Update utils.py

utils.py

@@ -141,10 +141,9 @@ def analyze_script_with_ai(video_path):
         if os.path.exists(audio_path): os.remove(audio_path)
         return f"Error: {str(e)}"
 
-# --- 4. VIDEO PROCESSING (UPDATED WITH AUTO SUBTITLES) ---
+# --- 4. VIDEO PROCESSING (ULTRA SAFE AUTO SUBTITLES) ---
 async def generate_voice(text, output_file, voice, srt_file=None):
     communicate = edge_tts.Communicate(text, voice)
-    # စာတန်းထိုးဖို့ လိုအပ်ရင် အသံနဲ့အတူ SRT ပါ တစ်ခါတည်း ထုတ်ပေးမည်
     if srt_file:
         try:
             submaker = edge_tts.SubMaker()
@@ -154,11 +153,18 @@ async def generate_voice(text, output_file, voice, srt_file=None):
                         file.write(chunk["data"])
                     elif chunk["type"] == "WordBoundary":
                         submaker.create_sub((chunk["offset"], chunk["duration"]), chunk["text"])
+            
+            # Write SRT file
+            subs = submaker.generate_subs()
+            # အကယ်၍ AI က အသံထွက်ပေမယ့် စာတန်းမထွက်လာခဲ့ရင် Error မတက်အောင် Dummy စာတန်းထည့်မည်
+            if not subs.strip():
+                subs = "1\n00:00:00,000 --> 00:00:02,000\n[Audio]\n"
+                
             with open(srt_file, "w", encoding="utf-8") as file:
-                file.write(submaker.generate_subs())
+                file.write(subs)
         except Exception as e:
             print(f"⚠️ Auto Subtitle Generation Error: {e}")
-            await communicate.save(output_file) # Error တက်ရင် ရိုးရိုးပဲသိမ်းမည်
+            await communicate.save(output_file) # Error တက်ခဲ့ရင် ရိုးရိုးအသံပဲ သိမ်းမည်
     else:
         await communicate.save(output_file)
 
@@ -203,8 +209,6 @@ def process_video_edit(input_path, output_path, options):
             total_plays = math.ceil(target_duration / duration)
             loop_count = total_plays - 1
             
-            print(f"💰 Loop Calculation: Src={duration}s, Need={target_duration}s -> Plays={total_plays}, FFmpeg_Loop={loop_count}")
-
             if loop_count > 0:
                 v = v.filter('loop', loop=loop_count, size=32767)
                 a = a.filter('aloop', loop=loop_count, size=2147483647)
@@ -253,34 +257,34 @@ def process_video_edit(input_path, output_path, options):
                 ty = int(options.get('text_y', 10))
                 
                 v = v.drawtext(
-                    text=txt_content, 
-                    x=tx, 
-                    y=ty, 
-                    fontsize=35, 
-                    fontcolor='white',
-                    borderw=2,
-                    bordercolor='black',
-                    shadowx=2,
-                    shadowy=2,
-                    shadowcolor='black@0.5'
+                    text=txt_content, x=tx, y=ty, fontsize=35, fontcolor='white',
+                    borderw=2, bordercolor='black', shadowx=2, shadowy=2, shadowcolor='black@0.5'
                 )
-            except Exception as e:
-                print(f"⚠️ Text Watermark Error: {e}")
+            except: pass
 
-        # --- AUTO SUBTITLES ---
+        # --- AUTO SUBTITLES (FIXED PATH & SAFETY) ---
         if options.get('auto_subtitles') and options.get('srt_path') and os.path.exists(options['srt_path']):
             try:
-                # Format file path for FFmpeg
-                srt_p = options['srt_path'].replace('\\', '/').replace(':', '\\:')
-                # Subtitle Style (အဝါရောင်၊ အနားကွပ်အမည်း၊ အလယ်တည့်တည့်)
-                style = "FontSize=20,PrimaryColour=&H0000FFFF,OutlineColour=&H00000000,BorderStyle=1,Outline=2,Alignment=2,MarginV=25"
-                v = v.filter('subtitles', srt_p, force_style=style)
+                # FFmpeg တွင် Error မတက်စေရန် Relative Path ပြောင်းသုံးခြင်း
+                srt_p = os.path.relpath(options['srt_path']).replace('\\', '/')
+                
+                if os.path.getsize(options['srt_path']) > 0:
+                    # အဝါရောင်၊ အနားကွပ်အမည်း၊ အလယ်တည့်တည့်
+                    style = "FontSize=24,PrimaryColour=&H0000FFFF,OutlineColour=&H00000000,BorderStyle=1,Outline=2,Alignment=2,MarginV=25"
+                    v = v.filter('subtitles', srt_p, force_style=style)
+                else:
+                    print("⚠️ SRT File is empty, skipping subtitle burning.")
             except Exception as e:
-                print(f"⚠️ Subtitle Filter Error: {e}")
+                print(f"⚠️ Subtitle Filter Application Error: {e}")
 
         output = ffmpeg.output(v, a, output_path, vcodec='libx264', acodec='aac', preset='veryfast', shortest=None)
         output.run(overwrite_output=True, quiet=True)
         return True, "Success"
         
+    except ffmpeg.Error as e:
+        # Error အတိအကျသိရအောင် Log ဖမ်းခြင်း
+        err_msg = e.stderr.decode('utf8') if e.stderr else str(e)
+        print(f"❌ FFmpeg Critical Error:\n{err_msg}")
+        return False, f"FFmpeg Render Error. (Check Terminal for details)"
     except Exception as e:
         return False, str(e)