FFmpeg avcodec_version函数使用

简介

avcodec_version函数查询FFmpeg版本

返回值:0x00396b64（转换成十六进制方便说明）

版本的换算公式：#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

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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

结果

libavcodec 57.107.100

参考

http://ffmpeg.org/download.html

http://ffmpeg.org/doxygen/trunk/group__version__utils.html#gaaab323b60e1a6e38ec939efe881474c7