簡介
avcodec_version函數查詢FFmpeg版本
返回值:0x00396b64（轉換成十六進制方便說明）
版本的換算公式：#define AV_VERSION_INT(a, b, c) ((a)<<16 | (b)<<8 | (c))
39
39 16*3+9 = 57
6b 6*16+11 =107
64 6*16+4 = 100
瀏覽最新官網
FFmpeg 3.4 "Cantor"
3.4 was released on 2017-10-15. It is the latest stable FFmpeg release from the 3.4 release branch, which was cut from master on 2017-10-11.
It includes the following library versions:
libavutil 55. 78.100
libavcodec 57.107.100
libavformat 57. 83.100
libavdevice 57. 10.100
libavfilter 6.107.100
libavresample 3. 7. 0
libswscale 4. 8.100
libswresample 2. 9.100
libpostproc 54. 7.100
結果
libavcodec 57.107.100
參考
http://ffmpeg.org/download.html
http://ffmpeg.org/doxygen/trunk/group__version__utils.html#gaaab323b60e1a6e38ec939efe881474c7