Currently you cannot rely on repo or git to build Android. Period. susanner wrote: > So, currently, I can not rely on repo or git to build alsa , right? if > it's ok, would you please let me know ? Actually I am porting > mediaplayer but there is no sound . > > 在2009-03-23，"Sean McNeil" <[email protected]> 写道： > > > >There is absolutely no point in using ALSA with the current repo. I have > >the changes required, but it will break builds that actually work. If > >you used my changes, then you'll just end up with openCORE issues after > >that. So, I will submit them once the repo is again made whole. > > > >susanner wrote: > >> here is how I ported alsa and there is still mistakes > >> 1:git alsa_sound > >> $git clone git://android.git.kernel.org/platform/hardware/alsa_sound.git > >> 2:mv alsa_sound libaudio-alsa > >> 3: I copied the file AudioHardware* from > >> framework/base/libs/audioflinger to hardware/libaudio-alsa > >> 4: revise Android.mk under folder libaudio-alsa > >> ============================= > >> ifeq ($(strip $(BOARD_USES_ALSA_AUDIO)),true) > >> > >> LOCAL_PATH := $(call my-dir) > >> > >> include $(CLEAR_VARS) > >> > >> LOCAL_ARM_MODE := arm > >> LOCAL_CFLAGS = -fno-short-enums > >> # LOCAL_WHOLE_STATIC_LIBRARIES := libasound > >> LOCAL_C_INCLUDES += external/alsa-lib/include > >> LOCAL_SRC_FILES := \ > >> AudioHardwareInterface.cpp \ > >> AudioHardwareStub.cpp \ > >> AudioHardwareALSA.cpp > >> > >> LOCAL_MODULE := libaudio > >> > >> LOCAL_SHARED_LIBRARIES := \ > >> libcutils \ > >> libutils \ > >> libmedia \ > >> libhardware_legacy \ > >> libdl \ > >> libc \ > >> libasound > >> > >> include $(BUILD_SHARED_LIBRARY) > >> > >> endif > >> ========================= > >> 5.revise build/target/board/generic/BoardConfig.mk > >> > >> BOARD_USES_ALSA_AUDIO := true > >> #BOARD_USES_GENERIC_AUDIO := true > >> 6. cd /opt/mydroid/build/core > >> $ vim prelink-linux-arm.map > >> add libasound.so 0xA9200000 > >> > >> and the make error: > >> target arm C++: libaudio <= hardware/libaudio-alsa/AudioHardwareALSA.cpp > >> target SharedLib: libaudio > >> (out/target/product/generic/obj/SHARED_LIBRARIES/libaudio_intermediates/LINKED/libaudio.so) > >> out/target/product/generic/obj/SHARED_LIBRARIES/libaudio_intermediates/AudioHardwareInterface.o： > >> > >> 在函数‘android::AudioHardwareInterface::create()’中： > >> hardware/libaudio-alsa/AudioHardwareInterface.cpp:102：对‘android:: > >> AudioHardwareGeneric::AudioHardwareGeneric()’未定义的引用 > >> collect2: ld returned 1 exit status > >> make: *** > >> [out/target/product/generic/obj/SHARED_LIBRARIES/libaudio_intermediates/LINKED/libaudio.so] > >> > >> 错误 1 > >> > >> > >> > >> ------------------------------------------------------------------------ > >> 网易邮箱，中国第一大电子邮件服务商 <http://www.yeah.net> > >> > > > > > > >> > > > > ------------------------------------------------------------------------ > 网易邮箱，中国第一大电子邮件服务商 <http://www.yeah.net> > >
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