MeowOS
6200a41b71
- cover worker 忙等死循环(成功后不清目标,每圈解码+换入+gen++,CPU 100%+每帧整盘重绘) → 成功清目标转怠速; 失败指数退避 0.5-4s 连 8 次放弃+WARN 日志; 去重加在拉目标; cover_get 持锁+cover_put 修绘制期 UAF; g_host_mock 防真网守卫 - 封面兜底污染修复: 不再把单曲 al_pic 写进 g_st.cover_url(否则 al_pic 缺失曲回落成 上一首封面且撞去重 → 封面永停); plr_page_enter 强制重估自愈; pl_page_enter 回填歌单封面 - 缓冲 UI: BUFFER 态「缓冲中… N%」(g_play.dl_done/total, 下载回调累加); 播放错误中文 错误条+snack(旧版 err 无 UI 消费者=无声死等); STOPPED 态播放键=重试; play/next 清 err - 写失败 set_err 修连环跳歌(旧版静默 break 被外层当自然播完,流死时跳完歌单+狂发 song_url); still_current 护栏修下载途中切歌的状态/快照过期覆盖 - 验证(0 真实请求): cover_chain_sim 7 组+player_flow_sim P1-P5 全 PASS, 旧代码对照 T2/P2/P4 必败坐实根因; audiod_chain_sim 14/14; pagination/window/core+qemu 回归 PASS; 宿主+mipsel 自有代码 0 warning; 9 页离屏渲染 rc=0 (含新 mock 页 playerbuf/playererr) - ncm md5 50d41bbf4a379e925699ba013b997ffd (未部署真机, 留主会话)
489 lines
19 KiB
C
489 lines
19 KiB
C
/* 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)→
|
||
* minimp3 解码→audio_out 直写。UI 不卡（网络+解码全在此线程）。
|
||
*
|
||
* 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
|
||
* 「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）；
|
||
* 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。
|
||
* 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）。
|
||
* 返回码/错误经 g_play.err/errmsg 供 UI 提示。
|
||
*/
|
||
#include "../ncm_app_internal.h"
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <unistd.h>
|
||
#include <sys/stat.h>
|
||
#include "minimp3_ex.h"
|
||
|
||
static pthread_t g_thr;
|
||
static int g_thr_on;
|
||
static int g_want_run = 1; /* 线程运行标志（quit=0） */
|
||
#define PCM_CHUNK 8192 /* 每块交织样本数（双声道 → 4096 帧） */
|
||
|
||
/* ---- 线程内部一次性歌的状态 ---- */
|
||
static char g_path[512]; /* 本地 mp3 路径（缓存） */
|
||
static int64_t g_file_bytes;
|
||
static int g_level; /* 音质档（来自设置） */
|
||
static int g_cache_gb;
|
||
|
||
/* 被抢占回调（SDK 读线程分发；audiod 后开流赢）：走 g_play 命令通道暂停（内部持锁），
|
||
* 不直接动锁外状态。恢复时 audio_out_pause(0) 会检测流死并自动重开（见 audio_out.c）。 */
|
||
static void on_audio_preempt(const char *by_app, void *ctx)
|
||
{
|
||
(void)ctx;
|
||
meow_log(MEOW_LOG_WARN, "play: preempted by [%s] -> pause", (by_app && by_app[0]) ? by_app : "?");
|
||
player_manager_pause(1);
|
||
}
|
||
|
||
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; }
|
||
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; }
|
||
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; }
|
||
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; }
|
||
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; }
|
||
|
||
/* 本曲下载进度（UI 缓冲反馈，§18）。total=0 表示未知（song_url 未给 size / 缓存命中）。 */
|
||
void player_manager_dl(int64_t *done, int64_t *total)
|
||
{
|
||
pthread_mutex_lock(&g_play.mu);
|
||
if (done) *done = g_play.dl_done;
|
||
if (total) *total = g_play.dl_total;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
}
|
||
|
||
/* 播放曲快照（REPORT §17）：run_song 起播时物化并拷入 g_play.play_song（mu 保护），
|
||
* 之后播放/歌词/IPC/UI 一律读快照——窗口滑出当前播放曲不影响播放，不许崩。 */
|
||
int player_manager_current_song(ncm_song_t *out)
|
||
{
|
||
if (!out) return -1;
|
||
pthread_mutex_lock(&g_play.mu);
|
||
int ok = g_play.play_song_valid;
|
||
if (ok) *out = g_play.play_song;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
return ok ? 0 : -1;
|
||
}
|
||
|
||
void player_manager_set_quality(int level, int cache_gb)
|
||
{
|
||
g_level = level;
|
||
g_cache_gb = cache_gb;
|
||
pthread_mutex_lock(&g_play.mu);
|
||
g_play.err = 0;
|
||
ncm_cache_set_limit_gb(&g_st.ctx.cache, cache_gb);
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
}
|
||
|
||
void player_manager_play(int song_idx)
|
||
{
|
||
pthread_mutex_lock(&g_play.mu);
|
||
g_play.cur_song = song_idx;
|
||
g_play.cmd = 0;
|
||
g_play.state = NCM_PC_BUFFER;
|
||
g_play.pos_ms = 0;
|
||
g_play.err = 0; /* 新播放意图清旧错误（UI 错误条随新点歌消失） */
|
||
g_play.dl_done = 0;
|
||
g_play.dl_total = 0;
|
||
g_play.seq++;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
}
|
||
|
||
void player_manager_pause(int on)
|
||
{
|
||
pthread_mutex_lock(&g_play.mu);
|
||
if (on) { if (g_play.state == NCM_PC_PLAYING) g_play.state = NCM_PC_PAUSED; }
|
||
else { if (g_play.state == NCM_PC_PAUSED) g_play.state = NCM_PC_PLAYING; }
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
}
|
||
|
||
void player_manager_seek(int64_t ms)
|
||
{
|
||
pthread_mutex_lock(&g_play.mu);
|
||
g_play.cmd = NCM_CTL_SEEK;
|
||
g_play.cmd_seek_ms = ms;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
}
|
||
|
||
void player_manager_next(int dir)
|
||
{
|
||
pthread_mutex_lock(&g_play.mu);
|
||
int c = g_play.cur_song + dir;
|
||
if (c < 0) c = 0;
|
||
if (c >= g_st.track_ids_count) c = g_st.track_ids_count - 1; /* 滑窗：边界=全量索引数 */
|
||
if (c != g_play.cur_song) {
|
||
g_play.cur_song = c;
|
||
g_play.cmd = 0;
|
||
g_play.state = NCM_PC_BUFFER;
|
||
g_play.pos_ms = 0;
|
||
g_play.err = 0;
|
||
g_play.dl_done = 0;
|
||
g_play.dl_total = 0;
|
||
g_play.seq++;
|
||
}
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
}
|
||
|
||
void player_manager_stop(void)
|
||
{
|
||
pthread_mutex_lock(&g_play.mu);
|
||
g_play.cur_song = -1;
|
||
g_play.state = NCM_PC_STOPPED;
|
||
g_play.pos_ms = 0;
|
||
g_play.play_song_valid = 0; /* 快照失效 */
|
||
g_play.seq++;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
}
|
||
|
||
/* ---- 每首歌的播放体（在外层循环内调用）---- */
|
||
static int download_cb(void *ctx, const unsigned char *data, size_t len)
|
||
{
|
||
/* 下载进度反馈（UI「缓冲中… N%」，§18）：回调在播放线程，锁内仅累加。 */
|
||
pthread_mutex_lock(&g_play.mu);
|
||
g_play.dl_done += (int64_t)len;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
return ncm_cache_write((ncm_cache_writer_t *)ctx, data, len);
|
||
}
|
||
|
||
/* 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。
|
||
* 返回 NCM_OK 或负错误码。id 由调用方（run_song）从播放曲快照取，与窗口解耦（§17）。 */
|
||
static int song_local_file(const char *id, char *path, size_t psz, int64_t *bytes)
|
||
{
|
||
/* 缓存命中 → 离线直接播 */
|
||
if (ncm_cache_lookup(&g_st.ctx.cache, id, ".mp3", path, psz) == NCM_OK) {
|
||
struct stat st;
|
||
if (stat(path, &st) == 0) { *bytes = (int64_t)st.st_size; return NCM_OK; }
|
||
}
|
||
|
||
/* 播放地址：从 g_level 降级，只收 mp3 */
|
||
ncm_play_url_t u;
|
||
int rc = ncm_api_song_url_auto(g_st.ctx.device_id, g_st.ctx.cookie, id, g_level, &u);
|
||
if (rc != NCM_OK) return rc;
|
||
if (!u.url[0]) return NCM_ERR_NOTFOUND;
|
||
pthread_mutex_lock(&g_play.mu);
|
||
g_play.dl_total = (u.size > 0) ? u.size : 0; /* 缓冲进度% 分母（0=未知只转菊花） */
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
|
||
/* 写前检查：池大小超限先按 LRU 淘汰（此线程尚未开 temp，无在途文件被误删风险） */
|
||
ncm_cache_evict(&g_st.ctx.cache);
|
||
|
||
/* 流式下载到缓存 temp → commit（稳妥者：先落盘再播） */
|
||
ncm_cache_writer_t *w = NULL;
|
||
rc = ncm_cache_open(&g_st.ctx.cache, id, ".mp3", &w);
|
||
if (rc != NCM_OK) return rc;
|
||
|
||
ncm_http_req_t req;
|
||
memset(&req, 0, sizeof req);
|
||
req.url = u.url;
|
||
req.method = "GET";
|
||
req.extra_hdrs = "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) "
|
||
"AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36";
|
||
req.verify_ca = NCM_HTTP_VERIFY_DEFAULT;
|
||
req.timeout_ms = 30000;
|
||
|
||
ncm_http_resp_t resp;
|
||
size_t maxb = (u.size > 0 && u.size < (64LL << 20)) ? (size_t)u.size : (64u << 20);
|
||
rc = ncm_http_download(&req, download_cb, w, maxb, &resp);
|
||
if (rc != NCM_OK || resp.status != 200) {
|
||
ncm_cache_abort(w);
|
||
return (rc != NCM_OK) ? rc : NCM_ERR_HTTP;
|
||
}
|
||
rc = ncm_cache_commit(w);
|
||
if (rc != 0) return rc;
|
||
/* 写后检查：新落盘可能把池推过上限 → 再按 LRU 淘汰最旧（刚写的 mtime 最新，存活） */
|
||
ncm_cache_evict(&g_st.ctx.cache);
|
||
if (ncm_cache_lookup(&g_st.ctx.cache, id, ".mp3", path, psz) != NCM_OK)
|
||
return NCM_ERR_NOENT;
|
||
struct stat st;
|
||
if (stat(path, &st) == 0) *bytes = (int64_t)st.st_size;
|
||
return NCM_OK;
|
||
}
|
||
|
||
static void set_err(int err, const char *msg)
|
||
{
|
||
pthread_mutex_lock(&g_play.mu);
|
||
g_play.err = err;
|
||
if (msg) { ncm_strlcpy(g_play.errmsg, msg, sizeof g_play.errmsg); }
|
||
g_play.state = NCM_PC_STOPPED;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
}
|
||
|
||
/* 切歌竞态护栏（§18）：物化/下载期间用户可能已切歌——只有仍是当前目标且处于 BUFFER
|
||
* （本次播放意图未过期）才继续，否则直接回外层（外层会以新 cur 重跑 run_song）。 */
|
||
static int still_current(int idx)
|
||
{
|
||
pthread_mutex_lock(&g_play.mu);
|
||
int ok = (g_play.cur_song == idx) && (g_play.state == NCM_PC_BUFFER);
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
return ok;
|
||
}
|
||
|
||
/* 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。 */
|
||
static void run_song(int idx)
|
||
{
|
||
/* §17 滑窗兼容：物化目标曲（窗内命中 / 盘缓存 / song_detail 单曲）并整体快照进
|
||
* g_play.play_song——之后本曲所有字段读快照，窗口滑出当前播放曲不影响播放。 */
|
||
ncm_song_t s;
|
||
if (appstate_song_copy(idx, &s) != 0) {
|
||
int fr = appstate_song_fetch(idx, &s);
|
||
if (fr != NCM_OK) { set_err(fr, "load failed"); return; }
|
||
}
|
||
if (!still_current(idx)) return; /* 物化期间已切歌/停止：不写过期快照 */
|
||
pthread_mutex_lock(&g_play.mu);
|
||
g_play.play_song = s;
|
||
g_play.play_song_valid = 1;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
|
||
int64_t file_bytes = 0;
|
||
char path[512];
|
||
int rc = song_local_file(s.id, path, sizeof path, &file_bytes);
|
||
if (rc != NCM_OK) {
|
||
if (!still_current(idx)) return; /* 下载期间已切歌：静默放弃（缓存已落盘不亏） */
|
||
const char *m = (rc == NCM_ERR_NOTFOUND) ? "no stream (VIP/copyright)"
|
||
: (rc == NCM_ERR_AUTH) ? "session expired" : "load failed";
|
||
set_err(rc, m);
|
||
return;
|
||
}
|
||
if (!still_current(idx)) return; /* 下载完成但已切歌：勿开解码/勿动状态 */
|
||
ncm_strlcpy(g_path, path, sizeof g_path);
|
||
g_file_bytes = file_bytes;
|
||
|
||
int64_t dur = s.duration_ms > 0 ? s.duration_ms : 0;
|
||
|
||
mp3dec_ex_t dec;
|
||
memset(&dec, 0, sizeof dec);
|
||
if (mp3dec_ex_open(&dec, path, MP3D_SEEK_TO_BYTE) != 0) { set_err(NCM_ERR_IO, "decode open failed"); return; }
|
||
|
||
/* 音频输出：解码器输出 S16_LE（minimp3 默认）；用 44100/2ch 直开 */
|
||
if (audio_out_open(44100, 2, 16) != 0) { mp3dec_ex_close(&dec); set_err(NCM_ERR_IO, "audio open failed"); return; }
|
||
|
||
/* 状态→播放 */
|
||
pthread_mutex_lock(&g_play.mu);
|
||
g_play.state = NCM_PC_PLAYING;
|
||
g_play.pos_ms = 0;
|
||
g_play.dur_ms = dur;
|
||
g_play.err = 0;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
meow_log(MEOW_LOG_INFO, "play: start idx=%d id=%s dur=%lldms", idx, s.id, (long long)dur);
|
||
|
||
mp3d_sample_t pcm[PCM_CHUNK];
|
||
int64_t frames_done = 0; /* 已输出帧（每通道） */
|
||
int need_seek_ms = -1;
|
||
int paused_edge = 0; /* 暂停沿：进暂停已向 audiod 发 pause */
|
||
|
||
for (;;) {
|
||
if (g_app_quit) break;
|
||
|
||
/* 取命令 */
|
||
pthread_mutex_lock(&g_play.mu);
|
||
int cmd = g_play.cmd; g_play.cmd = 0;
|
||
int64_t seek_ms = g_play.cmd_seek_ms;
|
||
int cur = g_play.cur_song;
|
||
int st = g_play.state;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
|
||
if (cur != idx) { meow_log(MEOW_LOG_INFO, "play: switch idx=%d -> %d", idx, cur); break; } /* 切歌 → 回外层 */
|
||
if (st == NCM_PC_STOPPED) { meow_log(MEOW_LOG_INFO, "play: stopped idx=%d", idx); break; }
|
||
|
||
if (cmd == NCM_CTL_SEEK && seek_ms >= 0) { need_seek_ms = (int)seek_ms; }
|
||
|
||
if (st == NCM_PC_PAUSED) {
|
||
if (!paused_edge) { /* 进暂停：停 PCM 时钟但不丢流（audiod MSG_AUDIO_PAUSE） */
|
||
paused_edge = 1;
|
||
meow_log(MEOW_LOG_INFO, "play: paused idx=%d pos=%lldms", idx,
|
||
(long long)(frames_done * 1000 / 44100));
|
||
audio_out_pause(1);
|
||
}
|
||
usleep(40 * 1000);
|
||
continue; /* 冻结 */
|
||
}
|
||
if (paused_edge) { /* 出暂停：恢复 audiod 流（流死则自动重开） */
|
||
paused_edge = 0;
|
||
meow_log(MEOW_LOG_INFO, "play: resumed idx=%d", idx);
|
||
if (audio_out_pause(0) != 0) { set_err(NCM_ERR_IO, "audio resume failed"); break; }
|
||
}
|
||
|
||
if (need_seek_ms >= 0) {
|
||
/* 重开并 seek：关闭后重开（字节 offset 近似） */
|
||
meow_log(MEOW_LOG_INFO, "play: seek idx=%d -> %dms", idx, need_seek_ms);
|
||
audio_out_close();
|
||
mp3dec_ex_close(&dec);
|
||
memset(&dec, 0, sizeof dec);
|
||
if (mp3dec_ex_open(&dec, path, MP3D_SEEK_TO_BYTE) != 0) { set_err(NCM_ERR_IO, "seek reopen failed"); break; }
|
||
if (audio_out_open(44100, 2, 16) != 0) { set_err(NCM_ERR_IO, "audio reopen failed"); break; }
|
||
int64_t target = (g_file_bytes > 0 && dur > 0)
|
||
? (int64_t)g_file_bytes * need_seek_ms / dur : 0;
|
||
mp3dec_ex_seek(&dec, (uint64_t)(target > 0 ? target : 0));
|
||
frames_done = (int64_t)need_seek_ms * 44100 / 1000;
|
||
need_seek_ms = -1;
|
||
continue;
|
||
}
|
||
|
||
size_t got = mp3dec_ex_read(&dec, pcm, PCM_CHUNK);
|
||
if (got == 0) { /* 播完 */
|
||
meow_log(MEOW_LOG_INFO, "play: done idx=%d frames=%lld", idx, (long long)frames_done);
|
||
break;
|
||
}
|
||
int frames = (int)(got / 2);
|
||
/* 写失败（流死/audiod 断链）：置错停播——旧版静默 break 会被外层当「自然播完」
|
||
* 自动顺延下一首，流死时连环跳歌并狂发 song_url 请求（§18 修）。 */
|
||
if (audio_out_write(pcm, frames) != frames) {
|
||
if (!g_app_quit) set_err(NCM_ERR_IO, "audio write failed");
|
||
break;
|
||
}
|
||
frames_done += frames;
|
||
/* 更新进度（~200ms 节流）*/
|
||
int64_t pos = frames_done * 1000 / 44100;
|
||
pthread_mutex_lock(&g_play.mu);
|
||
g_play.pos_ms = pos;
|
||
if (dur > 0 && pos >= dur) g_play.pos_ms = dur;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
}
|
||
|
||
audio_out_close();
|
||
mp3dec_ex_close(&dec);
|
||
/* 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） */
|
||
}
|
||
|
||
/* 外层播放线程循环 */
|
||
static void *player_thread(void *arg)
|
||
{
|
||
(void)arg;
|
||
while (g_want_run && !g_app_quit) {
|
||
pthread_mutex_lock(&g_play.mu);
|
||
int cur = g_play.cur_song;
|
||
int st = g_play.state;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
|
||
if (cur < 0 || cur >= g_st.track_ids_count || st == NCM_PC_STOPPED) {
|
||
usleep(60 * 1000);
|
||
continue;
|
||
}
|
||
/* 以本地快照播放（idx 被外层线程独占，无需再锁） */
|
||
run_song(cur);
|
||
|
||
pthread_mutex_lock(&g_play.mu);
|
||
int cur2 = g_play.cur_song;
|
||
int st2 = g_play.state;
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
/* 自然播完且无新命令 → 顺延下一首；否则回到循环等待 */
|
||
if (cur2 >= 0 && cur2 < g_st.track_ids_count && st2 != NCM_PC_STOPPED && cur2 == cur) {
|
||
int nx = cur + 1;
|
||
if (nx < g_st.track_ids_count) { player_manager_next(1); }
|
||
else { player_manager_stop(); }
|
||
} else {
|
||
usleep(50 * 1000);
|
||
}
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
/* ---- 歌词后台加载（二期）：UI 不阻塞 —— 持久 worker 监视当前播放歌曲，首播/切歌/自动顺延
|
||
* 时在独立线程拉取并解析，UI 经 lyric_state() 判「加载中 / 无词」。 ----
|
||
* §17：曲目 id 改读播放快照（g_play.play_song，mu 保护），不再依赖窗口内
|
||
* g_st.songs[]——窗口滑出当前播放曲歌词照常。 */
|
||
static pthread_mutex_t g_lyrmu = PTHREAD_MUTEX_INITIALIZER;
|
||
static pthread_t g_lyr_thr;
|
||
static int g_lyr_thr_on;
|
||
static volatile int g_lyr_state; /* 0=空闲/未拉 1=加载中 2=已拉完 */
|
||
static char g_lyr_song_id[24]; /* 歌词归属歌曲 id */
|
||
|
||
static void *lyric_worker(void *arg)
|
||
{
|
||
(void)arg;
|
||
char last_id[24] = "";
|
||
while (!g_app_quit) {
|
||
usleep(300 * 1000);
|
||
char id[24];
|
||
pthread_mutex_lock(&g_play.mu);
|
||
int idx = g_play.cur_song;
|
||
int have = g_play.play_song_valid;
|
||
ncm_strlcpy(id, have ? g_play.play_song.id : "", sizeof id);
|
||
pthread_mutex_unlock(&g_play.mu);
|
||
if (idx < 0 || idx >= g_st.track_ids_count || !have) {
|
||
lyric_clear();
|
||
pthread_mutex_lock(&g_lyrmu);
|
||
g_lyr_song_id[0] = 0;
|
||
g_lyr_state = 0;
|
||
pthread_mutex_unlock(&g_lyrmu);
|
||
last_id[0] = 0;
|
||
continue;
|
||
}
|
||
if (!id[0]) continue;
|
||
if (strcmp(id, last_id) == 0) continue; /* 同一曲已拉/在拉 */
|
||
|
||
ncm_strlcpy(last_id, id, sizeof last_id);
|
||
lyric_clear();
|
||
pthread_mutex_lock(&g_lyrmu);
|
||
g_lyr_state = 1; /* 加载中 */
|
||
pthread_mutex_unlock(&g_lyrmu);
|
||
|
||
char *lrc = (char *)malloc(64 * 1024);
|
||
char *tl = (char *)malloc(32 * 1024);
|
||
if (!lrc || !tl) {
|
||
free(lrc); free(tl);
|
||
pthread_mutex_lock(&g_lyrmu); g_lyr_state = 0; pthread_mutex_unlock(&g_lyrmu);
|
||
continue;
|
||
}
|
||
int rc = ncm_api_lyric(g_st.ctx.device_id, g_st.ctx.cookie, id, lrc, 64 * 1024, tl, 32 * 1024);
|
||
if (rc == NCM_OK) lyric_parse(lrc, tl);
|
||
free(lrc); free(tl);
|
||
|
||
pthread_mutex_lock(&g_lyrmu);
|
||
ncm_strlcpy(g_lyr_song_id, id, sizeof g_lyr_song_id);
|
||
g_lyr_state = 2; /* 拉完（可能 0 行=无词） */
|
||
pthread_mutex_unlock(&g_lyrmu);
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
static void lyric_ensure_worker(void)
|
||
{
|
||
pthread_mutex_lock(&g_lyrmu);
|
||
if (!g_lyr_thr_on) {
|
||
g_lyr_thr_on = 1;
|
||
if (pthread_create(&g_lyr_thr, NULL, lyric_worker, NULL) == 0) pthread_detach(g_lyr_thr);
|
||
else g_lyr_thr_on = 0;
|
||
}
|
||
pthread_mutex_unlock(&g_lyrmu);
|
||
}
|
||
|
||
/* 为当前曲目「异步」拉歌词：确保后台 worker 在跑即返回（UI 不阻塞网络/解析）。
|
||
* 实际拉取+解析在 worker 线程（约 0.3s 内开始），结束置 lyric_state()=2。 */
|
||
int player_manager_load_lyric(void)
|
||
{
|
||
lyric_ensure_worker();
|
||
return NCM_OK;
|
||
}
|
||
|
||
/* 歌词加载状态（UI 判「loading / no lyric」）。 */
|
||
int lyric_state(void)
|
||
{
|
||
int s;
|
||
pthread_mutex_lock(&g_lyrmu);
|
||
s = g_lyr_state;
|
||
pthread_mutex_unlock(&g_lyrmu);
|
||
return s;
|
||
}
|
||
|
||
int player_manager_start(void)
|
||
{
|
||
if (g_thr_on) return 0;
|
||
g_want_run = 1;
|
||
g_level = g_st.level;
|
||
g_cache_gb = g_st.cache_limit_gb;
|
||
pthread_mutex_init(&g_play.mu, NULL);
|
||
meow_audio_on_preempt(on_audio_preempt, NULL); /* 被抢占 → 暂停（SDK 读线程分发） */
|
||
if (pthread_create(&g_thr, NULL, player_thread, NULL) != 0) return -1;
|
||
g_thr_on = 1;
|
||
return 0;
|
||
}
|
||
|
||
void player_manager_stop_thread(void)
|
||
{
|
||
g_want_run = 0;
|
||
g_app_quit = 1;
|
||
audio_out_close(); /* 打断阻塞写 */
|
||
if (g_thr_on) {
|
||
pthread_join(g_thr, NULL);
|
||
g_thr_on = 0;
|
||
}
|
||
}
|