libtriple: add measure mode to cDemux to fix streaminfo

since the TD drivers apparently only allow each PID to be captured
once, cheat and implement the measure mode for streaminfo with
special ioctls. now streaminfo no longer breaks recordings

libtriple/dmx_td.h

@@ -4,6 +4,7 @@
 #include <cstdlib>
 #include <vector>
 extern "C" {
+#include <inttypes.h>
 #include <sys/ioctl.h>
 #include <hardware/xp/xp_osd_user.h>
 }
@@ -36,6 +37,8 @@ class cDemux
 		int num;
 		int fd;
 		int buffersize;
+		bool measure;
+		uint64_t last_measure, last_data;
 		DMX_CHANNEL_TYPE dmx_type;
 		std::vector<pes_pids> pesfds;
 	public: