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90 changes: 90 additions & 0 deletions
90
common_component/src/main/java/com/xyoye/common_component/utils/meida/VideoScan.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package com.xyoye.common_component.utils.meida | ||
|
|
||
| import android.media.MediaMetadataRetriever | ||
| import android.net.Uri | ||
| import com.xyoye.common_component.base.app.BaseApplication | ||
| import com.xyoye.common_component.extension.isInvalid | ||
| import com.xyoye.common_component.utils.isVideoFile | ||
| import com.xyoye.data_component.entity.VideoEntity | ||
| import java.io.File | ||
|
|
||
| /** | ||
| * Created by xyoye on 2024/2/4 | ||
| */ | ||
|
|
||
| object VideoScan { | ||
|
|
||
| /** | ||
| * 遍历路径内的视频文件 | ||
| */ | ||
| fun traverse(filePath: String): List<VideoEntity> { | ||
| return try { | ||
| traverse(File(filePath)) | ||
| } catch (e: Exception) { | ||
| e.printStackTrace() | ||
| emptyList() | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * 遍历文件内的视频文件，包括文件自身 | ||
| */ | ||
| private fun traverse(file: File): List<VideoEntity> { | ||
| if (file.isFile) { | ||
| return if (file.isInvalid()) { | ||
| return emptyList() | ||
| } else if (isVideoFile(file.absolutePath)) { | ||
| listOf(generateVideoEntity(file)) | ||
| } else { | ||
| emptyList() | ||
| } | ||
| } | ||
|
|
||
| if (file.exists().not() || file.canRead().not()) { | ||
| return emptyList() | ||
| } | ||
| return file.listFiles() | ||
| ?.flatMap { traverse(it) } | ||
| ?: emptyList() | ||
| } | ||
|
|
||
| /** | ||
| * 生成视频数据库实体 | ||
| */ | ||
| private fun generateVideoEntity(file: File): VideoEntity { | ||
| return VideoEntity( | ||
| 0, | ||
| 0, | ||
| 0, | ||
| file.absolutePath, | ||
| file.parentFile?.absolutePath.orEmpty(), | ||
| null, | ||
| null, | ||
| getVideoDuration(file), | ||
| file.length(), | ||
| isFilter = false, | ||
| isExtend = true | ||
| ) | ||
| } | ||
|
|
||
| /** | ||
| * 获取视频时长 | ||
| */ | ||
| private fun getVideoDuration(videoFile: File): Long { | ||
| if (videoFile.isInvalid()) { | ||
| return 0 | ||
| } | ||
| val retriever = MediaMetadataRetriever() | ||
| return try { | ||
| retriever.setDataSource(BaseApplication.getAppContext(), Uri.fromFile(videoFile)) | ||
| retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION) | ||
| ?.toLongOrNull() | ||
| ?: 0 | ||
| } catch (e: Exception) { | ||
| e.printStackTrace() | ||
| 0 | ||
| } finally { | ||
| retriever.release() | ||
| } | ||
| } | ||
| } |
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