From 4807b4fcb6a736852390e21acd431fdd870ed26b Mon Sep 17 00:00:00 2001
From: Saxon <saxon@ausocean.org>
Date: Wed, 24 Jul 2019 00:17:57 +0930
Subject: [PATCH] container/mts/mpegts.go: added some commenting to
 MediaStreams

---
 container/mts/mpegts.go | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/container/mts/mpegts.go b/container/mts/mpegts.go
index f2a9ae0b..420f6842 100644
--- a/container/mts/mpegts.go
+++ b/container/mts/mpegts.go
@@ -636,6 +636,20 @@ func Streams(p []byte) ([]gotspsi.PmtElementaryStream, error) {
 // after. We also assume that this MPEG-TS stream contains just one program,
 // but this program may contain different streams, i.e. a video stream + audio
 // stream.
+//
+// A gotspsi.PmtElementaryStream will give stream type from
+// gotspsi.PmtElementaryStream.StreamType() and PID from
+// gotspsi.PmtElementaryStream.ElementaryPid().
+//
+// PmtStreamTypes from gots/psi are defined as follows:
+// PmtStreamTypeMpeg2VideoH262 uint8 = 2  // H262
+// PmtStreamTypeMpeg4Video     uint8 = 27 // H264
+// PmtStreamTypeMpeg4VideoH264 uint8 = 27 // H264
+// PmtStreamTypeMpeg4VideoH265 uint8 = 36 // H265
+// PmtStreamTypeAac uint8 = 15  // AAC
+// PmtStreamTypeAc3 uint8 = 129 // DD
+// PmtStreamTypeEc3 uint8 = 135 // DD+
+// PmtStreamTypeScte35 uint8 = 134 // SCTE-35
 func MediaStreams(p []byte) ([]gotspsi.PmtElementaryStream, error) {
 	pat := p[:PacketSize]
 	pmt := p[PacketSize : 2*PacketSize]