Question

wp_read_video_metadata( string $file )

Retrieve metadata from a video file’s ID3 tags

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description

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参数

$file

(string) (Required) Path to file.

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返回值

(array|bool) Returns array of metadata, if found.

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源代码

File: wp-admin/includes/media.php

function wp_read_video_metadata( $file ) {
	if ( ! file_exists( $file ) ) {
		return false;
	}

	$metadata = array();

	if ( ! defined( 'GETID3_TEMP_DIR' ) ) {
		define( 'GETID3_TEMP_DIR', get_temp_dir() );
	}

	if ( ! class_exists( 'getID3', false ) ) {
		require( ABSPATH . WPINC . '/ID3/getid3.php' );
	}
	$id3 = new getID3();
	$data = $id3->analyze( $file );

	if ( isset( $data['video']['lossless'] ) )
		$metadata['lossless'] = $data['video']['lossless'];
	if ( ! empty( $data['video']['bitrate'] ) )
		$metadata['bitrate'] = (int) $data['video']['bitrate'];
	if ( ! empty( $data['video']['bitrate_mode'] ) )
		$metadata['bitrate_mode'] = $data['video']['bitrate_mode'];
	if ( ! empty( $data['filesize'] ) )
		$metadata['filesize'] = (int) $data['filesize'];
	if ( ! empty( $data['mime_type'] ) )
		$metadata['mime_type'] = $data['mime_type'];
	if ( ! empty( $data['playtime_seconds'] ) )
		$metadata['length'] = (int) round( $data['playtime_seconds'] );
	if ( ! empty( $data['playtime_string'] ) )
		$metadata['length_formatted'] = $data['playtime_string'];
	if ( ! empty( $data['video']['resolution_x'] ) )
		$metadata['width'] = (int) $data['video']['resolution_x'];
	if ( ! empty( $data['video']['resolution_y'] ) )
		$metadata['height'] = (int) $data['video']['resolution_y'];
	if ( ! empty( $data['fileformat'] ) )
		$metadata['fileformat'] = $data['fileformat'];
	if ( ! empty( $data['video']['dataformat'] ) )
		$metadata['dataformat'] = $data['video']['dataformat'];
	if ( ! empty( $data['video']['encoder'] ) )
		$metadata['encoder'] = $data['video']['encoder'];
	if ( ! empty( $data['video']['codec'] ) )
		$metadata['codec'] = $data['video']['codec'];

	if ( ! empty( $data['audio'] ) ) {
		unset( $data['audio']['streams'] );
		$metadata['audio'] = $data['audio'];
	}

	wp_add_id3_tag_data( $metadata, $data );

	return $metadata;
}

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更新日志

Version	description
3.6.0	Introduced.

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相关函数

Uses

• wp-admin/includes/media.php: wp_add_id3_tag_data()
• wp-includes/functions.php: get_temp_dir()

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Used By

• wp-admin/includes/image.php: wp_generate_attachment_metadata()

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User Contributed Notes