2018-01-29 14:16 GMT+01:00 m.kamalasubha m.kamalasubha < m.kamalasu...@gmail.com>:
> Hello all, > I need to generate audio raw buffer for some 30 seconds from a clip whose > sample rate is 44100 Hz. I used the following FFmpeg command to dump the > raw data. > ffmpeg -i <input> -ss 00:00:00 -t 00:00:30 -f s16le -acodec pcm_s16le > -ac 1 -ar 44100 audi.raw > > Expected audio raw file size : 44100 * 2 * 30 = 2646000 > Actual audio raw file size : 2646176 > > I am wondering from where that extra 176 bytes arrive for 30 secs samples > with sample rate 44100 Hz and sample size 2 bytes respectively. > > > You really should post the complete output from ffmpeg here, it's the *only* way to know what might be happening when the unexpected happens :) (for the record, I tried your command and the output was as expected). _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
