Release Vulpes OS 2.7-preview.24

tundra/tools/build-beatles-camera.py

@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: MPL-2.0
+"""Build the Nokia CameraService worker and its fixed-command broker."""
+import hashlib
+import json
+from pathlib import Path
+import subprocess
+
+ROOT = Path(__file__).resolve().parents[2]
+ENGINE = ROOT / 'tundra/out/beatles/gecko-156.0.1'
+BUILD = ENGINE / 'camera-broker-build'
+NDK = BUILD / 'android-ndk-r27d'
+HEADERS = BUILD / 'android-headers-api23/android-headers-23/23'
+AOSP = BUILD / 'aosp/include'
+LIBS = ENGINE / 'camera-probe-runtime'
+OUT = BUILD
+
+def digest(path):
+    return hashlib.sha256(path.read_bytes()).hexdigest()
+
+def build(name, source, command):
+    target = OUT / name
+    stamp = target.with_suffix('.build.json')
+    record = {'source': digest(source), 'command': command}
+    if target.is_file() and stamp.is_file():
+        try:
+            if json.loads(stamp.read_text()) == record:
+                print('Using cached camera tool:', name)
+                return target
+        except (OSError, ValueError):
+            pass
+    subprocess.run(command, check=True)
+    target.chmod(0o755)
+    stamp.write_text(json.dumps(record, sort_keys=True) + '\n')
+    return target
+
+def main():
+    required = [NDK / 'toolchains/llvm/prebuilt/linux-x86_64/bin/clang++',
+                NDK / 'toolchains/llvm/prebuilt/linux-x86_64/bin/clang',
+                HEADERS / 'linux/binder.h', AOSP / 'camera/Camera.h',
+                LIBS / 'libc++_shared.so', LIBS / 'beatles-camera-permission-bridge']
+    missing = [str(path) for path in required if not path.exists()]
+    if missing:
+        raise SystemExit('Private API-23 Camera1 build inputs missing:\n  ' + '\n  '.join(missing))
+    sysroot = NDK / 'toolchains/llvm/prebuilt/linux-x86_64/sysroot'
+    cxx = str(NDK / 'toolchains/llvm/prebuilt/linux-x86_64/bin/clang++')
+    cc = str(NDK / 'toolchains/llvm/prebuilt/linux-x86_64/bin/clang')
+    common = ['--target=armv7a-linux-androideabi23', '--sysroot=' + str(sysroot)]
+    worker_source = ROOT / 'tundra/probes/beatles-camera-worker.cpp'
+    worker_command = [cxx, *common, '-fno-rtti', '-I', str(HEADERS), '-I', str(AOSP),
+        str(worker_source), '-L', str(LIBS), '-Wl,-rpath,/data/local/tmp',
+        '-Wl,--allow-shlib-undefined', '-lcamera_client', '-lbinder', '-lgui',
+        '-lutils', '-lcutils', '-llog', '-lui', '-lhardware', '-lmedia',
+        '-lcamera_metadata', '-lsync', '-lbase', '-lc++_shared', '-o']
+    build('beatles-camera-worker', worker_source,
+          worker_command + [str(OUT / 'beatles-camera-worker')])
+    broker_source = ROOT / 'tundra/probes/beatles-camera-broker.c'
+    broker_command = [cc, *common, '-Wall', '-Wextra', '-Werror', str(broker_source), '-o']
+    build('beatles-camera-broker', broker_source,
+          broker_command + [str(OUT / 'beatles-camera-broker')])
+    print('Android Camera1 worker and broker are ready.')
+
+if __name__ == '__main__':
+    main()