php 从视频文件生成预览图像?

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时间:2020-08-25 04:46:29  来源:igfitidea点击:

Generate preview image from Video file?

phpvideothumbnailsphp4

提问by JD Isaacks

Is there a way in PHP given a video file (.mov, .mp4) to generate a thumbnail image preview?

PHP 中是否有给定视频文件 ( .mov, .mp4) 的方法来生成缩略图预览?

回答by Nabi K.A.Z.

Solution #1 (Older) (not recommended)

解决方案 #1(旧版)(不推荐)

Firstly install ffmpeg-phpproject (http://ffmpeg-php.sourceforge.net/)

首先安装ffmpeg-php项目(http://ffmpeg-php.sourceforge.net/

And then you can use of this simple code:

然后你可以使用这个简单的代码:

<?php
$frame = 10;
$movie = 'test.mp4';
$thumbnail = 'thumbnail.png';

$mov = new ffmpeg_movie($movie);
$frame = $mov->getFrame($frame);
if ($frame) {
    $gd_image = $frame->toGDImage();
    if ($gd_image) {
        imagepng($gd_image, $thumbnail);
        imagedestroy($gd_image);
        echo '<img src="'.$thumbnail.'">';
    }
}
?>

Description:This project use binary extension .sofile, It's very old and last update was for 2008. So, maybe don't works with newer version of FFMpegor PHP.

描述:这个项目使用二进制扩展.so文件,它很旧,上次更新是 2008 年。所以,可能不适用于较新版本的FFMpegPHP



Solution #2 (Update 2018) (recommended)

解决方案 #2(2018 年更新)(推荐)

Firstly install PHP-FFMpegproject (https://github.com/PHP-FFMpeg/PHP-FFMpeg)
(just run for install: composer require php-ffmpeg/php-ffmpeg)

首先安装PHP-FFMpeg项目(https://github.com/PHP-FFMpeg/PHP-FFMpeg
(只运行安装:composer require php-ffmpeg/php-ffmpeg

And then you can use of this simple code:

然后你可以使用这个简单的代码:

<?php
require 'vendor/autoload.php';

$sec = 10;
$movie = 'test.mp4';
$thumbnail = 'thumbnail.png';

$ffmpeg = FFMpeg\FFMpeg::create();
$video = $ffmpeg->open($movie);
$frame = $video->frame(FFMpeg\Coordinate\TimeCode::fromSeconds($sec));
$frame->save($thumbnail);
echo '<img src="'.$thumbnail.'">';

Description:It's newer and more modern project and works with latest version of FFMpegand PHP. Note that it's required to proc_open()PHP function.

描述:它是更新和更现代的项目,适用于最新版本的FFMpegPHP。请注意,它是proc_open()PHP 功能所必需的。

回答by Pekka

Two ways come to mind:

想到了两种方法:

  • Using a command-line tool like the popular ffmpeg, however you will almost always need an own server (or a very nice server administrator / hosting company) to get that

  • Using the "screenshoot" plugin for the LongTail Video playerthat allows the creation of manual screenshots that are then sent to a server-side script.

  • 使用像流行的ffmpeg这样的命令行工具,但是你几乎总是需要一个自己的服务器(或一个非常好的服务器管理员/托管公司)来获得它

  • 使用长尾视频播放器的“ screenshoot”插件,允许创建手动截图,然后发送到服务器端脚本。

回答by hakiko

I recommend php-ffmpeglibrary.

我推荐php-ffmpeg库。

Extracting image

You can extract a frame at any timecode using the FFMpeg\Media\Video::framemethod.

This code returns a FFMpeg\Media\Frameinstance corresponding to the second 42. You can pass any FFMpeg\Coordinate\TimeCodeas argument, see dedicated documentation below for more information.

提取图像

您可以使用该FFMpeg\Media\Video::frame方法在任何时间码提取帧 。

此代码返回FFMpeg\Media\Frame对应于第二个 42的实例。您可以将任何FFMpeg\Coordinate\TimeCode作为参数传递,有关详细信息,请参阅下面的专用文档。

$frame = $video->frame(FFMpeg\Coordinate\TimeCode::fromSeconds(42));
$frame->save('image.jpg');

If you want to extract multiple images from the video, you can use the following filter:

如果要从视频中提取多个图像,可以使用以下过滤器:

$video
    ->filters()
    ->extractMultipleFrames(FFMpeg\Filters\Video\ExtractMultipleFramesFilter::FRAMERATE_EVERY_10SEC, '/path/to/destination/folder/')
    ->synchronize();

$video
    ->save(new FFMpeg\Format\Video\X264(), '/path/to/new/file');

By default, this will save the frames as jpgimages.

默认情况下,这会将帧保存为jpg图像。

You are able to override this using setFrameFileTypeto save the frames in another format:

您可以使用setFrameFileType以另一种格式保存帧来覆盖它:

$frameFileType = 'jpg'; // either 'jpg', 'jpeg' or 'png'
$filter = new ExtractMultipleFramesFilter($frameRate, $destinationFolder);
$filter->setFrameFileType($frameFileType);

$video->addFilter($filter);