[FFmpeg-trac] #7741(avformat:new): when use ndk bulid the 4.1 code occur error

[FFmpeg]

#7741: when use ndk bulid the 4.1 code occur error
------------------------------------+--------------------------------------
             Reporter:  hitvz       |                     Type:  defect
               Status:  new         |                 Priority:  normal
            Component:  avformat    |                  Version:  git-master
             Keywords:  error occr  |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+--------------------------------------
 the configuration shell script：
 #!/bin/bash
 NDK=/home/hui/Desktop/android-ndk-r16b
 SYSROOT=$NDK/platforms/android-21/arch-arm/
 CPU=armv7-a
 TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64
 PREFIX=$(pwd)/android/$CPU
 OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfp -marm -march=$CPU "

 export PATH=$PATH:/usr/lib/jvm/java-8-openjdk-amd64/include

 function build_android
 {
 ./configure \
 --prefix=$PREFIX \
 --enable-neon \
 --enable-hwaccels \
 --enable-shared \
 --enable-jni \
 --enable-mediacodec \
 --enable-decoder=h264_mediacodec \
 --disable-static \
 --disable-doc \
 --enable-ffmpeg \
 --disable-ffplay \
 --disable-ffprobe \
 --enable-avdevice \
 --disable-doc \
 --disable-symver \
 --cc=$TOOLCHAIN/bin/arm-linux-androideabi-gcc \
 --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
 --target-os=android \
 --arch=arm \
 --cpu=armv7-a \
 --enable-cross-compile \
 --sysroot=$SYSROOT \
 --extra-cflags="-shared -I /usr/lib/jvm/java-1.8.0-openjdk-amd64/include/
 -I /usr/lib/jvm/java-1.8.0-openjdk-amd64/include/linux/ -I
 /home/hui/Desktop/android-ndk-r16b/sysroot/usr/include -I
 /home/hui/Desktop/android-ndk-r16b/sysroot/usr/include/arm-linux-
 androideabi -Os -fpic $OPTIMIZE_CFLAGS" \
 --extra-ldflags="$ADDI_LDFLAGS" \
 $ADDITIONAL_CONFIGURE_FLAG
 }
 build_android

 ---------------------

 when i use option --disable-avformat , it is normal to build.

 if not, it will occur the below error:
 libavformat/udp.c: In function 'udp_set_multicast_sources':
 libavformat/udp.c:290:28: error: request for member 's_addr' in something
 not a structure or union
          mreqs.imr_multiaddr.s_addr = ((struct sockaddr_in
 *)addr)->sin_addr.s_addr;
                             ^
 libavformat/udp.c:292:32: error: incompatible types when assigning to type
 '__be32' from type 'struct in_addr'
              mreqs.imr_interface= ((struct sockaddr_in
 *)local_addr)->sin_addr;
                                 ^
 libavformat/udp.c:294:32: error: request for member 's_addr' in something
 not a structure or union
              mreqs.imr_interface.s_addr= INADDR_ANY;
                                 ^
 libavformat/udp.c:295:29: error: request for member 's_addr' in something
 not a structure or union
          mreqs.imr_sourceaddr.s_addr = ((struct sockaddr_in
 *)&sources[i])->sin_addr.s_addr;
                              ^
 In file included from /home/hui/Desktop/android-ndk-
 r16b/sysroot/usr/include/linux/byteorder/little_endian.h:28:0,
                  from /home/hui/Desktop/android-ndk-
 r16b/sysroot/usr/include/arm-linux-androideabi/asm/byteorder.h:21,
                  from /home/hui/Desktop/android-ndk-
 r16b/sysroot/usr/include/linux/in.h:229,
                  from /home/hui/Desktop/android-ndk-
 r16b/sysroot/usr/include/netinet/in.h:37,
                  from libavformat/network.h:61,
                  from libavformat/udp.c:41:
 libavformat/udp.c: At top level:
 /home/hui/Desktop/android-ndk-
 r16b/sysroot/usr/include/linux/swab.h:100:29: warning: '__swab32s' defined
 but not used [-Wunused-function]
  static __always_inline void __swab32s(__u32 * p) {
                              ^
 /home/hui/Desktop/android-ndk-
 r16b/sysroot/usr/include/linux/swab.h:107:29: warning: '__swab64s' defined
 but not used [-Wunused-function]
  static __always_inline void __swab64s(__u64 * p) {
                              ^
 /home/hui/Desktop/android-ndk-
 r16b/sysroot/usr/include/linux/swab.h:107:29: warning: always_inline
 function might not be inlinable [-Wattributes]
 /home/hui/Desktop/android-ndk-
 r16b/sysroot/usr/include/linux/swab.h:100:29: warning: always_inline
 function might not be inlinable [-Wattributes]
  static __always_inline void __swab32s(__u32 * p) {
                              ^
 /home/hui/Desktop/android-ndk-r16b/sysroot/usr/include/linux/swab.h:72:30:
 warning: always_inline function might not be inlinable [-Wattributes]
  static __always_inline __u64 __swab64p(const __u64 * p) {
                               ^
 /home/hui/Desktop/android-ndk-r16b/sysroot/usr/include/linux/swab.h:65:30:
 warning: always_inline function might not be inlinable [-Wattributes]
  static __always_inline __u32 __swab32p(const __u32 * p) {
                               ^
 /home/hui/Desktop/android-ndk-r16b/sysroot/usr/include/linux/swab.h:58:30:
 warning: always_inline function might not be inlinable [-Wattributes]
  static __always_inline __u16 __swab16p(const __u16 * p) {
                               ^
 make: *** [ffbuild/common.mak:60：libavformat/udp.o] 错误 1

 -----------
 thx to fix it or get some suggestion

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7741>
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