[FFmpeg-user] Impossible to convert between the formats supported by the filter 'graph 0 input from stream 0:0' and the filter 'auto_scaler_0'

Hello, When I use this command in transcoding I face an error. How can I fix this issue? This command works in some cameras without error but for other cameras it has a problem. I would appreciate your help. Regards, Ben. tst@tst: ~$ ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format

Re: [FFmpeg-user] Error: Impossible to convert between the formats...(Nvidia codecs)

Hi Dennis, Now I am streaming with two cameras but I have a small problem, the audio stream is not synced with the video stream, and there is a small delay of around 0.2 seconds. How can I fix it? I would appreciate your help. Regards, Ben. On Sat, Jul 9, 2022 at 9:52 PM Dennis Mungai wrote

Re: [FFmpeg-user] Error: Impossible to convert between the formats...(Nvidia codecs)

Hi again, Sure, I will do it based on that. Thank you for your help. If I face an issue I'll contact you again. I appreciate it. On Sat, Jul 9, 2022 at 7:55 PM Dennis Mungai wrote: > On Sat, 9 Jul 2022 at 14:40, Ben Parham wrote: > > > Thank you, Dennis. It works with 6 in-preset

Re: [FFmpeg-user] Error: Impossible to convert between the formats...(Nvidia codecs)

Thank you, Dennis. It works with 6 in-preset p4. Now I am running one stream, but I will run 5 streams in RTX A2000. Does it support this number in all streams? On Sat, Jul 9, 2022 at 7:29 PM Dennis Mungai wrote: > On Sat, 9 Jul 2022 at 14:25, Ben Parham wrote: > > > Thanks, Den

Re: [FFmpeg-user] Error: Impossible to convert between the formats...(Nvidia codecs)

] No decoder surfaces left38 bitrate=N/A speed=2.09x [hevc @ 01ac41d82640] decoder->cvdl->cuvidDecodePicture(decoder->decoder, >pic_params) failed -> CUDA_ERROR_INVALID_VALUE: invalid argument On Sat, Jul 9, 2022 at 7:11 PM Dennis Mungai wrote: > On Sat, 9 Jul 2022 at 14:01,

Re: [FFmpeg-user] Error: Impossible to convert between the formats...(Nvidia codecs)

Thank you DEF. The problem was solved by removing pix_fmt based on Dennis's recommendation. On Sat, Jul 9, 2022 at 5:45 PM DEF wrote: > On Sat, 9 Jul 2022 at 08:25, Ben Parham wrote: > > > > Hello, > > > > I try to use Nvidia codecs in live transcoding. The input

Re: [FFmpeg-user] Error: Impossible to convert between the formats...(Nvidia codecs)

rams) failed -> CUDA_ERROR_INVALID_VALUE: invalid argument Could you help me to fix this error please? On Sat, Jul 9, 2022 at 6:11 PM Dennis Mungai wrote: > On Sat, 9 Jul 2022 at 12:45, DEF wrote: > > > On Sat, 9 Jul 2022 at 08:25, Ben Parham wrote: > > > > > > Hello, &

Re: [FFmpeg-user] Error: Impossible to convert between the formats...(Nvidia codecs)

: Function not implemented Error while processing the decoded data for stream #0:0 Conversion failed! On Sat, Jul 9, 2022 at 3:30 PM Dennis Mungai wrote: > On Sat, 9 Jul 2022 at 10:25, Ben Parham wrote: > > > Hello, > > > > I try to use Nvidia codecs in live transcoding.

[FFmpeg-user] Error: Impossible to convert between the formats...(Nvidia codecs)

ormat cuda", the transcoding starts, but the decoded stream is sent to system memory. I prefer to keep it in GPU memory to decrease the latency. What should I do to fix this? I would appreciate any help. Regards, Ben. ___ ffmpeg-user mailing list f

[FFmpeg-user] FFmpeg refuses to build with requested architecture

, the library artefacts produced are both arm64 (verified with lipo -archs). Does anyone have any suggestions? Thanks, Ben Vining ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above

Re: [FFmpeg-user] time between releasinf /dev/videoX and using it again

Ah - it looks like this is the issue: https://www.raspberrypi.org/forums/viewtopic.php?f=28=197089 Though not entirely sure what is being done there! Looks like whatever it is is not an ffmpeg issue On Sun, Jun 20, 2021 at 11:13 AM Ben Barker wrote: > I am using ffmpeg to record from a

[FFmpeg-user] time between releasinf /dev/videoX and using it again

I am using ffmpeg to record from a UVC webcam for X seconds that appears as /dev/videoX I have found that if a recording finishes, and I try to start another with the same command within ~0.5 seconds, I occasionally get an error that the device is not available. I assume this is down to some

[FFmpeg-user] Webcam stream join delay?

Hi, I suspect this may be an inevitable result of what i am trying to do, rather than something that can be easily improved. but would welcome any suggestions: I have a 1080p webcam, which I can join with the following command: ffmpeg -hide_banner -f v4l2 -i /dev/video4 -an -vcodec copy -t 2

Re: [FFmpeg-user] Dealing with an intermittent rtsp source

Ben On Mon, May 31, 2021 at 4:39 AM Enrico Purisima wrote: > Hello Ben, > > I encounter a similar problem regularly and have written a few scripts to > monitor the progress of the ffmpeg and to kill and restart the ffmpeg > process if it's hung. There are three files in the zip

[FFmpeg-user] Dealing with an intermittent rtsp source

If I use ffmpeg to join an rtsp stream: ffmpeg -i rtsp:// -vcodec copy -an -f mp4 This works fine. However, if the rtsp source becomes unavailable briefly - for instance perhaps the network goes down, or the source is restarted, then ffmpeg hangs on: frame=xxx fps= 25 q=-1.0 q=-1.0 size=

[FFmpeg-user] Max keyframe Interval parameter: -g vs. -keyint ? Check in in existing MP4?

As far as I know there are two different possible parameters for the max keyframe interval: -g 30 OR -keyint=30 Whats the difference? Furthermore I wonder how I can check the max keyframe interval for an already existing MP4 (or AVI) video? Ist his possible? how? Ben

[FFmpeg-user] How to change internal Exif "creation time" NOT to UTC timestamp but to MEZ/MESZ in MP4 video?

ious on the long run. Isn't there a way to tell ffmpeg: "Hey ffmpeg, this is the UTC time. Put AUTOMATICALLY the MEZ zone time (winter time) or MESZ zone time (Summer time) in EXIF header" Thank you Ben ___ ffmpeg-user mailing lis

[FFmpeg-user] Could not find codec parameters for stream 1 (Audio: pcm_mulaw, 8000 Hz, mono, 64 kb/s): unspecified sample format

many packets buffered for output stream 0:0. Now I could increase analyzeduration & probesize, but no idea to what. Any help greatly apreciated. Ben ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-

Re: [FFmpeg-user] Video output distortion on ffpmeg live stream

don't want to build yourself, you can grab a static > binary from here and test with that: > > https://johnvansickle.com/ffmpeg/ > > (Left column, "git master", please.) Yes - again this is inside a docker build so it will take a little while to bring it up to dat

[FFmpeg-user] Video output distortion on ffpmeg live stream

I am helping build a node server that runs ffmpeg to stream a live WebRTC input to HLS and MPEGDASH. Often when the encoding starts it produces a corrupted video output that looks something like this (viewed using VLC): HLS output distorted image MPEGDASH

[FFmpeg-user] Is there an EXIF-like video header in *.MP4 files? Show and change without re-encoding?

From *.jpg pictures I know that there is a hidden header which contains e.g. info about the original creation time of the picture/photo. Is there something similar in *.MP4 video files? How can I use ffmpeg to show these data? How can I change the internal creation timestamp with ffmpeg? How

Re: [FFmpeg-user] remux AVI (H.264+MP3) to MP3 causes problems in browser; Missing PTS timestamps

Hello Carl Eugen Sorry for the questions: What means "mp3-in-isom"? How do I use an "MP4Box" to remux with ffmpeg? Ben -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http:

Re: [FFmpeg-user] remux AVI (H.264+MP3) to MP3 causes problems in browser; Missing PTS timestamps

ok, here it is: ffmpeg version 4.1 Copyright (c) 2000-2018 the FFmpeg developers built with gcc 8.2.1 (GCC) 20181017 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype

[FFmpeg-user] remux AVI (H.264+MP3) to MP3 causes problems in browser; Missing PTS timestamps

and Chrome) successfuly. So again: remuxing in ffmpeg has a bug with PTS Is there a way to remux correctly from AVI to MP4 container? Thank you Ben ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To u

[FFmpeg-user] How to add own, subtitles (resp. pure text) into existing MP4 video?

Assume I have an existing well-encoded MP4 video WITHOUT subtitles. Now I want to add the text "foobar testtext" with fontsize=18 and fontfamily Verdana into video beginning at 1min23sec and ending at 3min44sec centralized 30 pixels above lower border. How can I most easily achieve this with

Re: [FFmpeg-user] Concat with listing all files in command?

> Did you tried ffmpeg -i "concat:file1.ts|file2.ts|file3.ts" ? > But remember that concat input only accepts "headless" containers like mpg > or ts, mp4 isn't one of them. I need exactly such a command but for MP4s. According to your comment ffmpeg does not offer such a feature. Since this is

Re: [FFmpeg-user] setdar ratio - syntax

Sorrytypo on my part - I meant "dar" not "ratio" So I now have "setdar=dar=x/y" It seems that "setdar=x/y" would also work in exactly the same way However, "setdar=x:y" will not work, though it used to. Doesn't matter - it's working now!

Re: [FFmpeg-user] setdar ratio - syntax

Yep - just checked: Slashes do indeed work as expected, even if the "ratio" parameter is left out. However, I have left the "ratio" in for the moment, since it is what the manual suggests, so less likelihood of future problems! On Sun, Nov 25, 2018 at 8:44 AM Kieran O Leary wrote: > On Sun,

[FFmpeg-user] setdar ratio - syntax

I have previously, and for some years, used the scale and setdar filters as below: ffmpeg -i -vf scale=352:288,setdar=352:288 In the example above, the dar would be set to the ratio 355/288, with the setdar passed a ratio separated by a colon. I built ffmpeg from git today, the first time in

Re: [FFmpeg-user] Concat with listing all files in command?

> No intermediate file is used in above command, you simply have > to provide the names of the files you want to concatenate. Hmm, filelist.txt IS an INTERMEDIATE file! I wrote all the filenames (line by line) to concatenate into this file and it works. However I want to omit it and use a

[FFmpeg-user] Concat with listing all files in command?

ant to change the command so that no intermediate file is necessary any more. How can I achieve this? The following command does NOT work: ffmpeg.exe" -f concat -safe 0 -i "D:\clips\firstfile.mp4" "D:\clips\secondfile.mp4" "D:\clips\thirdfil

[FFmpeg-user] Check the real video file container and the correctnes of meta structures

container (not paying attention to the extension but at the internal structures) and verify the correctness of the internal metastructures (header fields, trrack definitions,) Ben ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailma

[FFmpeg-user] Re-packing video in new container file really working for all container types (AVI, MP4 MKV, WMV) and codecs?

y restrictions which require a re-encoding anyway? Thank you Ben ___ 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 with subject "unsubscribe".

[FFmpeg-user] How to calculate the real (!) average variable video bitrate of a whole video with ffmpeg?

. In rare cases they do not even show a value at all. I could imagine that I can pass the video to ffmpeg and let it calculate the real variable video bitrate for the WHOLE video. How does that work? Ben ___ ffmpeg-user mailing list ffmpeg-user

[FFmpeg-user] let ffmpeg auto-calc height value when specifying (new) width while keeping aspect ratio?

the appropriate height by using the specified width and the given aspect ratio? Thank you Ben ___ 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-user] Parameters for "framerate" and "keyframe interval"?

? Thank you Ben ___ 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 with subject "unsubscribe".

[FFmpeg-user] Will ffmpeg always use the existing orig.parameters when no new are specified on cmdline for re-encoding?

-useotherparmsfrominput .. Ben ___ 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 with subject "unsubscribe".

[FFmpeg-user] FFMpeg encoding error: "height not divisible by 2" - Recommended dimesion 1680 x ??? with aspect 16:9

by 2" Hmm, can this really be? What is the recommended height otherwise? Is there no auto-adjustment in ffmpeg? Ben ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above

Re: [FFmpeg-user] Can I get some help converting .sec files?

Sorry saw you send response too late. Yes on a linux console running a version of Debian Stretch called Raspbian on the Raspberry Pi IoT hardware On Fri, Aug 31, 2018 at 12:57 PM ben pecheux wrote: > no on a bash shell on raspbian linux > > On Fri, Aug 31, 2018 at 12:54 PM Scot

Re: [FFmpeg-user] Can I get some help converting .sec files?

no on a bash shell on raspbian linux On Fri, Aug 31, 2018 at 12:54 PM Scott Johnson < scott.wilty@ffbox0-bg.ffmpeg.org> wrote: > Hi, > > in CMD on windows. > > Scott. > > -Original Message- > From: ffmpeg-user On Behalf Of LH > Sent: August 31, 2018 1:42 PM > To:

[FFmpeg-user] ffmpeg fail to open rtsps stream on rapsbian

below). I am not sure what is missing or if I am using a version of ffmpeg that does not support rtsps streams or if I am missing codecs or some protocol support. I tried the same command on my mac and it works (see mac output below) Thanks Ben *pi@raspberrypi:~/Documents/test_arlo $ ffmpeg -re

Re: [FFmpeg-user] Timeout when joining multicast streams from SDP

Ah - that /was/ the correct place. I was calling the installed ffmpeg, not the one I had just rebuilt! On Mon, Feb 27, 2017 at 9:29 AM, Ben Barker <b...@bbarker.co.uk> wrote: > No, but the comments at the top of rtsp.c describe it as: > > * RTSP/SDP client > * Copyrigh

Re: [FFmpeg-user] Timeout when joining multicast streams from SDP

No, but the comments at the top of rtsp.c describe it as: * RTSP/SDP client * Copyright (c) 2002 Fabrice Bellard So I was at least hopeful I was in the correct place :-) On Mon, Feb 27, 2017 at 9:27 AM, Carl Eugen Hoyos <ceffm...@gmail.com> wrote: > 2017-02-27 10:23 GMT+01:00 Ben

Re: [FFmpeg-user] Timeout when joining multicast streams from SDP

ffmpeg -protocol_whitelist file,udp,rtp -i test.sdp -f rawvideo -y /dev/null ffmpeg version N-83574-g947fdad Copyright (c) 2000-2017 the FFmpeg developers built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-17) configuration: --prefix=/root/ffmpeg_build

[FFmpeg-user] Timeout when joining multicast streams from SDP

I have an SDP file that I use to directly join a multicast video stream: ffmpeg -protocol_whitelist file,udp,rtp -i test.sdp Due to some ongoing network issues, a succesful join can take up to 60 seconds. However, after 10 seconds, the above times out with: Output file #0 does not contain any

Re: [FFmpeg-user] HEVC Video Transcode Transfer VUI, SEI Information

ts and including metada in VUI & SEI. NVENC for example. Thanks, Ben --- This email message is for the sole use of the intended recipient(s) and may contain confidential information. Any unauthorized review

Re: [FFmpeg-user] HEVC Video Transcode Transfer VUI, SEI Information

nowledge after I sent the email. I'm new the this list. How can I prevent it next time? Thanks, Ben -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Carl Eugen Hoyos Sent: Thursday, February 16, 2017 3:22 PM To: FFmpeg user questions Subject: Re: [F

[FFmpeg-user] displaying rtp sequence number using ffprobe

Hi, I'm attempting to use ffprobe to check the number of dropped RTP packets in a stream I am receiving. I have managed this to some extent by joining the stream using ffmpeg, and capturing/parsing the stderr messages about RTP drops, which works, but I wondered if there were a better way...

[FFmpeg-user] ffmpeg and stream analysis

either way, Ben ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] Query about dealing with duplicate multicast packets

pr 2, 2016 at 9:16 PM, Moritz Barsnick <barsn...@gmx.net> wrote: > On Sat, Apr 02, 2016 at 16:42:52 +0100, Ben Barker wrote: > > So maybe this would be a better place to deal with the problem...simply > > don't add the packet to the queue if the two sequences are identical > he

Re: [FFmpeg-user] Query about dealing with duplicate multicast packets

h the problem...simply don't add the packet to the queue if the two sequences are identical here... On Sat, Apr 2, 2016 at 4:23 PM, Ben Barker <b...@bbarker.co.uk> wrote: > Yes - that's the line I was looking at. I have recompiled with a return > value of 0 - certainly it hasn't made

Re: [FFmpeg-user] Query about dealing with duplicate multicast packets

bers seen don't quite seem to pan out either - as you suggest if that was what was happening you'd expect to see the maximum possible unsigned integer value, whereas my values vary On Sat, Apr 2, 2016 at 2:42 PM, Moritz Barsnick <barsn...@gmx.net> wrote: > Hi Ben, > > On

[FFmpeg-user] Query about dealing with duplicate multicast packets

I have a multicast network that occasionally has config problems, and when it does it is fairly common that instances of ffmpeg joining UDP multicast video streams will receive duplicate packets. Looking at the streams in wireshark the duplicates can clearly be seen - with identical sequence

Re: [FFmpeg-user] Protocol whitelist and SDP files

if, for example, opening a local video file. I assume that is the intention behind the change...? On Thu, Feb 18, 2016 at 12:01 AM, Ben Barker <b...@bbarker.co.uk> wrote: > Evening, > > I have just built ffmpeg: > > ffmpeg version N-78589-g5f5467e Copyright (c) 2000-2016 the FFmpeg &

[FFmpeg-user] Interpretation of ffmpeg errors and repairing them

I investigated the integrity of some *.avi video files with a ffmpeg command like ffmpeg -loglevel warning -i -f null - Most of them are correct but some of them show various errors: 1.) [ac3 @ 02a80800] frame sync error Error while decoding stream #0:1: Invalid data found when

[FFmpeg-user] Verify integrity of a video file?

I want to verify (on Win 7) the integrity of a video file (e.g. *.avi or *.mp4 or *.mkv) Therefore I enter according to some suggestions: ffmpeg -i videofile.avi -f null - This seems to work. However a lot of "normal" stuff is outputted as well. I only want an output message in case of error.

[FFmpeg-user] Can I run TWO ffmpeg processes in parallel?

Can I run TWO ffmpeg encoding or verification processes in parallel on the same computer? Or do they interfere each other because they e.g use the same temporary files or caches or internal config files or .? ___ ffmpeg-user mailing list

[FFmpeg-user] using ffmpeg to make mp4 from png file series

by 2 (455x450) I assume this means my input file width should be divisible by 2. I used ImageMagick convert to create png files with an even number of pixels in width, but it did not solve the problem. Can anybody help? Thanks, Ben Foster fos...@ucar.edu [foster@yslogin6 oplus_maps_zp1.movie

Re: [FFmpeg-user] using ffmpeg to make mp4 from png file series

Lou, Thanks a lot for your prompt reply. I will follow your suggestions and get back to you if I have more problems. --Ben On Wed, Jun 24, 2015 at 3:46 PM, Lou l...@lrcd.com wrote: On Wed, 24 Jun 2015 14:40:16 -0600 Ben Foster fos...@ucar.edu wrote: Hi, I have a series of png files

Re: [FFmpeg-user] Capture android device screen

http://ffmpeg.org/pipermail/ffmpeg-user/2013-January/012941.html Any luck with solving this issue? I am facing the same problem myself. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user