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Rennes Emotion Map 2010-11
19 octobre 2011, par
Mis à jour : Juillet 2013
Langue : français
Type : Texte
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Sur d’autres sites (8863)
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How to Compile FFmpeg with x264 and libfdk-aac for Android
12 novembre 2016, par CodeveloperEveryone.
Please understand that i use the wrong english.
I want to make encoding application using FFmpeg.
I was successfully building NDK with FFmpeg.
However, to encode H.264 video made had failed( Codec not found.. ).
I was learned that libx264 is need encode H.264 and libfdk-aac is need encode AAC.
so I tried to build the libx264 and libfdk-aac, But does not easily cross-compile.
Please tell me what I did wrong.
My Development Environment
OS : ubuntu 13.10 64bit
NDK : android-ndk-r9
FFmpeg : ffmpeg-2.0.2
x264 build : build_x264_android.sh
NDK=$ANDROID_NDK_HOME
TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64
PLATFORM=$NDK/platforms/android-9/arch-arm
CPU=arm
PREFIX=$NDK/sources/ffmpeg-2.0.2/android/$CPU
./configure --prefix=$PREFIX \
--enable-shared \
--enable-pic \
--disable-asm \
--disable-cli \
--host=arm-linux \
--cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
--sysroot=$PLATFORM
make
make install
ldconfigfdk-aac build : build_aac_android.sh
NDK=$ANDROID_NDK_HOME
CROSS_PREFIX=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-
PLATFORM=$NDK/platforms/android-9/arch-arm
CPU=arm
PREFIX=$NDK/sources/ffmpeg-2.0.2/android/$CPU
OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfpv3-d16 -marm -march=armv7-a -mthumb -D__thumb__"
./configure --prefix=$PREFIX \
--with-sysroot=$PLATFORM \
--host=arm-linux \
--enable-shared \
--with-pic=no \
CC="${CROSS_PREFIX}gcc --sysroot=$PLATFORM" \
CXX="${CROSS_PREFIX}g++ --sysroot=$PLATFORM" \
RANLIB="${CROSS_PREFIX}ranlib" \
AR="${CROSS_PREFIX}ar" \
STRIP="${CROSS_PREFIX}strip" \
NM="${CROSS_PREFIX}nm" \
CFLAGS="-O3 $OPTIMIZE_CFLAGS --sysroot=$PLATFORM" \
CXXFLAGS="-O3 $OPTIMIZE_CFLAGS --sysroot=$PLATFORM"
make
make installWhen I run ’build_aac_android.sh’, shown error.
log in config.log
configure:2907: checking for arm-linux-gcc
configure:2934: result: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/platforms/android-9/arch-arm
configure:3203: checking for C compiler version
configure:3212: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/platforms/android-9/arch-arm --version >&5
./configure: line 3214: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc: No such file or directory
configure:3223: $? = 127
configure:3212: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/platforms/android-9/arch-arm -v >&5
./configure: line 3214: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc: No such file or directory
configure:3223: $? = 127
configure:3212: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/platforms/android-9/arch-arm -V >&5
./configure: line 3214: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc: No such file or directory
configure:3223: $? = 127
configure:3212: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/platforms/android-9/arch-arm -qversion >&5
./configure: line 3214: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc: No such file or directory
configure:3223: $? = 127
configure:3243: checking whether the C compiler works
configure:3265: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/platforms/android-9/arch-arm -O3 -mfloat-abi=softfp -mfpu=vfpv3-d16 -marm -march=armv7-a -mthumb -D__thumb__ --sysroot=/platforms/android-9/arch-arm conftest.c >&5
./configure: line 3267: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc: No such file or directory
configure:3312: error: in `/home/nel/android-ndk-r9/sources/ffmpeg-2.0.2/libfdk-aac':
configure:3314: error: C compiler cannot create executables
See `config.log' for more detailsI cannot understand that error !! I was confirmed that arm-linux-androideabi-gcc is found in the directory..
I want to borrow you wisdom. Please tell me how to ’ffmpeg+x264+fdk-aac’ build for android.
Thanks.. :-)
-
How to Compile FFmpeg with x264 and libfdk-aac for Android
12 novembre 2016, par CodeveloperEveryone.
Please understand that i use the wrong english.
I want to make encoding application using FFmpeg.
I was successfully building NDK with FFmpeg.
However, to encode H.264 video made had failed( Codec not found.. ).
I was learned that libx264 is need encode H.264 and libfdk-aac is need encode AAC.
so I tried to build the libx264 and libfdk-aac, But does not easily cross-compile.
Please tell me what I did wrong.
My Development Environment
OS : ubuntu 13.10 64bit
NDK : android-ndk-r9
FFmpeg : ffmpeg-2.0.2
x264 build : build_x264_android.sh
NDK=$ANDROID_NDK_HOME
TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64
PLATFORM=$NDK/platforms/android-9/arch-arm
CPU=arm
PREFIX=$NDK/sources/ffmpeg-2.0.2/android/$CPU
./configure --prefix=$PREFIX \
--enable-shared \
--enable-pic \
--disable-asm \
--disable-cli \
--host=arm-linux \
--cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
--sysroot=$PLATFORM
make
make install
ldconfigfdk-aac build : build_aac_android.sh
NDK=$ANDROID_NDK_HOME
CROSS_PREFIX=$NDK/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-
PLATFORM=$NDK/platforms/android-9/arch-arm
CPU=arm
PREFIX=$NDK/sources/ffmpeg-2.0.2/android/$CPU
OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfpv3-d16 -marm -march=armv7-a -mthumb -D__thumb__"
./configure --prefix=$PREFIX \
--with-sysroot=$PLATFORM \
--host=arm-linux \
--enable-shared \
--with-pic=no \
CC="${CROSS_PREFIX}gcc --sysroot=$PLATFORM" \
CXX="${CROSS_PREFIX}g++ --sysroot=$PLATFORM" \
RANLIB="${CROSS_PREFIX}ranlib" \
AR="${CROSS_PREFIX}ar" \
STRIP="${CROSS_PREFIX}strip" \
NM="${CROSS_PREFIX}nm" \
CFLAGS="-O3 $OPTIMIZE_CFLAGS --sysroot=$PLATFORM" \
CXXFLAGS="-O3 $OPTIMIZE_CFLAGS --sysroot=$PLATFORM"
make
make installWhen I run ’build_aac_android.sh’, shown error.
log in config.log
configure:2907: checking for arm-linux-gcc
configure:2934: result: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/platforms/android-9/arch-arm
configure:3203: checking for C compiler version
configure:3212: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/platforms/android-9/arch-arm --version >&5
./configure: line 3214: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc: No such file or directory
configure:3223: $? = 127
configure:3212: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/platforms/android-9/arch-arm -v >&5
./configure: line 3214: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc: No such file or directory
configure:3223: $? = 127
configure:3212: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/platforms/android-9/arch-arm -V >&5
./configure: line 3214: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc: No such file or directory
configure:3223: $? = 127
configure:3212: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/platforms/android-9/arch-arm -qversion >&5
./configure: line 3214: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc: No such file or directory
configure:3223: $? = 127
configure:3243: checking whether the C compiler works
configure:3265: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc --sysroot=/platforms/android-9/arch-arm -O3 -mfloat-abi=softfp -mfpu=vfpv3-d16 -marm -march=armv7-a -mthumb -D__thumb__ --sysroot=/platforms/android-9/arch-arm conftest.c >&5
./configure: line 3267: /toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc: No such file or directory
configure:3312: error: in `/home/nel/android-ndk-r9/sources/ffmpeg-2.0.2/libfdk-aac':
configure:3314: error: C compiler cannot create executables
See `config.log' for more detailsI cannot understand that error !! I was confirmed that arm-linux-androideabi-gcc is found in the directory..
I want to borrow you wisdom. Please tell me how to ’ffmpeg+x264+fdk-aac’ build for android.
Thanks.. :-)
-
.MKV to .MP4 choosing the audio and subtitles ?
11 décembre 2016, par Leo LettoThe following stream belongs to a .mkv file with dual audio ;
Stream #0:0: Video: h264 (High), yuv420p(progressive), 1280x960 [SAR 1:1 DAR 4:3], 29.97 fps, 29.97 tbr, 1k tbn, 59.94 tbc (default)
Stream #0:1(eng): Audio: mp3, 48000 Hz, stereo, s16p, 256 kb/s (default)
Stream #0:2(por): Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s
Stream #0:3(eng): Subtitle: ass (default)Which ffmpeg command should I use to create an output with the language in Portuguese, already with the English subtitles ?
I found some commands that can extract the language-based caption that I specify, but I didn’t find anything related to selecting the audio type.
This is the entire output from ffmpeg :
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
libavutil 55. 41.101 / 55. 41.101
libavcodec 57. 66.108 / 57. 66.108
libavformat 57. 58.101 / 57. 58.101
libavdevice 57. 2.100 / 57. 2.100
libavfilter 6. 67.100 / 6. 67.100
libswscale 4. 3.101 / 4. 3.101
libswresample 2. 4.100 / 2. 4.100
libpostproc 54. 2.100 / 54. 2.100
Input #0, matroska,webm, from 'mydualmkv.mkv':
Metadata:
title : Avidemux
encoder : libebml v1.2.3 + libmatroska v1.3.0
creation_time : 2015-08-04T15:25:49.000000Z
Duration: 00:23:37.44, start: 0.000000, bitrate: 1908 kb/s
Stream #0:0: Video: h264 (High), yuv420p(progressive), 1280x960 [SAR 1:1 DAR 4:3], 29.97 fps, 29.97 tbr, 1k tbn, 59.94 tbc (default)
Stream #0:1(eng): Audio: mp3, 48000 Hz, stereo, s16p, 256 kb/s (default)
Stream #0:2(pot): Audio: ac3, 48000 Hz, stereo, fltp, 192 kb/s
Stream #0:3(eng): Subtitle: ass (default)
[mp4 @ 0000000000c36700] track 1: codec frame size is not set
Output #0, mp4, to 'path-to-output.mp4':
Metadata:
title : Avidemux
encoder : Lavf57.58.101
Stream #0:0: Video: h264 (High) ([33][0][0][0] / 0x0021), yuv420p(progressive), 1280x960 [SAR 1:1 DAR 4:3], q=2-31, 29.97 fps, 29.97 tbr, 16k tbn, 1k tbc (default)
Stream #0:1(por): Audio: ac3 ([165][0][0][0] / 0x00A5), 48000 Hz, stereo, fltp, 192 kb/s
Stream #0:2(eng): Subtitle: mov_text ([8][0][0][0] / 0x0008) (default)
Metadata:
encoder : Lavc57.66.108 mov_text
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream #0:2 -> #0:1 (copy)
Stream #0:3 -> #0:2 (ass (ssa) -> mov_text (native))
Press [q] to stop, [?] for help
frame= 5451 fps=0.0 q=-1.0 size= 39273kB time=00:03:01.89 bitrate=1768.7kbits/s speed= 363x
frame=11708 fps=11695 q=-1.0 size= 79743kB time=00:06:30.62 bitrate=1672.3kbits/s speed= 390x
frame=17902 fps=11926 q=-1.0 size= 122134kB time=00:09:57.60 bitrate=1674.2kbits/s speed= 398x
frame=24717 fps=12352 q=-1.0 size= 166885kB time=00:13:44.83 bitrate=1657.4kbits/s speed= 412x
frame=31995 fps=12792 q=-1.0 size= 211010kB time=00:17:47.74 bitrate=1618.9kbits/s speed= 427x
frame=38979 fps=12988 q=-1.0 size= 260758kB time=00:21:40.64 bitrate=1642.4kbits/s speed= 433x
frame=42478 fps=13076 q=-1.0 Lsize= 286844kB time=00:23:37.31 bitrate=1657.9kbits/s speed= 436x
video:252490kB audio:33218kB subtitle:11kB other streams:0kB global headers:0kB muxing overhead: 0.393387%