285 lines
13 KiB
C
285 lines
13 KiB
C
/* audio.c — MeowOS launcher 拆分模块（LAUNCHER_SPLIT_PLAN 拆分）。*/
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/* 本文件由拆分工具从 meow_launcherd.c 按职责搬移；逻辑与原文 0-diff（仅 static 可见性按跨模块需求调整）。*/
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#include "meow_launcher_internal.h"
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static int amixer_vol(int numid)
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{
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char cmd[96];
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snprintf(cmd, sizeof cmd, "amixer -c 0 cget numid=%d 2>/dev/null", numid);
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FILE *p = popen(cmd, "r");
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if (!p) return -1;
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char buf[128];
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int v = -1;
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while (fgets(buf, sizeof buf, p)) {
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/* ": values=N" line — the other "values=1" on the type line is the
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* element's value COUNT, not the actual volume */
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char *s = strstr(buf, ": values=");
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if (s) { v = atoi(s + 9); break; }
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}
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pclose(p);
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return v;
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}
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static void amixer_set(int numid, int v)
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{
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if (v < 0) return;
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char cmd[96];
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snprintf(cmd, sizeof cmd, "amixer -c 0 cset numid=%d %d >/dev/null 2>&1",
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numid, v);
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system(cmd);
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}
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struct vol_snap vol_snapshot(void)
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{
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struct vol_snap s = { amixer_vol(1), amixer_vol(2) };
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return s;
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}
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void vol_restore(struct vol_snap s)
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{
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logmsg("volume restore -> L=%d R=%d", s.l, s.r);
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amixer_set(1, s.l);
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amixer_set(2, s.r);
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}
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int settings_volume = MEOW_VOL_DEFAULT; /* 当前音量 0-100（= 写入 DAC 的映射值） */
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int settings_volume_max = MEOW_VOL_MAX_DEFAULT; /* 最大音量上限 clamp */
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int settings_volume_step = MEOW_VOL_STEP_DEFAULT; /* 跳步 */
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/* M2.17/M2.16：把 meow_settings 当前值同步到本模块的缓存全局。读取方
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* （DAC/状态栏/息屏/刷新率调度）统一从缓存取，避免散读 backend。 */
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void settings_sync_cache_from_backend(void)
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{
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int v;
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if (meow_settings_get_int("audio.volume", &v) == 0) settings_volume = v;
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if (meow_settings_get_int("audio.volume_max", &v) == 0) settings_volume_max = v;
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if (meow_settings_get_int("audio.volume_step", &v) == 0) settings_volume_step = v;
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if (meow_settings_get_enum("display.refresh_rate", &v) == 0) /* names "60,30,15" */
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refresh_rate_cfg = (v == 1) ? 30 : (v == 2) ? 15 : 60;
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if (meow_settings_get_bool("display.refresh_always_max", &v) == 0) refresh_always_max = v;
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if (meow_settings_get_int("display.screen_off_timeout", &v) == 0) screen_off_timeout = v;
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if (meow_settings_get_enum("display.screen_off_mode", &v) == 0) screen_off_mode = v;
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if (meow_settings_get_int("power.longpress_menu_ms", &v) == 0) power_longpress_menu_ms = v;
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if (meow_settings_get_int("power.forceoff_ms", &v) == 0) power_forceoff_ms = v;
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}
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/* meow_settings 变更回调：set_*（如音量键）后同步缓存全局，保证既有引用
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* settings_volume 等变量的代码与 backend 单点一致（SYSTEM_SETTINGS §3）。 */
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void settings_sync_cache_listener(const char *key)
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{
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if (!strcmp(key, "audio.volume")) { int v; if (meow_settings_get_int("audio.volume", &v) == 0) settings_volume = v; }
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else if (!strcmp(key, "audio.volume_max")) { int v; if (meow_settings_get_int("audio.volume_max", &v) == 0) settings_volume_max = v; }
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else if (!strcmp(key, "audio.volume_step")) { int v; if (meow_settings_get_int("audio.volume_step", &v) == 0) settings_volume_step = v; }
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else if (!strcmp(key, "display.refresh_rate")) { int v; if (meow_settings_get_enum("display.refresh_rate", &v) == 0) refresh_rate_cfg = (v == 1) ? 30 : (v == 2) ? 15 : 60; }
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else if (!strcmp(key, "display.refresh_always_max")) { int v; if (meow_settings_get_bool("display.refresh_always_max", &v) == 0) refresh_always_max = v; }
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else if (!strcmp(key, "display.screen_off_timeout")) { int v; if (meow_settings_get_int("display.screen_off_timeout", &v) == 0) screen_off_timeout = v; }
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else if (!strcmp(key, "display.screen_off_mode")) { int v; if (meow_settings_get_enum("display.screen_off_mode", &v) == 0) screen_off_mode = v; }
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else if (!strcmp(key, "power.longpress_menu_ms")) { int v; if (meow_settings_get_int("power.longpress_menu_ms", &v) == 0) power_longpress_menu_ms = v; }
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else if (!strcmp(key, "power.forceoff_ms")) { int v; if (meow_settings_get_int("power.forceoff_ms", &v) == 0) power_forceoff_ms = v; }
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}
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/* 启动加载（M2.11/M2.24）：统一由 meow_settings 后端读 settings.conf；
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* 此处仅注册监听（一次性）+ 把 backend 当前值同步到缓存全局。重载（应用期
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* watchdog 可能改音量）等价于 meow_settings_init() + 手动同步。 */
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int settings_cache_registered = 0; /* M2.24：监听只注册一次 */
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/* ---- MeowOS 真实 DAC 音量（CS43198，ANALYSIS §18.39）----
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* HibyOS 播放器经 ioctl 直写 /dev/snd/controlC0 的 "Left/Right Playback
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* Volume"（numid 1/2，0-255）→ codec 驱动 cs43198_vol_*_put → I2C 直写 CS43198
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* 寄存器（0x9000-0x9002/0x7000-0x7001，双片 L/R）。我们复刻同路径（amixer
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* cset = SNDRV_CTL_IOCTL_ELEM_WRITE），0-100 → 0-255 映射直写两声道。
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* 读回不可用（驱动 get 为 dummy 恒 0；/dev/i2c-3 被驱动占用），故系统音量以
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* settings_volume（写入 DAC 的映射值）为权威跟踪值。 */
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void meow_dac_vol_write(int pct)
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{
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int dac = 255 - pct * 255 / 100; /* CS43198 寄存器=衰减量(0=最响 255=静音)，用户 pct 越大越响 → 反转映射 */
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if (dac < 0) dac = 0;
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if (dac > 255) dac = 255;
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char cmd[160];
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snprintf(cmd, sizeof cmd,
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"amixer -c 0 cset numid=1 %d >/dev/null 2>&1; amixer -c 0 cset numid=2 %d >/dev/null 2>&1",
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dac, dac);
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system(cmd);
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logmsg("DAC vol -> L/R=%d (pct %d)", dac, pct);
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}
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static unsigned long long vol_dac_last_ms = 0;
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void meow_dac_vol_write_throttled(void)
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{
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unsigned long long now = now_ms();
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if (now - vol_dac_last_ms < VOL_DRAG_DAC_MS) return; /* 节流窗口内跳过，等抬手统一写 */
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vol_dac_last_ms = now;
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meow_dac_vol_write(settings_volume);
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}
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/* 抬手/点击提交连 save 时调用：无条件直写一次真实 DAC（绕过节流，保证最终音量落 DAC/落盘）。 */
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void meow_dac_vol_flush(void)
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{
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vol_dac_last_ms = now_ms();
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meow_dac_vol_write(settings_volume);
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}
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/* clamp 集中：0..MEOW_VOL_MAX，再 clamp 到上限 settings_volume_max。 */
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int vol_clamp(int v)
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{
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if (v < 0) v = 0;
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if (v > MEOW_VOL_MAX) v = MEOW_VOL_MAX;
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if (v > settings_volume_max) v = settings_volume_max;
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return v;
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}
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int settings_volume_get(void) { return settings_volume; }
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int vol_ramp_dir = 0; /* +1 上 / -1 下 / 0 停 */
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static int vol_ramp_target = -1; /* 目标值；-1=无 */
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static unsigned long long vol_ramp_next_at = 0;
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static unsigned long long vol_ramp_press_at = 0; /* M2.18 Bug 4：本方向键按下时刻（长按判据） */
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/* ---- 插孔消抖（2026-09-01，真机日志实证）----
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* 4.4/3.5 耳机插拔的电气瞬态在音量键 ADC（jz_adc_aux，event2）上产生 VOL_UP 幽灵按住
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* （EVIOCGKEY 轮询到持续 down），vol_ramp 一路爬到上限：日志 225391「volume UP <- ramp」
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* → 227213「ramp end -> 50」，紧接着 audiod 才报「route: jack changed -> 4.4 balance」。
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* 修法：/sys/class/switch/{headset,balance}/state 任一变化后 JACK_DEBOUNCE_MS 内忽略音量键
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* 边沿（vol_ramp_begin 不起、vol_ramp_tick 在爬也中止）。插拔耳机时没人按音量，误伤可忽略。
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* 检测走 1s 节流读缓存——绝不在 10ms 主循环热路径上每圈读文件。 */
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/* 宿主测试可 -D 覆盖（同 meow_settings.c MEOW_SETTINGS_FILE 惯例） */
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#ifndef JACK_HS_STATE
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#define JACK_HS_STATE "/sys/class/switch/headset/state"
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#endif
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#ifndef JACK_BAL_STATE
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#define JACK_BAL_STATE "/sys/class/switch/balance/state"
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#endif
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static int jack_combo_cached = -1; /* hs*2+bal；-1=未初始化/节点缺失 */
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static unsigned long long jack_poll_at = 0; /* 上次节流读时刻 */
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static unsigned long long jack_changed_at = 0; /* 最近一次检测到插孔变化的时刻（0=无） */
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/* 读两个插孔开关节点合成 hs*2+bal；两节点都不可读返回 -1（不更新缓存，不误判变化）。 */
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static int jack_combo_read(void)
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{
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int hs = read_file_int(JACK_HS_STATE);
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int bal = read_file_int(JACK_BAL_STATE);
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if (hs < 0 && bal < 0) return -1;
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return (hs > 0 ? 2 : 0) | (bal > 0 ? 1 : 0);
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}
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/* 返回 1=插孔变化后消抖窗口内（音量键边沿应忽略/在爬 ramp 应中止）。
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* 自节流：每 JACK_POLL_MS 才真正读一次 sysfs。 */
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static int jack_debounce_active(void)
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{
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unsigned long long now = now_ms();
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if (now - jack_poll_at >= JACK_POLL_MS) {
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jack_poll_at = now;
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int c = jack_combo_read();
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if (c >= 0) {
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if (jack_combo_cached >= 0 && c != jack_combo_cached) {
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jack_changed_at = now;
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logmsg("jack state changed (%d -> %d), vol-key debounce %dms",
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jack_combo_cached, c, JACK_DEBOUNCE_MS);
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}
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jack_combo_cached = c;
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}
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}
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return jack_changed_at && (now - jack_changed_at < (unsigned long long)JACK_DEBOUNCE_MS);
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}
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static void vol_ramp_begin(int delta)
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{
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if (jack_debounce_active()) { /* 插孔瞬态期：忽略音量键边沿（幽灵按下） */
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logmsg("volume adj %+d ignored (jack debounce)", delta);
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return;
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}
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int target = vol_clamp(settings_volume + delta);
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if (target == settings_volume) return;
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vol_ramp_dir = (target > settings_volume) ? 1 : -1;
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vol_ramp_target = target;
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vol_ramp_press_at = now_ms(); /* M2.18 Bug 4：记录该方向键按下时刻，供 CLICK_MS 长按判定 */
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vol_ramp_next_at = 0; /* 立即迈第一步，给即时反馈 */
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}
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/* 每主循环 tick 调；key_held=该方向按键是否仍按住（长按续爬）。返回 1=仍在渐变。
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* M2.18 Bug 4 语义：单击(<CLICK_MS=400ms) 到 target 即停（只跳 step 格）；长按(≥400ms) 才
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* 续段连续爬。普通按压力 50-150ms 远大于 VOL_RAMP_MS(15ms)，旧逻辑在到 target 后只要
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* key_held=1 就续段 → 单击被当成长按，连爬 6~7 格（「点一下跳好几格」）。CLICK_MS 此前只
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* 被 kd_tick 状态机使用，vol_ramp 路径从未接上。 */
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int vol_ramp_tick(int key_held)
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{
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if (vol_ramp_dir == 0) return 0;
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unsigned long long now = now_ms();
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if (now < vol_ramp_next_at) return 1;
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vol_ramp_next_at = now + VOL_RAMP_MS;
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/* 插孔消抖：插拔瞬态的幽灵按住正在驱动 ramp（真机实证 24%→上限 50）——
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* 一旦检测到插孔变化（1s 节流轮询），立即中止在爬的 ramp。 */
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if (jack_debounce_active()) {
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vol_ramp_dir = 0; vol_ramp_target = -1;
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meow_settings_save();
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logmsg("volume ramp aborted (jack debounce) -> %d", settings_volume);
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return 0;
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}
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/* 兜底：ramp 总时长上限 VOL_RAMP_MAX_MS——防任何「持续按住」假象（ADC 噪声卡 key_held=1）
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* 一次打满/打到底。正常长按 0→上限（通常 ≤2.7s）不受影响；到顶想再调需松手重按。 */
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if (now - vol_ramp_press_at >= (unsigned long long)VOL_RAMP_MAX_MS) {
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vol_ramp_dir = 0; vol_ramp_target = -1;
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meow_settings_save();
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logmsg("volume ramp force-stop (%dms cap) -> %d", VOL_RAMP_MAX_MS, settings_volume);
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return 0;
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}
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/* 先看是否已到「当前目标值」（settings_volume 等于 target，而非候选 v）——
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* 因为一旦在 target 再取 v=settings_volume+dir 便越过 target，导致 hold_wait 失效继续爬。 */
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if (settings_volume == vol_ramp_target) {
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if (!key_held) { /* 松开 → 一段完成，结束（单击到 target 即停，只跳 step 格） */
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vol_ramp_dir = 0; vol_ramp_target = -1;
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meow_settings_save(); return 0;
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}
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if (now - vol_ramp_press_at < CLICK_MS) {
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/* hold_wait：已到 target 但未到长按阈值 → 停在 target 不爬（保持待命不清 dir，
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* 等长按激活或松开）；若直接续段，长按第一次到 target 就断了。 */
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return 1;
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}
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/* 长按激活：续段（在 target 基础上再 +step） */
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vol_ramp_target = vol_clamp(vol_ramp_target + vol_ramp_dir * settings_volume_step);
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if (vol_ramp_target == settings_volume) { /* 续段到上限无进展 → 结束 */
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vol_ramp_dir = 0; vol_ramp_target = -1;
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meow_settings_save(); return 0;
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}
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}
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int v = vol_clamp(settings_volume + vol_ramp_dir);
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if (v == settings_volume) { /* 已达上下限 */
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vol_ramp_dir = 0; vol_ramp_target = -1;
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meow_settings_save(); return 0;
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}
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meow_settings_set_int("audio.volume", v); /* 更新 backend 内存 + 同步缓存（不逐 1% 落盘） */
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meow_dac_vol_write(settings_volume); /* 每 1% 写一次真实 DAC（settings_volume 已同步） */
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return 1;
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}
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/* 步进调节（±settings_volume_step）→ 起线性渐变（1% 爬，见上）。 */
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void settings_volume_adj(int delta) { vol_ramp_begin(delta); }
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