From af354ba6a3df94e46333c55a645d637a5d26cb61 Mon Sep 17 00:00:00 2001
From: Shadab Zafar <dufferzafar0@gmail.com>
Date: Mon, 3 Aug 2015 17:48:15 +0530
Subject: [PATCH] New Sheet: ffmpeg - fast audio video encoder

---
 cheat/cheatsheets/ffmpeg | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 cheat/cheatsheets/ffmpeg

diff --git a/cheat/cheatsheets/ffmpeg b/cheat/cheatsheets/ffmpeg
new file mode 100644
index 0000000..952c45b
--- /dev/null
+++ b/cheat/cheatsheets/ffmpeg
@@ -0,0 +1,12 @@
+# Print file metadata etc.
+ffmpeg -i path/to/file.ext
+
+# Convert all m4a files to mp3
+for f in *.m4a; do ffmpeg -i "$f" -acodec libmp3lame -ab 320k "${f%.m4a}.mp3"; done
+
+# Listen to 10 seconds of audio from a video file
+#
+# -ss : start time
+# -t  : seconds to cut
+# -autoexit : closes ffplay as soon as the audio finishes
+ffmpeg -ss 00:34:24.85 -t 10 -i path/to/file.mp4 -f mp3 pipe:play | ffplay -i pipe:play -autoexit