Closed brugger1 closed 3 years ago
Hi Rick,
It looks like you are using the mpeg encoder that ships with VisIt. It is not the best movie encoder, although it should work properly. I frequently see the vbv_delay errors and those don't seem to affect the output.
VisIt can also use the ffmpeg movie encoder which is a better encoder. If VisIt finds it in your search path, it will use it over the built in one. We don't ship VisIt with ffmpeg because of licensing issues, but you are free to install it and then add it to your search path.
If you need help with installing ffmpeg, I can provide help if you let me know what operating system you are running on (Linux, Mac, Windows).
Eric
Eric,
I am running on a MacBook Pro with Mojave. I run the multi-processor VisiIT from the terminal.
I could use the help installing ffmpeg.
Rick
On Jun 15, 2020, at 12:16 PM, Eric Brugger via visit-users visit-users@elist.ornl.gov<mailto:visit-users@elist.ornl.gov> wrote:
If you need help with installing ffmpeg, I can provide help if you let me know what operating system you are running on (Linux, Mac, Windows).
Eric
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You can go to https://www.ffmpeg.org/download.html and the scroll a bit down until you get to a section labeled "Get packages & executable files".
Now click the Apple logo on the right side. This change the text below the 3 logos to "macOS". Under that click on "Static and shared builds for macOS 64-bit".
There are now several pull downs to set. Select "4.2.3" for the Version, "macOS 64-bit" for the Architecture, "static" for the Linking, and "LGLP 3.0" for the License. Now you can click on "Download bulid" to download the build.
At this point you can install it as you would a macOS package. I don't know details of adding it to your search path on macOS. If you need help with that I can ask some of our mac developers. I'm only familiar with Linux and Windows.
Dear Eric,
I have downloaded the zip filem for the Static and Shared build and unzipping gives me a folder containing multiple items. The /bin/ directory has the juicy stuff but I am unsure where to install the Unix Executible. In fact, I am not sure what the app does.
[cid:C2B907B5-922D-4984-BA37-9CB3E112F898@hsd1.nm.comcast.net.]
Double clicking on the ffmpeg app gives. I could open it from a Terminal Window but I would just get a prompt.
Last login: Mon Jun 15 11:54:57 on ttys005 RBS-MacBook-Pro:~ rbspielman$ /Users/rbspielman/Downloads/ffmpeg-4.2.3-macos64-static-lgpl/bin/ffmpeg ; exit; ffmpeg version 4.2.3 Copyright (c) 2000-2020 the FFmpeg developers built with Apple clang version 11.0.0 (clang-1100.0.33.8) configuration: --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libaom --enable-appkit --enable-avfoundation --enable-coreimage --enable-audiotoolbox libavutil 56. 31.100 / 56. 31.100 libavcodec 58. 54.100 / 58. 54.100 libavformat 58. 29.100 / 58. 29.100 libavdevice 58. 8.100 / 58. 8.100 libavfilter 7. 57.100 / 7. 57.100 libswscale 5. 5.100 / 5. 5.100 libswresample 3. 5.100 / 3. 5.100 Hyper fast Audio and Video encoder usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
Use -h to get full help or, even better, run 'man ffmpeg' logout Saving session... ...copying shared history... ...saving history...truncating history files... ...completed.
[Process completed]
I could use help here.
Rick
On Jun 15, 2020, at 12:37 PM, Eric Brugger via visit-users visit-users@elist.ornl.gov<mailto:visit-users@elist.ornl.gov> wrote:
You can go to https://www.ffmpeg.org/download.htmlhttps://urldefense.proofpoint.com/v2/url?u=https-3A__www.ffmpeg.org_download.html&d=DwMCaQ&c=kbmfwr1Yojg42sGEpaQh5ofMHBeTl9EI2eaqQZhHbOU&r=hChrFuoqUtPzbqaCnW9fLyGmpeZx_HQ49112JCNLTZA&m=UGTiW72SwOqIBG9bEdfn9fbCMtpX50Mf36J7Q3FbuLM&s=u71QzIzcgSjfpMdR3nEzANgNJIzaBZqUGvu0Cp5xR6I&e= and the scroll a bit down until you get to a section labeled "Get packages & executable files".
Now click the Apple logo on the right side. This change the text below the 3 logos to "macOS". Under that click on "Static and shared builds for macOS 64-bit".
There are now several pull downs to set. Select "4.2.3" for the Version, "macOS 64-bit" for the Architecture, "static" for the Linking, and "LGLP 3.0" for the License. Now you can click on "Download bulid" to download the build.
At this point you can install it as you would a macOS package. I don't know details of adding it to your search path on macOS. If you need help with that I can ask some of our mac developers. I'm only familiar with Linux and Windows.
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Hi Rick,
I believe all you need to do is copy the ffmpeg executable into a directory that is in your search path. You could even install it into the VisIt bin directory, which, for example, would be visit/3.1.2/darwin-x86_64/bin for VisIt 3.1.2.
Eric,
I am not sure what my VisIT search path is as I never set it or changed it. I can easily place the executable in the /visit/…./bin/ path. I’ll give that a try.
Rick
On Jun 15, 2020, at 1:46 PM, Eric Brugger via visit-users visit-users@elist.ornl.gov<mailto:visit-users@elist.ornl.gov> wrote:
Hi Rick,
I believe all you need to do is copy the ffmpeg executable into a directory that is in your search path. You could even install it into the VisIt bin directory, which, for example, would be visit/3.1.2/darwin-x86_64/bin for VisIt 3.1.2.
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Further to Eric's suggestation, this is a good link with different options to install ffmpeg on macOS,
https://superuser.com/questions/624561/install-ffmpeg-on-os-x
Regards, Marcelo
On Mon, 15 Jun 2020, Spielman, Rick via visit-users wrote:
Eric, I am not sure what my VisIT search path is as I never set it or changed it. I can easily place the executable in the /visit/…./bin/ path. I’ll give that a try.
Rick
On Jun 15, 2020, at 1:46 PM, Eric Brugger via visit-users <visit-users@elist.ornl.gov> wrote:
Hi Rick,
I believe all you need to do is copy the ffmpeg executable into a directory that is in your search path. You could even install it into the VisIt bin directory, which, for example, would be visit/3.1.2/darwin-x86_64/bin for VisIt 3.1.2.
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Dear Eric,
The actual path on a Mac is:
/Applications/visit.app/Contents/Resources/bin/
When I placed the binary in /bin/ everything worked just fine!! Thanks for your help.
Rick
Dr. Rick B. Spielman Senior Scientist University of Rochester Laboratory for Laser Energetics 250 East River Road Rochester, NY 14623 Office: 585-275-2732 Cell: 505-715-0416 E-mail: spielman@lle.rochester.edumailto:spielman@lle.rochester.edu
On Jun 15, 2020, at 1:46 PM, Eric Brugger via visit-users visit-users@elist.ornl.gov<mailto:visit-users@elist.ornl.gov> wrote:
Hi Rick,
I believe all you need to do is copy the ffmpeg executable into a directory that is in your search path. You could even install it into the VisIt bin directory, which, for example, would be visit/3.1.2/darwin-x86_64/bin for VisIt 3.1.2.
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Awesome! You're welcome and thanks Marcelo!
Sear VisIT Help Desk and Users,
I am trying to create a movie based on screen capture png stills. The screen display is fine and the PNGs appear to be fine (thumbnail). When I look at the movie (Quicktime or VLC) I get the frames shown below. Clearly, there is a rastering error.
The encoding process shows continual overflow errors.
Encoding frame 265 ......................................................... vbv_delay overflow! vbv_delay overflow: 705334 Encoding frame 266 ......................................................... vbv_delay overflow! vbv_delay overflow: 708330 Encoding frame 267 ......................................................... vbv_delay overflow! vbv_delay overflow: 708906 Encoding frame 268 ......................................................... vbv_delay overflow! vbv_delay overflow: 711164 Encoding frame 269 ......................................................... vbv_delay overflow! vbv_delay overflow: 713824 logout Saving session... ...copying shared history... ...saving history...truncating history files... ...completed.
I have tried this on single processor (takes forever) and 4 processors (much faster). They give the same bad result. Any suggestions?
Rick
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