fix: 修复帧率限制实现错误的问题

src/args.py

@@ -51,6 +51,7 @@ parser.add_argument('--eyebrow', action='store_true')
 parser.add_argument('--use_interpolation', action='store_true')
 parser.add_argument('--interpolation_scale', type=int, default=1)
 parser.add_argument('--interpolation_half', action='store_true')
+parser.add_argument('--mark_interpolated', action='store_true', help='在插值帧左上角打红点便于确认补帧输出')
 
 parser.add_argument('--use_sr', action='store_true')
 parser.add_argument('--sr_x4', action='store_true')

src/main.py

@@ -111,9 +111,13 @@ def main():
             else:
                 cv2.imshow("EasyVtuber Debug Frame", np_ret_shms[i])
                 cv2.waitKey(1)
+            # 限速：若 last_time 落后于当前时间则对齐到 now，避免开局成坨送帧
             
             wait_until(last_time + interval)
             last_time += interval
+            now = time.perf_counter()
+            if last_time < now:
+                last_time = now
             ret_batch_shm_channels[i].release()
         print("Infer Process FPS: {:.2f}, Input FPS: {:.2f}, Model Avg Interval: {:.2f} ms, Cache Hit Ratio: {:.2f}%, GPU Cache Hit Ratio: {:.2f}%, Output Pipeline FPS {:.5f}".format(
             infer_process.pipeline_fps_number.value,

src/model_infer_client.py

@@ -1,4 +1,5 @@
 import math
+import os
 from multiprocessing import Process, Value, shared_memory, Event
 import cv2
 import numpy as np
@@ -32,6 +33,9 @@ class ModelClientProcess(Process):
         self.finish_event = Event()
 
     def run(self):
+        # 插值帧红点标记：由 --mark_interpolated 控制，供 ezvtb_rt 读取
+        if getattr(args, 'mark_interpolated', False):
+            os.environ['EZVTB_MARK_INTERPOLATED'] = '1'
         pose_position_shm_guard = SharedMemoryGuard(self.pose_position_shm, ctrl_name="pose_position_shm_ctrl")
         np_pose_shm = np.ndarray((45,), dtype=np.float32, buffer=self.pose_position_shm.buf[:45 * 4])
         np_position_shm = np.ndarray((4,), dtype=np.float32, buffer=self.pose_position_shm.buf[45 * 4:45 * 4 + 4 * 4])