2018-09-19 18:46 GMT+02:00, Anthony Griffiths <neuron...@gmail.com>: > On Wed, Sep 19, 2018 at 5:04 PM, Carl Eugen Hoyos <ceffm...@gmail.com> > wrote: >> 2018-09-19 17:08 GMT+02:00, Anthony Griffiths <neuron...@gmail.com>: >>> I stream video from a canopus advc100 device to a vps running nginx >>> using ffmpeg with the following command: >>> dvgrab -format dv1 - | >>> /home/<me>/Downloads/ffmpeg-git-20170817-64bit-static/ffmpeg >>> -deinterlace -f dv -i - \ >>> -vf >>> [in]drawtext="fontfile=/home/<me>/packages/Fonts/verdana.ttf:textfile=/home/<me>/screentext.txt:fontcolor=white:fontsize=20:x=30:y=30:reload=1"[out] >>> \ >>> -codec:v libx264 -preset slow -aspect 16:9 -s 320x180 -b:v 1500k >>> -maxrate 500k -bufsize 1000k -vf scale=-1:240 -threads 0 -f flv \ >>> -framerate 15 -qscale:v 20 -codec:a aac -b:a 64k -af aformat=s16:44100 >>> rtmp://<ip-address>/<name-nginx> >>> >>> the video plays fine at the other end but there is no text overlay on >>> the video. the file /home/<me>/screentext.txt does have text in it. >>> >>> whats strange is this command does work with text overlay. It streams >>> the same source to the same vps but to red5 server rather than nginx. >>> dvgrab -format dv1 - | /home/<me>/bin/ffmpeg -deinterlace -f dv -i - -f >>> flv >>> \ >>> -vf >>> [in]drawtext="fontfile=/home/<me>/packages/Fonts/verdana.ttf:textfile=/home/<me>/screentext.txt:fontcolor=white:fontsize=20:x=30:y=30:reload=1"[out] >>> \ >>> -y -vcodec flv -s 320x240 -r 10 -b:v 400k -vcodec libx264 -preset >> >> This command looks wrong because you are requesting >> two different video codecs which is likely undefined >> behaviour. >> >>> veryfast -crf 25 -maxrate 1000k -bufsize 6000k \ >>> -g 20 -c:a libfdk_aac -ac 1 -ab 32k -ar 22050 >>> 'rtmp://<ip-address>/<name-red5>' >>> >>> The first command is the one I want to use because it works for >>> playback on a smart phone but i can't get the text overlay to work. >>> can anyone see whats wrong with the command? >> >> Feel free to provide the complete, uncut console output of the >> command you tested. >> >> Carl Eugen > > thankyou for your input. I'm struggling to understand what you mean by > two different video codecs as you didn't specify which however, here
You have (above) "-vcodec flv -vcodec libx264" which is not ok. > is the console output from the first command: > > ffmpeg version 2.5.3 Copyright (c) 2000-2015 the FFmpeg developers This is too old, please test current FFmpeg git head. Carl Eugen _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".