updated player

working_files/INVESTIGATION_RESULTS.md

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+# Investigation Results: Media File Skipping
+
+## Diagnostic Summary
+✅ **All 3 media files are present and valid:**
+- music.jpg (36,481 bytes) - IMAGE
+- 130414-746934884.mp4 (6,474,921 bytes) - VIDEO (H.264, 1920x1080, compatible)
+- IMG_0386.jpeg (592,162 bytes) - IMAGE
+
+✅ **No file system issues found:**
+- All files exist
+- Correct permissions
+- No case sensitivity problems
+- Supported file types
+
+✅ **Video codec is compatible:**
+- H.264 codec (fully supported by ffpyplayer)
+- 1920x1080 @ 29.97fps
+- Reasonable bitrate (2.3 Mbps)
+
+## Potential Root Causes Identified
+
+### 1. **Video Widget Not Properly Stopping** (Most Likely)
+When transitioning from video to the next media, the video widget may not be properly stopped before removal. This could cause:
+- The video to continue playing in background
+- Race conditions with scheduling
+- Next media appearing to "skip"
+
+**Location**: `play_current_media()` line 417-420
+```python
+if self.current_widget:
+    self.ids.content_area.remove_widget(self.current_widget)
+    self.current_widget = None
+```
+
+**Fix**: Stop video before removing widget
+
+### 2. **Multiple Scheduled Events**
+The `Clock.schedule_once(self.next_media, duration)` could be called multiple times if widget loading triggers multiple events.
+
+**Location**: Lines 510, 548
+
+**Fix**: Add `Clock.unschedule()` before scheduling
+
+### 3. **Video Loading Callback Issues**
+The video `loaded` callback might not fire or might fire multiple times, causing state confusion.
+
+**Location**: `_on_video_loaded()` line 516
+
+### 4. **Pause State Not Properly Checked**
+If the player gets paused/unpaused during media transition, scheduling could get confused.
+
+**Location**: `next_media()` line 551
+
+## What Enhanced Logging Will Show
+
+With the new logging, you'll see patterns like:
+
+### If Videos Are Being Skipped:
+```
+===== Playing item 2/3 =====
+File: 130414-746934884.mp4
+Extension: .mp4
+Media type: VIDEO
+Loading video...
+Creating Video widget...
+[SHORT PAUSE OR ERROR]
+Transitioning to next media (was index 1)
+===== Playing item 3/3 =====
+```
+
+### If Duration Is Too Short:
+```
+Creating Video widget...
+Scheduled next media in 23s
+[Only 1-2 seconds pass]
+Transitioning to next media
+```
+
+## Recommended Fixes
+
+I've added comprehensive logging. Here are additional fixes to try:
+
+### Fix 1: Properly Stop Video Widget Before Removal
+Add this to `play_current_media()` before removing widget:
+
+```python
+# Remove previous media widget
+if self.current_widget:
+    # Stop video if it's playing
+    if isinstance(self.current_widget, Video):
+        self.current_widget.state = 'stop'
+        self.current_widget.unload()
+    self.ids.content_area.remove_widget(self.current_widget)
+    self.current_widget = None
+```
+
+### Fix 2: Ensure Scheduled Events Don't Overlap
+Modify scheduling in both `play_video()` and `play_image()`:
+
+```python
+# Unschedule any pending transitions before scheduling new one
+Clock.unschedule(self.next_media)
+Clock.schedule_once(self.next_media, duration)
+```
+
+### Fix 3: Add Video State Monitoring
+Track when video actually starts playing vs when widget is created.
+
+## How to Test
+
+### 1. Run with Enhanced Logging
+```bash
+cd /home/pi/Desktop/Kiwy-Signage
+source .venv/bin/activate
+cd src
+python3 main.py 2>&1 | tee ../playback_debug.log
+```
+
+Watch the console output. You should see:
+- Each media file being loaded
+- Timing information
+- Any errors or skips
+
+### 2. Check Timing
+If media skips, check the log for timing:
+- Does "Scheduled next media in Xs" appear?
+- How long until "Transitioning to next media" appears?
+- Is it immediate (< 1 second) = scheduling bug
+- Is it after full duration = normal operation
+
+### 3. Look for Error Patterns
+Search the log for:
+```bash
+grep "❌" playback_debug.log
+grep "Error" playback_debug.log
+grep "consecutive_errors" playback_debug.log
+```
+
+## Quick Test Scenario
+
+Create a test with just one file to isolate the issue:
+
+```json
+{
+  "playlist": [
+    {
+      "file_name": "music.jpg",
+      "url": "media/music.jpg",
+      "duration": 10
+    }
+  ],
+  "version": 99
+}
+```
+
+If this single image repeats correctly every 10s, the issue is with video playback or transitions.
+
+## What to Report
+
+When you run the app, please capture:
+
+1. **Console output** - especially the pattern around skipped files
+2. **Which files skip?** - Is it always videos? Always after videos?
+3. **Timing** - Do files play for full duration before skipping?
+4. **Pattern** - First loop OK then skips? Always skips certain file?
+
+## Tools Created
+
+1. **diagnose_playlist.py** - Check file system issues
+2. **test_playback_logging.py** - Simulate playback logic
+3. **check_video_codecs.py** - Verify video compatibility
+4. **Enhanced main.py** - Detailed logging throughout
+
+## Next Actions
+
+1. ✅ Run `diagnose_playlist.py` - **PASSED**
+2. ✅ Run `check_video_codecs.py` - **PASSED** 
+3. ⏳ Run app with logging and observe pattern
+4. ⏳ Apply video widget fixes if needed
+5. ⏳ Report findings for further diagnosis
+
+The enhanced logging will pinpoint exactly where and why files are being skipped!