Fix ESP32 ROM miniz symbol collision; report FLAC OOM correctly - #179

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rtissera wants to merge 33 commits into

esp32p4-rom-miniz-collision

Commits on Sep 2, 2026

Fix format-type mismatch in HARD_DISK_METADATA_FORMAT snprintf

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4db080f
Fix ESP32 ROM miniz symbol collision capturing libchdr's decoder

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7e1e56c
Make CHDR_DEBUG_ZLIB diagnostics failure-only and stage-tagged

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a679db2
Report FLAC allocation failures as CHDERR_OUT_OF_MEMORY

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351ac80
Add ESP32-P4 real-hardware SD-card benchmark

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a208641
Benchmark: build with LOWRAM_TARGET=1, and document why

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6355d39
Reset the huffman subtable arena on every lookup-table rebuild

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6dedc21
Add a decoded-hunk cache for COMPRESSION_SELF back-references

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b172184
Add CHDR_PROFILE_CDFL: per-stage timing for the CD-FLAC codec

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cdcdc90
Benchmark: bottleneck attribution, FATFS fast seek, granularity sweep

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9301cd9
Benchmark README: correct the FLAC attribution and the RAM story

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268cbdb
Benchmark: fix build with BENCH_PROGRESS_EVERY enabled

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e3f7202
Add a caller-budgeted compressed read-ahead window

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d981a9e
Drop miniz's 32KB LZ dictionary from every zlib codec instance

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fe35784
cdzs: share one zstd context between sector data and subcode under LOWRAM

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1e56b3d
Benchmark: raw-IO probes that locate the throughput ceiling

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21a4a55
Benchmark: FatFs-backed core_file, 1.36x throughput for no libchdr change

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b2a9899
README: document the 8.4x storage-stack loss and the read-ahead result

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2ab905a

Commits on Sep 3, 2026

Benchmark: build a cluster link map in the FatFs backend

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070341a
README: final uncapped numbers, and read-ahead's verdict depends on the backend

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0bcf624
Speed up CD sector ECC regeneration by 1.60x

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86a4404
Benchmark: add an integer multiply latency probe

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b704242
Update dr_flac to v0.13.4

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0765eec
Benchmark: time the ESP-IDF allocator alongside the multiply probe

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e8bcaec
Benchmark: compare five ECC inner-loop variants on real hardware

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c66b52a
Compute CD sector P parity four rows at a time

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f1a0600
Fold four bytes per iteration in the hunk CRC

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d0ff583
Document the ESP32-P4 CPU findings

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45661a7
Avoid signed overflow reading a big-endian uint32

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149dc57
Skip dr_flac's per-frame CRC when the hunk CRC already covers it

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222f468
Reject out-of-range map bit widths instead of shifting by them

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56273ca
Do not shift by 32 when refilling an over-consumed bitstream

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598424f
Document the full-corpus result and the fuzzing findings

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68aab45