PHP后台上传视频怎么处理_PHP后台视频上传处理方案

ini_set('upload_max_filesize', '512M');
ini_set('post_max_size', '600M');
ini_set('max_execution_time', 300);

<form action="upload.php" method="post" enctype="multipart/form-data">
  <input type="file" name="video" accept="video/*" />
  <button type="submit">上传视频</button>
</form>

if ($_FILES['video']['error'] === UPLOAD_ERR_OK) {
    $tmpName = $_FILES['video']['tmp_name'];
    $originalName = $_FILES['video']['name'];
    $size = $_FILES['video']['size'];
    $type = $_FILES['video']['type'];
} else {
    die("上传失败：错误代码 " . $_FILES['video']['error']);
}

$allowedTypes = ['video/mp4', 'video/quicktime', 'video/x-msvideo', 'video/webm'];
$exts = ['mp4', 'mov', 'avi', 'webm'];

$ext = pathinfo($originalName, PATHINFO_EXTENSION);
if (!in_array(strtolower($ext), $exts)) {
    die("不支持的文件格式");
}

$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mimeType = finfo_file($finfo, $tmpName);
finfo_close($finfo);

if (!in_array($mimeType, $allowedTypes)) {
    die("MIME类型不合法");
}

$uploadDir = '/var/www/uploads/videos/';
if (!is_dir($uploadDir)) {
    mkdir($uploadDir, 0755, true);
}

$safeName = date('Ymd_His') . '_' . bin2hex(random_bytes(8)) . '.' . $ext;
$targetPath = $uploadDir . $safeName;

if (move_uploaded_file($tmpName, $targetPath)) {
    echo "上传成功，文件路径：$targetPath";
} else {
    echo "移动文件失败";
}

// 转成标准MP4格式
exec("ffmpeg -i {$targetPath} -vcodec h264 -acodec aac /var/www/uploads/converted/{$safeName}.mp4", $output, $return);

// 生成封面图
exec("ffmpeg -i {$targetPath} -ss 00:00:05 -vframes 1 /var/www/uploads/thumbs/{$safeName}.jpg", $output, $return);

$pdo->prepare("INSERT INTO videos (filename, original_name, size, uploaded_at) 
              VALUES (?, ?, ?, NOW())")->execute([$safeName, $originalName, $size]);

// view.php?id=123
header('Content-Type: video/mp4');
readfile('/var/www/uploads/videos/' . $safeName);