On Sat, 20 Jun 2020, Hans Carlson wrote:
On Sat, 20 Jun 2020, Tom Crane wrote:
I am attempting to extract still frames from a video stream in a
multi-channel DVB-T MPEG transport stream, for example every 2 seconds,
with selected accompanying subtitles but can't get it to work.
[cut]
If you want to combine the video and the sub into a single image, then try
the overlay filter, eg:
ffmpeg -i dvb.ts -filter_complex "[0:26][0:30]overlay" -r 0.5
stills-%04d.jpg
Many thanks for that which does exactly what I wanted.
Add other options as necessary to get desired quality.
Adding '-qscale:v 1' provided the required quality.
Best regards
Tom Crane
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