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docs: update checklist with performance optimizations

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katR 2026-10-05 07:24:14 +05:30
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TODO_CHECKLIST.md
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@ -156,12 +156,15 @@ This checklist tracks known bugs, UI refinements, optimizations, and technical d
- **Issue**: Obsolete exploratory files in `scythe/scratch/` (`test_shm.rs`, `test_x11_shm.rs`) and ad-hoc python scripts in the project root (`test_ipc.py`, `test_record.py`, `test_reload.py`, `test_stop.py`, `send_ipc.py`) cluttered the workspace. - **Issue**: Obsolete exploratory files in `scythe/scratch/` (`test_shm.rs`, `test_x11_shm.rs`) and ad-hoc python scripts in the project root (`test_ipc.py`, `test_record.py`, `test_reload.py`, `test_stop.py`, `send_ipc.py`) cluttered the workspace.
- **Resolution**: Removed `scratch/` directory and relocated testing utilities into [tests/manual_ipc/](file:///home/oiupoyt/my%20stuff%20yea/projects/scythe/tests/manual_ipc). - **Resolution**: Removed `scratch/` directory and relocated testing utilities into [tests/manual_ipc/](file:///home/oiupoyt/my%20stuff%20yea/projects/scythe/tests/manual_ipc).
- [ ] **Direct DMA-BUF Import for AMD/Intel VAAPI Zero-Copy**: - [x] **Dynamic PipeWire DRM Format Negotiation (Zero-Copy Pipeline)**:
- **Issue**: While `AVDRMFrameDescriptor` mapping is implemented in [src/encoder.rs](file:///home/oiupoyt/my%20stuff%20yea/projects/scythe/src/encoder.rs), certain driver configurations fallback to cached `mmap` + `sws_scale`. - **Issue**: In [src/capture/wayland_stream.rs](file:///home/oiupoyt/my%20stuff%20yea/projects/scythe/src/capture/wayland_stream.rs), the DRM format code was hardcoded to `0x34325241` (`DRM_FORMAT_ARGB8888`), causing driver mismatches when compositors negotiated `XRGB8888`, `XBGR8888`, or `NV12`.
- **Proposed Enhancement**: Benchmark and expand DRM modifier negotiation in `WaylandStream` to maximize direct hardware surface import without host CPU touches. - **Resolution**: Dynamically mapped `user_data.format.format()` to its matching DRM fourcc (`DRM_FORMAT_XRGB8888`, `DRM_FORMAT_XBGR8888`, `DRM_FORMAT_NV12`). When `NV12` buffers arrive, they are passed directly into VAAPI without CPU color conversion.
- [ ] **Audio Resampling Fast Path for 48,000 Hz Sources**: - [x] **Audio Resampling Fast Path for 48,000 Hz Sources**:
- **Status**: Already implemented in `convert_to_stereo_48k` via early return passthrough, avoiding interpolation when input matches 48 kHz. - **Status**: Implemented in `convert_to_stereo_48k` via early return passthrough, avoiding interpolation when input matches 48 kHz.
- [x] **Windows Desktop Duplication Buffer Pool Recycling**:
- **Status**: Implemented in [src/capture/windows.rs](file:///home/oiupoyt/my%20stuff%20yea/projects/scythe/src/capture/windows.rs) with 8-slot reusable buffer pool, eliminating heap allocations in the 60 FPS capture loop.
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