On Thu, May 24, 2012 at 4:28 AM, <[email protected]> wrote: > I use the below command for making video out of 5 different bmp images: > > ffmpeg -f image2 -r 0.1 -i C:\test%1d.bmp -an -vcodec libx264 -threads 0 -f > h264 -r 0.5 -force_key_frames 0.1 -s 360x240 C:\5frameTest.264
-force_key_frames expects a comma separated list of timestamps, not a "step" or something BR, Alex > I used -force_key_frames instead if -g to inforce the ffmpeg to generate > i-frames. BTW with -g i did not get even the correct video. > The generated video shows the images but not in same interval distance but > shows all 5 images in the video. > > then i use JM decoder and tried to get the frames with s-type=2 nad the > result was just 3 , not 5. > Question is why 5 i-frame in ffmpeg can not be detected in JM? > > On 22 May 2012 20:02, Alex Cohn <[email protected]> wrote: >> >> On Tue, May 22, 2012 at 11:47 AM, <[email protected]> wrote: >> > >> > I have noticed that the I-Frames in a pure h264 video created by ffmpeg >> > is >> > not same as what JM detect as I-Frame in the same video. >> > In JM software s_type=2 means I_Frame. the number of s_types frames are >> > always lower than what ffmpeg shows. >> > What is your advice? >> > Amir >> >> Would you like to upload an example? >> >> Alex > -- > Amir H. Rouhi > PhD Student/ CSIT RMIT University > Room: 14-09-04 > http://raws.adc.rmit.edu.au/~s3288736/blog2/ _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
