Problem to decode frame from mpeg movies
Aurélien Hiron <aurelien.hiron <at> laposte.net>
2003-12-01 14:28:12 GMT
Pleaaaaase, help me...
Hi all, I want to use ffmpeg libraries to make a soft who automatically generate movie previews as a picture or a picture suite.
I just need video stream a movie, so I only decode it.
I have followed api example programme but it seems that I have a problem to decode correctly each frame.
with ffmpeg i don't have this problem.
I have the good output picture number, but it seems that there is a kind of synchronise trouble ...
Some cube appear on many picture.
Attribute of my test video :
Input file: bud.mpeg
Output file: imgs/test%3d.jpeg
Duration: 00h:00m 25s.0
FPS: 24.00
VideoCodecName: mpeg1video
Frame size: 240x160
Bitrate: 104857kb/s
I have this as error :
AudioCodecName: mp2
AudioChannels: 2
AudioSampleRate: 32000Hz
AudioBitrate: 64kb/s
invalid mb type in I Frame at 10 1
concealing errors
Warning MVs not available
end missmatch left=21131
concealing errors
skiped MB in I frame at 4 4
concealing errors
ac-tex damaged at 2 1
concealing errors
skiped MB in I frame at 13 6
concealing errors
ac-tex damaged at 8 4
concealing errors
ac-tex damaged at 0 9
concealing errors
ac-tex damaged at 3 8
concealing errors
ac-tex damaged at 0 2
concealing errors
ac-tex damaged at 11 8
concealing errors
invalid mb type in I Frame at 11 9
concealing errors
skiped MB in I frame at 10 2
concealing errors
invalid cbp at 5 7
concealing errors
skiped MB in I frame at 2 7
concealing errors
invalid cbp at 3 7
concealing errors
skiped MB in I frame at 14 5
concealing errors
end missmatch left=16558
concealing errors
skiped MB in I frame at 1 5
concealing errors
invalid mb type in P Frame at 5 9
concealing errors
skiped MB in I frame at 14 3
concealing errors
ac-tex damaged at 3 6
concealing errors
invalid mb type in I Frame at 1 6
concealing errors
end missmatch left=19664
concealing errors
skiped MB in I frame at 8 7
concealing errors
slice missmatch
concealing errors
skiped MB in I frame at 2 7
concealing errors
skiped MB in I frame at 12 7
concealing errors
invalid cbp at 5 2
concealing errors
...
Thx for your help
Aurelien (from France)
Accédez au courrier électronique de La Poste : www.laposte.net ;
3615 LAPOSTENET (0,34/mn) ; tél : 08 92 68 13 50 (0,34/mn)