PHP를 사용하여 WeChat 애플릿의 비디오 편집 기능을 개발하는 방법은 무엇입니까?

if ($_FILES['video']['error'] === UPLOAD_ERR_OK) { $targetPath = '/path/to/video/files/'; $fileName = basename($_FILES['video']['name']); move_uploaded_file($_FILES['video']['tmp_name'], $targetPath . $fileName); }

$inputFile = '/path/to/video/files/video.mp4'; $outputFile = '/path/to/video/files/output.mp4'; $start = '00:00:10'; // 起始时间 $end = '00:00:20'; // 结束时间 $command = "ffmpeg -i $inputFile -ss $start -t $duration -c:v copy -c:a copy $outputFile"; shell_exec($command);

$inputFile1 = '/path/to/video/files/video1.mp4'; $inputFile2 = '/path/to/video/files/video2.mp4'; $outputFile = '/path/to/video/files/output.mp4'; $command1 = "ffmpeg -i $inputFile1 -c:v copy -c:a copy -f mpegts intermediate1.ts"; $command2 = "ffmpeg -i $inputFile2 -c:v copy -c:a copy -f mpegts intermediate2.ts"; $command3 = "ffmpeg -i "concat:intermediate1.ts|intermediate2.ts" -c:v copy -c:a copy -bsf:a aac_adtstoasc $outputFile"; shell_exec($command1); shell_exec($command2); shell_exec($command3);

$inputFile = '/path/to/video/files/video.mov'; $outputFile = '/path/to/video/files/output.mp4'; $command = "ffmpeg -i $inputFile -c:v libx264 -preset slow -crf 22 -pix_fmt yuv420p -c:a copy $outputFile"; shell_exec($command);

$inputFile = '/path/to/video/files/video.mp4'; $outputFile = '/path/to/video/files/cover.jpg'; $time = '00:00:10'; // 截取的时间点 $command = "ffmpeg -i $inputFile -ss $time -vframes 1 $outputFile"; shell_exec($command);

wx.chooseVideo({ sourceType: ['album', 'camera'], maxDuration: 60, success(res) { const tempFilePath = res.tempFilePath; // 将本地视频文件上传到服务器 wx.uploadFile({ url: 'http://example.com/upload.php', filePath: tempFilePath, name: 'video', success(result) { console.log('视频上传成功'); }, }); // 获取视频封面 wx.createVideoContext("video").getImageInfo({ src: tempFilePath, success(result) { const coverUrl = result.path; console.log('封面截取成功'); }, }); // 其他视频编辑操作... }, });