ffmpeg, python3: include binary

Author: T-Dynamos

pythonforandroid/recipes/android/src/android/_android.pyx

@@ -280,6 +280,43 @@ class AndroidBrowser(object):
 import webbrowser
 webbrowser.register('android', AndroidBrowser)
 
+# Native android executable support
+# Ref:
+# https://github.com/agnostic-apollo/Android-Docs/blob/master/site/pages/en/projects/docs/apps/processes/app-data-file-execute-restrictions.md#apk-native-library
+
+import os
+import sys
+from os.path import join, isdir, islink, isfile
+
+_EXECUTABLES = {
+    'python': 'libpythonbin.so',
+    'python3': 'libpythonbin.so',
+    'ffmpeg': 'libffmpegbin.so',
+}
+
+app_info = mActivity.getApplicationInfo()
+native_lib_dir = app_info.nativeLibraryDir
+files_dir = mActivity.getFilesDir().getAbsolutePath()
+bin_dir = join(files_dir, 'app', '.bin')
+
+if not isdir(bin_dir):
+    os.makedirs(bin_dir)
+
+for exe, exe_lib in _EXECUTABLES.items():
+    _exe = join(bin_dir, exe)
+    _exe_lib = join(native_lib_dir, exe_lib)
+    if isfile(_exe_lib) and not islink(_exe):
+        try:
+            os.symlink(_exe_lib, _exe)
+            print(f'Symlink executable: {exe_lib} -> {exe}')
+        except Exception as e:
+            print(f'Symlink failed for {exe_lib} -> {exe}')
+            print(e)
+
+os.environ['LD_LIBRARY_PATH'] = native_lib_dir
+os.environ['PATH'] = bin_dir
+os.environ['PYTHONPATH'] = ":".join(sys.path)
+sys.executable = join(bin_dir, 'python')
 
 def start_service(title="Background Service",
                   description="", arg="",

pythonforandroid/recipes/ffmpeg/__init__.py

@@ -1,15 +1,27 @@
 from pythonforandroid.toolchain import Recipe, current_directory, shprint
 from os.path import exists, join, realpath
 import sh
+from multiprocessing import cpu_count
 
 
 class FFMpegRecipe(Recipe):
     version = 'n6.1.2'
     # Moved to github.com instead of ffmpeg.org to improve download speed
     url = 'https://github.com/FFmpeg/FFmpeg/archive/{version}.zip'
-    depends = ['sdl2']  # Need this to build correct recipe order
+    depends = [('sdl2', 'sdl3')]  # Need this to build correct recipe order
     opts_depends = ['openssl', 'ffpyplayer_codecs', 'av_codecs']
     patches = ['patches/configure.patch']
+    _libs = [
+        "libavcodec.so",
+        "libavfilter.so",
+        "libavutil.so",
+        "libswscale.so",
+        "libavdevice.so",
+        "libavformat.so",
+        "libswresample.so",
+        "libffmpegbin.so",
+    ]
+    built_libraries = dict.fromkeys(_libs, "./lib")
 
     def should_build(self, arch):
         build_dir = self.get_build_dir(arch.arch)
@@ -98,9 +110,8 @@ def build_arch(self, arch):
                 '--disable-symver',
             ]
 
-            # disable binaries / doc
+            # disable doc
             flags += [
-                '--disable-programs',
                 '--disable-doc',
             ]
 
@@ -148,11 +159,9 @@ def build_arch(self, arch):
 
             configure = sh.Command('./configure')
             shprint(configure, *flags, _env=env)
-            shprint(sh.make, '-j4', _env=env)
+            shprint(sh.make, '-j', f"{cpu_count()}", _env=env)
             shprint(sh.make, 'install', _env=env)
-            # copy libs:
-            sh.cp('-a', sh.glob('./lib/lib*.so'),
-                  self.ctx.get_libs_dir(arch.arch))
+            shprint(sh.cp, "ffmpeg", "./lib/libffmpegbin.so")
 
 
 recipe = FFMpegRecipe()

pythonforandroid/recipes/python3/__init__.py

@@ -183,6 +183,8 @@ class Python3Recipe(TargetPythonRecipe):
     disable_gil = False
     '''python3.13 experimental free-threading build'''
 
+    built_libraries = {"libpythonbin.so" : "./android-build/"}
+
     def __init__(self, *args, **kwargs):
         self._ctx = None
         super().__init__(*args, **kwargs)
@@ -369,6 +371,9 @@ def build_arch(self, arch):
             # better way, although this is probably acceptable
             sh.cp('pyconfig.h', join(recipe_build_dir, 'Include'))
 
+            # rename executable
+            sh.cp('python', 'libpythonbin.so')
+
     def compile_python_files(self, dir):
         '''
         Compile the python files (recursively) for the python files inside