exparmental run_command in linux.py migrate_sql1.py

2026-07-28 03:27:26 +00:00
parent 6882b7ae04
commit 9203b0f88c
6 changed files with 300 additions and 18 deletions
@@ -0,0 +1,86 @@
+import  os
+
+import linux
+
+def combine_twitch_vod_and_chat(vod_path: str, layout: str = "side-by-side") -> bool:
+    """
+    Renders Twitch chat JSON to video and combines it with the source VOD.
+    Provides real-time terminal feedback for all processing steps.
+    """
+    video_path = vod_path
+    chat_path = video_path.replace(".mp4", "_chat.json")
+    temp_chat = video_path.replace(".mp4", "_temp_chat.mp4")
+    video_chat = video_path.replace(".mp4", "_with_chat.mp4")
+    mask_path = video_chat.replace(".mp4", "_mask.mp4")
+
+    # Step 1: Pre-flight checks
+    if not os.path.exists(video_path):
+        print(f"❌ Error: Source video not found: {video_path}")
+        return False
+
+    if not os.path.exists(chat_path):
+        print(f"❌ Error: Chat file not found: {chat_path}")
+        return False
+
+    # Step 2: Render Chat to Video
+    print("====================================================")
+    print("🚀 STEP 1: Rendering Chat JSON to Video Layer")
+    print("====================================================")
+    
+    chat_cmd = (
+        f"TwitchDownloaderCLI chatrender "
+        f"-i {chat_path} "
+        f"-w 400 -h 1080 "
+        f"--collision Overwrite "
+        f"--temp-path download/temp "
+        f"--font-size 25 "
+        f"--generate-mask "
+        f"-o {temp_chat}"
+        f'--output-args="-threads 8 "'
+    )
+    
+    chat_success = linux.run_command(chat_cmd, progress_prefix="Chat Render")
+    if not chat_success:
+        print("❌ Error: TwitchDownloaderCLI failed to render chat video.")
+        return False
+
+    # Step 3: Combine Video and Chat using FFmpeg
+    print("====================================================")
+    print(f"🚀 STEP 2: Merging VOD and Chat Layout ({layout})")
+    print("====================================================")
+    
+    # -preset superfast speeds up the 3+ hour encoding process significantly
+    # -map 0:a? safely includes audio if it exists, without breaking on silent VODs
+    if layout == "side-by-side":
+        ffmpeg_cmd = (
+            f"ffmpeg -y -i {video_path} -i {temp_chat} "
+            f"-filter_complex '[0:v][1:v]hstack=inputs=2[v]' "
+            f"-map '[v]' -map 0:a? -c:a copy -preset superfast {video_chat}"
+        )
+    elif layout == "overlay":
+        ffmpeg_cmd = (
+            f"ffmpeg -y -i {video_path} -i {temp_chat} -i {mask_path} "
+            f"-filter_complex '[1:v][2:v]alphamerge[masked_chat];"
+            f"[0:v][masked_chat]overlay=x=10:y=10[v]' "
+            f"-map '[v]' -map 0:a? -c:a copy -preset superfast {video_chat}"
+        )
+    else:
+        raise ValueError("Invalid layout choice. Choose 'side-by-side' or 'overlay'.")
+
+    ffmpeg_success = linux.run_command_ffmpeg(ffmpeg_cmd, progress_prefix="FFmpeg Merge")
+
+    # Step 4: Final verification and cleanup
+    if ffmpeg_success and os.path.exists(video_chat):
+        print("====================================================")
+        print(f"🎉 SUCCESS: Video processing complete!")
+        print(f"📁 Output Saved: {video_chat}")
+        print("====================================================")
+        
+        # Clean up the massive temporary chat video to save storage space
+        if os.path.exists(temp_chat):
+            print("🧹 Cleaning up temporary chat render video...")
+            #os.remove(temp_chat)
+        return True
+    else:
+        print("❌ Error: FFmpeg failed to merge the video streams.")
+        return False