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gemini-cli - 💡(How to fix) Fix [Bug] Audio/wav file handling causes API errors and context overestimation [1 pull requests]

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The current implementation of Gemini CLI has several critical issues when handling audio files:

  1. Incorrect Nesting: Audio files are nested in function_response.parts, which is not supported by the Gemini API (results in 400 Bad Request).
  2. Token Overestimation: Audio files default to string length for token counting, leading to context usage reports exceeding 600%.
  3. Compression Failure: Raw audio bytes are sent to the summarizer model, causing OOM or API errors.
  4. Configuration Ignored: The compressionThreshold setting is ignored during ContextManager initialization.

Root Cause

The current implementation of Gemini CLI has several critical issues when handling audio files:

  1. Incorrect Nesting: Audio files are nested in function_response.parts, which is not supported by the Gemini API (results in 400 Bad Request).
  2. Token Overestimation: Audio files default to string length for token counting, leading to context usage reports exceeding 600%.
  3. Compression Failure: Raw audio bytes are sent to the summarizer model, causing OOM or API errors.
  4. Configuration Ignored: The compressionThreshold setting is ignored during ContextManager initialization.

Fix Action

Fixed

RAW_BUFFERClick to expand / collapse

Description

The current implementation of Gemini CLI has several critical issues when handling audio files:

  1. Incorrect Nesting: Audio files are nested in function_response.parts, which is not supported by the Gemini API (results in 400 Bad Request).
  2. Token Overestimation: Audio files default to string length for token counting, leading to context usage reports exceeding 600%.
  3. Compression Failure: Raw audio bytes are sent to the summarizer model, causing OOM or API errors.
  4. Configuration Ignored: The compressionThreshold setting is ignored during ContextManager initialization.

Expected Behavior

  • Audio should be sent as sibling parts (supported for Gemini 3).
  • Realistic token heuristics should be used for audio.
  • Binary data should be stripped before summarization.
  • User settings should be respected.

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#api#dependency error#configuration error#environment variable#network issue

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gemini-cli - 💡(How to fix) Fix [Bug] Audio/wav file handling causes API errors and context overestimation [1 pull requests]