FFmpeg下載及安裝

2022年7月11日

https://ffmpeg.zeranoe.com/builds/ 網站掛了

一、 FFmpeg下載

1.1 windows方法一

https://ffmpeg.org/download.html#build-windows

ffmpeg-4.4.1-full_build.7z 、ffmpeg-4.4.1-full_build-shared.7z 區別：1. ffmpeg-4.4.1-full_build.7z:版本只包含了ffmpeg.exe、ffplay.exe、ffprobe.exe三個可執行程序，沒有頭文件和庫文件。 2. ffmpeg-4.4.1-full_build-shared.7z exe:版本包含了ffmpeg.exe、ffplay.exe、ffprobe.exe三個可執行程序和相關動態庫文件,包含了頭文件和庫文件。

1.2 windows方法二

zeranoe編譯FFmpeg掛了 ，可以訪問 FFmpeg-Builds。

ffmpeg-n4.4-latest-win64-gpl-shared-4.4.zip 目標平臺：win64

• 參數說明

  Available targets:

  • win64 (x86_64 Windows)
  • win32 (x86 Windows)
  • linux64 (x86_64 Linux, glibc>=2.23, linux>=4.4)
  • linuxarm64 (arm64 (aarch64) Linux, glibc>=2.27, linux>=4.15)

  The linuxarm64 target will not build some dependencies due to lack of arm64 (aarch64) architecture support or cross-compiling restrictions.

  • davs2 and xavs2: aarch64 support is broken.
  • libmfx and libva: Library for Intel QSV, so there is no aarch64 support.

  Available:

  • gpl Includes all dependencies, even those that require full GPL instead of just LGPL.
  • lgpl Lacking libraries that are GPL-only. Most prominently libx264 and libx265.
  • nonfree Includes fdk-aac in addition to all the dependencies of the gpl variant.
  • gpl-shared Same as gpl, but comes with the libav* family of shared libs instead of pure static executables.
  • lgpl-shared Same again, but with the lgpl set of dependencies.
  • nonfree-shared Same again, but with the nonfree set of dependencies.

  All of those can be optionally combined with any combination of addins.

  • 4.4 to build from the 4.4 release branch instead of master.
  • 5.0 to build from the 5.0 release branch instead of master.
  • debug to not strip debug symbols from the binaries. This increases the output size by about 250MB.

1.3 Linux下載安裝

二、 FFmpeg安裝

2.1 windows下安裝

# 解壓后將/bin 文件夾添加系統環境變量 ffmpeg -version

2.2 Linux下安裝

三、測試

3.1 FFmpeg安裝目錄

FFmpeg安裝目錄如下，將include和lib文件夾copy 項目文件中；

# FFmpeg 安裝目錄文件結構 ├─bin ├─doc ├─include │ ├─libavcodec │ ├─libavdevice │ ├─libavfilter │ ├─libavformat │ ├─libavutil │ ├─libpostproc │ ├─libswresample │ └─libswscale ├─lib └─presets

3.2 新建項目測試

QT --> Projects-->New--> 選擇Plain C++ Application

從FFmpeg安裝目錄如下，將include和lib文件夾copy 項目文件中，.pro添加ffmpeg的include和lib文件夾

INCLUDEPATH += $$PWD/include LIBS += $$PWD/lib/avformat.lib \$$PWD/lib/avcodec.lib \$$PWD/lib/avdevice.lib \$$PWD/lib/avfilter.lib \$$PWD/lib/avutil.lib \$$PWD/lib/postproc.lib \$$PWD/lib/swresample.lib \$$PWD/lib/swscale.lib

FFmpeg測試輸出版本信息

#include <stdio.h>// 包含ffmpeg頭文件 #include "libavutil/avutil.h"int main() {printf("Hello FFMPEG, av_version_info is %s\n",av_version_info());printf("avutil_configuration is \n%s\n",avutil_configuration());return 0; }

FFmpeg測試結果輸出

總結

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