====== ffprobe - Streams - Get stream fields ======

===== Get all fields =====

<code bash>
ffprobe -v 0 -select_streams a -show_entries stream file
</code>

returns:

<code>
[STREAM]
index=1
codec_name=ac3
codec_long_name=ATSC A/52A (AC-3)
profile=unknown
codec_type=audio
...
TAG:language=eng
...
[/STREAM]
</code>

<WRAP info>
**NOTE:** 

  * **-select_streams a**:  This queries all audio streams.
    * Change the **a** for **a:0** or **a:1** to specify a specific stream. <code bash>
ffprobe -v 0 -select_streams a:0 -show_entries stream file
</code>

Be aware that the result will not returned in the order specified in the command.

  * It is in the order that the metadata is in the file.

</WRAP>


----

===== Get selected fields =====

<code bash>
ffprobe -v 0 -select_streams a -show_entries stream=index,codec_name,channels:stream_tags=language -of default=nk=1:nw=1 a.mkv
</code>

returns:

<code>
1
ac3
6
rus
2
ac3
6
eng
</code>