Hi Robin, Ah yes, it does indeed seem to explain what's going on; thank you for that.
Thanks. Anubis. -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Robin Theissen Sent: Wednesday, 4 February 2015 9:07 AM To: FFmpeg user questions Subject: Re: [FFmpeg-user] SPAM-HIGH: Re: FFmpeg connecting to DVB-T system has cropping Most TV Sets especially older ones do crop a bit. Look into title safe/ action safe and see if that explains Your problems Robin Von meinem iPhone gesendet > Am 03 Feb 2015 um 22:26 schrieb "Anubis" <[email protected]>: > > Hi Roger, > > If I capture to a file, there's no cropping, it displays as normal, > same as if I view the stream in VLC. > > Removing the aspect doesn't seem to make any difference I'm afraid; > although the aspect should be implied by the -s specification. > > I was more wondering if there was some kind of specification in DVB-T > which stated that the picture would have a border of sorts that's not > shown on screens; doesn't really make sense, but just coming up with ideas. > > Thanks. > Anubis. > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] > On Behalf Of Roger Pack > Sent: Wednesday, 4 February 2015 7:46 AM > To: FFmpeg user questions > Subject: SPAM-HIGH: Re: [FFmpeg-user] FFmpeg connecting to DVB-T > system has cropping > > What if you just capture to a file, is it cropped? What if you leave > out aspect ratio [shouldn't that be 1:1?] > >> On 2/2/15, Anubis <[email protected]> wrote: >> Hi All, >> >> I'm trying to get a h264 stream setup between a server we use to >> produce a local content channel and our DVB-T2 h264 compatible TV >> distribution system. >> I've got the stream being picked up by the TV system (albeit a bit >> poor quality at this stage) but my main issue is that the picture is >> being cropped, as if it's too large to fit in the screen. >> >> The resolution on the server is 1920x1080 and the stream is setup >> with the following parameters: >> >> ffmpeg ^ >> -f dshow -i video="screen-capture-recorder" ^ -f dshow -i >> audio="Stereo Mix (Realtek High Definition Audio)" ^ ^ -c:v libx264 >> ^ -tune zerolatency ^ -preset:v veryfast ^ -x264opts >> bitrate=4000:vbv-maxrate=4000:vbv-bufsize=3000:ratetol=200:vbv-init=2 >> 0 >> 0 ^ -pix_fmt yuv420p ^ -bf 3 ^ -b_strategy 1 ^ -profile:v high ^ >> -level:v 4.1 ^ -r 25.00 ^ -g 25 ^ -s 1920x1080 ^ -aspect 16:9 ^ >> -b:v 4M ^ -minrate 4M ^ -maxrate 4M ^ -bufsize 2M ^ ^ -c:a >> libmp3lame ^ -b:a 256k^ -ar 44100 ^ -ac 2^ -threads 0 ^ >> -streamid >> 0:430 ^ -streamid 1:446 ^ ^ -f mpegts ^ >> udp://224.2.2.70:5000?localaddr=192.168.5.70^&pkt_size=1316 >> >> >> Is there something that I've misconfigured which would make the >> picture seem cropped or zoomed in? I've checked on a number of >> different TV's but all display the same. >> >> Also, I need to try and keep the channel to a max of 4Mbps; are the >> settings I have here the best quality I could get out of the picture >> while keeping within 4Mbps? >> >> >> Thanks >> Anubis. >> >> >> >> >> _______________________________________________ >> ffmpeg-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > > > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
