feat(ncm): 网易云客户端 v1 UI+播放链路 (agent-205) — os.meow.ncm: 登录页(真实unikey二维码+轮询状态机)/我的歌单(listview)/歌单详情/播放页(封面+seek+滚动歌词+竖横屏切换)/设置(音质默认Hi-res+缓存上限默认10G); 播放线程(缓存LRU+minimp3→ALSA UAPI直开hw:0,0); 媒体会话MSG_META上报+PLAYCTL接收(首真实媒体源)
ncm 1e331964 (text 764KB); 0 warning; 宿主离屏6页截图目检+真实QR可扫+qemu-mipsel干净启动+解码446xRT 真机待联调: ALSA时序/803扫码闭环/媒体会话联动/gbk大字库渲染
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/* play/player_manager.c — 播放线程：URL 获取(Hi-res 逐档降级)→缓存(命中直接播/否则流式落盘)→
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* minimp3 解码→audio_out 直写。UI 不卡（网络+解码全在此线程）。
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*
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* 模型：一个持久的播放线程。外层循环取「目标曲目」，run_song() 负责一首歌的
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* 「下载(缓冲) → 解码 → 输出 → 结束/被指令打断」。暂停=冻结（停读停写停推 pos，状态置 PAUSED）；
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* seek=重开解码器+输出并 seek 到目标 ms（字节 offset 近似）；下一/上一首=打断当前 run_song 返回外层。
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* 所有跨线程共享状态在 g_play (mu)。g_st.ctx 的 device_id/cookie/cache 在播放期间稳定（登出会先停播）。
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* 返回码/错误经 g_play.err/errmsg 供 UI 提示。
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*/
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#include "../ncm_app_internal.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include "minimp3_ex.h"
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static pthread_t g_thr;
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static int g_thr_on;
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static int g_want_run = 1; /* 线程运行标志（quit=0） */
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#define PCM_CHUNK 8192 /* 每块交织样本数（双声道 → 4096 帧） */
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/* ---- 线程内部一次性歌的状态 ---- */
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static char g_path[512]; /* 本地 mp3 路径（缓存） */
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static int64_t g_file_bytes;
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static int g_level; /* 音质档（来自设置） */
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static int g_cache_gb;
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int player_manager_state(void) { int s; pthread_mutex_lock(&g_play.mu); s = g_play.state; pthread_mutex_unlock(&g_play.mu); return s; }
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int player_manager_playing_song(void) { int s; pthread_mutex_lock(&g_play.mu); s = g_play.cur_song; pthread_mutex_unlock(&g_play.mu); return s; }
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int64_t player_manager_pos_ms(void) { int64_t p; pthread_mutex_lock(&g_play.mu); p = g_play.pos_ms; pthread_mutex_unlock(&g_play.mu); return p; }
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int64_t player_manager_dur_ms(void) { int64_t d; pthread_mutex_lock(&g_play.mu); d = g_play.dur_ms; pthread_mutex_unlock(&g_play.mu); return d; }
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int player_manager_error(void) { int e; pthread_mutex_lock(&g_play.mu); e = g_play.err; pthread_mutex_unlock(&g_play.mu); return e; }
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void player_manager_set_quality(int level, int cache_gb)
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{
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g_level = level;
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g_cache_gb = cache_gb;
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pthread_mutex_lock(&g_play.mu);
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g_play.err = 0;
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ncm_cache_set_limit_gb(&g_st.ctx.cache, cache_gb);
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pthread_mutex_unlock(&g_play.mu);
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}
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void player_manager_play(int song_idx)
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{
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pthread_mutex_lock(&g_play.mu);
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g_play.cur_song = song_idx;
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g_play.cmd = 0;
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g_play.state = NCM_PC_BUFFER;
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g_play.pos_ms = 0;
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g_play.seq++;
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pthread_mutex_unlock(&g_play.mu);
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}
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void player_manager_pause(int on)
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{
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pthread_mutex_lock(&g_play.mu);
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if (on) { if (g_play.state == NCM_PC_PLAYING) g_play.state = NCM_PC_PAUSED; }
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else { if (g_play.state == NCM_PC_PAUSED) g_play.state = NCM_PC_PLAYING; }
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pthread_mutex_unlock(&g_play.mu);
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}
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void player_manager_seek(int64_t ms)
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{
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pthread_mutex_lock(&g_play.mu);
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g_play.cmd = NCM_CTL_SEEK;
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g_play.cmd_seek_ms = ms;
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pthread_mutex_unlock(&g_play.mu);
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}
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void player_manager_next(int dir)
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{
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pthread_mutex_lock(&g_play.mu);
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int c = g_play.cur_song + dir;
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if (c < 0) c = 0;
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if (c >= g_st.song_count) c = g_st.song_count - 1;
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if (c != g_play.cur_song) {
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g_play.cur_song = c;
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g_play.cmd = 0;
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g_play.state = NCM_PC_BUFFER;
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g_play.pos_ms = 0;
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g_play.seq++;
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}
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pthread_mutex_unlock(&g_play.mu);
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}
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void player_manager_stop(void)
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{
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pthread_mutex_lock(&g_play.mu);
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g_play.cur_song = -1;
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g_play.state = NCM_PC_STOPPED;
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g_play.pos_ms = 0;
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g_play.seq++;
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pthread_mutex_unlock(&g_play.mu);
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}
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/* ---- 每首歌的播放体（在外层循环内调用）---- */
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static int download_cb(void *ctx, const unsigned char *data, size_t len)
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{
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return ncm_cache_write((ncm_cache_writer_t *)ctx, data, len);
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}
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/* 得到本地 mp3 路径 + 文件大小。命中缓存直接返回；否则 URL 降级 + 流式落缓存。
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* 返回 NCM_OK 或负错误码。 */
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static int song_local_file(int idx, char *path, size_t psz, int64_t *bytes)
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{
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const ncm_song_t *s = &g_st.songs[idx];
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const char *id = s->id;
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/* 缓存命中 → 离线直接播 */
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if (ncm_cache_lookup(&g_st.ctx.cache, id, ".mp3", path, psz) == NCM_OK) {
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struct stat st;
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if (stat(path, &st) == 0) { *bytes = (int64_t)st.st_size; return NCM_OK; }
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}
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/* 播放地址：从 g_level 降级，只收 mp3 */
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ncm_play_url_t u;
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int rc = ncm_api_song_url_auto(g_st.ctx.device_id, g_st.ctx.cookie, id, g_level, &u);
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if (rc != NCM_OK) return rc;
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if (!u.url[0]) return NCM_ERR_NOTFOUND;
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/* 流式下载到缓存 temp → commit（稳妥者：先落盘再播） */
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ncm_cache_writer_t *w = NULL;
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rc = ncm_cache_open(&g_st.ctx.cache, id, ".mp3", &w);
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if (rc != NCM_OK) return rc;
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ncm_http_req_t req;
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memset(&req, 0, sizeof req);
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req.url = u.url;
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req.method = "GET";
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req.extra_hdrs = "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) "
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"AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36";
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req.verify_ca = NCM_HTTP_VERIFY_DEFAULT;
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req.timeout_ms = 30000;
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ncm_http_resp_t resp;
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size_t maxb = (u.size > 0 && u.size < (64LL << 20)) ? (size_t)u.size : (64u << 20);
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rc = ncm_http_download(&req, download_cb, w, maxb, &resp);
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if (rc != NCM_OK || resp.status != 200) {
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ncm_cache_abort(w);
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return (rc != NCM_OK) ? rc : NCM_ERR_HTTP;
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}
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rc = ncm_cache_commit(w);
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if (rc != 0) return rc;
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if (ncm_cache_lookup(&g_st.ctx.cache, id, ".mp3", path, psz) != NCM_OK)
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return NCM_ERR_NOENT;
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struct stat st;
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if (stat(path, &st) == 0) *bytes = (int64_t)st.st_size;
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return NCM_OK;
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}
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static void set_err(int err, const char *msg)
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{
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pthread_mutex_lock(&g_play.mu);
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g_play.err = err;
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if (msg) { ncm_strlcpy(g_play.errmsg, msg, sizeof g_play.errmsg); }
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g_play.state = NCM_PC_STOPPED;
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pthread_mutex_unlock(&g_play.mu);
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}
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/* 一首歌：下载→解码→输出，直到结束或被打断。返回后由外层处理下一首。 */
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static void run_song(int idx)
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{
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int64_t file_bytes = 0;
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char path[512];
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int rc = song_local_file(idx, path, sizeof path, &file_bytes);
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if (rc != NCM_OK) {
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const char *m = (rc == NCM_ERR_NOTFOUND) ? "no stream (VIP/copyright)"
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: (rc == NCM_ERR_AUTH) ? "session expired" : "load failed";
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set_err(rc, m);
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return;
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}
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ncm_strlcpy(g_path, path, sizeof g_path);
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g_file_bytes = file_bytes;
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const ncm_song_t *s = &g_st.songs[idx];
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int64_t dur = s->duration_ms > 0 ? s->duration_ms : 0;
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mp3dec_ex_t dec;
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memset(&dec, 0, sizeof dec);
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if (mp3dec_ex_open(&dec, path, MP3D_SEEK_TO_BYTE) != 0) { set_err(NCM_ERR_IO, "decode open failed"); return; }
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/* 音频输出：解码器输出 S16_LE（minimp3 默认）；用 44100/2ch 直开 */
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if (audio_out_open(44100, 2, 16) != 0) { mp3dec_ex_close(&dec); set_err(NCM_ERR_IO, "audio open failed"); return; }
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/* 状态→播放 */
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pthread_mutex_lock(&g_play.mu);
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g_play.state = NCM_PC_PLAYING;
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g_play.pos_ms = 0;
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g_play.dur_ms = dur;
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g_play.err = 0;
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pthread_mutex_unlock(&g_play.mu);
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mp3d_sample_t pcm[PCM_CHUNK];
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int64_t frames_done = 0; /* 已输出帧（每通道） */
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int need_seek_ms = -1;
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for (;;) {
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if (g_app_quit) break;
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/* 取命令 */
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pthread_mutex_lock(&g_play.mu);
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int cmd = g_play.cmd; g_play.cmd = 0;
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int64_t seek_ms = g_play.cmd_seek_ms;
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int cur = g_play.cur_song;
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int st = g_play.state;
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pthread_mutex_unlock(&g_play.mu);
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if (cur != idx) break; /* 切歌 → 回外层 */
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if (st == NCM_PC_STOPPED) break;
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if (cmd == NCM_CTL_SEEK && seek_ms >= 0) { need_seek_ms = (int)seek_ms; }
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if (st == NCM_PC_PAUSED) { usleep(40 * 1000); continue; } /* 冻结 */
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if (need_seek_ms >= 0) {
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/* 重开并 seek：关闭后重开（字节 offset 近似） */
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audio_out_close();
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mp3dec_ex_close(&dec);
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memset(&dec, 0, sizeof dec);
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if (mp3dec_ex_open(&dec, path, MP3D_SEEK_TO_BYTE) != 0) { set_err(NCM_ERR_IO, "seek reopen failed"); break; }
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if (audio_out_open(44100, 2, 16) != 0) { set_err(NCM_ERR_IO, "audio reopen failed"); break; }
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int64_t target = (g_file_bytes > 0 && dur > 0)
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? (int64_t)g_file_bytes * need_seek_ms / dur : 0;
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mp3dec_ex_seek(&dec, (uint64_t)(target > 0 ? target : 0));
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frames_done = (int64_t)need_seek_ms * 44100 / 1000;
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need_seek_ms = -1;
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continue;
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}
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size_t got = mp3dec_ex_read(&dec, pcm, PCM_CHUNK);
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if (got == 0) break; /* 播完 */
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int frames = (int)(got / 2);
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if (audio_out_write(pcm, frames) != frames) break;
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frames_done += frames;
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/* 更新进度（~200ms 节流）*/
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int64_t pos = frames_done * 1000 / 44100;
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pthread_mutex_lock(&g_play.mu);
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g_play.pos_ms = pos;
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if (dur > 0 && pos >= dur) g_play.pos_ms = dur;
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pthread_mutex_unlock(&g_play.mu);
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}
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audio_out_close();
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mp3dec_ex_close(&dec);
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/* 若应继续播下一首且非因命令打断，由外层处理（外层见 cur==idx 且需自然结束） */
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}
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/* 外层播放线程循环 */
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static void *player_thread(void *arg)
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{
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(void)arg;
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while (g_want_run && !g_app_quit) {
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pthread_mutex_lock(&g_play.mu);
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int cur = g_play.cur_song;
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int st = g_play.state;
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pthread_mutex_unlock(&g_play.mu);
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if (cur < 0 || cur >= g_st.song_count || st == NCM_PC_STOPPED) {
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usleep(60 * 1000);
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continue;
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}
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/* 以本地快照播放（idx 被外层线程独占，无需再锁） */
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run_song(cur);
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pthread_mutex_lock(&g_play.mu);
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int cur2 = g_play.cur_song;
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int st2 = g_play.state;
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pthread_mutex_unlock(&g_play.mu);
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/* 自然播完且无新命令 → 顺延下一首；否则回到循环等待 */
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if (cur2 >= 0 && cur2 < g_st.song_count && st2 != NCM_PC_STOPPED && cur2 == cur) {
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int nx = cur + 1;
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if (nx < g_st.song_count) { player_manager_next(1); }
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else { player_manager_stop(); }
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} else {
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usleep(50 * 1000);
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}
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}
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return NULL;
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}
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/* 为当前曲目拉歌词并解析（UI 线程调）：buf 有界，解析后存 lyric 模块。 */
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int player_manager_load_lyric(void)
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{
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lyric_clear();
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int idx = player_manager_playing_song();
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if (idx < 0 || idx >= g_st.song_count) return NCM_ERR_ARG;
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const ncm_song_t *s = &g_st.songs[idx];
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char *lrc = (char *)malloc(64 * 1024);
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char *tl = (char *)malloc(32 * 1024);
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if (!lrc || !tl) { free(lrc); free(tl); return NCM_ERR_OOM; }
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int rc = ncm_api_lyric(g_st.ctx.device_id, g_st.ctx.cookie, s->id, lrc, 64 * 1024, tl, 32 * 1024);
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if (rc == NCM_OK) lyric_parse(lrc, tl);
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free(lrc);
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free(tl);
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return rc;
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}
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int player_manager_start(void)
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{
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if (g_thr_on) return 0;
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g_want_run = 1;
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g_level = g_st.level;
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g_cache_gb = g_st.cache_limit_gb;
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pthread_mutex_init(&g_play.mu, NULL);
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if (pthread_create(&g_thr, NULL, player_thread, NULL) != 0) return -1;
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g_thr_on = 1;
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return 0;
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}
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void player_manager_stop_thread(void)
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{
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g_want_run = 0;
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g_app_quit = 1;
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audio_out_close(); /* 打断阻塞写 */
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if (g_thr_on) {
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pthread_join(g_thr, NULL);
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g_thr_on = 0;
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}
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}
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Block a user