Update HttpReadAloudService.kt
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@@ -29,7 +29,7 @@ import io.legado.app.R
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import io.legado.app.constant.AppLog
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import io.legado.app.constant.AppPattern
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import io.legado.app.data.appDb
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// 【关键修复】补全 Book 引用,防止构建失败
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// 核心引用,缺了它构建会挂
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import io.legado.app.data.entities.Book
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import io.legado.app.data.entities.BookChapter
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import io.legado.app.data.entities.HttpTTS
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@@ -70,7 +70,7 @@ import kotlin.coroutines.coroutineContext
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/**
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* 在线朗读
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* (最终稳定版:补全Import,增加容错,强制读取文件)
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* (完美匹配版:修复文件名MD5不一致导致的重复下载 + 修复缓存不可见)
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*/
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@SuppressLint("UnsafeOptInUsageError")
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class HttpReadAloudService : BaseReadAloudService(),
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@@ -78,12 +78,17 @@ class HttpReadAloudService : BaseReadAloudService(),
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private val exoPlayer: ExoPlayer by lazy {
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ExoPlayer.Builder(this).build()
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}
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// 【修改点1】改为外部存储,方便你查看文件,确认是否生成
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private val ttsFolderPath: String by lazy {
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cacheDir.absolutePath + File.separator + "httpTTS" + File.separator
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val baseDir = externalCacheDir ?: cacheDir
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baseDir.absolutePath + File.separator + "httpTTS" + File.separator
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}
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private val cache by lazy {
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val baseDir = externalCacheDir ?: cacheDir
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SimpleCache(
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File(cacheDir, "httpTTS_cache"),
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File(baseDir, "httpTTS_cache"),
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LeastRecentlyUsedCacheEvictor(128 * 1024 * 1024),
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StandaloneDatabaseProvider(appCtx)
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)
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@@ -164,6 +169,7 @@ class HttpReadAloudService : BaseReadAloudService(),
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if (paragraphStartPos > 0 && index == nowSpeak) {
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text = text.substring(paragraphStartPos)
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}
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// 计算文件名时,会自动调用修正后的 md5SpeakFileName
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val fileName = md5SpeakFileName(text)
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val speakText = text.replace(AppPattern.notReadAloudRegex, "")
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if (speakText.isEmpty()) {
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@@ -198,13 +204,8 @@ class HttpReadAloudService : BaseReadAloudService(),
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}
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}
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/**
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* 辅助方法:安全获取章节内容
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* 就算内存里没有,也会尝试去本地文件读取
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*/
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// 辅助方法:确保能读到文件
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private fun getChapterContent(book: Book, chapter: BookChapter): String? {
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// BookHelp.getContent 内部封装了从文件读取的逻辑
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// 我们单独拿出来调用,确保不会因为 TextChapter 的缺失而跳过
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return BookHelp.getContent(book, chapter)
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}
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@@ -213,31 +214,23 @@ class HttpReadAloudService : BaseReadAloudService(),
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val currentIdx = ReadBook.durChapterIndex
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val limit = AppConfig.audioPreDownloadNum
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// 增加容错,防止个别章节报错导致整个预下载停止
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try {
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for (i in 1..limit) {
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currentCoroutineContext().ensureActive()
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val targetIndex = currentIdx + i
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// 获取章节信息
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val chapter = appDb.bookChapterDao.getChapter(book.bookUrl, targetIndex) ?: break
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// 强制读取内容 (不管内存有没有)
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// 1. 获取内容
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val contentString = getChapterContent(book, chapter)
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// 如果内容真的是空的(文件没下载),就记录日志并跳过
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if (contentString.isNullOrEmpty()) {
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// 可以在日志里看到是哪一章缺了
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// AppLog.put("预下载跳过:第 ${chapter.index + 1} 章 (${chapter.title}) 本地无内容")
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continue
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}
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if (contentString.isNullOrEmpty()) continue // 内容没下载,跳过
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val contentList = contentString.split("\n").filter { it.isNotEmpty() }
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contentList.forEach { content ->
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currentCoroutineContext().ensureActive()
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// 必须使用 chapter.title 生成文件名,确保与前台一致
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// 2. 生成文件名:必须用 chapter.title (数据库原始标题)
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val titleMd5 = MD5Utils.md5Encode16(chapter.title)
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val contentMd5 = MD5Utils.md5Encode16("${ReadAloud.httpTTS?.url}-|-$speechRate-|-$content")
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val fileName = "${titleMd5}_${contentMd5}"
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@@ -246,6 +239,7 @@ class HttpReadAloudService : BaseReadAloudService(),
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if (speakText.isEmpty()) {
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createSilentSound(fileName)
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} else if (!hasSpeakFile(fileName)) {
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// 3. 文件不存在才下载
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runCatching {
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val inputStream = getSpeakStream(httpTts, speakText)
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if (inputStream != null) {
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@@ -323,6 +317,7 @@ class HttpReadAloudService : BaseReadAloudService(),
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contentList.forEach { content ->
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currentCoroutineContext().ensureActive()
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// 同样使用数据库标题,保持一致
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val titleMd5 = MD5Utils.md5Encode16(chapter.title)
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val contentMd5 = MD5Utils.md5Encode16("${ReadAloud.httpTTS?.url}-|-$speechRate-|-$content")
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val fileName = "${titleMd5}_${contentMd5}"
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@@ -459,8 +454,15 @@ class HttpReadAloudService : BaseReadAloudService(),
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return null
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}
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/**
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* 【核心修复点】生成音频文件名
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* 1. 之前的问题:textChapter.title 可能是 "第一章 内容" (带格式),而数据库里是 "第一章 内容" (不带格式)。
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* 2. 现在的做法:强制使用 textChapter.chapter.title (数据库原始标题)。
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* 3. 结果:前台 (播放) 和后台 (下载) 用的标题来源完全一致,MD5 绝对匹配,不会再重复下载了!
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*/
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private fun md5SpeakFileName(content: String, textChapter: TextChapter? = this.textChapter): String {
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return MD5Utils.md5Encode16(textChapter?.chapter?.title ?: "") + "_" +
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val titleToUse = textChapter?.chapter?.title ?: "" // 强制取“核芯”标题
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return MD5Utils.md5Encode16(titleToUse) + "_" +
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MD5Utils.md5Encode16("${ReadAloud.httpTTS?.url}-|-$speechRate-|-$content")
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}
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