ubuntu22.04 安装ffmpeg
wget https://ffmpeg.org/releases/ffmpeg-7.0.1.tar.xz
tar -xvf ffmpeg-7.0.1.tar.xz
sudo apt-get install gcc g++ cmake make pkgconf -y
mkdir -p ~/util/ffmpeg/lib
cd ffmpeg-7.0.1
./configure --prefix="/home/ip3/util/ffmpeg" --enable-gpl --enable-nonfree --enable-ffplay --enable-libfdk-aac --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-filter=delogo --enable-debug --disable-optimizations --enable-libspeex --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --extra-cflags=-I/home/ip3/util/ffmpeg/include --extra-ldflags=-L/home/ip3/util/ffmpeg/lib缺少库文件之后 安装下面的文件，不安装可能会报各种错误
wget http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz
tar -zxvf yasm-1.3.0.tar.gz
cd yasm-1.3.0
./configure --prefix=/home/ip3/util/ffmpeg
make -j16
sudo make install
export PATH=$PATH:/home/ip3/util/ffmpeg/binwget https://zenlayer.dl.sourceforge.net/project/opencore-amr/fdk-aac/fdk-aac-2.0.3.tar.gz
tar -zxvf fdk-aac-2.0.3.tar.gz
cd fdk-aac-2.0.3/
./configure --prefix=/home/ip3/util/ffmpeg/
make -j16
sudo make install
export PKG_CONFIG_PATH=/home/cat/util/ffmpeg/lib/pkgconfig/wget https://zenlayer.dl.sourceforge.net/project/lame/lame/3.100/lame-3.100.tar.gz
tar -zxvf lame-3.100.tar.gz
cd lame-3.100/
./configure --enable-shared --prefix=/home/ip3/util/ffmpeg/
make -j16
sudo make installERROR: speex not found using pkg-configwget https://ftp.osuosl.org/pub/xiph/releases/speex/speex-1.2.1.tar.gz
tar -zxvf speex-1.2.1.tar.gz
cd speex-1.2.1/
./configure --prefix=/home/ip3/util/ffmpeg/
make -j16
sudo make installERROR: x264 not found using pkg-configwget https://code.videolan.org/videolan/x264/-/archive/master/x264-master.tar.bz2
tar -jxvf x264-master.tar.bz2
cd x264-master/
./configure --prefix=/home/ip3/util/ffmpeg/ --disable-asm --enable-static --enable-shared
make -j16
sudo make installERROR: x265 not found using pkg-configwget http://ftp.videolan.org/pub/videolan/x265/x265_3.2.tar.gz
tar -zxvf x265_3.2.tar.gz
cd x265_3.2/build/linux
./make-Makefiles.bash
make -j16
sudo make installwget https://github.com/libsdl-org/SDL/archive/refs/tags/release-2.30.5.tar.gz
tar -zxvf release-2.30.5.tar.gz
cd SDL-release-2.30.5
./configure --prefix=/home/ip3/util/ffmpeg/
make -j16
sudo make installcd cd ffmpeg-7.0.1
./configure --prefix="/home/ip3/util/ffmpeg" --enable-gpl --enable-nonfree --enable-ffplay --enable-libfdk-aac --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-filter=delogo --enable-debug --disable-optimizations --enable-libspeex --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --extra-cflags=-I/home/ip3/util/ffmpeg/include --extra-ldflags=-L/home/ip3/util/ffmpeg/lib
make -j16
sudo make install
将ffmpeg程序目录添加到PATH
sudo vim ~/.bashrc，在profile文件末尾添加export PATH=“/home/ip3/util/ffmpeg/bin/:$PATH”，将/home/ip3/util/ffmpeg/bin/替换为ffmpeg的安装目录
export PATH="/home/ip3/util/ffmpeg/bin/:$PATH"sudo vim /etc/ld.so.conf，在ld.so.conf文件末尾添加库文件路径/home/ip3/util/ffmpeg/lib，执行ldconfig命令
ffmpeg 转换mp4到h264文件
Projects/video$ ffmpeg -i 190204084208765161.mp4 -vcodec h264 xxx.h264
ffmpeg version 7.0.1 Copyright (c) 2000-2024 the FFmpeg developersbuilt with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04)configuration: --prefix=/home/ip3/util/ffmpeg --enable-gpl --enable-nonfree --enable-ffplay --enable-libfdk-aac --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-filter=delogo --enable-debug --disable-optimizations --enable-libspeex --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --extra-cflags=-I/home/ip3/util/ffmpeg/include --extra-ldflags=-L/home/ip3/util/ffmpeg/liblibavutil 59. 8.100 / 59. 8.100libavcodec 61. 3.100 / 61. 3.100libavformat 61. 1.100 / 61. 1.100libavdevice 61. 1.100 / 61. 1.100libavfilter 10. 1.100 / 10. 1.100libswscale 8. 1.100 / 8. 1.100libswresample 5. 1.100 / 5. 1.100libpostproc 58. 1.100 / 58. 1.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '190204084208765161.mp4':Metadata:major_brand : isomminor_version : 512compatible_brands: isomiso2avc1mp41encoder : www.aliyun.com - Media TranscodingDuration: 00:00:31.09, start: 0.000000, bitrate: 1092 kb/sStream #0:0[0x1](und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1000x416 [SAR 3328:3325 DAR 320:133], 958 kb/s, 24 fps, 24 tbr, 12288 tbn (default)Metadata:handler_name : VideoHandlervendor_id : [0][0][0][0]Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)Metadata:handler_name : SoundHandlervendor_id : [0][0][0][0]
Stream mapping:Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[libx264 @ 0x5d059dcfe680] using SAR=3328/3325
[libx264 @ 0x5d059dcfe680] using cpu capabilities: none!
[libx264 @ 0x5d059dcfe680] profile High, level 3.1, 4:2:0, 8-bit
Output #0, h264, to 'xxx.h264':Metadata:major_brand : isomminor_version : 512compatible_brands: isomiso2avc1mp41encoder : Lavf61.1.100Stream #0:0(und): Video: h264, yuv420p(tv, bt709, progressive), 1000x416 [SAR 3328:3325 DAR 320:133], q=2-31, 24 fps, 24 tbn (default)Metadata:handler_name : VideoHandlervendor_id : [0][0][0][0]encoder : Lavc61.3.100 libx264Side data:cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
[out#0/h264 @ 0x5d059dd00540] video:3556KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: 0.000000%
frame= 746 fps= 74 q=-1.0 Lsize= 3556KiB time=00:00:31.00 bitrate= 939.7kbits/s speed=3.05x
[libx264 @ 0x5d059dcfe680] frame I:35 Avg QP:18.85 size: 18159
[libx264 @ 0x5d059dcfe680] frame P:325 Avg QP:22.46 size: 6011
[libx264 @ 0x5d059dcfe680] frame B:386 Avg QP:23.88 size: 2726
[libx264 @ 0x5d059dcfe680] consecutive B-frames: 21.6% 23.1% 15.7% 39.7%
[libx264 @ 0x5d059dcfe680] mb I I16..4: 33.1% 40.6% 26.3%
[libx264 @ 0x5d059dcfe680] mb P I16..4: 19.6% 20.7% 2.4% P16..4: 26.3% 7.1% 2.1% 0.0% 0.0% skip:21.8%
[libx264 @ 0x5d059dcfe680] mb B I16..4: 3.3% 4.5% 0.7% B16..8: 29.5% 4.7% 0.7% direct: 1.9% skip:54.6% L0:49.0% L1:45.6% BI: 5.4%
[libx264 @ 0x5d059dcfe680] 8x8 transform intra:47.8% inter:70.8%
[libx264 @ 0x5d059dcfe680] coded y,uvDC,uvAC intra: 32.3% 56.0% 9.5% inter: 8.8% 11.6% 0.2%
[libx264 @ 0x5d059dcfe680] i16 v,h,dc,p: 29% 24% 12% 34%
[libx264 @ 0x5d059dcfe680] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 21% 27% 5% 4% 4% 4% 5% 5%
[libx264 @ 0x5d059dcfe680] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 20% 15% 7% 8% 7% 7% 6% 6%
[libx264 @ 0x5d059dcfe680] i8c dc,h,v,p: 51% 22% 20% 6%
[libx264 @ 0x5d059dcfe680] Weighted P-Frames: Y:5.8% UV:4.9%
[libx264 @ 0x5d059dcfe680] ref P L0: 71.7% 13.5% 11.2% 3.6% 0.1%
[libx264 @ 0x5d059dcfe680] ref B L0: 90.4% 8.3% 1.3%
[libx264 @ 0x5d059dcfe680] ref B L1: 98.5% 1.5%
[libx264 @ 0x5d059dcfe680] kb/s:937.16
如果安装之后缺少还某些库文件 ，重新编译对应的库文件，不要配置–prefix=/home/ip3/util/ffmpeg/
会自动安装到 /usr/local/lib目录下
