Re: [FFmpeg-user] Detelecine: I got the right result from the wrong command?

And one quick note, my external video player (IINA and VLC) seems to not like it if I don't include "-pix_fmt yuv420p" Otherwise I get strange screen tearing issues. On Wed, May 28, 2025 at 9:30 PM Alex Xu wrote: > I tried running your exact command and got the same result. D

Re: [FFmpeg-user] Detelecine: I got the right result from the wrong command?

I tried running your exact command and got the same result. Dropped frame 173 and a later duplicated frame. I've attached 15 frames here of the results. https://drive.google.com/drive/folders/139rjLqsxIuAO_3yzVNe4dD7-gI9YPRgn?usp=drive_link I've attached 5 frames each of the original input, usin

Re: [FFmpeg-user] Detelecine: I got the right result from the wrong command?

ayfyy/detelecine_input.mkv/file On Wed, May 28, 2025 at 5:47 PM Mark Filipak wrote: > On 28/05/2025 19.18, Alex Xu wrote: > > Anyways, I tried: > > > > ffmpeg -i detelecine_input.mkv -vf > > "fieldmatch,decimate,drawtext=fontfile=Arial.ttf: text='%

Re: [FFmpeg-user] Why does the 'detelecine' filter exist?

ote: > > On Wed, May 28, 2025 at 9:19 PM Mark Filipak > > > wrote: > > > >> On 28/05/2025 15.39, Alex Xu wrote: > >>> I recently used the detelecine command in this thread: > >>> https://ffmpeg.org/pipermail/ffmpeg-user/2025-May/059249.html > >&

Re: [FFmpeg-user] Detelecine: I got the right result from the wrong command?

Whoops, looks like I got cut off, the above command still has same issue of duplicated frames 174+175 and skipped 173 On Wed, May 28, 2025 at 4:18 PM Alex Xu wrote: > When I said, "doesn't matter" I meant that the issue of duplicated frames > 174+175 and skipped 173. Y

Re: [FFmpeg-user] Detelecine: I got the right result from the wrong command?

73. In case you missed it, my test file was in the first message of the chain. And using the detelecine filter got me the right result (with wrong params?) On Wed, May 28, 2025 at 3:54 PM Mark Filipak wrote: > On 28/05/2025 18.46, Alex Xu wrote: > > I put it there since it was in Huspnet

Re: [FFmpeg-user] Detelecine: I got the right result from the wrong command?

I put it there since it was in Huspnet's original command. I don't think it matters, same problem occurs if I omit it or use -r 24000/1001 instead. On Wed, May 28, 2025 at 3:41 PM Mark Filipak wrote: > On 28/05/2025 18.36, Alex Xu wrote: > > Got the same problematic result

Re: [FFmpeg-user] Detelecine: I got the right result from the wrong command?

lect='not(eq(n,1002)+eq(n,2003)+eq(n,3004)+eq(n,4005)) Since I noticed that the original file had a duplicated frame every 1000 or so frames. The sample file does not reach 1000 frames and I didn't mention it earlier for simplicity. Alex On Wed, May 28, 2025 at 3:28 PM Mark Filipak

Re: [FFmpeg-user] Detelecine: I got the right result from the wrong command?

the correct result? anyways, thanks for looking into it, maybe this is a filter bug? Ultimately I did get the correct result (with the wrong params?) Alex On Thu, May 22, 2025 at 7:27 PM Huspnet wrote: > > > > On May 22, 2025, at 9:04 PM, Huspnet wrote: > > > > H

Re: [FFmpeg-user] Why does the 'detelecine' filter exist?

I recently used the detelecine command in this thread: https://ffmpeg.org/pipermail/ffmpeg-user/2025-May/059249.html I got strange results with the `fieldmatch+decimate` combo, where decimate wasn't removing the correct frame. I also got strange results with the `pullup` filter. This may just be

Re: [FFmpeg-user] Detelecine: I got the right result from the wrong command?

The video is telecined, not interlaced. On Fri, May 16, 2025 at 11:39 PM Richard Bartczak via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote: > Am 17.05.25 um 06:03 schrieb Alex Xu: > > Hi everyone, > > > > I'm working to detelecine a video, attached here (12 MB

[FFmpeg-user] Detelecine: I got the right result from the wrong command?

hy the correct result was start_frame=3:pattern=2332. Examining the video, it seems pretty clear to me the pattern should be 23. Since it has two interleaved frames. I learned about 23 from https://en.wikipedia.org/wiki/Telecine#2:3_pulldown Could someone explain the g

[FFmpeg-user] Overlapping frames issue with -seek_frames_individually set to false

ble to fix this issue and get a single frame in the result? Thank you, Alex MacLean ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmp

[FFmpeg-user] I try to use libvvenc for encoding and get only "speed=0.0991"

i qsv drm opencl ``` I have also run a encode with av1 and this was quite fast. ``` ffmpeg -hide_banner -i testfile.mp4 -c:v libsvtav1 -c:a copy testfile-manual_libsvtav1.mkv ``` That's the test files in the directory. ``` ls -larth testfile* -rw-r--r-- 1 alex alex 339M Okt 17 14:3

Re: [FFmpeg-user] Issues deinterlacing DirectShow input with ffplay

On Tuesday, April 19th, 2022 at 2:03 AM, Roger Pack wrote: > Can you replicate it not using dshow? Not in any way that I know of. I recorded raw output from the capture card (using -c copy) to an AVI, and when playing the file with ffplay the yadif filter works fine (also when piping the file th

Re: [FFmpeg-user] Issues deinterlacing DirectShow input with ffplay

On Sunday, April 10th, 2022 at 1:18 AM, Roger Pack wrote: > Input frame rate is still the same both ways? Yes, 29.97 fps either way (didn't realize that it's covered in the video; the log files should have everything though). Alex __

[FFmpeg-user] Increasing lags when using ffmpeg for streaming audio from microphone

che and nginx are tailored for video streaming. Is the scenario I described feasible at all? What troubleshooting steps could I try? Best wishes to everyone, and I look forward to your feedback, Alex ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.

Re: [FFmpeg-user] Advice on using silence removal

that both ends are without silence 5. normalize it to the max value returned by `volumedetect` ffmpeg -i out-05-silence-fade.wav -af "volume=18.2 dB" out-06-normalized.wav Thanks again for your assistance, I greatly appreciate it. If anyone comes up w

[FFmpeg-user] Advice on using silence removal

ng fruits that I can try, or if I'm not on the right track. I imagine that the solution I need would somehow determine the silence threshold relative to the rest of the file, instead of using a "one fits all" value. However I did not find such filters or analyzers in ffmpeg. Your gui

[FFmpeg-user] Issues deinterlacing DirectShow input with ffplay

I'm using ffplay as a live preview for my capture card, and I'm trying to use the yadif filter in mode 1 (send_field) to deinterlace the 59.94i input to 59.94 fps. Using this command works as expected: ffplay -f dshow -i video="SA7160 PCI, Analog 01 Capture" -vf yadif=1 However, if I try the s

Re: [FFmpeg-user] Problem with changing options at runtime with a command

res: i tried a a few combinations with no luck *@Michael *i agree that the doc could be a bit cleare. as you can see i got my idears from the only example i could find and that was from drawtext. vh Alex On Sat, Jul 3, 2021 at 3:12 PM Michael Koch wrote: > Am 03.07.2021 um 15:06 schrieb

[FFmpeg-user] Problem with changing options at runtime with a command

tun is: Command reply for stream 0: ret:0 res: and the text turns red what am i missing? -- Bedste hilsner / Best regards Alex ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit

Re: [FFmpeg-user] ffmpeg http filter?

Server just do post processing of raw rgb image/frame and return it as response for request.Something like so: POST http://localhost:8080 --- Original message --- From: "Edward Park"  Date: 8 September 2020, 02:19:21 Hi, > ffmpeg -i test.jpg -vf format=rgb24,http=localhost:8080 -y out.jpg I

Re: [FFmpeg-user] ffmpeg http filter?

from remote server, format + add overlay) => (ffmpeg encode frame/image to output format) => out.jpg --- Original message --- From: "James Darnley"  Date: 8 September 2020, 12:44:57 On 08/09/2020, Alex <3.1...@ukr.net> wrote: > I need to send raw frame/image to server for

[FFmpeg-user] ffmpeg http filter?

I need to send raw frame/image to server for post processing and server returned new image that I need to complete with ffmpeg. Do any one know how to do this? Somethink like that: ffmpeg -i test.jpg -vf format=rgb24,http=localhost:8080 -y out.jpg ___ f

Re: [FFmpeg-user] Error extracting srt

Thank you SO much Moritz! On Fri, Aug 7, 2020 at 12:20 PM Moritz Barsnick wrote: > On Wed, Aug 05, 2020 at 22:28:15 +0100, Alex Zachopoulos wrote: > > This is the command I use to extract Stream #0:2 (subtitle) from file > ^^ This is an

[FFmpeg-user] Error extracting srt

] Invalid stream specifier: s:0.2.* *Last message repeated 1 times* Like I said, the same command works without a hitch on the MacPro. Anyone can help with any pointers, it'll be much appreciated. Alex ___ ffmpeg-user mailing list ffmpeg

[FFmpeg-user] Sound level measuring on the 2nd audio stream

fprobe cannot measure the 2nd audio stream and this is a bug. Am I right? WBR Alex ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] disabling scene detection

> On Mar 10, 2020, at 1:04 AM, Gyan Doshi wrote: > >  > >> On 10-03-2020 12:49 pm, Alex Teslik wrote: >> Hello, >> >> I have an image sequence of line drawings where the drawings change >> abruptly. Ffmpeg is resetting the frame numbers that

[FFmpeg-user] disabling scene detection

Hello, I have an image sequence of line drawings where the drawings change abruptly. Ffmpeg is resetting the frame numbers that I am burning in using the drawtext option every time there is an abrupt change. Here is the command I am using, and the output: ffmpeg.exe -y -r 10 -i final-%d.pn

[FFmpeg-user] Can't select appropriate encoder

Hi, I am piping a buffer to ffmpeg in my c code. I am using ffmpeg version 3.2.10-1~deb9u1+rpt1 on the raspberry pi. Ffmpeg is giving me issues with the following line. pipeout = popen("ffmpeg -y -f s32be -ar 131072 -ac 1 -i -c:a pmc_s32be hydro.wav, "w"); When I run the code, ffmpeg does not li

Re: [FFmpeg-user] Is it vp9_qsv encoder work on i9-9900k CPU?

Thank for answer! --- Исходное сообщение --- От кого: "Dennis Mungai"  Дата: 19 ноября 2019, 20:18:35 On Tue, 19 Nov 2019 at 21:02, Alex <3.1...@ukr.net> wrote: > > I'am build on linux the latest git version of ffmpeg but conversion failed, > so is it vp9_qsv encod

[FFmpeg-user] Is it vp9_qsv encoder work on i9-9900k CPU?

I'am build on linux the latest git version of ffmpeg but conversion failed, so is it vp9_qsv encoder must work on i9-9900k or we need to wait before new next gen CPU will be released by Intel?Alex ___ ffmpeg-user mailing list ffmpeg-user@ffmpe

Re: [FFmpeg-user] overlay_cuda

Ok, thanks for answering.If any one read this email and want to create overlay_cuda filter then contact me please (kirpasaccess...@gmail.com), and I can pay for it! Alex --- Исходное сообщение --- От кого: "JackDesBwa"  Дата: 8 ноября 2019, 18:12:33 2019-11-08 16:27, Alex <3

Re: [FFmpeg-user] overlay_cuda

dictators and assholes, but certainly not in sane social interactions with human beings. A concise rational is the absolute minimum IMHO. By the way Alex, ffmpeg developers are volunteers human beings, not slaves that develop what you might need. It is a tremendous money-equivalent job you aske

[FFmpeg-user] overlay_cuda

We have overlay, overlay_qsv, overlay_opencl filters but don't have overlay_cuda for speed up transcoding videos on nvidia GPU only. Using sw overlay filter is slow down the transcoding because frames copied between CPU and GPU ram. Can You implement overlay_cuda filter, please?

[FFmpeg-user] ffmpeg hwmap SW decoded frame to OpenCL and hwmap back to h264 for SW encode

I trying speed up process and avoid copy frames between GPU and CPU. But got error: "Segmentation fault: 11", so may be I'm doing something wrong? My full ffmpeg command and log here: ./ffmpeg -i ../720.mp4 -init_hw_device opencl=ocl:0.1 -filter_hw_device ocl  -filter_complex "hwmap,avgblur_ope

Re: [FFmpeg-user] TEE muxer and missing mpegts_flags

:select=\'0,2\']udp://239.99.33.33:6000?pkt_size=1316&ttl=15" And actually now does exactly what I need. Thank you, really Alex -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Gyan Sent: 26 June 2019 12:38 To: ffmpeg-user@f

[FFmpeg-user] TEE muxer and missing mpegts_flags

00?pkt_size=1316': error writing header: Invalid data found when processing input Where am I wrong? Any suggestion? Thanks in advance. Alex Molon ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsub

Re: [FFmpeg-user] Streaming overseas

AM Mustafa Al Ani wrote: > I second Alex, > > We use SRT to send low latency stream from Copenhagen Denmark to NY, Ohio, > and LA in the USA. > > R, > Mustafa > > On Thu, Dec 20, 2018 at 4:30 PM Alex Molon > wrote: > > > SRT forever! > > > >

Re: [FFmpeg-user] filter_complex and map. Am i confused or bug?

Hi Gyan, Thanks a lot, Seems to work as expected now :) Alex Molon -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Gyan Sent: 31 January 2019 12:59 To: ffmpeg-user@ffmpeg.org Subject: Re: [FFmpeg-user] filter_complex and map. Am i confused or

Re: [FFmpeg-user] filter_complex and map. Am i confused or bug?

am #0:2: Audio: aac (LC), 48000 Hz, stereo, fltp, 128 kb/s Metadata: encoder : Lavc58.35.100 aac frame= 228 fps= 39 q=-1.0 Lq=-1.0 size=1832kB time=00:00:10.00 bitrate=1500.3kbits/s speed=1.69x Thanks in advance, Alex Molon -Original Message- From: ffmpeg-user [mailt

Re: [FFmpeg-user] filter_complex and map. Am i confused or bug?

ibx264 Side data: cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1 Stream #0:2: Audio: aac (LC), 48000 Hz, stereo, fltp, 128 kb/s Metadata: Thanks in advance, Alex -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Carl

[FFmpeg-user] filter_complex and map. Am i confused or bug?

se filter_complex and map, or is there any possible bug preventing the mechanism to work properly? Thanks in advance, Alex Molon ___ 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] piping raw audio data from c buffer

Hi, I have written C code that subscribes to a UDP multicast group, and stores the raw (hex) incoming audio data into a buffer. I was wondering if there is a way of piping this buffer with the raw audio data to ffmpeg within the C code in order to play the audio. I have seen examples of .wav file

[FFmpeg-user] down sampling

Hi, Hopefully this is an appropriate question for the forums. My goal is to receive a live audio stream that is being sampled at 131,072 Hz and re-sample it at 44.1 kHz before outputting it through my computers speakers. Is this a task ffmpeg can perform? Thank you. _

Re: [FFmpeg-user] Streaming overseas

SRT forever! Simple, stable, low latency, transports any MPEG-TS content. It is designed expressely for hi quality streams over internet. Alex :) -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Louis Letourneau Sent: 05 November 2018 18:44 To

Re: [FFmpeg-user] ffplay RTP: dropping old packet received too late

Did you try to use -f rtp_mpegts ? -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Gáll Péter Sent: 28 September 2018 09:49 To: ffmpeg-user@ffmpeg.org Subject: [FFmpeg-user] ffplay RTP: dropping old packet received too late I have a machine which

[FFmpeg-user] Can't copy ripped DVD stream due to timestamp issues

rite_frame(): Invalid argument frame=1 fps=0.0 q=-1.0 Lsize= 1kB time=00:00:00.00 bitrate=N/A speed= 0x video:52kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown Conversion failed! Is there a way that I can concate

[FFmpeg-user] Hap_q_alpha is it possible?

source.mov -vcodec hap -format hap_q_alpha target.mov I'm on win7 Thanks Alex -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit

[FFmpeg-user] Alex Mihalev - Question on having output to a Decklink card

Hello there! I am new to FFMPEG and would like to apologize if I am asking an obvious question, though, I looked and didn't find much information on the topic. It is about playing a Multicast stream to Decklink Monitor Card SDI output. I am using Debian 8 with its "apt-get install ffmpeg" so

Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture

-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Roger Pack Sent: Tuesday, February 27, 2018 8:03 PM To: FFmpeg user questions Subject: Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture consider also libx264 "ultrafast" preset, GL! On Tue, Feb 13, 2018 at 7:57 AM, Alex P wrote: &

Re: [FFmpeg-user] Fisheye-equirectangular in real time

What is the source of the video? From my quick googling, lens information and other metadata is needed for fisheye to equirectangular conversion. -Alex P -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Edward Bellamy Sent: Wednesday, February

Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture

tshow Video Capture On Tue, Feb 13, 2018 at 6:57 AM, Alex P wrote: > I think I've figured it out. When I use nv12 or yuv420p as the input > and output pixel format, I get x1 performance. If I use bgr24/rgb24 as > the input and yuv444p as the output, I get around x0.3. > Look

Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture

I think I've figured it out. When I use nv12 or yuv420p as the input and output pixel format, I get x1 performance. If I use bgr24/rgb24 as the input and yuv444p as the output, I get around x0.3. But even when I use bgr0 for the input and output, I get less than x1. Does anyone know what exactl

Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture

eg.org] On Behalf Of James Girotti Sent: Monday, February 12, 2018 3:31 PM To: FFmpeg user questions Subject: Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture Hi Alex, I looked at your attached log. It appears to me that using libx265, your computer cannot encode fast enough. It appears your

Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture

uot;MZ0380 PCI, Analog 01 Capture" -c:v rawvideo raw.nut Only gets me x0.5 and the buffer overflows. Is there a way of accelerating rawvideo decoding? Would using my colleagues 1080 make a difference? Thanks. -Alex P -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@

Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture

ct: Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture On Mon, Feb 12, 2018 at 7:37 AM, Alex P wrote: > Windows 10 > > Intel i7-8700K > > GTX 1050Ti > > 16GB DDR4 > > SATA Samsung Evo > > > > I'm using a Yuan 4K60 capture card with the end goal of captu

[FFmpeg-user] 4K 60Hz Directshow Video Capture

Windows 10 Intel i7-8700K GTX 1050Ti 16GB DDR4 SATA Samsung Evo I'm using a Yuan 4K60 capture card with the end goal of capturing the video in a lossless format. I need it to be lossless as the clips will be used to test hardware h264 encoders. Product page: http://www.yuan.com.tw/prod

Re: [FFmpeg-user] Bitrate range when streaming to udp

ools but in the source file? Is it possible to prepare the file better in order to get better result stream bitrate? Or, is the result stream bitrate independent of the source file? WBR Alex 12.01.2018 16:20, Carl Eugen Hoyos пишет: > 2018-01-12 12:56 GMT+01:00 Alex Alex : > >> Does mu

Re: [FFmpeg-user] Bitrate range when streaming to udp

OK thank you. I'm sorry. Just one more question (maybe, stupid one). Does multicast bitrate depend on a source file features? Is it possible to prepare the file better for getting smoother output bitrate? WBR Alex. 10.01.2018 04:36, Carl Eugen Hoyos пишет: > 2018-01-09 23:37 GMT+01

[FFmpeg-user] Bitrate range when streaming to udp

mps from almost zero to 12 Mbps: http://image.ibb.co/cqrhPw/ffmpeg_stream.png I made a lot of attempts to change some parameters but nothing helped. Is it possible to get smoother bitrate? I don't even dream about CBR but I would be happy to get 3-5

[FFmpeg-user] Encoding 4K 60Hz lossless from a capture card

ay. Any help would be greatly appreciated. Thank you. -Alex P ___ 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".

Re: [FFmpeg-user] RTSP to HLS re-stream stops with “No more output streams to write to, finishing.”

e without dying. Of course the encoding stops... Alex -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Tim Williams Sent: 18 October 2017 14:11 To: ffmpeg-user@ffmpeg.org Subject: Re: [FFmpeg-user] RTSP to HLS re-stream stops with “No more output

[FFmpeg-user] Multiple live input stops when one input is lost

ffmpeg to go ahead streaming only the available input until the lost input is back again? Kind regards, Alex Molon CTO alex.mo...@vision247.com<mailto:alex.mo...@vision247.com> Vision247(tm) Chiswick Park 2nd Floor, Building 10 566 Chiswick High Road London, W4 5XS, UK t:+44 20 7636 7474 f:

Re: [FFmpeg-user] SRT Secure Reliable Transport support.

discussions Subject: Re: [FFmpeg-user] SRT Secure Reliable Transport support. On Thu, Sep 28, 2017 at 17:40:03 +0100, Alex Molon wrote: > Any hope for this to be supported in FFMPEG anytime soon? > http://www.srtalliance.org/ > It would be something reeally nice The request is t

[FFmpeg-user] SRT Secure Reliable Transport support.

Hi All, Any hope for this to be supported in FFMPEG anytime soon? http://www.srtalliance.org/ It would be something reeally nice Kind regards, Alex Molon CTO alex.mo...@vision247.com<mailto:alex.mo...@vision247.com> Vision247(tm) Chiswick Park 2nd Floor, Building 10 566 Chiswic

Re: [FFmpeg-user] missing h264_cuvid

I think the problem is more on the decoder you are using. Apparently your ffmpeg is compiled to support cuvid but if your stream is dvb-s mpeg2 maybe you should use this decoder: V. mpeg2_cuvid Nvidia CUVID MPEG2VIDEO decoder (codec mpeg2video) Alex -Original Message

Re: [FFmpeg-user] Possible bug in TEE muxer.

It wooorkkks :) Thanks a lot! Really :) Alex -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Moritz Barsnick Sent: 18 July 2017 00:20 To: FFmpeg user discussions Subject: Re: [FFmpeg-user] Possible bug in TEE muxer. On Mon, Jul 17, 2017 at

Re: [FFmpeg-user] Possible bug in TEE muxer.

eg-user-boun...@ffmpeg.org] On Behalf Of Alex Molon Sent: 15 July 2017 14:05 To: FFmpeg user discussions; FFmpeg user questions Subject: Re: [FFmpeg-user] Possible bug in TEE muxer. Sorry i wrote ssh:// by mistake actually i'm having the issue with sftp:// urls Get Outlook for Android<

Re: [FFmpeg-user] Possible bug in TEE muxer.

Sorry i wrote ssh:// by mistake actually i'm having the issue with sftp:// urls Get Outlook for Android<https://aka.ms/ghei36> On Fri, Jul 14, 2017 at 7:03 PM +0100, "Moritz Barsnick" mailto:barsn...@gmx.net>> wrote: On Fri, Jul 14, 2017 at 10:33

[FFmpeg-user] Possible bug in TEE muxer.

ashes before the : but nothing happened. I found the same behaviour in different versions of ffmpeg. What am I doing wrong? Thanks in advance. Cheers Alex Molon ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmp

Re: [FFmpeg-user] FPS drop when transcode 3 Full HD channel to SD

How many CPUs / cores are you using? Transcoding FullHD in SD, without using any hardware accelleration for more than two channels seems a quite huge load. It can be simply your CPU cannot go fast enough -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behal

Re: [FFmpeg-user] Unknown encoder 'libfdk-aac'

And in any case, even if compiled correctly, the encoder is called "libfdk_aac" with the underscore, not libfdk-aac Cheers Alex Molon From: ffmpeg-user [ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Carl Eugen Hoyos [ceffm...@gmail.com] Sent: 2

Re: [FFmpeg-user] AAC LATM Encoding

so on. Cheers Alex Molon -Original Message- From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Carl Eugen Hoyos Sent: 23 February 2017 13:24 To: FFmpeg user questions Subject: Re: [FFmpeg-user] AAC LATM Encoding 2017-02-23 10:37 GMT+01:00 Rashed : > I am trying to

[FFmpeg-user] Scaling a video with multiple different resolutions

I have a webm file that has multiple different resolutions in it (it's a screen capture of a window that changes dimensions). https://www.dropbox.com/s/ptueirabmmht0fr/4be7fdb7-d7e9-41b4-ba26-e20a3eeb6026.webm?dl=0 Is there any way to "normalize" the dimensions and output a video of a constant re

Re: [FFmpeg-user] Question about video compositing

Ah, thanks a lot for the suggestion, but I should have been clearer that I need to do this in an automated fashion for arbitrary sets of videos so it has to be command-line (or a library I guess) so that I can integrate it into an automated pipeline in my app. Thanks, Alex On Tue, Jan 10, 2017

[FFmpeg-user] Question about video compositing

I have a question about video compositing. I’ve included the text of the question below but I’ve also put it in a gist for easier to read formatting here: https://gist.github.com/alexspeller/aefdd5a6d7100d28d0bbc4838527f797 I have multiple mp4 video files and I want to composite them into a single

[FFmpeg-user] Split RTSP stream to file and socket

Hello, As the subject suggests, I have an RTSP stream (from an IP camera). I'm trying to create two outputs: a file recording the stream, and a unix socket. Specifically, the file output is just an MP4 file. For the socket output I want to pass the stream through the 'fps' filter first. I tried

[FFmpeg-user] Invalid data found when processing input with TP-Link tl-sc3430

56. 4.100 / 56. 4.100 libavfilter 5. 40.101 / 5. 40.101 libavresample 2. 1. 0 / 2. 1. 0 libswscale 3. 1.101 / 3. 1.101 libswresample 1. 2.101 / 1. 2.101 libpostproc53. 3.100 / 53. 3.100 Alex ___ ffmpeg-user

[FFmpeg-user] recent ffserver won't pass codec parameters to a defined feed

Recent ffserver seems to have lost the ability to set or pass along codec parameters for a defined feed in ffserver.conf. Snapshot N-81008-g87e9cef shows broken behaviour. Git master shows broken behaviour. Snapshot N-79115-g65cff81 works correctly. To recreate: 1) Using git master, build ffmpeg

Re: [FFmpeg-user] amerge channel layout

#x27;t it possible to define a fix layout and mapping for the output stream to avoid this warning message? Thanks, Alex -- View this message in context: http://ffmpeg-users.933282.n4.nabble.com/amerge-channel-layout-tp4676437p4676459.html Sent from the FFmpeg-users mailing list archive at Nabble.

Re: [FFmpeg-user] amerge channel layout

The output file seems to be okay. I was a bit confused regarding the warning messages. Especially this one: "Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead". -- View this message in context: http://ffmpeg-users.933282.n4.nabble.com/amerge-ch

Re: [FFmpeg-user] amerge channel layout

Sorry, output again: ffmpeg version N-80123-gd74cc61-static Copyright (c) 2000-2016 the FFmpeg developers built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-17) configuration: --arch=64 --prefix=/root/ffmpeg-static/ffmpeg-build-script/workspace --extra-cflags=-I/root/ffmpeg-static/ffmpeg-build

Re: [FFmpeg-user] amerge channel layout

c) Press [q] to stop, [?] for help [mp4 @ 0x2e7c660] Starting second pass: moving the moov atom to the beginning ofthe file Thanks, Alex -- View this message in context: http://ffmpeg-users.933282.n4.nabble.com/amerge-channel-layout-tp46

[FFmpeg-user] amerge channel layout

er of distinct input channels So it isn't really a problem because the output audio stream is correct (stereo) "output layout will be determined by the number of distinct input channels". But how can I set a correct channel layout to avoid these warnings. Thanks, Alex -- View this

[FFmpeg-user] ffmpeg new version, some warning messages

m.codecpar instead. Thanks, Alex -- View this message in context: http://ffmpeg-users.933282.n4.nabble.com/ffmpeg-new-version-some-warning-messages-tp4676436.html Sent from the FFmpeg-users mailing list archive at Nabble.com. ___ ffmpeg-user ma

[FFmpeg-user] Feeding DVR to ffmpeg server, part 2

G-4 video, MPEG audio sound) Format mpeg NoAudio VideoBitRate 128 VideoBufferSize 40 VideoFrameRate 25 VideoSize 352x288 VideoGopSize 12 === ffserver.conf === Alex ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] Feeding DVR to ffserver

On 24.02.2016 18:04, Moritz Barsnick wrote: > Hi Alex, > although there's a lot of confusion on this thread, there is one thing > I can likely say: > > On Wed, Feb 24, 2016 at 17:41:47 +0300, Alex Povolotsky wrote: > >> [mpeg1video @ 0x808476400] MPE

Re: [FFmpeg-user] Feeding DVR to ffserver

On 24.02.2016 17:36, Alex Povolotsky wrote: >>> >>> File /tmp/feed1.ffm >> >> Can ffserver write to this location? Yes. Just in case: [16:59] superbook:~ % ls -ls /tmp/feed1.ffm 5 -rw-r--r-- 1 root wheel 4096 Feb 24 17:39 /tmp/feed1.ffm [17:39] superbook:~

Re: [FFmpeg-user] Feeding DVR to ffserver

On 24.02.2016 17:28, Jimmy Asher wrote: > FYI: This thread considers top posing “rude" > > > > On 2/24/16, 9:16 AM, "ffmpeg-user on behalf of Alex Povolotsky" > wrote: > >> Skipping comments: >> >> HTTPPort 8090 >> HTTPBindA

Re: [FFmpeg-user] Feeding DVR to ffserver

transferred 1 stat.html 10.187.11.6 HTTP/1.1HTTP_WAIT_REQUEST 0 0 0 Generated at Wed Feb 24 17:16:10 2016 On 24.02.2016 17:09, Jimmy Asher wrote: > > > > > > On 2/24/16, 9:04 AM, "ffmpeg-user on behalf of Alex Povolotsky&

[FFmpeg-user] Feeding DVR to ffserver

rams to compress the video? Where can I find good introduction for video processing with ffmpeg? Alex ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] Using drawtext for date/time

introduce that functionality. --  Alex On October 8, 2015 at 4:26:24 PM, Moritz Barsnick (barsn...@gmx.net) wrote: Hi Alex, On Thu, Oct 08, 2015 at 15:11:46 -0400, Alex Agranovsky wrote: > I’d like to burn a date/time using drawtext, based on PTS with the > addition of a specified ba

[FFmpeg-user] Using drawtext for date/time

basetime into account, func_strftime doesn’t take basetime into account, and uses current time rather than PTS. What is the reason the strftime expansion had been deprecated? Is there a current equivalent? Thanks. - Alex ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Audio Tapes - How to restore audio quality

Use audacity instead > On May 29, 2015, at 22:34, jd1008 wrote: > > I need to transfer a bunch of audio tapes to digital media. > But I would like to > 1. improve the signal to noise ratio. > 2. get rid of clicks and pops. > > Is there a way to do this using ffmpeg? >

[FFmpeg-user] MXF Replace Audio Streams while maintaining Data Closed Caption vbi_vanc_smpte_436M stream

Hello, Attempting to replace first two audio streams within a MXF File with two WAV audio streams. The below works if I remove Data stream but I need CC. Is there a way to copy over the data stream as well? /Applications/DevelopmentTools/ffmpeg/ffmpeg -i ~/Downloads/ExampleCopy.mxf -i -acodec co

[FFmpeg-user] Detecting blue frames.

Hello all. Is there a way to detect blue screen (usually generated by analog videotape equipment) using ffmpeg. I know there is a way to detect black screen. Below is a sample of what I have in mind. https://www.youtube.com/watch?v=fC_bO-4uwFk Thanks in advance. -Alex

Re: [FFmpeg-user] Right audio channel shifted

Alex wrote > VLC still said: > > http://s14.directupload.net/images/141014/r7h73d5b.jpg > > One other thing: I checked my database again and I have to verify over 300 > videos which are possibly affected by this bug. Is there a possibility > with ffmpeg to repair those file

Re: [FFmpeg-user] Right audio channel shifted

Moritz Barsnick wrote > On Tue, Oct 14, 2014 at 06:35:07 -0700, Alex wrote: >> thanks for your help, works great! The mapping thing is still a bit >> confusing to me. :) > > :-) > >> One last problem: I would like to set the sample format of the second >>

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