blob: aa50cbe91cea3e620ff81b7c30e34ab9ba30e96e [file] [log] [blame]
/*
* Copyright (c) 2016 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 "common_video/h264/profile_level_id.h"
#include <map>
#include <string>
#include "absl/types/optional.h"
#include "common_types.h" // NOLINT(build/include)
#include "media/base/h264_profile_level_id.h"
#include "test/gtest.h"
namespace webrtc {
namespace H264 {
TEST(H264ProfileLevelId, TestParsingInvalid) {
// Malformed strings.
EXPECT_FALSE(ParseProfileLevelId(""));
EXPECT_FALSE(ParseProfileLevelId(" 42e01f"));
EXPECT_FALSE(ParseProfileLevelId("4242e01f"));
EXPECT_FALSE(ParseProfileLevelId("e01f"));
EXPECT_FALSE(ParseProfileLevelId("gggggg"));
// Invalid level.
EXPECT_FALSE(ParseProfileLevelId("42e000"));
EXPECT_FALSE(ParseProfileLevelId("42e00f"));
EXPECT_FALSE(ParseProfileLevelId("42e0ff"));
// Invalid profile.
EXPECT_FALSE(ParseProfileLevelId("42e11f"));
EXPECT_FALSE(ParseProfileLevelId("58601f"));
EXPECT_FALSE(ParseProfileLevelId("64e01f"));
}
TEST(H264ProfileLevelId, TestParsingLevel) {
EXPECT_EQ(kLevel3_1, ParseProfileLevelId("42e01f")->level);
EXPECT_EQ(kLevel1_1, ParseProfileLevelId("42e00b")->level);
EXPECT_EQ(kLevel1_b, ParseProfileLevelId("42f00b")->level);
EXPECT_EQ(kLevel4_2, ParseProfileLevelId("42C02A")->level);
EXPECT_EQ(kLevel5_2, ParseProfileLevelId("640c34")->level);
}
TEST(H264ProfileLevelId, TestParsingConstrainedBaseline) {
EXPECT_EQ(kProfileConstrainedBaseline,
ParseProfileLevelId("42e01f")->profile);
EXPECT_EQ(kProfileConstrainedBaseline,
ParseProfileLevelId("42C02A")->profile);
EXPECT_EQ(kProfileConstrainedBaseline,
ParseProfileLevelId("4de01f")->profile);
EXPECT_EQ(kProfileConstrainedBaseline,
ParseProfileLevelId("58f01f")->profile);
}
TEST(H264ProfileLevelId, TestParsingBaseline) {
EXPECT_EQ(kProfileBaseline, ParseProfileLevelId("42a01f")->profile);
EXPECT_EQ(kProfileBaseline, ParseProfileLevelId("58A01F")->profile);
}
TEST(H264ProfileLevelId, TestParsingMain) {
EXPECT_EQ(kProfileMain, ParseProfileLevelId("4D401f")->profile);
}
TEST(H264ProfileLevelId, TestParsingHigh) {
EXPECT_EQ(kProfileHigh, ParseProfileLevelId("64001f")->profile);
}
TEST(H264ProfileLevelId, TestParsingConstrainedHigh) {
EXPECT_EQ(kProfileConstrainedHigh, ParseProfileLevelId("640c1f")->profile);
}
TEST(H264ProfileLevelId, TestSupportedLevel) {
EXPECT_EQ(kLevel2_1, *SupportedLevel(640 * 480, 25));
EXPECT_EQ(kLevel3_1, *SupportedLevel(1280 * 720, 30));
EXPECT_EQ(kLevel4_2, *SupportedLevel(1920 * 1280, 60));
}
// Test supported level below level 1 requirements.
TEST(H264ProfileLevelId, TestSupportedLevelInvalid) {
EXPECT_FALSE(SupportedLevel(0, 0));
// All levels support fps > 5.
EXPECT_FALSE(SupportedLevel(1280 * 720, 5));
// All levels support frame sizes > 183 * 137.
EXPECT_FALSE(SupportedLevel(183 * 137, 30));
}
TEST(H264ProfileLevelId, TestToString) {
EXPECT_EQ("42e01f", *ProfileLevelIdToString(ProfileLevelId(
kProfileConstrainedBaseline, kLevel3_1)));
EXPECT_EQ("42000a",
*ProfileLevelIdToString(ProfileLevelId(kProfileBaseline, kLevel1)));
EXPECT_EQ("4d001f",
ProfileLevelIdToString(ProfileLevelId(kProfileMain, kLevel3_1)));
EXPECT_EQ("640c2a", *ProfileLevelIdToString(
ProfileLevelId(kProfileConstrainedHigh, kLevel4_2)));
EXPECT_EQ("64002a",
*ProfileLevelIdToString(ProfileLevelId(kProfileHigh, kLevel4_2)));
}
TEST(H264ProfileLevelId, TestToStringLevel1b) {
EXPECT_EQ("42f00b", *ProfileLevelIdToString(ProfileLevelId(
kProfileConstrainedBaseline, kLevel1_b)));
EXPECT_EQ("42100b", *ProfileLevelIdToString(
ProfileLevelId(kProfileBaseline, kLevel1_b)));
EXPECT_EQ("4d100b",
*ProfileLevelIdToString(ProfileLevelId(kProfileMain, kLevel1_b)));
}
TEST(H264ProfileLevelId, TestToStringRoundTrip) {
EXPECT_EQ("42e01f", *ProfileLevelIdToString(*ParseProfileLevelId("42e01f")));
EXPECT_EQ("42e01f", *ProfileLevelIdToString(*ParseProfileLevelId("42E01F")));
EXPECT_EQ("4d100b", *ProfileLevelIdToString(*ParseProfileLevelId("4d100b")));
EXPECT_EQ("4d100b", *ProfileLevelIdToString(*ParseProfileLevelId("4D100B")));
EXPECT_EQ("640c2a", *ProfileLevelIdToString(*ParseProfileLevelId("640c2a")));
EXPECT_EQ("640c2a", *ProfileLevelIdToString(*ParseProfileLevelId("640C2A")));
}
TEST(H264ProfileLevelId, TestToStringInvalid) {
EXPECT_FALSE(ProfileLevelIdToString(ProfileLevelId(kProfileHigh, kLevel1_b)));
EXPECT_FALSE(ProfileLevelIdToString(
ProfileLevelId(kProfileConstrainedHigh, kLevel1_b)));
EXPECT_FALSE(ProfileLevelIdToString(
ProfileLevelId(static_cast<Profile>(255), kLevel3_1)));
}
TEST(H264ProfileLevelId, TestParseSdpProfileLevelIdEmpty) {
const absl::optional<ProfileLevelId> profile_level_id =
ParseSdpProfileLevelId(CodecParameterMap());
EXPECT_TRUE(profile_level_id);
EXPECT_EQ(kProfileConstrainedBaseline, profile_level_id->profile);
EXPECT_EQ(kLevel3_1, profile_level_id->level);
}
TEST(H264ProfileLevelId, TestParseSdpProfileLevelIdConstrainedHigh) {
CodecParameterMap params;
params["profile-level-id"] = "640c2a";
const absl::optional<ProfileLevelId> profile_level_id =
ParseSdpProfileLevelId(params);
EXPECT_TRUE(profile_level_id);
EXPECT_EQ(kProfileConstrainedHigh, profile_level_id->profile);
EXPECT_EQ(kLevel4_2, profile_level_id->level);
}
TEST(H264ProfileLevelId, TestParseSdpProfileLevelIdInvalid) {
CodecParameterMap params;
params["profile-level-id"] = "foobar";
EXPECT_FALSE(ParseSdpProfileLevelId(params));
}
TEST(H264ProfileLevelId, TestGenerateProfileLevelIdForAnswerEmpty) {
CodecParameterMap answer_params;
GenerateProfileLevelIdForAnswer(CodecParameterMap(), CodecParameterMap(),
&answer_params);
EXPECT_TRUE(answer_params.empty());
}
TEST(H264ProfileLevelId,
TestGenerateProfileLevelIdForAnswerLevelSymmetryCapped) {
CodecParameterMap low_level;
low_level["profile-level-id"] = "42e015";
CodecParameterMap high_level;
high_level["profile-level-id"] = "42e01f";
// Level asymmetry is not allowed; test that answer level is the lower of the
// local and remote levels.
CodecParameterMap answer_params;
GenerateProfileLevelIdForAnswer(low_level /* local_supported */,
high_level /* remote_offered */,
&answer_params);
EXPECT_EQ("42e015", answer_params["profile-level-id"]);
CodecParameterMap answer_params2;
GenerateProfileLevelIdForAnswer(high_level /* local_supported */,
low_level /* remote_offered */,
&answer_params2);
EXPECT_EQ("42e015", answer_params2["profile-level-id"]);
}
TEST(H264ProfileLevelId,
TestGenerateProfileLevelIdForAnswerConstrainedBaselineLevelAsymmetry) {
CodecParameterMap local_params;
local_params["profile-level-id"] = "42e01f";
local_params["level-asymmetry-allowed"] = "1";
CodecParameterMap remote_params;
remote_params["profile-level-id"] = "42e015";
remote_params["level-asymmetry-allowed"] = "1";
CodecParameterMap answer_params;
GenerateProfileLevelIdForAnswer(local_params, remote_params, &answer_params);
// When level asymmetry is allowed, we can answer a higher level than what was
// offered.
EXPECT_EQ("42e01f", answer_params["profile-level-id"]);
}
} // namespace H264
} // namespace webrtc