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mjpegZero v0.1.0 — initial public release #2

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mjpegZero v0.1.0 — initial public release

mjpegZero v0.1.0 — initial public release #2

Workflow file for this run

.github/workflows/ci.yml at cfaf15a
# SPDX-License-Identifier: MIT
# Commons Clause v1.0 applies — commercial use requires written permission. Contact: hello@bard0.com
# Copyright (c) 2026 Leonardo Capossio — bard0 design
#
name: CI
on:
push:
branches: [main, master]
pull_request:
branches: [main, master]
jobs:
# ---------------------------------------------------------------------------
# Python verification tests (no Vivado needed)
# ---------------------------------------------------------------------------
verify:
name: Python verification (${{ matrix.python-version }})
runs-on: ubuntu-latest
strategy:
matrix:
python-version: ["3.9", "3.12"]
steps:
- uses: actions/checkout@v4
- name: Set up Python ${{ matrix.python-version }}
uses: actions/setup-python@v5
with:
python-version: ${{ matrix.python-version }}
- name: Install dependencies
run: |
sudo apt-get install -y --no-install-recommends ffmpeg
pip install numpy scipy Pillow
- name: Verify Huffman ROM tables
run: python python/verify_huffman_rom.py
- name: Verify LITE_QUALITY tables
run: python python/verify_lite_quality.py
- name: Python reference encoder test (PSNR check)
run: python python/test_encoder.py
- name: Visual quality comparison (mandrill encode/decode, Q=50/75/95)
continue-on-error: true
run: |
python python/mandrill_compare.py --quality 50 --out mandrill_compare_Q50.png
python python/mandrill_compare.py --quality 75 --out mandrill_compare_Q75.png
python python/mandrill_compare.py --quality 95 --out mandrill_compare_Q95.png
- name: Upload quality comparison images
if: always()
uses: actions/upload-artifact@v4
with:
name: mandrill-comparison-py${{ matrix.python-version }}
path: mandrill_compare_Q*.png
# ---------------------------------------------------------------------------
# RTL lint — Verilator (no Vivado needed, available on ubuntu-latest)
# ---------------------------------------------------------------------------
rtl-lint:
name: RTL lint (Verilator)
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Install Verilator
run: sudo apt-get install -y --no-install-recommends verilator
- name: Lint core RTL modules
run: |
set -e
for f in \
rtl/dct_1d.v \
rtl/zigzag_reorder.v \
rtl/bitstream_packer.v \
rtl/axi4_lite_regs.v \
rtl/rgb_to_ycbcr.v; do
echo "--- lint: $f"
verilator --lint-only -Wall --bbox-unsup "$f"
done
echo "--- lint: rtl/dct_2d.v (with dct_1d)"
verilator --lint-only -Wall --bbox-unsup rtl/dct_1d.v rtl/dct_2d.v
echo "--- lint: rtl/input_buffer.v (with bram_sdp)"
verilator --lint-only -Wall --bbox-unsup rtl/vendor/sim/bram_sdp.v rtl/input_buffer.v
- name: Lint quantizer (LITE_MODE=0)
run: verilator --lint-only -Wall --bbox-unsup -DLITE_MODE=0 rtl/quantizer.v
- name: Lint quantizer (LITE_MODE=1)
run: verilator --lint-only -Wall --bbox-unsup -DLITE_MODE=1 rtl/quantizer.v
- name: Lint huffman_encoder
run: verilator --lint-only -Wall --bbox-unsup rtl/huffman_encoder.v
- name: Lint jfif_writer
run: verilator --lint-only -Wall --bbox-unsup rtl/jfif_writer.v
- name: Lint top-level (LITE_MODE=0)
run: |
verilator --lint-only -Wall --bbox-unsup -DLITE_MODE=0 \
rtl/vendor/sim/bram_sdp.v \
rtl/dct_1d.v \
rtl/dct_2d.v \
rtl/input_buffer.v \
rtl/quantizer.v \
rtl/zigzag_reorder.v \
rtl/huffman_encoder.v \
rtl/bitstream_packer.v \
rtl/jfif_writer.v \
rtl/axi4_lite_regs.v \
rtl/mjpegzero_enc_top.v
- name: Lint top-level (LITE_MODE=1)
run: |
verilator --lint-only -Wall --bbox-unsup -DLITE_MODE=1 \
rtl/vendor/sim/bram_sdp.v \
rtl/dct_1d.v \
rtl/dct_2d.v \
rtl/input_buffer.v \
rtl/quantizer.v \
rtl/zigzag_reorder.v \
rtl/huffman_encoder.v \
rtl/bitstream_packer.v \
rtl/jfif_writer.v \
rtl/axi4_lite_regs.v \
rtl/mjpegzero_enc_top.v
# ---------------------------------------------------------------------------
# RTL simulation — iverilog + golden coefficient comparison
# ---------------------------------------------------------------------------
rtl-sim:
name: RTL simulation (iverilog)
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Set up Python 3.12
uses: actions/setup-python@v5
with:
python-version: "3.12"
- name: Install dependencies
run: |
sudo apt-get install -y --no-install-recommends iverilog ffmpeg
pip install numpy Pillow
- name: Generate test image (download mandrill or synthetic fallback)
run: python python/test_encoder.py
- name: RTL simulation + golden verification (full mode, Q=50/75/95)
run: python python/verify_rtl_sim.py
- name: RTL simulation + golden verification (lite mode, Q=50/75/95)
run: python python/verify_rtl_sim.py --lite
- name: Upload simulation artifacts
if: always()
uses: actions/upload-artifact@v4
with:
name: rtl-sim-output
path: build/sim_iverilog/sim_output_*.jpg
if-no-files-found: ignore
# ---------------------------------------------------------------------------
# FuseSoC — core descriptor validation + lint via FuseSoC/Verilator
# ---------------------------------------------------------------------------
fusesoc:
name: FuseSoC (core validation + lint)
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Set up Python 3.12
uses: actions/setup-python@v5
with:
python-version: "3.12"
- name: Install FuseSoC and Verilator
run: |
pip install fusesoc
sudo apt-get install -y --no-install-recommends verilator make
- name: Register core library
run: fusesoc library add mjpegzero .
- name: Validate core descriptor (core-info)
run: fusesoc core-info bard0-design:mjpegzero:mjpegzero_enc
- name: Lint via FuseSoC (Verilator, LITE_MODE=1 default)
run: fusesoc run --target lint bard0-design:mjpegzero:mjpegzero_enc
- name: Lint via FuseSoC (Verilator, LITE_MODE=0)
run: fusesoc run --target lint bard0-design:mjpegzero:mjpegzero_enc --LITE_MODE 0