[Libav-user] FFMPEG Ported to iOS and Use Segment Function

[Krissa Carbon]

Good day.

I have been trying to implement a video segmenter in objective-c for an
application on iPhone. I see that the ffmpeg has all the things I need such
as encoders when used in a terminal of a pc.

I have already ported the ffmpeg codes to be used in iOS. I would like to
ask if you can give me tips on how can I trace the encoding and
segmentation process in the ffmpeg code so I can mimic this process in iOS.

the command I use to encode and segment my file using mac terminal is:

ffmpeg -i <video-file> -vcodec libx264 -acodec libfaac -r 29.97 -profile:v
baseline -b:v 2048k -maxrate 2048k -minrate 2048k -bufsize 2048k
-force_key_frames 'expr:gte(t,n_forced*1)' -map 0 -flags -global_header -f
segment -segment_list index.m3u8 -segment_time 1 -segment_format mpeg_ts
-segment_list_type m3u8 segment%05d.ts

or

ffmpeg -i <video-file>  -c copy -bsf h264_mp4toannexb -r 29.97 -profile:v
baseline -b:v 2048k -maxrate 2048k -minrate 2048k -bufsize 2048k
-force_key_frames 'expr:gte(t,n_forced*1)' -map 0 -flags -global_header -f
segment -segment_list index.m3u8 -segment_time 1 -segment_format mpeg_ts
-segment_list_type m3u8 segment%05d.ts

*Krissa G. Carbon*

think. create. inspire.
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