1KeyTranscoder v0.3.0-beta

1KeyTranscoder v0.3.0-beta

First beta release of the integrated 1KeyTranscoder pipeline.

Changes

• 1keytransc.py is now the single main entry point.
• Integrated GPAC-based container reconstruction.
• Integrated Sony metadata preservation.
• Preserves Sony RTMD timed metadata tracks.
• Preserves Sony NRTM metadata and Lens Profile when present.
• Preserves NonRealTimeMeta XML.
• Preserves Sony PROF, USMT, and other vendor-specific UUID structures.
• Preserves Sony metadata track relationships such as tref/cdsc.
• Uses GPAC-native timeline reconstruction in the normal pipeline.
• Added source-aware x265 pixel-format handling.
• Audio is preserved by stream copy.
• Original basenames are retained.
• Output extension is standardized to .MP4.
• Gyroflow validation passed on Sony A7M5 and A7M4 real-world test outputs.

Validated Sources

Sony A7M5

• 4K 59.94p
• 10-bit 4:2:0 HEVC
• Sony RTMD metadata
• Lens / stabilization metadata
• 4-track mono PCM audio

Sony A7M4

• 4K 29.97p
• 10-bit 4:2:2 H.264 source
• HEVC Rext output
• Sony RTMD metadata
• Sony vendor UUID structures

Current Scope

This beta primarily targets Sony camera footage and the current x265 workflow.

DJI Action 4 support and NVENC integration are planned next.

Known Limitations

• Sony Catalyst compatibility has not been independently validated.
• Audio is currently copy-only.
• Unsupported audio/container combinations fail explicitly instead of being automatically re-encoded.
• DJI metadata preservation is not yet implemented.
• Additional camera-specific metadata backends are not yet implemented.