加入了audio的tts

drivers/sensors/audiotts_play.c

@@ -7,6 +7,10 @@
 #include <openssl/bio.h>
 #include <openssl/evp.h>
 #include <openssl/buffer.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <errno.h>
 
 #define TTS_ADUINO_PTAH "/home/orangepi/car/master/audio.mp3"
 
@@ -461,22 +465,69 @@ int mqtt_audio_tts(cJSON *body){
 /*
 *功能，tts播放
 */
-void video_tts_play(){
+void video_tts_play() {
     if(audio_tts_index == 1) {
-        audio_tts(get_audio_text_tts(NULL,1));
-
-        char command[256];
-        snprintf(command, sizeof(command), 
-                 "ffmpeg -i /home/orangepi/car/master/audio.mp3 -af \"volume=%.1f\" -f alsa default", 
-                 g_volume);
+        audio_tts(get_audio_text_tts(NULL, 1));
         
-        int res = system(command); 
-        if(res == 0) 
-            my_zlog_info("play success, volume: %.1f", g_volume);
-        else  
-            my_zlog_error("system play fail, volume: %.1f", g_volume);
-
-        audio_tts_index == 0;
+        pid_t pid = fork();
+        if (pid == 0) {
+            // 子进程：创建新的会话组，脱离父进程组
+            setsid(); // 关键！创建新的会话组
+            
+            char command[256];
+            snprintf(command, sizeof(command), 
+                     "ffmpeg -i /home/orangepi/car/master/audio.mp3 -af \"volume=%.1f\" -f alsa default 2>/dev/null", 
+                     g_volume);
+            
+            // 重定向标准输入输出，避免占用终端
+            if (freopen("/dev/null", "r", stdin) == NULL) {
+                my_zlog_error("重定向stdin失败: %s", strerror(errno));
+                // 可以选择退出或继续
+            }
+            
+            if (freopen("/dev/null", "w", stdout) == NULL) {
+                my_zlog_error("重定向stdout失败: %s", strerror(errno));
+            }
+            
+            if (freopen("/dev/null", "w", stderr) == NULL) {
+                my_zlog_error("重定向stderr失败: %s", strerror(errno));
+            }
+            
+            int res = system(command);
+            _exit(res); // 使用_exit避免清理父进程资源
+        } 
+        else if (pid > 0) {
+            // 父进程：非阻塞等待，避免僵尸进程
+            int status;
+            waitpid(pid, &status, WNOHANG); // 不阻塞的等待
+            
+            my_zlog_info("启动独立播放进程 PID: %d", pid);
+            audio_tts_index = 0;
+        } 
+        else {
+            my_zlog_error("fork()失败");
+            audio_tts_index = 0;
+        }
     }
 }
+
+
+// void video_tts_play(){
+//     if(audio_tts_index == 1) {
+//         audio_tts(get_audio_text_tts(NULL,1));
+
+//         char command[256];
+//         snprintf(command, sizeof(command), 
+//                  "ffmpeg -i /home/orangepi/car/master/audio.mp3 -af \"volume=%.1f\" -f alsa default", 
+//                  g_volume);
+        
+//         int res = system(command); 
+//         if(res == 0) 
+//             my_zlog_info("play success, volume: %.1f", g_volume);
+//         else  
+//             my_zlog_error("system play fail, volume: %.1f", g_volume);
+
+//         audio_tts_index == 0;
+//     }
+// }
  
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