universal7580: libshims: add OMX shim

Change-Id: I103aa42a8384da0cbd8ee2cfa8af2c543479b3fa

diff --git a/configs/init/android.hardware.media.omx@1.0-service.rc b/configs/init/android.hardware.media.omx@1.0-service.rc
new file mode 100644 (file)
index 0000000..2f2d31c
--- /dev/null
+++ b/configs/init/android.hardware.media.omx@1.0-service.rc
@@ -0,0 +1,7 @@
+service mediacodec /vendor/bin/hw/android.hardware.media.omx@1.0-service
+    class main
+    user mediacodec
+    group camera drmrpc mediadrm
+    ioprio rt 4
+    writepid /dev/cpuset/foreground/tasks
+    setenv LD_PRELOAD "/vendor/lib/libExynosOMX_shim.so"

diff --git a/device-common.mk b/device-common.mk
index 9b45b7d6045f84ebe4eeda0ef8c3fdcad80a3613..5492cab62f66a7a68ddffac27fed2dee36111b2f 100644 (file)
--- a/device-common.mk
+++ b/device-common.mk
@@ -116,6 +116,10 @@ PRODUCT_PACKAGES += \
     android.hardware.wifi@1.0 \
     android.hardware.wifi@1.0-impl
 
+# Overriden service definition
+PRODUCT_COPY_FILES += \
+    $(LOCAL_PATH)/configs/init/android.hardware.media.omx@1.0-service.rc:$(TARGET_COPY_OUT_VENDOR)/etc/init/android.hardware.media.omx@1.0-service.rc
+
 # Properties
 -include $(LOCAL_PATH)/system_prop.mk
 

diff --git a/libshims/libExynosOMX/Android.mk b/libshims/libExynosOMX/Android.mk
new file mode 100644 (file)
index 0000000..ad33af9
--- /dev/null
+++ b/libshims/libExynosOMX/Android.mk
@@ -0,0 +1,29 @@
+#
+# Copyright (C) 2018 The LineageOS Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := Exynos_OMX_VdecControl.c
+
+LOCAL_SHARED_LIBRARIES := liblog
+
+LOCAL_MODULE := libExynosOMX_shim
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE_CLASS := SHARED_LIBRARIES
+LOCAL_PROPRIETARY_MODULE := true
+
+include $(BUILD_SHARED_LIBRARY)

diff --git a/libshims/libExynosOMX/Exynos_OMX_VdecControl.c b/libshims/libExynosOMX/Exynos_OMX_VdecControl.c
new file mode 100644 (file)
index 0000000..68b1739
--- /dev/null
+++ b/libshims/libExynosOMX/Exynos_OMX_VdecControl.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2017 TeamNexus
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "libExynosOMX_shim"
+
+#include <string.h>
+#include <dlfcn.h>
+#include <utils/Log.h>
+
+int Exynos_OSAL_Strcmp(const char *s1, const char *s2)
+{
+       void *ptr;
+       int ret;
+       Dl_info info;
+
+       /* get address of parent function */
+       ptr = __builtin_return_address(0);
+
+       /* skip index-check if we couldn't get return-address */
+       if (!ptr) {
+               ALOGE("%s: failed to retrieve return address", __func__);
+               goto exit;
+       }
+
+       /* get infos about parent function */
+       ret = dladdr(ptr, &info);
+
+       /* skip index-check if we couldn't get infos about parent function */
+       if (!ret) {
+               ALOGE("%s: failed to retrieve informations about parent function", __func__);
+               goto exit;
+       }
+       
+       /* check if the parent function is Exynos_OMX_VideoDecodeGetExtensionIndex() */
+       if (strcmp(info.dli_sname, "Exynos_OMX_VideoDecodeGetExtensionIndex")) {
+               /* no log here... */
+               goto exit;
+       }
+
+       /* prevent check for storeMetaDataInBuffers-support to succeed */
+       if (!strcmp(s1, "OMX.google.android.index.storeMetaDataInBuffers")) {
+               ALOGI("%s: failing check for storeMetaDataInBuffers-support", __func__);
+               return -1;
+       }
+
+exit:
+       return strcmp(s1, s2);
+}