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[DASH] Include <mspr:pro> alongside to <cenc:pssh> for PlayReady (#749) 

Configurable under flag --include_mspr_pro_for_playready. True by default.

Closes #743.
This commit is contained in:
Tim Lansen 2020-04-17 20:20:03 +03:00 committed by GitHub
parent 069dbc82f7
commit 8e113af215
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GPG Key ID: 4AEE18F83AFDEB23
15 changed files with 173 additions and 3 deletions
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1
AUTHORS
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@ -17,6 +17,7 @@ Anders Hasselqvist <anders.hasselqvist@gmail.com>
Chun-da Chen <capitalm.c@gmail.com>
Daniel Cantarín <canta@canta.com.ar>
Google Inc. <*@google.com>
Ivi.ru LLC <*@ivi.ru>
Leandro Moreira <leandro.ribeiro.moreira@gmail.com>
Leo Law <leoltlaw.gh@gmail.com>
More Screens Ltd. <*@morescreens.net>

1
CONTRIBUTORS
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@ -40,3 +40,4 @@ Rintaro Kuroiwa <rkuroiwa@google.com>
Sanil Raut <sr1990003@gmail.com>
Sergio Ammirata <sergio@ammirata.net>
Thomas Inskip <tinskip@google.com>
Tim Lansen <tim.lansen@gmail.com>

5
packager/app/mpd_flags.cc
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@ -64,3 +64,8 @@ DEFINE_bool(allow_codec_switching,
"If enabled, allow adaptive switching between different codecs, "
"if they have the same language, media type (audio, video etc) and "
"container type.");
DEFINE_bool(include_mspr_pro_for_playready,
true,
"If enabled, PlayReady Object <mspr:pro> will be inserted into "
"<ContentProtection ...> element alongside with <cenc:pssh> "
"when using PlayReady protection system.");

1
packager/app/mpd_flags.h
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@ -22,5 +22,6 @@ DECLARE_string(utc_timings);
DECLARE_bool(generate_dash_if_iop_compliant_mpd);
DECLARE_bool(allow_approximate_segment_timeline);
DECLARE_bool(allow_codec_switching);
DECLARE_bool(include_mspr_pro_for_playready);
#endif // APP_MPD_FLAGS_H_

1
packager/app/packager_main.cc
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@ -461,6 +461,7 @@ base::Optional<PackagingParams> GetPackagingParams() {
mpd_params.allow_approximate_segment_timeline =
FLAGS_allow_approximate_segment_timeline;
mpd_params.allow_codec_switching = FLAGS_allow_codec_switching;
mpd_params.include_mspr_pro = FLAGS_include_mspr_pro_for_playready;
HlsParams& hls_params = packaging_params.hls_params;
if (!GetHlsPlaylistType(FLAGS_hls_playlist_type, &hls_params.playlist_type)) {

8
packager/app/test/testdata/encryption-with-multi-drms/output.mpd vendored
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@ -1,11 +1,12 @@
<?xml version="1.0" encoding="UTF-8"?>
<!--Generated with https://github.com/google/shaka-packager version <tag>-<hash>-<test>-->
<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" xmlns:mas="urn:marlin:mas:1-0:services:schemas:mpd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.7360665798187256S">
<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" xmlns:cenc="urn:mpeg:cenc:2013" xmlns:mas="urn:marlin:mas:1-0:services:schemas:mpd" xmlns:mspr="urn:microsoft:playready" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.7360665798187256S">
<Period id="0">
<AdaptationSet id="0" contentType="video" width="640" height="360" frameRate="30000/1001" subsegmentAlignment="true" par="16:9">
<ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
<ContentProtection schemeIdUri="urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95">
<ContentProtection value="MSPR 2.0" schemeIdUri="urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95">
<cenc:pssh>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</cenc:pssh>
<mspr:pro>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</mspr:pro>
</ContentProtection>
<ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed">
<cenc:pssh>AAAAOHBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAABgSEDEyMzQ1Njc4OTAxMjM0NTZI49yVmwY=</cenc:pssh>
@ -24,8 +25,9 @@
</AdaptationSet>
<AdaptationSet id="1" contentType="audio" subsegmentAlignment="true">
<ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="31323334-3536-3738-3930-313233343536"/>
<ContentProtection schemeIdUri="urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95">
<ContentProtection value="MSPR 2.0" schemeIdUri="urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95">
<cenc:pssh>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</cenc:pssh>
<mspr:pro>BgIAAAEAAQD8ATwAVwBSAE0ASABFAEEARABFAFIAIAB4AG0AbABuAHMAPQAiAGgAdAB0AHAAOgAvAC8AcwBjAGgAZQBtAGEAcwAuAG0AaQBjAHIAbwBzAG8AZgB0AC4AYwBvAG0ALwBEAFIATQAvADIAMAAwADcALwAwADMALwBQAGwAYQB5AFIAZQBhAGQAeQBIAGUAYQBkAGUAcgAiACAAdgBlAHIAcwBpAG8AbgA9ACIANAAuADAALgAwAC4AMAAiAD4APABEAEEAVABBAD4APABQAFIATwBUAEUAQwBUAEkATgBGAE8APgA8AEsARQBZAEwARQBOAD4AMQA2ADwALwBLAEUAWQBMAEUATgA+ADwAQQBMAEcASQBEAD4AQQBFAFMAQwBUAFIAPAAvAEEATABHAEkARAA+ADwALwBQAFIATwBUAEUAQwBUAEkATgBGAE8APgA8AEsASQBEAD4ATgBEAE0AeQBNAFQAWQAxAE8ARABjADUATQBEAEUAeQBNAHoAUQAxAE4AZwA9AD0APAAvAEsASQBEAD4APABDAEgARQBDAEsAUwBVAE0APgBsADUATABvAFUAZwBLADkASwBDAGcAPQA8AC8AQwBIAEUAQwBLAFMAVQBNAD4APAAvAEQAQQBUAEEAPgA8AC8AVwBSAE0ASABFAEEARABFAFIAPgA=</mspr:pro>
</ContentProtection>
<ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed">
<cenc:pssh>AAAAOHBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAABgSEDEyMzQ1Njc4OTAxMjM0NTZI49yVmwY=</cenc:pssh>

1
packager/media/event/mpd_notify_muxer_listener.cc
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@ -79,6 +79,7 @@ void MpdNotifyMuxerListener::OnMediaStart(
if (is_encrypted_) {
internal::SetContentProtectionFields(protection_scheme_, default_key_id_,
key_system_info_, media_info.get());
media_info->mutable_protected_content()->set_include_mspr_pro(mpd_notifier_->include_mspr_pro());
}
// The content may be splitted into multiple files, but their MediaInfo

3
packager/media/event/mpd_notify_muxer_listener_unittest.cc
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@ -168,6 +168,7 @@ TEST_F(MpdNotifyMuxerListenerTest, VodEncryptedContent) {
" pssh: '" + std::string(kExpectedDefaultPsshBox) + "'\n"
" }\n"
" default_key_id: 'defaultkeyid'\n"
" include_mspr_pro: 1\n"
"}\n";
EXPECT_CALL(*notifier_, NotifyNewContainer(_, _)).Times(0);
@ -371,6 +372,7 @@ TEST_P(MpdNotifyMuxerListenerTest, LiveNoKeyRotation) {
" pssh: \"" + std::string(kExpectedDefaultPsshBox) + "\"\n"
" }\n"
" protection_scheme: 'cbcs'\n"
" include_mspr_pro: 1\n"
"}\n";
const uint64_t kStartTime1 = 0u;
@ -443,6 +445,7 @@ TEST_P(MpdNotifyMuxerListenerTest, LiveWithKeyRotation) {
"protected_content {\n"
" default_key_id: \"defaultkeyid\"\n"
" protection_scheme: 'cbc1'\n"
" include_mspr_pro: 1\n"
"}\n";
const uint64_t kStartTime1 = 0u;

1
packager/mpd/base/media_info.proto
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@ -95,6 +95,7 @@ message MediaInfo {
// Specifies the protection scheme: 'cenc', 'cens', 'cbc1', 'cbcs'.
// "cbca" is also valid which is a place holder for SAMPLE-AES encryption.
optional string protection_scheme = 3 [default = 'cenc'];
optional bool include_mspr_pro = 4 [default = true];
}
// TODO(rkuroiwa): Remove this. <ContentProtection> element that must be added

2
packager/mpd/base/mpd_builder.cc
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@ -49,11 +49,13 @@ void AddMpdNameSpaceInfo(XmlNode* mpd) {
static const char kMarlinNamespace[] =
"urn:marlin:mas:1-0:services:schemas:mpd";
static const char kXmlNamespaceXlink[] = "http://www.w3.org/1999/xlink";
static const char kMsprNamespace[] = "urn:microsoft:playready";
const std::map<std::string, std::string> uris = {
{"cenc", kCencNamespace},
{"mas", kMarlinNamespace},
{"xlink", kXmlNamespaceXlink},
{"mspr", kMsprNamespace},
};
for (const std::string& namespace_name : namespaces) {

3
packager/mpd/base/mpd_notifier.h
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@ -104,6 +104,9 @@ class MpdNotifier {
/// forces a flush.
virtual bool Flush() = 0;
/// @return include_mspr_pro option flag
bool include_mspr_pro() const { return mpd_options_.mpd_params.include_mspr_pro; }
/// @return The dash profile for this object.
DashProfile dash_profile() const { return mpd_options_.dash_profile; }

34
packager/mpd/base/mpd_utils.cc
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@ -14,6 +14,7 @@
#include "packager/base/strings/string_number_conversions.h"
#include "packager/base/strings/string_util.h"
#include "packager/media/base/language_utils.h"
#include "packager/media/base/protection_system_specific_info.h"
#include "packager/mpd/base/adaptation_set.h"
#include "packager/mpd/base/content_protection_element.h"
#include "packager/mpd/base/representation.h"
@ -324,6 +325,11 @@ const char kMarlinUUID[] = "5e629af5-38da-4063-8977-97ffbd9902d4";
// Unofficial FairPlay system id extracted from
// https://forums.developer.apple.com/thread/6185.
const char kFairPlayUUID[] = "29701fe4-3cc7-4a34-8c5b-ae90c7439a47";
// String representation of media::kPlayReadySystemId.
const char kPlayReadyUUID[] = "9a04f079-9840-4286-ab92-e65be0885f95";
// It is RECOMMENDED to include the @value attribute with name and version "MSPR 2.0".
// See https://docs.microsoft.com/en-us/playready/specifications/mpeg-dash-playready#221-general.
const char kContentProtectionValueMSPR20[] = "MSPR 2.0";
Element GenerateMarlinContentIds(const std::string& key_id) {
// See https://github.com/google/shaka-packager/issues/381 for details.
@ -354,6 +360,29 @@ Element GenerateCencPsshElement(const std::string& pssh) {
return cenc_pssh;
}
// Extract MS PlayReady Object from given PSSH
// and encode it in base64.
Element GenerateMsprProElement(const std::string& pssh) {
std::unique_ptr<media::PsshBoxBuilder> b =
media::PsshBoxBuilder::ParseFromBox(
reinterpret_cast<const uint8_t*>(pssh.data()),
pssh.size()
);
const std::vector<uint8_t> *p_pssh = &b->pssh_data();
std::string base64_encoded_mspr;
base::Base64Encode(
base::StringPiece(
reinterpret_cast<const char*>(p_pssh->data()),
p_pssh->size()),
&base64_encoded_mspr
);
Element mspr_pro;
mspr_pro.name = kMsproElementName;
mspr_pro.content = base64_encoded_mspr;
return mspr_pro;
}
// Helper function. This works because Representation and AdaptationSet both
// have AddContentProtectionElement().
template <typename ContentProtectionParent>
@ -419,6 +448,11 @@ void AddContentProtectionElementsHelperTemplated(
if (!entry.pssh().empty()) {
drm_content_protection.subelements.push_back(
GenerateCencPsshElement(entry.pssh()));
if(entry.uuid() == kPlayReadyUUID && protected_content.include_mspr_pro()) {
drm_content_protection.subelements.push_back(
GenerateMsprProElement(entry.pssh()));
drm_content_protection.value = kContentProtectionValueMSPR20;
}
}
}

1
packager/mpd/base/mpd_utils.h
View File

@ -24,6 +24,7 @@ struct SegmentInfo;
const char kEncryptedMp4Scheme[] = "urn:mpeg:dash:mp4protection:2011";
const char kPsshElementName[] = "cenc:pssh";
const char kMsproElementName[] = "mspr:pro";
bool HasVODOnlyFields(const MediaInfo& media_info);

110
packager/mpd/base/mpd_utils_unittest.cc
View File

@ -9,6 +9,7 @@
#include <gtest/gtest.h>
#include <memory>
#include "packager/base/strings/string_number_conversions.h"
#include "packager/mpd/base/adaptation_set.h"
#include "packager/mpd/base/mpd_options.h"
#include "packager/mpd/test/mpd_builder_test_helper.h"
@ -116,4 +117,113 @@ TEST_F(MpdUtilsTest, ContentProtectionMarlin) {
EXPECT_THAT(adaptation_set_.GetXml().get(), XmlNodeEqual(kExpectedOutput));
}
TEST_F(MpdUtilsTest, ContentProtectionPlayReadyCencMspr) {
const std::string pssh_str("0000003870737368010000009A04F079"
"98404286AB92E65BE0885F9500000001"
"11223344556677889900AABBCCDDEEFF"
"0000000430313233");
std::vector<uint8_t> pssh;
base::HexStringToBytes(pssh_str, &pssh);
const char kMediaInfoWithContentProtection[] =
"video_info {"
" codec: 'avc1'"
" width: 1920"
" height: 1080"
" time_scale: 3000"
" frame_duration: 100"
"}"
"protected_content {"
" protection_scheme: 'cenc'"
" default_key_id: '0123456789\x3A\x3B\x3C\x3D\x3E\x3F'"
" include_mspr_pro: 1"
"}"
"container_type: 1";
MediaInfo media_info =
ConvertToMediaInfo(kMediaInfoWithContentProtection);
MediaInfo::ProtectedContent * protected_content =
media_info.mutable_protected_content();
MediaInfo::ProtectedContent::ContentProtectionEntry* entry =
protected_content->add_content_protection_entry();
entry->set_uuid("9a04f079-9840-4286-ab92-e65be0885f95");
entry->set_pssh(pssh.data(), pssh.size());
AddContentProtectionElements(media_info, &adaptation_set_);
ASSERT_TRUE(adaptation_set_.AddRepresentation(media_info));
const char kExpectedOutput[] =
"<AdaptationSet contentType='video' width='1920'"
" height='1080' frameRate='3000/100'>"
" <ContentProtection value='cenc'"
" schemeIdUri='urn:mpeg:dash:mp4protection:2011'"
" cenc:default_KID='30313233-3435-3637-3839-3a3b3c3d3e3f'/>"
" <ContentProtection value='MSPR 2.0'"
" schemeIdUri='urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95'>"
" <cenc:pssh>"
"AAAAOHBzc2gBAAAAmgTweZhAQoarkuZb4IhflQAAAAERIjNEVWZ3iJkAqrvM3e7/AAAABDAxMjM="
" </cenc:pssh>"
" <mspr:pro>MDEyMw==</mspr:pro>"
" </ContentProtection>"
" <Representation id='0' bandwidth='0' codecs='avc1' mimeType='video/mp4'/>"
"</AdaptationSet>";
EXPECT_THAT(adaptation_set_.GetXml().get(), XmlNodeEqual(kExpectedOutput));
}
TEST_F(MpdUtilsTest, ContentProtectionPlayReadyCenc) {
const std::string pssh_str("0000003870737368010000009A04F079"
"98404286AB92E65BE0885F9500000001"
"11223344556677889900AABBCCDDEEFF"
"0000000430313233");
std::vector<uint8_t> pssh;
base::HexStringToBytes(pssh_str, &pssh);
const char kMediaInfoWithContentProtection[] =
"video_info {"
" codec: 'avc1'"
" width: 1920"
" height: 1080"
" time_scale: 3000"
" frame_duration: 100"
"}"
"protected_content {"
" protection_scheme: 'cenc'"
" default_key_id: '0123456789\x3A\x3B\x3C\x3D\x3E\x3F'"
" include_mspr_pro: 0"
"}"
"container_type: 1";
MediaInfo media_info =
ConvertToMediaInfo(kMediaInfoWithContentProtection);
MediaInfo::ProtectedContent * protected_content =
media_info.mutable_protected_content();
MediaInfo::ProtectedContent::ContentProtectionEntry* entry =
protected_content->add_content_protection_entry();
entry->set_uuid("9a04f079-9840-4286-ab92-e65be0885f95");
entry->set_pssh(pssh.data(), pssh.size());
AddContentProtectionElements(media_info, &adaptation_set_);
ASSERT_TRUE(adaptation_set_.AddRepresentation(media_info));
const char kExpectedOutput[] =
"<AdaptationSet contentType='video' width='1920'"
" height='1080' frameRate='3000/100'>"
" <ContentProtection value='cenc'"
" schemeIdUri='urn:mpeg:dash:mp4protection:2011'"
" cenc:default_KID='30313233-3435-3637-3839-3a3b3c3d3e3f'/>"
" <ContentProtection"
" schemeIdUri='urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95'>"
" <cenc:pssh>"
"AAAAOHBzc2gBAAAAmgTweZhAQoarkuZb4IhflQAAAAERIjNEVWZ3iJkAqrvM3e7/AAAABDAxMjM="
" </cenc:pssh>"
" </ContentProtection>"
" <Representation id='0' bandwidth='0' codecs='avc1' mimeType='video/mp4'/>"
"</AdaptationSet>";
EXPECT_THAT(adaptation_set_.GetXml().get(), XmlNodeEqual(kExpectedOutput));
}
} // namespace shaka

4
packager/mpd/public/mpd_params.h
View File

@ -83,6 +83,10 @@ struct MpdParams {
/// If enabled, allow switching between different codecs, if they have the
/// same language, media type (audio, video etc) and container type.
bool allow_codec_switching = false;
/// If enabled, PlayReady Object <mspr:pro> will be inserted into
/// <ContentProtection ...> element alongside with <cenc:pssh>
/// when using PlayReady protection system.
bool include_mspr_pro = true;
};
} // namespace shaka