Fixed:compile bug.

application/HuntingCamera/CMakeLists.txt

@@ -11,6 +11,7 @@ link_directories(
     ${LIBS_OUTPUT_PATH}
     ${EXTERNAL_LIBS_OUTPUT_PATH}
     ${EXTERNAL_LIBS_OUTPUT_PATH}/libconfig/lib
+    ${EXTERNAL_LIBS_OUTPUT_PATH}/ffmpeg/lib
 )
 
 aux_source_directory(. SRC_FILES)

external/ffmpeg/README.md

@@ -15,6 +15,20 @@ ffmpeg -i input.g711a -acodec alaw output.wav
 $ ffplay video.h264
 ```
 
+* g711a音频文件转wav音频文件
+
+```code
+$ fmpeg -f mulaw -ar 8000 -i audio.g711a audio.wav
+```
+
+* 将h264和wav文件合成mp4文件
+
+**注意：未发现可以将h264和g711a文件合成mp4文件**
+
+```code
+$ ffmpeg -i video.h264 -i audio.wav -c:v copy -c:a aac -b:a 96k test.mp4
+```
+
 ## 1.2. 问题记录
 
 ### 1.2.1. avformat_open_input 执行失败