[FFmpeg-user] Streaming quality
Carl Eugen Hoyos
ceffmpeg at gmail.com
Sat Jun 27 18:34:29 EEST 2020
Am Sa., 27. Juni 2020 um 17:08 Uhr schrieb Simon Roberts
<simon at dancingcloudservices.com>:
> On Sat, Jun 27, 2020 at 1:46 AM Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> > > Am 27.06.2020 um 05:26 schrieb Simon Roberts <
> > simon at dancingcloudservices.com>:
> > >
> > > ffmpeg -i <filename> -f mpegts tcp://192.168.1.109:2000
> > Either specify a constant quantiser with “-qscale 10 -mbd 2” or a constant
> > bitrate with “-b:v 1000k” or use “-vcodec libx264” for an encoder with a
> > better default or “-vcodec copy” to avoid re-encoding.
> Many thanks Carl that fixed it.
> I guess the inference that I had missed is that there's some kind of
> default encoding going on here--it's not just a network pipe.
Yes, this would make no sense.
> Is that a general case for ffmpeg, or is it specific to streaming
Every format has a default encoder...
> or perhaps this streaming mode?
> (and, far less important since I doubt I'll ever want to
> use it, is the encoding predictable, or does it vary by build?)
... which in some cases depends on compilation options.
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