增加sei检查和日志打印

Author: neilyhe

ijkmedia/ijkplayer/ff_ffmsg_queue.h

@@ -151,6 +151,11 @@ inline static void msg_obj_free_l(void *obj)
 
 inline static void msg_queue_put_simple4(MessageQueue *q, int what, int arg1, int arg2, void *obj, int obj_len)
 {
+    if (!obj || obj_len <= 0) {
+        av_log(NULL, AV_LOG_ERROR, "msg_queue_put_simple4: 无效的参数 - obj: %p, obj_len: %d\n", obj, obj_len);
+        return;
+    }
+
     AVMessage msg;
     msg_init_msg(&msg);
     msg.what = what;
@@ -163,6 +168,21 @@ inline static void msg_queue_put_simple4(MessageQueue *q, int what, int arg1, in
         av_log(NULL, AV_LOG_ERROR, "msg_queue_put_simple4: 内存分配失败 size=%d\n", obj_len);
         return;
     }
+    // 将信息合并到一条日志中
+    char log_msg[1024] = {0};
+    snprintf(log_msg, sizeof(log_msg),
+             "msg_queue_put_simple4: 准备进行内存拷贝\n"
+             "msg.obj: %p, obj: %p, obj_len: %d\n",
+             msg.obj, obj, obj_len);
+
+    av_log(NULL, AV_LOG_INFO, "%s", log_msg);
+
+    // 打印内存状态
+    av_log(NULL, AV_LOG_INFO, "内存状态: ");
+    for (int i = 0; i < obj_len; ++i) {
+        fprintf(stderr, "%02x ", ((unsigned char *) obj)[i]);
+    }
+    fprintf(stderr, "\n");
 
     // 安全拷贝数据
     memcpy(msg.obj, obj, obj_len);