On 4/28/17, Mark Burton <mwjbur...@gmail.com> wrote: > Using a single sendcmd to read text from an external file and command a > single drawtext, is working fine: > > ffmpeg -i input.mov -c:v dnxhd -b:v 115M -pix_fmt yuv422p -vf > "sendcmd=filename=commandFile1,drawtext=fontfile=/System/Library/Fonts/Helvetica.dfont:fontsize=20:fontcolor=white:x=10:y=30:text=" > -an output.mov > > However I need to have two or more drawtext filters being commanded from > separate sendcmd files in the same filtergraph. > > I believe I need to assign filter instance names to each drawtext command > and then reference that name for [TARGET] in the sendcmd text file, but > after reading through the docs and trying a few ideas, I'm no closer. > > The basic command (currently not working): > > ffmpeg -i input.mov -c:v dnxhd -b:v 115M -pix_fmt yuv422p -vf > "sendcmd=filename=commandFile1,drawtext=fontfile=/System/Library/Fonts/Helvetica.dfont:fontsize=20:fontcolor=white:x=10:y=30:text=,sendcmd=filename=commandFile2,drawtext=fontfile=/System/Library/Fonts/Helvetica.dfont:fontsize=20:fontcolor=red:x=10:y=60:text=" > -an output.mov > > Result: > drawtext 1 - after 1 frame at each new text entry, text from commandFile2 is > overriding text from commandFile1. > drawtext 2 - nothing is being drawn by this filter. > > ...contents of the sendcmd files: > > commandFile1 > 00:00:00.000-00:00:01.000 [enter] drawtext reinit 'text=Note A'; > 00:00:01.000-00:00:01.958 [enter] drawtext reinit 'text=Note B'; > > commandFile2 > 00:00:00.000-00:00:01.000 [enter] drawtext reinit 'text=Tag 1'; > 00:00:01.000-00:00:01.958 [enter] drawtext reinit 'text=Tag 2'; >
You need to use Parsed_drawtext_X instead of drawtext, replace X with number of filter in filtergraph. So if its 3rd filter in filtergraph its number will be 2. Because lavfi counts from 0. _______________________________________________ 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".
