24 lines
371 B
Markdown
24 lines
371 B
Markdown
blocky
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====
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## CMake command
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When you built openh264 on `/home/user/openh264`:
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```
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cmake -DCMAKE_CXX_FLAGS=-isystem\ /home/user/openh264/codec/api\ -L/home/user/openh264 ..
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```
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## ffmpeg useful commands
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```
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ffmpeg -i in.mp4 -vframes 300 "%d.png"
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```
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```
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ffmpeg -r 30 -i "%d.png" -vcodec libx264 -pix_fmt yuv420p out.mp4
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```
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```
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ffmpeg -i src.mp4 -t 10s cut.mp4
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```
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