Feature: #69543 - Introduced $GLOBALS['TYPO3_CONF_VARS']['SYS']['mediafile_ext']

See forge#69543

Description

Now we got the RendererRegistry with the VideoTagRenderer, AudioTagRenderer and MediaViewHelper in the core we needed also a way to define a list of file extensions of the files that can be handled by these. This list can then be used in the TCA for allowing sys_file_references to these files.

// Comma list of file extensions perceived as media files by TYPO3.
// Lowercase and no spaces between
$GLOBALS['TYPO3_CONF_VARS']['SYS']['mediafile_ext'] = 'gif,jpg,jpeg,bmp,png,pdf,svg,ai,mov,avi';
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TCA example:

'media' => array(
	'label' => 'LLL:EXT:lang/locallang_general.xlf:LGL.media',
	'config' => \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::getFileFieldTCAConfig('media', array(
		'foreign_types' => array(
			'0' => array(
				'showitem' => '
					--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
					--palette--;;filePalette'
			),
			\TYPO3\CMS\Core\Resource\File::FILETYPE_TEXT => array(
				'showitem' => '
					--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
					--palette--;;filePalette'
			),
			\TYPO3\CMS\Core\Resource\File::FILETYPE_IMAGE => array(
				'showitem' => '
					--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
					--palette--;;filePalette'
			),
			\TYPO3\CMS\Core\Resource\File::FILETYPE_AUDIO => array(
				'showitem' => '
					--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
					--palette--;;filePalette'
			),
			\TYPO3\CMS\Core\Resource\File::FILETYPE_VIDEO => array(
				'showitem' => '
					--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
					--palette--;;filePalette'
			),
			\TYPO3\CMS\Core\Resource\File::FILETYPE_APPLICATION => array(
				'showitem' => '
					--palette--;LLL:EXT:lang/locallang_tca.xlf:sys_file_reference.imageoverlayPalette;imageoverlayPalette,
					--palette--;;filePalette'
			)
		)
	), $GLOBALS['TYPO3_CONF_VARS']['SYS']['mediafile_ext'])
),
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Extending this list:

If you want to extend this list you can add the desired extension name to list in the ext_localconf.php of your extension.

$GLOBALS['TYPO3_CONF_VARS']['SYS']['mediafile_ext'] .= ',myext';
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