docs→rtfd

rtfd/public/ffmpeg/snippets.rst

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+********
+Snippets
+********
+
+Change container
+================
+
+.. code:: shell
+
+ ffmpeg \
+ -i input.avi \
+ -y output.mkv
+
+Record video device
+===================
+
+List formats
+------------
+
+.. code:: shell
+
+ ffmpeg \
+ -f v4l2 -list_formats all \
+ -i /dev/video0
+
+Acquire fastly
+--------------
+
+.. code:: shell
+
+ ffmpeg \
+ -f v4l2 -use_wallclock_as_timestamps true \
+ -video_size 1280x720 -framerate 60 \
+ -input_format bgr24 \
+ -i /dev/video0 \
+ -vf vflip \
+ -codec:v libx264 -preset ultrafast -qp 0 \
+ -y ultrafast.mkv
+
+Cut and shrink
+--------------
+
+.. code:: shell
+
+ ffmpeg -i ultrafast.mkv \
+ -ss 00:00:01.000 -to 00:00:02.000 \
+ -codec:v libx264 -preset veryslow -qp 0 \
+ -y uf.mkv
+
+Compress for web
+----------------
+
+.. code:: shell
+
+ ffmpeg -i uf.mkv \
+ -codec:v libx264 -preset veryslow -qp 23 \
+ -movflags +faststart -pix_fmt yuv420p \
+ -y uf.23.mkv
+
+Cut file
+========
+
+.. code:: shell
+
+ ffmpeg \
+ -i input.mkv \
+ -ss 00:00:01.000 \
+ -to 00:00:02.000 \
+ -codec copy \
+ -y output.mkv
+
+Closest I frames
+----------------
+
+.. code:: shell
+
+ ffmpeg \
+ -ss 00:00:01.000 \
+ -i input.mkv \
+ -to 00:00:02.000 \
+ -codec copy \
+ -y output.mkv