[FFmpeg-user] changing GOP size

johnnydepp prince_goyal_1987 at yahoo.com
Thu Sep 15 15:45:04 CEST 2011


Hey I am using this command but still its not putting i-frames at required
intervals

ffmpeg -ss 0:0:0 -i "D:\sample videos\input9.vob" -ac 2 -f mpegts 
-acodec libmp3lame -ar 48000 -ab 64000 -s 720x408 -vcodec libx264 -b 1200k 
-flags +loop -cmp +chroma -partitions +parti4x4+partp8x8+partb8x8 -subq 5 
-trellis 0 -refs 1 -coder 0 -me_range 16  -keyint_min 1 -sc_threshold 40 
-i_qfactor 0.71 -bt 1300k -bufsize 524288 -qmin 2 -qmax 48 -aspect 1.7647059 
-g 5 -r 30 -async 2  out.ts

In out.ts i-frame interval is 96. 

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