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--- ffmpeg:video:duration [2025/05/27 18:33] – [Calculate it using Size and Bitrate] peter
+++ ffmpeg:video:duration [2025/05/27 18:34] (current) – [By Packet duration_time] peter
@@ Line 63: / Line 63: @@
 <code bash>
-video_pkt_durations=$(ffprobe -v error -select_streams v:$i -skip_frame nokey -show_entries packet=duration_time -of default=nokey=1:noprint_wrappers=1 "input.mkv")
+video_pkt_durations=$(ffprobe -v error -select_streams v:0 -skip_frame nokey -show_entries packet=duration_time -of default=nokey=1:noprint_wrappers=1 "input.mkv")
 sum_video_pkt_duration=0
@@ Line 71: / Line 71: @@
 #echo "Calculating video pkt_duration..."
 for video_pkt_duration in $video_pkt_durations; do
-  sum_video_pkt_duration=$( echo "${sum_video_pkt_duration} + ${video_pkt_duration}" | bc)
+  sum_video_pkt_duration=$(echo "${sum_video_pkt_duration} + ${video_pkt_duration}" | bc)
   (( count_video_pkt_duration++ ))
 done;
-video_duration=$( echo "scale=6; ${sum_video_pkt_duration} " | bc)
+video_duration=$( echo "scale=${precision}; ${sum_video_pkt_duration} " | bc)
 echo "DURATION=${video_duration}"
@@ Line 88: / Line 88: @@
 ----
-===== Calculate it using Size and Bitrate =====
+===== Calculate duration using Size and Bitrate =====
 <code bash>