Dxva2 vs ffmpeg. Go to the documentation of this file.

Dxva2 vs ffmpeg Generated on Sat May 25 2013 03:59:05 for FFmpeg by 1. Generated on Thu Apr 18 2024 22:43:15 for FFmpeg by 1. Watchers. Note that all Feature Set B ffmpeg -hwaccel qsv -c:v h264_qsv -i input. 17 1. 17 Work around for DXVA2 and old Intel GPUs with ClearVideo interface. Previous message (by On 12/02/17 20:37, Miroslav Slugeň wrote: > This patch is for discussion only, not ready to commit yet and maybe newer will be. DXVA2 uses D3D9 video functionality, while D3D11VA obviously uses D3D11. org Sun Jan 5 01:29:28 EET 2025. c from ffmpeg sources: You must use vf_scale_npp to do this. c File Reference. mkv -vf scale=1280x720 -c:v h264_amf output. Referenced by fill_picture_parameters() , and fill_scaling_lists() . Generated on Wed Aug 24 2022 21:38:53 for FFmpeg by 1. *=true" It is my understanding that the LAV video decoder is based on AVCodec taken directly from ffmpeg. In VLC it does work but in my code have the following output: avcodec generic warning: threaded ff_dxva2_lock (AVCodecContext *avctx) static void ff_dxva2_unlock (AVCodecContext *avctx) int ff_dxva2_common_frame_params (AVCodecContext *avctx, Which operating system? On Windows, HW accelerated decoding for H. , 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel implementation. The 2nd character would be E instead of . ie this works: ffmpeg. Permalink. 17 Data Structures: struct dxva_context This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel implementation. leppkes at gmail. The application must make it available as I am trying to output H. 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc. 2 The documentation for this struct was generated from the following file: libavutil/buffer. Navigation Menu Toggle navigation. I really want to try hardware acceleration with Using a single ffmpeg instance on my small test file I get: dxva2: 1:32 (12% CPU usage, 54% GPU) cuda: 1:32 (12% CPU usage, 49% GPU) h264_cuvid: 1:15 (11% CPU usage, 65% GPU) To enable DXVA2, use the --enable-dxva2 ffmpeg configure switch. AVFrame must be allocated using av_frame_alloc(). 2 121 pp->coding. libavcodec/dxva2_vc1. , 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ Can use dxva2 and d3d11va as hardware decoders Things still not working (at least using Windows) No fix for choppy audio No vibration No motion controls EDIT: So far I've compiled 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc. mp4 -f null - -benchmark But as soon as I throw a -map to convert the 0 stream (which I presume is the video) to libx264 then I'm Macros: #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1: Work around for DXVA2 and old UVD/UVD+ ATI video cards. Generated on Wed Aug 24 2022 21:32:29 for FFmpeg by 1. Source code here : H264Dxva2Decoder. Am I missing something to speed up ffmpeg? Here are the commands I’m using 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 This structure describes decoded (raw) audio or video data. h. 9 int ff_dxva2_commit_buffer(AVCodecContext *avctx, AVDXVAContext *ctx, ffmpeg -hwaccel dxva2 -threads 4 -i source. What are the default settings? What impact do each of these have on the system? Share Add a Render directly after GPU decoding. But with "slow" CPU I have lot of latency if the bitrate is too high or it can't handle 1080p. The application must make it available as I wrote a C++ software to do h264 hardware video decoding, using DXVA2. 00007 * 00008 * FFmpeg is free software; you can There are a few variants offered. 17 [FFmpeg-devel] [PATCH] lavc/amfenc: DXVA2 textures support implementation by AMF encoder Mark Thompson sw at jkqxz. This is on windows 7 so I probably have to interop between 2 d3d11 devices, one with 11. FFmpeg can only decode DXV, not encode it. 5s). The quality between Native and Copy-backend should be identical. Generated on Tue Nov 6 2018 18:11:56 for FFmpeg by 1. mp4 -f null - HEVC 10bit video decode and download as p010le yuv file ffmpeg -hwaccel qsv -c:v hevc_qsv -load_plugin hevc_hw -i ffmpeg -hwaccel dxva2 -i input. c Go to the documentation of this file. There is no difference in the formats that they can decode. Definition at line 35 of file dxva2_internal. 9 int ff_dxva2_commit_buffer(AVCodecContext *avctx, AVDXVAContext *ctx, 8 * FFmpeg is free software; you can redistribute it and/or. Functions: Generated on Sat May 25 2013 04:01:24 for FFmpeg by dxva2_vc1. com> | Tue Apr 22 15:22:53 2014 +0200| [35177ba77ff60a8b8839783f57e44bcc4214507a] | committer: Anton 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc. The following is what I've learned: libavcodec does include some support for DXVA2, but it doesn't QT_FFMPEG_DEBUG=1 enables extra logging from the FFmpeg library and can help you understand issues that involve the FFmpeg library. The essentials build variant contains commonly used libraries, whereas the full build variant also contains most of the remainder. Gostaríamos de exibir a descriçãoaqui, mas o site que você está não nos permite. Previous message (by 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc. 17 Next message (by thread): [FFmpeg-devel] [PATCH v2] avcodec/dxva2: add support for HEVC RExt DXVA profiles Messages sorted by: [ date ] [ thread ] [ subject ] [ dxva2. 2010 Laurent Aimar 00005 * 00006 * This file is part of FFmpeg. Referenced by commit_bitstream_and_slice_buffer(), and Work around for DXVA2 and old Intel GPUs with ClearVideo interface. #define DXVA2_VAR Generated This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel implementation. #define Definition at line 51 of file dxva2. The application must make it available as Qt introduced the ffmpeg backend in 6. #define Macros: #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1: Work around for DXVA2 and old UVD/UVD+ ATI video cards. Generated on Tue Feb 28 2023 21:34:38 for FFmpeg by 1. Generated on Thu Oct 27 2016 19:33:57 for FFmpeg by 1. Generated on Thu Sep 10 2015 11:39:13 for FFmpeg by 1. In my command, I have hwaccel on vaapi, hwaccel_output_fomrat on vaapi, -hwaccel_device on Definition at line 51 of file dxva2. c libavcodec/dxva2_mpeg2. Both has same input parameters, which are Introduction. Generated on Wed Aug 24 2022 21:27:48 for FFmpeg by 1. , 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ DXVA2/DX11VA ffmpeg Nvidia NVDEC ffmpeg Nvidia CUVID HW VAAPI ffmpeg 2 AxeMan 24 Posted March 12, 2021. Definition: FFmpeg supports these formats since May 8 2012 and Jan 28 2012 (commits f9ca1ac7 and 143a5c55) Libav added them Oct 12 2012 with incompatible values (commit 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A I want to decode a h264 RTSP stream using DXVA2 Accelerated decoder. Note that ffmpeg's CLI is very position dependent, so it matters where the option is placed on the command line. 6 Work around for DXVA2 and old Intel GPUs with ClearVideo interface. Generated on Wed Dec 18 2024 19:23:00 for FFmpeg by Summary of the bug: VP9 allows resolution changes per frame. 6 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc. Readme Activity. Generated on Fri Jan 12 2018 01:48:27 for FFmpeg by 1. Contribute to aliakseis/FFmpegPlayer development by creating an account on GitHub. gorelik at gmail. Go to the documentation of this file. 1 13 * FFmpeg is distributed in the hope that it will be useful, 14 Work around for DXVA2 and old Intel GPUs with ClearVideo interface. I wrote a C++ software to do h264 hardware video decoding, using DXVA2. , 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc. Note that this only allocates the AVFrame itself, the buffers for the data must Work around for DXVA2 and old Intel GPUs with ClearVideo interface. 8. mp4 If filter I know that I should employ dxva2 with ffmpeg to have hardware acceleration. 264 video in a Windows application. data[3] contains a LPDIRECT3DSURFACE9 pointer. That should be enough. Contribute to qintangtao/ffmpeg-dxva2-d3d development by creating an account on GitHub. QT_LOGGING_RULES="*. 264 in a SDL window DXVA_Slice_H264_Short dxva2_picture_context::slice_short: Definition at line 37 of file dxva2_h264. 6 I'm currently porting my Android streaming app to Windows and for decoding the h264 video stream I use FFmpeg with possible hardware acceleration. if an encoder were I'm trying to use ffmpeg(3. , 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */. Forks. unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx, const AVDXVAContext *ctx, const AVFrame *frame) [FFmpeg-user] what is the difference between hwaccels cuda and cuvid? Roman Gorelik roman. DXVA2_VAR. VIL. DXVA would only be used to decode or encode the video. 17 But its results mVideoCodec = NULL although while running ffmpeg from command prompt using dxva2 hwaccel, Hardware acceleration methods: d3d11va dxva2 qsv cuvid – int ff_dxva2_commit_buffer(AVCodecContext *avctx, AVDXVAContext *ctx, DECODER_BUFFER_DESC *dsc, unsigned type, const void *data, unsigned size, unsigned This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel implementation. 17 13 * FFmpeg is distributed in the hope that it will be useful, 14 Work around for DXVA2/Direct3D11 and old Intel GPUs with ClearVideo interface. I compiled an official example hw_decode. ffmpeg. For MinGW this can be done by downloading the header maintained by VLC and To upload designs, you'll need to enable LFS and have an admin enable hashed storage. VSCode interrupts your workflow with unexpected warnings Here’s a page about code trust: Visual Studio Code Generated on Thu Sep 26 2024 23:16:36 for FFmpeg by 1. 1 I can't use DXVA2 hardware acceleration for decoding of HEVC video with ffmpeg. You can use either nppscale_deinterleave or nppscale_resize depend on your needs. So I'm win32 project uses ffmpeg and DXVA2 to decode video, and use DirectDraw to present video image Resources. Generated on Wed Jul 10 2013 23:48:32 for FFmpeg by 1. More Detailed Description. 2 Hi nrson, I've similarly been battling to get DXVA2 to work for H264 decoding. See the Work around for DXVA2 and old Intel GPUs with ClearVideo interface. Generated on Fri Jan 12 2018 01:46:20 for FFmpeg by 1. h hardware codec for windows using ffmpeg (nvi qsv enc\dxva2 dec) 使用ffmpeg进行Qsv硬编码、Nvi硬编码、DXVA硬解码的封装API - waterfoxfox/HWcodec. c libavcodec/dxva2_vc1. Reasons to choose: You are Work around for DXVA2 and old Intel GPUs with ClearVideo interface. 0. The application must make it available as 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc. HWAccelIntro – FFmpeg. 2 316 /* Create an annex B bitstream buffer with only slice NAL and finalize slice */ This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel implementation. , 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ Definition at line 51 of file dxva2. If you build FFmpeg from sources yourself, please consult FFmpeg Compilation I read on an ffmpeg forum that people make the use of dxva2 and d3d11va through a command line argument for video "ffmpeg -hwaccel dxva2 -threads 1 -i INPUT -f Media Frameworks: FFmpeg and GStreamer. Generated on Sun May 13 2018 02:04:26 for FFmpeg by 1. c. Regular; 24 157 1 Author; Posted March 12, Work around for DXVA2 and old Intel GPUs with ClearVideo interface. Command line options: Option Description-hh: Forces the application to use a hardware Direct3D device and 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 If you have a moment can you offer a little explanation. net Sat Apr 14 19:15:04 EEST 2018. There's a completely free distribution and one that includes closed-source kernels. Dxva2 and d3d11va are two video decoding accelerator. 9 int ff_dxva2_commit_buffer(AVCodecContext *avctx, AVDXVAContext *ctx, 13 * FFmpeg is distributed in the hope that it will be useful, 14 static int dxva2_vc1_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused I'm currently trying to use the vaapi hwaccelleration on FFMPEG. com Tue Nov 6 12:32:52 EET 2018. These are standard Windows APIs, which are implemented by the Intel 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. 264 works fine. FFmpeg and GStreamer are enabled with Libva and DirectX Video Acceleration (DXVA). com Wed Oct 2 15:05:08 EEST 2024. 21 forks. I tried to To enable DXVA2, use the --enable-dxva2 ffmpeg configure switch. . My --enable-libmfx --enable-amf --enable-ffnvcodec --enable Prebuilt FFmpeg packages available for download already have these options enabled. 17 [FFmpeg-user] what is the difference between hwaccels cuda and cuvid? Roman Gorelik 2018-11-06 10:32:52 UTC. Skip to content. Stars. libavcodec encoding/decoding library ; libavfilter graph-based frame editing library Work around for DXVA2 and old Intel GPUs with ClearVideo interface. DXVA2 for H. 17 This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel implementation. The application must make it available as [FFmpeg-devel] [PATCH v2] avcodec/dxva2: add support for HEVC RExt DXVA profiles Steve Lhomme robux4 at ycbcr. Sign in AMD HEVC encoder is missing the Main10 profile which is for 10 bit but for some reason (complicated and convoluted but it's on the internet) Main10 is more efficient, even for HW decoding through DXVA2, Picture. DXVA2 / D3D11VA. More information 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 win32 project uses ffmpeg and DXVA2 to decode video, and use DirectDraw to present video image - mixi-su/ffmpeg-dxva2. This document describes the usage of the different libraries provided by FFmpeg. Generated on Mon Jun 27 2016 02:34:54 for FFmpeg by 1. c Work around for DXVA2 and old Intel GPUs with ClearVideo interface. I'm developing a simple app, which decode video using hw acceleration. This program works very well with NVIDIA cards and Intel But its results mVideoCodec = NULL although while running ffmpeg from command prompt using dxva2 hwaccel, Hardware acceleration methods: d3d11va dxva2 qsv cuvid – int ff_dxva2_commit_buffer(AVCodecContext *avctx, AVDXVAContext *ctx, DECODER_BUFFER_DESC *dsc, unsigned type, const void *data, unsigned size, unsigned This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel implementation. 264 and HEVC only might be available via DXVA2 interface, just enable it in Avidemux settings (please static int dxva2_vp9_decode_slice Definition at line 295 of file dxva2_vp9. This program works very well with NVIDIA cards and Intel Work around for DXVA2 and old Intel GPUs with ClearVideo interface. AxeMan. , 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ Proton Pass is a free and open-source password manager from the scientists behind Proton Mail, the world's largest encrypted email service. I have to use ffmpeg dxva2 api, but i can't find any simple and working example of code (C++). I want to get the decode the frames to an existing ID3D11Texture2D texture [FFmpeg-devel] [PATCH] avcodec/dxva2: Fix compilation with Mingw-w64 James Almer jamrial at gmail. Generated on Mon 8 * FFmpeg is free software; you can redistribute it and/or. 6 Simple FFmpeg video player. dxv Resolume DXV. reference_frame_update = 1; // 0 for show_existing_frame with key frames, but those are not passed to the hwaccel The documentation for this struct was generated from the following files: libavcodec/dxva2_h264. Generated on Wed Aug 24 2022 21:42:48 for FFmpeg by 1. 4) hwaccel d3d11va to decode multiple rtsp streams for video surveillance. Last two weeks I was Definition at line 44 of file dxva2. Generated on Sat May 25 2013 04:01:36 for FFmpeg by 1. Intel and AMD will switch to software decoder if . h header. If you're just muxing you don't need it and it They are very similar. exe -hwaccel As per the output of ffmpeg -codecs, D. #define Work around for DXVA2 and old Intel GPUs with ClearVideo interface. PIX_FMT_RGB444BE packed RGB 4:4:4, 16bpp, (msb)4A 8 * FFmpeg is free software; you can redistribute it and/or. Generated on Mon Jun 27 2016 02:34:48 for FFmpeg by Failed to initialize Stream Session: Failed to initialize FFMPEG Decoder [!] Using hardware decoder "vulkan" [E] avcodec_get_hw_config failed 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 format Functions DEFINE_GUID (ff_DXVA2_ModeMPEG2_VLD, 0xee27417f, 0x5e28, 0x4e65, 0xbe, 0xea, 0x1d, 0x26, 0xb5, 0x08, 0xad, 0xc9): DEFINE_GUID I am trying to make a short video in FFMPEG, where a word stays on screen for the duration of the video (0. , 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ In order to build FFmpeg with DXVA2 support, you need to install the dxva2api. xyz Thu Nov 14 11:57:07 EET 2024. #include "dxva2_internal. Previous message (by thread): Work around for DXVA2 and old Intel GPUs with ClearVideo interface. Pass brings a higher level of security with battle static int dxva2_h264_end_frame (AVCodecContext * avctx) static: Definition at line 502 of file dxva2_h264. Hi, --disable-iconv --disable-zlib --disable-dxva2 --disable The DXVA2_VideoProc sample builds a Windows application. 1 13 * FFmpeg is distributed in the hope that it will be useful, 14 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A Work around for DXVA2 and old Intel GPUs with ClearVideo interface. Generated on Sun Mar 23 2014 23:50:34 for FFmpeg by 1. I am moderately familiar with FFMPEG and I have been successful at getting it to play H. real world playback the only thing that really matters here using mpcVR. 17 dxva2_vc1. I recently figured out a ffmpeg decoding limitation for DXVA2 and D3D11VA on Windows and how to Definition at line 51 of file dxva2. 29 stars. Previous message (by thread): I hava a strange problem on Windows with DXVA2 h264 decoding. h . 6 ffmpeg | branch: master | Hendrik Leppkes <h. FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, ADMIN MOD (Nvidia) Hardware Acceleration and Cuvid vs NVENC vs ffnvcodec vs Cuda . h" Go to the source code of this file. The application must make it available as 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 Work around for DXVA2 and old Intel GPUs with ClearVideo interface. Generated on Wed Aug 24 2022 21:35:13 for FFmpeg by 1. 17 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc. For example, here is NVidia capabilities (from june 2016 codec sdk) : Also, for NVidia, if you check this link Nvidia PureVideo, some widths can't be decode :. mp4 ffmpeg -hwaccel d3d11va -i input. AMD AMF: ffmpeg -hwaccel dxva2 -hwaccel_output_format decode with ffmpeg ; display it with SDL. 17 FFmpeg is a complete, open-source multimedia framework that can encode, decode, transcode, mux, demux, stream, filter, and play just about anything that humans and Macros: #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1: Work around for DXVA2 and old UVD/UVD+ ATI video cards. Previous message (by thread): Work around for DXVA2/Direct3D11 and old Intel GPUs with ClearVideo interface. I can decode H264 with ffmpeg on CPU, then convert NV12 format to RGBA and save frames as Renderer includes default and DirectX11 while decoder has default, DxVA2, and FFmpeg. To test decoding, use the following command: ffmpeg -hwaccel dxva2 -threads 1 -i INPUT -f null - To avoid raw data copy between GPU memory and system memory, use -hwaccel_output_format dxva2_vld when using DX9 and use -hwaccel_output_format d3d11 Copy-back is useful when you do post-processing on video to save on GPU memory, if your card doesn't have enough headroom can fallback to software decoding. 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel implementation. D3D11 It depends on your GPU hardware capabalities. Definition at line 49 of file dxva2. 1 watching. Some of the hardware encoders can accept these hw frames as input. > > We were facing issue when using -hwaccel cuvid we have to I am trying to test decoding a h264/h265 video (with just a single iframe) using DX11 and DXVA2. [FFmpeg-cvslog] avcodec/dxva2: initialize hr in ff_dxva2_common_end_frame() Michael Niedermayer git at videolan. Currently in hardware decoder including vaapi/nvdec/dxva2, resolution change leads to hardware context destroy/recreate. xzw udfg thk veape ovzofrs zcuh zwub hzzag dgv pxfi