fix(ncm §30): 真机四连症状——JSON unescape + 封面流式 + 歌单豆腐/分隔符 tofu + 首屏诊断日志
症状/根因/修法(0 真实 NCM 业务请求;宿主+qemu 全绿):
- ③ LRC 挤一行/时间戳未解析:ncm_json_get_str_at 不做 JSON 转义还原,
lrc.lyric 的 \n 转义原样进串 → lrc_parse 无真实换行整段一行。修:ncm_json.c 加
json_unescape(RFC8259 全转义 + \uXXXX/代理对),get_str_at 返回前还原。
- ⑤ 封面全 failed→give up:cover.c 静态 g_buf 288KB < 封面 1.34MB → NCM_ERR_FULL。
设备 RAM 仅 56MB。修:cover.c 改流式写文件(ncm_http_download cb→ncm_cache_write +
meow_img_load_file 临时文件),NCM_COVER_MAX 8MB 改下载上限(非缓冲,bss 未涨)。
- ① 162 首歌单所有条目「三个豆腐」+「加载中」:占位符 ···(U+00B7)在 default 字体缺
该字形 → 3 豆腐(font.idx glyph 扫实证 U+00B7 MISSING)。修:占位 ···→...、全 App
· 分隔符→/;playlist_worker 首屏打 first-screen 诊断日志。
- ② 返回首页歌单列表 1 秒方框:字体缺 U+00B7/特殊字形(◢◤/Kannada)tofu;瞬态疑 glyph
atlas 冷缓存(SDK 内部未深挖)。修:·→/。
验证:test_ncm_core(+test_json_unescape, host+qemu) / listvirt44 / dispatch / box42 /
scroll17 / anim32 / widgets / overlay_suppress / sdk_input_keys / theme / vol / ime_fix /
pinyin / notif_gesture / notif_open / sdk_fixes / sb_collapse / ui_audio_host / notify_ipc /
notify_integration + playlist_race_sim / window_sim / search_sim / cache_evict_sim(1-9) /
player_flow_sim(P1-12) / stream_sim(16+2resume) 全 PASS;mipsel -Wall -Wextra 0 warning。
新 md5:ncm d91cd906、ncm_host b731654a、test_ncm_core_host 7a38194c。
(症状④ VOL_DOWN×3 杀 App 的 launcher 源修复 app_launcher.c 门控 !a->framework 已随
并发 commit 54a6e82 存入 HEAD;launcher 二进制 03dfcf76 留主会话/固件打包。)
注:build_ncm_host.sh 补 SDK 292/295 的 anim/box/scroll 源(宿主链接)。
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@@ -346,6 +346,34 @@ static void test_vip_parse(void) {
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"level gates: free/CVIP/SVIP");
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}
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/* ---------- §30:JSON 字符串转义还原(ncm_json_get_str_at unescape) ---------- */
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static void test_json_unescape(void) {
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printf("== json string unescape(REPORT §30)==\n");
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/* 模拟 /api/song/lyric 的 lrc.lyric:JSON 里换行被转义成 \n(正是「LRC 挤一行」根因) */
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const char *j =
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"{\"code\":200,\"lrc\":{\"lyric\":\"[00:01.20]hello\\n[00:03.50]world\\n[00:05.90]caf\\u00e9\"},"
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"\"url\":\"http:\\/\\/p1.music.126.net\\/ab\\/c.jpg\"}";
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jsmntok_t toks[128];
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int parent[128];
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ncm_json_t nj;
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int n = ncm_json_parse(&nj, j, strlen(j), toks, 128, parent);
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CHECK(n > 0, "parse rc=%d", n);
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char lrc[256];
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CHECK(ncm_json_path_str(&nj, "lrc.lyric", lrc, sizeof lrc) != NULL,
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"lyric path found");
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/* 断言 \n 还原成真实换行(不再是字面反斜杠+n) */
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CHECK(strcmp(lrc, "[00:01.20]hello\n[00:03.50]world\n[00:05.90]caf\xc3\xa9") == 0,
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"lrc \\n unescaped -> 3 行 caf\\u00e9->caf\xc3\xa9 (got: %s)",
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lrc);
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/* 断言 \/ 还原成 /(URL 不再含字面反斜杠) */
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char url[256];
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CHECK(ncm_json_path_str(&nj, "url", url, sizeof url) != NULL &&
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strcmp(url, "http://p1.music.126.net/ab/c.jpg") == 0,
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"URL \\/ unescaped (got: %s)", url);
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CHECK(strchr(url, '\\') == NULL, "URL no literal backslash");
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}
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int main(int argc, char **argv) {
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const char *data_dir = (argc > 1) ? argv[1] : "/tmp/ncm_test";
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printf("ncm_core self-test, data_dir=%s\n", data_dir);
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@@ -362,6 +390,7 @@ int main(int argc, char **argv) {
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test_network();
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test_track_all_parse();
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test_vip_parse();
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test_json_unescape();
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printf("\n%s\n", g_fail ? "== RESULT: FAIL ==" : "== RESULT: PASS ==");
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return g_fail ? 1 : 0;
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