chome essential dll, has copied from chome original instalation path but it wasn t modyfied

ffmpeg-php音视频处理文件、流媒体技术web开发，ffmpeg文档(ffmpeg-php-5.3.1-all ffmpeg-php-5.3.1-all\avcodec-52.dll ffmpeg-php-5.3.1-all\avcore-0.dll ffmpeg-php-5.3.1-all\avdevice-52.dll ffmpeg-php-5.3.1-all\avfilter-1.dll ffmpeg-php-5.3.1-all\avformat-52.dll