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  • Encode raw PCM to aac using ffmpeg native AAC

    10 avril 2012, par newentry

    I am trying to convert raw PCM to aac .So i am trying to achieve it through ffmpeg.

    My ffmepg configuration

    —enable-cross-compile —arch=arm —cpu=armv6 —enable-asm —target-os=linux —disable-stripping —enable-neon —enable-version3 —disable-shared —enable-static —enable-gpl —enable-memalign-hack —cc=arm-linux-androideabi-gcc —ld=arm-linux-androideabi-ld —extra-cflags='-fPIC -DANDROID -D_thumb_ -mthumb -Wfatal-errors -Wno-deprecated -marm -march=armv6 ' —disable-everything —enable-encoder=aac —enable-decoder=h264 —enable-hwaccels —disable-ffmpeg —disable-ffplay —disable-ffprobe —disable-ffserver —disable-network —enable-filter=buffer —enable-filter=buffersink —disable-demuxer=v4l —disable-demuxer=v4l2 —disable-indev=v4l —disable-indev=v4l2

    avcodec_find_encoder(CODEC_ID_AAC)  find's the AAC encoder succesfully.
    

    
audio_context= avcodec_alloc_context()
    
avcodec_open(audio_context, audio_encoder)  failed to open aac

    any idea ?

  • Failing to build ffmpeg for Android

    3 octobre 2018, par Hamed Momeni

    I’m trying build the ffmpeg sources for Android using two different approaches :

    1. https://yesimroy.gitbooks.io/android-note/content/compile_ffmpeg_for_android.html
    2. https://github.com/Khang-NT/ffmpeg-binary-android

    The problem here is that I am facing a somewhat similar problem in both the approaches so I guess the problem lies not with those scripts but there is some thing off in my environment. Here are the outputs of both build scripts :

    For approach #1 :

    /home/hamed/dev/android-tools/android-sdk-linux/ndk-bundle/toolchains/x86-4.9/prebuilt/linux-x86_64/bin/i686-linux-android-gcc is unable to create an executable file.
    
C compiler test failed.
    

    
If you think configure made a mistake, make sure you are using the latest
    
version from Git.  If the latest version fails, report the problem to the
    
ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
    
Include the log file "conflog.txt" produced by configure as this will help
    
solve the problem.
    
Makefile:2: ffbuild/config.mak: No such file or directory
    
Makefile:40: /tools/Makefile: No such file or directory
    
Makefile:41: /ffbuild/common.mak: No such file or directory
    
Makefile:90: /libavutil/Makefile: No such file or directory
    
Makefile:90: /ffbuild/library.mak: No such file or directory
    
Makefile:92: /fftools/Makefile: No such file or directory
    
Makefile:93: /doc/Makefile: No such file or directory
    
Makefile:94: /doc/examples/Makefile: No such file or directory
    
Makefile:159: /tests/Makefile: No such file or directory
    
make: *** No rule to make target '/tests/Makefile'.  Stop.
    
Makefile:2: ffbuild/config.mak: No such file or directory
    
Makefile:40: /tools/Makefile: No such file or directory
    
Makefile:41: /ffbuild/common.mak: No such file or directory
    
Makefile:90: /libavutil/Makefile: No such file or directory
    
Makefile:90: /ffbuild/library.mak: No such file or directory
    
Makefile:92: /fftools/Makefile: No such file or directory
    
Makefile:93: /doc/Makefile: No such file or directory
    
Makefile:94: /doc/examples/Makefile: No such file or directory
    
Makefile:159: /tests/Makefile: No such file or directory
    
make: *** No rule to make target '/tests/Makefile'.  Stop.
    
Makefile:2: ffbuild/config.mak: No such file or directory
    
Makefile:40: /tools/Makefile: No such file or directory
    
Makefile:41: /ffbuild/common.mak: No such file or directory
    
Makefile:90: /libavutil/Makefile: No such file or directory
    
Makefile:90: /ffbuild/library.mak: No such file or directory
    
Makefile:92: /fftools/Makefile: No such file or directory
    
Makefile:93: /doc/Makefile: No such file or directory
    
Makefile:94: /doc/examples/Makefile: No such file or directory
    
Makefile:159: /tests/Makefile: No such file or directory
    
make: *** No rule to make target '/tests/Makefile'.  Stop.
    
Android X86 builds finished

    And for approach #2 :

    checking how to print strings... printf
    
checking for style of include used by make... GNU
    
checking for arm-linux-androideabi-gcc... /home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc
    
checking whether the C compiler works... no
    
configure: error: in `/home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/opus-1.1.5':
    
configure: error: C compiler cannot create executables

    I even tried redownloading the NDK fearing that the gcc compiler was corrupt but still the same error line appears.

    And this is the config.log file from the OPUS module of the second approach :

    This file contains any messages produced by compilers while
    
running configure, to aid debugging if configure makes a mistake.
    

    
It was created by opus configure 1.1.5, which was
    
generated by GNU Autoconf 2.69.  Invocation command line was
    

    
  $ ./configure -v --prefix=/home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/build_dir --host=arm-linux-androideabi --enable-static --disable-shared --disable-doc --disable-extra-programs
    

    
## --------- ##
    
## Platform. ##
    
## --------- ##
    

    
hostname = putech-laptop
    
uname -m = x86_64
    
uname -r = 4.15.0-36-generic
    
uname -s = Linux
    
uname -v = #39-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018
    

    
/usr/bin/uname -p = unknown
    
/bin/uname -X     = unknown
    

    
/bin/arch              = unknown
    
/usr/bin/arch -k       = unknown
    
/usr/convex/getsysinfo = unknown
    
/usr/bin/hostinfo      = unknown
    
/bin/machine           = unknown
    
/usr/bin/oslevel       = unknown
    
/bin/universe          = unknown
    

    
PATH: /home/hamed/.local/bin
    
PATH: /home/hamed/.local/bin
    
PATH: /usr/local/sbin
    
PATH: /usr/local/bin
    
PATH: /usr/sbin
    
PATH: /usr/bin
    
PATH: /sbin
    
PATH: /bin
    
PATH: /usr/games
    
PATH: /usr/local/games
    
PATH: /snap/bin
    
PATH: /home/hamed/dev/go/bin
    
PATH: /home/hamed/dev/android-tools/android-sdk-linux/platform-tools/
    
PATH: /home/hamed/dev/go/bin
    
PATH: /home/hamed/dev/android-tools/android-sdk-linux/platform-tools/
    
PATH: /home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/build_dir/bin/
    

    

    
## ----------- ##
    
## Core tests. ##
    
## ----------- ##
    

    
configure:2354: checking whether make supports nested variables
    
configure:2371: result: yes
    
configure:2437: checking for a BSD-compatible install
    
configure:2505: result: /usr/bin/install -c
    
configure:2516: checking whether build environment is sane
    
configure:2571: result: yes
    
configure:2630: checking for arm-linux-androideabi-strip
    
configure:2657: result: /home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-strip
    
configure:2722: checking for a thread-safe mkdir -p
    
configure:2761: result: /bin/mkdir -p
    
configure:2768: checking for gawk
    
configure:2798: result: no
    
configure:2768: checking for mawk
    
configure:2784: found /usr/bin/mawk
    
configure:2795: result: mawk
    
configure:2806: checking whether make sets $(MAKE)
    
configure:2828: result: yes
    
configure:2953: checking whether to enable maintainer-specific portions of Makefiles
    
configure:2962: result: yes
    
configure:2980: checking build system type
    
configure:2994: result: x86_64-unknown-linux-gnu
    
configure:3014: checking host system type
    
configure:3027: result: arm-unknown-linux-androideabi
    
configure:3099: checking how to print strings
    
configure:3126: result: printf
    
configure:3159: checking for style of include used by make
    
configure:3187: result: GNU
    
configure:3218: checking for arm-linux-androideabi-gcc
    
configure:3245: result: /home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc
    
configure:3514: checking for C compiler version
    
configure:3523: /home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --version >&5
    
Android (4751641 based on r328903) clang version 7.0.2 (https://android.googlesource.com/toolchain/clang 003100370607242ddd5815e4a043907ea9004281) (https://android.googlesource.com/toolchain/llvm 1d739ffb0366421d383e04ff80ec2ee591315116) (based on LLVM 7.0.2svn)
    
Target: arm--linux-android
    
Thread model: posix
    
InstalledDir: /home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../../../../llvm/prebuilt/linux-x86_64/bin
    
configure:3534: $? = 0
    
configure:3523: /home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc -v >&5
    
Android (4751641 based on r328903) clang version 7.0.2 (https://android.googlesource.com/toolchain/clang 003100370607242ddd5815e4a043907ea9004281) (https://android.googlesource.com/toolchain/llvm 1d739ffb0366421d383e04ff80ec2ee591315116) (based on LLVM 7.0.2svn)
    
Target: arm--linux-android
    
Thread model: posix
    
InstalledDir: /home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/../../../../llvm/prebuilt/linux-x86_64/bin
    
configure:3534: $? = 0
    
configure:3523: /home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc -V >&5
    
clang: error: argument to '-V' is missing (expected 1 value)
    
clang: error: no input files
    
configure:3534: $? = 1
    
configure:3523: /home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc -qversion >&5
    
clang: error: unknown argument '-qversion', did you mean '--version'?
    
clang: error: no input files
    
configure:3534: $? = 1
    
configure:3554: checking whether the C compiler works
    
configure:3576: /home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc -mfloat-abi=softfp -marm -march=armv7-a -Os -O3   -I/home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/build_dir/include --sysroot=/home/hamed/dev/android-tools/android-ndk-r18/platforms/android-16/arch-arm/ -fPIE  --sysroot=/home/hamed/dev/android-tools/android-ndk-r18/platforms/android-16/arch-arm/  -L/home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/build_dir/lib -fPIE -pie  conftest.c  >&5
    
/usr/bin/ld: unrecognised emulation mode: armelf_linux_eabi
    
Supported emulations: elf_x86_64 elf32_x86_64 elf_i386 elf_iamcu i386linux elf_l1om elf_k1om i386pep i386pe
    
clang: error: linker command failed with exit code 1 (use -v to see invocation)
    
configure:3580: $? = 1
    
configure:3618: result: no
    
configure: failed program was:
    
| /* confdefs.h */
    
| #define PACKAGE_NAME "opus"
    
| #define PACKAGE_TARNAME "opus"
    
| #define PACKAGE_VERSION "1.1.5"
    
| #define PACKAGE_STRING "opus 1.1.5"
    
| #define PACKAGE_BUGREPORT "opus@xiph.org"
    
| #define PACKAGE_URL ""
    
| /* end confdefs.h.  */
    
| 
    
| int
    
| main ()
    
| {
    
| 
    
|   ;
    
|   return 0;
    
| }
    
configure:3623: error: in `/home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/opus-1.1.5':
    
configure:3625: error: C compiler cannot create executables
    
See `config.log' for more details
    

    
## ---------------- ##
    
## Cache variables. ##
    
## ---------------- ##
    

    
ac_cv_build=x86_64-unknown-linux-gnu
    
ac_cv_env_ARM_NEON_INTR_CFLAGS_set=
    
ac_cv_env_ARM_NEON_INTR_CFLAGS_value=
    
ac_cv_env_CCASFLAGS_set=
    
ac_cv_env_CCASFLAGS_value=
    
ac_cv_env_CCAS_set=
    
ac_cv_env_CCAS_value=
    
ac_cv_env_CC_set=set
    
ac_cv_env_CC_value=/home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc
    
ac_cv_env_CFLAGS_set=set
    
ac_cv_env_CFLAGS_value='-mfloat-abi=softfp -marm -march=armv7-a -Os -O3   -I/home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/build_dir/include --sysroot=/home/hamed/dev/android-tools/android-ndk-r18/platforms/android-16/arch-arm/ -fPIE '
    
ac_cv_env_CPPFLAGS_set=set
    
ac_cv_env_CPPFLAGS_value='--sysroot=/home/hamed/dev/android-tools/android-ndk-r18/platforms/android-16/arch-arm/ '
    
ac_cv_env_CPP_set=set
    
ac_cv_env_CPP_value=/home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-cpp
    
ac_cv_env_LDFLAGS_set=set
    
ac_cv_env_LDFLAGS_value='-L/home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/build_dir/lib -fPIE -pie '
    
ac_cv_env_LIBS_set=
    
ac_cv_env_LIBS_value=
    
ac_cv_env_LT_SYS_LIBRARY_PATH_set=
    
ac_cv_env_LT_SYS_LIBRARY_PATH_value=
    
ac_cv_env_X86_AVX_CFLAGS_set=
    
ac_cv_env_X86_AVX_CFLAGS_value=
    
ac_cv_env_X86_SSE2_CFLAGS_set=
    
ac_cv_env_X86_SSE2_CFLAGS_value=
    
ac_cv_env_X86_SSE4_1_CFLAGS_set=
    
ac_cv_env_X86_SSE4_1_CFLAGS_value=
    
ac_cv_env_X86_SSE_CFLAGS_set=
    
ac_cv_env_X86_SSE_CFLAGS_value=
    
ac_cv_env_build_alias_set=
    
ac_cv_env_build_alias_value=
    
ac_cv_env_host_alias_set=set
    
ac_cv_env_host_alias_value=arm-linux-androideabi
    
ac_cv_env_target_alias_set=
    
ac_cv_env_target_alias_value=
    
ac_cv_host=arm-unknown-linux-androideabi
    
ac_cv_path_install='/usr/bin/install -c'
    
ac_cv_path_mkdir=/bin/mkdir
    
ac_cv_prog_AWK=mawk
    
ac_cv_prog_CC=/home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc
    
ac_cv_prog_STRIP=/home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-strip
    
ac_cv_prog_make_make_set=yes
    
am_cv_make_support_nested_variables=yes
    

    
## ----------------- ##
    
## Output variables. ##
    
## ----------------- ##
    

    
ACLOCAL='${SHELL} /home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/opus-1.1.5/missing aclocal-1.15'
    
AMDEPBACKSLASH='\'
    
AMDEP_FALSE='#'
    
AMDEP_TRUE=''
    
AMTAR='$${TAR-tar}'
    
AM_BACKSLASH='\'
    
AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
    
AM_DEFAULT_VERBOSITY='0'
    
AM_V='$(V)'
    
AR='/home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ar'
    
ARM2GNU_PARAMS=''
    
ARM_NEON_INTR_CFLAGS=''
    
AUTOCONF='${SHELL} /home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/opus-1.1.5/missing autoconf'
    
AUTOHEADER='${SHELL} /home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/opus-1.1.5/missing autoheader'
    
AUTOMAKE='${SHELL} /home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/opus-1.1.5/missing automake-1.15'
    
AWK='mawk'
    
CC='/home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc'
    
CCAS=''
    
CCASDEPMODE=''
    
CCASFLAGS=''
    
CCDEPMODE=''
    
CFLAGS='-mfloat-abi=softfp -marm -march=armv7-a -Os -O3   -I/home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/build_dir/include --sysroot=/home/hamed/dev/android-tools/android-ndk-r18/platforms/android-16/arch-arm/ -fPIE '
    
CPP='/home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-cpp'
    
CPPFLAGS='--sysroot=/home/hamed/dev/android-tools/android-ndk-r18/platforms/android-16/arch-arm/ '
    
CPU_ARM_FALSE=''
    
CPU_ARM_TRUE=''
    
CUSTOM_MODES_FALSE=''
    
CUSTOM_MODES_TRUE=''
    
CYGPATH_W='echo'
    
DEFS=''
    
DEPDIR='.deps'
    
DISABLE_FLOAT_API_FALSE=''
    
DISABLE_FLOAT_API_TRUE=''
    
DLLTOOL=''
    
DSYMUTIL=''
    
DUMPBIN=''
    
ECHO_C=''
    
ECHO_N='-n'
    
ECHO_T=''
    
EGREP=''
    
EXEEXT=''
    
EXTRA_PROGRAMS_FALSE=''
    
EXTRA_PROGRAMS_TRUE=''
    
FGREP=''
    
FIXED_POINT_FALSE=''
    
FIXED_POINT_TRUE=''
    
GREP=''
    
HAVE_ARM_NE10=''
    
HAVE_ARM_NE10_FALSE=''
    
HAVE_ARM_NE10_TRUE=''
    
HAVE_ARM_NEON_INTR_FALSE=''
    
HAVE_ARM_NEON_INTR_TRUE=''
    
HAVE_AVX_FALSE=''
    
HAVE_AVX_TRUE=''
    
HAVE_DOXYGEN=''
    
HAVE_DOXYGEN_FALSE=''
    
HAVE_DOXYGEN_TRUE=''
    
HAVE_PERL=''
    
HAVE_SSE2_FALSE=''
    
HAVE_SSE2_TRUE=''
    
HAVE_SSE4_1_FALSE=''
    
HAVE_SSE4_1_TRUE=''
    
HAVE_SSE_FALSE=''
    
HAVE_SSE_TRUE=''
    
INSTALL_DATA='${INSTALL} -m 644'
    
INSTALL_PROGRAM='${INSTALL}'
    
INSTALL_SCRIPT='${INSTALL}'
    
INSTALL_STRIP_PROGRAM='$(install_sh) -c -s'
    
LD='/home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ld'
    
LDFLAGS='-L/home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/build_dir/lib -fPIE -pie '
    
LIBM=''
    
LIBOBJS=''
    
LIBS=''
    
LIBTOOL=''
    
LIPO=''
    
LN_S=''
    
LTLIBOBJS=''
    
LT_SYS_LIBRARY_PATH=''
    
MAINT=''
    
MAINTAINER_MODE_FALSE='#'
    
MAINTAINER_MODE_TRUE=''
    
MAKEINFO='${SHELL} /home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/opus-1.1.5/missing makeinfo'
    
MANIFEST_TOOL=''
    
MKDIR_P='/bin/mkdir -p'
    
NE10_CFLAGS=''
    
NE10_LIBS=''
    
NM='/home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-nm'
    
NMEDIT=''
    
OBJDUMP=''
    
OBJEXT=''
    
OPUS_ARM_EXTERNAL_ASM_FALSE=''
    
OPUS_ARM_EXTERNAL_ASM_TRUE=''
    
OPUS_ARM_INLINE_ASM_FALSE=''
    
OPUS_ARM_INLINE_ASM_TRUE=''
    
OPUS_ARM_MAY_HAVE_EDSP=''
    
OPUS_ARM_MAY_HAVE_MEDIA=''
    
OPUS_ARM_MAY_HAVE_NEON=''
    
OPUS_ARM_NEON_INTR_CFLAGS=''
    
OPUS_HAVE_RTCD=''
    
OPUS_LT_AGE='5'
    
OPUS_LT_CURRENT='5'
    
OPUS_LT_REVISION='5'
    
OPUS_X86_AVX_CFLAGS=''
    
OPUS_X86_SSE2_CFLAGS=''
    
OPUS_X86_SSE4_1_CFLAGS=''
    
OPUS_X86_SSE_CFLAGS=''
    
OTOOL64=''
    
OTOOL=''
    
PACKAGE='opus'
    
PACKAGE_BUGREPORT='opus@xiph.org'
    
PACKAGE_NAME='opus'
    
PACKAGE_STRING='opus 1.1.5'
    
PACKAGE_TARNAME='opus'
    
PACKAGE_URL=''
    
PACKAGE_VERSION='1.1.5'
    
PATH_SEPARATOR=':'
    
PC_BUILD=''
    
RANLIB='/home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-ranlib'
    
SED=''
    
SET_MAKE=''
    
SHELL='/bin/bash'
    
STRIP='/home/hamed/dev/android-tools/android-ndk-r18/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-strip'
    
VERSION='1.1.5'
    
X86_AVX_CFLAGS=''
    
X86_SSE2_CFLAGS=''
    
X86_SSE4_1_CFLAGS=''
    
X86_SSE_CFLAGS=''
    
ac_ct_AR=''
    
ac_ct_CC=''
    
ac_ct_DUMPBIN=''
    
am__EXEEXT_FALSE=''
    
am__EXEEXT_TRUE=''
    
am__fastdepCCAS_FALSE=''
    
am__fastdepCCAS_TRUE=''
    
am__fastdepCC_FALSE=''
    
am__fastdepCC_TRUE=''
    
am__include='include'
    
am__isrc=''
    
am__leading_dot='.'
    
am__nodep='_no'
    
am__quote=''
    
am__tar='$${TAR-tar} chof - "$$tardir"'
    
am__untar='$${TAR-tar} xf -'
    
bindir='${exec_prefix}/bin'
    
build='x86_64-unknown-linux-gnu'
    
build_alias=''
    
build_cpu='x86_64'
    
build_os='linux-gnu'
    
build_vendor='unknown'
    
datadir='${datarootdir}'
    
datarootdir='${prefix}/share'
    
docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
    
dvidir='${docdir}'
    
exec_prefix='NONE'
    
host='arm-unknown-linux-androideabi'
    
host_alias='arm-linux-androideabi'
    
host_cpu='arm'
    
host_os='linux-androideabi'
    
host_vendor='unknown'
    
htmldir='${docdir}'
    
includedir='${prefix}/include'
    
infodir='${datarootdir}/info'
    
install_sh='${SHELL} /home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/opus-1.1.5/install-sh'
    
libdir='${exec_prefix}/lib'
    
libexecdir='${exec_prefix}/libexec'
    
localedir='${datarootdir}/locale'
    
localstatedir='${prefix}/var'
    
mandir='${datarootdir}/man'
    
mkdir_p='$(MKDIR_P)'
    
oldincludedir='/usr/include'
    
pdfdir='${docdir}'
    
prefix='/home/hamed/dev/projects/ffmpeg/ffmpeg-binary-android/build_scripts/build_dir'
    
program_transform_name='s,x,x,'
    
psdir='${docdir}'
    
sbindir='${exec_prefix}/sbin'
    
sharedstatedir='${prefix}/com'
    
sysconfdir='${prefix}/etc'
    
target_alias=''
    

    
## ----------- ##
    
## confdefs.h. ##
    
## ----------- ##
    

    
/* confdefs.h */
    
#define PACKAGE_NAME "opus"
    
#define PACKAGE_TARNAME "opus"
    
#define PACKAGE_VERSION "1.1.5"
    
#define PACKAGE_STRING "opus 1.1.5"
    
#define PACKAGE_BUGREPORT "opus@xiph.org"
    
#define PACKAGE_URL ""
    

    
configure: exit 77

  • What is the difference between ffmpeg -thread and ffmpeg-mt ?

    7 novembre 2018, par S B

    Post ffmpeg-mt’s merge with ffmpeg...

    March 21, 2011

    Today FFmpeg-mt, the multithreaded decoding branch, has been merged into FFmpeg. This has been a long awaited merge, and we would like to thank Alexander Strange for his patience and hard work.

    ... what is to be expected of ffmpeg -thread usage ? Is this an under-the-hood transition or are ffmpeg users supposed to move their code to ffmpeg-mt to leverage multi-cores ?

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