enlarge the pip to w=96:h=72

@@ -31,7 +31,7 @@ uid_811375464_20180203013322272__uid_4165000_20180203013327202.txt内容如下
 第一行，音视频合并时缺省视频编码参数，缺省值为：-vcodec libx264 -level 3.1 -preset veryfast -g 100 -r 20 -bf 0 -vsync cfr
 第一行，音视频合并时缺省音频编码参数，缺省值为：-acodec copy
 第三行，合并画中画时的音视频编码参数，缺省值为：-acodec aac -vcodec libx264 -level 3.1 -preset veryfast -g 100 -r 20 -bf 0 -vsync cfr
-第四行，合并画中画时音视频合并filter参数，缺省值为：-filter_complex "[1:v]scale=w=80:h=60:force_original_aspect_ratio=decrease[b];[0:v][b]overlay=x=0:y=0" -filter_complex amix=inputs=2:duration=first:dropout_transition=2,volume=1
+第四行，合并画中画时音视频合并filter参数，缺省值为：-filter_complex "[1:v]scale=w=96:h=72:force_original_aspect_ratio=decrease[b];[0:v][b]overlay=x=0:y=0" -filter_complex amix=inputs=2:duration=first:dropout_transition=2,volume=1
 
 
 

@@ -105,7 +105,7 @@ void get_config_path(){
 const char * default_vcodec_param = "-vcodec libx264 -level 3.1 -preset veryfast -g 100 -r 20 -bf 0 -vsync cfr";
 const char * default_acodec_param = "-acodec copy";
 const char * default_av_codec_param = "-acodec aac -vcodec libx264 -level 3.1 -preset veryfast -g 100 -r 20 -bf 0 -vsync cfr";
-const char * default_pip_param = "-filter_complex \"[1:v]scale=w=80:h=60:force_original_aspect_ratio=decrease[b];[0:v][b]overlay=x=0:y=0\" -filter_complex amix=inputs=2:duration=first:dropout_transition=2,volume=1";
+const char * default_pip_param = "-filter_complex \"[1:v]scale=w=96:h=72:force_original_aspect_ratio=decrease[b];[0:v][b]overlay=x=0:y=0\" -filter_complex amix=inputs=2:duration=first:dropout_transition=2,volume=1";
 
 
 char av_codec_param[1024];