Hi Rakesh, The support of libstagefright in csipsimple is not yet something I help with because it's not yet stable on ffmpeg side (and also is a private API in android). Getting it built requires some time understanding cross compilation with private libraries on android and it also comes with real limitations. You normally understand these limitations if you are able to build and understand the logs and the problem you currently have (your problem is about the link with the libstagefright library that is not part of android sdk). Globally video feature is also in early development stage and it's only safe to rely on it if you actually understand/learn the code and its limitations. That's why it's not yet available as feature for mainstream users and why I don't provide developers help on video feature in CSipSimple until the work is done to get something fully functional. I prefer to focus my efforts on actual dev of the feature rather than explaining 100 times the same things about android development and compilation. And I also want to let other devs have a real external eyes on the code and improve things missing if they have skills to do so/understand (and if not, it's not yet time for them to use it). So to sum up, in your case, if you are not confident with building with private api of android, it's not a good idea to use libstagefright implementation. It's not reliable on ffmpeg side, not integrated in all cases in csipsimple and ... even, will probably not be the solution used to benefit video hardware encoding/decoding on android (maybe the official API in java or openmax-al api available for encoding/decoding will be used). Also, for questions that are more related to csipsimple more than pjsip the csipsimple-dev google group is a better place to ask as will not pollute pjsip mailing list feed ;). On 09/05/2013 09:02, rakesh garg wrote: > Hi, > > I am using CSipSimple code from branch version 1952. > i took build_ffmpeg file from version 1991 in which HW decoder for > h264 support has been added. > > when i try to build video plugin using "make VideoLibs" i get the > following error: > > > > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `decode_thread(void*)': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:171: > undefined reference to `android::MediaBuffer::release()' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:165: > undefined reference to `android::MetaData::findInt32(unsigned int, int*)' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:166: > undefined reference to `android::MetaData::findInt32(unsigned int, int*)' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:167: > undefined reference to `android::MediaBuffer::range_length() const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `~sp': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:379: > undefined reference to `android::RefBase::decStrong(void const*) const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `Stagefright_decode_frame': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:427: > undefined reference to `android::MediaBuffer::data() const' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:439: > undefined reference to `android::MediaBuffer::release()' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `sp': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:360: > undefined reference to `android::RefBase::incStrong(void const*) const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `~sp': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:379: > undefined reference to `android::RefBase::decStrong(void const*) const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `~CustomSource': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:82: > undefined reference to `android::MediaBufferGroup::~MediaBufferGroup()' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:82: > undefined reference to `android::MediaSource::~MediaSource()' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `~sp': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:379: > undefined reference to `android::RefBase::decStrong(void const*) const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `~CustomSource': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:82: > undefined reference to `android::MediaBufferGroup::~MediaBufferGroup()' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:82: > undefined reference to `android::MediaSource::~MediaSource()' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `CustomSource::read(android::MediaBuffer**, > android::MediaSource::ReadOptions const*)': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:119: > undefined reference to > `android::MediaBufferGroup::acquire_buffer(android::MediaBuffer**)' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:121: > undefined reference to `android::MediaBuffer::data() const' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:122: > undefined reference to `android::MediaBuffer::set_range(unsigned int, > unsigned int)' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:123: > undefined reference to `android::MediaBuffer::meta_data()' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:123: > undefined reference to `android::MetaData::clear()' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `~sp': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:379: > undefined reference to `android::RefBase::decStrong(void const*) const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `CustomSource::read(android::MediaBuffer**, > android::MediaSource::ReadOptions const*)': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:124: > undefined reference to `android::MediaBuffer::meta_data()' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:124: > undefined reference to `android::MetaData::setInt32(unsigned int, int)' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `~sp': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:379: > undefined reference to `android::RefBase::decStrong(void const*) const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `CustomSource::read(android::MediaBuffer**, > android::MediaSource::ReadOptions const*)': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:125: > undefined reference to `android::MediaBuffer::meta_data()' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:125: > undefined reference to `android::MetaData::setInt64(unsigned int, long > long)' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `~sp': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:379: > undefined reference to `android::RefBase::decStrong(void const*) const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `Stagefright_close': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:458: > undefined reference to `android::MediaBuffer::release()' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:506: > undefined reference to `android::MediaBuffer::release()' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:511: > undefined reference to `android::OMXClient::disconnect()' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `~sp': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:379: > undefined reference to `android::RefBase::decStrong(void const*) const' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:379: > undefined reference to `android::RefBase::decStrong(void const*) const' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:379: > undefined reference to `android::RefBase::decStrong(void const*) const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `Stagefright_init': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:222: > undefined reference to `android::MetaData::MetaData()' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function > `android::sp<android::MetaData>::operator=(android::MetaData*)': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:394: > undefined reference to `android::RefBase::incStrong(void const*) const' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:395: > undefined reference to `android::RefBase::decStrong(void const*) const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `Stagefright_init': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:227: > undefined reference to `android::MetaData::setCString(unsigned int, > char const*)' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:228: > undefined reference to `android::MetaData::setInt32(unsigned int, int)' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:229: > undefined reference to `android::MetaData::setInt32(unsigned int, int)' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:230: > undefined reference to `android::MetaData::setData(unsigned int, > unsigned int, void const*, unsigned int)' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:232: > undefined reference to `android::ProcessState::self()' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:232: > undefined reference to `android::ProcessState::startThreadPool()' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `~sp': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:379: > undefined reference to `android::RefBase::decStrong(void const*) const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `sp': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:360: > undefined reference to `android::RefBase::incStrong(void const*) const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `CustomSource': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:84: > undefined reference to `android::MediaSource::MediaSource()' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:84: > undefined reference to `android::MediaBufferGroup::MediaBufferGroup()' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:88: > undefined reference to `android::MediaBuffer::MediaBuffer(unsigned int)' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/libavcodec/libstagefright.cpp:88: > undefined reference to > `android::MediaBufferGroup::add_buffer(android::MediaBuffer*)' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `operator=<CustomSource>': > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:413: > undefined reference to `android::RefBase::incStrong(void const*) const' > /home/ubuntu/workspace/6may/CSipSimple/jni/ffmpeg/ffmpeg_src/./android-source/frameworks/base/include/utils/RefBase.h:414: > undefined reference to `android::RefBase::decStrong(void const*) const' > jni/pjsip/android_toolchain/pjmedia/../../sources/pjmedia/../../../ffmpeg/build/ffmpeg/armeabi-v7a/lib/libavcodec.a(libstagefright.o): > In function `Stagefright_init': > > > > Kindly respond if anyone has any idea about this. > > Thanks, > > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > 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