Re: [FFmpeg-user] Stream Channel With ٍSubtitle

2016-08-07 Thread Eng . Hany Ahmed
Thank you for answer i made the command but i got error in the output it's in the file attached please check it thanks again Best Regards , > From: ceffm...@gmail.com > Date: Mon, 8 Aug 2016 01:57:49 +0200 > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] Stream Channel With ٍSub

Re: [FFmpeg-user] Stream Channel With ٍSubtitle

2016-08-07 Thread Carl Eugen Hoyos
Hi! 2016-08-08 1:51 GMT+02:00 Eng.Hany Ahmed : > the full command and the results in the file attachment . (Making it more difficult to answer inline.) Our flv muxer supports -scodec text, you can use the zvbi decoder (that I can see is compiled into your FFmpeg binary) to decode the teletext st

Re: [FFmpeg-user] Stream Channel With ٍSubtitle

2016-08-07 Thread Eng . Hany Ahmed
the full command and the results in the file attachment . Best Regards , > From: ceffm...@gmail.com > Date: Mon, 8 Aug 2016 01:35:39 +0200 > To: ffmpeg-user@ffmpeg.org > Subject: Re: [FFmpeg-user] Stream Channel With ٍSubtitle > > Hi! > > 2016-08-06 17:58 GMT+02:00 Eng.Hany Ahmed : >

Re: [FFmpeg-user] Stream Channel With ٍSubtitle

2016-08-07 Thread Carl Eugen Hoyos
Hi! 2016-08-06 17:58 GMT+02:00 Eng.Hany Ahmed : > i using astra DVB stream with format like > http://85:5454@159.8.154.85:5455/RTL8 i want stream it to > like rtmp://127.0.0.1:9001/live/rtl8 with subtitle in the rtmp output > the subtitle from the downlink What format are you sending over rtmp /

Re: [FFmpeg-user] resolution of the waterfall diagram of typical mp3 file

2016-08-07 Thread Florin Andrei
On 2016-08-07 14:28, Nicolas George wrote: You can not compute the spectrum of a single sample, that does not make sense mathematically. The spectrum needs to be computed on the whole stream, or at least, if you want to observe how it evolves during time, over a window large enough. Then it'

Re: [FFmpeg-user] resolution of the waterfall diagram of typical mp3 file

2016-08-07 Thread Nicolas George
Le primidi 21 thermidor, an CCXXIV, Florin Andrei a écrit : > For that particular file, the resolution of the time dimension is pretty > clear: it's 44100 samples per second. You are making a wrong assumption here, and that is tainting the rest of your reasoning. You can not compute the spectrum

[FFmpeg-user] resolution of the waterfall diagram of typical mp3 file

2016-08-07 Thread Florin Andrei
Consider an mp3 file, mono (single channel), 44.1 kHz, encoded at 128 kb/s constant bitrate (to keep things simple) with your encoder of choice using average settings (let's say whatever ffmpeg uses as defaults for this case). Think of the full 3D representation of the spectrum of the whole fi

Re: [FFmpeg-user] [BUG] libopus "mapping family" option breaks encoding of audio streams with more than 2 channels

2016-08-07 Thread Peter White
Peter White wrote: Apparently the -mapping_family option for the libopus encoder ... Oops, I just now realized that bug reports are supposed to be submitted to the bug tracker. Sorry about that. I will open a report there. ___ ffmpeg-user mailing list

[FFmpeg-user] [BUG] libopus "mapping family" option breaks encoding of audio streams with more than 2 channels

2016-08-07 Thread Peter White
Apparently the -mapping_family option for the libopus encoder, introduced by commit 3794187, breaks encoding of audio with more than 2 channels. Encoding a 5.1 audio stream without any further options errors out, because channel layout 5.1(side) is supposedly invalid. OTOH, opusenc has no problem