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webrtc_m130/media/base/codec_comparators_unittest.cc
Harald Alvestrand 7a3c07b8ef Cleanup: Move all comparator tests to codec_comparators_unittests 
This CL has no functional changes.

Bug: webrtc:360058654
Change-Id: I28a9347a5787efd068bc207d4ab72d27cf7400c3
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/366202
Reviewed-by: Florent Castelli <orphis@webrtc.org>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Auto-Submit: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#43277}
2024-10-22 11:52:15 +00:00

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/*
* Copyright (c) 2024 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/codec_comparators.h"
#include <string>
#include "api/audio_codecs/audio_format.h"
#include "api/rtp_parameters.h"
#include "api/video_codecs/sdp_video_format.h"
#include "api/video_codecs/vp9_profile.h"
#include "media/base/codec.h"
#include "media/base/media_constants.h"
#include "test/gmock.h"
#include "test/gtest.h"
namespace webrtc {
using cricket::Codec;
using cricket::CreateAudioCodec;
using cricket::CreateVideoCodec;
using cricket::kH264CodecName;
using cricket::kH264FmtpPacketizationMode;
using ::testing::TestWithParam;
using ::testing::ValuesIn;
TEST(CodecComparatorsTest, CodecMatchesItself) {
Codec codec = cricket::CreateVideoCodec("custom");
EXPECT_TRUE(MatchesWithCodecRules(codec, codec));
}
TEST(CodecComparatorsTest, MismatchedBasicParameters) {
Codec codec = CreateAudioCodec(SdpAudioFormat("opus", 48000, 2));
Codec nonmatch_codec = codec;
nonmatch_codec.name = "g711";
EXPECT_FALSE(MatchesWithCodecRules(nonmatch_codec, codec));
nonmatch_codec = codec;
nonmatch_codec.clockrate = 8000;
EXPECT_FALSE(MatchesWithCodecRules(nonmatch_codec, codec));
nonmatch_codec = codec;
nonmatch_codec.channels = 1;
EXPECT_FALSE(MatchesWithCodecRules(nonmatch_codec, codec));
}
TEST(CodecComparatorsTest, H264PacketizationModeMismatch) {
Codec pt_mode_1 = CreateVideoCodec(kH264CodecName);
Codec pt_mode_0 = pt_mode_1;
pt_mode_0.SetParam(kH264FmtpPacketizationMode, "0");
EXPECT_FALSE(MatchesWithCodecRules(pt_mode_1, pt_mode_0));
EXPECT_FALSE(MatchesWithCodecRules(pt_mode_0, pt_mode_1));
Codec no_pt_mode = pt_mode_1;
no_pt_mode.RemoveParam(kH264FmtpPacketizationMode);
EXPECT_TRUE(MatchesWithCodecRules(pt_mode_0, no_pt_mode));
EXPECT_TRUE(MatchesWithCodecRules(no_pt_mode, pt_mode_0));
EXPECT_FALSE(MatchesWithCodecRules(no_pt_mode, pt_mode_1));
}
TEST(CodecComparatorsTest, AudioParametersIgnored) {
// Currently, all parameters on audio codecs are ignored for matching.
Codec basic_opus = CreateAudioCodec(SdpAudioFormat("opus", 48000, 2));
Codec opus_with_parameters = basic_opus;
opus_with_parameters.SetParam("stereo", "0");
EXPECT_TRUE(MatchesWithCodecRules(basic_opus, opus_with_parameters));
EXPECT_TRUE(MatchesWithCodecRules(opus_with_parameters, basic_opus));
opus_with_parameters.SetParam("nonsense", "stuff");
EXPECT_TRUE(MatchesWithCodecRules(basic_opus, opus_with_parameters));
EXPECT_TRUE(MatchesWithCodecRules(opus_with_parameters, basic_opus));
}
TEST(CodecComparatorsTest, StaticPayloadTypesIgnoreName) {
// This is the IANA registered format for PT 8
Codec codec_1 = CreateAudioCodec(8, "pcma", 8000, 1);
Codec codec_2 = CreateAudioCodec(8, "nonsense", 8000, 1);
EXPECT_TRUE(MatchesWithCodecRules(codec_1, codec_2));
}
struct TestParams {
std::string name;
SdpVideoFormat codec1;
SdpVideoFormat codec2;
bool expected_result;
};
using IsSameRtpCodecTest = TestWithParam<TestParams>;
TEST_P(IsSameRtpCodecTest, IsSameRtpCodec) {
TestParams param = GetParam();
Codec codec1 = cricket::CreateVideoCodec(param.codec1);
Codec codec2 = cricket::CreateVideoCodec(param.codec2);
EXPECT_EQ(IsSameRtpCodec(codec1, codec2.ToCodecParameters()),
param.expected_result);
}
INSTANTIATE_TEST_SUITE_P(
CodecTest,
IsSameRtpCodecTest,
ValuesIn<TestParams>({
{.name = "CodecWithDifferentName",
.codec1 = {"VP9", {}},
.codec2 = {"VP8", {}},
.expected_result = false},
{.name = "Vp8WithoutParameters",
.codec1 = {"vp8", {}},
.codec2 = {"VP8", {}},
.expected_result = true},
{.name = "Vp8WithSameParameters",
.codec1 = {"VP8", {{"x", "1"}}},
.codec2 = {"VP8", {{"x", "1"}}},
.expected_result = true},
{.name = "Vp8WithDifferentParameters",
.codec1 = {"VP8", {}},
.codec2 = {"VP8", {{"x", "1"}}},
.expected_result = false},
{.name = "Av1WithoutParameters",
.codec1 = {"AV1", {}},
.codec2 = {"AV1", {}},
.expected_result = true},
{.name = "Av1WithSameProfile",
.codec1 = {"AV1", SdpVideoFormat::AV1Profile0().parameters},
.codec2 = {"AV1", SdpVideoFormat::AV1Profile0().parameters},
.expected_result = true},
{.name = "Av1WithoutParametersTreatedAsProfile0",
.codec1 = {"AV1", SdpVideoFormat::AV1Profile0().parameters},
.codec2 = {"AV1", {}},
.expected_result = true},
{.name = "Av1WithoutProfileTreatedAsProfile0",
.codec1 = {"AV1", {{cricket::kAv1FmtpProfile, "0"}, {"x", "1"}}},
.codec2 = {"AV1", {{"x", "1"}}},
.expected_result = true},
{.name = "Av1WithDifferentProfile",
.codec1 = {"AV1", SdpVideoFormat::AV1Profile0().parameters},
.codec2 = {"AV1", SdpVideoFormat::AV1Profile1().parameters},
.expected_result = false},
{.name = "Av1WithDifferentParameters",
.codec1 = {"AV1", {{cricket::kAv1FmtpProfile, "0"}, {"x", "1"}}},
.codec2 = {"AV1", {{cricket::kAv1FmtpProfile, "0"}, {"x", "2"}}},
.expected_result = false},
{.name = "Vp9WithSameProfile",
.codec1 = {"VP9", SdpVideoFormat::VP9Profile0().parameters},
.codec2 = {"VP9", SdpVideoFormat::VP9Profile0().parameters},
.expected_result = true},
{.name = "Vp9WithoutProfileTreatedAsProfile0",
.codec1 = {"VP9", {{kVP9FmtpProfileId, "0"}, {"x", "1"}}},
.codec2 = {"VP9", {{"x", "1"}}},
.expected_result = true},
{.name = "Vp9WithDifferentProfile",
.codec1 = {"VP9", SdpVideoFormat::VP9Profile0().parameters},
.codec2 = {"VP9", SdpVideoFormat::VP9Profile1().parameters},
.expected_result = false},
{.name = "H264WithSamePacketizationMode",
.codec1 = {"H264", {{kH264FmtpPacketizationMode, "0"}}},
.codec2 = {"H264", {{kH264FmtpPacketizationMode, "0"}}},
.expected_result = true},
{.name = "H264WithoutPacketizationModeTreatedAsMode0",
.codec1 = {"H264", {{kH264FmtpPacketizationMode, "0"}, {"x", "1"}}},
.codec2 = {"H264", {{"x", "1"}}},
.expected_result = true},
{.name = "H264WithDifferentPacketizationMode",
.codec1 = {"H264", {{kH264FmtpPacketizationMode, "0"}}},
.codec2 = {"H264", {{kH264FmtpPacketizationMode, "1"}}},
.expected_result = false},
#ifdef RTC_ENABLE_H265
{.name = "H265WithSameProfile",
.codec1 = {"H265",
{{cricket::kH265FmtpProfileId, "1"},
{cricket::kH265FmtpTierFlag, "0"},
{cricket::kH265FmtpLevelId, "93"},
{cricket::kH265FmtpTxMode, "SRST"}}},
.codec2 = {"H265",
{{cricket::kH265FmtpProfileId, "1"},
{cricket::kH265FmtpTierFlag, "0"},
{cricket::kH265FmtpLevelId, "93"},
{cricket::kH265FmtpTxMode, "SRST"}}},
.expected_result = true},
{.name = "H265WithoutParametersTreatedAsDefault",
.codec1 = {"H265",
{{cricket::kH265FmtpProfileId, "1"},
{cricket::kH265FmtpTierFlag, "0"},
{cricket::kH265FmtpLevelId, "93"},
{cricket::kH265FmtpTxMode, "SRST"}}},
.codec2 = {"H265", {}},
.expected_result = true},
{.name = "H265WithDifferentProfile",
.codec1 = {"H265",
{{cricket::kH265FmtpProfileId, "1"},
{cricket::kH265FmtpTierFlag, "0"},
{cricket::kH265FmtpLevelId, "93"},
{cricket::kH265FmtpTxMode, "SRST"}}},
.codec2 = {"H265",
{{cricket::kH265FmtpProfileId, "1"},
{cricket::kH265FmtpTierFlag, "1"},
{cricket::kH265FmtpLevelId, "93"},
{cricket::kH265FmtpTxMode, "SRST"}}},
.expected_result = false},
#endif
}),
[](const testing::TestParamInfo<IsSameRtpCodecTest::ParamType>& info) {
return info.param.name;
});
TEST(CodecTest, TestCodecMatches) {
// Test a codec with a static payload type.
Codec c0 = cricket::CreateAudioCodec(34, "A", 44100, 1);
EXPECT_TRUE(c0.Matches(cricket::CreateAudioCodec(34, "", 44100, 1)));
EXPECT_TRUE(c0.Matches(cricket::CreateAudioCodec(34, "", 44100, 0)));
EXPECT_TRUE(c0.Matches(cricket::CreateAudioCodec(34, "", 44100, 0)));
EXPECT_TRUE(c0.Matches(cricket::CreateAudioCodec(34, "", 0, 0)));
EXPECT_FALSE(c0.Matches(cricket::CreateAudioCodec(96, "A", 44100, 1)));
EXPECT_FALSE(c0.Matches(cricket::CreateAudioCodec(96, "", 44100, 1)));
EXPECT_FALSE(c0.Matches(cricket::CreateAudioCodec(95, "", 55100, 1)));
EXPECT_FALSE(c0.Matches(cricket::CreateAudioCodec(95, "", 44100, 1)));
EXPECT_FALSE(c0.Matches(cricket::CreateAudioCodec(95, "", 44100, 2)));
EXPECT_FALSE(c0.Matches(cricket::CreateAudioCodec(95, "", 55100, 2)));
// Test a codec with a dynamic payload type.
Codec c1 = cricket::CreateAudioCodec(96, "A", 44100, 1);
EXPECT_TRUE(c1.Matches(cricket::CreateAudioCodec(96, "A", 0, 0)));
EXPECT_TRUE(c1.Matches(cricket::CreateAudioCodec(97, "A", 0, 0)));
EXPECT_TRUE(c1.Matches(cricket::CreateAudioCodec(96, "a", 0, 0)));
EXPECT_TRUE(c1.Matches(cricket::CreateAudioCodec(97, "a", 0, 0)));
EXPECT_TRUE(c1.Matches(cricket::CreateAudioCodec(35, "a", 0, 0)));
EXPECT_TRUE(c1.Matches(cricket::CreateAudioCodec(42, "a", 0, 0)));
EXPECT_TRUE(c1.Matches(cricket::CreateAudioCodec(65, "a", 0, 0)));
EXPECT_FALSE(c1.Matches(cricket::CreateAudioCodec(95, "A", 0, 0)));
EXPECT_FALSE(c1.Matches(cricket::CreateAudioCodec(34, "A", 0, 0)));
EXPECT_FALSE(c1.Matches(cricket::CreateAudioCodec(96, "", 44100, 2)));
EXPECT_FALSE(c1.Matches(cricket::CreateAudioCodec(96, "A", 55100, 1)));
// Test a codec with a dynamic payload type, and auto bitrate.
Codec c2 = cricket::CreateAudioCodec(97, "A", 16000, 1);
// Use default bitrate.
EXPECT_TRUE(c2.Matches(cricket::CreateAudioCodec(97, "A", 16000, 1)));
EXPECT_TRUE(c2.Matches(cricket::CreateAudioCodec(97, "A", 16000, 0)));
// Use explicit bitrate.
EXPECT_TRUE(c2.Matches(cricket::CreateAudioCodec(97, "A", 16000, 1)));
// Backward compatibility with clients that might send "-1" (for default).
EXPECT_TRUE(c2.Matches(cricket::CreateAudioCodec(97, "A", 16000, 1)));
// Stereo doesn't match channels = 0.
Codec c3 = cricket::CreateAudioCodec(96, "A", 44100, 2);
EXPECT_TRUE(c3.Matches(cricket::CreateAudioCodec(96, "A", 44100, 2)));
EXPECT_FALSE(c3.Matches(cricket::CreateAudioCodec(96, "A", 44100, 1)));
EXPECT_FALSE(c3.Matches(cricket::CreateAudioCodec(96, "A", 44100, 0)));
}
TEST(CodecTest, TestOpusAudioCodecWithDifferentParameters) {
Codec opus_with_fec = cricket::CreateAudioCodec(96, "opus", 48000, 2);
opus_with_fec.params["useinbandfec"] = "1";
Codec opus_without_fec = cricket::CreateAudioCodec(96, "opus", 48000, 2);
EXPECT_TRUE(opus_with_fec != opus_without_fec);
// Matches does not compare parameters for audio.
EXPECT_TRUE(opus_with_fec.Matches(opus_without_fec));
webrtc::RtpCodecParameters rtp_opus_with_fec =
opus_with_fec.ToCodecParameters();
// MatchesRtpCodec takes parameters into account.
EXPECT_TRUE(opus_with_fec.MatchesRtpCodec(rtp_opus_with_fec));
EXPECT_FALSE(opus_without_fec.MatchesRtpCodec(rtp_opus_with_fec));
}
TEST(CodecTest, TestVideoCodecMatches) {
// Test a codec with a static payload type.
Codec c0 = cricket::CreateVideoCodec(34, "V");
EXPECT_TRUE(c0.Matches(cricket::CreateVideoCodec(34, "")));
EXPECT_FALSE(c0.Matches(cricket::CreateVideoCodec(96, "")));
EXPECT_FALSE(c0.Matches(cricket::CreateVideoCodec(96, "V")));
// Test a codec with a dynamic payload type.
Codec c1 = cricket::CreateVideoCodec(96, "V");
EXPECT_TRUE(c1.Matches(cricket::CreateVideoCodec(96, "V")));
EXPECT_TRUE(c1.Matches(cricket::CreateVideoCodec(97, "V")));
EXPECT_TRUE(c1.Matches(cricket::CreateVideoCodec(96, "v")));
EXPECT_TRUE(c1.Matches(cricket::CreateVideoCodec(97, "v")));
EXPECT_TRUE(c1.Matches(cricket::CreateVideoCodec(35, "v")));
EXPECT_TRUE(c1.Matches(cricket::CreateVideoCodec(42, "v")));
EXPECT_TRUE(c1.Matches(cricket::CreateVideoCodec(65, "v")));
EXPECT_FALSE(c1.Matches(cricket::CreateVideoCodec(96, "")));
EXPECT_FALSE(c1.Matches(cricket::CreateVideoCodec(95, "V")));
EXPECT_FALSE(c1.Matches(cricket::CreateVideoCodec(34, "V")));
}
TEST(CodecTest, TestVideoCodecMatchesWithDifferentPacketization) {
Codec c0 = cricket::CreateVideoCodec(100, cricket::kVp8CodecName);
Codec c1 = cricket::CreateVideoCodec(101, cricket::kVp8CodecName);
c1.packetization = "raw";
EXPECT_TRUE(c0.Matches(c1));
EXPECT_TRUE(c1.Matches(c0));
}
// AV1 codecs compare profile information.
TEST(CodecTest, TestAV1CodecMatches) {
const char kProfile0[] = "0";
const char kProfile1[] = "1";
const char kProfile2[] = "2";
Codec c_no_profile = cricket::CreateVideoCodec(95, cricket::kAv1CodecName);
Codec c_profile0 = cricket::CreateVideoCodec(95, cricket::kAv1CodecName);
c_profile0.params[cricket::kAv1FmtpProfile] = kProfile0;
Codec c_profile1 = cricket::CreateVideoCodec(95, cricket::kAv1CodecName);
c_profile1.params[cricket::kAv1FmtpProfile] = kProfile1;
Codec c_profile2 = cricket::CreateVideoCodec(95, cricket::kAv1CodecName);
c_profile2.params[cricket::kAv1FmtpProfile] = kProfile2;
// An AV1 entry with no profile specified should be treated as profile-0.
EXPECT_TRUE(c_profile0.Matches(c_no_profile));
{
// Two AV1 entries without a profile specified are treated as duplicates.
Codec c_no_profile_eq =
cricket::CreateVideoCodec(95, cricket::kAv1CodecName);
EXPECT_TRUE(c_no_profile.Matches(c_no_profile_eq));
}
{
// Two AV1 entries with profile 0 specified are treated as duplicates.
Codec c_profile0_eq = cricket::CreateVideoCodec(95, cricket::kAv1CodecName);
c_profile0_eq.params[cricket::kAv1FmtpProfile] = kProfile0;
EXPECT_TRUE(c_profile0.Matches(c_profile0_eq));
}
{
// Two AV1 entries with profile 1 specified are treated as duplicates.
Codec c_profile1_eq = cricket::CreateVideoCodec(95, cricket::kAv1CodecName);
c_profile1_eq.params[cricket::kAv1FmtpProfile] = kProfile1;
EXPECT_TRUE(c_profile1.Matches(c_profile1_eq));
}
// AV1 entries with different profiles (0 and 1) are seen as distinct.
EXPECT_FALSE(c_profile0.Matches(c_profile1));
EXPECT_FALSE(c_no_profile.Matches(c_profile1));
// AV1 entries with different profiles (0 and 2) are seen as distinct.
EXPECT_FALSE(c_profile0.Matches(c_profile2));
EXPECT_FALSE(c_no_profile.Matches(c_profile2));
}
// VP9 codecs compare profile information.
TEST(CodecTest, TestVP9CodecMatches) {
const char kProfile0[] = "0";
const char kProfile2[] = "2";
Codec c_no_profile = cricket::CreateVideoCodec(95, cricket::kVp9CodecName);
Codec c_profile0 = cricket::CreateVideoCodec(95, cricket::kVp9CodecName);
c_profile0.params[webrtc::kVP9FmtpProfileId] = kProfile0;
EXPECT_TRUE(c_profile0.Matches(c_no_profile));
{
Codec c_profile0_eq = cricket::CreateVideoCodec(95, cricket::kVp9CodecName);
c_profile0_eq.params[webrtc::kVP9FmtpProfileId] = kProfile0;
EXPECT_TRUE(c_profile0.Matches(c_profile0_eq));
}
{
Codec c_profile2 = cricket::CreateVideoCodec(95, cricket::kVp9CodecName);
c_profile2.params[webrtc::kVP9FmtpProfileId] = kProfile2;
EXPECT_FALSE(c_profile0.Matches(c_profile2));
EXPECT_FALSE(c_no_profile.Matches(c_profile2));
}
{
Codec c_no_profile_eq =
cricket::CreateVideoCodec(95, cricket::kVp9CodecName);
EXPECT_TRUE(c_no_profile.Matches(c_no_profile_eq));
}
}
// Matching H264 codecs also need to have matching profile-level-id and
// packetization-mode.
TEST(CodecTest, TestH264CodecMatches) {
const char kProfileLevelId1[] = "42e01f";
const char kProfileLevelId2[] = "42a01e";
const char kProfileLevelId3[] = "42e01e";
Codec pli_1_pm_0 = cricket::CreateVideoCodec(95, "H264");
pli_1_pm_0.params[cricket::kH264FmtpProfileLevelId] = kProfileLevelId1;
pli_1_pm_0.params[cricket::kH264FmtpPacketizationMode] = "0";
{
Codec pli_1_pm_blank = cricket::CreateVideoCodec(95, "H264");
pli_1_pm_blank.params[cricket::kH264FmtpProfileLevelId] = kProfileLevelId1;
pli_1_pm_blank.params.erase(
pli_1_pm_blank.params.find(cricket::kH264FmtpPacketizationMode));
// Matches since if packetization-mode is not specified it defaults to "0".
EXPECT_TRUE(pli_1_pm_0.Matches(pli_1_pm_blank));
// MatchesRtpCodec does exact comparison of parameters.
EXPECT_FALSE(
pli_1_pm_0.MatchesRtpCodec(pli_1_pm_blank.ToCodecParameters()));
}
{
Codec pli_1_pm_1 = cricket::CreateVideoCodec(95, "H264");
pli_1_pm_1.params[cricket::kH264FmtpProfileLevelId] = kProfileLevelId1;
pli_1_pm_1.params[cricket::kH264FmtpPacketizationMode] = "1";
// Does not match since packetization-mode is different.
EXPECT_FALSE(pli_1_pm_0.Matches(pli_1_pm_1));
EXPECT_FALSE(pli_1_pm_0.MatchesRtpCodec(pli_1_pm_1.ToCodecParameters()));
}
{
Codec pli_2_pm_0 = cricket::CreateVideoCodec(95, "H264");
pli_2_pm_0.params[cricket::kH264FmtpProfileLevelId] = kProfileLevelId2;
pli_2_pm_0.params[cricket::kH264FmtpPacketizationMode] = "0";
// Does not match since profile-level-id is different.
EXPECT_FALSE(pli_1_pm_0.Matches(pli_2_pm_0));
EXPECT_FALSE(pli_1_pm_0.MatchesRtpCodec(pli_2_pm_0.ToCodecParameters()));
}
{
Codec pli_3_pm_0_asym = cricket::CreateVideoCodec(95, "H264");
pli_3_pm_0_asym.params[cricket::kH264FmtpProfileLevelId] = kProfileLevelId3;
pli_3_pm_0_asym.params[cricket::kH264FmtpPacketizationMode] = "0";
// Does match, profile-level-id is different but the level is not compared.
// and the profile matches.
EXPECT_TRUE(pli_1_pm_0.Matches(pli_3_pm_0_asym));
EXPECT_FALSE(
pli_1_pm_0.MatchesRtpCodec(pli_3_pm_0_asym.ToCodecParameters()));
//
}
}
#ifdef RTC_ENABLE_H265
// Matching H.265 codecs should have matching profile/tier/level and tx-mode.
TEST(CodecTest, TestH265CodecMatches) {
constexpr char kProfile1[] = "1";
constexpr char kTier1[] = "1";
constexpr char kLevel3_1[] = "93";
constexpr char kLevel4[] = "120";
constexpr char kTxMrst[] = "MRST";
Codec c_ptl_blank = cricket::CreateVideoCodec(95, cricket::kH265CodecName);
{
Codec c_profile_1 = cricket::CreateVideoCodec(95, cricket::kH265CodecName);
c_profile_1.params[cricket::kH265FmtpProfileId] = kProfile1;
// Matches since profile-id unspecified defaults to "1".
EXPECT_TRUE(c_ptl_blank.Matches(c_profile_1));
}
{
Codec c_tier_flag_1 =
cricket::CreateVideoCodec(95, cricket::kH265CodecName);
c_tier_flag_1.params[cricket::kH265FmtpTierFlag] = kTier1;
// Does not match since profile-space unspecified defaults to "0".
EXPECT_FALSE(c_ptl_blank.Matches(c_tier_flag_1));
}
{
Codec c_level_id_3_1 =
cricket::CreateVideoCodec(95, cricket::kH265CodecName);
c_level_id_3_1.params[cricket::kH265FmtpLevelId] = kLevel3_1;
// Matches since level-id unspecified defaults to "93".
EXPECT_TRUE(c_ptl_blank.Matches(c_level_id_3_1));
}
{
Codec c_level_id_4 = cricket::CreateVideoCodec(95, cricket::kH265CodecName);
c_level_id_4.params[cricket::kH265FmtpLevelId] = kLevel4;
// Matches since we ignore level-id when matching H.265 codecs.
EXPECT_TRUE(c_ptl_blank.Matches(c_level_id_4));
}
{
Codec c_tx_mode_mrst =
cricket::CreateVideoCodec(95, cricket::kH265CodecName);
c_tx_mode_mrst.params[cricket::kH265FmtpTxMode] = kTxMrst;
// Does not match since tx-mode implies to "SRST" and must be not specified
// when it is the only mode supported:
// https://datatracker.ietf.org/doc/html/draft-ietf-avtcore-hevc-webrtc
EXPECT_FALSE(c_ptl_blank.Matches(c_tx_mode_mrst));
}
}
#endif
TEST(CodecTest, TestMatchesRtpCodecRtx) {
const Codec rtx_codec_1 = cricket::CreateVideoRtxCodec(96, 120);
const Codec rtx_codec_2 = cricket::CreateVideoRtxCodec(96, 121);
EXPECT_TRUE(rtx_codec_1.Matches(rtx_codec_2));
// MatchesRtpCodec ignores the different associated payload type (apt) for
// RTX.
EXPECT_TRUE(rtx_codec_1.MatchesRtpCodec(rtx_codec_2.ToCodecParameters()));
}
} // namespace webrtc
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