frameworks/av/media/libstagefright/ExtendedUtils.cpp: In static member function 'static android::sp<android::MetaData> android::ExtendedUtils::updatePCMFormatAndBitwidth(android::sp<android::MediaSource>&, bool)':
frameworks/av/media/libstagefright/ExtendedUtils.cpp:949:28: error: 'kKeyPcmFormat' was not declared in this scope
     tempMetadata->setInt32(kKeyPcmFormat, AUDIO_FORMAT_PCM_16_BIT);
                            ^
frameworks/av/media/libstagefright/ExtendedUtils.cpp: In static member function 'static int32_t android::ExtendedUtils::getPCMFormat(const android::sp<android::MetaData>&)':
frameworks/av/media/libstagefright/ExtendedUtils.cpp:1083:25: error: 'kKeyPcmFormat' was not declared in this scope
         meta->findInt32(kKeyPcmFormat, &pcmFormat);
                         ^
frameworks/av/media/libstagefright/ExtendedUtils.cpp: In static member function 'static void android::ExtendedUtils::setKeyPCMFormat(const android::sp<android::MetaData>&, int32_t)':
frameworks/av/media/libstagefright/ExtendedUtils.cpp:1090:24: error: 'kKeyPcmFormat' was not declared in this scope
         meta->setInt32(kKeyPcmFormat, pcmFormat);