[FFmpeg-user] MPEG-2 CBR

[Claudiu Rad-Lohanel]

On 1/15/2015 1:30 PM, Janez Miklavcic wrote:
> 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://
> 232.8.8.8:55002?pkt_size=188

what's this? what would you expect it to do if you tell it to go at 20Mbit?

-muxrate 20M


>
> Although bitrate is set to 2Mbit/s it jumps to 20 Mbit/s.
>
> Thnaks,
> Janez
>
> 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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-- 
jazzman