Add 16 KB page support for decoder extensions on Android 15

We need to rebuild any native components of the app to prevent crashes on devices with 16 KB page support.

Tested on a device that supports 16 KB pages and runs Android 15, as well as on older Android devices.

Issue: #1685
PiperOrigin-RevId: 684488244

Author: rohitjoins

RELEASENOTES.md

@@ -145,6 +145,8 @@
     *   Fix user info removal for URLs that contain encoded @ characters
         ([#1138](https://github.com/androidx/media/pull/1138)).
 *   Decoder Extensions (FFmpeg, VP9, AV1, etc.):
+    *   Add 16 KB page support for decoder extensions on Android 15
+        ([#1685](https://github.com/androidx/media/issues/1685)).
 *   MIDI extension:
 *   Leanback extension:
 *   Cast Extension:

libraries/decoder_av1/build.gradle

@@ -27,6 +27,14 @@ android {
             }
         }
     }
+
+    // TODO(Internal: b/372449691): Remove packagingOptions once AGP is updated
+    // to version 8.5.1 or higher.
+    packagingOptions {
+        jniLibs {
+            useLegacyPackaging true
+        }
+    }
 }
 
 // Configure the native build only if libgav1 is present to avoid gradle sync

libraries/decoder_av1/src/main/jni/CMakeLists.txt

@@ -61,3 +61,7 @@ target_link_libraries(gav1JNI
                       PRIVATE libgav1_static
                       PRIVATE ${android_log_lib})
 
+# Enable 16 KB ELF alignment.
+target_link_options(gav1JNI
+                    PRIVATE "-Wl,-z,max-page-size=16384")
+

libraries/decoder_ffmpeg/build.gradle

@@ -13,7 +13,17 @@
 // limitations under the License.
 apply from: "$gradle.ext.androidxMediaSettingsDir/common_library_config.gradle"
 
-android.namespace = 'androidx.media3.decoder.ffmpeg'
+android {
+    namespace 'androidx.media3.decoder.ffmpeg'
+
+    // TODO(Internal: b/372449691): Remove packagingOptions once AGP is updated
+    // to version 8.5.1 or higher.
+    packagingOptions {
+        jniLibs {
+            useLegacyPackaging true
+        }
+    }
+}
 
 // Configure the native build only if ffmpeg is present to avoid gradle sync
 // failures if ffmpeg hasn't been built according to the README instructions.

libraries/decoder_ffmpeg/src/main/jni/CMakeLists.txt

@@ -56,3 +56,7 @@ target_link_libraries(ffmpegJNI
 if(ANDROID_ABI STREQUAL "arm64-v8a")
     target_link_options(ffmpegJNI PRIVATE "-Wl,-Bsymbolic")
 endif()
+
+# Enable 16 KB ELF alignment.
+target_link_options(ffmpegJNI
+                    PRIVATE "-Wl,-z,max-page-size=16384")

libraries/decoder_flac/build.gradle

@@ -23,6 +23,14 @@ android {
         }
         androidTest.assets.srcDir '../test_data/src/test/assets'
     }
+
+    // TODO(Internal: b/372449691): Remove packagingOptions once AGP is updated
+    // to version 8.5.1 or higher.
+    packagingOptions {
+        jniLibs {
+            useLegacyPackaging true
+        }
+    }
 }
 
 dependencies {

libraries/decoder_flac/src/main/jni/Android.mk

@@ -35,4 +35,6 @@ LOCAL_CFLAGS += -D_REENTRANT -DPIC -DU_COMMON_IMPLEMENTATION -fPIC -DHAVE_SYS_PA
 LOCAL_CFLAGS += -O3 -funroll-loops -finline-functions -DFLAC__NO_ASM '-DFLAC__HAS_OGG=0'
 
 LOCAL_LDLIBS := -llog -lz -lm
+# Enable 16 KB ELF alignment.
+LOCAL_LDFLAGS += "-Wl,-z,max-page-size=16384"
 include $(BUILD_SHARED_LIBRARY)

libraries/decoder_iamf/build.gradle

@@ -27,6 +27,14 @@ android {
             }
         }
     }
+
+    // TODO(Internal: b/372449691): Remove packagingOptions once AGP is updated
+    // to version 8.5.1 or higher.
+    packagingOptions {
+        jniLibs {
+            useLegacyPackaging true
+        }
+    }
 }
 
 // Configure the native build only if libiamf is present to avoid gradle sync

libraries/decoder_iamf/src/main/jni/CMakeLists.txt

@@ -44,3 +44,7 @@ target_link_libraries(iamfJNI
                       PRIVATE android
                       PRIVATE iamf
                       PRIVATE ${android_log_lib})
+
+# Enable 16 KB ELF alignment.
+target_link_options(iamfJNI
+                    PRIVATE "-Wl,-z,max-page-size=16384")

libraries/decoder_opus/build.gradle

@@ -23,6 +23,14 @@ android {
         }
         androidTest.assets.srcDir '../test_data/src/test/assets'
     }
+
+    // TODO(Internal: b/372449691): Remove packagingOptions once AGP is updated
+    // to version 8.5.1 or higher.
+    packagingOptions {
+        jniLibs {
+            useLegacyPackaging true
+        }
+    }
 }
 
 dependencies {

libraries/decoder_opus/src/main/jni/Android.mk

@@ -30,4 +30,6 @@ LOCAL_CPP_EXTENSION := .cc
 LOCAL_SRC_FILES := opus_jni.cc
 LOCAL_LDLIBS := -llog -lz -lm
 LOCAL_STATIC_LIBRARIES := libopus
+# Enable 16 KB ELF alignment.
+LOCAL_LDFLAGS += "-Wl,-z,max-page-size=16384"
 include $(BUILD_SHARED_LIBRARY)

libraries/decoder_vp9/build.gradle

@@ -23,6 +23,14 @@ android {
         }
         androidTest.assets.srcDir '../test_data/src/test/assets'
     }
+
+    // TODO(Internal: b/372449691): Remove packagingOptions once AGP is updated
+    // to version 8.5.1 or higher.
+    packagingOptions {
+        jniLibs {
+            useLegacyPackaging true
+        }
+    }
 }
 
 dependencies {

libraries/decoder_vp9/src/main/jni/Android.mk

@@ -32,6 +32,8 @@ LOCAL_SRC_FILES := vpx_jni.cc
 LOCAL_LDLIBS := -llog -lz -lm -landroid
 LOCAL_SHARED_LIBRARIES := libvpx
 LOCAL_STATIC_LIBRARIES := cpufeatures
+# Enable 16 KB ELF alignment.
+LOCAL_LDFLAGS += "-Wl,-z,max-page-size=16384"
 include $(BUILD_SHARED_LIBRARY)
 
 $(call import-module,android/cpufeatures)