Re: [FFmpeg-user] Blocky flash video - how to fix

Joe Blo wrote: Hi I have a flash1 video (Sorenson Spark) 15 frames / second. Its a video of a professor writing with chalk formulas onto a blackboard (green). Unfortunaly since the video exhibits blockiness it is impossiblle to read the formulas written to the blackboard (greenboard). Is there

[FFmpeg-user] New FFmpeg Wrapper, Hammurabi II, released today

Some FFmpeg users may be interested to know of a new wrapper for FFmpeg.exe, which I have released today. Hammurabi II is designed primarily to make it easier to use FFmpeg to stream live video to a media server. It's written mostly for Nginx, but it can work with other media services. If

Re: [FFmpeg-user] getting ValueError: I/O operation on closed file on MacOSX yosemite and python2.7

Hi, On Thu, Apr 13, 2017 at 2:45 PM, Sudeep Maheshwari - TNW < s.maheshw...@tudelft.nl> wrote: > Dear all > > > Please tell me what is the work around to this > I am using FFMpeg on MacOSX and this is the latest version > > Have you tried raising an issue with matplotlib? Looking at their

Re: [FFmpeg-user] getting ValueError: I/O operation on closed file on MacOSX yosemite and python2.7

On Thu, Apr 13, 2017, at 05:45 AM, Sudeep Maheshwari - TNW wrote: > I am trying to create a movie file of a monte carlo simulation at each > time step from the plot of matplotlib in python2.7. > The movie creation using ffmpeg is giving following error I see no ffmpeg errors, and we do not

Re: [FFmpeg-user] audio to video with image?

On Thu, Apr 13, 2017, at 05:58 AM, Justin Scott wrote: > > I am using the latest ffmpeg 2.2.2 release Probably too old. Always use a recent build. Windows binaries are available at: https://ffmpeg.zeranoe.com/builds/ ___ ffmpeg-user mailing list

[FFmpeg-user] Ffmpeg fec

I saw, that you implemented pro-mpeg forward error correction. Could someone write an exact example with the given parameters? Stream link:192.168.0.170 Port:6504 Fec matrix:10x10 Thanks a lot! ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

[FFmpeg-user] ffmpeg output occurs very lag.How to resolve it ?

ffmpeg output occurs very lag.How to resolve it ? My config is here : ffmpeg -i 'udp://x.x.x.x?fifo_size=100\_nonfatal' -r 25 -keyint_min 25 -vsync 0 -refs 1 -trellis 1 -b:v 300k -vf "yadif,hqdn3d=1.5:1.5:6:6,scale=480:268" -aspect 16:9 -c:a libfaac -af pan=1:c0=c1 -strict 44100 -b:a 64k

[FFmpeg-user] Blocky flash video - how to fix

Hi  I have a flash1 video (Sorenson Spark) 15 frames / second. Its a video of a professor writing with chalk formulas onto a blackboard (green). Unfortunaly since the video exhibits blockiness it is impossiblle to read the formulas written to the blackboard (greenboard). Is there any chance to

Re: [FFmpeg-user] Segmentation fault in Ubuntu 17.04 using NVENC

Found the problem. SOLVED. Ignore last thread, was a misconfiguration. Il giorno ven, 14/04/2017 alle 02.56 +0200, Marco ha scritto: > Hello, > > i updated my Ubuntu to 17.04 > > I have a self-compiled FFMPEG with this script: > https://pastebin.com/hQekxBsN > > I have not added any external

[FFmpeg-user] Filter for smoothening gradual luminance changes?

Hi! I have tried to find out proper way to smoothen luminance changes on videos of sunset. Cameras are action cameras where it is not possible to set manually exposure etc, and in fact, it is not desirable. Typically my video recordings are few hours, from full daylight, sun shingin towards

Re: [FFmpeg-user] output bitrate equal to expected bitrate

On Sat, Apr 15, 2017 at 10:34:33 +0430, negin tebyani wrote: > mediainfo shows this: > Bit rate mode: Constant > Bit rate : 850 Kbps / 850 Kbps > is this ok?? Are you asking us? You were the one requesting that mediainfo should report

Re: [FFmpeg-user] Create an AAC stream matching the Core Media Audio packet format / priming etc?

On 15 Apr 2017, 09:22 +0100, Christian Ebert , wrote: > * Mark Burton on Friday, April 14, 2017 at 22:44:52 +0100 > > > On 14 Apr 2017, at 22:22, Christian Ebert wrote: > > > > > Also, when you run with -v verbose, you'll see a delay (depends > > > > > on

[FFmpeg-user] problem with min-keyint and dash

I have encoded myu videos using ffmpeg with this command: ffmpeg -i input.mp4 -movflags faststart -c:v libx264 -x264opts 'keyint=100:min-keyint=25:no-scenecut:8x8dct:sliced-threads=0' -deblock 1:1 -flags +loop -b:v 850k -maxrate 850k -bufsize 2000k -nal-hrd cbr -vf