urgent fix the bug

Author: chenxinfeng

ffmpegcv/ffmpeg_reader.py

@@ -5,7 +5,7 @@
 import sys
 import select
 from .video_info import (
-    run_async,
+    run_async_reader as run_async,
     get_info,
     get_num_NVIDIA_GPUs,
     decoder_to_nvidia,
@@ -254,14 +254,14 @@ def read(self):
         if self.waitInit:
             self.process = run_async(self.ffmpeg_cmd)
             self.waitInit = False
-            
+        
         in_bytes = self.process.stdout.read(np.prod(self.out_numpy_shape))
-
         # check if ffmpeg process error
-        stderrreadable, _, _ = select.select([self.process.stderr], [], [], 0)
-        if stderrreadable:
-            data = self.process.stderr.read(1024)
-            sys.stderr.buffer.write(data)
+        # if self.process.stderr.readable():
+        #     print('---a')
+        #     data = self.process.stderr.read()
+        #     sys.stderr.buffer.write(data)
+        #     print('---f')
 
         if not in_bytes:
             self.release()

ffmpegcv/version.py

@@ -1 +1 @@
-__version__='0.3.17'
+__version__='0.3.18'

ffmpegcv/video_info.py

@@ -192,13 +192,27 @@ def run_async(args):
         bufsize=bufsize,
     )
 
+def run_async_reader(args):
+    bufsize = -1
+    if isinstance(args, str):
+        args = shlex.split(args)
+
+    return Popen(
+        args,
+        stdin=None,
+        stdout=PIPE,
+        stderr=subprocess.DEVNULL,
+        shell=False,
+        bufsize=bufsize,
+    )
+
 
 def release_process(process: Popen, forcekill=False):
-    if hasattr(process, "stdin"):
+    if hasattr(process, "stdin") and process.stdin is not None:
         process.stdin.close()
-    if hasattr(process, "stdout"):
+    if hasattr(process, "stdout") and process.stdout is not None:
         process.stdout.close()
-    if hasattr(process, "stderr"):
+    if hasattr(process, "stderr") and process.stderr is not None:
         process.stderr.close()
     if forcekill and hasattr(process, "terminate") and not _is_windows:
         process.terminate()

setup.py

@@ -7,7 +7,7 @@
 
 setup(
     name="ffmpegcv",  # 应用名
-    version="0.3.17",  # 版本号
+    version="0.3.18",  # 版本号
     packages=find_packages(include=["ffmpegcv*"]),  # 包括在安装包内的 Python 包
     author="chenxf",
     author_email="cxf529125853@163.com",