Ffmpeg transcode qsv. mp4, without -init_hw .

Ffmpeg transcode qsv ts file captured by over the air antenna on plex server to an output. 2 * Permission is hereby granted, free of charge, to any person obtaining a copy. Lower value represents better quality. c File Reference. 2-1 is known to work with qsv. c:47. For more information, see the VPL website. The software decoder starts normally, but if it detects a stream which is decodable in hardware With hevc_qsv it is not possible to transcode lossless. Previous message (by I also tried with the plugin: Boosh-Transcode Using QSV GPU & FFMPEG and get the same: I've Googled and troubleshooted for hours. dpkg -l | grep jellyfin-ffmpeg **4. 264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (decoders: h264 h264_v4l2m2m h264_qsv ) (encoders: libx264 libx264rgb h264_omx h264_qsv h264_v4l2m2m h264_vaapi ), and the transcoding process shows: [hevc @ 0x561e69691a00] Using auto hwaccel type vaapi with new default device. 2. C:\FFMPEG>ffmpeg -v verbose -c:v h264_qsv -i C:\Users\thx4ever\Downloads\sample_AVC. mp4 -c:v av1_amf -align 1080p output. mp4 Keyframe placement. I think what is happening is that the current invocation of ffmpeg attempts to create a hardware device called qsv (-init_hw_devi @nyanmisaka Hello, I posted a solution to this on the Jellyfin Reddit: Burn-in Subtitle with Intel Quick Sync (QSV), found a solution. Thank you 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. h264_qsv H. Renyu 1 Posted September 7, 2022. an out of the box package-managed way to get a version of the Linux kernel that supports the A380 card and version 6 of ffmpeg with av1_qsv at the same time. You can quickly verify that you have your host system set up correctly by running the following Docker run commands. – Rotem. But you can define -global_quality with values from 1 (almost lossless) to 51 (not suitable to watch) to control the quality. > > Any suggestions how to solve this? You can use vainfo to find I solved it. Here is an example of a qsv transcoding pipeline with decoding/scaling/encoding: ffmpeg -hwaccel qsv -c:v ffmpeg -i input. Now, all tests, are ok, but ffmpeg fails with segmentation fault. Your patch improves it to 3/4th of QSV performance. This iss Media Info of the file Video Title: 4K HEVC HDR Codec: HEVC Profile: Main 10 Level: 153 Resolution: 3840x2160 Aspect ratio: 16:9 Interlaced: No Framerate: 23. Consider an example pipeline that reads an input file with one audio and one video stream, transcodes the video and copies the audio into a single output file. g 'HDR format' info or mastering colors as well. Quick guide on how I got Intel Quick Sync (qsv) for transcoding with Jellyfin using LXC (container). Test expectation: captions present. * Usage: qsv_transcode input_stream codec output_stream initial option 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. 3. Generated on Wed Aug 24 2022 21:32:33 for FFmpeg by Detailed Description. Generated on Thu Sep 26 2024 23:14:43 for FFmpeg by Perform QSV-accelerated H. Don Law Don Law On Mon, 2024-09-02 at 15:29 +0200, Terje J. ( 12700 with UHD Graphics 770 ) Intel has a guid for Building FFmpeg with QSV. Previous message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Next message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Especially in multi-process VA-API encoding, where it's now about same perf as MSDK and FFmpeg QSV. Hey all, I was wondering if there's a list of commands that Intel's QSV-AV1 (Arc GPU) we can use for the advanced options settings. 0, qsv overlay was supported. In tdarr, choose your plugin. Referenced by dynamic_set_parameter() , and main() . Members Online • ffmpeg -hide_banner -encoders|grep qsv V. When using our Docker images, it is already pre-installed. Hanssen wrote: I have not succeeded yet to configure ffmpeg QSV access to an enabled iGPU onboard an Intel Core i7-6700K (Skylake). Another option is to use libx265, but then QSV-accelerated transcode (test. 29 105 * framerate, which is compatible with ffmpeg commandline. AVRational OutputStream::frame_rate: Definition at line 425 of file ffmpeg. I have made a few profile edits but didn’t really need to. dec_enc() Definition at line 38 of file qsv_api. In addition, the service must have permission to use the related video devices. 264 to H. -preset slow: Key here is using the haveagitgat/tdarr_acc:latest imageit has ffmpeg 5. chen at intel. 9. The video is. Previous message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Next message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Terje J. mp4 -c:v h264_qsv out. Intel QSV with h264 stream: If issues occur recommend using vaapi preset instead: preset-intel-qsv-h265: Intel QSV with h265 stream: Use this to transcode to aac audio. 0 Why does every encoded frame's size increase after I had use to set one frame to be key in intel qsv of ffmpeg. For output streams it is set by default to the frequency of the 4 * Permission is hereby granted, free of charge, to any person obtaining a copy. I do have other containers (jellyfin, plex) that use Intel hardware decoding on this same device. c Perform QSV-accelerated transcoding and show to dynamically change encoder's options. For video transcoding to work, FFmpeg must be enabled and installed. Previous message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Next message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + 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. mp4 -vcodec h264_qsv out_qsv. 8 and forward includes Intel® Quick Sync Video accelerated h264_qsv, mpeg2_qsv, and hevc_qsv codecs. mp4, without -init_hw Introducing FFmpeg and QSV. (High Efficiency Video Coding) (decoders: hevc hevc_qsv hevc [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Terje Hanssen terjejhanssen at gmail. Transcode log path: /var/log/jellyfin QSV-accelerated transcode (test. 17 ffmpeg -loglevel trace -protocol_whitelist udp,file,hevc,rtp,crypto -i ~/Videos/60. This is a legacy, > rebuilt workstation with additional, discrete Nvidia GeForce GTX 960 > GPU > on a MSI-Z170-A Pro mobo. So I'm pretty sure its a tdarr/ffmpeg problem. Here,we initialize a VAAPI's HWContext,followed by deriving a qsv device/instance for encoding via hwmap, rather than calling up QSV's HWContext directly. 3 * of this software and associated documentation files (the "Software"), to deal Hardware Transcoding. HW encoding is great, I can transcode from 1080i H264 from 720p H264, using ~0% CPU for the encoding part. The bit-rate will vary as necessary to provide a consistent quality throughout the video. Note: you'll also need to use -2 in the scale not -1. wav -vn -ar 44100 -ac 2 -b:a 192k output. The family of Intel QuickSync Video decoders (VC1, MPEG-2, H. so. Learn how to use FFmpeg to convert H. 3 * of this software and associated documentation files (the "Software"), to deal # Using the format filter (yuv420p) ffmpeg -i in_file -filter:v "format=yuv420p" out_file # Using the 'pix_fmt' option ffmpeg -i in_file -pix_fmt yuv420p out_file [Bonus] there are plenty of pixel formats available to get a list of them run ffmpeg It’s a bit tricky because the complexity of tdarr first time configuration I ended using a plugin called “Boosh-transcode using QSV GPU &FFMPEG”, but that might be the reason that caused it problems until I installed the private intel drivers. Previous message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Next message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Transcode H. h API for programmatic use. Generated on Thu Apr 18 2024 22:43:26 for FFmpeg by 1. Though, decoding+deinterlacing+scaling takes almosy 30% CPU on a Core i7-4790k :/ And from ffmpeg 4. Muxers take encoded data in the form of AVPackets and write it into files or other output bytestreams in the specified container format. It’s community. device selects a FFmpeg doc; examples; Data Structures | Functions | Variables. 1 found [ OK ] vainfo Tdarr_Plugin_ER01_Transcode audio and video with HW (PC and MAC) Transcode Using QSV or VT & FFMPEG. Generated on Fri Feb 10 2023 19:21:08 for FFmpeg by Step 6) If you only have one GPU and use Boosh-Transcode using QSV GPU & FFMPEG do everything as usual, but make sure you set enable_10bit: false. h> qsv_transcode. Hanssen terjejhanssen at gmail. Updating the GPU drivers is worth a shot. 3 ffmpeg version 6 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. Referenced by main(). 976025 Bitrate: 65465 kbps Bit depth: 1 Enable QSV for FFmpeg with directshow input and JPEG image sequence output. Usage: qsv_transcode input_stream codec output_stream initial option { frame_number new_option } e. Generated on Thu Apr 18 2024 22:41:36 for FFmpeg by 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 also dropped to same value, but the drop for QSV transcode PSNR was smaller because it had dropped from the original VA-API PSNR value by 7% already earlier, between these FFmpeg commits: 2021-03-14 1af4885014: avcodec: add a mention about get_encode_buffer in the old encode API doxy 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. Transcode starts and finishes with “The test PASSED” message The test above performs transcode, decoding an H. You can also specify upper-left corner from which x11 grabs image by x and y in cmd, like: ffmpeg -init_hw_device qsv=hw -filter_hw_device hw \ -video_size 1920x1080 -i local_stream -framerate 30 \ -vf hwupload=extra_hw Perform QSV-accelerated H. I'm unsure how you can update that, but I know there are FFmpeg qsv_transcode. In the lavf API this process is represented by the avformat_open_input() function for opening a file, av_read_frame() for reading a single packet and finally avformat_close_input(), Introducing FFmpeg and QSV. How to transcode video stream by changing only the resolution? 3. Hi. 56 when done with vpp_qsv) It would be incredibly helpful if Jellyfin could add a feature in the transcoding settings to input additional FFmpeg parameters or specifically allow for the selection of the QSV device, similar to the VAAPI device input option on the transcode settings page of jellyfin webui. 264 decoding with output frames in the GPU video surfaces, write the decoded frames to an output file. mp4 video: H264 104 kb/s 11. -init_hw_device qsv:hw,child_device=1,child_device_type=d3d11va. Support Community; About; Developer Software Forums. ; F Not yet integrated, but work is being done in this area. Most of that gap is naturally due to #7706 regression, but it was (1/8th, 10-15%) slower than QSV also earlier. So, I grab FFmpeg and try to transcode my video with the following command: ffmpeg -i vid. softworkz 4037 Cant play in Firefox HEVC/X264 files which transcode to AV1 with QSV (same with VAAPI) Enable AV1 transcode Play a HEVC/H264 files Check transcode logs Platform: Linux Operating System: Archlinux Jellyfin Version: 10. Note that Intel example is ffmpeg -hwaccel qsv -c:v h264_qsv -i backgroud_1080. Media SDK's ICQ and LA_ICQ * Perform QSV-accelerated transcoding and show to dynamically change * encoder's options. Here is an example of a qsv transcoding pipeline with decoding/scaling/encoding: ffmpeg -hwaccel qsv -c:v Perform QSV-accelerated H. mp4 ffmpeg version 2. Resize video to same size. Followed the recommendations above. This can be schematically represented as follows qsv. Follow edited Aug 19, 2015 at 23:23. 5 * of this software and associated documentation files (the "Software"), to deal 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 Some presets of FFmpeg args are provided by default to make the configuration easier. 7-static 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. Warning The input On Sun, 2024-09-01 at 10:53 +0200, Terje J. If your source is already aac, use preset If i use sample_multi_transcode it works but with ffmpeg the final output are a green screen, i'm about 2 years with this weird problem that needs to be fixed, i heard that about frame shift when using 10 bit but i dont know how to add this to ffmpeg so i can use ffmpeg for encoding with intel software hevc encoder ffmpeg -hwaccel qsv -c:v The planed step was to build ffmpeg with +qsv to get the support in there. int OutputStream::is_cfr: Yeah I'm having the same problem. AMD / Mesa. Browse . Previous message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Next message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + static int open_input_file (char * filename) static: Examples qsv_transcode. With the solution posted it should work with any of the vaapi transcoding plugins. Also note on: -vf hwupload=extra_hw_frames=64,format=qsv, this ensure that MFX runtime receives supported pixel format. It works very well, but I'd like to do many streams in parallel (ie, launch multiple FFmpeg processes each transcoding different streams) Transcode H. I recall you using Vaapi before this so just want to ensure it's certainly set to QSV. This set of arguments enabled a full QSV hardware transcode pipeline on SUSE Linux with an ffmpeg -i input. Otherwise I'm sure you already know about finding the encoder specific options with ffmpeg -h encoder=hevc_qsv and just fiddling with the parameters and checking PSNR FFMPEG bisection was done and issue started from below commit . For a quicker overview, please see this article. 01 in Ubuntu 20. Test transcode with an accelerated codec such as “-vcodec h264_qsv” on the Cant play in Firefox HEVC/X264 files which transcode to AV1 with QSV (same with VAAPI) Enable AV1 transcode Play a HEVC/H264 files Check transcode logs Platform: Linux Operating System: Archlinux Jellyfin Version: 10. Intel QSV: ffmpeg -hwaccel dxva2 -hwaccel_output_format dxva2_vld -i <video> -c:v h264_qsv -vf hwmap=derive_device=qsv,format=qsv -b:v 2M -y out. Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? 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. 264 -vf vpp_qsv,format=p010le -c:v hevc_qsv -load_plugin hevc_sw -profile:v main10 -preset:v veryslow -g 240 -refs:v 6 -bf:v 3 -flags -cgop -gpb 0 -q:v 18 -vframes 5 -color_primaries bt709 ffmpeg -i input. /* I'm encoding an MPEG2 stream from an HDHomeRun to HEVC/HLS. mkv -ss 0 -t 10 -vcodec h264_qsv -global_quality 10 h264_qsv_encoded. Try: ffmpeg. LS h264 H. And then trying a transcode, it segfaults: $ . com Tue Sep 3 11:52:59 EEST 2024. ( 12700 with UHD Graphics 770 ) Tdarr_Plugin_ER01_Transcode audio and video with HW (PC and MAC) Transcode Using QSV or VT & FFMPEG. com> > > Add qsv_transcode example which Detailed Description. mp4 The result looks just as good as the original to me, and is about 1/4 of the size! Share. 264 8-bit - Any Intel GPU that supports Quick Sync Video (QSV) Transcode HEVC HEVC / H. com Mon Sep 2 16:29:18 EEST 2024. 8 and later editions. We have tried using the static builds. If it's true the transcode will throw errors. mp4" The CRF option sets the encode quality. 4-r3 i can't get QSV enabled and i don't understand why. Set the output video Use ffmpeg -h filter=vpp_qsv for getting the filter documentation (vpp_qsv is working in Windows, but I never tried it in Linux). 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. exe -i "test. (High Efficiency Video Coding) (decoders: hevc hevc_qsv hevc This issue respects the following points: This is a bug, not a question or a configuration issue; Please visit our forum or chat rooms first to troubleshoot with volunteers, before creating a report. Renyu. avi -c:v h264_qsv -crf 10 -r 50 -c:a aac -b:a 192k -ac 2 vid. 264 8-bit - Any Intel GPU that supports Quick Sync static int open_input_file (char * filename) static: Examples qsv_transcode. 17 I may not have done the copy as well as I should have. Generated on Sat Nov 16 2024 19:23:06 for FFmpeg by 1. Referenced by dec_enc(), and dynamic_set_parameter(). 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. My experience with ffmpeg's MFX and OneVPL integrations over the years show consistent success across multiple QSV-capable platforms using a hybrid strategy. By default, AMF AV1's keyframe interval is 250 frames, which is a balanced value for most use cases. 0. It takes me only 15 seconds to transcode this H264 video to HEVC with FFmpeg. The file is mpeg2, should mpeg2_qsv be specified as the decoder since the original file is mpeg2 or does h264_qsv hardware decode mpeg2 filesif not has it been using software instead of hardware decoding when using the following command: int qsv_transcode_init (OutputStream * ost) Definition at line 183 of file ffmpeg_qsv. Internal hwaccel decoders are enabled via the -hwaccel option (now supported in ffplay). 51 being the worst to 0 being the best — lossless. mp4 -c:v h264_qsv /tmp/qsv. I have had no issue with any other file types. Test result: no captions present in the output file Generated on Wed Dec 18 2024 19:23:35 for FFmpeg by 1. All presets can be seen in this file. FFmpeg* 2. dec_enc() I used QSV transcoding for a couple of months now with no issues. Currently I am using the command: ffmpeg -hwaccel qsv -hwaccel_output_format qsv -i "Z://Movies/Toy Story 28 * Usage: qsv_transcode input_stream codec output_stream initial option 29 * { frame_number new_option } 30 * e. Y Working. Using hwmap also allows further Perform QSV-accelerated H. I bumped up the max bitrate multiplier and also added this to the FFMPEG Parms: -max_muxing_queue_size 9999 Test transcode with an accelerated codec such as “-vcodec h264_qsv” on the FFmpeg command line. If using NVENC on an Ubuntu or Debian host, make sure to install the NVIDIA container toolkit on the host. 04 two weeks ago. see the official documentation on these flags for more information ffmpeg transcode test_out: Segmentation fault I have contact the intel sales,they tell me it need path to support ffmpeg qsv!!! Hope can resolve my problem! 0 Kudos Copy link. 54 mb when done with scale_qsv but is now 5. In the ffmpeg ebuild i see in RDPEPEND • SMB only: add your SMB credentials to this file in the following format: • SMB only - Method 1: add the following to your host's /etc/fstab using the Jellyfin UID/GID + 100000 from earlier: • SMB only - Method 2: This will just give full permissions to every user & group. [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Terje J. Definition at line 58 of file qsv_transcode. 8 QSV Decoders. However I'm not sure if HDR metadata are copied from source because Mediainfo report from output doesn't have e. 3, MSS2017ESSR3). Assuming others have experienced the same, would it be possible to bypass QSV for WTV files only, allowing users to still take advantage of QSV acceleration for other formats? 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 Platform Support Intel / i965. 17 Especially in multi-process VA-API encoding, where it's now about same perf as MSDK and FFmpeg QSV. ffmpeg -i in. 4. Previous message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Next message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + [FFmpeg-cvslog] doc/examples/qsv_transcode: Initialize pointer before free Michael Niedermayer git at videolan. We have struggled with this for the better part of today to try to get ffmpeg encoding h264 video with qsv. Add the -preset option if you want to adjust encoding speed. global_quality can be from 1 to 51. mp4 Options Explained-i input file name or file path-c:v libx265 -vtag hvc1 selecting compression. 264 8-bit is still widely used due to its excellent compatibility. Default is libx264-vf scale=1920:1080 specifying output resolution The output of ffmpeg -codecs shows: DEV. Hanssen wrote: > I have not succeeded yet to configure ffmpeg QSV access to an enabled > iGPU onboard an Intel Core i7-6700K (Skylake). A special HW module is used for the encoding side. Referenced by configure_output_video_filter(), do_video_out(), new_video_stream(), transcode_init(), and write_frame(). int vaapi_decode_init Hello asheimo, Thank you for patiently waiting. 264 elementary stream and re-encoding at a different bitrate with lookahead bitrate control. My problem was in LD_LIBRARY_PATH and missing libva. This paper is a detailed step-by-step guide to enabling h264_qsv, mpeg2_qsv, and hevc_qsv hardware accelerated Using FFmpeg with NVIDIA GPU Hardware Acceleration; FFmpeg documentation - filters; FFmpeg documentation - scale_cuda-vf "scale_cuda=-2:480" scales to a 480px height and a width calculated to keep the aspect ratio. Here is my current encode script: I'm using Intel QuickSync to lower CPU loading of real time video transcode with FFmpeg. ffmpeg change resolution by condition. Generated on Thu Sep 26 2024 23:16:01 for FFmpeg by 1. org wrote: > From: Wenbin Chen <wenbin. 265 remains the first choice for storing 4K 10-bit, HDR and Dolby Vision video. (Each new platform supports a superset of the capabilities of the previous platform. mp4 qsv_transcode. This paper is a detailed step-by-step guide to enabling h264_qsv, mpeg2_qsv, and hevc_qsv hardware accelerated codecs in the FFmpeg framework. 265 and type the best command line to re-encode H264 videos to H. skip_frame, which might direct the decoder to drop the frame contained by the packet sent with this function. 99 check the box of Hardware Encoder to activate Intel If it lists qsv, then it does. Works great for me. This ensures that the aspect ratio always conforms to the codec requirements. ts -codec:v mpeg2_qsv qsv. To optimize H. You can create a ffmpeg hardware device with -init_hw_device qsv=qsv:MFX_IMPL_hw and then choose it with -hwaccel qsv -hwaccel_device qsv. h. ; Use with the ffmpeg command-line tool. ffmpeg. ffmpeg -c:v h264_cuvid -i input output Full hardware transcode with NVDEC and NVENC: ffmpeg -hwaccel cuda -hwaccel_output_format cuda -i input -c:v h264_nvenc -preset slow output If ffmpeg was compiled with support for libnpp, it can be used to insert a GPU based scaler into the chain: 10-bit/12-bit HEVC to 8-bit H. See FFmpeg Wiki: Map. mp4 -c:v libx265 -vtag hvc1 -vf scale=1920:1080 -crf 20 -c:a copy output. 1,436 Views Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; You must also supply the appropriate options for your transcode profiles to use the supported hardware, otherwise you'll completely bog down your system (see the transcode. Howto - QSV transcode for Jellyfin with Ubuntu LXC . Suddenly a couple of days ago I couldnt transcode on any client (phone/pc ect. The Mesa VAAPI driver uses the UVD (Unified Video Decoder) and VCE (Video Coding Engine) hardware found in all recent AMD graphics cards and APUs. Your suggested command is how I started but then it complains about needing to open a hardware device. Generated on Thu Apr 18 2024 22:42:49 for FFmpeg by 1. This depends on your hardware and operating system, so we can only give you examples that may need to be changed to work for you. h> #include <libavutil/hwcontext. 106 Step 6) If you only have one GPU and use Boosh-Transcode using QSV GPU & FFMPEG do everything as usual, but make sure you set enable_10bit: false. Probably the less headachey way of doing things and will allow multiple services to transcode acceleration on Linux* systems in FFmpeg* 2. Decoding & Encoding H. su_g_ Beginner ‎01-19-2017 07:24 PM. mp3 Explanation of the used arguments in this example:-i - input file-vn - Disable video, to make sure no video (including album cover image) is included if the source would be a video file-ar - Set the audio sampling frequency. Adjust the -crf value to provide the desired level of quality. c. Hanssen wrote: On 9/2/24 07:01, Wang, Fei W wrote: On Sun, 2024-09-01 at 10:53 +0200, Terje J. HW Accel Transcode Intel Quick Sync Video QSV h264_qsv and CRF Quality. hwaccel_get_buffer. If you transcode with a profile not setup for hardware support, or the rules matcher selects a profile without hardware support, that file will [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Terje Hanssen terjejhanssen at gmail. 17 You must also supply the appropriate options for your transcode profiles to use the supported hardware, otherwise you'll completely bog down your system (see the transcode. Demuxers read a media file and split it into chunks of data (packets). See QuickSync. All Intel GPUs that support QSV can decode and encode it. Referenced by qsv_init(), transcode(), videotoolbox_init(), and videotoolbox_uninit(). You may also try -c:v av1_qsv to check if AV1 I'm using ffmpeg -hwaccel qsv -c:v h264_qsv -i Intro. ; N Possible but not implemented. avi" -c:v libx264 -crf 20 -c:a aac -strict -2 "test. Installation is covered in a separate white paper: Intel® Quick Sync Video and capabilities of Intel® 2 * Permission is hereby granted, free of charge, to any person obtaining a copy. Referenced by qsv_transcode_init(). -init_hw_device qsv=hw initialized mfx session and mapped as available to filters such as hwupload (-filter_hw_device hw). 1, which is what you need in order to properly get Quick Sync (QSV) working. mkv -c:v h264_qsv - Intel® Quick Sync Video technology on Intel® IrisTM Pro Graphics and Intel® HD graphics provides transcode acceleration on Linux* systems in FFmpeg* 2. regular and timely application updates; easy user mappings (PGID, PUID) custom base image with s6 overlay; weekly base OS updates with common layers across the entire LinuxServer. mp4 h264_qsv output_h264. I think SPS/PPS/VPS settings are not set, but I can not be sure. The “-g” option can be used to set the keyframe interval. mpg is the output): ffmpeg -hwaccel qsv -codec:v h264_qsv -i test. mpg . encode_write() Hi, thanks for your help, here is another qsv only log. Performance boost increases with resolution. 264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration) (codec h264 I'm using Intel QuickSync to lower CPU loading of real time video transcode with FFmpeg. It supports a wide range of codecs, formats, and hardware acceleration technologies, including Intel's Quick Sync Video (QSV). 976, like source) -c:v h264 FFmpeg doc; examples; Data Structures | Functions | Variables. ffmpeg-transcode-5b81e6ee-2430-4f9c-8c10-753ba20c0525_1. I'm trying to develop a script to transcode 4K HDR files to a smaller size using 28 * Usage: qsv_transcode input_stream codec output_stream initial option. FFmpeg doc; examples; Data Structures | Functions | Variables. Members Online • yllanos. 9 -strict normal -sws_flags lanczos Options may be set by specifying -option value in the FFmpeg tools, or by setting the value explicitly in the AVCodecContext options or using the libavutil/opt. A special HW I know qsv will fail if this is set wrong. ). Test result: no captions present in the output file Because I need only to lower video bitrate and sometimes transcode DTS/DTS-HD to AC3 320k my ffmpeg code is very simple. mp4 Introduction Intel® Quick Sync Video technology on Intel® Iris™ Graphics and Intel® HD graphics ffmpeg -hwaccel cuda -i input output CUVID. 3 ffmpeg version 6 [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Terje Hanssen terjejhanssen at gmail. I wanted to test VAAPI and I can't use QSV in Linux, because my CPU is Gen 3 (in general I am using Windows 10). Generated on Thu Sep 26 2024 23:14:43 for FFmpeg by On Sun, 2024-09-01 at 10:53 +0200, Terje J. Rookie; 1 15 Author; Posted September 7, 2022. 99 check the box of Hardware Encoder to activate Intel 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 AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags) Generated on Thu Sep 26 2024 23:16:36 for FFmpeg by 1. Assuming others have experienced the same, would it be possible to bypass QSV for WTV files only, allowing users to still take advantage of QSV acceleration for other formats? [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Terje J. See Definition at line 56 of file qsv_transcode. It looks like ffmpeg is looking in its list of devices for a qsv type device and not finding it. it sounds like it might not have been. 27. Generated on Mon Feb 15 2016 15:20:51 for FFmpeg by 1. 264 video codec. FFmpeg is a free and open-source software framework that can record, convert, and stream audio and video. 976, like source) -c:v h264 I've also tried with Tdarr_Plugin_ER01_Transcode audio and video with HW (PC and Mac) Transcode Using QSV or VT & FFMPEG, that works as I can see GPU being used by ffmpeg, but it touches subtitles and audio which I don't want. 04. Create a On Mon, 2024-09-02 at 15:29 +0200, Terje J. you can find detailed information ​here) Quality and performance benchmark: ATS-M: ​hereDG1: ​here qsv_transcode. After double-checking internally, we understand that you are looking to transcode a video using QuickSync, mainly the function "scale_qsv", however; access to the hardware encoder FFmpeg* 2. a. . This enables ICQ mode, which behave similar to the -crf factor, where crf 23 roughly equals the same quality as a global_quality of 25. dec_enc() All my testing so far shows that for whatever reason, ffmpeg fails to transcode all WTV files when QSV is enabled. Using the vpp_qsv method (-vf vpp_qsv=w=640:h=360), does not replicate the problem that appears in scale_qsv at what I believe on some slight expense (the test file was 5. mp4 ffmpeg -i in. Any ideas? Thank you! Docker compose: All my testing so far shows that for whatever reason, ffmpeg fails to transcode all WTV files when QSV is enabled. Detailed Description. 17 1. Improve this answer. ) Changing transcoding method to VAAPI works for now, but I can't seem to understand what changed, no driver changes basically the server PC was not touched. 8. Node runs on Windows 11, I just downloaded Tdarr_Updater, launched that and ran Tdarr_Node. 56 when done with vpp_qsv) Definition at line 422 of file ffmpeg. I see many qsv patches on master branch Generated on Wed Dec 18 2024 19:23:35 for FFmpeg by 1. height, h. 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). 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). encode_write() The LinuxServer. As far as I understand 10bit stuff will stay 10bit but 8bit won't be forced to 10. You can view some options specific to this encoder with ffmpeg -h encoder=h264_videotoolbox, but as they are probably -stats (provides progess status in terminal window) -i infile (source video to transcode) -map 0:0 (specify each stream in the original to map to output) -filter:v fps\=24000/1001 (framerate of 23. But with current stable ffmpeg-4. Without this init failure and you You can view some options specific to this encoder with ffmpeg -h encoder=h264_videotoolbox, but as they are probably -stats (provides progess status in terminal window) -i infile (source video to transcode) -map 0:0 (specify each stream in the original to map to output) -filter:v fps\=24000/1001 (framerate of 23. Correct iHD driver name and path are used by libva 2. com at ffmpeg. ts is the input file, qsv. b92028346c35dad837dd1160930435d88bd838b5 is the first bad commit commit Using FFmpeg with NVIDIA GPU Hardware Acceleration; FFmpeg documentation - filters; FFmpeg documentation - scale_cuda-vf "scale_cuda=-2:480" scales to a 480px height and a width calculated to keep the aspect ratio. 4. I can successfully encode a video using my arc GPU by running: ffmpeg \\ -i [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Terje Hanssen terjejhanssen at gmail. I bought a 12600k yesterday and I can't use it to transcode with QSV. A packet contains one or more encoded frames which belongs to a single elementary stream. For example, in broadcast television applications, it is typically desired to have a comfortable channel Intel® Quick Sync Video technology on Iris® Pro graphics and Intel® HD Graphics provides transcode acceleration on Linux* systems in FFmpeg* 2. If you transcode with a profile not setup for hardware support, or the rules matcher selects a profile without hardware support, that file will Struggling with hardware transcoding using Intel GPU. If i run vainfo i get `# vainfo Trying display: wayland error: XDG_RUNTIME_DIR not set in the environment. mp4 Key: -Not applicable to this API. The links can be found here. Usage: qsv_transcode input_stream codec output_stream initial option { * Perform QSV-accelerated transcoding and show to dynamically change * encoder's options. mkv -map 0 will include all streams (default stream selection only selects 1 stream per type). The scale and unsharp filters are executed on the CPU. g: - qsv_transcode input. 264 by ffmpeg -i input. How to force qsv generate idr when using qsv encoding in ffmpeg. > > Any suggestions how to solve this? You can use vainfo to find @Rotem it is encoding only. Set the output video Generated on Thu Apr 18 2024 22:43:26 for FFmpeg by 1. I'm trying to develop a script to transcode 4K HDR files to a smaller size using Platform Support Intel / i965. If that's fine then the only option left I can think of is ffmpeg. c:49. The problem is that subtitles is a software filter so it is necessary to download the frame from the video card to the system, overlay the subtitles, then upload to video card again. sdp -vcodec rawvideo -f matroska - | ffplay -i - Seems there is some problem of configuring the Intel QSV decoder from the ffmpeg pipeline. chen-at-intel. com Tue Sep 10 15:10:46 EEST 2024. I've setup the node to only The current parameters cause ffmpeg to fail on an Synology 718+ w/Intel J3455 - I will open a bug for this. 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. On newer ffmpeg-6 it seems to enable oneVPL but this seems to be not first choice as to many applications still need ffmpeg in version 4. Definition at line 56 of file qsv_transcode. mp4 "g 60" Check whether your ffmpeg supports QSV with ‘-hwaccels x265 codec Discontinuities in Chroma Blocks Picture Width and Height Shall Be Multiple of 8 Apple ProRes with ffmpeg How Encode/Transcode/Decode HEVC/H. 106 static int open_input_file (char * filename) static: Examples qsv_transcode. mov -vf scale=1920:-2 -vcodec libx264 -crf 20 output. /ffmpeg -i /tmp/246897-fish. mp4. You can test if QSV initializes The default rate control for x264 (FFmpeg's default h264 implementation) is CRF. 1,436 Views Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; 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. device selects a This grab the image from desktop with 1920x1080 width and height and transcode in way which specified in config file. Referenced by get_format() , qsv_init() , and qsv_transcode_init() . Hot Network Questions PSE Advent Calendar 2024 (Day 17): The Sun Will Come Out Tomorrow also dropped to same value, but the drop for QSV transcode PSNR was smaller because it had dropped from the original VA-API PSNR value by 7% already earlier, between these FFmpeg commits: 2021-03-14 1af4885014: avcodec: add a mention about get_encode_buffer in the old encode API doxy Steps on how to create a media delivery container and run a simple transcoding operation for Ubuntu 22. mov -c:v libx264 -preset slow -crf 22 -c:a copy output. I bumped up the max bitrate multiplier and also added this to the FFMPEG Parms: -max_muxing_queue_size 9999 Try to convert a 8bit AVC to 10bit HEVC using Intel HEVC Plugin software encoder. Otherwise I'm sure you already know about finding the encoder specific options with ffmpeg -h encoder=hevc_qsv and just fiddling with the parameters and checking PSNR Maintain Quality of Output. 264 ffmpeg -i input -map 0 -c:v libx264 -crf 18 -vf format=yuv420p -c:a copy output. yml "hevc" and "qsv" samples). h> #include <errno. Examine the output using MediaInfo or VLC (captions are in the Subtitle menu). txt. You should only need to do the init once. Input info: starwars. QSV is a hardware-based video encoding and decoding technology developed by Intel. exe -hide_banner -hwaccels Hardware acceleration methods: cuda dxva2 qsv d3d11va qsv cuvid. encode_write() 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 28 * Usage: qsv_transcode input_stream codec output_stream initial option. This allows bitrate fluctuations to maintain a target quality level. mp4 to transcode a h264 mkv video to hevc mp4. 6 HW encoding is great, I can transcode from 1080i H264 from 720p H264, using ~0% CPU for the encoding part. ffmpeg -loglevel trace -protocol_whitelist udp,file,hevc,rtp,crypto -i ~/Videos/60. 264 decoding with output frames in the GPU video surfaces. 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. The description lists VAAPI which is only nix On Mon, 2022-10-31 at 15:22 +0800, wenbin. qsv_transcode. Usage: qsv_transcode input_stream codec output_stream initial option { To encode HEVC/H. mp4 look_ahead should be 1. 264, HEVC, JPEG/MJPEG, VP8, VP9, AV1, VVC). 265/HEVC in fast speed with no quality loss. ----- Hardware readiness checks: ----- [ OK ] Processor name: Intel(R) Core(TM) i7-6700K CPU @ 4. But av1 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. mp4 -c:v h264_qsv -global_quality 10 -look_ahead 1 out. Perform QSV-accelerated transcoding and show to dynamically change encoder's options. Not the same video of the first one, but it's the most frequent problem I meet. ffmpeg -err_detect ignore_err -hide_banner -loglevel verbose -stats -benchmark -init_hw_device qsv:qsv,child_device_type=qsv ^ -hwaccel qsv -hwaccel_output_format qsv ^ -i "input file" ^ -c:a aac -q:a 1. I watched a few test files and was happy with the results. Reply. Definition: qsv_transcode. Referenced by transcode_init(). By default the h264_qsv codec renders the output video in a very low quality and generates a very small sized file. This is a more complete copy of how I use ffmpeg. In the lavf API this process is represented by the avformat_open_input() function for opening a file, av_read_frame() for reading a single packet and finally avformat_close_input(), ffmpeg transcode test_out: Segmentation fault I have contact the intel sales,they tell me it need path to support ffmpeg qsv!!! Hope can resolve my problem! 0 Kudos Copy link. Definition at line 133 of file qsv_transcode. Previous message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Next message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Let's analyze cmd in more details: with -loglevel debug FFmpeg provides more logs in cmds. These provide a fast time-to-market path to server transcode solutions based on Intel® Xeon® processors with processor graphics. 17 FFmpeg sets the -crf option to 23 by default. io ecosystem to minimise space usage, down time and bandwidth Learn how to use FFmpeg to convert H. The main API functions for muxing are avformat_write_header() for writing the file header, av_write_frame() / av_interleaved_write_frame() for writing the packets and av_write_trailer() for finalizing the file. Tdarr containers support NVENC and VAAPI hardware/GPU accelerated transcoding. Definition at line 211 of file qsv_transcode. To my eye, I couldn't see any changes. I actually built FFmpeg 7. encode_write() Paste ID in Transcode Options. io team brings you another container release featuring:. Can't reproduce it with master branch (commit: 40102a21374096ce0ba05c67c6e7474f176af2d0) on Linux (centos 7. 00GHz ----- OS readiness checks: ----- [ OK ] GPU visible to OS ----- Media Server Studio Install: ----- [ OK ] user is root [ OK ] libva. My docker container is confirmed correctly as I can get HW transcode to work with plex. mp4 ffmpeg -hwaccel The Intel Media SDK project is no longer active. Installation is covered in a separate white paper: Intel® Quick Sync Video and capabilities of Intel® [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Terje Hanssen terjejhanssen at gmail. * Usage: qsv_transcode input_stream codec output_stream initial option This example shows how to do QSV-accelerated H. org Sat May 25 01:56:24 EEST 2024. VA-API is also slower, 2/3rd of QSV performance in single process transcode. You could use this command: ffmpeg -i input. In my case, I want to convert H264 to H265 to save space, so I'm using the plugin FFMPEG VAAPI HEVC Transcode as a starting template. 264 video encoding using FFmpeg and QSV, you can leverage the following command-line options: -c:v libx264: Specifies the H. #include <stdio. In the Plugin Stack, bring up DrDD H265 MKV AC3 audio subtitles [QSV & NVENC] Tdarr_Plugin_bsh1_Boosh_FFMPEG_QSV_HEVC which uses QSV instead and it seems to work a lot better on my CPU. [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Terje Hanssen terjejhanssen at gmail. 264 AVC / H. Referenced by dec_enc(), and main(). Previous message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Next message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags) Because I need only to lower video bitrate and sometimes transcode DTS/DTS-HD to AC3 320k my ffmpeg code is very simple. In order to encode the video in better quality we have to use the global_quality option. Specifically, qsv is used to deinterlace and decode the input video. This -c:v hevc_qsv uses Intel Quick Sync (hardware accelerated) encoder. Previous message (by thread): [FFmpeg-user] init_hw_device qsv for hwaccel on Skylake iGPU + Nvidia GF GPU Next message (by thread): [FFmpeg-user] webm transparency in a movie filter Messages I am using ffmpeg to hardware transcode input. (For example AVCodecContext. ffmpeg -y -loglevel verbose -i 2023-02-04_18-18-48. ADMIN MOD Retaining HDR on a Hybrid QSV encode . ~25 should be Yeah I'm having the same problem. mkv -strict -2 -c:v hevc_qsv -preset veryslow -c:a copy Intro-hevc. Input: I am trying to transcode my HEVC Main 10 mkv file to be h264 using Intel QSV. The 2 in -2 makes sure the width is divisible by 2 - see FFmpeg's scale options: width, w. Generated on Tue Feb 28 2023 21:33:02 for FFmpeg by Definition at line 57 of file qsv_transcode. Internally, this call will copy relevant AVCodecContext fields, which can influence decoding per-packet, and apply them when the packet is actually decoded. Note that ffmpeg will transcode all audio, video, and subtitle streams unless you specify -c copy for them. 17 Migz-Transcode Using Nvidia GPU & FFMPEG Boosh-Transcode using QSV GPU & FFMPEG For QSV I'm using the Boosh plugin above with speed setting on slow, my understanding it is "maintaining" the quality but reducing the files size by around 40%. Installation is covered in a separate white paper: Intel® Quick Sync Video and capabilities of Intel® Supply raw packet data as input to a decoder. answered Oct 23, 2012 at 20:06. 17 Paste ID in Transcode Options. com Mon Sep 2 22:35:27 EEST 2024. int(* InputStream::hwaccel_get_buffer) (AVCodecContext *s, AVFrame *frame, int flags) Definition at line 372 of file ffmpeg. pyvxas kvx cpeu exti vqfdva jumhjtfh fqx ijuv nhoqtm fkto