Hi,
I am working on OMX core integration in 2.0 framework. I have used static
link before 2.0 release with exactly the same core and IL libs inside the
framework and they have been working correctly. Basically I have followed
the steps in integration guide documentation this time. I use google tool
chain to put all my prebuilt (not google tool chain) static OMX libs into a
single "libOmx.so". But I am stuck in a problem where my "libOmx.so" can be
dlopened in interface class but all OMX core methods can not be found by
dlsym.
Actually the weird thing is I find symbols for OMX core methods are not
located in my "libOmx.so" when I try to use "grep "OMX_Init" libOmx.so"...
But I can grep other symbols located in IL components like aac omx component
from "libOmx.so"... My guess is that the object file containing my core
methods is somehow dropped during static->dynamic lib conversion. Therefore
it can not be grepped...
The 1st one below is my Android.mk generating "libOmx.so". The 2nd one is to
push my prebuilt (not google tool chain) static libraries into $out
directory. OMX core methods, i.e. "OMX_xxx", are located in
lib_il_basecore.a. Could anybody help on this? Thanks!
-------------------------------------------------------------------------------------------------
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES := \
src/OmxComponentRegistry.cpp
LOCAL_CFLAGS := $(PV_CFLAGS)
LOCAL_CFLAGS += -g
LOCAL_ARM_MODE := arm
LOCAL_STATIC_LIBRARIES := \
lib_il_aacdec \
lib_il_mp3dec \
lib_il_h264dec \
lib_il_mpeg4aspdec \
lib_il_omxmem \
lib_il_basecore \
miscGen
LOCAL_LDLIBS += -lpthread -ldl
LOCAL_MODULE := libOmx
LOCAL_C_INCLUDES := \
$(PV_TOP)/extern_libs_v2/khronos/openmax/include \
$(PV_INCLUDES)
-include $(PV_TOP)/Android_platform_extras.mk
-include $(PV_TOP)/Android_system_extras.mk
include $(BUILD_SHARED_LIBRARY)
include $(PV_TOP)/codecs_v2/omx/omx_vendor/lib/Android.mk
------------------------------------------------------------------------------------------------------------
LOCAL_PATH := $(call my-dir)
$(call add-prebuilt-files, STATIC_LIBRARIES, lib_il_basecore.a)
$(call add-prebuilt-files, STATIC_LIBRARIES, miscGen.a)
$(call add-prebuilt-files, STATIC_LIBRARIES, lib_il_aacdec.a)
$(call add-prebuilt-files, STATIC_LIBRARIES, lib_il_mp3dec.a)
$(call add-prebuilt-files, STATIC_LIBRARIES, lib_il_h264dec.a)
$(call add-prebuilt-files, STATIC_LIBRARIES, lib_il_mpeg4aspdec.a)
$(call add-prebuilt-files, STATIC_LIBRARIES, lib_il_omxmem.a)
--------------------------------------------------------------------------------------------------------------
--
Thanks,
Andy
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