changes the process-call to include the svtav1encapp - stats into the log-file

anime_audio_helper.py

@@ -216,11 +216,39 @@ def convert_video(source_file_base, source_file_full, is_vfr, target_cfr_fps_for
     )
 
     print(f"    - Running: {' '.join(ffmpeg_pipe_cmd)} | {' '.join(svtav1_cmd)}")
-    # Use subprocess.Popen for piping
+    # Use subprocess.Popen for piping and tee SvtAv1EncApp output
+    import threading
+
+    # Save the original stdout (console) before redirection
+    original_console = sys.__stdout__
+
     with subprocess.Popen(ffmpeg_pipe_cmd, stdout=subprocess.PIPE) as ffmpeg_proc:
-        with subprocess.Popen(svtav1_cmd, stdin=ffmpeg_proc.stdout) as svt_proc:
+        with subprocess.Popen(
+            svtav1_cmd,
+            stdin=ffmpeg_proc.stdout,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT,
+            bufsize=1,
+            text=True
+        ) as svt_proc:
             ffmpeg_proc.stdout.close()  # Allow ffmpeg_proc to receive a SIGPIPE if svt_proc exits
-            svt_proc.communicate()
+
+            def tee_output(proc_stdout, log_file, console):
+                for line in proc_stdout:
+                    # Write to log file (current sys.stdout)
+                    print(line, end='')  # Goes to log file
+                    # Write to console
+                    if console:
+                        try:
+                            console.write(line)
+                            console.flush()
+                        except Exception:
+                            pass
+
+            tee_thread = threading.Thread(target=tee_output, args=(svt_proc.stdout, sys.stdout, original_console))
+            tee_thread.start()
+            svt_proc.wait()
+            tee_thread.join()
             if svt_proc.returncode != 0:
                 raise RuntimeError(f"SvtAv1EncApp failed with exit code {svt_proc.returncode}")