[FFmpeg-user] Driver does not support the required nvenc API version

Hello everyone I am new to ffmpeg and i am trying to encode some video to x265 with following command : ffmpeg -i video.mp4 -c:v hevc_nvenc -c:a aac -b:a 128k output.mp4 and what i get is "Driver does not support the required nvenc API version. Required: 8.0 Found: 7.1" . If you can point me o

Re: [FFmpeg-user] Driver does not support the required nvenc API version

have installed cuda toolkit and nvidia driver by download from the site cuda_8.0.61_375.26_linux.run file. BR, Daniel On Sat, May 13, 2017 at 12:21 PM, Nicolas George wrote: > Le tridi 23 floréal, an CCXXV, Daniel a écrit : > > I am new to ffmpeg and i am trying to encode some vide

[FFmpeg-user] how to create audio bar in video ?

Hello everyone i was wondering if it's possible to create audio bar in video which i get from live stream and save it something like ->https://cdn.pbrd.co/images/wHNkcDMi.png <https://cdn.pbrd.co/images/wHNkcDMi.png> .I will appreciate any tips or howto. BR -- Best r

[FFmpeg-user] how to capture live stream nvenc help

-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-nonfree --enable-nvenc --enable-opencl --enable-librtmp --enable-libv4l2 --enable-libvpx -- Best regards, Daniel

[FFmpeg-user] how to split live stream

Hello everyone I have nvidia gtx960 with 3 display ports and 1 hdmi and i wonder if i can split live stream on four tv's and create something like video wall :) . You can find a simple screenshot here to clarify what i want. BR

[FFmpeg-user] missing h264_cuvid

Hello everyone, I am trying to decode stream using h264_cuvid decoder but unfortunately i get the following error : "Unrecognized hwaccel: h264_cuvid. Supported hwaccels: vdpau vaapi cuvid " same time if i request "/usr/local/bin/ffmpeg -decoders |grep -i h264 " i get this result: ffmpeg vers

[FFmpeg-user] mp4 files size problem

Hello Everyone, I have tried to convert some videos to mp4 format what has surprised me was the size of the videos, After the conversion some videos were 2,3,4 times bigger then the original wmv files. Here is the command i used to convert : /usr/local/bin/ffmpeg -i video500.wmv -c:a libfdk_a

Re: [FFmpeg-user] mp4 files size problem

Daniel <5960...@gmail.com>: Hello Everyone, I have tried to convert some videos to mp4 format what has surprised me was the size of the videos, After the conversion some videos were 2,3,4 times bigger then the original wmv files. Here is the command i used to convert : /usr/local/bin/ffm

[FFmpeg-user] webcam streaming to youtube

Hello everyone I am trying to stream my webcam to youtube. Here is the command i use: ffmpeg -re -f v4l2 -input_format mjpeg -s 640x480 -hwaccel cuvid -c:v mjpeg_cuvid -i /dev/video1 -c:v libx264 -an -f flv rtmp://a.rtmp.youtube.com/live2/key and the error i get : ffmpeg version 3.3.3 C

[FFmpeg-user] OSX 10.9 libx265

: Unknown encoder 'libx265' Can someone give me a hint how to activate libx265 on OSX Mavericks? Kind regards Daniel ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit

[FFmpeg-user] --no-sao

-c:a copy --no-sao -ss 5000 -t 5 destination.mp4 Kind regards Daniel ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org wi

Re: [FFmpeg-user] --no-sao

really hard to learn UNIX commands. What is the documentation that relevant for me? Kind regards Daniel Am 05.04.2018 um 15:29 schrieb Dennis Mungai : > Hello there, > > That's not the correct syntax. Pass these arguments as: > > -x265-params "--no-sao:fps=24000/100

[FFmpeg-user] FFplay error while seeking network stream

Hello everyone. I try to play internet radio stream with ffplay. Problem is that if something happen with network connectivity ffplay stops and doesn't play anymore the stream after the network problem is solved.Here is the command i use: ffplay -nodisp -loop 0 -i http://185.85.29.141:80 I tried

[FFmpeg-user] OBS streaming UDP -> ffmpeg -> v4l2-loopback ?

can select the /dev/video2 webcam and it shows an image that is intensely green Can anybody suggest a more specific ffmpeg or ffplay command line for this scenario? The package versions are v4l2-loopback 0.12.5-1 and ffmpeg 7:4.3.4-0+deb11u1 Regards, Daniel -- https://danielpocock.com Follow

[FFmpeg-user] how to burn subtitles and transcode live stream

Hello Everyone. I try to transcode live stream and scale the video i have managed to do this with this command : ffmpeg -i "udp://@239.253.251.14:5505?overrun_nonfatal=1&fifo_size=5000" -vf scale=720:576-b:v 2600k -maxrate 4M -bufsize 4M -b:a 128k -f mpegts "udp://@ 239.253.251.15:55

[FFmpeg-user] Need help to re-stream multicast

Dear all, I try to retransmit multicast stream . I can partially manage to do it unfortunately some interruptions in the stream appear , Please help me to correctly calculate the parameters for the udp url (fifo_size , buffer_size,bitrate, pkt_size) i want to set video bitrate to 3M and i am not s

[FFmpeg-user] ffmpeg allocation memory problem

Hello everyone, I try to restream with ffmpeg but for some reason my process got killed after approximately 24h and report memory allocation problem.I have tried many ffmpeg options without success. Please take a look at the picture i have attached and if you have any idea what could be wrong let

[FFmpeg-user] FFMPEG and OCIO

Hi! I'm trying to use ffmpeg in our pipeline and integrate it with OCIO for the color space transformations. I couldn't find any information available. Thanks! -- Daniel Kim +54 11 67999117 ___ ffmpeg-user mailing list ffmpeg-user@ffmpe

[FFmpeg-user] A Python AWS Lambda zip with OpenCV + FFmpeg?

that is not well. *Which files from FFMpeg I have to embed in the python package?* My Stack overflow question url: https://stackoverflow. com/questions/44318020/how-to-create-a-python-aws-lambda- zip-with-opencv-ffmpeg Thanks for your help! Best, -- Eng. Daniel Lopes Data Scientist CREA/SP

Re: [FFmpeg-user] A Python AWS Lambda zip with OpenCV + FFmpeg?

Any help? Thanks! On Mon, Jun 26, 2017 at 12:05 PM, Daniel Lopes wrote: > Hi Guys, > > I have this question on Stack overflow, someone here knows if with *AWS > Lambda *I can use *FFmpeg* + *OpenCV*, I talked with a guy from Amazon, > he said that I have to compile all environm

[FFmpeg-user] Question about MNM4 codec

Attachments available until Apr 21, 2018 Hello, I am trying to convert a video with the MNM4 codec. I know that this codec is not supported in FFmpeg, but is there still a way to get it to play in something like VLC? The reason I am asking is because I have some professional software that conve

[FFmpeg-user] Need ffmpeg command options for converting MPEG2 GOP structure

Dear ffmpeg, I am new to ffmpeg. I have a MPEG2, 1080i, 29.97fpstransport stream. It has closed GOP structure of I0 P3 B1 B2 P6 B4 B5 P9 B7 B8P12 B10 B11.  I need to convert the GOPto I0 B0 B1.  What is the ffmpeg cli command options to do the conversion?  Thanks much for your help.  Daniel

[FFmpeg-user] weird seek behaviour in hls streams

Hi all, We run a service that extensively relies on hls streams recorded from rtsp capable cameras. We rotuinely generate clips from recorded streams and seem to run into weird behavior of -ss and -t. also it seems the hls stream always has a start-time of 1.4s. This is not the core problem tho

Re: [FFmpeg-user] weird seek behaviour in hls streams

> On 17. Apr 2018, at 12:43, Gyan Doshi wrote: > > > > On 4/17/2018 4:07 PM, Daniel Oberhoff wrote: > >> We run a service that extensively relies on hls streams recorded from rtsp >> capable cameras. We rotuinely generate clips from recorded streams and seem

Re: [FFmpeg-user] weird seek behaviour in hls streams

> On 17. Apr 2018, at 12:43, Gyan Doshi wrote: > > On 4/17/2018 4:07 PM, Daniel Oberhoff wrote: > >> We run a service that extensively relies on hls streams recorded from rtsp >> capable cameras. We rotuinely generate clips from recorded streams and seem >> to

Re: [FFmpeg-user] weird seek behaviour in hls streams

> On 17. Apr 2018, at 12:43, Gyan Doshi wrote: > > > > On 4/17/2018 4:07 PM, Daniel Oberhoff wrote: > >> We run a service that extensively relies on hls streams recorded from rtsp >> capable cameras. We rotuinely generate clips from recorded streams and seem

Re: [FFmpeg-user] weird seek behaviour in hls streams

> On 17. Apr 2018, at 12:43, Gyan Doshi wrote: > > > > On 4/17/2018 4:07 PM, Daniel Oberhoff wrote: > >> We run a service that extensively relies on hls streams recorded from rtsp >> capable cameras. We rotuinely generate clips from recorded streams and seem

Re: [FFmpeg-user] weird seek behaviour in hls streams

> On 18. Apr 2018, at 12:30, Gyan Doshi wrote: > > > > On 4/18/2018 3:19 PM, Daniel Oberhoff wrote: > >> Ok, i investigated some further. The source of the problem seem to be the >> start offsets that are “weird” around hls. For one all our hls recordings &g

Re: [FFmpeg-user] weird seek behaviour in hls streams

> On 19. Apr 2018, at 14:48, Daniel Oberhoff > wrote: > > >> On 18. Apr 2018, at 12:30, Gyan Doshi wrote: >> >> >> >> On 4/18/2018 3:19 PM, Daniel Oberhoff wrote: >> >>> Ok, i investigated some further. The source of the problem

Re: [FFmpeg-user] hwaccel cuvid with filters

>> >> Maybe someone can explain how to use in filters? > > > add 'hwdownload,format=nv12' to the beginning of filter.txt and > 'hwupload_cuda' to the end. I guess this could be improved with cuda specific filters. I am wondering if it was considered to allow generic gpu filters such as using

Re: [FFmpeg-user] bananapi cedrus h264 hardware encoder yields 0-byte size file

2-31, 200 kb/s, > 30 fps, 30 tbn, 30 tbc > Metadata: > encoder : Lavc57.96.101 cedrus264 > More than 1000 frames duplicated > Cheers, > Cedric > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http:

Re: [FFmpeg-user] ffmpeg transcoding multicast to multicast stuck in disk sleep

Hello Jakub, did you try to strace ffmpeg to see if there are any disk r/w operations? Daniel ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user

Re: [FFmpeg-user] Play Pcap file and make ffmpeg capture the stream

Hello, you can use tpcreplay to play the pcap in reatime and capture it with ffmpeg. For example like this: # tcpreplay -i lo -l 0 lkv.pcap # route add 239.255.42.42 dev lo % ffmpeg -i udp://@239.255.42.42:5004 out.mp4 But you need to setup your networking properly. What's the source and des

Re: [FFmpeg-user] Play Pcap file and make ffmpeg capture the stream

Then I can only wish you luck... 2018-05-30 08:09 odosielateľ napísal: Hi, i am using this on windows, i think we tcpreplay on Linux platform. On Wed, May 30, 2018 at 11:28 AM, Daniel Kucera wrote: Hello, you can use tpcreplay to play the pcap in reatime and capture it with ffmpeg. For

Re: [FFmpeg-user] [LDP] FFmpeg at LinuxDays 2018 in Prague

2018-08-31 21:46 odosielateľ napísal: Hi all, FFmpeg been accepted for a booth at the LinuxDays 2018 in Prague, Czech Republic during October 6th to 7th! We've made contact during this years CLT. This is our first attendance to this end-user conference that has a similar program like the Linux

[FFmpeg-user] slow encoding from raw rgb

by adding -vf scale=out_color_matrix=bt709:out_range=pc. Unfortuntately thi makes encoding a lot slower (40 vs 60 fps) which effectively makes this approach too slow for us. Do yiz have any idea why this is the case? Best Daniel pEpkey.asc Description: application/pgp-keys

Re: [FFmpeg-user] slow encoding from raw rgb

Am 18.10.18 um 12:13 schrieb Paul B Mahol: > On 10/18/18, Daniel Oberhoff wrote: >> Hello, >> >> >> So we are trying to encode raw rgb data from a pipe with ffmpeg. We >> found that ffmpeg implicitly converts the data to tv range bt601, which >> is sub

[FFmpeg-user] frame rate conversion

18fps, so my question is what would be the proper ffmpeg command line to achieve this? Many thanks in advance. Daniel ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or

Re: [FFmpeg-user] frame rate conversion

So how should I do that with MEncoder? Thanks On Sat, Nov 24, 2018 at 2:39 PM Carl Eugen Hoyos wrote: > 2018-11-24 20:06 GMT+01:00, Daniel Senderowicz < > daniel.senderow...@gmail.com>: > > I just purchased a film scanner for my very old 8mm and super8 movies. > This >

Re: [FFmpeg-user] frame rate conversion

:48 GMT+01:00, Daniel Senderowicz < > daniel.senderow...@gmail.com>: > > So how should I do that with MEncoder? > > I have asked for an example in this ticket (and there is one): > https://trac.ffmpeg.org/ticket/2602 > An alternative is to google for "mencoder soft te

Re: [FFmpeg-user] frame rate conversion

How do I set the -r entry for my case? What is top-posting? Am I doint something wrong? On Sat, Nov 24, 2018 at 3:33 PM Carl Eugen Hoyos wrote: > 2018-11-25 0:02 GMT+01:00, Daniel Senderowicz < > daniel.senderow...@gmail.com>: > > What I found on the internet are cases of c

[FFmpeg-user] hls single file muxer publishes truncated segments?

did not see the problem. is this problem known? is there a way around it? Best Daniel Oberhoff pEpkey.asc Description: application/pgp-keys ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To

Re: [FFmpeg-user] hls single file muxer publishes truncated segments?

Am 05.12.18 um 13:15 schrieb Carl Eugen Hoyos: > 2018-12-05 11:55 GMT+01:00, Daniel Oberhoff : > >> We are now starting to use the single file hls muxer with the fmp4 file >> format. While running a test i found the situation where a segment >> appeared in the playlis

Re: [FFmpeg-user] hls single file muxer publishes truncated segments?

Am 05.12.18 um 13:15 schrieb Carl Eugen Hoyos: > 2018-12-05 11:55 GMT+01:00, Daniel Oberhoff : > >> We are now starting to use the single file hls muxer with the fmp4 file >> format. While running a test i found the situation where a segment >> appeared in the playlis

[FFmpeg-user] On-demand transcoding streams

I'm currently using ffmpeg to transcode an internet stream, to a file, to change the format and lower the bandwidth. I'd like to transcode from a live internet feed (changing codec and bitrate) to a local network url, which a media player or local internet radio device could play. I want the req

[FFmpeg-user] problems consuming live single file hls

ished" via the m3u8. I did not have this problem when using multi-file hls. Any Ideas? Thanks for help! We really need single file hls in our product (https://game-on-technologies.com/) since our file systems start having problems with all the small files. Best Daniel Oberhoff ffmpeg ver

Re: [FFmpeg-user] problems consuming live single file hls

Am 10.01.19 um 18:04 schrieb Carl Eugen Hoyos: > 2019-01-10 14:59 GMT+01:00, Daniel Oberhoff : > >> I previously reported on problems with consuming a live single >> file hls stream. It was quite embedded in the application so i >> failed to make a good reproducibl

Re: [FFmpeg-user] problems consuming live single file hls

s for new entries in the playlist to become visible only after the data is visible to open/read. You are saying this is impossible? I cant imagine that to be honest. Would you accept a patch if i can get this to work? Best Daniel pEpkey.asc Description: application/pgp-keys p

Re: [FFmpeg-user] problems consuming live single file hls

t to be honest. Would you >> accept a patch if i can get this to work? > Patches are always preferred over bug reports (but bug reports > are very welcome), and there is no doubt that I may completely > misunderstand the issue. I think to some extent that happened (see above wher

[FFmpeg-user] Change FPS

a final video file at 29.97 FPS for DVD burning. Can someone tell me how to use ffmpeg to do that conversion? Many thanks in advance. Daniel ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To

Re: [FFmpeg-user] Change FPS

52 AM Carl Eugen Hoyos wrote: > 2019-03-22 4:56 GMT+01:00, Daniel Senderowicz < > daniel.senderow...@gmail.com>: > > I have some old super8 films that I want to digitize. For that, I got a > > Volverine Data Film2Digital movie maker. According to their specs, the > > I

Re: [FFmpeg-user] Change FPS

rote: > 2019-03-22 17:08 GMT+01:00, Daniel Senderowicz < > daniel.senderow...@gmail.com>: > > At the moment of the purchase I chose the Wolverine because > > I didn't know about the existence of the product you mentioned. > > But now, knowing about it, and especi

Re: [FFmpeg-user] Change FPS

On Fri, Mar 22, 2019 at 4:20 PM Carl Eugen Hoyos wrote: > 2019-03-23 0:00 GMT+01:00, Daniel Senderowicz < > daniel.senderow...@gmail.com>: > > what is top posting? > > https://www.google.com/search?q=top+posting > > > I didnt do any comparisons between the wolv

[FFmpeg-user] getting wall clock time from rtsp stream

other sources. Best Daniel ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] getting wall clock time from rtsp stream

> > On Wed, Mar 16, 2016 at 22:42:09 +0100, Daniel Oberhoff wrote: >> around that there are things like RTCP sender reports and such on the low >> level containing this info, > > Without reading the RTP specs, I could see exactly that from Wireshark > dumps. Ok, y

[FFmpeg-user] Multicam synchronized output

Please let me know if I can provide any additional data to help solve this problem. Thank you so much for reading. Best, Daniel ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

[FFmpeg-user] fault-tolerant streaming and local saving at the same time

mmands and outputs are below. Thanks, Daniel sender: user@host:~$ ffmpeg -i ~/Videos/Moments_of_Everyday_Life.mp4 -acodec pcm_u16le -vcodec yuv4 -f mpegts udp://127.0.0.1:2 ffmpeg version 2.8.8-0ubuntu0.16.04.1 Copyright (c) 2000-2016 the FFmpeg developers built with gcc 5.4.0 (Ubuntu 5.4.

Re: [FFmpeg-user] fault-tolerant streaming and local saving at the same time

000-2016 the FFmpeg > > Please understand that only current FFmpeg git head is supported > here. > Thanks for noting this, now I am using that. Daniel ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-

Re: [FFmpeg-user] fault-tolerant streaming and local saving at the same time

lobal headers:0kB muxing overhead: 0.547867% I am lost at this point. If it is really caused by lost UDP packets and not by some unlikely misconfiguration, then I really do not know, how to achieve reliable parallel streaming and local saving. Any ideas? Thanks, Daniel

[FFmpeg-user] Android camera not working

essfully parsed a group of options. Parsing a group of options: input url 0. Applying option f (force format) with argument android_camera. Successfully parsed a group of options. Opening an input file: 0. [android_camera @ 0x7af8ab9600] Requested video_size 0x0 not available, falling back to 2592x1944

[FFmpeg-user] Styling of .ass subtitles

Hi, Is there a way to change for example margins and font size when using "ass=sub.ass" to hardcode subtitles? With "subtitles=sub.ass" you can use force_style, but is there a similar way with the ass=sub.ass filter? Thanks, Daniel ___

[FFmpeg-user] ffprobe returns wrong bitrate on fragmented mp4

I tried running ffprobe on a fragmented mp4 file with a bunch of moof + mdat boxes. The command that I tried was: ffprobe -show_streams -show_format ./video.mp4 The output was as follows: ffprobe version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2007-2019 the FFmpeg developers built with gcc 7 (Ubunt

Re: [FFmpeg-user] ffprobe returns wrong bitrate on fragmented mp4

=isomiso2avc1mp41 TAG:encoder=Lavf57.83.100 [/FORMAT] -- On Mon, 2 Dec 2019, 23:17 Moritz Barsnick wrote: > On Mon, Dec 02, 2019 at 17:18:49 +1000, daniel jee wrote: > > I tried running ffprobe on a fragmented

[FFmpeg-user] 10 seconds delay from real image to computer

Well i can sucessfull stream my ip camera trough http using ffserver and ffmplayer, but when i open the stream i receive the video with a 9 sec delay, i tryied to search about libtheora configuration and ffserver to improve this but i failed to find something usefull, here is my conf: Port 8090 Bi

[FFmpeg-user] 10 seconds delay from real image to computer

Im resending this email cause i dont know if you received the last one. Well i can sucessfull stream my ip camera trough http using ffserver and ffmplayer, but when i open the stream i receive the video with a 9 sec delay, i tryied to search about libtheora configuration and ffserver to improve thi

[FFmpeg-user] allow cross origin

Hi guys, I want to change the http response header, i need the server to Access-Control-Allow-Origin: *, to allow crossorigin so i will be able to take pictures using html5, anyone know how to do it? its possible via configuration? ___ ffmpeg-user mai

[FFmpeg-user] Efficient way to extract AVFrame data when linesize > frame width

the first (frame->width) values of each row (instead all the frame->linesize values). However, I am looking for a more efficient way, preferably using the functions of ffmpeg. So, my question is, It is possible to remove such extra borders from frame->data with ffmpeg functio

[FFmpeg-user] Question about pic_init_qs_minus26 in PPS

e file to a Baton QC account. Here the output : pastebin.com/UTMyGzfc It seems there is an error on pic_init_qs_minus26 value in PPS. I really dont' know wich are the parameter that influence this. Any help will be really welcome. Julien Daniel __

[FFmpeg-user] Question about pic_init_qs_minus26 in PPS

e file to a Baton QC account. Here the output : pastebin.com/UTMyGzfc It seems there is an error on pic_init_qs_minus26 value in PPS. I really dont' know wich are the parameter that influence this. Any help will be really welcome. Julien Daniel __

Re: [FFmpeg-user] Question about pic_init_qs_minus26 in PPS

int=27:min-keyint=1:slices=1:b_pyramid=0:nal-hrd=vbr:vbv-bufsize=35000:vbv-maxrate=25000\" -pass 1 -filter_complex \"[0:0] [0:1] amerge\" -c:a libfdk_aac -b:a 320k -ar:a 48k -f mp4 /dev/null && and the same with the 2nd pass i don't have the error anymore. Maybe an ex

Re: [FFmpeg-user] Question about pic_init_qs_minus26 in PPS

2015-06-25 23:13 GMT+02:00 Carl Eugen Hoyos : > julien daniel gmail.com> writes: > > > Here the output : pastebin.com/UTMyGzfc > > (Please post all information here on the list, > external resources may disappear.) > > > Found 0. Allowed -26 to 25 Inclusively. &g

[FFmpeg-user] trouble with serving rtsp

Hello All, I'm trying to serve an mp4 video over rtsp but for some reason ffplay will not play the video stream. I am at a loss about what to do next. Please advise on how I can view the stream via rtsp. # O/S info $ uname -r 3.16.6-200.fc20.x86_64 ## # ffserver.conf ## HTTPPort 8080 R

[FFmpeg-user] FF-MPEG newbie trial testing streaming with ffserver and mpegts UDP multicast live stream.

Hi Guys I have been testing ffmpeg recently for a live broadcasting Project i have ATM I am developing a multicast IPTV middleware streaming for a small ISP project. Its working fine so far it Filters the DVB-S and DVB-T streams and outputs it without any transcoding output Multicast UDP 239.1

[FFmpeg-user] RES: FF-MPEG newbie trial testing streaming with ffserver and mpegts UDP multicast live stream.

] Em nome de Pedro Daniel Costa Enviada em: sábado, 30 de junho de 2018 20:59 Para: ffmpeg-user@ffmpeg.org Assunto: [FFmpeg-user] FF-MPEG newbie trial testing streaming with ffserver and mpegts UDP multicast live stream. Hi Guys I have been testing ffmpeg recently for a live broadcasting Project i

[FFmpeg-user] installed new version 4.0.1 but old 3.4.2 still sowing up how to force new version?

Hi guys I have compiled nvidia drivers and cuda on my pc server.. Now I have compiled new FFMPEG 4.0.1 from github with support for libx-264 and cuda cuvid... compile ok But on ffmpeg -help its still showing old version 3.4.2 from debian package How I can force new version compiled from githu

[FFmpeg-user] Issue with connection FFmpeg and ffprobe for live stream transcoding

Hi guys First of all let me mention, that am just typing this issue , after several hours of research in order to make something work that simply does not what to happen. Here is my scenario. I have 2 PC servers, one of them is running a multicast live transmition application, which stream

[FFmpeg-user] MPEGTS packet size mismatch error on live transcoding

Hi guys I have another issue now.. I have live transcoding platform running just fine, I have installed ffmpeg on same machine for testing purposes I have ffserver all configured for transcoding the live channel which works fine, on the same machine I can transcode it without any issues.. So

[FFmpeg-user] issue with monitoring script

Hi guys I need some guidance I have setup a crontab To check every minute if a live transcoding channel has stopped. The script gets pulled via crontab and I can see the instance starting up, but then after couple of seconds it gets shutdown, If I run the script manually it starts both ffser

[FFmpeg-user] RES: issue with monitoring script

Assunto: Re: [FFmpeg-user] issue with monitoring script On Fri, Jul 20, 2018 at 5:37 PM, Pedro Daniel Costa < portaln...@outlook.com.br> wrote: > Hi guys > > I need some guidance > > I have setup a crontab > > To check every minute if a live transcoding channel has s

[FFmpeg-user] Live streaming encryption AES example configuration

Hi guys Quick question, i have seen some comments about encrypting live stream with AES key I am using a live transcoding atm, I am willing to test live encryption on the live transcoding on the fly how can I do this, I have not seen any configuration examples so far. Can I configure it on F

[FFmpeg-user] Best Nvidia professional cards for li e transcoding

Hi guys i am looking for best Nvidia cuda professional card for live transcoding 100Channels, 50Channel HD mpeg4 aac 1980x1080p, and 50Channel sd mpeg2 576x480. I am thinking TESLA K80, 4992GPU cuda cores, is there a more powerfull card? Will be running on DELL R910 Server 32Core quad CPU _

[FFmpeg-user] RES: Best Nvidia professional cards for li e transcoding

ction. On 23 August 2018 at 19:02, Pedro Daniel Costa wrote: > Hi guys i am looking for best Nvidia cuda professional card for live > transcoding 100Channels, 50Channel HD mpeg4 aac 1980x1080p, and > 50Channel sd mpeg2 576x480. > > I am thinking TESLA K80, 4992GPU cuda cores,

[FFmpeg-user] Nvidia professional cards for li e transcoding

x27;t need HEVC 8k encoder support) OR the Tesla P40 (if you want/need all the features). I cannot speak for the Volta (GV100) line of GPUs as I'm yet to evaluate them in production. On 23 August 2018 at 19:02, Pedro Daniel Costa wrote: > Hi guys i am looking for best Nvidia cuda prof

[FFmpeg-user] RES: A question on the Quadro P6000 and maximum simultaneous NVENC encodes in FFmpeg

Ok But with the TESLA models, did you have any issues over 40 streams? I am planning on budge project to run minimum 100channels -Mensagem original- De: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] Em nome de Dennis Mungai Enviada em: quinta-feira, 23 de agosto de 2018 13:54 Para:

[FFmpeg-user] RES: Nvidia professional cards for li e transcoding

questions Assunto: Re: [FFmpeg-user] Nvidia professional cards for li e transcoding On Thu, Aug 23, 2018, 11:06 Pedro Daniel Costa wrote: > This is the datasheet list > > For comparison on both models i am thinking > > > 1st > > Quadro P6000 > > SPECIFICATIONS >

[FFmpeg-user] header httpd

Hi guys, I want to change the http response header, i need the server to Access-Control-Allow-Origin: *, to allow crossorigin so i will be able to take pictures using html5, anyone know how to do it? its possible via configuration? -- Att, Daniel Viana Auler dan...@dvasolucoes.com.br Tel

[FFmpeg-user] ffmpeg doesn't generate a ISO/IEC 14496-17 (MPEG-4 text) track when ingesting WebVTT subtitles to produce MPEGTS

efault) Metadata: handler_name: SubtitleHandler Any reason why both commands behave differently? is mpegts not supporting ISO/IEC 14496-17 (MPEG-4 text)? Note: attached is the subtitle.vtt file. Regards -- Daniel Andrés Pelaez López WEBVTT 00:00.000 --> 00:01.000 Subtitle 1

[FFmpeg-user] specifying header for http post

t;https://foo/>.org/endpoint -loglevel trace but the trace doesnt mention the auth header at all or respect the chunked_post 0. am I missing something? Best Daniel Oberhoff signature.asc Description: Message signed with OpenPGP ___ ffmpeg-user mai

Re: [FFmpeg-user] specifying header for http post

> On Mar 30, 2021, at 7:46 PM, Gyan Doshi wrote: > > > > On 2021-03-30 20:44, Daniel Oberhoff via ffmpeg-user wrote: >> Hello >> >> I am trying to add an authorization header to a http post output, but >> somehow cant seem to succeed. >> &g

Re: [FFmpeg-user] specifying header for http post

> On Mar 31, 2021, at 12:00 AM, Daniel Oberhoff > wrote: > > > >> On Mar 30, 2021, at 7:46 PM, Gyan Doshi > <mailto:ffm...@gyani.pro>> wrote: >> >> >> >> On 2021-03-30 20:44, Daniel Oberhoff via ffmpeg-user wrote: >>> H

[FFmpeg-user] vulkan video

Hello, I saw recently on phoronix that there was a vulkan video branch. Unfortunately that seems to have grown stale. Is there any chance vulkan video will make it into ffmpeg any time soon? I could also help if help is needed. We could really use that. Best Daniel signature.asc

[FFmpeg-user] Tracking ffmpeg instance by its logs

Hi there. I'm having some trouble with a ffmpeg working with an external stream as input. This are the logs I see: ``` (...) Jun  8 10:57:05 server-name journal: [h264 @ 0x55a098c0c700] non-existing PPS 0 referenced Jun  8 10:57:05 server-name journal: [h264 @ 0x55a098c0c700] decode_slice_heade

[FFmpeg-user] Documentation/examples about async protocol

Hi there. I'm interesting in using the async protocol, which I discovered a few hours ago. I believe it may solve a problem I'm facing with my video pipeline. However, this is the documentation page about the async protocol: https://ffmpeg.org/ffmpeg-protocols.html#async It only has a very b

Re: [FFmpeg-user] filter for changing frame rate

> > You can not. I am curious what exactly the hindrance is. As I understand at least mp4 there is not really a concept of frame rate in the file and in theory every frame can have a different „rate“, defined solely by pts. So in theory pts should be all you need. Where am I going wrong in my

Re: [FFmpeg-user] filter for changing frame rate

> On 13 May 2019, at 13:40, Carl Eugen Hoyos wrote: > > Am Mo., 13. Mai 2019 um 13:36 Uhr schrieb Daniel Oberhoff via > ffmpeg-user : >> >> >>> >>> You can not. >> >> I am curious what exactly the hindrance is. As I understand at least

[FFmpeg-user] setting image2 format flag update

Hello, We would like to run the image2 output format with the update flag, such that it continuously updates a single image (very useful for website thumbnails…) but we can’t for the death of us not find out how to specify it. Can anyone help? we have tried it like this: ffmpeg -f lavfi -i t