The project is an HD 1080p 25 fps of 18 minutes. Kdenlive 0.8.3, KDE 4.7.3.

I try with File Rendering MP4 (various bitrate) and I get the message in the subject.

I also try with H.264 (various bitrate) and the job stop at 20%.

I also try with Lossless / HQ (h.264 and mp4) with same result.

Anyone can help me ??

bye bye

Nobody can help me ???

Is this a problem with memory ?? I have 4Gb and I see they are all used the same way as the cpu.

Bye

Any idea ?? Installed all the libraries required but nothing change.

Is there anybody from devolpment team that can help with this problem ????

I see many people hanging with this error messages. Is there a solution or not ???

Bye bye

More error message:

Rendering file /media/Video/compleanno.mp4 crash
[NULL @ 0x58d3220] insufficient thread locking around avcodec_open/close()
[NULL @ 0x58d9500] insufficient thread locking around avcodec_open/close()
consumer_avformat.c: Unable to encode audio - disabling audio output.
[mp4 @ 0x14c9a40] track 1: codec frame size is not set

Hi.

First, please check the settings of MLT processing threads, it is in Kdenlive Settings dialog > Environment > Processing threads (the setting at the bottom). Make sure it is set to 1, and try rendering again if its value was > 1.

Otherwise, one good way to debug rendering issues is to render to script instead of rendering to file.
This creates a bash script in $HOME/kdenlive/scripts that can be run from a terminal.

Then, run the script with:

sh -x ./script001.sh

That might give us some more infos. Also, are you using FFmpeg and libx264 from your distro's official packages?

First of all I thank you for your help.

MLT processing threads is set = 1.

When I run the script with sh -x ./script001.sh, I get "sh: Can't open ./script001.sh"

FFmpeg is origin from Ubuntu version 4:0.7.2-1 ubuntu1

libx264 is from Ubuntu too and version is 2:0.116.2042+git178455c-1ubuntu1


Thank you a lot !!!
Max

Well, if you did use the "Generate script" option in render dialog, it should have told you that a file called script00x.sh was created (where x can be any number). Keep that name and then in a terminal, go to the script directory:

cd $HOME/kdenlive/scripts

And then you can run the script:

sh -x ./script001.sh (replace script001.sh with the name that was given when you did generate the script)

it was written Script001.sh :-/

this is the result:

+ SOURCE=/media/Video/kdenlive/scripts/Script002.sh.mlt
+ TARGET=file:///media/Video/compleanno.mp4
+ RENDERER=/usr/bin/kdenlive_render
+ MELT=/usr/bin/melt
+ PARAMETERS=-pid:4289 /usr/bin/melt atsc_1080p_25 avformat - /media/Video/kdenlive/scripts/Script002.sh.mlt file:///media/Video/compleanno.mp4 f=mp4 acodec=libmp3lame ab=384k ar=44100 vcodec=mpeg4 minrate=0 vb=18000k aspect=@16/9 mbd=2 trellis=1 mv4=1 pass=2 threads=1 real_time=-1
+ /usr/bin/kdenlive_render -pid:4289 /usr/bin/melt atsc_1080p_25 avformat - /media/Video/kdenlive/scripts/Script002.sh.mlt file:///media/Video/compleanno.mp4 f=mp4 acodec=libmp3lame ab=384k ar=44100 vcodec=mpeg4 minrate=0 vb=18000k aspect=@16/9 mbd=2 trellis=1 mv4=1 pass=2 threads=1 real_time=-1
//STARTING RENDERING: false , false , "/usr/bin/melt" , "atsc_1080p_25" , "avformat" , "-" , "/media/Video/kdenlive/scripts/Script002.sh.mlt" , "/media/Video/compleanno.mp4" , () , ("f=mp4", "acodec=libmp3lame", "ab=384k", "ar=44100", "vcodec=mpeg4", "minrate=0", "vb=18000k", "aspect=@16/9", "mbd=2", "trellis=1", "mv4=1", "pass=1", "threads=1", "real_time=-1") , -1 , -1
Started render process: "/usr/bin/melt" "/media/Video/kdenlive/scripts/Script002.sh.mlt -profile atsc_1080p_25 -consumer avformat:/media/Video/compleanno.mp4 progress=1 f=mp4 acodec=libmp3lame ab=384k ar=44100 vcodec=mpeg4 minrate=0 vb=18000k aspect=@16/9 mbd=2 trellis=1 mv4=1 pass=1 threads=1 real_time=-1"
Rendering of "/media/Video/compleanno.mp4" finished
Started render process: "/usr/bin/melt" "/media/Video/kdenlive/scripts/Script002.sh.mlt -profile atsc_1080p_25 -consumer avformat:/media/Video/compleanno.mp4 progress=1 f=mp4 acodec=libmp3lame ab=384k ar=44100 vcodec=mpeg4 minrate=0 vb=18000k aspect=@16/9 mbd=2 trellis=1 mv4=1 pass=2 threads=1 real_time=-1"
"Rendering of /media/Video/compleanno.mp4 aborted, resulting video will probably be corrupted."

Thank you.

Ok, so now can you try this command:

melt -debug /media/Video/kdenlive/scripts/Script002.sh.mlt -profile atsc_1080p_25 -consumer avformat:/media/Video/compleanno.mp4 progress=1 f=mp4 acodec=libmp3lame ab=384k ar=44100 vcodec=mpeg4 minrate=0 vb=18000k aspect=@16/9 mbd=2 trellis=1 mv4=1 pass=2 threads=1 real_time=-1

I see a lot of lines. What do I have to search for ????
What I have to let you know ???

Well, it should crash at 20% like when you start it from Kdenlive. You could post the last lines before the crash...

[consumer avformat] stopping put waiting
[consumer avformat] stopping consumer
[producer avformat] /media/Video/2011/Compleanno Matteo/00026.MTS
mlt_service_cache_get: name producer_avformat object 0x30fe670
mlt_cache_get: get 9 = 0x30fe670, 0x7f37484cd240
[filter deinterlace] previous -1 current 27025 next -1
[consumer avformat] stopping read_ahead
[filter deinterlace] error 0 deint 1 prog 1 fmt yuv422 method yadif
[filter resample] channels 2 samples 1920 frequency 48000 -> 44100
[filter audioconvert] s16 -> float 2 channels 1920 samples
[filter audioconvert] float -> s16 2 channels 1764 samples
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 29
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 28
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 27
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 26
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 25
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 24
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 23
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 22
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 21
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 20
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 19
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 18
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 17
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 16
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 15
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 14
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 13
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 12
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 11
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 10
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 9
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 8
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 7
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 6
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 5
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 4
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 3
cache_object_close: item 0x2ed7c70 object 0x30fe670 data 0x7f37484cd240 refcount 2
[consumer avformat] stopped
cache_object_close: item 0x25f9fd0 object 0x282b890 data 0x6498e10 refcount 1
producer_avformat_close
mlt_cache_close: 9 = 0x1718
cache_object_close: item 0x7f37483bf880 object 0x900 data 0x7f3746bfb020 refcount 1
mlt_cache_close: 0 = 0x8ff
cache_object_close: item 0x7f37480b79c0 object 0x8ff data 0x7f373ffe0020 refcount 1
[consumer avformat] stopping put waiting
[consumer avformat] stopping consumer
[consumer avformat] stopping read_ahead
[consumer avformat] stopped

[filter deinterlace] error 0 deint 1 prog 1 fmt yuv422 method yadif

Is this the cause of the crash ???

bye

Hello ???

No reply ???

Did you forget it ???