Transcoding Sample Ubuntu 20.04

ID 777714
Updated 12/22/2022
Version Latest



Getting Started with Transcoding on Intel® Data Center GPU Flex Series

These steps provide instructions on how to create a media delivery container and run a simple transcoding operation for Ubuntu 20.04 only.
This "Hello World" sample validates that the drivers have been loaded correctly and that the card functioning properly.

Optimized for Description
OS Ubuntu* 20.04
What You Will Learn How to transcode a AVC encoded video file to HEVC encoded video file
Time to Complete 5 minutes


This sample is a command line application that takes a file containing a AVC video elementary stream as an argument, decodes it, and encodes the output file 'WAR_TRAILER_HiQ_10_withAudio.hevc.mp4' as HEVC.

Key Implementation Details

Configuration Default setting
Target device Intel Data Center GPU Flex Series
Input format AVC video elementary stream
Output format HEVC video elementary stream
Output resolution same as input

Transcoding Sample Steps

Step 1: Build the media-delivery docker image

git clone -b release/2.1 && cd media-delivery

Step 2: Build the media-delivery docker image

docker build \
  $(env | grep -E '(_proxy=|_PROXY)' | sed 's/^/--build-arg /') \
  --file docker/ubuntu20.04/intel-gfx/Dockerfile \
  --tag intel-media-delivery \.

Step 3: Enter the docker container

DEVICE_GRP=$(ls -g $DEVICE | awk '{print $3}' | \
  xargs getent group | awk -F: '{print $3}')
mkdir -p /tmp/ats-m && chmod -R 777 /tmp/ats-m
docker run --rm -it -v /tmp/ats-m:/opt/ats-m \
  -e DEVICE=$DEVICE --device $DEVICE --group-add $DEVICE_GRP \
  --cap-add SYS_ADMIN -p 8080:8080 \

Step 4: Run AVC to HEVC FFmpeg transcoding inside docker container

ffmpeg -hwaccel qsv -c:v h264_qsv -extra_hw_frames 8 \
    -i /opt/data/embedded/WAR_TRAILER_HiQ_10_withAudio.mp4 \
    -c:v hevc_qsv -preset medium -profile:v main -async_depth 1 \
    -b:v 4500000 -maxrate 9000000 -bufsize 18000000 \
    -rc_init_occupancy 9000000 \
    -look_ahead_depth 8 -extbrc 1 -b_strategy 1 \
    -bf 7 -refs 4 -g 256 -idr_interval begin_only -strict -1 \
    -vsync passthrough -y /opt/ats-m/WAR_TRAILER_HiQ_10_withAudio.hevc.mp4


You can find more information at the Intel Data Center GPU Flex Series Software Portal.


Content attribution for WAR_TRAILER_HiQ_10_withAudio.mp4: Film: WAR - Courtesy & Copyright: Yash Raj Films Pvt. Ltd.