Re: [FFmpeg-user] ct a video precisly

2015-09-16 Thread Henk D. Schoneveld
On 16 Sep 2015, at 12:39, Robert Krüger wrote: > On Wed, Sep 16, 2015 at 12:26 PM, Henk D. Schoneveld > wrote: > >> >> On 16 Sep 2015, at 11:33, gag...@free.fr wrote: >> >>> Hello, >>> >>> I'm trying to cut a video to get 12s sequences. It needs to be accurate. >> Cutting is done on begin a

Re: [FFmpeg-user] ct a video precisly

2015-09-16 Thread Robert Krüger
On Wed, Sep 16, 2015 at 12:26 PM, Henk D. Schoneveld wrote: > > On 16 Sep 2015, at 11:33, gag...@free.fr wrote: > > > Hello, > > > > I'm trying to cut a video to get 12s sequences. It needs to be accurate. > Cutting is done on begin and end of a Group Of Pictures, a GOP. > Splitting always occurs

Re: [FFmpeg-user] ct a video precisly

2015-09-16 Thread Henk D. Schoneveld
On 16 Sep 2015, at 11:33, gag...@free.fr wrote: > Hello, > > I'm trying to cut a video to get 12s sequences. It needs to be accurate. Cutting is done on begin and end of a Group Of Pictures, a GOP. Splitting always occurs the way you mention, it is ‘about 12 seconds’ What is, could be the reason

Re: [FFmpeg-user] ct a video precisly

2015-09-16 Thread Robert Krüger
On Wed, Sep 16, 2015 at 11:33 AM, wrote: > Hello, > > I'm trying to cut a video to get 12s sequences. It needs to be accurate. > But when I ask a 12 seconds sequence (not from the begining for this > example) , I get around 12:01 seconds. > The command line is : > ffmpeg -ss 00:00:00.00 -i GOPR01

[FFmpeg-user] ct a video precisly

2015-09-16 Thread gagall
Hello, I'm trying to cut a video to get 12s sequences. It needs to be accurate. But when I ask a 12 seconds sequence (not from the begining for this example) , I get around 12:01 seconds. The command line is : ffmpeg -ss 00:00:00.00 -i GOPR0151.mp4 -b:v 30150 -t 00:00:12.00 -acodec copy -vcodec