[FFmpeg-user] Mjpeg to h264 audio sync problem

2014-12-04 Thread Petr Tresnak
Hello, I am trying to convert Canon MJPEG to MP4 (h264/AAC) but after conversion, the start of the audio is cut and sound is not synchronized. ffmpeg -i mjpeg.avi -c:v libx264 -preset slow -crf 13 -pix_fmt yuvj420p -c:a libfdk_aac -b:a 192k output.mp4 or ffmpeg -async 1 -i mjpeg.avi

Re: [FFmpeg-user] Error with parameterization using h264 with profiles

2014-12-04 Thread S. John
Carl Eugen Hoyos cehoyos at ag.or.at writes: Complete, uncut console output missing. Carl Eugen I'm sorry, I thought I'd just post the IMO relevant part. But since I messed up the mail format anyway, I'll give it a second try. I'm struggling with a simple task. Converting an .avi containing

[FFmpeg-user] decklink seems to be broken down

2014-12-04 Thread Anshul Maheshwari
I am using git pulled just before this mail. Here is some error that I am getting LD ffmpeg_g /usr/bin/ld: libavdevice/libavdevice.a(decklink_common.o): undefined reference to symbol 'dlsym@@GLIBC_2.2.5' /usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu/libdl.so: error adding

Re: [FFmpeg-user] decklink seems to be broken down

2014-12-04 Thread Anshul Maheshwari
On Thu, Dec 4, 2014 at 7:19 PM, Anshul Maheshwari anshul.ffm...@gmail.com wrote: I am using git pulled just before this mail. Here is some error that I am getting LD ffmpeg_g /usr/bin/ld: libavdevice/libavdevice.a(decklink_common.o): undefined reference to symbol 'dlsym@@GLIBC_2.2.5'

Re: [FFmpeg-user] Is latm decode with fdkaac possible?

2014-12-04 Thread Andy Furniss
Andy Furniss wrote: I was going to try and add some debugging to see what, is any, ancillary was broadcast in the UK (like heavy compression and mixdown). I know from adding debugging to ffmpeg aacdec that drc is broadcast, but couldn't find mix down meta. In case anyone is interested I

[FFmpeg-user] OBS multicast

2014-12-04 Thread Eric Lovelace
Hello all, My goal is to create a live stream using OBS and play it on many in-house machines using multicast. Right now my attempt looks like: [OBS] - [nginx w/ rtmp module] - [ffserver/ffmedia with rtp] - [any client; I've tried vlc, quicktime, ffplay] I keep running into issues and I

Re: [FFmpeg-user] OBS multicast

2014-12-04 Thread Zenny
Except for compositing like chroma, ffmpeg can stream too. Do you have any reason to use OBS except for chroma matte? On 12/4/14, Eric Lovelace eric.lovel...@msdmail.net wrote: Hello all, My goal is to create a live stream using OBS and play it on many in-house machines using multicast.

Re: [FFmpeg-user] OBS multicast

2014-12-04 Thread Joseph Curtin
I've had success with the overview you've laid out. But I didn't have ffserver. My VLC was talking to ngnix directly. Cheers, -Joseph Curtin On Dec 4, 2014 10:13 AM, Eric Lovelace eric.lovel...@msdmail.net wrote: Hello all, My goal is to create a live stream using OBS and play it on many

Re: [FFmpeg-user] dvd2concat error with loopback mounted ISO

2014-12-04 Thread Adrian Meyer
The mount command:sudo mount movie.iso iso -t udf  -o loop -o ro I also have to mention that the movie.iso was created using dvdbackup and mkisofs to rip/decrypt the movie. Here the output from lsdvd sent to STDERR:lsdvd iso -Op -x 1/dev/null libdvdread: Attempting to use device /dev/loop0

Re: [FFmpeg-user] H264 (mts) interlaced to XVID interlaced

2014-12-04 Thread radpopl
On 11/20/14, Carl Eugen Hoyos [via FFmpeg-users] ml-node+s933282n4668204...@n4.nabble.com wrote: radpopl radpopl at gmail.com writes: there is a sample. https://www.sendspace.com/file/leir3w I opened ticket #4121, thank you for the sample! https://trac.ffmpeg.org/ticket/4121 Hello, I

Re: [FFmpeg-user] OBS multicast

2014-12-04 Thread Eric Lovelace
Zenny writes: Except for compositing like chroma, ffmpeg can stream too. Do you have any reason to use OBS except for chroma matte? On 12/4/14, Eric Lovelace eric.lovel...@msdmail.net wrote: Hello all, My goal is to create a live stream using OBS and play it on many in-house

Re: [FFmpeg-user] OBS multicast

2014-12-04 Thread Eric Lovelace
Joseph Curtin writes: I've had success with the overview you've laid out. But I didn't have ffserver. My VLC was talking to ngnix directly. Cheers, -Joseph Curtin On Dec 4, 2014 10:13 AM, Eric Lovelace eric.lovel...@msdmail.net wrote: Hello all, My goal is to create a live stream

Re: [FFmpeg-user] dvd2concat error with loopback mounted ISO

2014-12-04 Thread Nicolas George
Le tridi 13 frimaire, an CCXXIII, Adrian Meyer a écrit : The real output: lsdvd iso -Op -x 2/dev/null our %lsdvd = (   %s = device'iso',   %s = title'unknown',   %s = vmg_id'DVDVIDEO-VMG',   %s = provider_id'',   track = [     {   %s = ix1,   %s = length6126.533, I believe

Re: [FFmpeg-user] OBS multicast

2014-12-04 Thread Joseph Curtin
Pretty sure this is what you're looking for: https://github.com/arut/nginx-rtmp-module#multi-worker-live-streaming If I have some time tonight, I'll run another test to make sure I'm not blowing smoke. On Thu, Dec 4, 2014 at 1:52 PM, Eric Lovelace eric.lovel...@msdmail.net wrote: Joseph Curtin

[FFmpeg-user] Use ffmpeg to convert stereo audio to mono

2014-12-04 Thread Wesley Wen
Hi, Could we know how ffmpeg determine audio channel number from MP4 file? MP4 container indicates it's channel count is 2, but ffprobe shows mono as expected. -- I use ffmpeg to convert a audio into mono by the following command: ffmpeg -y -t 30 -i audio.mp4 -dn -sn -vn -map 0 -c:a libfdk_aac

[FFmpeg-user] Delay between the first packet and last packed in the muxing queue

2014-12-04 Thread Matej Mailing
Hi, when muxing the screen capture with the live mp3 stream, it sometimes happens that live mp3 stream becomes unavailable for a short moment (due to routing issues etc.) and when this happens, the error http://mp3.rtvslo.si/val202: Unknown error pops up. After this error is shown it takes about