[FFmpeg-cvslog] doc/formats: Update documentation for chromaprint

[Andriy Gelman]

ffmpeg | branch: master | Andriy Gelman <andriy.gelman at gmail.com> | Sun Oct  6 01:49:47 2019 -0400| [4cb124a800d0150f7a632b4a61bc7449f8562e2d] | committer: Gyan Doshi

doc/formats: Update documentation for chromaprint

Silence detection can only be set with algorithm version 3.

Reviewed-by: Gyan Doshi <ffmpeg at gyani.pro>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4cb124a800d0150f7a632b4a61bc7449f8562e2d
---

 doc/muxers.texi | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/doc/muxers.texi b/doc/muxers.texi
index b3da8bf12e..4c88b5daec 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -105,12 +105,14 @@ It takes a single signed native-endian 16-bit raw audio stream of at most 2 chan
 
 @table @option
 @item silence_threshold
-Threshold for detecting silence, ranges from -1 to 32767. -1 disables silence detection and
-is required for use with the AcoustID service. Default is -1.
+Threshold for detecting silence. Range is from -1 to 32767, where -1 disables
+silence detection. Silence detection can only be used with version 3 of the
+algorithm.
+Silence detection must be disabled for use with the AcoustID service. Default is -1.
 
 @item algorithm
-Version of algorithm to fingerprint with. Range is 0 to 4. Version 2 requires that silence
-detection be enabled. Default is 1.
+Version of algorithm to fingerprint with. Range is 0 to 4.
+Version 3 enables silence detection. Default is 1.
 
 @item fp_format
 Format to output the fingerprint as. Accepts the following options: