Build Errors

[shakith]

Hi Kai,

This is a great initiative to test an android camera without using the android.hardware.Camera apis.
I am trying to build the the examples, but I get the following attached errors.

The application.mk file is.
APP_ABI := armeabi APP_PLATFORM := android-19

And the android.mk file is.
`LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE := v4l2test

LOCAL_MODULE_TAGS := optional

LOCAL_MODULE_PATH := $(TARGET_OUT)/bin

LOCAL_SRC_FILES :=
v4l2test.cpp
ffjpeg.cpp
camdev.cpp

LOCAL_SHARED_LIBRARIES :=
libutils
libcutils
libui
libgui
libandroid_runtime

#++ for ffmpeg library
LOCAL_CFLAGS +=
-D__STDC_CONSTANT_MACROS

LOCAL_C_INCLUDES +=
$(LOCAL_PATH)/ffmpeg/include

LOCAL_C_INCLUDES += /AOSP/frameworks/native/include/
LOCAL_C_INCLUDES += /AOSP/system/core/include/
LOCAL_C_INCLUDES += /AOSP/hardware/libhardware/include

LOCAL_LDFLAGS += -ldl
$(LOCAL_PATH)/ffmpeg/lib/libavformat.a
$(LOCAL_PATH)/ffmpeg/lib/libavcodec.a
$(LOCAL_PATH)/ffmpeg/lib/libswresample.a
$(LOCAL_PATH)/ffmpeg/lib/libswscale.a
$(LOCAL_PATH)/ffmpeg/lib/libavutil.a
$(LOCAL_PATH)/ffmpeg/lib/libx264.a
#-- for ffmpeg library

LOCAL_MULTILIB := 32

include $(BUILD_EXECUTABLE)

include $(CLEAR_VARS)

LOCAL_MODULE := encodertest

LOCAL_MODULE_TAGS := optional

LOCAL_MODULE_PATH := $(TARGET_OUT)/bin

LOCAL_SRC_FILES :=
ffjpeg.cpp
ffencoder.cpp
encodertest.cpp

LOCAL_SHARED_LIBRARIES :=
libutils
libcutils

#++ for ffmpeg library
LOCAL_CFLAGS +=
-D__STDC_CONSTANT_MACROS

LOCAL_C_INCLUDES +=
$(LOCAL_PATH)/ffmpeg/include

LOCAL_C_INCLUDES += /AOSP/frameworks/native/include/
LOCAL_C_INCLUDES += /AOSP/system/core/include/
LOCAL_C_INCLUDES += /AOSP/hardware/libhardware/include

LOCAL_LDFLAGS += -ldl
$(LOCAL_PATH)/ffmpeg/lib/libavformat.a
$(LOCAL_PATH)/ffmpeg/lib/libavcodec.a
$(LOCAL_PATH)/ffmpeg/lib/libswresample.a
$(LOCAL_PATH)/ffmpeg/lib/libswscale.a
$(LOCAL_PATH)/ffmpeg/lib/libavutil.a
$(LOCAL_PATH)/ffmpeg/lib/libx264.a
#-- for ffmpeg library

LOCAL_MULTILIB := 32

include $(BUILD_EXECUTABLE)

include $(CLEAR_VARS)

LOCAL_MODULE := recordertest

LOCAL_MODULE_TAGS := optional

LOCAL_MODULE_PATH := $(TARGET_OUT)/bin

LOCAL_C_INCLUDES := /AOSP/external/tinyalsa/include

LOCAL_SRC_FILES :=
micdev_tinyalsa.cpp
ffjpeg.cpp
camdev.cpp
ffencoder.cpp
ffrecorder.cpp
recordertest.cpp

LOCAL_SHARED_LIBRARIES :=
libutils
libcutils
libui
libgui
libandroid_runtime
libtinyalsa

#++ for ffmpeg library
LOCAL_CFLAGS +=
-D__STDC_CONSTANT_MACROS

LOCAL_C_INCLUDES +=
$(LOCAL_PATH)/ffmpeg/include
LOCAL_C_INCLUDES += /AOSP/frameworks/native/include/
LOCAL_C_INCLUDES += /AOSP/system/core/include/
LOCAL_C_INCLUDES += /AOSP/hardware/libhardware/include

LOCAL_LDFLAGS += -ldl
$(LOCAL_PATH)/ffmpeg/lib/libavformat.a
$(LOCAL_PATH)/ffmpeg/lib/libavcodec.a
$(LOCAL_PATH)/ffmpeg/lib/libswresample.a
$(LOCAL_PATH)/ffmpeg/lib/libswscale.a
$(LOCAL_PATH)/ffmpeg/lib/libavutil.a
$(LOCAL_PATH)/ffmpeg/lib/libx264.a
#-- for ffmpeg library

LOCAL_MULTILIB := 32

include $(BUILD_EXECUTABLE)
`

What platform SDK was this built on? I am using the newest NDK from android studio. I am building your examples through nkd-build.

Thanks in advance.

[rockcarry]

I checked you android.mk, I found it missing "\" ??

for example:

in yours
LOCAL_SRC_FILES :=
v4l2test.cpp
ffjpeg.cpp
camdev.cpp

but it shoud like this:
LOCAL_SRC_FILES :=
v4l2test.cpp \
ffjpeg.cpp \
camdev.cpp

maybe you are missing the "\". (or the github web display bug ?)

I built these codes under Allwinner A33 android 4.4 source code enviroment.
In theory it is possible using NDK, but I suggest you using NDK version which corresponding to the Android4.4.

good luck.

[shakith]

I checked and "" are in the mk file. It looks like a github web display bug. could you share your NDK toolchain mentioned in the readme (arm-linux-androideabi-4.7.1-full-linux-x86.tar.bz2)?

[rockcarry]

arm-linux-androideabi-4.7.1-full-linux-x86.tar.bz2
no problem, but how to give it to you ? about 39MB size.

[rockcarry]

I upload it to the Baidu cloud, please try download:
link: http://pan.baidu.com/s/1qYxwcQK passcode: sqc8

[shakith]

Got it. Thanks

[rockcarry]

dose it compile success now ? or not ?

[shakith]

Not yet. A seperate makefile is needed to build test programs using arm-linux-androideabi-4.7.1-full-linux-x86.tar.bz2 toolchain. Do you already have such a makefile?

[rockcarry]

sorry. I only use arm-linux-androideabi-4.7.1-full-linux-x86 toolchain to build ffmpeg library for v4l2test.
the source code of v4l2test need build using NDK or in android source code building enviroment.
the arm-linux-androideabi-4.7.1-full-linux-x86 toolchain is a standalone toolchain for android, it means you can use it to build c/c++ source without NDK.

[shakith]

Okay. I want to build v4l2test without using NDK. As I have build errors with NDK. How did you build v4l2test without using the NDK? Did you create a makefile to build c/c++ (e.g. v4l2test) using the arm-linux-androideabi-4.7.1-full-linux-x86 stnadalone toolchain?

[rockcarry]

some source code of v4l2test using android header files, example:

in camdev.h
#include <gui/Surface.h>
#include <gui/SurfaceComposerClient.h>
#include <gui/ISurfaceComposer.h>
#include <ui/DisplayInfo.h>
#include <ui/GraphicBufferMapper.h>

these header files are not included in the standalone toolchains.

so you need NDK and download related android source code or header files.

I sugguest you download the android 4.4 source code, and try to build it.

my build steps in android source code enviroment:

1. cd android-source dir
2. copy v4l2test to android-source dir
3. source build/envsetup.sh
4. lunch (select a device combo)
5. make -j8 (this will make whole android source code )
6. mmm v4l2test -B (this will build v4l2test project)

[shakith]

Thanks. I managed to build it.

[rockcarry]

great

[rockcarry]

you write a new makefile ?
could you please share you modification, this maybe helpful for other peoples.
thank you.

[shakith]

Sorry fro the late reply. I didnt make a new makefile. I just followed your steps build the project using mmm v4l2test -B