利用Java调用FFmpeg,提取视频的exif信息
1, FFmpeg
1,下载地址
http://ffmpeg.org/releases/
2,安装:
$ sudo apt-get install yasm
$ ./configure --enable-shared --prefix=/home/work/soft/ffmpeg/
$ make #漫长的等待
$ sudo make install
3,安装成功:
异常及解决方法:
$ /home/work/soft/ffmpeg/bin/ffmpeg
提示:ffmpeg:error while loading shared libraries: libavdevice.so.58: cannot open shared object file: No such file or directory...
$ sudo find / -name libavdevice.so.58 #会出现类似以下内容
/home/wangsai/soft/ffmpeg-4.0/libavdevice/libavdevice.so.58
find: ‘/run/user/1000/gvfs’: Permission denied
/usr/local/ffmpeg/lib/libavdevice.so.58
$ sudo vim /etc/ld.so.conf #把下面的内容添加进去.
/usr/local/ffmpeg/lib/libavdevice.so.58
/home/wangsai/soft/ffmpeg-4.0/libavdevice/libavdevice.so.58
/usr/local/ffmpeg/lib
$ sudo ldconfig
正常:
$ /home/work/soft/ffmpeg/bin/ffmpeg #会出现以下类似内容
ffmpeg version 4.0 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.9) 20160609
configuration: --enable-shared --prefix=/usr/local/ffmpeg
libavutil 56. 14.100 / 56. 14.100
libavcodec 58. 18.100 / 58. 18.100
libavformat 58. 12.100 / 58. 12.100
libavdevice 58. 3.100 / 58. 3.100
libavfilter 7. 16.100 / 7. 16.100
libswscale 5. 1.100 / 5. 1.100
libswresample 3. 1.100 / 3. 1.100
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
.mp4, .mov, .rmvb, .flv, .3gp, .f4v, others...
1 命令行提取Demo
.your path/bin/ffprobe -i 文件名 需要提取的参数
1.1 Demo1,提取视频长宽高、时长、旋转信息
.your path/bin/ffprobe -i filename -select_streams v:0 -show_entries stream=width,height,duration:stream_tags=rotate:format_tags -v quiet -of json
1.2 Demo2,提取等视频长宽高、帧率、时长、旋转信息、编码方式
.your path/bin/ffprobe -i 文件名
-select_streams v:0
-show_entries stream=codec_name,codec_long_name,width,height,color_range,color_space,color_transfer,color_primaries,
chroma_location,r_frame_rate,avg_frame_rate,start_time,duration_ts,duration,bit_rate,bits_per_raw_sample:stream_tags=rotate:format=format_name,format_long_name,probe_score:format_tags
-v quiet -of json
2 视频EXIF字段信息说明: https://wcs.chinanetcenter.com/document/API/Appendix/avinfo-description
3 更多命令行参数,参考: http://ffmpeg.org/documentation.html
4 视频旋转信息说明,参考: http://note.youdao.com/noteshare?id=72e9afa826efa0228cf374779cbc9313
参考: ../cn.wangsai.VideoExifExtractor.main