播放CHD的MKV文件提示不支持加密媒体是怎么回事？

bqsc

用完美解码就可以播放，说明文件没有损坏，为何POT播不了？




File Source (Async.)::Output
==========================
无法获取 音频|视频 信息.(不支持播放加密媒体)
==========================

媒体类型 0:
--------------------------
未知
[ AM_MEDIA_TYPE ]
+ majortype: MEDIATYPE_Stream {E436EB83-524F-11CE-9F53-0020AF0BA770}
+ subtype: Unknown GUID Name {49952F4C-3EDC-4A9B-8906-1DE02A3D4BC2}
+ formattype: TIME_FORMAT_NONE {00000000-0000-0000-0000-000000000000}
+ bFixedSizeSamples: 1
+ bTemporalCompression: 0
+ lSampleSize: 1
+ cbFormat: 0

==========================
无法获取 音频|视频 信息.(不支持播放加密媒体)
==========================

媒体类型 1:
--------------------------
未知
[ AM_MEDIA_TYPE ]
+ majortype: MEDIATYPE_Stream {E436EB83-524F-11CE-9F53-0020AF0BA770}
+ subtype: TIME_FORMAT_NONE {00000000-0000-0000-0000-000000000000}
+ formattype: TIME_FORMAT_NONE {00000000-0000-0000-0000-000000000000}
+ bFixedSizeSamples: 1
+ bTemporalCompression: 0
+ lSampleSize: 1
+ cbFormat: 0