From 160f93b95602412ccdabe7fc6cf285a7777e1965 Mon Sep 17 00:00:00 2001
From: Dana <Dana_Lee1016@126.com>
Date: 星期三, 24 十二月 2025 15:43:01 +0800
Subject: [PATCH] 新增 useTFCard 字段与 setUseTFCard，由两处服务在创建编码器时传入配置。H264EncodeService、H264EncodeService2 均调用了该 setter。 在创建新文件前（非 TF 卡模式）调用 ensureInternalFlashSpaceForH264；若清理后仍不足 800MB，停止文件输出并返回失败，不再在写帧时重复检查。 保留 TF 卡目录的清理逻辑，仅针对 TF 卡路径。
---
app/src/main/java/com/anyun/h264/util/FileUtil.java | 146 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 146 insertions(+), 0 deletions(-)
diff --git a/app/src/main/java/com/anyun/h264/util/FileUtil.java b/app/src/main/java/com/anyun/h264/util/FileUtil.java
index b41f232..2f58618 100644
--- a/app/src/main/java/com/anyun/h264/util/FileUtil.java
+++ b/app/src/main/java/com/anyun/h264/util/FileUtil.java
@@ -179,6 +179,137 @@
}
/**
+ * 妫�鏌ュ唴閮� Flash锛堥潪 TF 鍗★級鍓╀綑绌洪棿锛屽鏋滃皬浜� 800MB锛屽垯鎸夋椂闂撮『搴忓垹闄� h264_*.h264 鏂囦欢
+ * 鐩綍锛歝ontext.getExternalFilesDir(null).getAbsolutePath()
+ * 鏂囦欢鍚嶆牸寮忕ず渚嬶細h264_1735023032000.h264銆乭264_camera2_1735023032000.h264
+ *
+ * 鍒犻櫎瑙勫垯锛�
+ * - 鎸夋枃浠跺悕涓殑鏃堕棿鎴充粠灏忓埌澶э紙瓒婃棭瓒婂厛鍒狅級渚濇鍒犻櫎
+ * - 姣忓垹闄や竴娆″悗閲嶆柊璁＄畻鍓╀綑绌洪棿锛岀洿鍒� 鈮� 800MB 鎴栨枃浠跺垹瀹�
+ *
+ * 杩斿洖鍊硷細
+ * - 0锛氭渶缁堝墿浣欑┖闂� 鈮� 800MB 鎴栨棤闇�鍒犻櫎
+ * - -1锛氬垹闄ゅ畬鎵�鏈夌鍚堣鍒欑殑鏂囦欢鍚庯紝鍓╀綑绌洪棿浠嶇劧 < 800MB
+ */
+ public static int ensureInternalFlashSpaceForH264(Context context) {
+ if (context == null) {
+ Timber.w("ensureInternalFlashSpaceForH264: context is null");
+ return 0;
+ }
+
+ File externalDir = context.getExternalFilesDir(null);
+ if (externalDir == null) {
+ Timber.w("ensureInternalFlashSpaceForH264: external files dir is null");
+ return 0;
+ }
+
+ String basePath = externalDir.getAbsolutePath();
+ long minFreeBytes = 800L * 1024L * 1024L; // 800MB
+
+ long freeBytes = getFreeSpaceBytes(basePath);
+ Timber.d("ensureInternalFlashSpaceForH264: freeBytes=%d, minRequired=%d", freeBytes, minFreeBytes);
+
+ if (freeBytes >= minFreeBytes) {
+ // 绌洪棿鍏呰冻锛屾棤闇�澶勭悊
+ return 0;
+ }
+
+ // 鏀堕泦绗﹀悎鍛藉悕瑙勫垯鐨� h264 鏂囦欢
+ File[] files = externalDir.listFiles();
+ if (files == null || files.length == 0) {
+ Timber.w("ensureInternalFlashSpaceForH264: no files in dir -> %s", basePath);
+ // 宸茬粡娌℃湁鍙垹鐨勬枃浠讹紝濡傛灉浠嶅皬浜� 800MB锛屽垯鐩存帴杩斿洖 -1
+ return freeBytes >= minFreeBytes ? 0 : -1;
+ }
+
+ class H264FileInfo {
+ File file;
+ long timestamp;
+
+ H264FileInfo(File file, long timestamp) {
+ this.file = file;
+ this.timestamp = timestamp;
+ }
+ }
+
+ List<H264FileInfo> h264Files = new ArrayList<>();
+ for (File file : files) {
+ if (!file.isFile()) {
+ continue;
+ }
+
+ String name = file.getName();
+ // 鍙鐞� .h264 缁撳熬锛屼笖浠� h264_ 寮�澶寸殑鏂囦欢
+ if (!name.toLowerCase(Locale.CHINA).endsWith(".h264")) {
+ continue;
+ }
+ if (!name.startsWith("h264_") && !name.startsWith("h264_camera2_")) {
+ continue;
+ }
+
+ // 鎻愬彇鏃堕棿鎴抽儴鍒�
+ String timePart = null;
+ if (name.startsWith("h264_camera2_")) {
+ // 鍓嶇紑闀垮害 13锛�"h264_camera2_"
+ timePart = name.substring("h264_camera2_".length(), name.length() - ".h264".length());
+ } else if (name.startsWith("h264_")) {
+ // 鍓嶇紑闀垮害 5锛�"h264_"
+ timePart = name.substring("h264_".length(), name.length() - ".h264".length());
+ }
+
+ if (timePart == null || timePart.isEmpty()) {
+ continue;
+ }
+
+ try {
+ long ts = Long.parseLong(timePart);
+ h264Files.add(new H264FileInfo(file, ts));
+ } catch (NumberFormatException e) {
+ // 鏂囦欢鍚嶄笉绗﹀悎鏃堕棿鎴虫牸寮忥紝璺宠繃
+ Timber.w("ensureInternalFlashSpaceForH264: invalid timestamp in file name -> %s", name);
+ }
+ }
+
+ if (h264Files.isEmpty()) {
+ Timber.w("ensureInternalFlashSpaceForH264: no matched h264 files in -> %s", basePath);
+ return freeBytes >= minFreeBytes ? 0 : -1;
+ }
+
+ // 鎸夋椂闂存埑鍗囧簭鎺掑垪锛堣秺鏃╃殑瓒婂厛鍒狅級
+ Collections.sort(h264Files, new Comparator<H264FileInfo>() {
+ @Override
+ public int compare(H264FileInfo o1, H264FileInfo o2) {
+ return Long.compare(o1.timestamp, o2.timestamp);
+ }
+ });
+
+ int deletedCount = 0;
+ for (H264FileInfo info : h264Files) {
+ if (freeBytes >= minFreeBytes) {
+ break;
+ }
+
+ File f = info.file;
+ long size = f.length();
+ Timber.d("ensureInternalFlashSpaceForH264: deleting file -> %s, size=%d, ts=%d",
+ f.getAbsolutePath(), size, info.timestamp);
+
+ if (f.delete()) {
+ deletedCount++;
+ // 鍒犻櫎鍚庨噸鏂拌幏鍙栧墿浣欑┖闂达紝鏇村噯纭�
+ freeBytes = getFreeSpaceBytes(basePath);
+ Timber.d("ensureInternalFlashSpaceForH264: after delete, freeBytes=%d", freeBytes);
+ } else {
+ Timber.e("ensureInternalFlashSpaceForH264: failed to delete file -> %s", f.getAbsolutePath());
+ }
+ }
+
+ Timber.i("ensureInternalFlashSpaceForH264: deleted %d files, final freeBytes=%d", deletedCount, freeBytes);
+
+ return freeBytes >= minFreeBytes ? 0 : -1;
+ }
+
+ /**
* 璁＄畻鐩綍涓嬫墍鏈� .h264 鏂囦欢鐨勬�诲ぇ灏忥紙瀛楄妭锛�
*/
private static long calculateH264FilesSize(File dir) {
@@ -211,6 +342,21 @@
}
/**
+ * 鑾峰彇鎸囧畾璺緞鐨勫墿浣欑┖闂达紙瀛楄妭锛�
+ */
+ private static long getFreeSpaceBytes(String path) {
+ try {
+ StatFs statFs = new StatFs(path);
+ long blockSize = statFs.getBlockSizeLong();
+ long availableBlocks = statFs.getAvailableBlocksLong();
+ return availableBlocks * blockSize;
+ } catch (Exception e) {
+ Timber.e(e, "Error getting free space (bytes) for path: %s", path);
+ return 0;
+ }
+ }
+
+ /**
* 閫掑綊鍒犻櫎鐩綍鍙婂叾鎵�鏈夊唴瀹�
*/
private static boolean deleteDirectory(File dir) {
--
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