From e6d0f0d679cfa18cb27bbcf9f9c795c3bdee7878 Mon Sep 17 00:00:00 2001
From: Quentin Renard <contact@asticode.com>
Date: Tue, 23 Jun 2020 14:08:15 +0200
Subject: [PATCH] Fixed ClockReference for 32 bits

---
 clock_reference.go | 4 ++--
 data_pes.go        | 4 ++--
 packet.go          | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/clock_reference.go b/clock_reference.go
index 9d31c67..73c147c 100644
--- a/clock_reference.go
+++ b/clock_reference.go
@@ -7,11 +7,11 @@ import (
 // ClockReference represents a clock reference
 // Base is based on a 90 kHz clock and extension is based on a 27 MHz clock
 type ClockReference struct {
-	Base, Extension int
+	Base, Extension int64
 }
 
 // newClockReference builds a new clock reference
-func newClockReference(base, extension int) *ClockReference {
+func newClockReference(base, extension int64) *ClockReference {
 	return &ClockReference{
 		Base:      base,
 		Extension: extension,
diff --git a/data_pes.go b/data_pes.go
index b84f051..858d911 100644
--- a/data_pes.go
+++ b/data_pes.go
@@ -397,7 +397,7 @@ func parsePTSOrDTS(i *astikit.BytesIterator) (cr *ClockReference, err error) {
 		err = fmt.Errorf("astits: fetching next bytes failed: %w", err)
 		return
 	}
-	cr = newClockReference(int(uint64(bs[0])>>1&0x7<<30|uint64(bs[1])<<22|uint64(bs[2])>>1&0x7f<<15|uint64(bs[3])<<7|uint64(bs[4])>>1&0x7f), 0)
+	cr = newClockReference(int64(uint64(bs[0])>>1&0x7<<30|uint64(bs[1])<<22|uint64(bs[2])>>1&0x7f<<15|uint64(bs[3])<<7|uint64(bs[4])>>1&0x7f), 0)
 	return
 }
 
@@ -409,6 +409,6 @@ func parseESCR(i *astikit.BytesIterator) (cr *ClockReference, err error) {
 		return
 	}
 	escr := uint64(bs[0])>>3&0x7<<39 | uint64(bs[0])&0x3<<37 | uint64(bs[1])<<29 | uint64(bs[2])>>3<<24 | uint64(bs[2])&0x3<<22 | uint64(bs[3])<<14 | uint64(bs[4])>>3<<9 | uint64(bs[4])&0x3<<7 | uint64(bs[5])>>1
-	cr = newClockReference(int(escr>>9), int(escr&0x1ff))
+	cr = newClockReference(int64(escr>>9), int64(escr&0x1ff))
 	return
 }
diff --git a/packet.go b/packet.go
index 1bc1402..375980e 100644
--- a/packet.go
+++ b/packet.go
@@ -299,6 +299,6 @@ func parsePCR(i *astikit.BytesIterator) (cr *ClockReference, err error) {
 		return
 	}
 	pcr := uint64(bs[0])<<40 | uint64(bs[1])<<32 | uint64(bs[2])<<24 | uint64(bs[3])<<16 | uint64(bs[4])<<8 | uint64(bs[5])
-	cr = newClockReference(int(pcr>>15), int(pcr&0x1ff))
+	cr = newClockReference(int64(pcr>>15), int64(pcr&0x1ff))
 	return
 }