Differences

This shows you the differences between two versions of the page.

--- ubuntu:video:ffmpeg:hardware_acceleration_using_gpu:amd_gpu [2023/06/13 09:35] – peter
+++ ubuntu:video:ffmpeg:hardware_acceleration_using_gpu:amd_gpu [2023/06/13 10:22] (current) – removed peter
@@ Line 1: / Line 1: @@
-====== Ubuntu - Video - ffmpeg - Hardware transcoding using GPUs - AMD GPU ======
-[[Ubuntu:Video:ffmpeg:Hardware Acceleration using GPU:AMD GPU:Benchmark|Benchmark]]
-===== AMD GPUs =====
-<code>
-h264_amf
-hevc_amf
-</code>
-----
-===== Decoding =====
-<code bash>
--hwaccel d3d11va
-</code>
-----
-===== Encoding =====
-==== For video resolution <= 4K ====
-<code bash>
--c:v libx264
-or
--c:v h264_amf
-</code>
-==== For video resolution > 4K ====
-<code bash>
--c:v libx265
-or
--c:v hevc_amf
-</code>
-----
-===== Examples =====
-#1 - A corrupt 1920x1080 video:
-<code bash>
-ffmpeg -y -vsync 0 -i "input.mp4" -c:a copy -c:v h264_amf -pix_fmt yuv420p "output.mp4"
-</code>
-----
-#2
-- a 7680x3840 H.265 video with incompatible profile for VHT
-- a stutter playback 7260x3630 60fps 10bit video
-<code bash>
-ffmpeg -y -vsync 0 -i "input.mp4" -c:a copy -c:v hevc_amf -pix_fmt yuv420p "output.mp4"
-</code>
-----
-#3
-- a 7680x7680 video not hardware decoded because is H.264 encoded
-<code bash>
-ffmpeg -y -vsync 0 -i "input.mp4" -c:a copy -c:v hevc_amf -pix_fmt yuv420p "output.mp4"
-</code>
-----