Re: [FFmpeg-user] how ffmpeg use network streaming as input?

Hi Zhangkai, I do have the same issue. I have send one mail to ffuser group for more help. with Subject "Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future" On Wed, Jul 18, 2018 at 8:47 AM, zhangkai.gis wrote: > Hi Mohammed, > Eventually, I u

Re: [FFmpeg-user] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future

Could someone help-us on this ? On Tue, Jul 17, 2018 at 11:06 AM, zhangkai.gis wrote: > I met the same problem. > > zhangkai > 2017-07-17 > > > > From:Mohammed Sha > Date:2018-07-16 16:04 > Subject:[FFmpeg-user] Timestamps are unset in a packet for stream 0. This > is deprecated and will stop w

Re: [FFmpeg-user] how ffmpeg use network streaming as input?

Hi Mohammed, Eventually, I use a fifo as my input.I can saw the video now. still have problem with the RTP frame's timestamp.But It's another problem :) Thanks, zhangkai 2018--07-18 From:Mohammed Sha Date:2018-07-13 22:46 Subject:Re: [FFmpeg-user] how ffmpeg use network streaming as input? To:

[FFmpeg-user] Setting start time of .webm file affects duration?

I noticed an odd behavior with .webm files I'm encoding using ffmpeg. I have a source segment with a duration of 6 seconds and a start time of 12 seconds (it's the 3rd segment from a longer clip): Input #0, mpegts, from 'segment-2.ts': Duration: 00:00:06.00, start: 12.00, bitrate: 168361 kb

Re: [FFmpeg-user] Defog/Dehaze filter for FFMPEG?

Thanks, I tried the libavfilter unsharp filter and it does seem to help. On Tue, Jul 17, 2018 at 3:44 PM, Francois Visagie < francois.visa...@gmail.com> wrote: > > -Original Message- > > From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of > > Michael Shaffer > > Sent: 1

Re: [FFmpeg-user] How to have ffmpeg use parallel processing when searching through a single video

2018-07-12 21:01 GMT+02:00, Abdirahman, Ahmed [VRACI] : > I am using ffmpeg to convert parts of a video (mp4) into images (png), but > the videos are very long (8 hours). Right now I have the code performing > this serially where once one ffmpeg command is done, it continues on to the > next one.

Re: [FFmpeg-user] Multi-Channel Audio Limitations?

2018-07-13 8:46 GMT+02:00, privatebrowser : > This is more of an open question about standards in general and what FFmpeg > can and cannot do. > > Is there a codec (that FFmpeg supports), that will allow me to combine a > series of audio files into a singular multi-channel file /that can exceed 8

Re: [FFmpeg-user] Poor NDI performance

2018-07-17 20:16 GMT+02:00, Jon : > After successfully compiling ffmpeg on Debian 9 64bit, following the > instructions at https://trac.ffmpeg.org/wiki/CompilationGuide and > adding the relevant includes for NDI using the Newtek SDK > (InstallNDISDK_v3_Linux.sh from https://www.newtek.com/ndi/sdk/)

Re: [FFmpeg-user] Decoding frames as fast as possible

2018-07-03 10:23 GMT+02:00, Evan : > I'm developping a media player featuring advanced video/frame > processing. To be able to seek to any particular frame, I need to (After writing the answer below: Please understand that in the general case, you cannot seek to any particular frame, this is how

Re: [FFmpeg-user] need help on making ffmpeg x64 for UWP

2018-07-12 5:01 GMT+02:00, Eoro Xavier : Please start with a simplified configure line like "--toolchain=msvc --enable-shared". Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe

Re: [FFmpeg-user] ffmpeg automation

> > If I have a folder with 30 clips of various formats, codecs, frame-rates > and frame-sizes, is there a way to tell ffmpeg to grab random clips, only > select certain sections of certain clips, add a music track, and edit it > down to 30 seconds of exciting video and to render it out to say Mp4?

Re: [FFmpeg-user] Attempting to hardcode subtitles - no subtitles are present

2018-07-16 11:39 GMT+02:00, Tim Smith : > hey guys, i'm trying to hardcore/burn in .srt subtitles for a media player > that doesn't support separate sub files (playing over DLNA which I believe > doesn't support using a separate subtitle file.) > > I am using ffmpeg like so: https://pastebin.com/Xm

Re: [FFmpeg-user] Question regarding FFmpeg copyright

2018-07-13 14:26 GMT+02:00, Анна Михайличенко : > Could you please let me know who is the copyright owner of FFmeg? The developers of FFmpeg (>1000). > I have an information that it’s Jean-Batiste Kempf. Is its right > information? Jean-Baptiste is the copyright owner of the changes he wrote: h

Re: [FFmpeg-user] Defog/Dehaze filter for FFMPEG?

> -Original Message- > From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of > Michael Shaffer > Sent: 17 July 2018 18:10 > To: FFmpeg user questions > Subject: [FFmpeg-user] Defog/Dehaze filter for FFMPEG? > > Are there any libraries/filters for FFMPEG for removing fog an

Re: [FFmpeg-user] Need old version ffmpeg win32 shared of Windows 32-bit Builds

On Thu, Jul 12, 2018 at 23:58:54 +0800, 赵工 wrote: > I need the lastest version ffmpeg win32 shared library to run on windows xp, > but I can't find it from ffmpeg official websit. > Please can you help me? ffmpeg doesn't provide its own builds. The website only links to others who do. There's a

Re: [FFmpeg-user] Output file #0 does not contain any stream

On Fri, Jul 06, 2018 at 13:00:22 -0700, nominy wrote: > ffmpeg file.flac file.amr [...] > Output #0, flac, to 'file.flac': > Output file #0 does not contain any stream Please take some time to learn the basics of ffmpeg syntax. You are not specifying an input file. $ ffmpeg -i file.flac file.amr

Re: [FFmpeg-user] Question regarding FFmpeg copyright

On 7/13/2018 5:26 AM, Анна Михайличенко wrote: Could you please let me know who is the copyright owner of FFmeg? I have an information that it’s Jean-Batiste Kempf. Is its right information? In general, each contributor owns the rights to what they've contributed. You'll find a lot of the inf

[FFmpeg-user] Need old version ffmpeg win32 shared of Windows 32-bit Builds

I need the lastest version ffmpeg win32 shared library to run on windows xp, but I can't find it from ffmpeg official websit. Please can you help me? ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To u

[FFmpeg-user] Running out of RAM when copying 1080p H264 stream

Hi, I'm trying to copy an H264 1920x1080 video only stream from a USB camera and save to microSD using an OpenWRT based MT7688 SoC Microprocessor (Onion Omega2+ 128MB RAM). This works fine for up to 1280x720 (roughly 2.9Mb/s) but when I increase resolution the os kills ffmpeg due to RAM. I can su

[FFmpeg-user] FFMPEG- Buffers

Hello, I am using FFMPEG for my project and I'd like to know more about the buffers used in ffmpeg. I have read ffmpeg has an internal buffer,a real-time buffer and we can add our own circular buffer/fifo buffer according to our requirement. There are ffmpeg options to assign the buffer size such

[FFmpeg-user] Output file #0 does not contain any stream

Hi I'm trying to convert from flac to amr and I get this message: Output file #0 does not contain any stream Here's what I type: ffmpeg file.flac file.amr And here's the output: ffmpeg version 3.4.2-2 Copyright (c) 2000-2018 the FFmpeg developers built with gcc 7 (Ubuntu 7.3.0-16ubuntu2)

Re: [FFmpeg-user] how to use Intel qsv codec for ffmpeg 4.0

Hi Guys, Hey I have just tested your suggestion on the 4.0.1 as i had the same issue and it seems to be working, here is the command i'm running below: ffmpeg -init_hw_device qsv=qsv:MFX_IMPL_hw_any -hwaccel qsv -filter_hw_device qsv -c:v h264_qsv -i "udp://224.100.2.45:49500?buffer_si

[FFmpeg-user] Attempting to hardcode subtitles - no subtitles are present

hey guys, i'm trying to hardcore/burn in .srt subtitles for a media player that doesn't support separate sub files (playing over DLNA which I believe doesn't support using a separate subtitle file.) I am using ffmpeg like so: https://pastebin.com/XmmfErNE testing the .srt with VLC works fine, b

Re: [FFmpeg-user] FFserver doesn't work with HLS

Hello, I'm facing the same problem with HLS stream (failed to rename file .tmp to) did you manage to resolve it? Regards Marcin -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman

[FFmpeg-user] [Add sei_user_data while encoding a h264 stream]

HI., I am trying to add a marker to all I frame by sending a "HELLO" message in h264 metadata ( SEI_USER_DATA) however i could not find much success in it. If anyone could help me out, your inputs would be highly appreciated. ffmpeg -i input.mp4 -c copy -bsf:v h264_metadata=sei_user_data=‘hello’

[FFmpeg-user] ffmpeg automation

Good afternoon, Lou suggested I post this to you, a question: If I have a folder with 30 clips of various formats, codecs, frame-rates and frame-sizes, is there a way to tell ffmpeg to grab random clips, only select certain sections of certain clips, add a music track, and edit it down to 30 secon

[FFmpeg-user] Poor NDI performance

After successfully compiling ffmpeg on Debian 9 64bit, following the instructions at https://trac.ffmpeg.org/wiki/CompilationGuide and adding the relevant includes for NDI using the Newtek SDK (InstallNDISDK_v3_Linux.sh from https://www.newtek.com/ndi/sdk/) and compiler flag (--enable-libndi_newtek

Re: [FFmpeg-user] mpegts metadata not set

Hello, Am 28.06.2018 um 00:54 schrieb Carl Eugen Hoyos: 2018-06-27 16:28 GMT+02:00, Christian Knoefel | Ilm-Provider : ffmpeg -re -i rtmp://live.net/rtmp/live -vcodec mpeg2video -s 720x576 -r 25 -flags cgop+ilme -sc_threshold 10 -b:v 5M -minrate:v 5M -maxrate:v 5M -bufsize:v 3.5M -aco

Re: [FFmpeg-user] Send audio to Axis encoder and change http_post header

Hi, i have same problem interfacing an axis p8221. I don't understand where I have to put the multiple_requests option Thanks edo [Telespazio S.p.A.] Edoardo Ciriello LoB Satellite Systems and Operations Via Tiburtina, 965 - 00156 Rome - Italy Ph: +390640796384 | Fax: +39 06 4099-9255 edoar

[FFmpeg-user] Decoding frames as fast as possible

Hi everyone, I'm developping a media player featuring advanced video/frame processing. To be able to seek to any particular frame, I need to know, for each frame, its presentation time and if available, if it's a key frame or not. The latter is optional, really. To do that I build an "index" once

[FFmpeg-user] Multi-Channel Audio Limitations?

Hello, This is more of an open question about standards in general and what FFmpeg can and cannot do. Is there a codec (that FFmpeg supports), that will allow me to combine a series of audio files into a singular multi-channel file /that can exceed 8 channels/? For example, if I am interfacing

[FFmpeg-user] Question regarding FFmpeg copyright

Hello! Could you please let me know who is the copyright owner of FFmeg? I have an information that it’s Jean-Batiste Kempf. Is its right information? Also, please, let me know if it’s ok to use ffmpeg binary compiled with --enable-gpl flag in commercial application? Your reply will be much

[FFmpeg-user] Input from FIFO for Multiple Video Track

Hi All, I am creating Dual H264 Video Track inside Single MP4 File. For that I am using following command. - *ffmpeg -i fifo_1.264 -i fifo_2.264 -map 0 -map 1 -c copy -t 20 output.mp4 * Command is working properly and Its Generating MP4 video with Two H264 Video Track. But when I am seei

[FFmpeg-user] How to have ffmpeg use parallel processing when searching through a single video

Hi, I am using ffmpeg to convert parts of a video (mp4) into images (png), but the videos are very long (8 hours). Right now I have the code performing this serially where once one ffmpeg command is done, it continues on to the next one. I was hoping there was a way for ffmpeg to take multiple

[FFmpeg-user] using ffmpeg launcher

Hi Guys we have ffmpeg installed on our server but we need the ffmpeg launcher to work. we have the website as you'll see in the screen shot but everything sits on waiting to launch when selected it to make it go live on our panel it goes no where. wonder if you are able to help to see what we ar

[FFmpeg-user] Defog/Dehaze filter for FFMPEG?

Are there any libraries/filters for FFMPEG for removing fog and haze? I found one called libxcam but I'm not sure if it's been fully implemented yet to work with FFMPEG. Thanks, Michael Shaffer ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://f

[FFmpeg-user] How to build static fontconfig with ffmpeg?

Hi, My environment is Centos 7.4. I want to build static fontconfig and build ffmpeg with static fontconfig. I succeed in building static libpng/freetype2/harfbuzz/vidstab/fribidi/expat, but I fail to build static fontconfig. The following is my building steps: 1) build libpng-1.6.34.tar.gz

Re: [FFmpeg-user] Transcode TVheadend stream (mpegts )

thank very much for your help so fare. i replace the audio codec to -acodec aac and it fixed the problem, know i can view the channel. But after some 5-10 min i get these error and the stream hangs for few sec: [mpegts @ 0x562f17ecb980] PES packet size mismatch [ac3 @ 0x562f17f24c60] frame sync err

Re: [FFmpeg-user] Transcode TVheadend stream (mpegts )

On Tue, Jul 17, 2018 at 11:39:46 +0200, hans gerte wrote: > Im using the newest version of the ffmpeg (installed via apt ffmpeg) At least the newest one that your repositories provide. Current is 4.0.1. Seeing you use Ubuntu x86_64, you could grab a newer binary build from here: https://johnvansic

Re: [FFmpeg-user] Transcode TVheadend stream (mpegts )

Im using the newest version of the ffmpeg (installed via apt ffmpeg) here is the output: ffmpeg -f mpegts -i http://username:password@192.168.0.14:4445/stream/channelid/9 -vcodec libx264 -vb 1000k -acodec libfdk_aac -ar 48000 -ab 48k -f flv rtmp:// 192.168.0.58:1935/test ffmpeg version 3.4.2-2 C

Re: [FFmpeg-user] Transcode TVheadend stream (mpegts )

On Tue, Jul 17, 2018 at 09:59:08 +0200, hans gerte wrote: > ffmpeg -f mpegts -i > http://username:password@192.168.0.14:4445/stream/channelid/9 -deinterlace > -vcodec libx264 -vb 1000k -acodec libfacc -ar 48000 -ab 48k -f flv rtmp:// > 192.168.0.58:1935/test > > Input is the tvheadend server, rtm

[FFmpeg-user] Transcode TVheadend stream (mpegts )

Hi, i have a TVheadend server with dvb tuners in, the streams work without any problem on LAN, but when viewing the channels on-the-fly it drops because of my internet connection. and there trying to build a secondary ffmpeg server for transcoding. but i cant get it to work, Heres what im trying.: