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--- ffprobe:duration [2025/05/27 08:11] – created peter
+++ ffprobe:duration [2025/05/27 08:45] (current) – peter
@@ Line 1: / Line 1: @@
 ====== ffprobe - Duration ======
+===== Container Format Duration =====
 <code bash>
-ffprobe -i <file> -show_entries format=duration -v quiet -of csv="p=0"
+ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 input.mp4
 </code>
@@ Line 8: / Line 10: @@
 <code>
-.12
+.024000
 </code>
 <WRAP info>
 **NOTE:**  The output duration is in seconds.
+Adding the **-sexagesimal** option will use the HOURS:MM:SS.MICROSECONDS time unit format:
+<code>
+:00:30.024000
+</code>
 </WRAP>
+----
+===== Stream duration =====
+Duration of the first video stream:
+<code bash>
+ffprobe -v error -select_streams v:0 -show_entries stream=duration -of default=noprint_wrappers=1:nokey=1 input.mp4
+</code>
+returns:
+<code>
+.000000
+</code>
+<WRAP info>
+**NOTE:**  Not all formats, such as Matroska and WebM, store duration at the stream level resulting in duration=N/A.
+  * Refer to Format (container) duration instead.
+</WRAP>
+----
+===== Get duration by decoding =====
+Get the duration by fully decoding the file.
+  * The null muxer is used so no output file is created.
+<code bash>
+ffmpeg -i input.mkv -f null -
+</code>
+returns:
+<code>
+...
+frame=206723 fps=1390 q=-0.0 Lsize=N/A time=00:57:28.87 bitrate=N/A speed=23.2x
+</code>
+<WRAP info>
+**NOTE:**  This will report the correct duration in case the methods shown above using ffprobe are incorrect or missing due to corrupt, truncated, or damaged files.
+  * **time=** - in the next-to-last line of the console output has the duration.
+    * In this example the input has a duration of 00:57:28.87.
+  * The command may take some time depending on the input file duration and decoding complexity.
+</WRAP>
+----