odboy
066e28a2d6
- 添加跳过ffprobe相关文件的逻辑，避免处理临时释放文件 - 修复图片处理中的变量引用错误 - 实现大文件指纹复用机制，避免重复全量读取计算MD5 - 新增文件头尾采样指纹算法，提升大文件处理性能 - 重构ffprobe内嵌资源管理，支持多平台自动选择对应版本 - 添加媒体信息数据库的指纹索引和去向跟踪功能 - 优化程序启动流程，失败时跳过媒体整理但保留图片处理 - 更新文档说明多平台ffprobe支持和构建要求
58 lines
1.7 KiB
Go
58 lines
1.7 KiB
Go
package core
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import (
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"fmt"
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"kenaito-media-picker/store"
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"kenaito-media-picker/util"
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"kenaito-media-picker/vars"
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"os"
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)
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// saveMediaRecord 将媒体信息写入数据库；大文件优先用指纹(头尾采样)复用已入库的MD5，避免全量读取
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func saveMediaRecord(filePath string, mediaType string, width int, height int, duration float64, codec string, format string, rawInfo string) {
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st, err := os.Stat(filePath)
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if err != nil {
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fmt.Printf("=== 读取文件信息失败: %s, 错误: %v\n", filePath, err)
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return
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}
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size := st.Size()
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md5Str := ""
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headMd5, tailMd5 := "", ""
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if size > util.FingerprintThreshold {
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if head, tail, ferr := util.CalcFileFingerprint(filePath, size); ferr == nil {
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headMd5, tailMd5 = head, tail
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if existing, ok := store.FindMediaByFingerprint(size, head, tail); ok && existing.FileMd5 != "" {
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md5Str = existing.FileMd5 // 指纹命中，复用MD5，跳过全量读取
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}
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}
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}
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if md5Str == "" {
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if md5Str, err = util.CalcFileMd5(filePath); err != nil {
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fmt.Printf("=== 计算MD5失败: %s, 错误: %v\n", filePath, err)
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return
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}
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}
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info := &store.MediaInfo{
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FileMd5: md5Str,
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FilePath: filePath,
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FileName: vars.GlobalFilePath2FileNameMap[filePath],
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FileExt: vars.GlobalFilePath2FileExtMap[filePath],
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FileSize: size,
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MimeType: vars.GlobalFilePath2MimeInfoMap[filePath],
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MediaType: mediaType,
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Width: width,
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Height: height,
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Duration: duration,
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Codec: codec,
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Format: format,
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RawInfo: rawInfo,
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HeadMd5: headMd5,
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TailMd5: tailMd5,
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}
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if err := store.SaveMedia(info); err != nil {
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fmt.Printf("=== 保存媒体信息失败: %s, 错误: %v\n", filePath, err)
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}
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}
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