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Speed up JPEG decoding on ESP32-P4 and ESP32-S31 - #11634

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mikeysklar wants to merge 12 commits into

adafruit:mainfrom

mikeysklar:jpegio-hw-decode

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Speed up JPEG decoding on ESP32-P4 and ESP32-S31#11634
mikeysklar wants to merge 12 commits into
adafruit:mainfrom
mikeysklar:jpegio-hw-decode

Commits on Oct 19, 2026
- jpegio: decode JPEGs with the JPEG engine on ESP32-P4 and ESP32-S31
  
  mikeysklar
  and
  claude
  committed
  4b065a0
- Update esp-idf for JPEG engine color range and S31 ROM fix
  
  mikeysklar
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  claude
  committed
  3994305
- espressif: align GC blocks to the cache line on P4 and S31
  
  mikeysklar
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  claude
  committed
  5846a7c
- jpegio: free the JPEG engine from a finaliser
  
  mikeysklar
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  claude
  committed
  d69ef5f
- jpegio: add JpegDecoder.used_hardware
  
  mikeysklar
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  claude
  committed
  e381071
Commits on Oct 20, 2026
- espressif: set the GC block size in the P4 and S31 sections
  
  mikeysklar
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  claude
  committed
  e5a1af2
- jpegio: remove JpegDecoder.used_hardware
  
  mikeysklar
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  claude
  committed
  cb1d88f
- jpegio: rename the hardware hooks to hw_decode and hw_deinit
  
  mikeysklar
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  claude
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  5dfb972
- jpegio: create the JPEG engine in hw_init, called from construct
  
  mikeysklar
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  claude
  committed
  c4cc0b4
- jpegio: add software_ok to JpegDecoder
  
  mikeysklar
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  11c912e
- jpegio: test software_ok=False in hw_decode.py
  
  mikeysklar
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  claude
  committed
  d7bab2e
Commits on Oct 21, 2026
- espressif: update esp-idf to circuitpython-v6.1 tip
  
  mikeysklar
  and
  claude
  committed
  d7581f9