[Kdenlive-devel] Audio sync issue

[Jean-Francois Lalande]

Hi,

is the configuration of your project the same as the input file (the
MOV) ? 

Usually their three things that should be coherent:

- FPS of the input files (MOV)
- FPS of the configuration of the project
- FPS of the rendering profile

If ones of those is not the same (for example your file is 23.98 and
you render in a project using 25 and the rendered file is a DVD using
30) then, it can cause this sort of issue.

I personnaly use a lot of .MOV file from my Nikon D3100 and all is
going fine, excet some time when FPS do not match. 

Jean-Francois.

Le Thu, 7 Feb 2013 14:19:38 -0600,
el jefe delito <eljefedelito at gmail.com> a écrit :

> Good day!
> 
> I'm running KDEnlive 0.9.4 on Debian Sid, editing MOV (mp4) files
> from my Nikon 5100 DSLR camera.  When I render, regardless of the
> output format, I get audio-sync issues; words don't quite match up
> with the mouth which speaks them.
> 
> Is there anything I can do to prevent this?  should I create a bug
> report?
> 
> Thanks much for the software and hard work.
> 
> 
> "
> $ ffmpeg -i DSC_0120.MOV
> ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
>   built on Jun 10 2012 06:24:55 with gcc 4.7.0
>   configuration: --prefix=/usr --extra-cflags='-g -O2
> -fstack-protector --param=ssp-buffer-size=4 -Wformat
> -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache
> cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree
> --disable-decoder=libdirac --enable-libvorbis --enable-pthreads
> --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab
> --enable-libgsm --enable-libtheora --enable-libopencore-amrnb
> --enable-libopencore-amrwb --enable-libx264 --enable-libspeex
> --enable-nonfree --disable-stripping --enable-libschroedinger
> --disable-encoder=libschroedinger --enable-version3
> --enable-libopenjpeg --enable-libvpx --enable-librtmp
> --enable-avfilter --enable-libfreetype --enable-libvo-aacenc
> --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus
> --libdir=/usr/lib/x86_64-linux-gnu --disable-vda --enable-libbluray
> --enable-libdc1394 --disable-altivec --disable-armv5te
> --disable-armv6 --disable-vis --shlibdir=/usr/lib/x86_64-linux-gnu
> 
>   libavutil      51. 54.100 / 51. 54.100
>   libavcodec     54. 23.100 / 54. 23.100
>   libavformat    54.  6.100 / 54.  6.100
>   libavdevice    54.  0.100 / 54.  0.100
>   libavfilter     2. 77.100 /  2. 77.100
>   libswscale      2.  1.100 /  2.  1.100
>   libswresample   0. 15.100 /  0. 15.100
>   libpostproc    52.  0.100 / 52.  0.100
> 
> Guessed Channel Layout for  Input Stream #0.1 : stereo
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'DSC_0120.MOV':
>   Metadata:
>     major_brand     : qt
>     minor_version   : 537331968
>     compatible_brands: qt  niko
>     creation_time   : 2012-11-25 11:31:21
>   Duration: 00:00:26.27, start: 0.000000, bitrate: 7337 kb/s
>     Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661),
> yuvj420p, 1280x720 [SAR 1:1 DAR 16:9], 5762 kb/s, 23.98 fps, 23.98
> tbr, 24k tbn, 47.95 tbc
>     Metadata:
>       creation_time   : 2012-11-25 11:31:21
>     Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz,
> stereo, s16, 1536 kb/s
>     Metadata:
>       creation_time   : 2012-11-25 11:31:21
> At least one output file must be specified
> "