Differences

This shows you the differences between two versions of the page.

--- ffprobe:bitrate [2025/01/12 22:54] – peter
+++ ffprobe:bitrate [2025/01/12 23:00] (current) – peter
@@ Line 27: / Line 27: @@
 <WRAP info>
-**NOTE:** The command pulls the bit rate from the video stream header metadata.
+**NOTE:** The output will be in bits.
-  * That data is not required to be written to the stream, and MKV does not support it.
-    * MKV stores that info in the container, meaning you need to replace **stream=bit_rate** with **format=bit_rate** for MKV containers.
+  * To get this as Kbps divide by 1024.
+  * To get this as Kbps divide by 1048576.
+That data is not required to be written to the stream, and MKV does not support it.
+  * MKV stores that info in the container, meaning you need to replace **stream=bit_rate** with **format=bit_rate** for MKV containers.
 Options:
@@ Line 35: / Line 39: @@
   * **-v quiet**: sets the log level as quiet meaning show no logs.
   * **-v error**: Limits output to errors to avoid any unnecessary information display.
-  * **-select_streams v:0**: Directs the command to focus on the first video stream.
+  * **-select_streams v:0**: selects the first video stream, if you have multiple video streams use this to target the one you want.
-  * **-show_entries stream=bit_rate**: Extracts the average bit rate information from the specified stream (for MP4 files).
+    * Removing this means the bitrate will be shown for all video streams.
-  * **-show_entries format=bit_rate**: Extracts the average bit rate information from the specified stream (for MKV files).
+  * **-show_entries stream=bit_rate**: shows the bitrate value for the specified stream (for MP4 files).
-  * **-of default=noprint_wrappers=1:nokey=1**: Formats output to ensure only the core bit rate value is shown.
+  * **-show_entries format=bit_rate**: shows the bitrate value for the specified stream (for MKV files).
+  * **-of default=noprint_wrappers=1:nokey=1**: Formats the output to not print the header and section information.
   * **input.mp4**: The file under examination.
@@ Line 60: / Line 65: @@
 </code>
+----
+===== References =====
+https://ffmpeg.org/ffprobe.html