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Draft: generate semantic code for libavformat #116

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Draft: generate semantic code for libavformat #116

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2cc1776
spectool: add code to generate the libavformat demuxer semantic
robUx4 Nov 6, 2022
91a1285
github CI: verify the generated libaformat code matches the specs
robUx4 Nov 6, 2022
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46 changes: 46 additions & 0 deletions .github/workflows/libavformat-semantic.yaml
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Original file line number Diff line number Diff line change
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name: "libavformat Semantic"
on:
push:
branches: [ master ]
pull_request:
# branches: [ master ]
schedule:
- cron: '44 16 * * 6'

jobs:
xlst_generators:
name: Generate code from EBML Schema
runs-on: ubuntu-latest
steps:
- name: Get pushed code
uses: actions/checkout@v3

- name: Get EBML Schema
run: curl -o ebml_matroska.xml https://raw.githubusercontent.com/ietf-wg-cellar/matroska-specification/master/ebml_matroska.xml

- name: Setup test tools
# we need the apt update because old packages won't load
run: |
sudo apt update
sudo apt install xsltproc

- name: Generate code
run: |
xsltproc -o _build/matroska_ids.h spectool/schema_2_lavf_h.xsl ebml_matroska.xml
xsltproc -o _build/matroskasem.c spectool/schema_2_lavf_sem_c.xsl ebml_matroska.xml

- name: Get current libavformat code
run: |
curl -o matroskasem.c https://git.ffmpeg.org/gitweb/ffmpeg.git/blob_plain/HEAD:/libavformat/matroskadec.c
curl -o matroska_ids.h https://git.ffmpeg.org/gitweb/ffmpeg.git/blob_plain/HEAD:/libavformat/matroska_ids.h

- name: Generate libavformat artifacts
uses: actions/upload-artifact@v3
with:
name: libavformat-semantic
path: _build

- name: Verify libavformat semantic
run: |
diff -pur _build/matroska_ids.h matroska_ids.h || exit 1
diff -pur _build/matroskasem.c matroskasem.c || exit 1
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