Uses GStreamer to generate a bunch of video files from a single video file. These files are useful for testing embedded microprocessors.

generate_test_videos

#!/usr/bin/env bash
# generate_test_videos
# Uses GStreamer to generate a bunch of video files from a single video file
# These files are useful for testing embedded microprocessors
# Flint Weller 20211015


# --------------------------------
# IMPORTANT - Choose 1 or 2 below, and comment out the one you don't want

# 1 Specify the name of the input file in this script
#inputfile="sintel.mp4"

# 2 Specify the name of the input file while calling this script
inputfile=$1

# --------------------------------
# makeh264 - Create an mp4 video container file with h264 encoding

makeh264() {
	width=$1
	height=$2
	framerate=$3
	outputfile=$4
	gst-launch-1.0 filesrc location=$inputfile ! \
  decodebin name=decode ! \
    videorate ! videoscale ! video/x-raw, format=I420, width=$width, height=$height, framerate=$framerate ! \
    x264enc ! video/x-h264,profile=main ! mp4mux name=mp4mux ! filesink location=$outputfile \
    decode. ! audioconvert ! lamemp3enc bitrate=128 ! queue ! mp4mux.audio_0
}

# --------------------------------
# makeh265 - Create an mp4 video container file with h265 encoding

makeh265() {
	width=$1
	height=$2
	framerate=$3
	outputfile=$4
	gst-launch-1.0 filesrc location=$inputfile ! \
  decodebin name=decode ! \
    videorate ! videoscale ! video/x-raw, format=I420, width=$width, height=$height, framerate=$framerate ! \
    x265enc ! video/x-h265,profile=main ! h265parse ! mp4mux name=mp4mux ! filesink location=$outputfile \
    decode. ! audioconvert ! lamemp3enc bitrate=128 ! queue ! mp4mux.audio_0
}

# --------------------------------
# makeraw - Create a raw video (RTP RFC 4175) container file

makeraw() {
	width=$1
	height=$2
	framerate=$3
	outputfile=$4
	gst-launch-1.0 filesrc location=$inputfile ! \
    qtdemux name=demux  \
    demux.video_0 ! queue ! decodebin ! videorate ! videoconvert ! videoscale ! \
    video/x-raw, format=I420, width=$width, height=$height, framerate=$framerate ! \
    queue ! filesink location=$outputfile
}

# All remaining lines make calls to above functions, one line per output video file

# --------------------------------
# RAW

#QVGA
makeraw "320" "240" "30/1" "$inputfile-qvga-320x240_30fps.raw"
makeraw "320" "240" "15/1" "$inputfile-qvga-320x240_15fps.raw"

#VGA
makeraw "640" "480" "30/1" "$inputfile-vga-640x480_30fps.raw"
makeraw "640" "480" "15/1" "$inputfile-vga-640x480_15fps.raw"

#SHD
makeraw "1280" "720" "30/1" "$inputfile-shd-1280x720_30fps.raw"
makeraw "1280" "720" "15/1" "$inputfile-shd-1280x720_15fps.raw"

#FHD
makeraw "1920" "1080" "30/1" "$inputfile-fhd-1920x1080_30fps.raw"
makeraw "1920" "1080" "15/1" "$inputfile-fhd-1920x1080_30fps.raw"


# --------------------------------
# MPEG-4 h.264

#QVGA
makeh264 "320" "240" "30/1" "$inputfile-qvga-320x240_30fps_h264.mp4"
makeh264 "320" "240" "15/1" "$inputfile-qvga-320x240_15fps_h264.mp4"

#VGA
makeh264 "640" "480" "30/1" "$inputfile-vga-640x480_30fps_h264.mp4"
makeh264 "640" "480" "15/1" "$inputfile-vga-640x480_15fps_h264.mp4"

#SHD
makeh264 "1280" "720" "30/1" "$inputfile-shd-1280x720_30fps_h264.mp4"
makeh264 "1280" "720" "15/1" "$inputfile-shd-1280x720_15fps_h264.mp4"

#FHD
makeh264 "1920" "1080" "30/1" "$inputfile-fhd-1920x1080_30fps_h264.mp4"
makeh264 "1920" "1080" "15/1" "$inputfile-fhd-1920x1080_30fps_h264.mp4"

#QHD
makeh264 "2560" "1440" "30/1" "$inputfile-qhd-2560x1440_30fps_h264.mp4"

#UDH
makeh264 "3840" "2160" "30/1" "$inputfile-uhd-3840x2160_30fps_h264.mp4"


# --------------------------------
# MPEG-4 h.265

#QVGA
makeh265 "320" "240" "30/1" "$inputfile-qvga-320x240_30fps_h265.mp4"
makeh265 "320" "240" "15/1" "$inputfile-qvga-320x240_15fps_h265.mp4"

#VGA
makeh265 "640" "480" "30/1" "$inputfile-vga-640x480_30fps_h265.mp4"
makeh265 "640" "480" "15/1" "$inputfile-vga-640x480_15fps_h265.mp4"

#SHD
makeh265 "1280" "720" "30/1" "$inputfile-shd-1280x720_30fps_h265.mp4"
makeh265 "1280" "720" "15/1" "$inputfile-shd-1280x720_15fps_h265.mp4"

#FHD
makeh265 "1920" "1080" "30/1" "$inputfile-fhd-1920x1080_30fps_h265.mp4"
makeh265 "1920" "1080" "15/1" "$inputfile-fhd-1920x1080_30fps_h265.mp4"

#QHD
makeh265 "2560" "1440" "30/1" "$inputfile-qhd-2560x1440_30fps_h265.mp4"

#UDH
makeh265 "3840" "2160" "30/1" "$inputfile-uhd-3840x2160_30fps_h265.mp4"

# --------------------------------
# End