From 82a7949a64961c29a6e191110e6df054a40adc8a Mon Sep 17 00:00:00 2001
From: Fernando Partida <ferpart@hotmail.com>
Date: Thu, 6 Feb 2025 15:57:45 -0600
Subject: [PATCH 1/3] feat: get zencoder/chrono

---
 go.mod | 8 ++++++--
 go.sum | 4 ++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/go.mod b/go.mod
index 5d30ca7..92fddd8 100644
--- a/go.mod
+++ b/go.mod
@@ -4,10 +4,14 @@ go 1.23
 
 toolchain go1.23.2
 
-require github.com/Comcast/scte35-go v1.4.6
+require (
+	github.com/Comcast/scte35-go v1.4.6
+	github.com/go-chrono/chrono v0.0.0-20250124203826-0422557264a6
+)
+
+replace github.com/go-chrono/chrono v0.0.0-20250124203826-0422557264a6 => github.com/zencoder/chrono v0.0.0-20250206215435-caf544c317b8
 
 require (
 	github.com/bamiaux/iobit v0.0.0-20170418073505-498159a04883 // indirect
-	github.com/go-chrono/chrono v0.0.0-20250124203826-0422557264a6 // indirect
 	golang.org/x/text v0.16.0 // indirect
 )
diff --git a/go.sum b/go.sum
index ebbdccd..3d2548d 100644
--- a/go.sum
+++ b/go.sum
@@ -4,12 +4,12 @@ github.com/bamiaux/iobit v0.0.0-20170418073505-498159a04883 h1:XNtOMwxmV2PI/vuTH
 github.com/bamiaux/iobit v0.0.0-20170418073505-498159a04883/go.mod h1:9IjZnSQGh45J46HHS45pxuMJ6WFTtSXbaX0FoHDvxh8=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/go-chrono/chrono v0.0.0-20250124203826-0422557264a6 h1:bZajBUDqyayXRqKAD/wX8AVPOeuFvwLAwTZFCvWnohs=
-github.com/go-chrono/chrono v0.0.0-20250124203826-0422557264a6/go.mod h1:uTWQdzrjtft2vWY+f+KQ9e3DXHsP0SzhE5SLIicFo08=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/zencoder/chrono v0.0.0-20250206215435-caf544c317b8 h1:n+6tdnT5G9v550Vj+xtQl8+7YI4OZgVCUXtBb+RNp+4=
+github.com/zencoder/chrono v0.0.0-20250206215435-caf544c317b8/go.mod h1:uTWQdzrjtft2vWY+f+KQ9e3DXHsP0SzhE5SLIicFo08=
 golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
 golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

From aeea6ea81dff99161985da0d7592b8d19bd8c44a Mon Sep 17 00:00:00 2001
From: Fernando Partida <ferpart@hotmail.com>
Date: Thu, 6 Feb 2025 15:58:12 -0600
Subject: [PATCH 2/3] chore: add failing test

---
 mpd/duration_test.go | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/mpd/duration_test.go b/mpd/duration_test.go
index a7c931d..3ee94e0 100644
--- a/mpd/duration_test.go
+++ b/mpd/duration_test.go
@@ -10,11 +10,13 @@ import (
 
 func TestDuration(t *testing.T) {
 	in := map[string]string{
-		"0.5ms": "PT0.0005S",
-		"7ms":   "PT0.007S",
-		"0s":    "PT0S",
-		"6m16s": "PT6M16S",
-		"1.97s": "PT1.97S",
+		"0.5ms":        "PT0.0005S",
+		"7ms":          "PT0.007S",
+		"0s":           "PT0S",
+		"6m16s":        "PT6M16S",
+		"1.97s":        "PT1.97S",
+		"4988000000ns": "PT4.988S",
+		"2h4m30s7ms":   "PT2H4M30.007S",
 	}
 	for ins, ex := range in {
 		t.Run(ins, func(t *testing.T) {

From fe44db1b4a271a2d824fdc62b0d2253c42e7c82b Mon Sep 17 00:00:00 2001
From: Fernando Partida <ferpart@hotmail.com>
Date: Thu, 6 Feb 2025 15:58:25 -0600
Subject: [PATCH 3/3] feat: ser custom fmt/prec

---
 mpd/duration.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mpd/duration.go b/mpd/duration.go
index be973c7..65be776 100644
--- a/mpd/duration.go
+++ b/mpd/duration.go
@@ -33,6 +33,8 @@ func (d *Duration) String() string {
 		return "PT0S"
 	}
 
+	chrono.Fmt, chrono.Prec = 'g', 11
+
 	return chrono.DurationOf(chrono.Extent(*d)).String()
 }