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For more information on the usage of the OpenMax sample applications, please refer to PG252: VCU OpenMax Integration Layer. The source code for the OpenMax Integration Layer sample applications is available at https://github.com/Xilinx/vcu-omx-il/tree/master/exe_omx.

QNX Codec Tests

video-encode

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Input file can be any supported media file format and output is always h264 stream.

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This application demonstrates the video encoding capabilities of OpenMAX AL.

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Support for different formats depends on encoder filters.

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Usage: video-encode [options] [input (url or absolute path)] <output-file-path>
  Command line options:
    -v: increase verbosity, max 5
    -e 1~255: video encoder thread priority
    -c left,right,top,bottom: enable cropping
    --profile-level profile:level
       avc  profile 1-7, level 1-16
       hevc profile 1-9, level 1-14
    --display-type: a desired display type
    --post-to-screen: when using bufferqueue output, this enables
                      the decoded data to be shown on screen too

video-decode

• This application demonstrates the video decoding capabilities of OpenMAX AL.

• Default output is to the DisplayPort interface

mmrplay

• Used to playback .mp4 videos on the DisplayPort interface
  
  Usage:

  Code Block
  mmrplay -a "" -v "screen:/any" <absolute path to media file>.mp4

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# Enable the network inteface
ifconfig xzynq0 10.0.0.100 <target ip address>

# Connect to an NFS server, and mount it at /tmp
fs-nfs3 10.0.0.35:/media/data/nfs_share<nfs server ip address>:<path on server> /tmp

Other Hardware Configurations

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# convert to h.264/avc
ffmpeg -i input.mp4 output.h264
ffmpeg -i test.mp4 -c:v copy -bsf h264_mp4toannexb out.h264

# convert to h.265/hevc
ffmpeg -i test.mp4 -c:v copy -bsf hevc_mp4toannexb out.h265

Creating .mp4 From avc/hevc Encoded Videos

ffmpeg -i <input file in hevc or avc>  -c:v copy -f mp4 <output file>.mp4

Raw Videos

https://media.xiph.org/video/derf/

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