[FFmpeg-user] MPEG-2 CBR

Janez Miklavcic svislartv at gmail.com
Thu Jan 15 12:30:13 CET 2015

f:/ffmpeg/bin/ffmpeg.exe -f dshow -video_size 720x576 -framerate 25
-pixel_format bgr24 -i video="VidBlaster VVD" -mpegts_service_id 0x002
-metadata service_name="POLANC TV INFO" -metadata service_provider="SVISLAR
telekom d.o.o." -vcodec mpeg2video -b:v 2000k -minrate:v 2000k -maxrate:v
2000k -bufsize 200000k -q 3 -s: 720x576 -r 25 -g 50 -f mpegts
-mpegts_pmt_start_pid 0x3E8 -mpegts_start_pid 0x3E9 -muxrate 20M udp://

Although bitrate is set to 2Mbit/s it jumps to 20 Mbit/s.


2015-01-15 12:03 GMT+01:00 Roger Pack <rogerdpack2 at gmail.com>:

> On 1/14/15, Janez Miklavcic <svislartv at gmail.com> wrote:
> > Dear All,
> >
> > I've been trying to achive constant video bitrate for mpeg-2 with
> different
> > settings of ffmpeg (windows) but no success.
> > The source was dshow.
> > I've been testing video bitrate with TS reader.
> > Can you tell me if video CBR in MPEG-2 is possible or not and if yes can
> > you send me the settings.
> uncut command line and console output of failing example please?
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