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2014/10/16 ¤W¤È 08:10:13
android Programming Glossary: armv7http://stackoverflow.com/questions/12660043/arm-linux-androideabi-gcc-is-unable-to-create-an-executable-compile-ffmpeg-fo by roman10.net His given build script builds ffmpeg for armv7 a devices. I want to build it for armeabi. My ultimate aim is.. aim is to run ffmpeg commands on android armeabi and armv7 a devices. So i change the script's CPU part from #arm v7vfpv3.. So i change the script's CPU part from #arm v7vfpv3 CPU armv7 a OPTIMIZE_CFLAGS mfloat abi softfp mfpu vfpv3 d16 marm march..
http://stackoverflow.com/questions/16450650/android-valgrind-build-fails 18 arch arm . configure prefix data local Inst host armv7 unknown linux target armv7 unknown linux with tmpdir sdcard.. prefix data local Inst host armv7 unknown linux target armv7 unknown linux with tmpdir sdcard make j4 make j4 install DESTDIR..
Floating point or fixed-point for Android NDK OpenGL apps? http://stackoverflow.com/questions/3385964/floating-point-or-fixed-point-for-android-ndk-opengl-apps you won't get hardware FP at all. If you select the armv7 a architecture you will but your app won't be available on pre.. want your app to run on. It's certainly easier to code for armv7 a but you cut yourself off from a piece of the market. share..
Why use armeabi-v7a code over armeabi code? http://stackoverflow.com/questions/7080525/why-use-armeabi-v7a-code-over-armeabi-code assume that everything works now android android ndk arm armv7 share improve this question Depends on what your native..
Android build system, NEON and non-NEON builds http://stackoverflow.com/questions/7679363/android-build-system-neon-and-non-neon-builds NEON LOCAL_NEON_CFLAGS mfloat abi softfp mfpu neon march armv7 Finally add the following magical line to your Android.mk TARGET..
Android NDK and Google Play filtering http://stackoverflow.com/questions/10846758/android-ndk-and-google-play-filtering ARMv5 your app will only show up for devices with ARMv5 or ARMv7 processors. What if I have a Java alternative and want my app..
http://stackoverflow.com/questions/12660043/arm-linux-androideabi-gcc-is-unable-to-create-an-executable-compile-ffmpeg-fo binary for following architectures # ARMv6 # ARMv6 VFP # ARMv7 VFPv3 d16 Tegra2 # ARMv7 Neon Cortex A8 # Customizing # 1. Feel.. # ARMv6 # ARMv6 VFP # ARMv7 VFPv3 d16 Tegra2 # ARMv7 Neon Cortex A8 # Customizing # 1. Feel free to change . configure..
Floating point or fixed-point for Android NDK OpenGL apps? http://stackoverflow.com/questions/3385964/floating-point-or-fixed-point-for-android-ndk-opengl-apps newer devices like the Droid Nexus One and Incredible use ARMv7 A CPUs that do have FP hardware. If your game is really 3D intensive.. you will but your app won't be available on pre ARMv7 A devices. OpenGL from Java should be sitting on top of direct..
Producing optimised NDK code for multiple architectures? http://stackoverflow.com/questions/5089783/producing-optimised-ndk-code-for-multiple-architectures my C code with #ifdef branches. For example I'm aware that ARMv7 has floating point instructions and some ARMv7 chips support.. aware that ARMv7 has floating point instructions and some ARMv7 chips support NEON instructions and that the default ARM supports.. of these. Is it possible to set flags so that I can build ARMv7 with NEON ARMv7 without NEON and the default ARM build I'm know..
http://stackoverflow.com/questions/7032695/webp-for-android encoder bits removed. Content for Application.mk # The ARMv7 is significanly faster due to the use of the hardware FPU APP_ABI..
http://stackoverflow.com/questions/12660043/arm-linux-androideabi-gcc-is-unable-to-create-an-executable-compile-ffmpeg-fo ffmpeg for android armeabi devices. I am following tutorial by roman10.net His given build script builds ffmpeg for armv7 a devices. I want to build it for armeabi. My ultimate aim is to run ffmpeg commands on android armeabi and armv7 a devices... for armv7 a devices. I want to build it for armeabi. My ultimate aim is to run ffmpeg commands on android armeabi and armv7 a devices. So i change the script's CPU part from #arm v7vfpv3 CPU armv7 a OPTIMIZE_CFLAGS mfloat abi softfp mfpu vfpv3.. to run ffmpeg commands on android armeabi and armv7 a devices. So i change the script's CPU part from #arm v7vfpv3 CPU armv7 a OPTIMIZE_CFLAGS mfloat abi softfp mfpu vfpv3 d16 marm march CPU PREFIX . android CPU ADDITIONAL_CONFIGURE_FLAG build_one..
http://stackoverflow.com/questions/16450650/android-valgrind-build-fails DANDROID_HARDWARE_ HWKIND CFLAGS sysroot NDKROOT platforms android 18 arch arm . configure prefix data local Inst host armv7 unknown linux target armv7 unknown linux with tmpdir sdcard make j4 make j4 install DESTDIR `pwd` Inst adb root adb remount.. sysroot NDKROOT platforms android 18 arch arm . configure prefix data local Inst host armv7 unknown linux target armv7 unknown linux with tmpdir sdcard make j4 make j4 install DESTDIR `pwd` Inst adb root adb remount adb shell mkdir data local..
Floating point or fixed-point for Android NDK OpenGL apps? http://stackoverflow.com/questions/3385964/floating-point-or-fixed-point-for-android-ndk-opengl-apps write native code with the NDK and select the armv5te architecture you won't get hardware FP at all. If you select the armv7 a architecture you will but your app won't be available on pre ARMv7 A devices. OpenGL from Java should be sitting on top..
Why use armeabi-v7a code over armeabi code? http://stackoverflow.com/questions/7080525/why-use-armeabi-v7a-code-over-armeabi-code seem to work fine. These have ARM v7 CPU's. Is it save to assume that everything works now android android ndk arm armv7 share improve this question Depends on what your native code does but v7a has support for hardware floating point operations..
Android build system, NEON and non-NEON builds http://stackoverflow.com/questions/7679363/android-build-system-neon-and-non-neon-builds LOCAL_NEON_SRC_FILES Now define the CFLAGS for NEON LOCAL_NEON_CFLAGS mfloat abi softfp mfpu neon march armv7 Finally add the following magical line to your Android.mk TARGET process src files tags call add src files target cflags..
Android NDK and Google Play filtering http://stackoverflow.com/questions/10846758/android-ndk-and-google-play-filtering E.g. if you have a library which is only compiled for ARMv5 your app will only show up for devices with ARMv5 or ARMv7 processors. What if I have a Java alternative and want my app to be downloaded by non ARM devices too E.g. I catch an exception..
http://stackoverflow.com/questions/12660043/arm-linux-androideabi-gcc-is-unable-to-create-an-executable-compile-ffmpeg-fo in top of FFmpeg source tree # . build_android # It generates binary for following architectures # ARMv6 # ARMv6 VFP # ARMv7 VFPv3 d16 Tegra2 # ARMv7 Neon Cortex A8 # Customizing # 1. Feel free to change . configure parameters for more features.. # . build_android # It generates binary for following architectures # ARMv6 # ARMv6 VFP # ARMv7 VFPv3 d16 Tegra2 # ARMv7 Neon Cortex A8 # Customizing # 1. Feel free to change . configure parameters for more features # 2. To adapt other ARM variants..
Floating point or fixed-point for Android NDK OpenGL apps? http://stackoverflow.com/questions/3385964/floating-point-or-fixed-point-for-android-ndk-opengl-apps MyTouch have ARMv6 CPUs without floating point support. Most newer devices like the Droid Nexus One and Incredible use ARMv7 A CPUs that do have FP hardware. If your game is really 3D intensive it might demand more from the 3D implementation than.. won't get hardware FP at all. If you select the armv7 a architecture you will but your app won't be available on pre ARMv7 A devices. OpenGL from Java should be sitting on top of direct byte buffers now which are currently slow to access from..
Producing optimised NDK code for multiple architectures? http://stackoverflow.com/questions/5089783/producing-optimised-ndk-code-for-multiple-architectures settings to use and I want to avoid having to litter my C code with #ifdef branches. For example I'm aware that ARMv7 has floating point instructions and some ARMv7 chips support NEON instructions and that the default ARM supports neither.. to litter my C code with #ifdef branches. For example I'm aware that ARMv7 has floating point instructions and some ARMv7 chips support NEON instructions and that the default ARM supports neither of these. Is it possible to set flags so that.. NEON instructions and that the default ARM supports neither of these. Is it possible to set flags so that I can build ARMv7 with NEON ARMv7 without NEON and the default ARM build I'm know how to do the latter two but not all 3. I'm cautious about..
http://stackoverflow.com/questions/7032695/webp-for-android it's basically the same as bundled in libwebp tarball except encoder bits removed. Content for Application.mk # The ARMv7 is significanly faster due to the use of the hardware FPU APP_ABI armeabi armeabi v7a APP_PLATFORM android 9 Here's how..
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