Re: [FFmpeg-user] MPEG 'broken_link' flag -- How do I set it?

On 24/03/2024 15:48, Mark Filipak wrote: I cut at the end of an open GOP. When I did that, FFmpeg did not set the MPEG 'broken_link' flag to '1'. The frame following the cut has to be flagged: 'closed_gop' = '0' because it's an open GOP, also, and 'broken_link' = '1'. How do I do that? I

Re: [FFmpeg-user] vaapi crop and video size filters

On 20/01/2021 03:06, owen s wrote: with software libx264 using crop filter crop=width:heigh:x:y, i could crop around a specific point. using h264_vaapi and -vf crop=width:height doesn't control the crop location. also with libx264 -video_size=widthxheight worked, but with h264_vaapi, the video

Re: [FFmpeg-user] vaapi_h264 encoding very low bitrate

On 19/01/2021 16:07, owen s wrote: I am running this command with ffmpeg -y -loglevel debug \ -vaapi_device /dev/dri/renderD128 \ -loop 1 -r 1 -i ./image.jpg -pix_fmt vaapi_vld \ -b:v 18000k -minrate 18000k \ -vf 'format=nv12|vaapi,hwupload,scale_vaapi=w=1280:h=720' \ -rc_mode 3 \ -r 30 -g 60 \

Re: [FFmpeg-user] Converting H.264 High L5.0 to H.264 High L5.1

On 19/01/2021 14:47, alfonso santimone wrote: Hi all, how can i convert a H.264 High L5.0 .mov video to a H.264 High L5.1 or L4.0 .mov video without loosing to much quality? I've tried... ffmpeg -i input.mov -c:v libx264 -profile:v high -level:v 4.0 -c:a copy output.mov but from a 02:46

Re: [FFmpeg-user] Archlinux update breaks kmsgrab: Failed to get plane resources: Permission denied

On 06/02/2020 06:11, Kai Hendry wrote: > Hi there, > > For sometime I've been happily using kmsgrab to make screencasts on my > Archlinux Xorg desktop. > > https://github.com/kaihendry/recordmydesktop2.0/blob/9825a44d886318d78463c0a602681c0c7931cf83/x11capture#L71 > > But then it broke after a

Re: [FFmpeg-user] kmsgrab on non primary card, libva/hwmap advice?

On 30/01/2020 11:00, test wrote: > Hi All. Thanks in advance for any assistance provided. > > I've been trying to get kmsgrab to work on my second rx570. > Aim is to record multiple framebuffers on both cards. Both cards are > maxed in terms of CRTC's, so switching all to one card isn't an >

Re: [FFmpeg-user] Stereoscopic hwaccel

On 17/09/2019 17:33, JackDesBwa wrote: > Hi, > > I do stereoscopic (3d) photography for a few years and I just start to > experiment on stereoscopic videos. > The filter_complex argument of ffmpeg allows me to do the editing I have in > mind more precisely and less painfully than I was able to do

Re: [FFmpeg-user] Ffmpeg compilation issues

On 27/10/18 17:24, Ronak wrote: > Hi all, > > I'm trying to build the latest HEAD version of Ffmpeg on Linux on the > following platform. > > Linux 4.9.124-0.1.ac.198.71.329.metal1.x86_64 #1 SMP Thu Aug 30 20:39:05 UTC > 2018 x86_64 x86_64 x86_64 GNU/Linux > > But, I'm getting compilation

Re: [FFmpeg-user] kmsgrab on Intel 8th generation aka h/w accelerated screen capture

On 25/06/18 10:42, Moritz Barsnick wrote: > On Mon, Jun 25, 2018 at 09:10:29 +0800, Kai Hendry wrote: >> However since kmsgrab requires CAP_SYS_ADMIN as it points out to its >> friendly documentation >> https://www.ffmpeg.org/ffmpeg-devices.html#kmsgrab I believe I need to >> run it with `sudo`. >

Re: [FFmpeg-user] VAAPI encoding error

On 18/06/18 21:32, Victor Helmholtz wrote: > Hi, > > I am trying to encode raw yuv file using VAAPI hardware acceleration on a > machine with i7-6700 CPU running Debian 9 “Stretch” but I am getting error “A > hardware frames reference is required to associate the encoding device.”. I > have

Re: [FFmpeg-user] vaapi: Impossible to convert between the formats

On 17/06/18 21:30, Carl Eugen Hoyos wrote: > 2018-06-17 22:00 GMT+02:00, Mark Thompson : > >> Intel devices do not support MPEG-4 part 2 at all. If you are using >> the Mesa driver on an AMD device, some MPEG-4 part 2 streams >> may be supported if you set

Re: [FFmpeg-user] Green line with vaapi scaling

On 13/06/18 21:00, André Hänsel wrote: >> Can you retest with git head? >> >> Build FFmpeg from source and retest. > > I don't think I can do that easily, but I found a static build on the FFmpeg > website. It's supposed to support VAAPI: > > # ./ffmpeg -hwaccels > > ffmpeg version

Re: [FFmpeg-user] Green line with vaapi scaling

On 13/06/18 19:22, André Hänsel wrote: > When I scale with scale_vaapi, it results in a green line at the bottom of > the image, see attachment. > > Command line: > ffmpeg -hwaccel vaapi -vaapi_device /dev/dri/renderD128 > -hwaccel_output_format vaapi -i bbb.mp4 -vf >

Re: [FFmpeg-user] vaapi: Impossible to convert between the formats

On 13/06/18 11:29, André Hänsel wrote: > I'm trying to transcode an MPEG4 avi to MP4 with VAAPI, but I'm getting an > error: > > Impossible to convert between the formats supported by the filter > 'Parsed_null_0' and the filter 'auto_scaler_0' > Error reinitializing filters! > Failed to inject

Re: [FFmpeg-user] h264 pic_init_qp_minus26 out of range

is probably a reasonable strategy. - Mark > -Message d'origine- > De : ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] De la part de Mark > Thompson > Envoyé : jeudi 24 mai 2018 12:22 > À : ffmpeg-user@ffmpeg.org > Objet : Re: [FFmpeg-user] h264 pic_init_qp_minus26 out o

Re: [FFmpeg-user] h264 pic_init_qp_minus26 out of range

On 24/05/18 10:46, Phillipe Laterrade wrote: > Hello, > > > > I'm experiencing a problem when transcoding to h264 : > > The pic_init_qp_minus26 parameter is out of range (-28,-30,-31..) on some > files but not on the whole transcoded files. The range of pic_init_qp_minus26 is [-26 - 6 *

Re: [FFmpeg-user] Unable to build ffmpeg-4.0 on fedora 20 release

On 27/04/18 02:28, JD wrote: > On 04/26/2018 06:56 PM, Kieran O Leary wrote: >> On Fri, 27 Apr 2018, 01:29 JD, wrote: >> >>> I would like to send the make output file to someone >>> who might want to look at all the warnings (deprecated calls), and errors. >>> Would someone

Re: [FFmpeg-user] nvenc on GT1030

On 23/03/18 21:37, Piergiorgio Sartor wrote: > Hi all, > > I've recently got a Nvidia GT1030 graphic card, > which should be Pascal generation, supporting > HEVC encoding. > > The system is Fedora 27, up to date, with > official Nvidia driver and CUDA libraries form > rpmfusion repository. >

Re: [FFmpeg-user] h264_vaapi missing frames

On 23/03/18 13:15, Carl Eugen Hoyos wrote: > 2018-03-23 14:12 GMT+01:00, Mark Thompson <s...@jkqxz.net>: >> On 23/03/18 01:28, Kai Hendry wrote: >>> Thank you Moritz! Damn, I feel like a fool. ;) >>> >>> Unfortunately Mark's suggestion doesn't seem to ha

Re: [FFmpeg-user] h264_vaapi missing frames

On 23/03/18 01:28, Kai Hendry wrote: > Thank you Moritz! Damn, I feel like a fool. ;) > > Unfortunately Mark's suggestion doesn't seem to have an impact. > > As you hopefully can see here: > https://s.natalian.org/2018-03-23/1521768226.mp4 > > The mouse still doesn't move smoothy across the

Re: [FFmpeg-user] h264_vaapi missing frames

On 20/03/18 10:24, Kai Hendry wrote: > Hi Mark, > > On 20 March 2018 at 17:58, Mark Thompson <s...@jkqxz.net> wrote: >> Show your command line? The pts values in that file are quite uniform, >> suggesting that you've forced the output to be treated as if it is 30/10

Re: [FFmpeg-user] h264_vaapi missing frames

On 20/03/18 02:30, Kai Hendry wrote: > Hi there, > > With my brand new Intel 8th gen laptop (Intel Corporation UHD Graphics > 620 (rev 07) with 8 core Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz on > Archlinux, I thought I'd experiment with hardware accelerated capture > as opposed to my normal

Re: [FFmpeg-user] Ffmpeg Webm vp8/vp9 encoding supporting Gpus

On 01/03/18 11:57, oktay eşgül wrote: > Hi, > > I am trying to encode webrtc vidyo call records.Currently,we have Nvidia > 1080ti GPu and using cuda. > > Yet ,current gpu do not support webm encoding. Need to figure out > applicable hardware to be able to use webm encoding. > > As far as I

Re: [FFmpeg-user] ffmpeg3.4 regression

On 16/02/18 15:03, Piotr Oniszczuk wrote: > > >> >> VDPAU is fully supported via the hwaccel API and is usable in the ffmpeg >> program via the -hwaccel option. The (deprecated for years) standalone >> VDPAU decoder which you are trying to use here was removed from master with >> the

Re: [FFmpeg-user] ffmpeg3.4 regression

On 16/02/18 12:55, Piotr Oniszczuk wrote: > Carl, > Thx for prompt replay. > Pls see in-line > >> Wiadomość napisana przez Carl Eugen Hoyos w dniu >> 16.02.2018, o godz. 11:22: >> >> 2018-02-16 11:00 GMT+01:00 Piotr Oniszczuk : >> >>> -I have some

Re: [FFmpeg-user] [Parsed_overlay_opencl_5 @ 0x4f22e80] Failed to finish command queue:

r:1/1 -> w:426 h:240 > fmt:yuv420p sar:640/639 flags:0x2 > [hwupload @ 0x54102c0] Surface format is yuv420p. > [Parsed_overlay_opencl_5 @ 0x5415580] [framesync @ 0x54156d0] Selected > 1/9 time base > [Parsed_overlay_opencl_5 @ 0x5415580] [framesync @ 0x54156d0] Sync level 2 > [Parsed_overlay_opencl_5 @ 0x5415580] Using kernel overlay_no_alpha. > [Parsed_overlay_opencl_5 @ 0x5415580] Fail

Re: [FFmpeg-user] [Parsed_overlay_opencl_5 @ 0x4f22e80] Failed to finish command queue:

On 09/01/18 06:01, 郭浩 wrote: > i want to use overlay_opencl, and i build the ffmpeg with opencl success! but > i run the command , it alway report "[Parsed_overlay_opencl_5 @ 0x4f22e80] > Failed to finish command queue:",i am not sure my command is correct , can > someone tell me how this

Re: [FFmpeg-user] HEVC Conformance Test Failed

On 29/11/17 12:58, Carl Eugen Hoyos wrote: > 2017-11-29 11:19 GMT+01:00 Zhenan Lin : > >> CONFWIN_A_Sony_1/CONFWIN_A_Sony_1/CONFWIN_A_Sony_1.bit >> HM 16.9: a3ce3f936ff69ff1ec2621a622dd37ac >> FFmpeg: c0a13e81b3a68c4263f240eb99a281b0 > > Needs "-vf crop=412:236:2:0" for

Re: [FFmpeg-user] RTSP stream fps 29.97 instead of 30

On 05/10/17 07:48, Carl Eugen Hoyos wrote: > 2017-10-04 23:20 GMT+02:00 Mark Thompson <s...@jkqxz.net>: >> On 03/10/17 21:22, Jonathan Viney wrote: >>> On Tue, Oct 3, 2017 at 1:56 PM, Mark Thompson <s...@jkqxz.net> wrote: >>> >>>> On 03/10/17

Re: [FFmpeg-user] RTSP stream fps 29.97 instead of 30

On 03/10/17 21:22, Jonathan Viney wrote: > On Tue, Oct 3, 2017 at 1:56 PM, Mark Thompson <s...@jkqxz.net> wrote: > >> On 03/10/17 00:56, Jonathan Viney wrote: >>> Hi, >>> >>> I am pulling an RTSP stream from an Axis 4K IP camera. The stream from

Re: [FFmpeg-user] RTSP stream fps 29.97 instead of 30

On 03/10/17 00:56, Jonathan Viney wrote: > Hi, > > I am pulling an RTSP stream from an Axis 4K IP camera. The stream from the > camera is 30fps, but the resulting stream from ffmpeg is 29.97fps. Here is > the command: > > ffmpeg -rtsp_transport tcp -i rtsp://10.9.9.1:554/axis-media/media.amp >

Re: [FFmpeg-user] memory leak with vaapi decode since ffmpeg_vaapi: Convert to use hw_frames_ctx only

On 28/05/17 12:22, Andy Furniss wrote: > ==13089== HEAP SUMMARY: > ==13089== in use at exit: 1,641,516,251 bytes in 201,131 blocks > ==13089== total heap usage: 2,075,668 allocs, 1,874,537 frees, > 68,823,339,225 bytes allocated > ==13089== > ==13089== 368 bytes in 1 blocks are possibly

Re: [FFmpeg-user] CodecPrivateData is empty when h264_vaapi encoder used

On 28/02/17 18:52, w_boba wrote: > Mark, > > As I have mentioned in my first post, I am working with ffmpeg version > n3.2.4-4-g36fff6c, which is near-current, and commit you have mentioned is > dated Dec 2016. I believe that commit is already included in my branch, last > commit I see there is

Re: [FFmpeg-user] CodecPrivateData is empty when h264_vaapi encoder used

On 28/02/17 17:25, w_boba wrote: > I forgot to add: "CodecPrivateData" attribute is "required" for SmoothStream > according to MS document: > > https://msdn.microsoft.com/en-us/library/ff728116%28v=vs.95%29.aspx I'm not familiar with this format at all, but it looks like it will be generating

Re: [FFmpeg-user] VAAPI decoding/encoding of several video streams in parallel

On 20/12/16 18:21, Anton Sviridenko wrote: > I want to use hardware acceleration for processing multiple realtime > videostreams (coming over RTSP). > I've read this thread - > http://ffmpeg.org/pipermail/ffmpeg-user/2016-December/034530.html > > and have some questions related to scaling this

Re: [FFmpeg-user] The transcoded file can't see the video played by the JW player which used the VAAPI to transcode file to the FLV format.

On 05/12/16 12:51, Archer Chang wrote: > I use the VAAPI HW ACCEL to transcode file to the FLV format that the > command as follows. > > ffmpeg -vaapi_device /dev/dri/renderD128 -hwaccel vaapi > -hwaccel_output_format vaapi -hwaccel_lax_profile_check -i infile.mkv -vf >

Re: [FFmpeg-user] VAAPI Decoding/Encoding with C code

ode directly from the ffmpeg utility into your application if you want (assuming you comply with the licence terms). - Mark > On Fri, 2 Dec 2016, at 09:03 PM, Mark Thompson wrote: >> On 02/12/16 10:57, Victor dMdB wrote: >>> I was wondering if there were any examples of impleme

Re: [FFmpeg-user] VAAPI Decoding/Encoding with C code

On 02/12/16 10:57, Victor dMdB wrote: > I was wondering if there were any examples of implementations with > avformatcontext? > > I've looked at the source of ffmpeg vaapi implementation: > https://www.ffmpeg.org/doxygen/trunk/ffmpeg__vaapi_8c_source.html > > and there is a reference to the cli

Re: [FFmpeg-user] hwaccel vaapi and "No VA display found for device"

On 23/11/16 11:48, desktop ready wrote: > On Wed, 23 Nov 2016 10:00:25 +0000, Mark Thompson <s...@jkqxz.net> wrote : > >> On 23/11/16 03:09, desktop ready wrote: >>> Hello, >>> >>> I would like to confirm a bug/problem before submitting a bug >>&

Re: [FFmpeg-user] hwaccel vaapi and "No VA display found for device"

On 23/11/16 03:09, desktop ready wrote: > Hello, > > I would like to confirm a bug/problem before submitting a bug report. > I am working on Debian Jessie/Stable amd64 on an Intel Skylake i3-6320 > and would like to decode an HEVC 8-bit encoded UHD movie. > > With a fresh ffmpeg github checkout

Re: [FFmpeg-user] unable to capture desktop session using x11grab on debian jessie with ffmpeg 3.1.4

On 08/11/16 21:59, Mark Thompson wrote: > On 08/11/16 12:17, 肖文良 wrote: >> Built from the latest git source seems not help. >> >> following command runs about 15+ seconds. nothing was captured. If I add >> -loglevel debug, this log keep being printed: >> >&g

Re: [FFmpeg-user] H264 VAAPI Encoder

On 19/06/16 00:34, Andy Furniss wrote: > Mark Thompson wrote: >> >> So, I also went and built mesa with the encode patches and had a go. With >> the changes above, it does get to actually trying to encode, but that nuked >> my GPU to the point of requiring reboot.

Re: [FFmpeg-user] H264 VAAPI Encoder

On 18/06/16 16:37, Mark Thompson wrote: > On 17/06/16 23:33, Andy Furniss wrote: >> >> AMD are working on vaapi encode for mesa, only a few patches about so far >> and they got rejected - though not for functionality. >> >> They do work with gstreamer, but trying

Re: [FFmpeg-user] H264 VAAPI Encoder

On 17/06/16 23:33, Andy Furniss wrote: > > AMD are working on vaapi encode for mesa, only a few patches about so far and > they got rejected - though not for functionality. > > They do work with gstreamer, but trying above with ffmpeg fails as below > (render node or X) seems the surface is

Re: [FFmpeg-user] H264 VAAPI Encoder

On 13/05/16 20:43, Armin K. wrote: > I noticed that recently a VAAPI based H264 encoder was added to ffmpeg. > I built ffmpeg from git and now I have h264_vaapi listed in ffmpeg -encoders > output. > > However, when I try to use ffmpeg ... -vcodec h264_vaapi I get the following > error: > >