[FFmpeg-user] Couple of newbie questions

[Roger Pack]

> Container : MPEG-PS
> Duration: 03:02:14.36, start: 0.226767, bitrate: 9463 kb/s
> Stream #0:0[0x80]: Audio: ac3, 48000 Hz, 5.1(side), s16, 448 kb/s
> Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x576 [SAR
> 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
>
> To extract a sample, I ran the following...
>
> ffmpeg -i input.mpg -ss 0 -t 30 -c:v copy -c:a copy output.sample.mpg
>
> ... but it still can't play in VLC: There's video but no sound. I

recommend using something besides mpg until
https://ffmpeg.org/trac/ffmpeg/ticket/1720 is resolved