From 22c758ed069a6e626204f11b00faa1cc7f7f3164 Mon Sep 17 00:00:00 2001
From: l-law <leoltlaw.gh@gmail.com>
Date: Fri, 1 Dec 2017 06:34:42 +0800
Subject: [PATCH] Fix order of VPS, SPS, PPS in hvcC box of HEVC/MP4 (#300)

Fix order of VPS, SPS, PPS in hvcC box of HEVC/MP4

Fixes #297
---
 AUTHORS                                          |  1 +
 CONTRIBUTORS                                     |  1 +
 .../codecs/h265_byte_to_unit_stream_converter.cc | 14 +++++++-------
 ...265_byte_to_unit_stream_converter_unittest.cc | 16 ++++++++--------
 4 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/AUTHORS b/AUTHORS
index b8945ee42d..86aa1eafe3 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -17,6 +17,7 @@ Anders Hasselqvist <anders.hasselqvist@gmail.com>
 Chun-da Chen <capitalm.c@gmail.com>
 Google Inc. <*@google.com>
 Leandro Moreira <leandro.ribeiro.moreira@gmail.com>
+Leo Law <leoltlaw.gh@gmail.com>
 More Screens Ltd. <*@morescreens.net>
 Philo Inc. <*@philo.com>
 Richard Eklycke <richard@eklycke.se>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 71fadc886c..300f2ca8a9 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -32,6 +32,7 @@ Jacob Trimble <modmaker@google.com>
 Joey Parrish <joeyparrish@google.com>
 Kongqun Yang <kqyang@google.com>
 Leandro Moreira <leandro.ribeiro.moreira@gmail.com>
+Leo Law <leoltlaw.gh@gmail.com>
 Richard Eklycke <richard@eklycke.se>
 Rintaro Kuroiwa <rkuroiwa@google.com>
 Sergio Ammirata <sergio@ammirata.net>
diff --git a/packager/media/codecs/h265_byte_to_unit_stream_converter.cc b/packager/media/codecs/h265_byte_to_unit_stream_converter.cc
index 5c62547cc0..7abd45b458 100644
--- a/packager/media/codecs/h265_byte_to_unit_stream_converter.cc
+++ b/packager/media/codecs/h265_byte_to_unit_stream_converter.cc
@@ -73,8 +73,14 @@ bool H265ByteToUnitStreamConverter::GetDecoderConfigurationRecord(
   buffer.AppendInt(static_cast<uint8_t>(kUnitStreamNaluLengthSize - 1));
   buffer.AppendInt(static_cast<uint8_t>(3) /* numOfArrays */);
 
-  // SPS
+  // VPS
   const uint8_t kArrayCompleteness = 0x80;
+  buffer.AppendInt(static_cast<uint8_t>(kArrayCompleteness | Nalu::H265_VPS));
+  buffer.AppendInt(static_cast<uint16_t>(1) /* numNalus */);
+  buffer.AppendInt(static_cast<uint16_t>(last_vps_.size()));
+  buffer.AppendVector(last_vps_);
+
+  // SPS
   buffer.AppendInt(static_cast<uint8_t>(kArrayCompleteness | Nalu::H265_SPS));
   buffer.AppendInt(static_cast<uint16_t>(1) /* numNalus */);
   buffer.AppendInt(static_cast<uint16_t>(last_sps_.size()));
@@ -86,12 +92,6 @@ bool H265ByteToUnitStreamConverter::GetDecoderConfigurationRecord(
   buffer.AppendInt(static_cast<uint16_t>(last_pps_.size()));
   buffer.AppendVector(last_pps_);
 
-  // VPS
-  buffer.AppendInt(static_cast<uint8_t>(kArrayCompleteness | Nalu::H265_VPS));
-  buffer.AppendInt(static_cast<uint16_t>(1) /* numNalus */);
-  buffer.AppendInt(static_cast<uint16_t>(last_vps_.size()));
-  buffer.AppendVector(last_vps_);
-
   buffer.SwapBuffer(decoder_config);
   return true;
 }
diff --git a/packager/media/codecs/h265_byte_to_unit_stream_converter_unittest.cc b/packager/media/codecs/h265_byte_to_unit_stream_converter_unittest.cc
index 682085fae3..c37240eab1 100644
--- a/packager/media/codecs/h265_byte_to_unit_stream_converter_unittest.cc
+++ b/packager/media/codecs/h265_byte_to_unit_stream_converter_unittest.cc
@@ -14,10 +14,10 @@
 
 namespace {
 const char kExpectedConfigRecord[] =
-    "01016000000300900000030000f000fcfdf8f800000303a10001002e42010101600000"
-    "030090000003000003005da0028080241f265999a4932bffc0d5c0d640400000030040"
-    "00000602a2000100074401c172b46240a00001001840010c01ffff0160000003009000"
-    "0003000003005d999809";
+    "01016000000300900000030000f000fcfdf8f800000303a00001001840010c01ffff01"
+    "600000030090000003000003005d999809a10001002e42010101600000030090000003"
+    "000003005da0028080241f265999a4932bffc0d5c0d64040000003004000000602a200"
+    "0100074401c172b46240";
 }
 
 namespace shaka {
@@ -50,11 +50,11 @@ TEST(H265ByteToUnitStreamConverter, StripParameterSetsNalu) {
   // Double-check that it can be parsed.
   HEVCDecoderConfigurationRecord config;
   ASSERT_TRUE(config.Parse(decoder_config));
-  // The order is SPS, PPS, VPS.
+  // The order is VPS, SPS, PPS.
   ASSERT_EQ(3u, config.nalu_count());
-  EXPECT_EQ(Nalu::H265_SPS, config.nalu(0).type());
-  EXPECT_EQ(Nalu::H265_PPS, config.nalu(1).type());
-  EXPECT_EQ(Nalu::H265_VPS, config.nalu(2).type());
+  EXPECT_EQ(Nalu::H265_VPS, config.nalu(0).type());
+  EXPECT_EQ(Nalu::H265_SPS, config.nalu(1).type());
+  EXPECT_EQ(Nalu::H265_PPS, config.nalu(2).type());
 }
 
 TEST(H265ByteToUnitStreamConverter, KeepParameterSetsNalu) {