generate-object-fit-video-tests.sh

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#!/bin/bash

# Any copyright is dedicated to the Public Domain.

# http://creativecommons.org/publicdomain/zero/1.0/

# Script to generate <video src> reftest files, from corresponding reftest

# files that use <video poster>.

# This script expects to be run from this working directory:

#  mozilla-central/layout/reftests/w3c-css/submitted/images3

# It requires that the tools png2yuv and vpxenc be available, from the

# Ubuntu packages 'mjpegtools' and 'vpx-tools'. More info here:

#  http://wiki.webmproject.org/howtos/convert-png-frames-to-webm-video

VIDEO_REFTEST_PATH="../../../webm-video"

imageFileArr=("colors-16x8.png" "colors-8x16.png")

numImageFiles=${#imageFileArr[@]}

# Copy image files, and generate webm files:

for ((i = 0; i < $numImageFiles; i++)); do

  imageFileName=${imageFileArr[$i]}

  imageDest=$VIDEO_REFTEST_PATH/$imageFileName

  echo "Copying $imageDest."

  hg cp support/$imageFileName $imageDest

  videoDest=`echo $imageDest | sed "s/png/webm/"`

  echo "Generating $videoDest."

  png2yuv -f 1 -I p -b 1 -n 1 -j $imageDest \

    | vpxenc --passes=1 --pass=1 --codec=vp9 --lossless=1 --max-q=0 -o $videoDest -

  hg add $videoDest

done

# Add comment to reftest.list in dest directory:

reftestListFileName="$VIDEO_REFTEST_PATH/reftest.list"

echo "

# Tests for <video src> with 'object-fit' & 'object-position':

# These tests should be very similar to tests in our w3c-css/submitted/images3

# reftest directory. They live here because they use WebM video (VP9), and it

# wouldn't be fair of us to make a W3C testsuite implicitly depend on any

# particular (non-spec-mandated) video codec."\

  >> $reftestListFileName

# Loop across all <video poster> tests:

for origTestName in object*p.html; do

  # Find the corresponding reference case:

  origReferenceName=$(echo $origTestName |

                      sed "s/p.html/-ref.html/")

  # The generated testcase will have "-webm" instead of "-png", and unlike

  # the original png test, it won't have a single-letter suffix to indicate the

  # particular container element. (since it's unnecessary -- there's only one

  # possible container element for webm, "<video>")

  videoTestName=$(echo $origTestName |

                  sed "s/png/webm/" |

                  sed "s/p.html/.html/")

  videoReferenceName=$(echo $videoTestName |

                       sed "s/.html/-ref.html/")

  # Generate reference file (dropping "support" subdir from image paths):

  echo "Copying $origReferenceName to $VIDEO_REFTEST_PATH."

  videoReferenceFullPath=$VIDEO_REFTEST_PATH/$videoReferenceName

  hg cp $origReferenceName $videoReferenceFullPath

  sed -i "s,support/,," $videoReferenceFullPath

  # Generate testcase

  # (converting <video poster="support/foo.png"> to <video src="foo.webm">):

  echo "Generating $videoTestName from $origTestName."

  videoTestFullPath=$VIDEO_REFTEST_PATH/$videoTestName

  hg cp $origTestName $videoTestFullPath

  sed -i "s/PNG image/WebM video/" $videoTestFullPath

  sed -i "s/poster/src/" $videoTestFullPath

  sed -i "s,support/,," $videoTestFullPath

  sed -i "s/png/webm/" $videoTestFullPath

  sed -i "s/$origReferenceName/$videoReferenceName/" $videoTestFullPath

  # Update reftest manifest:

  annotation="fails-if(layersGPUAccelerated) skip-if(Android||B2G)"

  comment="# Bug 1083516 for layersGPUAccelerated failures, Bug 1084564 for Android/B2G failures"

  echo "$annotation == $videoTestName $videoReferenceName $comment" \

    >> $reftestListFileName

done