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ykxmz/_build/fix_audio_pause.py
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# -*- coding: utf-8 -*-
"""修「手表推了 mp3 过去,暂停不了」。
根因:play_audio 用 Windows MCI 直接播放文件,而 MCI **不是系统媒体会话**,
不响应全局多媒体按键(VK_MEDIA_PLAY_PAUSE)。手表发的「播放/暂停」正是
模拟媒体键,所以对推进去的音频完全无效 —— 只能靠「停止」(它会 close)。
修法:只要电脑正在播手表推的音频,媒体命令就直接作用于 MCI;
音量类仍然走系统媒体键(音量是全局的)。
另外补三条精确命令:audio_pause / audio_resume / audio_status。
"""
from __future__ import annotations
import sys
from pathlib import Path
ROOT = Path(r"C:\Users\shu\Desktop\deepseekagent\LanRemote\windows"
r"\lanremote")
ACTIONS = ROOT / "actions.py"
SERVER = ROOT / "server.py"
PROTOCOL = ROOT / "protocol.py"
# ---------------- protocol ----------------
PROTO_OLD = 'CMD_FEATURE_RUN = "feature_run" # 执行某个功能\n'
PROTO_NEW = ('CMD_FEATURE_RUN = "feature_run" # 执行某个功能\n'
'CMD_AUDIO_PAUSE = "audio_pause" # 暂停电脑正在播的音频\n'
'CMD_AUDIO_RESUME = "audio_resume" # 继续播放\n'
'CMD_AUDIO_STATUS = "audio_status" # 当前播放状态\n')
# ---------------- actions:状态字段 ----------------
INIT_OLD = ''' self._last_cpu_total = 0
self._last_cpu_idle = 0'''
INIT_NEW = ''' self._last_cpu_total = 0
self._last_cpu_idle = 0
# 电脑正在播的音频是否被暂停(MCI 不是系统媒体会话,得自己记)
self._audio_paused = False
self._audio_name = ""'''
# ---------------- actions:play_audio 记名字、复位暂停 ----------------
PLAY_OLD = ''' self._audio_alias = alias
self._mci(f"play {alias}")
return f"正在播放 {p.name}"'''
PLAY_NEW = ''' self._audio_alias = alias
self._audio_paused = False
self._audio_name = p.name
self._mci(f"play {alias}")
return f"正在播放 {p.name}"'''
STOP_OLD = ''' def stop_audio(self) -> str:
with self._lock:
self._mci_close_locked()
return "已停止播放"'''
STOP_NEW = ''' def stop_audio(self) -> str:
with self._lock:
self._mci_close_locked()
self._audio_paused = False
self._audio_name = ""
return "已停止播放"
def _mci_mode(self, alias: str) -> str:
"""问 MCI 现在是什么状态:playing / paused / stopped。"""
buffer = ctypes.create_unicode_buffer(64)
try:
ctypes.windll.winmm.mciSendStringW(
ctypes.c_wchar_p(f"status {alias} mode"), buffer, 64, None)
return (buffer.value or "").strip().lower()
except Exception: # noqa: BLE001
return ""
def audio_pause(self) -> str:
with self._lock:
alias = self._audio_alias
if not alias:
raise ActionError("电脑当前没有播放手表推过去的音频")
if self._audio_paused:
return "已经暂停了"
if not self._mci(f"pause {alias}"):
raise ActionError("暂停失败")
self._audio_paused = True
return f"已暂停 {self._audio_name or '音频'}"
def audio_resume(self) -> str:
with self._lock:
alias = self._audio_alias
if not alias:
raise ActionError("电脑当前没有播放手表推过去的音频")
if not self._audio_paused:
return "正在播放中"
if not self._mci(f"resume {alias}"):
raise ActionError("继续播放失败")
self._audio_paused = False
return f"继续播放 {self._audio_name or '音频'}"
def audio_status(self) -> str:
with self._lock:
alias = self._audio_alias
if not alias:
return "电脑当前没有播放音频"
mode = self._mci_mode(alias)
if mode == "playing":
return f"正在播放 {self._audio_name}"
if mode == "paused":
return f"已暂停 {self._audio_name}"
# MCI 自己放完了
self._mci_close_locked()
self._audio_paused = False
name = self._audio_name
self._audio_name = ""
return f"{name} 已播放完毕" if name else "播放已结束"'''
# ---------------- actions:media_control 优先控制 MCI ----------------
MEDIA_OLD = ''' def media_control(self, action: str) -> str:
vk = VK_MEDIA.get(action)
if vk is None:
raise ActionError(f"不支持的媒体动作: {action}")
if not IS_WINDOWS:
raise ActionError("媒体控制目前仅支持 Windows")'''
MEDIA_NEW = ''' def media_control(self, action: str) -> str:
if not IS_WINDOWS:
raise ActionError("媒体控制目前仅支持 Windows")
if action not in VK_MEDIA:
raise ActionError(f"不支持的媒体动作: {action}")
# 电脑正在播手表推过去的音频时,直接控制它。
# MCI 不是系统媒体会话,全局媒体键对它无效 ——
# 这就是"推了 mp3 过去却暂停不了"的原因。
if action in ("playpause", "stop"):
handled = self._control_pushed_audio(action)
if handled:
return handled
vk = VK_MEDIA.get(action)'''
CONTROL_MCI = '''
def _control_pushed_audio(self, action: str) -> str | None:
"""如果正在播推过去的音频,就控制它;否则返回 None 走系统媒体键。"""
with self._lock:
alias = self._audio_alias
if not alias:
return None
mode = self._mci_mode(alias)
if mode not in ("playing", "paused"):
# MCI 已经放完了
self._mci_close_locked()
self._audio_paused = False
self._audio_name = ""
return None
if action == "stop":
self._mci_close_locked()
self._audio_paused = False
self._audio_name = ""
return "已停止播放"
# playpause
if mode == "paused" or self._audio_paused:
if self._mci(f"resume {alias}"):
self._audio_paused = False
return f"继续播放 {self._audio_name}"
return None
if self._mci(f"pause {alias}"):
self._audio_paused = True
return f"已暂停 {self._audio_name}"
return None
'''
# ---------------- server:三条新命令 ----------------
SRV_OLD = ' if cmd == P.CMD_FEATURE_LIST:'
SRV_NEW = ''' if cmd == P.CMD_AUDIO_PAUSE:
note = self.actions.audio_pause()
self._log(f"[音频] {note}")
return {"ok": True, "note": note}
if cmd == P.CMD_AUDIO_RESUME:
note = self.actions.audio_resume()
self._log(f"[音频] {note}")
return {"ok": True, "note": note}
if cmd == P.CMD_AUDIO_STATUS:
return {"ok": True, "note": self.actions.audio_status()}
if cmd == P.CMD_FEATURE_LIST:'''
FIXES = [
(PROTOCOL, PROTO_OLD, PROTO_NEW, "protocol: 三条音频命令"),
(ACTIONS, INIT_OLD, INIT_NEW, "actions: 音频状态字段"),
(ACTIONS, PLAY_OLD, PLAY_NEW, "actions: play_audio 记状态"),
(ACTIONS, STOP_OLD, STOP_NEW, "actions: 暂停/继续/状态实现"),
(ACTIONS, MEDIA_OLD, MEDIA_NEW, "actions: media_control 优先控 MCI"),
(ACTIONS, " # ------------------------------------------------------------------\n # 语音播报(系统自带 TTS)",
CONTROL_MCI + "\n # ------------------------------------------------------------------\n # 语音播报(系统自带 TTS)",
"actions: _control_pushed_audio"),
(SERVER, SRV_OLD, SRV_NEW, "server: 三条音频命令"),
]
def main() -> int:
applied, skipped = 0, []
for path, old, new, tag in FIXES:
text = path.read_text(encoding="utf-8")
if old not in text:
skipped.append(tag)
print(f" [跳过] {tag} —— 锚点没找到")
continue
path.write_text(text.replace(old, new, 1), encoding="utf-8")
applied += 1
print(f" {tag}: OK")
print(f"\n 应用 {applied} / {len(FIXES)}")
if skipped:
print(f" 跳过: {', '.join(skipped)}")
import ast
ok = True
for label, path in (("protocol.py", PROTOCOL), ("actions.py", ACTIONS),
("server.py", SERVER), ("headless.py", ROOT / "headless.py")):
try:
ast.parse(path.read_text(encoding="utf-8"))
print(f" {label}: 语法 OK")
except SyntaxError as exc:
print(f" {label}: 语法错误 {exc}")
ok = False
return 0 if ok else 1
if __name__ == "__main__":
sys.exit(main())