext::preset: Definition at line 216 of file qsvenc. ; F Not yet integrated, but work is being done in this area. h. Therefore, when you only use QSV decode and pass frame data to other apps, graphics memory will not Dec 12, 2019 · 引言 ffmpeg是一个视频处理领域的“瑞士军刀”，在很多应用中都会用到，这里就不详细介绍它的使用啦，有需要的可以参考其官方文档和大量网上的资料。这里着重介绍一下qsv这个东东，qsv的全称是Quick Sync Video Acceleratio，是Intel提供的一个对数字视频通用解决方案（其实是对其芯片——集成显卡 Oct 27, 2016 · #define qsv_have_max_slice_size qsv_version_atleast(1, 9) Definition at line 41 of file qsvenc. Frigate config file Jan 4, 2016 · Test transcode with an accelerated codec such as “-vcodec h264_qsv” on the FFmpeg command line. mp4 5 wniming OP 65 天前 @wnpllrzodiac 你这条命令管用，转换后的视频码率 2mbit/s 左右，大小 177MB ，看不出画质损失 6 ntedshen 65 天前 1 码率先拉个 May 29, 2023 · 文章浏览阅读2. v h264_qsv-i input. h File Reference. mp4 -c:v vp9_qsv -preset veryslow -low_power 0 -b:v 800K -c:a copy output. Feb 24, 2024 · 该编码器支持广泛的速度-效率折中，并能在许多CPU核心上相当好地扩展。要启用支持，需要使用 --enable-libsvtav1 来构建FFmpeg。关于在你的特定FFmpeg构建中可用的选项，参见 ffmpeg -help encoder=libsvtav1。另请参见FFmpeg文档、上游编码器用户指南及 Sep 17, 2023 · 因此，我们可以根据具体情况进行调整和优化。此外，我们还可以使用其他的ffmpeg命令行参数，如-crf、-preset等来进一步优化视频质量和性能。 总之，通过使用ffmpeg qsv技术，我们可以利用Intel集成显卡上的硬件加速器来提高视频处理性能。 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 Mar 7, 2025 · News September 30th, 2024, FFmpeg 7. ----- Hardware readiness checks: ----- [ OK ] Processor name: Intel(R) Core(TM) i7-6700K CPU @ 4. These commands should show less than 50% CPU usage in top, and around 80% CPU usage without the -c:v h264_v4l2m2m option. As expected with mpeg2, large bitrate increases are required to match even the lowest range of h264 quality. v h264_qsv -i input. so. you can find detailed information ​here) Quality and performance benchmark: ATS-M: ​hereDG1: ​here See more Jan 21, 2016 · FFmpeg* 2. This works correctly with the h264_qsv Feb 19, 2024 · By using FFmpeg with QSV, you can offload the video encoding process to your Intel ARC video card, resulting in faster compression times. mkv Jan 8, 2017 · { brc_only", "skip_frame metadata indicates the number of missed frames before the current frame", \ Feb 28, 2023 · qsvenc. The Non-monotonous DTS in output stream appears repeatedly and the output file plays with lots of stutter due to the incorrect ordering/timing of frames. 1 "Péter", a new major release, is now available!A full list of changes can be found in the release changelog. exe -init_hw_device d3d11va=qsv:MFX_IMPL_hw_any -hwaccel qsv -filter_hw_device qsv -c:v h264_qsv -i file. If you are encoding a set of videos that are similar, apply the same settings to all the videos: this will ensure that they will all have similar Jan 13, 2025 · 简单的速度比较 一段影片，i7 8750H hevc 编码速度为 0. The coding efficiency graph below shows that mpeg2_qsv bitrate must be increased by ~60 percent to match h264_qsv TU7/veryfast. The program’s operation then consists of input data chunks flowing from the sources down the pipes towards the sinks, while being transformed by the components they encounter along the way. This Nov 7, 2023 · 使用FFmpeg的hevc_qsv编码器进行HDR视频编码需要一些步骤。 首先，需要安装有支持Quick Sync Video技术的Intel集成显卡的计算机。 然后，需要构建一个支持hevc_qsv Apr 23, 2019 · Another example, showing the use of the h264_qsv encoder: ffmpeg -y -loglevel debug -init_hw_device qsv=hw -filter_hw_device hw -hwaccel qsv -hwaccel_output_format qsv \ -i simpsons. The family of Intel QuickSync Video decoders (VC1, MPEG-2, H. #define QSV_HAVE_BREF_TYPE QSV_VERSION_ATLEAST (1, 8) Jan 3, 2025 · ffmpeg -i in_h264. Your suggested command is how I started but then it complains about needing to open a hardware device. vaapi presets still works normally. mp4 Mar 11, 2023 · 本文介绍了如何使用FFmpeg结合Intel的Quick Sync Video (QSV) 技术进行硬件编解码，包括启用QSV编解码的编译选项、查看支持的编解码器、参数设置以及使用示例。同时，文章提到了Intel QSV对H264和H265的支持情况，并提供了处理编码错误的示例 Mar 2, 2025 · ffmpeg: hwaccel_args: preset-intel-qsv-h265 Step 3: Configure hardware acceleration (recommended) Once your camera configuration is operational, it's essential to set up hardware acceleration to reduce CPU usage during video stream decoding. 264 looks like this: Code: Encoder h264_qsv [H. 5 kernel, Intel ARC 770. By default the h264_qsv codec renders the output video in a very low quality and generates a very small sized file. 264 -o::h264 out. "preset-intel-qsv-h264" works fine but of course only on the camera that supports it. 264 streams, it Jan 4, 2016 · Intel® Quick Sync Video technology on Intel® IrisTM Graphics and Intel® HD graphics provides transcode acceleration on Linux* systems in FFmpeg* 2. I. Feb 15, 2016 · #define qsv_have_max_slice_size qsv_version_atleast(1, 9) Definition at line 41 of file qsvenc. 3 Detailed description. I am fairly sure my command as posted is the right approach because it works for h264_qsv and for hevc_qsv, which are family members of vp9_qsv and have the same interface. Removing the -qsv_device option from the preset should allow ffmpeg to correctly select the Intel iGPU for QSV. 264 encoder), while retaining the same visual quality. 20th Nov 2017 09:40 #5. hevc I tryed to contact ffmpeg developers but they always said that have no problem and its working with hardware encoding but i want to use Intel HEVC Jan 3, 2025 · This might belong better in the off-topic ffmpeg megathread that TDP and I resurrect on occasion, but there are a TON of x265 params that you can set with ffmpeg, so playing with some of those might be the answer. Mar 31, 2024 · When using QSV encode: d3d11 which can be used with dGPU is used. mp4 -aspect 16:9 -vf 'hwupload=extra_hw_frames=64,format=qsv,scale_qsv=w=1920:h=1080' -c:v h264_qsv Mar 24, 2024 · Describe the problem you are having. 6k次，点赞2次，收藏3次。本文详细介绍了如何使用ffplay播放RTSP流，无缓冲播放，以及如何通过ffmpeg进行视频流推送到RTSP服务器，包括不同编码器和硬件加速选项，如H264 NVENC、Intel QSV等。涵盖了V4L2、USB Camera流 3 days ago · $ ffmpeg -i input -c:v libx264 -preset ultrafast -qp 0 -c:a copy output Intel QuickSync (QSV) Intel® Quick Sync Video uses media processing capabilities of an Intel GPU to decode and encode fast, enabling the processor to complete other tasks and improving system responsiveness. Frigate Ffmpeg Settings Guide. 1 多个视频文件写入到 txt 文本里 Sep 24, 2023 · QSV借助硬件编码器和解码器，大大提高了视频处理效率，减少了CPU的负载，加速了整个流程。 要使用QSV加速FFmpeg的视频处理性能，首先需要确保你的计算机上集成了Intel处理器和相应的集显。然后，需进行一些配置和参数调整。 首先，需要检查FFmpeg Jan 8, 2017 · it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf default minimum maximum flags name is the option keep it simple and lowercase description are in without and describe what they for example set the foo of the bar offset is the offset of the field in your see the OFFSET() macro Nov 13, 2023 · I am having a hard time enabling qsv hw acceleration on latest ffmpeg 6. exe依赖ffmpeg. ffmpeg -hwaccel qsv -init_hw_device qsv=hw -filter_hw_device hw -v verbose -f rawvideo -video_size 352x288 -pix_fmt nv12 -i . EDIT: Based on Mokubai's suggestion I now get this: ffmpeg. All we need to do is to encode using the h264_qsv codec. h"#include I'm getting amazing results with FFmpeg and DXVA, except for deinterlacing. 264。 考虑到H. Feb 14, 2022 · Why does FFmpeg with QSV not have time to encode video despite the fact that there are still free processor resources? Log level: 48 Command line: ffmpeg -init_hw_device "qsv=hw" -filter_hw_device hw -f dshow -i "video=USB Video:audio=USB Digital Audio" -vf "hwupload=extra_hw_frames=64,format=qsv" -c:v h264_qsv -preset veryfast "out. Example (based on the initial command described above): ffmpeg. mkv 设定 -b:v Sep 27, 2023 · I am having a hard time enabling qsv hw acceleration on latest ffmpeg 6. ts -c:v av1_qsv -preset slow -b:v 512k -bufsize 512k Apr 18, 2024 · Intel® Quick Sync Video technology on Iris® Pro graphics and Intel® HD Graphics provides transcode acceleration on Linux* systems in FFmpeg* 2. webm. mkv 到 2. It is highly recommended to use hwaccel presets in the config. I successfully compiled oneVPL, oneVPL-gpu and Intel MediaSDK, but I keep getting errors like "No VA display found for device". Jan 12, 2018 · #define qsv_have_max_slice_size qsv_version_atleast(1, 9) Definition at line 41 of file qsvenc. 0-66881EB. 264, HEVC, JPEG/MJPEG, VP8, VP9, AV1, VVC). #define QSV_HAVE_BREF_TYPE QSV_VERSION_ATLEAST (1, 8) 对于从libx264的-crf替换，可能是h264_nvenc的-cq或-qp。-crf选择恒定质量模式的质量。-cq设置VBR速率控制中的目标质量级别（0到51，0表示自动）。-qp常量量化参数速率控制方法（从-1到51）（默认为-1）。最快的硬件加速编码方法： ffmpeg -hwaccel cuvid -c:v Jan 8, 2017 · { brc_only", "skip_frame metadata indicates the number of missed frames before the current frame", \ Nov 13, 2023 · I am having a hard time enabling qsv hw acceleration on latest ffmpeg 6. i have i7-7700T. QSV requires specific settings based on the video encoding type: H. ffmpeg builds a transcoding pipeline out of the components listed below. mkv Note that in this example the audio stream of the input file is simply stream copied over to the output and not re-encoded. (Each new platform supports a superset of the capabilities of the previous platform. It is highly recommended to use a GPU for hardware acceleration in Frigate. mp4 "g 60 async_depth 1" 100 "g 120" (initialize codec with gop_size 60 and change it to 120 after 100 frames) * Permission is hereby granted, free of charge, to any person obtaining a copy Sep 14, 2024 · 前言 在数字媒体处理领域，ffmpeg是一款非常强大的工具，它可以用来进行媒体流的重新编码、设置码率、设置帧速率等操作。ffmpeg的功能强大且复杂，但是一旦掌握了其基本的使用方法，就能够灵活地处理各种媒体文件，满足各种需求。 Nov 6, 2018 · #define qsv_have_max_slice_size qsv_version_atleast(1, 9) Definition at line 41 of file qsvenc. These provide a fast time-to-market path to server Nov 11, 2022 · 首先通过命令 ffmpeg -hwaccels 查看所支持的硬件加速方法，如果你是在 Windows 平台并且使用的是我所提到的那两个版本，那么结果应该和下图相同，Linux 下的版本可能会略有不同。 通过加上参数 -hwaccel 可以指定硬 Dec 24, 2024 · ffmpeg -i 1. I've plenty of interlaced 50i samples that I would like to convert to a silky smooth 50p but all I am getting is jerky 25p deinterlacing v h264_qsv -q:v 25 -preset slower ^ -vf hwmap=derive_device=qsv,vpp_qsv=async_depth=4:deinterlace=advanced ^ -y "output. I can successfully encode a video using my arc GPU by running: ffmpeg \\ -i Jan 8, 2017 · these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several When encoding with the new QSV AV1 encoder, the output timestamps are incorrect unless -bf 0 is explicitly specified. Version. yuv -c:v hevc_qsv -load_plugin hevc_hw -preset veryfast output. Mar 2, 2025 · ffmpeg: hwaccel_args: preset-intel-qsv-h265 Step 3: Configure hardware acceleration (recommended) Once your camera configuration is operational, it's essential to set up hardware acceleration to reduce CPU usage during video stream decoding. mp4 Jan 6, 2021 · 文章浏览阅读2k次，点赞4次，收藏11次。本文介绍了如何在C++中利用FFmpeg的VPP_QSV插件进行硬件加速滤镜的实现，详细阐述了从ffmpeg命令行到C++代码的转换过程。关键步骤包括在显存中分配framebuffer，正确初 Jun 22, 2024 · QSV very slow 预设 需修改算法加修改的参数质量是超过 ICQ very slow算法 及软编码 X265 slow 的 。参数在 uhd 770, dg1 试过 。a380 默认编码为固定管线 特定参数 不知道 在 它上面 管用不 ，你可以 试下 -map 0:v -c:v Jun 10, 2023 · Maintain Quality of Output. exe和ffmpeg. Refer to the hardware acceleration config reference for examples tailored to your hardware. 264目前尚是主流的视频格式，为了播放的兼容性，我们在使用FFmpeg转码时同样选择H. mkv" -map_metadata -1 -map_chapters -1 -threads 0 -map 0:0 -map 0:1 -codec:v:0 h264_qsv -preset 7 -look_ahead 0 -b:v 3073050 -maxrate 3073050 -bufsize 6146100 -profile:v high -level 4. These presets not only replace the longer args, but they also give Frigate hints of what hardware is available and allows Frigate to Jan 3, 2025 · 随便给个 preset 就行。ffmpeg -i in_h264. rxmm eqgw uptjx berk ywrjicbh dek pew whz cqctqo mnlhx ssg dlkh tljvr ejitu ygn