Changes between Version 4 and Version 5 of Hardware/QuickSync

Timestamp:

Mar 19, 2019, 8:09:17 AM (8 years ago)

Author:

Zhong,Li

Comment:

--

Hardware/QuickSync

@@ -43 +43 @@
 == Linux ==
 
+You can download the installation binary Media Server Studio from [https://software.intel.com/en-us/intel-media-server-studio/].[[BR]]
+However, only limited HW platforms and Linux distributions are supported by Media Server Studio. [[BR]]
+A whole open source media stack is provided with much wider HW platforms and Linux distributions supported. 
+
+=== Intel open source media stack ===
+
+||= Project Name =||= Supported Gen Graphics =||= Open Source Repo =||
+||  MSDK          ||  gen9+                   || [https://github.com/Intel-Media-SDK/MediaSDK] ||
+||  Libva         ||  gen5+                   || [https://github.com/intel/libva] ||
+||  i965 driver   ||  gen5 ~ gen9.5           || [https://github.com/intel/intel-vaapi-driver] ||
+||  iHD driver    ||  gen9+                   || [https://github.com/intel/media-driver] ||
+
+=== VAAPI VS libmfx ===
+
 It is strongly recommended to use VAAPI with the i965 driver if possible.  Only use libmfx if your use-case specifically requires its particular feature set.
 
@@ -52 +66 @@
 * Interopable with standard APIs (EGL/OpenGL, OpenCL).
 
-libmfx
+libmfx / iHD
 * May give better encode quality in some cases (?).
 * May give higher encode throughput in some cases (particularly on Iris graphics).
@@ -62 +76 @@
 
 (TODO)
+
+Windows version MSDK can be got from [https://software.intel.com/media-sdk]
 
 
@@ -151 +167 @@
 }}}
 
-Encode a 1080p p010le raw yuv input as HEVC main10 profile (supported since KabyLake platform)
+Encode a 1080p p010le raw yuv input as HEVC main10 profile (supported since Kaby Lake platform)
 {{{
 ffmpeg -init_hw_device qsv=hw -filter_hw_device hw -v verbose -f rawvideo -video_size 1920x1080 -pix_fmt p010le -i input.yuv -an \
@@ -212 +228 @@
 }}}
 
+`-qsv_device` is an qsv customized option can be used to specify a hardware device and avoid the default device initialization failure when multiple devices usable (eg: an Intel integrated GPU and an AMD/Nvidia discrete graphics card). 
+One example on Linux (more details please see https://trac.ffmpeg.org/ticket/7649)
+
+{{{
+fmpeg -hwaccel qsv -qsv_device /dev/dri/renderD128 -c:v h264_qsv -i input.mp4 -c:v h264_qsv output.mp4
+}}}