[FFmpeg-user] encoding live

Dave Bevan dave.bevan at bbc.co.uk
Wed Jun 29 21:02:15 CEST 2011


I'm afraid that's one for Baptiste to answer. I know that the current FFmbc 0.6-rc7 build we use doesn't yet have drawtext filter support if that's any clue (./ffmbc -filters).

--Dave. 

-----Original Message-----
From: ffmpeg-user-bounces at ffmpeg.org [mailto:ffmpeg-user-bounces at ffmpeg.org] On Behalf Of JULIAN GARDNER
Sent: 29 June 2011 16:57
To: FFmpeg user questions and RTFMs
Subject: Re: [FFmpeg-user] encoding live

So how upto date is it as i need DVB Subtitles decoded and burnt into the streams, which ive finished coding and fixing and i am now testing.

joolz




>________________________________
>From: Dave Bevan <dave.bevan at bbc.co.uk>
>To: FFmpeg user questions and RTFMs <ffmpeg-user at ffmpeg.org>
>Sent: Wednesday, 29 June 2011, 14:35
>Subject: Re: [FFmpeg-user] encoding live
>
>Use FFMBC - it supports definition of multiple, different spec "outputs"
>from a single "input".
>
>--Dave. 
>
>-----Original Message-----
>From: ffmpeg-user-bounces at ffmpeg.org
>[mailto:ffmpeg-user-bounces at ffmpeg.org] On Behalf Of JULIAN GARDNER
>Sent: 29 June 2011 14:32
>To: FFmpeg user questions and RTFMs
>Subject: [FFmpeg-user] encoding live
>
>Before i start changing my encoders i was wondering if anybody had any 
>thoughts on single encodes as opposed to dual encodes.
>
>What i have is a list of 15 channels in which i need to provide 2 
>different streams, one 1Mb and one 500k, now at the moment i do each as 
>a seperate ffmpeg instance.
>
>So my question has anybody done the same but joined the 2 encodes into 
>a single instance, thereby saving the extra time in the UDP receive, 
>Video Decode, Video Resize, will this same much time.
>
>
>Currently we do stream 1 as 512x288 with x264 at 1Mb, and stream 2 as
>352x288 with x264 at 500K, all are from a MPEG2 source @720x576 
>@704x576 sometimes.
>
>joolz
>ps. ive had my dvbsubtitles modifications running over a week now, HARD 
>SUBTITLES work.
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