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webrtc/media/base/codec_unittest.cc
Emircan Uysaler 98badbcd9f Add VP9 profile negotiation to SDP 
This CL adds VP9 profile information in SDP. It adds the necessary fields and
enums to codec containers.

Additional profiles will be followed.

Bug: webrtc:9376
Change-Id: I78574714f06f8087262a71dd64c01f31a229dd54
Reviewed-on: https://webrtc-review.googlesource.com/81960
Reviewed-by: Taylor (left Google) <deadbeef@webrtc.org>
Reviewed-by: Niklas Enbom <niklas.enbom@webrtc.org>
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Emircan Uysaler <emircan@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23810}
2018-07-02 23:38:41 +00:00

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/*
* Copyright (c) 2009 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.h"
#include "media/base/vp9_profile.h"
#include "rtc_base/gunit.h"
using cricket::AudioCodec;
using cricket::Codec;
using cricket::DataCodec;
using cricket::FeedbackParam;
using cricket::VideoCodec;
using cricket::kCodecParamAssociatedPayloadType;
using cricket::kCodecParamMaxBitrate;
using cricket::kCodecParamMinBitrate;
class TestCodec : public Codec {
public:
TestCodec(int id, const std::string& name, int clockrate)
: Codec(id, name, clockrate) {}
TestCodec() : Codec() {}
TestCodec(const TestCodec& c) : Codec(c) {}
};
TEST(CodecTest, TestCodecOperators) {
TestCodec c0(96, "D", 1000);
c0.SetParam("a", 1);
TestCodec c1 = c0;
EXPECT_TRUE(c1 == c0);
int param_value0;
int param_value1;
EXPECT_TRUE(c0.GetParam("a", &param_value0));
EXPECT_TRUE(c1.GetParam("a", &param_value1));
EXPECT_EQ(param_value0, param_value1);
c1.id = 86;
EXPECT_TRUE(c0 != c1);
c1 = c0;
c1.name = "x";
EXPECT_TRUE(c0 != c1);
c1 = c0;
c1.clockrate = 2000;
EXPECT_TRUE(c0 != c1);
c1 = c0;
c1.SetParam("a", 2);
EXPECT_TRUE(c0 != c1);
TestCodec c5;
TestCodec c6(0, "", 0);
EXPECT_TRUE(c5 == c6);
}
TEST(CodecTest, TestAudioCodecOperators) {
AudioCodec c0(96, "A", 44100, 20000, 2);
AudioCodec c1(95, "A", 44100, 20000, 2);
AudioCodec c2(96, "x", 44100, 20000, 2);
AudioCodec c3(96, "A", 48000, 20000, 2);
AudioCodec c4(96, "A", 44100, 10000, 2);
AudioCodec c5(96, "A", 44100, 20000, 1);
EXPECT_NE(c0, c1);
EXPECT_NE(c0, c2);
EXPECT_NE(c0, c3);
EXPECT_NE(c0, c4);
EXPECT_NE(c0, c5);
AudioCodec c7;
AudioCodec c8(0, "", 0, 0, 0);
AudioCodec c9 = c0;
EXPECT_EQ(c8, c7);
EXPECT_NE(c9, c7);
EXPECT_EQ(c9, c0);
AudioCodec c10(c0);
AudioCodec c11(c0);
AudioCodec c12(c0);
AudioCodec c13(c0);
c10.params["x"] = "abc";
c11.params["x"] = "def";
c12.params["y"] = "abc";
c13.params["x"] = "abc";
EXPECT_NE(c10, c0);
EXPECT_NE(c11, c0);
EXPECT_NE(c11, c10);
EXPECT_NE(c12, c0);
EXPECT_NE(c12, c10);
EXPECT_NE(c12, c11);
EXPECT_EQ(c13, c10);
}
TEST(CodecTest, TestAudioCodecMatches) {
// Test a codec with a static payload type.
AudioCodec c0(95, "A", 44100, 20000, 1);
EXPECT_TRUE(c0.Matches(AudioCodec(95, "", 44100, 20000, 1)));
EXPECT_TRUE(c0.Matches(AudioCodec(95, "", 44100, 20000, 0)));
EXPECT_TRUE(c0.Matches(AudioCodec(95, "", 44100, 0, 0)));
EXPECT_TRUE(c0.Matches(AudioCodec(95, "", 0, 0, 0)));
EXPECT_FALSE(c0.Matches(AudioCodec(96, "", 44100, 20000, 1)));
EXPECT_FALSE(c0.Matches(AudioCodec(95, "", 55100, 20000, 1)));
EXPECT_FALSE(c0.Matches(AudioCodec(95, "", 44100, 30000, 1)));
EXPECT_FALSE(c0.Matches(AudioCodec(95, "", 44100, 20000, 2)));
EXPECT_FALSE(c0.Matches(AudioCodec(95, "", 55100, 30000, 2)));
// Test a codec with a dynamic payload type.
AudioCodec c1(96, "A", 44100, 20000, 1);
EXPECT_TRUE(c1.Matches(AudioCodec(96, "A", 0, 0, 0)));
EXPECT_TRUE(c1.Matches(AudioCodec(97, "A", 0, 0, 0)));
EXPECT_TRUE(c1.Matches(AudioCodec(96, "a", 0, 0, 0)));
EXPECT_TRUE(c1.Matches(AudioCodec(97, "a", 0, 0, 0)));
EXPECT_FALSE(c1.Matches(AudioCodec(95, "A", 0, 0, 0)));
EXPECT_FALSE(c1.Matches(AudioCodec(96, "", 44100, 20000, 2)));
EXPECT_FALSE(c1.Matches(AudioCodec(96, "A", 55100, 30000, 1)));
// Test a codec with a dynamic payload type, and auto bitrate.
AudioCodec c2(97, "A", 16000, 0, 1);
// Use default bitrate.
EXPECT_TRUE(c2.Matches(AudioCodec(97, "A", 16000, 0, 1)));
EXPECT_TRUE(c2.Matches(AudioCodec(97, "A", 16000, 0, 0)));
// Use explicit bitrate.
EXPECT_TRUE(c2.Matches(AudioCodec(97, "A", 16000, 32000, 1)));
// Backward compatibility with clients that might send "-1" (for default).
EXPECT_TRUE(c2.Matches(AudioCodec(97, "A", 16000, -1, 1)));
// Stereo doesn't match channels = 0.
AudioCodec c3(96, "A", 44100, 20000, 2);
EXPECT_TRUE(c3.Matches(AudioCodec(96, "A", 44100, 20000, 2)));
EXPECT_FALSE(c3.Matches(AudioCodec(96, "A", 44100, 20000, 1)));
EXPECT_FALSE(c3.Matches(AudioCodec(96, "A", 44100, 20000, 0)));
}
TEST(CodecTest, TestVideoCodecOperators) {
VideoCodec c0(96, "V");
VideoCodec c1(95, "V");
VideoCodec c2(96, "x");
EXPECT_TRUE(c0 != c1);
EXPECT_TRUE(c0 != c2);
VideoCodec c7;
VideoCodec c8(0, "");
VideoCodec c9 = c0;
EXPECT_TRUE(c8 == c7);
EXPECT_TRUE(c9 != c7);
EXPECT_TRUE(c9 == c0);
VideoCodec c10(c0);
VideoCodec c11(c0);
VideoCodec c12(c0);
VideoCodec c13(c0);
c10.params["x"] = "abc";
c11.params["x"] = "def";
c12.params["y"] = "abc";
c13.params["x"] = "abc";
EXPECT_TRUE(c10 != c0);
EXPECT_TRUE(c11 != c0);
EXPECT_TRUE(c11 != c10);
EXPECT_TRUE(c12 != c0);
EXPECT_TRUE(c12 != c10);
EXPECT_TRUE(c12 != c11);
EXPECT_TRUE(c13 == c10);
}
TEST(CodecTest, TestVideoCodecMatches) {
// Test a codec with a static payload type.
VideoCodec c0(95, "V");
EXPECT_TRUE(c0.Matches(VideoCodec(95, "")));
EXPECT_FALSE(c0.Matches(VideoCodec(96, "")));
// Test a codec with a dynamic payload type.
VideoCodec c1(96, "V");
EXPECT_TRUE(c1.Matches(VideoCodec(96, "V")));
EXPECT_TRUE(c1.Matches(VideoCodec(97, "V")));
EXPECT_TRUE(c1.Matches(VideoCodec(96, "v")));
EXPECT_TRUE(c1.Matches(VideoCodec(97, "v")));
EXPECT_FALSE(c1.Matches(VideoCodec(96, "")));
EXPECT_FALSE(c1.Matches(VideoCodec(95, "V")));
}
// VP9 codecs compare profile information.
TEST(CodecTest, TestVP9CodecMatches) {
const char kProfile0[] = "0";
const char kProfile2[] = "2";
VideoCodec c_no_profile(95, cricket::kVp9CodecName);
VideoCodec c_profile0(95, cricket::kVp9CodecName);
c_profile0.params[webrtc::kVP9FmtpProfileId] = kProfile0;
EXPECT_TRUE(c_profile0.Matches(c_no_profile));
{
VideoCodec c_profile0_eq(95, cricket::kVp9CodecName);
c_profile0_eq.params[webrtc::kVP9FmtpProfileId] = kProfile0;
EXPECT_TRUE(c_profile0.Matches(c_profile0_eq));
}
{
VideoCodec c_profile2(95, cricket::kVp9CodecName);
c_profile2.params[webrtc::kVP9FmtpProfileId] = kProfile2;
EXPECT_FALSE(c_profile0.Matches(c_profile2));
EXPECT_FALSE(c_no_profile.Matches(c_profile2));
}
{
VideoCodec c_no_profile_eq(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";
VideoCodec pli_1_pm_0(95, "H264");
pli_1_pm_0.params[cricket::kH264FmtpProfileLevelId] = kProfileLevelId1;
pli_1_pm_0.params[cricket::kH264FmtpPacketizationMode] = "0";
{
VideoCodec pli_1_pm_blank(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));
}
{
VideoCodec pli_1_pm_1(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));
}
{
VideoCodec pli_2_pm_0(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));
}
}
TEST(CodecTest, TestDataCodecMatches) {
// Test a codec with a static payload type.
DataCodec c0(95, "D");
EXPECT_TRUE(c0.Matches(DataCodec(95, "")));
EXPECT_FALSE(c0.Matches(DataCodec(96, "")));
// Test a codec with a dynamic payload type.
DataCodec c1(96, "D");
EXPECT_TRUE(c1.Matches(DataCodec(96, "D")));
EXPECT_TRUE(c1.Matches(DataCodec(97, "D")));
EXPECT_TRUE(c1.Matches(DataCodec(96, "d")));
EXPECT_TRUE(c1.Matches(DataCodec(97, "d")));
EXPECT_FALSE(c1.Matches(DataCodec(96, "")));
EXPECT_FALSE(c1.Matches(DataCodec(95, "D")));
}
TEST(CodecTest, TestSetParamGetParamAndRemoveParam) {
AudioCodec codec;
codec.SetParam("a", "1");
codec.SetParam("b", "x");
int int_value = 0;
EXPECT_TRUE(codec.GetParam("a", &int_value));
EXPECT_EQ(1, int_value);
EXPECT_FALSE(codec.GetParam("b", &int_value));
EXPECT_FALSE(codec.GetParam("c", &int_value));
std::string str_value;
EXPECT_TRUE(codec.GetParam("a", &str_value));
EXPECT_EQ("1", str_value);
EXPECT_TRUE(codec.GetParam("b", &str_value));
EXPECT_EQ("x", str_value);
EXPECT_FALSE(codec.GetParam("c", &str_value));
EXPECT_TRUE(codec.RemoveParam("a"));
EXPECT_FALSE(codec.RemoveParam("c"));
}
TEST(CodecTest, TestIntersectFeedbackParams) {
const FeedbackParam a1("a", "1");
const FeedbackParam b2("b", "2");
const FeedbackParam b3("b", "3");
const FeedbackParam c3("c", "3");
TestCodec c1;
c1.AddFeedbackParam(a1); // Only match with c2.
c1.AddFeedbackParam(b2); // Same param different values.
c1.AddFeedbackParam(c3); // Not in c2.
TestCodec c2;
c2.AddFeedbackParam(a1);
c2.AddFeedbackParam(b3);
c1.IntersectFeedbackParams(c2);
EXPECT_TRUE(c1.HasFeedbackParam(a1));
EXPECT_FALSE(c1.HasFeedbackParam(b2));
EXPECT_FALSE(c1.HasFeedbackParam(c3));
}
TEST(CodecTest, TestGetCodecType) {
// Codec type comparison should be case insenstive on names.
const VideoCodec codec(96, "V");
const VideoCodec rtx_codec(96, "rTx");
const VideoCodec ulpfec_codec(96, "ulpFeC");
const VideoCodec flexfec_codec(96, "FlExFeC-03");
const VideoCodec red_codec(96, "ReD");
EXPECT_EQ(VideoCodec::CODEC_VIDEO, codec.GetCodecType());
EXPECT_EQ(VideoCodec::CODEC_RTX, rtx_codec.GetCodecType());
EXPECT_EQ(VideoCodec::CODEC_ULPFEC, ulpfec_codec.GetCodecType());
EXPECT_EQ(VideoCodec::CODEC_FLEXFEC, flexfec_codec.GetCodecType());
EXPECT_EQ(VideoCodec::CODEC_RED, red_codec.GetCodecType());
}
TEST(CodecTest, TestCreateRtxCodec) {
VideoCodec rtx_codec = VideoCodec::CreateRtxCodec(96, 120);
EXPECT_EQ(96, rtx_codec.id);
EXPECT_EQ(VideoCodec::CODEC_RTX, rtx_codec.GetCodecType());
int associated_payload_type;
ASSERT_TRUE(rtx_codec.GetParam(kCodecParamAssociatedPayloadType,
&associated_payload_type));
EXPECT_EQ(120, associated_payload_type);
}
TEST(CodecTest, TestValidateCodecFormat) {
const VideoCodec codec(96, "V");
ASSERT_TRUE(codec.ValidateCodecFormat());
// Accept 0-127 as payload types.
VideoCodec low_payload_type = codec;
low_payload_type.id = 0;
VideoCodec high_payload_type = codec;
high_payload_type.id = 127;
ASSERT_TRUE(low_payload_type.ValidateCodecFormat());
EXPECT_TRUE(high_payload_type.ValidateCodecFormat());
// Reject negative payloads.
VideoCodec negative_payload_type = codec;
negative_payload_type.id = -1;
EXPECT_FALSE(negative_payload_type.ValidateCodecFormat());
// Reject too-high payloads.
VideoCodec too_high_payload_type = codec;
too_high_payload_type.id = 128;
EXPECT_FALSE(too_high_payload_type.ValidateCodecFormat());
// Reject codecs with min bitrate > max bitrate.
VideoCodec incorrect_bitrates = codec;
incorrect_bitrates.params[kCodecParamMinBitrate] = "100";
incorrect_bitrates.params[kCodecParamMaxBitrate] = "80";
EXPECT_FALSE(incorrect_bitrates.ValidateCodecFormat());
// Accept min bitrate == max bitrate.
VideoCodec equal_bitrates = codec;
equal_bitrates.params[kCodecParamMinBitrate] = "100";
equal_bitrates.params[kCodecParamMaxBitrate] = "100";
EXPECT_TRUE(equal_bitrates.ValidateCodecFormat());
// Accept min bitrate < max bitrate.
VideoCodec different_bitrates = codec;
different_bitrates.params[kCodecParamMinBitrate] = "99";
different_bitrates.params[kCodecParamMaxBitrate] = "100";
EXPECT_TRUE(different_bitrates.ValidateCodecFormat());
}
TEST(CodecTest, TestToCodecParameters) {
VideoCodec v(96, "V");
v.SetParam("p1", "v1");
webrtc::RtpCodecParameters codec_params_1 = v.ToCodecParameters();
EXPECT_EQ(96, codec_params_1.payload_type);
EXPECT_EQ(cricket::MEDIA_TYPE_VIDEO, codec_params_1.kind);
EXPECT_EQ("V", codec_params_1.name);
EXPECT_EQ(cricket::kVideoCodecClockrate, codec_params_1.clock_rate);
EXPECT_EQ(absl::nullopt, codec_params_1.num_channels);
ASSERT_EQ(1u, codec_params_1.parameters.size());
EXPECT_EQ("p1", codec_params_1.parameters.begin()->first);
EXPECT_EQ("v1", codec_params_1.parameters.begin()->second);
AudioCodec a(97, "A", 44100, 20000, 2);
a.SetParam("p1", "a1");
webrtc::RtpCodecParameters codec_params_2 = a.ToCodecParameters();
EXPECT_EQ(97, codec_params_2.payload_type);
EXPECT_EQ(cricket::MEDIA_TYPE_AUDIO, codec_params_2.kind);
EXPECT_EQ("A", codec_params_2.name);
EXPECT_EQ(44100, codec_params_2.clock_rate);
EXPECT_EQ(2, codec_params_2.num_channels);
ASSERT_EQ(1u, codec_params_2.parameters.size());
EXPECT_EQ("p1", codec_params_2.parameters.begin()->first);
EXPECT_EQ("a1", codec_params_2.parameters.begin()->second);
}
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