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How can I extract a good quality JPEG image from a video file with ffmpeg?
...le the qscale being roughly half the bitrate.
Recommend trying values of 2-5.
You can use a value of 1 but you must add the -qmin 1 output option (because the default is -qmin 2).
To output a series of images:
ffmpeg -i input.mp4 -qscale:v 2 output_%03d.jpg
See the image muxer documentation for mo...
Postgres: How to do Composite keys?
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175
Your compound PRIMARY KEY specification already does what you want. Omit the line that's giving...
What is the second parameter of NSLocalizedString()?
...e answers.
– Manni
Oct 9 '12 at 13:25
It's also what will be used if the strings file doesn't contain an entry that ma...
Unpivot with column name
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dasblinkenlight
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answered Sep 27 '13 at 16:48
Taryn♦Ta...
Extract substring using regexp in plain bash
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answered Nov 14 '12 at 4:54
Gilles QuenotGilles Quenot
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Eclipse: Can you format code on save?
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205
Under Preferences, choose Java --> Editor --> Save Actions. Check the Perform the selecte...
Freely convert between List and IEnumerable
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15
Don't forget using System.Linq; or you won't be able to ToList()
– Jason
Apr 19 '12 at 4:25
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