shaka-packager/packager/media/base/protection_system_specific_...

195 lines
7.3 KiB
C++

// Copyright 2016 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include <gtest/gtest.h>
#include <iterator>
#include <packager/macros.h>
#include <packager/media/base/protection_system_specific_info.h>
namespace shaka {
namespace media {
namespace {
const uint8_t kSystemId1V0BoxArray[] = {
0x00, 0x00, 0x00, 0x21, 'p', 's', 's', 'h', // Header
0x00, 0x00, 0x00, 0x00, // Version = 0, flags = 0
0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x00, 0x11, // System ID
0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99,
0x00, 0x00, 0x00, 0x01, // Data size(1)
0xFF,
};
const uint8_t kSystemId1V1BoxArray[] = {
0x00, 0x00, 0x00, 0x35, 'p', 's', 's', 'h', // Header
0x01, 0x00, 0x00, 0x00, // Version = 1, flags = 0
0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x00, 0x11, // System ID
0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99,
0x00, 0x00, 0x00, 0x01, // KID_count(1)
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // First KID
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01, // Data size(1)
0xFF,
};
const uint8_t kSystemId2V0BoxArray[] = {
0x00, 0x00, 0x00, 0x21, 'p', 's', 's', 'h', // Header
0x00, 0x00, 0x00, 0x00, // Version = 0, flags = 0
0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, // System ID
0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x00, 0x11,
0x00, 0x00, 0x00, 0x01, // Data size(1)
0xFF,
};
const uint8_t kTestSystemId1Array[] = {
0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x00, 0x11,
0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99,
};
const uint8_t kTestSystemId2Array[] = {
0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99,
0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0x00, 0x11,
};
const uint8_t kTestKeyIdArray[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
const uint8_t kTestPsshDataArray[] = {0xFF};
std::vector<uint8_t> ConcatVectors(const std::vector<uint8_t>& a,
const std::vector<uint8_t>& b) {
std::vector<uint8_t> out;
out.insert(out.end(), a.begin(), a.end());
out.insert(out.end(), b.begin(), b.end());
return out;
}
std::vector<uint8_t> ConcatVectors(const std::vector<uint8_t>& a,
const std::vector<uint8_t>& b,
const std::vector<uint8_t>& c) {
return ConcatVectors(ConcatVectors(a, b), c);
}
} // namespace
class PsshTest : public ::testing::Test {
public:
PsshTest()
: system_id1_v0_box_(std::begin(kSystemId1V0BoxArray),
std::end(kSystemId1V0BoxArray)),
system_id1_v1_box_(std::begin(kSystemId1V1BoxArray),
std::end(kSystemId1V1BoxArray)),
system_id2_v0_box_(std::begin(kSystemId2V0BoxArray),
std::end(kSystemId2V0BoxArray)),
test_system_id1_(std::begin(kTestSystemId1Array),
std::end(kTestSystemId1Array)),
test_system_id2_(std::begin(kTestSystemId2Array),
std::end(kTestSystemId2Array)),
test_key_id_(std::begin(kTestKeyIdArray), std::end(kTestKeyIdArray)),
test_pssh_data_(std::begin(kTestPsshDataArray),
std::end(kTestPsshDataArray)) {}
const std::vector<uint8_t> system_id1_v0_box_;
const std::vector<uint8_t> system_id1_v1_box_;
const std::vector<uint8_t> system_id2_v0_box_;
const std::vector<uint8_t> test_system_id1_;
const std::vector<uint8_t> test_system_id2_;
const std::vector<uint8_t> test_key_id_;
const std::vector<uint8_t> test_pssh_data_;
};
TEST_F(PsshTest, ParseBoxes_SupportsV0) {
std::vector<ProtectionSystemSpecificInfo> info;
ASSERT_TRUE(ProtectionSystemSpecificInfo::ParseBoxes(
system_id1_v0_box_.data(), system_id1_v0_box_.size(), &info));
ASSERT_EQ(1u, info.size());
EXPECT_EQ(test_system_id1_, info[0].system_id);
std::unique_ptr<PsshBoxBuilder> pssh_builder =
PsshBoxBuilder::ParseFromBox(info[0].psshs.data(), info[0].psshs.size());
ASSERT_TRUE(pssh_builder);
ASSERT_EQ(0u, pssh_builder->key_ids().size());
EXPECT_EQ(test_system_id1_, pssh_builder->system_id());
EXPECT_EQ(test_pssh_data_, pssh_builder->pssh_data());
EXPECT_EQ(0, pssh_builder->pssh_box_version());
}
TEST_F(PsshTest, ParseBoxes_SupportsV1) {
std::vector<ProtectionSystemSpecificInfo> info;
ASSERT_TRUE(ProtectionSystemSpecificInfo::ParseBoxes(
system_id1_v1_box_.data(), system_id1_v1_box_.size(), &info));
ASSERT_EQ(1u, info.size());
EXPECT_EQ(test_system_id1_, info[0].system_id);
std::unique_ptr<PsshBoxBuilder> pssh_builder =
PsshBoxBuilder::ParseFromBox(info[0].psshs.data(), info[0].psshs.size());
ASSERT_TRUE(pssh_builder);
ASSERT_EQ(1u, pssh_builder->key_ids().size());
EXPECT_EQ(test_system_id1_, pssh_builder->system_id());
EXPECT_EQ(test_key_id_, pssh_builder->key_ids()[0]);
EXPECT_EQ(test_pssh_data_, pssh_builder->pssh_data());
EXPECT_EQ(1, pssh_builder->pssh_box_version());
}
TEST_F(PsshTest, ParseBoxes_SupportsConcatenatedBoxes) {
std::vector<uint8_t> data =
ConcatVectors(system_id1_v0_box_, system_id2_v0_box_, system_id1_v1_box_);
std::vector<ProtectionSystemSpecificInfo> info;
ASSERT_TRUE(ProtectionSystemSpecificInfo::ParseBoxes(data.data(), data.size(),
&info));
// The PSSHs are grouped by system id. Since there are only two system ids,
// there are two ProtectionSystemSpecificInfo.
ASSERT_EQ(2u, info.size());
EXPECT_EQ(ConcatVectors(system_id1_v0_box_, system_id1_v1_box_),
info[0].psshs);
EXPECT_EQ(system_id2_v0_box_, info[1].psshs);
std::unique_ptr<PsshBoxBuilder> pssh_builder =
PsshBoxBuilder::ParseFromBox(info[0].psshs.data(), info[0].psshs.size());
ASSERT_TRUE(pssh_builder);
ASSERT_EQ(0u, pssh_builder->key_ids().size());
EXPECT_EQ(test_system_id1_, pssh_builder->system_id());
EXPECT_EQ(test_pssh_data_, pssh_builder->pssh_data());
EXPECT_EQ(0, pssh_builder->pssh_box_version());
pssh_builder =
PsshBoxBuilder::ParseFromBox(info[1].psshs.data(), info[1].psshs.size());
ASSERT_TRUE(pssh_builder);
ASSERT_EQ(0u, pssh_builder->key_ids().size());
EXPECT_EQ(test_system_id2_, pssh_builder->system_id());
EXPECT_EQ(test_pssh_data_, pssh_builder->pssh_data());
EXPECT_EQ(0, pssh_builder->pssh_box_version());
}
TEST_F(PsshTest, CreateBox_MakesV0Boxes) {
PsshBoxBuilder pssh_builder;
pssh_builder.set_system_id(kTestSystemId1Array,
std::size(kTestSystemId1Array));
pssh_builder.set_pssh_data(test_pssh_data_);
pssh_builder.set_pssh_box_version(0);
EXPECT_EQ(system_id1_v0_box_, pssh_builder.CreateBox());
}
TEST_F(PsshTest, CreateBox_MakesV1Boxes) {
PsshBoxBuilder pssh_builder;
pssh_builder.add_key_id(test_key_id_);
pssh_builder.set_system_id(kTestSystemId1Array,
std::size(kTestSystemId1Array));
pssh_builder.set_pssh_data(test_pssh_data_);
pssh_builder.set_pssh_box_version(1);
EXPECT_EQ(system_id1_v1_box_, pssh_builder.CreateBox());
}
} // namespace media
} // namespace shaka