57 lines
2.3 KiB
CMake
57 lines
2.3 KiB
CMake
# Copyright (c) 2014 Mathieu Malaterre <mathieu.malaterre@voxxl.com>
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#
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# Redistribution and use is allowed according to the terms of the New
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# BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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# check md5 refs
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#
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# This script will be used to make sure we never introduce a regression on any
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# of the nonregression file.
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#
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# The approach is relatively simple, we compute a md5sum for each of the decode
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# file. Anytime the md5sum is different from the reference one, we assume
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# something went wrong and simply fails. of course if could happen during the
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# course of openjpeg development that the internals are changed that impact the
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# decoding process that the output would be bitwise different (while PSNR would
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# be kept identical).
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# Another more conventional approach is to store the generated output from
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# openjpeg however storing the full generated output is generally useless since
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# we do not really care about the exact pixel value, we simply need to known
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# when a code change impact output generation. furthermore storing the
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# complete generated output file, tends to make the svn:/openjpeg-data really
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# big.
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# This script expect two inputs
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# REFFILE: Path to the md5sum.txt file
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# OUTFILENAME: The name of the generated file we want to check The script will
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# check whether a PGX or a PNG file was generated in the test suite (computed
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# from OUTFILENAME)
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get_filename_component(OUTFILENAME_NAME ${OUTFILENAME} NAME)
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string(FIND ${OUTFILENAME_NAME} "." SHORTEST_EXT_POS REVERSE)
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string(SUBSTRING ${OUTFILENAME_NAME} 0 ${SHORTEST_EXT_POS} OUTFILENAME_NAME_WE)
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file(GLOB globfiles "Temporary/${OUTFILENAME_NAME_WE}*.pgx" "Temporary/${OUTFILENAME_NAME_WE}*.png" "Temporary/${OUTFILENAME_NAME_WE}*.tif")
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if(NOT globfiles)
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message(SEND_ERROR "Could not find output PGX files: ${OUTFILENAME_NAME_WE}")
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endif()
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# REFFILE follow what `md5sum -c` would expect as input:
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file(READ ${REFFILE} variable)
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foreach(pgxfullpath ${globfiles})
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file(MD5 ${pgxfullpath} output)
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get_filename_component(pgxfile ${pgxfullpath} NAME)
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string(REGEX MATCH "[0-9a-f]+ ${pgxfile}" output_var "${variable}")
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set(output "${output} ${pgxfile}")
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if("${output_var}" STREQUAL "${output}")
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message(STATUS "equal: [${output_var}] vs [${output}]")
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else()
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message(SEND_ERROR "not equal: [${output_var}] vs [${output}]")
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endif()
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endforeach()
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