kopia lustrzana https://github.com/F5OEO/tstools
86 wiersze
3.1 KiB
Plaintext
86 wiersze
3.1 KiB
Plaintext
Test data
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=========
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It can be difficult to find test data, particularly for Transport Stream.
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It is especially difficult to work out what one is allowed to copy and put on
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one's own website.
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The doctests in the "python" directory (sibling to this data directory) need
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at least *some* predictable data to play with.
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Contents of this directory
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==========================
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For Linux users, a convenient ``setup.sh`` is provided, which will use
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``wget`` to download a segment of `Elephant's Dream`_, ``unzip`` it, and
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produce an ES file from (the resulting) TS file.
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This is then used as test data by the doctests in the sibling ``python``
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directory.
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Useful links
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============
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Consolidated list of test video clip resources
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----------------------------------------------
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http://forum.doom9.org/archive/index.php/t-135034.html
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A hopefully usedul resource on the Doom9 forum.
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Note the link to a list of "broken" streams:
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http://forum.doom9.org/showthread.php?t=134693
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Elephant's Dream
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----------------
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http://www.elephantsdream.org/
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Last checked: 2008-08-29
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"""Elephants Dream is the world’s first open movie, made entirely with open
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source graphics software such as Blender, and with all production files freely
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available to use however you please, under a Creative Commons license."""
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It is thus clearly allowable to use this data for testing purposes -- see
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below.
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W6RZ Homepage -- MPEG-2 Transport Stream Test Patterns and Tools
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----------------------------------------------------------------
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http://www.w6rz.net/
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Last checked: 2008-08-29
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This appears to be a very useful resource. It includes a variety of HD
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Transport Stream samples, including segments of a TS version of Elephant's
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Dream.
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There is a discussion about the site at
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http://www.avsforum.com/avs-vb/archive/index.php/t-570937.html
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(posts date from 2005 to 2008-11-08, as I'm typing this).
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MPEG 1 layer 1/2/3 MPEG 2 2/3 Test Data at mpegedit.org
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---------------------------------------------------------
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http://mpgedit.org/mpgedit/mpgedit/testdata/mpegdata.html
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Last checked: 2008-08-29 (I've not tried any of the data yet, though))
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I found this by following a link from
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http://www.mpeg.org/MPEG/mpeg-systems-resources-and-software/mpeg-systems-test-bitstreams.html
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ftp://vqeg.its.bldrdoc.gov/HDTV/SVT_exports/
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-------------------------------------------
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This site is referenced from the W6RZ site, as the source of the "Park Run"
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clip (a version of which is on the W6RZ site).
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Note that the README.txt at this location puts restrictions on the use of the
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data on this site, specifically:
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"""Individuals and organizations extracting sequences from this archive agree
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that the sequences and all intellectual property rights therein remain the
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property of Sveriges Television AB (SVT), Sweden. These sequences may only be
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used for the purpose of developing, testing and presenting technology
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standards. SVT makes no warranties with respect to the materials and expressly
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disclaim any warranties regarding their fitness for any purpose."""
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The PDF svt_widexga_final.pdf appears to be an interesting paper, and gives
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previews of each clip.
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