psi: starting to remove psi stuff from encoder.go and put into psi package

stream/mts/encoder.go

@@ -36,6 +36,12 @@ import (
 	"time"
 
 	"bitbucket.org/ausocean/av/stream/mts/pes"
+	"bitbucket.org/ausocean/av/stream/mts/psi"
+)
+
+var (
+	patTable []byte
+	pmtTable []byte
 )
 
 const (
@@ -43,66 +49,13 @@ const (
 	psiSendCount  = 100
 )
 
-// TODO: Finish off mts/psi so that we can create pat and pmt tables instead
-// of hardcoding.
-var (
-	patTable = []byte{
-		0x00, // pointer
-
-		// ---- section included in data sent to CRC32 during check
-		// table header
-		0x00, // table id
-		0xb0, // section syntax indicator:1|private bit:1|reserved:2|section length:2|more bytes...:2
-		0x0d, // more bytes...
-
-		// syntax section
-		0x00, 0x01, // table id extension
-		0xc1, // reserved bits:3|version:5|use now:1
-		0x00, // section number
-		0x00, // last section number
-		// table data
-		0x00, 0x01, // Program number
-		0xf0, 0x00, // reserved:3|program map PID:13
-
-		// 0x2a, 0xb1, 0x04, 0xb2, // CRC
-		// ----
-	}
-	pmtTable = []byte{
-		0x00, // pointer
-
-		// ---- section included in data sent to CRC32 during check
-		// table header
-		0x02, // table id
-		0xb0, // section syntax indicator:1|private bit:1|reserved:2|section length:2|more bytes...:2
-		0x12, // more bytes...
-
-		// syntax section
-		0x00, 0x01, // table id extension
-		0xc1, // reserved bits:3|version:5|use now:1
-		0x00, // section number
-		0x00, // last section number
-		// table data
-		0xe1, 0x00, // reserved:3|PCR PID:13
-		0xf0, 0x00, // reserved:4|unused:2|program info length:10
-		// No program descriptors since program info length is 0.
-		// elementary stream info data
-		0x1b,       // stream type
-		0xe1, 0x00, // reserved:3|elementary PID:13
-		0xf0, 0x00, // reserved:4|unused:2|ES info length:10
-		// No elementary stream descriptors since ES info length is 0.
-
-		// 0x15, 0xbd, 0x4d, 0x56, // CRC
-		// ----
-	}
-)
-
 func init() {
 	// Generate IEEE polynomial table
 	// for the big-endian algorithm.
 	crcTable := crc32_MakeTable(bits.Reverse32(crc32.IEEE))
 
-	patTable = completePSI(patTable, crcTable)
+	patTable = completePSI(psi.StdPat, crcTable)
-	pmtTable = completePSI(pmtTable, crcTable)
+	pmtTable = completePSI(psi.StdPmt, crcTable)
 }
 
 func completePSI(psi []byte, tab *crc32.Table) []byte {