stream/mts: checking data is also good in mts segment test

revid/mtsSender_test.go

@@ -38,6 +38,7 @@ import (
 	"bitbucket.org/ausocean/utils/logger"
 	"bitbucket.org/ausocean/utils/ring"
 	"github.com/Comcast/gots/packet"
+	"github.com/Comcast/gots/pes"
 )
 
 // Ring buffer sizes and read/write timeouts.
@@ -49,11 +50,18 @@ const (
 )
 
 type testSender struct {
-	Buf [][]byte
+	Buf       [][]byte
+	tstDiscon bool
+	disconAt  int
+	curPktNo  int
 }
 
 func (ts *testSender) send(d []byte) error {
+	if ts.tstDiscon && ts.curPktNo == ts.disconAt {
+		return nil
+	}
 	ts.Buf = append(ts.Buf, d)
+	ts.curPktNo++
 	return nil
 }
 
@@ -139,11 +147,100 @@ func TestSegment(t *testing.T) {
 		copy(pkt[:], firstPkt)
 		pid := (*packet.Packet)(&pkt).PID()
 		if pid != mts.PatPid {
-			t.Fatalf("First packte of clip %v is not pat, but rather: %v\n", clipNo, pid)
+			t.Fatalf("First packet of clip %v is not pat, but rather: %v\n", clipNo, pid)
+		}
+
+		// Check that the clip data is okay
+		for i := 0; i < len(clip); i += mts.PacketSize {
+			copy(pkt[:], firstPkt)
+			p := (*packet.Packet)(&pkt)
+			pid := p.PID()
+			if pid == mts.VideoPid {
+				// Mts payload
+				payload, err := p.Payload()
+				if err != nil {
+					t.Fatalf("Unexpected err: %v\n", err)
+				}
+
+				// Parse pes from the mts payload
+				pes, err := pes.NewPESHeader(payload)
+				if err != nil {
+					t.Fatalf("Unexpected err: %v\n", err)
+				}
+
+				// Get the data from the pes packet and convert to int
+				data := int(pes.Data()[0])
+
+				// Calc expected data in the pes and then check
+				expectedData := clipNo*10 + ((i / mts.PacketSize) - 2)
+				if data != expectedData {
+					t.Fatalf("Did not get expected pkt data. Got: %v, want: %v\n", data, expectedData)
+				}
+			}
 		}
 	}
 }
 
-func TestDiscontinuity(t *testing.T) {
+/*
+func TestSendFailDiscontinuity(t *testing.T) {
+	mts.Meta = meta.New()
+	// Create ringbuffer tst sender, loadsender and the mpegts encoder
+	rb := ring.NewBuffer(rbSize, rbElementSize, wTimeout)
+	const disconClipNo = 3
+	tstSender := &testSender{tstDiscon: true, disconAt: disconClipNo}
+	loadSender := newMtsSender(tstSender, log)
+	packer := tstPacker{rb: rb}
+	encoder := mts.NewEncoder(&packer, 25)
 
+	// Turn time based psi writing off for encoder
+	const psiSendCount = 10
+	encoder.TimeBasedPsi(false, psiSendCount)
+
+	const noOfPacketsToWrite = 100
+	for i := 0; i < noOfPacketsToWrite; i++ {
+		// Our payload will just be packet no
+		encoder.Encode([]byte{byte(i)})
+		rb.Flush()
+
+		next, err := rb.Next(rTimeout)
+		if err != nil {
+			t.Fatalf("Unexpected err: %v\n", err)
+		}
+
+		err = loadSender.load(next)
+		if err != nil {
+			t.Fatalf("Unexpected err: %v\n", err)
+		}
+
+		err = loadSender.send()
+		if err != nil {
+			t.Fatalf("Unexpected err: %v\n", err)
+		}
+
+		loadSender.release()
+	}
+
+	result := tstSender.Buf
+
+	// First check that we have less clips
+	expectedLen := ((noOfPacketsToWrite / psiSendCount) - 1)
+	gotLen := len(result)
+	if gotLen != expectedLen {
+		t.Fatalf("We don't have one less clip as we should. Got: %v, want: %v\n", gotLen, expectedLen)
+	}
+
+	// Now check that the discontonuity indicator is set at the disconClip pat
+	disconClip := result[disconClipNo]
+	firstPkt := disconClip[:mts.PacketSize]
+	var pkt [mts.PacketSize]byte
+	copy(pkt[:], firstPkt)
+	discon, err := (*packet.AdaptationField)((*packet.Packet)(&pkt)).Discontinuity()
+	if err != nil {
+		t.Fatalf("Unexpected err: %v\n", err)
+	}
+
+	if !discon {
+		t.Fatalf("Did not get discontinuity indicator for PAT")
+	}
 }
+*/