https://wiki.multimedia.cx/api.php?action=feedcontributions&user=Tom&feedformat=atomMultimediaWiki - User contributions [en]2024-03-29T13:09:35ZUser contributionsMediaWiki 1.39.5https://wiki.multimedia.cx/index.php?title=PCX&diff=15371PCX2018-06-05T20:16:01Z<p>Tom: </p>
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<div>* Company: [[ZSoft Corporation]]<br />
* Description: http://www.fileformat.info/format/pcx/spec/a10e75307b3a4cc49c3bbe6db4c41fa2/PCX.TXT<br />
* Extension: .pcx<br />
* Samples: http://samples.mplayerhq.hu/image-samples/pcx/<br />
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PCX is an image file format. Images can be uncompressed or use [[RLE |RLE Compression]].<br />
It was used by PC Paintbrush during the eighties and the early nineties. It supports images with and without color palettes. <br />
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[[Category:Image Formats]]</div>Tomhttps://wiki.multimedia.cx/index.php?title=TGA&diff=15370TGA2018-06-05T20:12:39Z<p>Tom: </p>
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<div>* Company: [[Truevision]]<br />
* Specification: http://www.gamers.org/dEngine/quake3/TGA.txt<br />
* Extensions: tga, targa, icb, vst, vda<br />
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'''TGA''' (also known as '''TARGA''') is a raster graphics file format. Images can be RLE-compressed on uncompressed. There are a few possible types of TGA images:<br />
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0 - no image data is present. Rather not used anywhere.<br />
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1 - uncompressed palette image<br />
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2 - uncompressed true-color image<br />
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3 - uncompressed grayscale<br />
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9 - RLE-encoded palette image<br />
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10 - RLE-encoded true-color image<br />
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11 - RLE-encoded grayscale image<br />
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[[Category:Image Formats]]</div>Tomhttps://wiki.multimedia.cx/index.php?title=TGA&diff=15369TGA2018-06-05T20:04:34Z<p>Tom: </p>
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<div>* Company: [[Truevision]]<br />
* Specification: http://www.gamers.org/dEngine/quake3/TGA.txt<br />
* Extensions: tga, targa, icb, vst, vda<br />
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'''TGA''' (also known as '''TARGA''') is a raster graphics file format. Images can be RLE-compressed on uncompressed. There are a few possible types of TGA images:<br />
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#0 - no image data is present. Rather not used anywhere.<br />
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#1 - uncompressed palette image<br />
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#2 - uncompressed true-color image<br />
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#3 - uncompressed grayscale<br />
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#9 - RLE-encoded palette image<br />
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#10 - RLE-encoded true-color image<br />
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#11 - RLE-encoded grayscale image<br />
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[[Category:Image Formats]]</div>Tomhttps://wiki.multimedia.cx/index.php?title=User:Tom&diff=15368User:Tom2018-06-05T19:59:06Z<p>Tom: Created page with "Hi there! My name's Tom!"</p>
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<div>Hi there!<br />
My name's Tom!</div>Tomhttps://wiki.multimedia.cx/index.php?title=MPL2&diff=15367MPL22018-06-02T09:01:54Z<p>Tom: New page</p>
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<div>* Extensions: .txt<br />
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'''MPL2''' is a very simple subtitle format. It's very similar to both [[TMPlayer]] and [[MicroDVD]]. Line breaks are created with | character. Time codes should be specified in tenths of seconds, that is if text should be displayed at 60.4 sec and last for 3.6 sec you should write:<br />
<pre><br />
[604][640]First line|Second line<br />
</pre><br />
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== Example ==<br />
<pre><br />
[604][640]-First line of dialog|-Second line of dialog<br />
[1604][180]Just one line<br />
</pre><br />
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[[Category:Subtitle Formats]]</div>Tomhttps://wiki.multimedia.cx/index.php?title=MicroDVD&diff=15366MicroDVD2018-06-02T08:56:07Z<p>Tom: New page</p>
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<div>* Extensions: .txt, .sub<br />
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'''MicroDVD''' is a very simple subtitle format based on frame numbers instead of time codes. The format for every line is:<br />
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{START_FRAME}{END_FRAME}Dialog line|Second line of dialog<br />
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== Example ==<br />
<pre><br />
{25}{125}-First line|-Second line<br />
{25}{125}Just one line<br />
</pre><br />
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[[Category:Subtitle Formats]]</div>Tomhttps://wiki.multimedia.cx/index.php?title=TMPlayer&diff=15365TMPlayer2018-06-02T08:52:33Z<p>Tom: New page</p>
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<div>* Extensions: .txt<br />
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'''TMPlayer''' is the simplest possible subtitle format. There are 2 variants: with short time codes and long time codes (more popular). Line breaks are created with | character. You can only specify when the text should appear and not for long. Most programs either display every line for 3 seconds or calculate how long the text should be displayed based on it's length.<br />
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== Example (long codes) ==<br />
<pre><br />
00:01:02:-First line of text|-Second line of text<br />
02:03:44:Another line<br />
</pre><br />
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== Example (short codes) ==<br />
<pre><br />
0:01:02:First line of text|Second line of text<br />
2:03:44:Another line<br />
</pre><br />
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[[Category:Subtitle Formats]]</div>Tomhttps://wiki.multimedia.cx/index.php?title=WebVTT&diff=15364WebVTT2018-06-02T08:46:11Z<p>Tom: Created a new page</p>
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<div>* Extensions: .vtt<br />
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'''WebVTT''' is a subtitle format for use on websites along HTML5 videos. It is bases on [[SubRip]] and isn't very different from it. Basically you can convert any .SRT to .VTT by adding a line with "WEBVTT" before it. You should however strip all formatting since formatting used by WebVTT is not fully compatible with [[SubRip]].<br />
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== Examples ==<br />
<pre><br />
WEBVTT<br />
Kind: captions<br />
Language: en<br />
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1<br />
00:00:00,264 --> 00:00:24,537<br />
line 1<br />
line 2<br />
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2<br />
00:00:00,306 --> 00:00:04,306<br />
line 1<br />
line 2<br />
line 3<br />
line 4<br />
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3<br />
00:00:30,544 --> 00:00:32,545<br />
line 1<br />
</pre><br />
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[[Category:Subtitle Formats]]</div>Tomhttps://wiki.multimedia.cx/index.php?title=ART&diff=15363ART2018-06-02T08:35:42Z<p>Tom: Added links to US patens</p>
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<div>* Extension: art<br />
* Company: AOL<br />
* Samples: http://samples.mplayerhq.hu/image-samples/ART/<br />
* Wikipedia page: http://en.wikipedia.org/wiki/ART_image_file_format (has some interesting links)<br />
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ART is an image format used on the America OnLine (AOL) service. The file format originated with a company named Johnson-Grace and was later acquired by AOL. Allegedly, the format is able to employ a number of different compression techniques depending on the characteristics of the image data.<br />
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== File Format ==<br />
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Integers seem to be in little-endian format.<br />
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0x00 ( +2) ASCII characters "JG", likely for Johnson-Grace<br />
...<br />
0x0D ( +2) width<br />
0x0F ( +2) height<br />
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[[Category:Image Formats]]<br />
[[Category:Undiscovered Image Formats]]<br />
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== Format description ==<br />
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[https://www.google.com/patents/US5682152|U.S. Patent 5,682,152] Data compression using adaptive bit allocation and hybrid lossless entropy coding<br />
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[https://www.google.com/patents/US5822456|U.S. Patent 5,822,456] Optimal spline interpolation for image compression<br />
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[https://www.google.com/patents/US5892847|U.S. Patent 5,892,847] Method and apparatus for compressing images</div>Tom