feat: support get video meta data by key

Author: mengxiaoxuan

README.md

@@ -80,6 +80,7 @@
 `build_wasm.sh` 使用ems编译wasm 和 glue code & worker code
 `build.sh` 同上以及生成dts类型
 
+如果只修改了c的代码和ts代码，直接执行`sh build_wasm.sh`即可。
 ## demo运行
 
 demo文件夹下`index.html` 使用`live server`启动即可，`live-server --port=5501`

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cheetah-capture",
-  "version": "0.2.0-beta.2",
+  "version": "0.2.0",
   "description": "cheetah-capture是基于ffmpeg的wasm截取视频帧工具",
   "keywords": [
     "ffmpeg",

script/build_ffmpeg-3.4.8.sh

@@ -13,7 +13,7 @@ rm -rf $WEB_CAPTURE_PATH/lib/ffmpeg-3.4.8
 
 cd $FFMPEG_PATH
 
-./configure --prefix=/Users/mengxiaoxuan/Downloads/web-capture-master/lib/ffmpeg-3.4.8 --disable-shared --enable-static --disable-videotoolbox --disable-audiotoolbox --disable-securetransport --disable-iconv --disable-x86asm
+./configure --prefix=$WEB_CAPTURE_PATH/lib/ffmpeg-3.4.8 --disable-shared --enable-static --disable-videotoolbox --disable-audiotoolbox --disable-securetransport --disable-iconv --disable-x86asm
 
 make -j6
 

src/index.ts

@@ -46,7 +46,7 @@ interface MapInfoType extends CallbackType{
     url?: string[];
 }
 interface CaptureInfo extends CallbackType{
-    info?: number[] | number;
+    info?: number[] | number | string;
     path?: string;
     file: File | Blob;
     returnType?: 'blob' | 'base64'; // 默认blob