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--- ffprobe:frame:count_number_of_frames [2025/05/27 09:16] – created peter
+++ ffprobe:frame:count_number_of_frames [2025/05/27 09:20] (current) – peter
@@ Line 16: / Line 16: @@
 </WRAP>
+----
+===== Get frame count from video file metadata =====
+<code bash>
+ffprobe -select_streams v:0 -show_entries stream=nb_frames -of default=noprint_wrappers=1 input.mp4
+</code>
+<WRAP important>
+**WARNING:** Fast, but often returns N/A, not reliable.
+</WRAP>
+----
+<code bash>
+ffprobe -count_frames -select_streams v:0 -show_entries stream=nb_read_frames -of default=nokey=1:noprint_wrappers=1 input.mp4
+</code>
+<WRAP important>
+**WARNING:**  Pretty slow, can take a minute for longer videos.
+</WRAP>
+----
+<code bash>
+ffmpeg -i input.mp4 -map 0:v:0 -c copy -f null -
+</code>
+<WRAP important>
+**WARNING:**  Needs to fully decode video once, which is rather slow.
+</WRAP>
+----