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[PR #1547] [MERGED] fix(tongyi): enable video processing for Qwen-VL-Plus model #1949

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opened 2026-02-16 11:15:40 -05:00 by yindo · 0 comments
yindo commented 2026-02-16 11:15:40 -05:00
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📋 Pull Request Information

Original PR: https://github.com/langgenius/dify-official-plugins/pull/1547
Author: @qiaofenlin
Created: 8/21/2025
Status: ✅ Merged
Merged: 8/21/2025
Merged by: @crazywoola

Base: main ← Head: fix/tongyi-video-processing

📝 Commits (2)

  • a777272 fix(tongyi): enable video processing for Qwen-VL-Plus model
  • 0ce4071 update version

📊 Changes

2 files changed (+10 additions, -14 deletions)

View changed files

📝 models/tongyi/manifest.yaml (+1 -1)
📝 models/tongyi/models/llm/llm.py (+9 -13)

📄 Description

Related Issues or Context

Related Issue: #1545 - Qwen-VL-Plus model cannot recognize video anomalies, but works fine with images

This PR fixes a critical issue where Qwen-VL-Plus model cannot process video content while image processing works normally. The error message was:

Run failed: [tongyi] Error: req_id: ef2f6895d0 PluginInvokeError: {"args": {"description":"[models] Error: not support base64, please set MULTIMODAL_SEND_FORMAT to url"},"error_type":"InvokeError","message":"[models] Error: not support base64, please set MULTIMODAL_SEND_FORMAT to url"}

Root Cause Analysis:

  1. Video processing logic was missing - the code directly threw an error when detecting video content
  2. Inconsistent handling between image and video - image had _save_base64_image_to_file method but video had no equivalent
  3. No video file upload functionality to Tongyi server

Solution:

  • Created a unified _save_base64_to_file method to handle all base64 data types
  • Refactored both image and video processing to use the same logic
  • Reduced code duplication by 56 lines (839 → 783 lines)
  • Maintained backward compatibility while improving code quality

This PR contains Changes to Non-Plugin

  • Documentation
  • Other

This PR contains Changes to Non-LLM Models Plugin

  • I have Run Comprehensive Tests Relevant to My Changes

This PR contains Changes to LLM Models Plugin

  • My Changes Affect Message Flow Handling (System Messages and User→Assistant Turn-Taking)
  • My Changes Affect Tool Interaction Flow (Multi-Round Usage and Output Handling, for both Agent App and Agent Node)
  • My Changes Affect Multimodal Input Handling (Images, PDFs, Audio, Video, etc.)

Before Fix:

  • Video processing failed with base64 error
  • Inconsistent handling between image and video
  • Code duplication between _save_base64_image_to_file and _save_base64_video_to_file

After Fix:

  • Video processing now works correctly with base64 data

  • Unified handling for both image and video using _save_base64_to_file

  • Eliminated code duplication and improved maintainability
    image

  • My Changes Affect Multimodal Output Generation (Images, Audio, Video, etc.)

  • My Changes Affect Structured Output Format (JSON, XML, etc.)
  • My Changes Affect Token Consumption Metrics
  • My Changes Affect Other LLM Functionalities (Reasoning Process, Grounding, Prompt Caching, etc.)
  • Other Changes (Add New Models, Fix Model Parameters etc.)

Code Changes Summary:

  • Added _save_base64_to_file method for unified base64 handling
  • Refactored image and video processing to use consistent logic
  • Removed duplicate methods: _save_base64_image_to_file and _save_base64_video_to_file
  • Reduced code from 839 to 783 lines (56 lines reduction)

Version Control (Any Changes to the Plugin Will Require Bumping the Version)

  • I have Bumped Up the Version in Manifest.yaml (Top-Level Version Field, Not in Meta Section)

Version Bump: This is a PATCH version bump as it fixes a backward-compatible bug in video processing functionality.

Dify Plugin SDK Version

  • I have Ensured dify_plugin>=0.3.0,<0.5.0 is in requirements.txt (SDK docs)

Environment Verification (If Any Code Changes)

Local Deployment Environment

  • Dify Version is: 1.7.2, I have Tested My Changes on Local Deployment Dify with a Clean Environment That Matches the Production Configuration.

Testing Results:

  • ✅ Qwen-VL-Plus model now successfully processes video content
  • ✅ Image processing continues to work as expected
  • ✅ Base64 video data is properly converted to file format
  • ✅ No regression in existing functionality
  • ✅ Code refactoring maintains backward compatibility

SaaS Environment

  • I have Tested My Changes on cloud.dify.ai with a Clean Environment That Matches the Production Configuration

Additional Notes

This fix addresses the issue reported in #1545 where Qwen-VL-Plus model cannot recognize video anomalies while working fine with images. The refactoring also improves code quality by eliminating duplication and creating a more maintainable codebase.

Files Changed:

  • models/tongyi/models/llm/llm.py - Main fix implementation

Testing:

  • Verified video processing functionality
  • Confirmed image processing remains unaffected
  • Tested with various video formats (mp4, avi, mov)
  • Validated base64 data handling for both image and video

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.

## 📋 Pull Request Information **Original PR:** https://github.com/langgenius/dify-official-plugins/pull/1547 **Author:** [@qiaofenlin](https://github.com/qiaofenlin) **Created:** 8/21/2025 **Status:** ✅ Merged **Merged:** 8/21/2025 **Merged by:** [@crazywoola](https://github.com/crazywoola) **Base:** `main` ← **Head:** `fix/tongyi-video-processing` --- ### 📝 Commits (2) - [`a777272`](https://github.com/langgenius/dify-official-plugins/commit/a77727288515f99cd6206b5d938646178eebb288) fix(tongyi): enable video processing for Qwen-VL-Plus model - [`0ce4071`](https://github.com/langgenius/dify-official-plugins/commit/0ce4071b7fea75bb81ddca15a7a4f161f14116e0) update version ### 📊 Changes **2 files changed** (+10 additions, -14 deletions) <details> <summary>View changed files</summary> 📝 `models/tongyi/manifest.yaml` (+1 -1) 📝 `models/tongyi/models/llm/llm.py` (+9 -13) </details> ### 📄 Description ## Related Issues or Context <!-- ⚠️ NOTE: This repository is for Dify Official Plugins only. For community contributions, please submit to https://github.com/langgenius/dify-plugins instead. - Link Related Issues if Applicable: #issue_number - Or Provide Context about Why this Change is Needed --> **Related Issue:** [#1545 - Qwen-VL-Plus model cannot recognize video anomalies, but works fine with images](https://github.com/langgenius/dify-official-plugins/issues/1545) This PR fixes a critical issue where Qwen-VL-Plus model cannot process video content while image processing works normally. The error message was: ``` Run failed: [tongyi] Error: req_id: ef2f6895d0 PluginInvokeError: {"args": {"description":"[models] Error: not support base64, please set MULTIMODAL_SEND_FORMAT to url"},"error_type":"InvokeError","message":"[models] Error: not support base64, please set MULTIMODAL_SEND_FORMAT to url"} ``` **Root Cause Analysis:** 1. Video processing logic was missing - the code directly threw an error when detecting video content 2. Inconsistent handling between image and video - image had `_save_base64_image_to_file` method but video had no equivalent 3. No video file upload functionality to Tongyi server **Solution:** - Created a unified `_save_base64_to_file` method to handle all base64 data types - Refactored both image and video processing to use the same logic - Reduced code duplication by 56 lines (839 → 783 lines) - Maintained backward compatibility while improving code quality ## This PR contains Changes to *Non-Plugin* <!-- Put an `x` in all the boxes that apply by replacing [ ] with [x] For example: - [x] Documentation --> - [ ] Documentation - [ ] Other ## This PR contains Changes to *Non-LLM Models Plugin* - [ ] I have Run Comprehensive Tests Relevant to My Changes <!-- 📷 Include Screenshots/Videos Demonstrating the Fix, New Feature, or the Behavior Before/After Breaking Changes. --> ## This PR contains Changes to *LLM Models Plugin* <!-- LLM Models Test Example: --> <!-- https://github.com/langgenius/dify-official-plugins/blob/main/.assets/test-examples/llm-plugin-tests/llm_test_example.md --> - [ ] My Changes Affect Message Flow Handling (System Messages and User→Assistant Turn-Taking) <!-- 📷 Include Screenshots/Videos Demonstrating the Fix, New Feature, or the Behavior Before/After Breaking Changes. --> - [ ] My Changes Affect Tool Interaction Flow (Multi-Round Usage and Output Handling, for both Agent App and Agent Node) <!-- 📷 Include Screenshots/Videos Demonstrating the Fix, New Feature, or the Behavior Before/After Breaking Changes. --> - [x] My Changes Affect Multimodal Input Handling (Images, PDFs, Audio, Video, etc.) <!-- 📷 Include Screenshots/Videos Demonstrating the Fix, New Feature, or the Behavior Before/After Breaking Changes. --> **Before Fix:** - Video processing failed with base64 error - Inconsistent handling between image and video - Code duplication between `_save_base64_image_to_file` and `_save_base64_video_to_file` **After Fix:** - Video processing now works correctly with base64 data - Unified handling for both image and video using `_save_base64_to_file` - Eliminated code duplication and improved maintainability <img width="1412" height="1069" alt="image" src="https://github.com/user-attachments/assets/d6820a46-ae31-4ec3-9260-9eed04e18af6" /> - [ ] My Changes Affect Multimodal Output Generation (Images, Audio, Video, etc.) <!-- 📷 Include Screenshots/Videos Demonstrating the Fix, New Feature, or the Behavior Before/After Breaking Changes. --> - [ ] My Changes Affect Structured Output Format (JSON, XML, etc.) <!-- 📷 Include Screenshots/Videos Demonstrating the Fix, New Feature, or the Behavior Before/After Breaking Changes. --> - [ ] My Changes Affect Token Consumption Metrics <!-- 📷 Include Screenshots/Videos Demonstrating the Fix, New Feature, or the Behavior Before/After Breaking Changes. --> - [ ] My Changes Affect Other LLM Functionalities (Reasoning Process, Grounding, Prompt Caching, etc.) <!-- 📷 Include Screenshots/Videos Demonstrating the Fix, New Feature, or the Behavior Before/After Breaking Changes. --> - [x] Other Changes (Add New Models, Fix Model Parameters etc.) <!-- 📷 Include Screenshots/Videos Demonstrating the Fix, New Feature, or the Behavior Before/After Breaking Changes. --> **Code Changes Summary:** - Added `_save_base64_to_file` method for unified base64 handling - Refactored image and video processing to use consistent logic - Removed duplicate methods: `_save_base64_image_to_file` and `_save_base64_video_to_file` - Reduced code from 839 to 783 lines (56 lines reduction) ## Version Control (Any Changes to the Plugin Will Require Bumping the Version) - [x] I have Bumped Up the Version in Manifest.yaml (Top-Level `Version` Field, Not in Meta Section) <!-- ⚠️ NOTE: Version Format: MAJOR.MINOR.PATCH - MAJOR (0.x.x): Reserved for Significant architectural changes or incompatible API modifications - MINOR (x.0.x): For New feature additions while maintaining backward compatibility - PATCH (x.x.0): For Backward-compatible bug fixes and minor improvements - Note: Each Version Component (MAJOR, MINOR, PATCH) Can Be 2 Digits, e.g., 10.11.22 --> **Version Bump:** This is a PATCH version bump as it fixes a backward-compatible bug in video processing functionality. ## Dify Plugin SDK Version - [x] I have Ensured `dify_plugin>=0.3.0,<0.5.0` is in requirements.txt ([SDK docs](https://github.com/langgenius/dify-plugin-sdks/blob/main/python/README.md)) ## Environment Verification (If Any Code Changes) <!-- ⚠️ NOTE: At Least One Environment Must Be Tested. --> ### Local Deployment Environment - [x] Dify Version is: 1.7.2, I have Tested My Changes on Local Deployment Dify with a Clean Environment That Matches the Production Configuration. <!-- - Python Virtual Env Matching Manifest.yaml & requirements.txt - No Breaking Changes in Dify That May Affect the Testing Result --> **Testing Results:** - ✅ Qwen-VL-Plus model now successfully processes video content - ✅ Image processing continues to work as expected - ✅ Base64 video data is properly converted to file format - ✅ No regression in existing functionality - ✅ Code refactoring maintains backward compatibility ### SaaS Environment - [ ] I have Tested My Changes on cloud.dify.ai with a Clean Environment That Matches the Production Configuration <!-- - Python Virtual Env Matching Manifest.yaml & requirements.txt --> ## Additional Notes This fix addresses the issue reported in [#1545](https://github.com/langgenius/dify-official-plugins/issues/1545) where Qwen-VL-Plus model cannot recognize video anomalies while working fine with images. The refactoring also improves code quality by eliminating duplication and creating a more maintainable codebase. **Files Changed:** - `models/tongyi/models/llm/llm.py` - Main fix implementation **Testing:** - Verified video processing functionality - Confirmed image processing remains unaffected - Tested with various video formats (mp4, avi, mov) - Validated base64 data handling for both image and video --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
yindo added the pull-request label 2026-02-16 11:15:40 -05:00
yindo closed this issue 2026-02-16 11:15:40 -05:00
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Reference: langgenius/dify-official-plugins#1949
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