[Ffmpeg-devel-irc] ffmpeg.log.20140306

burek burek021 at gmail.com
Fri Mar 7 02:05:01 CET 2014


[00:17] <jangle> ok,  I get source listings for ffprobe in gdb, but not accurate listings for ffplay....
[00:20] <jangle> when I put a breakpoint on main when running in gdb, the source listing given is for the yuv2rgb.c source file&.
[00:21] <klaxa> the mp4 container supports mp3 according to wikipedia btw
[00:25] <JodaZ> hmm, isn't the inuilt aac codec pretty shit?
[00:25] <sybariten> thanks llogan , that command line solved my task!
[00:36] <jangle> for future reference, my issue is caused by the fact that sdl is used in ffplay, so a bp needs to be set on SDL_main in order to stop at the "main" defined in ffplay.c
[00:36] <jangle> thanks all
[00:36] <jangle> wc
[03:05] <rhuang> Hello all, I am using ffmpeg's null filter in the following command: ./ffmpeg -i Megamind.avi -vf null Megamind_null.avi
[03:05] <rhuang> and I am wondering why it still modifies the audio output?
[03:05] <rhuang> *video
[03:07] <rhuang> According to the documentation, http://ffmpeg.org/ffmpeg-filters.html#null, it just "Pass the video source unchanged to the output.".
[03:09] <llogan> rhuang: that's a video filter
[03:10] <llogan> what ar you trying to do? why are you using null?
[03:10] <rhuang> I made a type, I meant to say it modified the video.
[03:10] <rhuang> *typo
[03:11] <rhuang> I want to pass the video unchanged from the source to target.  I am actually developing my own videofilter, I started with the null filter as a base and add my code to it, so I am playing with it to make sure I understand what it does.
[03:26] <iive> rhuang: try looking up -vcodec copy or whatever the current syntax is.
[03:52] <rhuang> Thanks
[04:11] <Dark-knight> ducks ducks ducks ducks
[04:17] <amigojapan> Hi, I concatenated this video http://www.youtube.com/watch?v=xln-sGv5W1Q using this command d:\ffmpeg\bin\ffmpeg.exe -f concat -i mylist.txt -c copy o5.avi as you can
[04:17] <amigojapan> see the mouths are out of sync with the soud, eventhought the original videos have the mouth synced... I can tell you that the sound files that where originally mixed
[04:17] <amigojapan> into the videos has slightly shorter sound files than the video.... it seems like these sound files were stuck together ignoring the timming of the videos...  in the
[04:17] <amigojapan> original videos, this is most noticible in the last video, where the whisper voice mouth is totally out of sync in the concatenated video, but it is in sync in the
[04:17] <amigojapan> original,here are links to the original videos http://pastebin.com/4tAvMRqQ
[04:22] <relaxed> amigojapan: does it happen at the very beginning?
[04:23] <amigojapan> relaxed: what do you mean? at the beginning the sound seems to be in sync, it seems to go out of sync each video I concatenate
[04:23] <relaxed> add -async 1 and see if that fixes it
[04:24] <amigojapan> thanlx relaxed , I will try it out
[04:29] <amigojapan> relaxed: it made no difference,  but I did notice this message in ffmpeg's output,  soudns related: [concat @ 026a3f00] Estimating duration from bitrate, this may be inaccurate
[05:10] <amigojapan> ok relaxed , I fixed it, I had to specify the duration of the animations in the text file that it uses for concatenating the videos
[05:19] <JodaZ> :/ can i use a different timebase than 1/90k in mpegts or is that fixed? i want to reuse pts from my input so i don't need to do any rounding or anything
[12:17] <Stormer_> Hello, i know this might be noobish, but can someone tell how i compile ffmpeg to my ubuntu server? maybe someone have the codes ready.. i tried the Ubuntu Compile guide.. i get program "ffmpeg" is currently not installed
[12:18] <Stormer_> though after copy and paste each section
[12:18] <Stormer_> i did install ffmpeg as in the last section
[12:19] <JEEB> did you make sure that your new ffmpeg binary is a) in the PATH b) if yes, did you once try to close the terminal and then re-open it
[12:20] <JEEB> although b) wouldn't generally be needed in such a case
[12:20] <JEEB> because you seemingly didn't have the binary at all
[12:21] <Stormer_> going to ~/bin
[12:21] <Stormer_> i do see fffmpeg folder there
[12:21] <JEEB> that's not the question
[12:22] <JEEB> the question is if your installed ffmpeg binary itself if is in the active PATH
[12:22] <JEEB> echo $PATH to show PATH
[12:24] <JEEB> (otherwise just call your ffmpeg binary with the full path to it)
[12:25] <Stormer_> how i do that
[12:25] <JEEB> what is the --prefix you set when you configured?
[12:26] <JEEB> you can check the config.log file that's written where you ran configure as well for it
[12:26] <Stormer_> i followed this, so you have all the --prefix over there
[12:27] <Stormer_> https://trac.ffmpeg.org/wiki/UbuntuCompilationGuide#libopus
[12:27] <JEEB> no, I want yours exactly
[12:27] <JEEB> of the ffmpeg itself
[12:28] <JEEB> your last configuration line is at the top of the config.log file
[12:28] <JEEB> as well as probably in your terminal's history
[12:29] <Stormer_> http://pastebin.com/2Cz3kk3V
[12:29] <Stormer_> this is what i found in ffmpeg/config.log
[12:29] <JEEB> thankfully the prefix was the first setting
[12:29] <JEEB> --prefix=/home/enc3/ffmpeg_build
[12:30] <JEEB> you can thus call the binary with /home/enc3/ffmpeg_build/ffmpeg if you have installed it
[12:30] <JEEB> that's the full path to the binary
[12:30] <JEEB> you can also check PATH (echo $PATH in terminal) to see if that directory is in your PATH
[12:30] <Stormer_> in enc/ffmpeg_build/ cant find ffmpeg
[12:31] <Stormer_> enc3*
[12:31] <JEEB> ugh
[12:31] <JEEB> so it uses a separate bindir?
[12:31] <JEEB> basically scroll the first line of config.log
[12:31] <Stormer_> i dunno, what it did use using that trial
[12:31] <JEEB> or wait
[12:31] <Stormer_> haha
[12:32] <JEEB> first check /home/enc3/ffmpeg_build/bin/ffmpeg
[12:32] <JEEB> if that's not there
[12:32] <JEEB> then go through that first line that's cut
[12:32] <JEEB> further right that is
[12:32] <Stormer_> only x264 inside bin
[12:32] <JEEB> ok, then go further right-wise on that first line of config.log
[12:32] <JEEB> because the line doesn't end there
[12:33] <Stormer_> the full path for ffmpeg is
[12:33] <Stormer_> enc3/bin/ffmpeg
[12:34] <JEEB> ok, then you should be able to call it with the full path to it, /home/enc3/bin/ffmpeg
[12:35] <Stormer_> so you mean /home/enc3/bin/ffmpeg -i ...
[12:35] <Stormer_> ?
[12:35] <JEEB> well just try running it first :P
[12:35] <JEEB> see if you get version output etc.
[12:35] <Stormer_> this is the rest of the line btw
[12:35] <Stormer_> http://pastebin.com/PiX3Hbba
[12:35] <JEEB> yeah, it sets a separate bindir
[12:36] <Stormer_> its a directory it says
[12:36] <JEEB> wat
[12:36] <Stormer_> yeah what you mean by running it?
[12:36] <JEEB> --bindir=/home/enc3/bin means that there should be a ffmpeg binary there :P
[12:37] <JEEB> not a directory
[12:37] <Stormer_>  ffmpeg  ffmpeg-snapshot.tar.bz2  vsyasm  x264  yasm  ytasm
[12:37] <Stormer_> everything inside enc3/bing
[12:37] <Stormer_> bin*
[12:37] <JEEB> wait
[12:37] <JEEB> that looks normal
[12:38] <JEEB> are you sure the ffmpeg there is a directory?
[12:38] <Stormer_> yeah and ffmpeg is bluish cant run
[12:38] <Stormer_> says directory
[12:38] <JEEB> what says?
[12:38] <Stormer_> yeah
[12:38] <Stormer_> i try
[12:38] <Stormer_> ./
[12:38] <Stormer_> it has blue color
[12:38] <Stormer_> i can go inside it
[12:38] <Stormer_> there are config.log etc.
[12:38] <JEEB> uhh
[12:38] <JEEB> what the hell happened there :P
[12:39] <Stormer_> configure is a binary inside
[12:39] <Stormer_> haha dude im telling ya
[12:39] <Stormer_> i dunno haha
[12:39] <JEEB> do you have a symlink to your ffmpeg source code in there?
[12:39] <JEEB> try removing that and re-running make install where you ran ffmpeg's configure
[12:39] <Stormer_> i never ran ffmpeg configure
[12:40] <JEEB> then what was that config.log?
[12:40] <Stormer_> it has many files inside
[12:40] <JEEB> you are saying one thing and seemingly have done another. Sync your both sides
[12:40] <Stormer_> and found that config log inside the ffmpeg dir
[12:40] <JEEB> then you did not build ffmpeg at all, am I correct?
[12:40] <Stormer_> srsly never ran configure
[12:41] <Stormer_> after installing the other thing
[12:41] <Stormer_> i lastly did this one
[12:41] <Stormer_> http://pastebin.com/Hb5PTmfq
[12:41] <JEEB> you're clearly running ffmpeg's configure there
[12:42] <Stormer_> ye i did run it btw
[12:42] <Stormer_> oh true
[12:42] <Stormer_> the comman did run configure..
[12:42] <Stormer_> my bad..
[12:42] <Stormer_> just checked the code i pasted in
[12:42] <Stormer_> true true..
[12:42] <Stormer_> so where is ffmpeg binary?
[12:43] <JEEB> it should be in bindir as well after your make install, but if you had a symlink to your ffmpeg source dir there I have no idea what the installation part of the makefile did
[12:43] <JEEB> do you still have the output of the make install part around?
[12:44] <JEEB> also lol at running make distclean there
[12:45] <JEEB> why do you even have config.log then... although that's just a minor detail so fuck that
[12:45] <JEEB> anyways, for future reference: never run anything after "make" ing something unless the compilation finished SUCCESSFULLY
[12:45] <Stormer_> yeah everything was successfully
[12:45] <Stormer_> that why i took the next part
[12:46] <Stormer_> and pasted in
[12:46] <Stormer_> is it possible if you can give me ffmpeg compiling codes?
[12:46] <Stormer_> so i can run it over..
[12:46] <Stormer_> would really appreciate it ..
[12:46] <JEEB> anyways, pastebin ls -alh /home/enc3/bin
[12:47] <Stormer_> http://pastebin.com/nnsBZxCf
[12:48] <JEEB> you have clearly missed a thing somewhere because you have just put the ffmpeg source code into the bindir
[12:48] <JEEB> move that away from there
[12:48] <JEEB> then go to that dir
[12:49] <JEEB> re-run the configure script, re-run make (if you have multiple cores, do make -jN where N is the amount of cores you have)
[12:49] <JEEB> check that both run successfully :P
[12:49] <Stormer_> move what away?
[12:49] <JEEB> the fucking directory
[12:49] <Stormer_> haha
[12:50] <Stormer_> ok if i delete it?
[12:50] <JEEB> do you have the ffmpeg source code somewhere else?
[12:50] <JEEB> because it seems like you have by mistake run the grabbing and extraction commands in the bindir :P
[12:50] <JEEB> also fuse... what the fuck have you been doing there
[12:51] <Stormer_> dude i havent been touching anything
[12:51] <Stormer_> tell that to the guide
[12:51] <Stormer_> haha
[12:51] <JEEB> no, the guide doesn't do that
[12:51] <JEEB> I'm pretty sure of that
[12:52] <Stormer_> anyway i moved ffmpeg now out of enc3/bin
[12:52] <JEEB> ok
[12:52] <Stormer_> should i paste in the last code i sent you?
[12:52] <Stormer_> http://pastebin.com/Hb5PTmfq
[12:52] <JEEB> just re-run the configure line and see if you get any errors
[12:52] <JEEB> if you don't, start make'ing
[12:52] <JEEB> I mean, in the source code dir
[12:53] <Stormer_> ERROR: libfdk_aac not found
[12:54] <JEEB> well, no wonder then you didn't get anything
[12:54] <JEEB> back to building and making sure that fdk-aac is installed in a spot where you're pointing the ffmpeg configure to look for it
[12:55] <Stormer_> yes sir
[12:55] <JEEB> basic reading comprehension does go a long way ;)
[12:55] <JEEB> btw
[12:55] <JEEB> what things do you even need in ffmpeg?
[12:56] <JEEB> generally regarding encoding side of things
[12:57] <Stormer_> streaming channels
[12:57] <JEEB> no
[12:57] <JEEB> I mean, container, audio and video formats
[12:57] <Stormer_> i need x264 aac
[12:57] <JEEB> ok
[12:57] <JEEB> then you need fdk-aac
[12:57] <Stormer_> ye
[12:58] <Stormer_> the fuck fdk aac didnt install
[12:58] <JEEB> as always
[12:58] <Stormer_> bcz didnt have unzip installed on the server
[12:58] <Stormer_> hahaha
[12:58] <JEEB> see its configure output
[12:58] <JEEB> hah
[12:58] <Stormer_> but now its installing
[12:58] <JEEB> just use the git repo?
[12:58] <Stormer_> haha
[12:58] <JEEB> but maybe you should just follow the "tutorial" :P so I don't have to do extra work in telling you certain things
[12:58] <JEEB> and yes, don't fire commands blindly
[13:01] <Stormer_> true true
[13:01] <Stormer_> anyway now seems like ./configure did run
[13:01] <Stormer_> http://pastebin.com/f4X3fYEE
[13:01] <Stormer_> ewith no errors
[13:02] <JEEB> might have wanted to paste some of the stuff higher up too
[13:02] <JEEB> since the found libraries IIRC are listed there
[13:03] <Stormer_> didnt get to see higher than that
[13:03] <JEEB> but yeah, /seems/ to have finished without errors
[13:03] <JEEB> if you're in a gui terminal, set your history to more lines :P
[13:03] <JEEB> or even "unlimited"
[13:07] <JEEB> now first of all when you finish make'ing, you should have a run'able ffmpeg binary in the directory you ran make in
[13:07] <JEEB> and then after you make install, it should copy the things to your bindir
[13:14] <Stormer_> yeah now after the config comman
[13:15] <Stormer_> im ran make install
[13:15] <Stormer_> i ran*
[13:15] <JEEB> always run just make first
[13:15] <Stormer_> yeah first make
[13:15] <Stormer_> then make install
[13:15] <JEEB> ok, and you checked that you could run the ffmpeg binary after make'ing?
[13:16] <Stormer_> .. no :(
[13:18] <JEEB> well, in any case make install should have shown in its log that it copied the ffmpeg binary :P
[13:19] <Stormer_> yeah didnt check, went to grab a redbull..
[13:19] <Stormer_> but its still installing
[13:19] <JEEB> what
[13:19] <Stormer_> so hopefully its working
[13:20] <Stormer_> its done now
[13:20] <Stormer_> yay it does have ffmpeg binary
[13:21] <Stormer_> in enc3/bin
[13:21] <Stormer_> should i run it?
[13:21] <JEEB> no, you should practice zen meditation first
[13:22] <Stormer_> haha
[13:22] <Stormer_> i do some yoga
[13:22] <JEEB> also given how long running the make install command took, you most certainly seemingly didn't run "make" first and then "make install"
[13:22] <JEEB> because most of the heavy lifting is done by the first one
[13:23] <JEEB> and then the second just copies things over
[13:23] <Stormer_> working :D
[13:33] <Stormer_> Jeeb you there?
[13:40] <Stormer_> How can i make it so ffmpeg encode couple channels with a script
[13:40] <Stormer_> and starts on startup
[13:40] <Stormer_> so no need to run the command each time
[13:43] <Hello71> >encode couple channels
[13:43] <Hello71> wat?
[13:43] <Stormer_> yeah for example ffmpeg -i ...
[13:43] <Stormer_> runes one channel
[13:43] <Stormer_> runs*
[13:43] <Stormer_> how can i run multiple ffmpeg commands
[13:53] <JEEB> Stormer_, someone would have to write an initialization script that can also log it and restart it in case of failures :P
[13:57] <Stormer_> damit
[13:57] <Stormer_> forget about the restart in failure
[13:57] <Stormer_> how just to run multiple ffmpeg commands
[13:58] <Stormer_> without ffmpeg blocking the terminal
[14:10] <Stormer_> http://pastebin.com/22Ajg19G
[14:10] <Stormer_> and the info on bottom just keep rolling,
[14:11] <Stormer_> cant add command etc. without ctrl +t which terminate the command
[14:11] <Hello71> that's a shell question.
[14:28] <Stormer_> huh?
[15:53] Action: infojunky waits
[15:57] <JodaZ> how do i convert a time in seconds to a pts time_base units?
[16:12] <Mavrik> JodaZ, time_in_seconds * time_base
[16:13] <JodaZ> i think its actually time_in_seconds / time_base, but the time_base is an AVRational, and the seconds i have as an int
[16:14] <gigi> hi all
[16:14] <gigi> how do i connect with  a chat program ?? I am in an web-interface right now
[16:25] <gigicarlo> Hello !
[16:25] <gigicarlo> Anybody here ???? just checking - first time here...
[16:56] <Stormer_> Hello
[16:56] <Stormer_> oh he left..
[18:11] <Xeta> When I use avformat_open_input to open a URL to a remote audio file, does FFMPEG start threads in the background to start streaming and buffering the data? Or does each individual call to av_read_frame actually fetch the next packge from the source?
[18:11] <Xeta> I'm trying to figure out if I should do my own temporary buffering before i send the data to OpenAl for playback.
[19:12] <Zeranoe> Are there any noise removal filters that are LGPL? owdenoise, and hqdn3d are both GPL
[19:22] <gigicarlo> Anybody there ??
[19:41] <firemanxbr> hey guys ffmpeg have support for VPU ?
[19:45] <firemanxbr> for example:
[19:45] <firemanxbr> http://imx.solid-run.com/wiki/index.php?title=CuBox-i_Frequently_Asked_Questions#What_codecs_can_be_decoded.2Fencoded_through_hardware.3F
[19:45] <firemanxbr> anybode help me about this it ?
[19:47] <llogan> yes
[19:48] <llogan> what is your actual question?
[19:48] <llogan> what are you trying to do?
[19:49] <firemanxbr> llogan, I'm using Fedora 20 in my cubox-i4pro
[19:50] <firemanxbr> llogan, one board armv7hl
[19:51] <firemanxbr> llogan, my objective is run this device with my webcam logitech c920
[19:51] <firemanxbr> llogan, and send live stream to youtube live
[19:51] <firemanxbr> llogan, I used in my laptop complety sucess, but in my arm device no :(
[19:52] <firemanxbr> llogan, I believe don't more cpu avaliable
[19:52] <firemanxbr> llogan, my ffmpeg version is 2.1.4
[19:52] <firemanxbr> llogan, this rpm: ffmpeg-2.1.4-1.fc20.armv7hl
[19:53] <firemanxbr> llogan, how-to use my VPU with ffmpeg ?
[19:54] <llogan> there is no "VPU" encoding support in ffmpeg itself
[19:56] <firemanxbr> humm
[19:56] <firemanxbr> llogan, and if I use gstreamer is possible ?
[19:57] <llogan> i know nothing of gstreamer.
[19:57] <Zeranoe> firemanxbr: Probably not
[19:57] <firemanxbr> llogan, thankz for help
[19:57] <firemanxbr> Zeranoe, humm
[19:58] <firemanxbr> Zeranoe, thnkz
[19:58] <Zeranoe> Your dvice has no CPU?
[20:00] <firemanxbr> Zeranoe, his have
[20:00] <firemanxbr> Zeranoe, but I using for encoding 720p
[20:01] <firemanxbr> Zeranoe, I need more power process :D
[20:01] <firemanxbr> one error always present in my tests is: ALSA xrun buffer
[20:02] <firemanxbr> I hate this error :)
[20:03] <firemanxbr> llogan, okay
[20:10] <firemanxbr> llogan, http://ur1.ca/grwbk
[20:16] <Zeranoe> firemanxbr: "Please don't paste your scripts" You need to paste the output
[20:17] <firemanxbr> Zeranoe, sorry, understood now :D
[20:19] <suseROCKs> Hi folks, I've tried a thousad diffrent ways after googling to figure out how to convert an m4a to mp3 with no such luck.  Always get back "no such file or directory" yet the filename is properly input
[20:19] <firemanxbr> Zeranoe, http://ur1.ca/grwdx
[20:19] <Zeranoe> suseROCKs: Whats command are you running
[20:24] <suseROCKs> Zeranoe,  here's the one I tried the most...
[20:24] <suseROCKs> ffmpeg -i inpuut *.m4a -acodec libmp3lame -ab 128k.m4a acodec libmp3lame -ab 128k output TeenageWasteland.mp3
[20:25] <Zeranoe> wat
[20:25] <Zeranoe> whats your input file name, the m4a file
[20:25] <suseROCKs> I tried both *.m4a and (fullname).m4a
[20:27] <Zeranoe> ffmpeg -i (fullname).m4a -c:a libmp3lame -b:a 128k TeenageWasteland.mp3
[20:29] <suseROCKs> Zeranoe,   You're my hero!   Many thanks!
[20:31] <llogan> firemanxbr: why are you upscaling from 640x480 to 1280x720? what is the output of: ffmpeg -f v4l2 -list_formats all -i /dev/video0
[20:32] <firemanxbr> llogan, my webcam is full hd (logitech c920)
[20:32] <firemanxbr> llogan, I'm geting this output
[20:33] <firemanxbr> llogan, http://ur1.ca/grwgi
[20:34] <Zeranoe> firemanxbr: You need to set your input side
[20:34] <Zeranoe> size*
[20:34] <firemanxbr> llogan, but in my command I used get set resolutions: http://fpaste.org/83106/94132994/
[20:34] <Zeranoe> Your not using your webcam at 1080p, but are upscaling
[20:35] <firemanxbr> Zeranoe, I seted
[20:35] <Zeranoe> set -s before you call your input video
[20:36] <Zeranoe> -s 1920x1080 -i /dev/video0
[20:38] <firemanxbr> Zeranoe, but same erro: http://ur1.ca/grwhm llogan
[20:38] <Zeranoe> At least your using the correct resoution
[20:39] <Zeranoe> you might want to check out http://trac.ffmpeg.org/ticket/615
[20:40] <firemanxbr> Zeranoe, humm great info, thnkz
[20:57] <llogan> firemanxbr: maybe you can stream copy the h264 video from the webcam instead of re-encoding it
[20:57] <llogan> if the bitrate isn't prohibitive
[20:57] <llogan> for streaming
[20:58] <firemanxbr> llogan, I believe no, please see this requirements: https://support.google.com/youtube/answer/2853702?hl=en
[20:58] <firemanxbr> llogan, about 720p or 1080p is not compatible with my webcam :(
[21:03] <llogan> ffmpeg -f v4l2 -input_format h264 -video_size 1280x720 -i /dev/video0 -codec:v copy -f flv output
[21:03] <llogan> i don't know if it will work but it's worth a try
[21:09] <firemanxbr> llogan, okay I'm trying...
[21:10] <Zeranoe> llogan: Why not -c:v
[21:11] <llogan> so users know what c stands for
[21:11] <llogan> no other reason, really.
[21:12] <firemanxbr> llogan, http://ur1.ca/grwqp
[21:13] <firemanxbr> llogan, ALSA xrun buffer no more present, but other error in this output
[21:14] <llogan> console outputs without the commands are useless
[21:17] <firemanxbr> llogan, http://ur1.ca/grws8
[21:18] <llogan> commands without the console outputs are useless
[21:18] <Zeranoe> lol
[21:18] <firemanxbr> llogan, sorry again, window error in my xchat :D
[21:24] <firemanxbr> llogan, my output no stop, ever and ever with errors: [flv @ 0x8b9f0] Non-monotonous DTS in output stream....
[21:25] <Zeranoe> firemanxbr: techincally that isn't an error
[21:26] <firemanxbr> Zeranoe, but my stream no sucess, with this error :(
[21:33] <firemanxbr> llogan, youtube live reporting for me: Please use a keyframe frequency of 2 seconds or less. Keyframes are not being sent often enough, this will cause buffering. Current keyframe frequency: 11.0 seconds. GOP sizes can be wrong if you have ingestion errors.
[21:39] <firemanxbr> thnkz for help
[21:47] <llogan> firemanxbr: then you'll have to re-encode i guess. but your hardware is too underpowered for your desired video_size and framerate.
[21:48] <llogan> you can see if opencl support in x264 makes a measurable difference. i don't know if it will with your system.
[21:49] <llogan> i don't know how much of a difference lookahead makes anyway
[22:10] <lindenle> Is there a simple example of re-encoding a file using the shared library and c-code?
[22:11] <lindenle> http://ffmpeg.org/doxygen/trunk/encoding-example_8c-source.html
[22:11] <lindenle> nm'
[23:11] <onefix_work> I'm having problems trying to repair a video stream...it had problems with it when the program was on, so I'm not thinking that I can fix it completely.  It was a video captured from a HDHomeRun and I get "ac-tex damaged" errors.  The only think I want is to minimally get the occasional pixel error as opposed to the current dropped frames that I'm seeing now.
[23:12] <onefix_work> What is the best way to transcode this stream?  I don't care about the time it takes either...
[23:18] <Hello71> "when the program was on"
[23:18] <Hello71> what.
[00:00] --- Fri Mar  7 2014


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