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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "media/base/stream_params.h"
#include <stdint.h>
#include "media/base/test_utils.h"
#include "rtc_base/arraysize.h"
#include "test/gmock.h"
#include "test/gtest.h"
using ::testing::Each;
using ::testing::Ne;
static const uint32_t kSsrcs1[] = {1};
static const uint32_t kSsrcs2[] = {1, 2};
static cricket::StreamParams CreateStreamParamsWithSsrcGroup(
const std::string& semantics,
const uint32_t ssrcs_in[],
size_t len) {
cricket::StreamParams stream;
std::vector<uint32_t> ssrcs(ssrcs_in, ssrcs_in + len);
cricket::SsrcGroup sg(semantics, ssrcs);
stream.ssrcs = ssrcs;
stream.ssrc_groups.push_back(sg);
return stream;
}
TEST(SsrcGroup, EqualNotEqual) {
cricket::SsrcGroup ssrc_groups[] = {
cricket::SsrcGroup("ABC", MAKE_VECTOR(kSsrcs1)),
cricket::SsrcGroup("ABC", MAKE_VECTOR(kSsrcs2)),
cricket::SsrcGroup("Abc", MAKE_VECTOR(kSsrcs2)),
cricket::SsrcGroup("abc", MAKE_VECTOR(kSsrcs2)),
};
for (size_t i = 0; i < arraysize(ssrc_groups); ++i) {
for (size_t j = 0; j < arraysize(ssrc_groups); ++j) {
EXPECT_EQ((ssrc_groups[i] == ssrc_groups[j]), (i == j));
EXPECT_EQ((ssrc_groups[i] != ssrc_groups[j]), (i != j));
}
}
}
TEST(SsrcGroup, HasSemantics) {
cricket::SsrcGroup sg1("ABC", MAKE_VECTOR(kSsrcs1));
EXPECT_TRUE(sg1.has_semantics("ABC"));
cricket::SsrcGroup sg2("Abc", MAKE_VECTOR(kSsrcs1));
EXPECT_FALSE(sg2.has_semantics("ABC"));
cricket::SsrcGroup sg3("abc", MAKE_VECTOR(kSsrcs1));
EXPECT_FALSE(sg3.has_semantics("ABC"));
}
TEST(SsrcGroup, ToString) {
cricket::SsrcGroup sg1("ABC", MAKE_VECTOR(kSsrcs1));
EXPECT_STREQ("{semantics:ABC;ssrcs:[1]}", sg1.ToString().c_str());
}
TEST(StreamParams, CreateLegacy) {
const uint32_t ssrc = 7;
cricket::StreamParams one_sp = cricket::StreamParams::CreateLegacy(ssrc);
EXPECT_EQ(1U, one_sp.ssrcs.size());
EXPECT_EQ(ssrc, one_sp.first_ssrc());
EXPECT_TRUE(one_sp.has_ssrcs());
EXPECT_TRUE(one_sp.has_ssrc(ssrc));
EXPECT_FALSE(one_sp.has_ssrc(ssrc + 1));
EXPECT_FALSE(one_sp.has_ssrc_groups());
EXPECT_EQ(0U, one_sp.ssrc_groups.size());
}
TEST(StreamParams, HasSsrcGroup) {
cricket::StreamParams sp =
CreateStreamParamsWithSsrcGroup("XYZ", kSsrcs2, arraysize(kSsrcs2));
EXPECT_EQ(2U, sp.ssrcs.size());
EXPECT_EQ(kSsrcs2[0], sp.first_ssrc());
EXPECT_TRUE(sp.has_ssrcs());
EXPECT_TRUE(sp.has_ssrc(kSsrcs2[0]));
EXPECT_TRUE(sp.has_ssrc(kSsrcs2[1]));
EXPECT_TRUE(sp.has_ssrc_group("XYZ"));
EXPECT_EQ(1U, sp.ssrc_groups.size());
EXPECT_EQ(2U, sp.ssrc_groups[0].ssrcs.size());
EXPECT_EQ(kSsrcs2[0], sp.ssrc_groups[0].ssrcs[0]);
EXPECT_EQ(kSsrcs2[1], sp.ssrc_groups[0].ssrcs[1]);
}
TEST(StreamParams, GetSsrcGroup) {
cricket::StreamParams sp =
CreateStreamParamsWithSsrcGroup("XYZ", kSsrcs2, arraysize(kSsrcs2));
EXPECT_EQ(NULL, sp.get_ssrc_group("xyz"));
EXPECT_EQ(&sp.ssrc_groups[0], sp.get_ssrc_group("XYZ"));
}
TEST(StreamParams, HasStreamWithNoSsrcs) {
cricket::StreamParams sp_1 = cricket::StreamParams::CreateLegacy(kSsrcs1[0]);
cricket::StreamParams sp_2 = cricket::StreamParams::CreateLegacy(kSsrcs2[0]);
std::vector<cricket::StreamParams> streams({sp_1, sp_2});
EXPECT_FALSE(HasStreamWithNoSsrcs(streams));
cricket::StreamParams unsignaled_stream;
streams.push_back(unsignaled_stream);
EXPECT_TRUE(HasStreamWithNoSsrcs(streams));
}
TEST(StreamParams, EqualNotEqual) {
cricket::StreamParams l1 = cricket::StreamParams::CreateLegacy(1);
cricket::StreamParams l2 = cricket::StreamParams::CreateLegacy(2);
cricket::StreamParams sg1 =
CreateStreamParamsWithSsrcGroup("ABC", kSsrcs1, arraysize(kSsrcs1));
cricket::StreamParams sg2 =
CreateStreamParamsWithSsrcGroup("ABC", kSsrcs2, arraysize(kSsrcs2));
cricket::StreamParams sg3 =
CreateStreamParamsWithSsrcGroup("Abc", kSsrcs2, arraysize(kSsrcs2));
cricket::StreamParams sg4 =
CreateStreamParamsWithSsrcGroup("abc", kSsrcs2, arraysize(kSsrcs2));
cricket::StreamParams sps[] = {l1, l2, sg1, sg2, sg3, sg4};
for (size_t i = 0; i < arraysize(sps); ++i) {
for (size_t j = 0; j < arraysize(sps); ++j) {
EXPECT_EQ((sps[i] == sps[j]), (i == j));
EXPECT_EQ((sps[i] != sps[j]), (i != j));
}
}
}
TEST(StreamParams, FidFunctions) {
uint32_t fid_ssrc;
cricket::StreamParams sp = cricket::StreamParams::CreateLegacy(1);
EXPECT_FALSE(sp.AddFidSsrc(10, 20));
EXPECT_TRUE(sp.AddFidSsrc(1, 2));
EXPECT_TRUE(sp.GetFidSsrc(1, &fid_ssrc));
EXPECT_EQ(2u, fid_ssrc);
EXPECT_FALSE(sp.GetFidSsrc(15, &fid_ssrc));
sp.add_ssrc(20);
EXPECT_TRUE(sp.AddFidSsrc(20, 30));
EXPECT_TRUE(sp.GetFidSsrc(20, &fid_ssrc));
EXPECT_EQ(30u, fid_ssrc);
// Manually create SsrcGroup to test bounds-checking
// in GetSecondarySsrc. We construct an invalid StreamParams
// for this.
std::vector<uint32_t> fid_vector;
fid_vector.push_back(13);
cricket::SsrcGroup invalid_fid_group(cricket::kFidSsrcGroupSemantics,
fid_vector);
cricket::StreamParams sp_invalid;
sp_invalid.add_ssrc(13);
sp_invalid.ssrc_groups.push_back(invalid_fid_group);
EXPECT_FALSE(sp_invalid.GetFidSsrc(13, &fid_ssrc));
}
TEST(StreamParams, GetPrimaryAndFidSsrcs) {
cricket::StreamParams sp;
sp.ssrcs.push_back(1);
sp.ssrcs.push_back(2);
sp.ssrcs.push_back(3);
std::vector<uint32_t> primary_ssrcs;
sp.GetPrimarySsrcs(&primary_ssrcs);
std::vector<uint32_t> fid_ssrcs;
sp.GetFidSsrcs(primary_ssrcs, &fid_ssrcs);
ASSERT_EQ(1u, primary_ssrcs.size());
EXPECT_EQ(1u, primary_ssrcs[0]);
ASSERT_EQ(0u, fid_ssrcs.size());
sp.ssrc_groups.push_back(
cricket::SsrcGroup(cricket::kSimSsrcGroupSemantics, sp.ssrcs));
sp.AddFidSsrc(1, 10);
sp.AddFidSsrc(2, 20);
primary_ssrcs.clear();
sp.GetPrimarySsrcs(&primary_ssrcs);
fid_ssrcs.clear();
sp.GetFidSsrcs(primary_ssrcs, &fid_ssrcs);
ASSERT_EQ(3u, primary_ssrcs.size());
EXPECT_EQ(1u, primary_ssrcs[0]);
EXPECT_EQ(2u, primary_ssrcs[1]);
EXPECT_EQ(3u, primary_ssrcs[2]);
ASSERT_EQ(2u, fid_ssrcs.size());
EXPECT_EQ(10u, fid_ssrcs[0]);
EXPECT_EQ(20u, fid_ssrcs[1]);
}
TEST(StreamParams, FecFrFunctions) {
uint32_t fecfr_ssrc;
cricket::StreamParams sp = cricket::StreamParams::CreateLegacy(1);
EXPECT_FALSE(sp.AddFecFrSsrc(10, 20));
EXPECT_TRUE(sp.AddFecFrSsrc(1, 2));
EXPECT_TRUE(sp.GetFecFrSsrc(1, &fecfr_ssrc));
EXPECT_EQ(2u, fecfr_ssrc);
EXPECT_FALSE(sp.GetFecFrSsrc(15, &fecfr_ssrc));
sp.add_ssrc(20);
EXPECT_TRUE(sp.AddFecFrSsrc(20, 30));
EXPECT_TRUE(sp.GetFecFrSsrc(20, &fecfr_ssrc));
EXPECT_EQ(30u, fecfr_ssrc);
// Manually create SsrcGroup to test bounds-checking
// in GetSecondarySsrc. We construct an invalid StreamParams
// for this.
std::vector<uint32_t> fecfr_vector;
fecfr_vector.push_back(13);
cricket::SsrcGroup invalid_fecfr_group(cricket::kFecFrSsrcGroupSemantics,
fecfr_vector);
cricket::StreamParams sp_invalid;
sp_invalid.add_ssrc(13);
sp_invalid.ssrc_groups.push_back(invalid_fecfr_group);
EXPECT_FALSE(sp_invalid.GetFecFrSsrc(13, &fecfr_ssrc));
}
TEST(StreamParams, ToString) {
cricket::StreamParams sp =
CreateStreamParamsWithSsrcGroup("XYZ", kSsrcs2, arraysize(kSsrcs2));
sp.set_stream_ids({"stream_id"});
EXPECT_STREQ(
"{ssrcs:[1,2];ssrc_groups:{semantics:XYZ;ssrcs:[1,2]};stream_ids:stream_"
"id;}",
sp.ToString().c_str());
}
TEST(StreamParams, TestGenerateSsrcs_SingleStreamWithRtxAndFlex) {
rtc::UniqueRandomIdGenerator generator;
cricket::StreamParams stream;
stream.GenerateSsrcs(1, true, true, &generator);
uint32_t primary_ssrc = stream.first_ssrc();
ASSERT_NE(0u, primary_ssrc);
uint32_t rtx_ssrc = 0;
uint32_t flex_ssrc = 0;
EXPECT_EQ(3u, stream.ssrcs.size());
EXPECT_TRUE(stream.GetFidSsrc(primary_ssrc, &rtx_ssrc));
EXPECT_NE(0u, rtx_ssrc);
EXPECT_TRUE(stream.GetFecFrSsrc(primary_ssrc, &flex_ssrc));
EXPECT_NE(0u, flex_ssrc);
EXPECT_FALSE(stream.has_ssrc_group(cricket::kSimSsrcGroupSemantics));
EXPECT_TRUE(stream.has_ssrc_group(cricket::kFidSsrcGroupSemantics));
EXPECT_TRUE(stream.has_ssrc_group(cricket::kFecFrSsrcGroupSemantics));
}
TEST(StreamParams, TestGenerateSsrcs_SingleStreamWithRtx) {
rtc::UniqueRandomIdGenerator generator;
cricket::StreamParams stream;
stream.GenerateSsrcs(1, true, false, &generator);
uint32_t primary_ssrc = stream.first_ssrc();
ASSERT_NE(0u, primary_ssrc);
uint32_t rtx_ssrc = 0;
uint32_t flex_ssrc = 0;
EXPECT_EQ(2u, stream.ssrcs.size());
EXPECT_TRUE(stream.GetFidSsrc(primary_ssrc, &rtx_ssrc));
EXPECT_NE(0u, rtx_ssrc);
EXPECT_FALSE(stream.GetFecFrSsrc(primary_ssrc, &flex_ssrc));
EXPECT_EQ(0u, flex_ssrc);
EXPECT_FALSE(stream.has_ssrc_group(cricket::kSimSsrcGroupSemantics));
EXPECT_TRUE(stream.has_ssrc_group(cricket::kFidSsrcGroupSemantics));
}
TEST(StreamParams, TestGenerateSsrcs_SingleStreamWithFlex) {
rtc::UniqueRandomIdGenerator generator;
cricket::StreamParams stream;
stream.GenerateSsrcs(1, false, true, &generator);
uint32_t primary_ssrc = stream.first_ssrc();
ASSERT_NE(0u, primary_ssrc);
uint32_t rtx_ssrc = 0;
uint32_t flex_ssrc = 0;
EXPECT_EQ(2u, stream.ssrcs.size());
EXPECT_FALSE(stream.GetFidSsrc(primary_ssrc, &rtx_ssrc));
EXPECT_EQ(0u, rtx_ssrc);
EXPECT_TRUE(stream.GetFecFrSsrc(primary_ssrc, &flex_ssrc));
EXPECT_NE(0u, flex_ssrc);
EXPECT_FALSE(stream.has_ssrc_group(cricket::kSimSsrcGroupSemantics));
EXPECT_TRUE(stream.has_ssrc_group(cricket::kFecFrSsrcGroupSemantics));
}
TEST(StreamParams, TestGenerateSsrcs_SimulcastLayersAndRtx) {
const size_t kNumStreams = 3;
rtc::UniqueRandomIdGenerator generator;
cricket::StreamParams stream;
stream.GenerateSsrcs(kNumStreams, true, false, &generator);
EXPECT_EQ(kNumStreams * 2, stream.ssrcs.size());
std::vector<uint32_t> primary_ssrcs, rtx_ssrcs;
stream.GetPrimarySsrcs(&primary_ssrcs);
EXPECT_EQ(kNumStreams, primary_ssrcs.size());
EXPECT_THAT(primary_ssrcs, Each(Ne(0u)));
stream.GetFidSsrcs(primary_ssrcs, &rtx_ssrcs);
EXPECT_EQ(kNumStreams, rtx_ssrcs.size());
EXPECT_THAT(rtx_ssrcs, Each(Ne(0u)));
EXPECT_TRUE(stream.has_ssrc_group(cricket::kSimSsrcGroupSemantics));
EXPECT_TRUE(stream.has_ssrc_group(cricket::kFidSsrcGroupSemantics));
}