[FFmpeg-devel] [PATCH] doc/encoders: correct the description for ts_target_bitrate

Wonkap Jang wonkap at google.com
Wed Dec 18 23:17:00 EET 2019


ts_target_bitrate is in kbps, not bps. This commit clarifies the unit
and modifies the example to match the description.
---
 doc/encoders.texi | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/doc/encoders.texi b/doc/encoders.texi
index 4ee518a124..a207363650 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -1893,7 +1893,7 @@ key=value pairs. For example, to specify temporal scalability parameters
 with @code{ffmpeg}:
 @example
 ffmpeg -i INPUT -c:v libvpx -ts-parameters ts_number_layers=3:\
-ts_target_bitrate=250000,500000,1000000:ts_rate_decimator=4,2,1:\
+ts_target_bitrate=250,500,1000:ts_rate_decimator=4,2,1:\
 ts_periodicity=4:ts_layer_id=0,2,1,2 OUTPUT
 @end example
 Below is a brief explanation of each of the parameters, please
@@ -1903,7 +1903,8 @@ details.
 @item ts_number_layers
 Number of temporal coding layers.
 @item ts_target_bitrate
-Target bitrate for each temporal layer.
+Target bitrate for each temporal layer (in kbps).
+(bitrate should be inclusive of the lower temporal layer).
 @item ts_rate_decimator
 Frame rate decimation factor for each temporal layer.
 @item ts_periodicity
-- 
2.24.1.735.g03f4e72817-goog



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