| /* |
| * 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 "webrtc/base/gunit.h" |
| #include "webrtc/media/base/codec.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 CodecTest : public testing::Test { |
| public: |
| CodecTest() {} |
| }; |
| |
| TEST_F(CodecTest, TestCodecOperators) { |
| Codec c0(96, "D", 1000); |
| c0.SetParam("a", 1); |
| |
| Codec c1 = c0; |
| EXPECT_TRUE(c1 == c0); |
| |
| int param_value0; |
| int param_value1; |
| EXPECT_TRUE(c0.GetParam("a", ¶m_value0)); |
| EXPECT_TRUE(c1.GetParam("a", ¶m_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); |
| |
| Codec c5; |
| Codec c6(0, "", 0); |
| EXPECT_TRUE(c5 == c6); |
| } |
| |
| TEST_F(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_TRUE(c0 != c1); |
| EXPECT_TRUE(c0 != c2); |
| EXPECT_TRUE(c0 != c3); |
| EXPECT_TRUE(c0 != c4); |
| EXPECT_TRUE(c0 != c5); |
| |
| AudioCodec c7; |
| AudioCodec c8(0, "", 0, 0, 0); |
| AudioCodec c9 = c0; |
| EXPECT_TRUE(c8 == c7); |
| EXPECT_TRUE(c9 != c7); |
| EXPECT_TRUE(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_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_F(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_F(CodecTest, TestVideoCodecOperators) { |
| VideoCodec c0(96, "V", 320, 200, 30); |
| VideoCodec c1(95, "V", 320, 200, 30); |
| VideoCodec c2(96, "x", 320, 200, 30); |
| VideoCodec c3(96, "V", 120, 200, 30); |
| VideoCodec c4(96, "V", 320, 100, 30); |
| VideoCodec c5(96, "V", 320, 200, 10); |
| EXPECT_TRUE(c0 != c1); |
| EXPECT_TRUE(c0 != c2); |
| EXPECT_TRUE(c0 != c3); |
| EXPECT_TRUE(c0 != c4); |
| EXPECT_TRUE(c0 != c5); |
| |
| VideoCodec c7; |
| VideoCodec c8(0, "", 0, 0, 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_F(CodecTest, TestVideoCodecMatches) { |
| // Test a codec with a static payload type. |
| VideoCodec c0(95, "V", 320, 200, 30); |
| EXPECT_TRUE(c0.Matches(VideoCodec(95, "", 640, 400, 15))); |
| EXPECT_FALSE(c0.Matches(VideoCodec(96, "", 320, 200, 30))); |
| |
| // Test a codec with a dynamic payload type. |
| VideoCodec c1(96, "V", 320, 200, 30); |
| EXPECT_TRUE(c1.Matches(VideoCodec(96, "V", 640, 400, 15))); |
| EXPECT_TRUE(c1.Matches(VideoCodec(97, "V", 640, 400, 15))); |
| EXPECT_TRUE(c1.Matches(VideoCodec(96, "v", 640, 400, 15))); |
| EXPECT_TRUE(c1.Matches(VideoCodec(97, "v", 640, 400, 15))); |
| EXPECT_FALSE(c1.Matches(VideoCodec(96, "", 320, 200, 30))); |
| EXPECT_FALSE(c1.Matches(VideoCodec(95, "V", 640, 400, 15))); |
| } |
| |
| TEST_F(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_F(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_F(CodecTest, TestIntersectFeedbackParams) { |
| const FeedbackParam a1("a", "1"); |
| const FeedbackParam b2("b", "2"); |
| const FeedbackParam b3("b", "3"); |
| const FeedbackParam c3("c", "3"); |
| Codec c1; |
| c1.AddFeedbackParam(a1); // Only match with c2. |
| c1.AddFeedbackParam(b2); // Same param different values. |
| c1.AddFeedbackParam(c3); // Not in c2. |
| Codec 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_F(CodecTest, TestGetCodecType) { |
| // Codec type comparison should be case insenstive on names. |
| const VideoCodec codec(96, "V", 320, 200, 30); |
| const VideoCodec rtx_codec(96, "rTx", 320, 200, 30); |
| const VideoCodec ulpfec_codec(96, "ulpFeC", 320, 200, 30); |
| const VideoCodec red_codec(96, "ReD", 320, 200, 30); |
| 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_RED, red_codec.GetCodecType()); |
| } |
| |
| TEST_F(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_F(CodecTest, TestValidateCodecFormat) { |
| const VideoCodec codec(96, "V", 320, 200, 30); |
| 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 zero-width codecs. |
| VideoCodec zero_width = codec; |
| zero_width.width = 0; |
| EXPECT_FALSE(zero_width.ValidateCodecFormat()); |
| |
| // Reject zero-height codecs. |
| VideoCodec zero_height = codec; |
| zero_height.height = 0; |
| EXPECT_FALSE(zero_height.ValidateCodecFormat()); |
| |
| // Accept non-video codecs with zero dimensions. |
| VideoCodec zero_width_rtx_codec = VideoCodec::CreateRtxCodec(96, 120); |
| zero_width_rtx_codec.width = 0; |
| EXPECT_TRUE(zero_width_rtx_codec.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_F(CodecTest, TestToCodecParameters) { |
| const VideoCodec v(96, "V", 320, 200, 30); |
| webrtc::RtpCodecParameters codec_params_1 = v.ToCodecParameters(); |
| EXPECT_EQ(96, codec_params_1.payload_type); |
| EXPECT_EQ("V", codec_params_1.mime_type); |
| EXPECT_EQ(cricket::kVideoCodecClockrate, codec_params_1.clock_rate); |
| EXPECT_EQ(1, codec_params_1.channels); |
| |
| const AudioCodec a(97, "A", 44100, 20000, 2); |
| webrtc::RtpCodecParameters codec_params_2 = a.ToCodecParameters(); |
| EXPECT_EQ(97, codec_params_2.payload_type); |
| EXPECT_EQ("A", codec_params_2.mime_type); |
| EXPECT_EQ(44100, codec_params_2.clock_rate); |
| EXPECT_EQ(2, codec_params_2.channels); |
| } |