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universal7870: rework shims

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Astrako 2020-02-28 12:11:49 +01:00 • committed by Alejandro
parent 85e3e2ce1d
commit 1634a6f5ee
17 changed files with 410 additions and 151 deletions
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29
shims/libExynosOMX/Android.mk Normal file
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#
# 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 libcutils
LOCAL_MODULE := libExynosOMX_shim
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_CLASS := SHARED_LIBRARIES
LOCAL_PROPRIETARY_MODULE := true
include $(BUILD_SHARED_LIBRARY)

61
shims/libExynosOMX/Exynos_OMX_VdecControl.c Normal file
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/*
* 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 <cutils/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);
}