Differences

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--- software:video [2014/12/31 12:41]
cyril [ffmpeg]
+++ software:video [2024/04/12 23:20] (current)
cyril [mp3] mp3cut usage
@@ Line 47: / Line 47: @@
 		| convert im3.png - -append final.png
 </code>
+=== Create animated GIF ===
+<code>convert -delay 50 -loop 0 *.jpg out.gif</code>
 === Formats ===
@@ Line 171: / Line 175: @@
   * overlay two videos:<code>
 ffmpeg -i in1.avi -vf "movie=in2.avi [b]; [in][b] overlay=320:0"
+</code><code>
+ffmpeg -i in1.avi -i in2.avi -filter_complex "[0:v][1:v] overlay=320:0"
 </code>
@@ Line 182: / Line 188: @@
   * cut clip (ss is start time, t is duration):<code>
-ffmpeg -i in.avi -ss 00:00:23 -t 00:00:19 out.avi
+ffmpeg -i in.avi -ss 00:00:23 -t 00:00:19 -vcodec copy -acodec copy out.avi
 </code>
@@ Line 216: / Line 222: @@
 lame -V2 --vbr-new -q0 --lowpass 10 -s 22.05 -b32 file.wav file.mp3
 </code>
+=> ''mp3cut''
+To cut an mp3 file (warning: ID3 tags are not copied):
+<code bash>
+mp3cut -o output.mp3 -t 00:00:05+700-00:00:07+800 input.mp3
+</code>
+To concatenate mp3 files:
+<code bash>
+mp3cut -o output.mp3 input1.mp3 input2.mp3 input3.mp3
+</code>
+=> ''id3cp''
+To copy ID3 tags from a file to another one.
+=> ''id3v2''
+To view and edit ID3 tags in command line.
+=> ''kid3''
+To view and edit ID3 tags in GUI.
 ==== ogg ====