Changes between Version 36 and Version 37 of Encodings/nvenc

Timestamp:

11/07/14 15:00:14 (6 years ago)

Author:

Antoine Martin

Comment:

--

Encodings/nvenc

@@ -4 +4 @@
 
 This encoder offers [http://xpra.org/stats/NVENC/ the best latency], which is most noticeable at higher resolutions (1080p and up).
+}}}
 
+
+{{{#!div class="box"
 == Hardware ==
-This encoder requires a [https://developer.nvidia.com/nvidia-video-codec-sdk#gpulist supported NVIDIA graphics card] (Tesla, Quadro K4000 and up, ..) or a card which has the NVENC chip (GTX 680?, GTX 750 and up for sure) and a license key. (...)
+This encoder requires a [https://developer.nvidia.com/nvidia-video-codec-sdk#gpulist supported NVIDIA graphics card]:
+* Tesla onwards cards: Quadro K4000 and up, .. (no license key required)
+* Some consumer cards (ie: GTX 680, GTX 750 and up for sure) and a license key
 }}}
 
@@ -16 +21 @@
 
 If your CUDA ({{{libcuda.so}}}) or NVENC ({{{libnvidia-encode.so}}}) libraries are installed in an unusual location, it is your responsibility to ensure they can be loaded at runtime, usually by adding the directory to the {{{LD_LIBRARY_PATH}}}.
+
+Note: xpra version 0.15 or newer is required. (older versions require the full CUDA SDK at runtime)
 }}}
 
 {{{#!div class="box"
 == Using NVENC ==
+If the nvenc codec loads properly, it will be used ahead of the x264 software encoder automatically (that's assuming that the encoding used is `h264` - which is the default).
 
-If the nvenc codec loads, it will be used ahead of x264 when you specify the `h264` encoding, you can verify the encoder in use with:
+You can verify the video encoder in use with:
 {{{
 xpra info | grep "encoder="
 }}}
 
-Note: your xpra version must be either 0.15 or newer. (older versions require the full CUDA SDK and a more complicated setup)
+Scaling: nvenc supports scaling natively, see [/wiki/CSC#Scaling CSC/Scaling] for details on how to configure scaling.
+}}}
 
-To force xpra to use nvenc as video encoder and no other, you can also use the {{{--video-encoders=}}} command line option:
+{{{#!div class="box"
+== Debugging ==
+To force xpra to use nvenc exclusively as video encoder, you can use the {{{--video-encoders=}}} command line option:
 {{{
 xpra start :10 --video-encoders=nvenc
@@ -42 +53 @@
 xpra start -d nvenc ...
 }}}
-
-Scaling: nvenc supports scaling natively, see [/wiki/CSC#Scaling CSC/Scaling] for details on how to configure scaling.
 }}}