class output;\r
class ogl_device;\r
struct video_format_desc;\r
+class video_channel_context;\r
\r
class video_channel : boost::noncopyable\r
{\r
safe_ptr<mixer> mixer();\r
safe_ptr<output> output();\r
\r
+ video_channel_context& context();\r
+\r
video_format_desc get_video_format_desc() const;\r
void set_video_format_desc(const video_format_desc& format_desc);\r
\r