Source code
Revision control
Copy as Markdown
Other Tools
/*
* Copyright 2017 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 "pc/rtp_parameters_conversion.h"
#include <cstdint>
#include <map>
#include <string>
#include "api/media_types.h"
#include "media/base/codec.h"
#include "test/gmock.h"
#include "test/gtest.h"
using ::testing::UnorderedElementsAre;
namespace webrtc {
TEST(RtpParametersConversionTest, ToCricketFeedbackParam) {
auto result = ToCricketFeedbackParam(
{RtcpFeedbackType::CCM, RtcpFeedbackMessageType::FIR});
EXPECT_EQ(cricket::FeedbackParam("ccm", "fir"), result.value());
result = ToCricketFeedbackParam(RtcpFeedback(RtcpFeedbackType::LNTF));
EXPECT_EQ(cricket::FeedbackParam("goog-lntf"), result.value());
result = ToCricketFeedbackParam(
{RtcpFeedbackType::NACK, RtcpFeedbackMessageType::GENERIC_NACK});
EXPECT_EQ(cricket::FeedbackParam("nack"), result.value());
result = ToCricketFeedbackParam(
{RtcpFeedbackType::NACK, RtcpFeedbackMessageType::PLI});
EXPECT_EQ(cricket::FeedbackParam("nack", "pli"), result.value());
result = ToCricketFeedbackParam(RtcpFeedback(RtcpFeedbackType::REMB));
EXPECT_EQ(cricket::FeedbackParam("goog-remb"), result.value());
result = ToCricketFeedbackParam(RtcpFeedback(RtcpFeedbackType::TRANSPORT_CC));
EXPECT_EQ(cricket::FeedbackParam("transport-cc"), result.value());
}
TEST(RtpParametersConversionTest, ToCricketFeedbackParamErrors) {
// CCM with missing or invalid message type.
auto result = ToCricketFeedbackParam(RtcpFeedback(RtcpFeedbackType::CCM));
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
result = ToCricketFeedbackParam(
{RtcpFeedbackType::CCM, RtcpFeedbackMessageType::PLI});
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
// LNTF with message type (should be left empty).
result = ToCricketFeedbackParam(
{RtcpFeedbackType::LNTF, RtcpFeedbackMessageType::GENERIC_NACK});
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
// NACK with missing or invalid message type.
result = ToCricketFeedbackParam(RtcpFeedback(RtcpFeedbackType::NACK));
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
result = ToCricketFeedbackParam(
{RtcpFeedbackType::NACK, RtcpFeedbackMessageType::FIR});
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
// REMB with message type (should be left empty).
result = ToCricketFeedbackParam(
{RtcpFeedbackType::REMB, RtcpFeedbackMessageType::GENERIC_NACK});
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
// TRANSPORT_CC with message type (should be left empty).
result = ToCricketFeedbackParam(
{RtcpFeedbackType::TRANSPORT_CC, RtcpFeedbackMessageType::FIR});
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
}
TEST(RtpParametersConversionTest, ToAudioCodec) {
RtpCodecParameters codec;
codec.name = "AuDiO";
codec.kind = cricket::MEDIA_TYPE_AUDIO;
codec.payload_type = 120;
codec.clock_rate.emplace(36000);
codec.num_channels.emplace(6);
codec.parameters["foo"] = "bar";
codec.rtcp_feedback.emplace_back(RtcpFeedbackType::TRANSPORT_CC);
auto result = ToCricketCodec(codec);
ASSERT_TRUE(result.ok());
EXPECT_EQ("AuDiO", result.value().name);
EXPECT_EQ(120, result.value().id);
EXPECT_EQ(36000, result.value().clockrate);
EXPECT_EQ(6u, result.value().channels);
ASSERT_EQ(1u, result.value().params.size());
EXPECT_EQ("bar", result.value().params["foo"]);
EXPECT_EQ(1u, result.value().feedback_params.params().size());
EXPECT_TRUE(result.value().feedback_params.Has(
cricket::FeedbackParam("transport-cc")));
}
TEST(RtpParametersConversionTest, ToVideoCodec) {
RtpCodecParameters codec;
codec.name = "coolcodec";
codec.kind = cricket::MEDIA_TYPE_VIDEO;
codec.payload_type = 101;
codec.clock_rate.emplace(90000);
codec.parameters["foo"] = "bar";
codec.parameters["PING"] = "PONG";
codec.rtcp_feedback.emplace_back(RtcpFeedbackType::LNTF);
codec.rtcp_feedback.emplace_back(RtcpFeedbackType::TRANSPORT_CC);
codec.rtcp_feedback.emplace_back(RtcpFeedbackType::NACK,
RtcpFeedbackMessageType::PLI);
auto result = ToCricketCodec(codec);
ASSERT_TRUE(result.ok());
EXPECT_EQ("coolcodec", result.value().name);
EXPECT_EQ(101, result.value().id);
EXPECT_EQ(90000, result.value().clockrate);
ASSERT_EQ(2u, result.value().params.size());
EXPECT_EQ("bar", result.value().params["foo"]);
EXPECT_EQ("PONG", result.value().params["PING"]);
EXPECT_EQ(3u, result.value().feedback_params.params().size());
EXPECT_TRUE(
result.value().feedback_params.Has(cricket::FeedbackParam("goog-lntf")));
EXPECT_TRUE(result.value().feedback_params.Has(
cricket::FeedbackParam("transport-cc")));
EXPECT_TRUE(result.value().feedback_params.Has(
cricket::FeedbackParam("nack", "pli")));
}
// Trying to convert to an AudioCodec if the kind is "video" should fail.
TEST(RtpParametersConversionTest, ToCricketCodecInvalidKind) {
RtpCodecParameters audio_codec;
audio_codec.name = "opus";
audio_codec.kind = cricket::MEDIA_TYPE_VIDEO;
audio_codec.payload_type = 111;
audio_codec.clock_rate.emplace(48000);
audio_codec.num_channels.emplace(2);
RtpCodecParameters video_codec;
video_codec.name = "VP8";
video_codec.kind = cricket::MEDIA_TYPE_AUDIO;
video_codec.payload_type = 102;
video_codec.clock_rate.emplace(90000);
auto audio_result = ToCricketCodec(audio_codec);
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, audio_result.error().type());
auto video_result = ToCricketCodec(video_codec);
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, video_result.error().type());
// Sanity check that if the kind is correct, the conversion succeeds.
audio_codec.kind = cricket::MEDIA_TYPE_AUDIO;
video_codec.kind = cricket::MEDIA_TYPE_VIDEO;
audio_result = ToCricketCodec(audio_codec);
EXPECT_TRUE(audio_result.ok());
video_result = ToCricketCodec(video_codec);
EXPECT_TRUE(video_result.ok());
}
TEST(RtpParametersConversionTest, ToAudioCodecInvalidParameters) {
// Missing channels.
RtpCodecParameters codec;
codec.name = "opus";
codec.kind = cricket::MEDIA_TYPE_AUDIO;
codec.payload_type = 111;
codec.clock_rate.emplace(48000);
auto result = ToCricketCodec(codec);
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
// Negative number of channels.
codec.num_channels.emplace(-1);
result = ToCricketCodec(codec);
EXPECT_EQ(RTCErrorType::INVALID_RANGE, result.error().type());
// Missing clock rate.
codec.num_channels.emplace(2);
codec.clock_rate.reset();
result = ToCricketCodec(codec);
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
// Negative clock rate.
codec.clock_rate.emplace(-48000);
result = ToCricketCodec(codec);
EXPECT_EQ(RTCErrorType::INVALID_RANGE, result.error().type());
// Sanity check that conversion succeeds if these errors are fixed.
codec.clock_rate.emplace(48000);
result = ToCricketCodec(codec);
EXPECT_TRUE(result.ok());
}
TEST(RtpParametersConversionTest, ToVideoCodecInvalidParameters) {
// Missing clock rate.
RtpCodecParameters codec;
codec.name = "VP8";
codec.kind = cricket::MEDIA_TYPE_VIDEO;
codec.payload_type = 102;
auto result = ToCricketCodec(codec);
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
// Invalid clock rate.
codec.clock_rate.emplace(48000);
result = ToCricketCodec(codec);
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
// Channels set (should be unset).
codec.clock_rate.emplace(90000);
codec.num_channels.emplace(2);
result = ToCricketCodec(codec);
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
// Sanity check that conversion succeeds if these errors are fixed.
codec.num_channels.reset();
result = ToCricketCodec(codec);
EXPECT_TRUE(result.ok());
}
TEST(RtpParametersConversionTest, ToCricketCodecInvalidPayloadType) {
RtpCodecParameters codec;
codec.name = "VP8";
codec.kind = cricket::MEDIA_TYPE_VIDEO;
codec.clock_rate.emplace(90000);
codec.payload_type = -1000;
auto result = ToCricketCodec(codec);
EXPECT_EQ(RTCErrorType::INVALID_RANGE, result.error().type());
// Max payload type is 127.
codec.payload_type = 128;
result = ToCricketCodec(codec);
EXPECT_EQ(RTCErrorType::INVALID_RANGE, result.error().type());
// Sanity check that conversion succeeds with a valid payload type.
codec.payload_type = 127;
result = ToCricketCodec(codec);
EXPECT_TRUE(result.ok());
}
// There are already tests for ToCricketFeedbackParam, but ensure that those
// errors are propagated from ToCricketCodec.
TEST(RtpParametersConversionTest, ToCricketCodecInvalidRtcpFeedback) {
RtpCodecParameters codec;
codec.name = "VP8";
codec.kind = cricket::MEDIA_TYPE_VIDEO;
codec.clock_rate.emplace(90000);
codec.payload_type = 99;
codec.rtcp_feedback.emplace_back(RtcpFeedbackType::CCM,
RtcpFeedbackMessageType::PLI);
auto result = ToCricketCodec(codec);
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
// Sanity check that conversion succeeds without invalid feedback.
codec.rtcp_feedback.clear();
result = ToCricketCodec(codec);
EXPECT_TRUE(result.ok());
}
TEST(RtpParametersConversionTest, ToCricketCodecs) {
std::vector<RtpCodecParameters> codecs;
RtpCodecParameters codec;
codec.name = "VP8";
codec.kind = cricket::MEDIA_TYPE_VIDEO;
codec.clock_rate.emplace(90000);
codec.payload_type = 99;
codecs.push_back(codec);
codec.name = "VP9";
codec.payload_type = 100;
codecs.push_back(codec);
auto result = ToCricketCodecs(codecs);
ASSERT_TRUE(result.ok());
ASSERT_EQ(2u, result.value().size());
EXPECT_EQ("VP8", result.value()[0].name);
EXPECT_EQ(99, result.value()[0].id);
EXPECT_EQ("VP9", result.value()[1].name);
EXPECT_EQ(100, result.value()[1].id);
}
TEST(RtpParametersConversionTest, ToCricketCodecsDuplicatePayloadType) {
std::vector<RtpCodecParameters> codecs;
RtpCodecParameters codec;
codec.name = "VP8";
codec.kind = cricket::MEDIA_TYPE_VIDEO;
codec.clock_rate.emplace(90000);
codec.payload_type = 99;
codecs.push_back(codec);
codec.name = "VP9";
codec.payload_type = 99;
codecs.push_back(codec);
auto result = ToCricketCodecs(codecs);
EXPECT_EQ(RTCErrorType::INVALID_PARAMETER, result.error().type());
// Sanity check that this succeeds without the duplicate payload type.
codecs[1].payload_type = 120;
result = ToCricketCodecs(codecs);
EXPECT_TRUE(result.ok());
}
TEST(RtpParametersConversionTest, ToCricketStreamParamsVecSimple) {
std::vector<RtpEncodingParameters> encodings;
RtpEncodingParameters encoding;
encoding.ssrc.emplace(0xbaadf00d);
encodings.push_back(encoding);
auto result = ToCricketStreamParamsVec(encodings);
ASSERT_TRUE(result.ok());
ASSERT_EQ(1u, result.value().size());
EXPECT_EQ(1u, result.value()[0].ssrcs.size());
EXPECT_EQ(0xbaadf00d, result.value()[0].first_ssrc());
}
// No encodings should be accepted; an endpoint may want to prepare a
// decoder/encoder without having something to receive/send yet.
TEST(RtpParametersConversionTest, ToCricketStreamParamsVecNoEncodings) {
std::vector<RtpEncodingParameters> encodings;
auto result = ToCricketStreamParamsVec(encodings);
ASSERT_TRUE(result.ok());
EXPECT_EQ(0u, result.value().size());
}
// An encoding without SSRCs should be accepted. This could be the case when
// SSRCs aren't signaled and payload-type based demuxing is used.
TEST(RtpParametersConversionTest, ToCricketStreamParamsVecMissingSsrcs) {
std::vector<RtpEncodingParameters> encodings = {{}};
// Creates RtxParameters with empty SSRC.
auto result = ToCricketStreamParamsVec(encodings);
ASSERT_TRUE(result.ok());
EXPECT_EQ(0u, result.value().size());
}
// TODO(deadbeef): Update this test when we support multiple encodings.
TEST(RtpParametersConversionTest, ToCricketStreamParamsVecMultipleEncodings) {
std::vector<RtpEncodingParameters> encodings = {{}, {}};
auto result = ToCricketStreamParamsVec(encodings);
EXPECT_EQ(RTCErrorType::UNSUPPORTED_PARAMETER, result.error().type());
}
TEST(RtpParametersConversionTest, ToRtcpFeedback) {
absl::optional<RtcpFeedback> result = ToRtcpFeedback({"ccm", "fir"});
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::CCM, RtcpFeedbackMessageType::FIR),
*result);
result = ToRtcpFeedback(cricket::FeedbackParam("goog-lntf"));
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::LNTF), *result);
result = ToRtcpFeedback(cricket::FeedbackParam("nack"));
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::NACK,
RtcpFeedbackMessageType::GENERIC_NACK),
*result);
result = ToRtcpFeedback({"nack", "pli"});
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::NACK, RtcpFeedbackMessageType::PLI),
*result);
result = ToRtcpFeedback(cricket::FeedbackParam("goog-remb"));
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::REMB), *result);
result = ToRtcpFeedback(cricket::FeedbackParam("transport-cc"));
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::TRANSPORT_CC), *result);
}
TEST(RtpParametersConversionTest, ToRtcpFeedbackErrors) {
// CCM with missing or invalid message type.
absl::optional<RtcpFeedback> result = ToRtcpFeedback({"ccm", "pli"});
EXPECT_FALSE(result);
result = ToRtcpFeedback(cricket::FeedbackParam("ccm"));
EXPECT_FALSE(result);
// LNTF with message type (should be left empty).
result = ToRtcpFeedback({"goog-lntf", "pli"});
EXPECT_FALSE(result);
// NACK with missing or invalid message type.
result = ToRtcpFeedback({"nack", "fir"});
EXPECT_FALSE(result);
// REMB with message type (should be left empty).
result = ToRtcpFeedback({"goog-remb", "pli"});
EXPECT_FALSE(result);
// TRANSPORT_CC with message type (should be left empty).
result = ToRtcpFeedback({"transport-cc", "fir"});
EXPECT_FALSE(result);
// Unknown message type.
result = ToRtcpFeedback(cricket::FeedbackParam("foo"));
EXPECT_FALSE(result);
}
TEST(RtpParametersConversionTest, ToAudioRtpCodecCapability) {
cricket::Codec cricket_codec = cricket::CreateAudioCodec(50, "foo", 22222, 4);
cricket_codec.params["foo"] = "bar";
cricket_codec.feedback_params.Add(cricket::FeedbackParam("transport-cc"));
RtpCodecCapability codec = ToRtpCodecCapability(cricket_codec);
EXPECT_EQ("foo", codec.name);
EXPECT_EQ(cricket::MEDIA_TYPE_AUDIO, codec.kind);
EXPECT_EQ(50, codec.preferred_payload_type);
EXPECT_EQ(22222, codec.clock_rate);
EXPECT_EQ(4, codec.num_channels);
ASSERT_EQ(1u, codec.parameters.size());
EXPECT_EQ("bar", codec.parameters["foo"]);
EXPECT_EQ(1u, codec.rtcp_feedback.size());
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::TRANSPORT_CC),
codec.rtcp_feedback[0]);
}
TEST(RtpParametersConversionTest, ToVideoRtpCodecCapability) {
cricket::Codec cricket_codec = cricket::CreateVideoCodec(101, "VID");
cricket_codec.clockrate = 80000;
cricket_codec.params["foo"] = "bar";
cricket_codec.params["ANOTHER"] = "param";
cricket_codec.feedback_params.Add(cricket::FeedbackParam("transport-cc"));
cricket_codec.feedback_params.Add(cricket::FeedbackParam("goog-lntf"));
cricket_codec.feedback_params.Add({"nack", "pli"});
RtpCodecCapability codec = ToRtpCodecCapability(cricket_codec);
EXPECT_EQ("VID", codec.name);
EXPECT_EQ(cricket::MEDIA_TYPE_VIDEO, codec.kind);
EXPECT_EQ(101, codec.preferred_payload_type);
EXPECT_EQ(80000, codec.clock_rate);
ASSERT_EQ(2u, codec.parameters.size());
EXPECT_EQ("bar", codec.parameters["foo"]);
EXPECT_EQ("param", codec.parameters["ANOTHER"]);
EXPECT_EQ(3u, codec.rtcp_feedback.size());
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::TRANSPORT_CC),
codec.rtcp_feedback[0]);
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::LNTF), codec.rtcp_feedback[1]);
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::NACK, RtcpFeedbackMessageType::PLI),
codec.rtcp_feedback[2]);
}
TEST(RtpParametersConversionTest, ToRtpEncodingsWithEmptyStreamParamsVec) {
cricket::StreamParamsVec streams;
auto rtp_encodings = ToRtpEncodings(streams);
ASSERT_EQ(0u, rtp_encodings.size());
}
TEST(RtpParametersConversionTest, ToRtpEncodingsWithMultipleStreamParams) {
cricket::StreamParamsVec streams;
cricket::StreamParams stream1;
stream1.ssrcs.push_back(1111u);
cricket::StreamParams stream2;
stream2.ssrcs.push_back(2222u);
streams.push_back(stream1);
streams.push_back(stream2);
auto rtp_encodings = ToRtpEncodings(streams);
ASSERT_EQ(2u, rtp_encodings.size());
EXPECT_EQ(1111u, rtp_encodings[0].ssrc);
EXPECT_EQ(2222u, rtp_encodings[1].ssrc);
}
TEST(RtpParametersConversionTest, ToAudioRtpCodecParameters) {
cricket::Codec cricket_codec = cricket::CreateAudioCodec(50, "foo", 22222, 4);
cricket_codec.params["foo"] = "bar";
cricket_codec.feedback_params.Add(cricket::FeedbackParam("transport-cc"));
RtpCodecParameters codec = ToRtpCodecParameters(cricket_codec);
EXPECT_EQ("foo", codec.name);
EXPECT_EQ(cricket::MEDIA_TYPE_AUDIO, codec.kind);
EXPECT_EQ(50, codec.payload_type);
EXPECT_EQ(22222, codec.clock_rate);
EXPECT_EQ(4, codec.num_channels);
ASSERT_EQ(1u, codec.parameters.size());
EXPECT_EQ("bar", codec.parameters["foo"]);
EXPECT_EQ(1u, codec.rtcp_feedback.size());
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::TRANSPORT_CC),
codec.rtcp_feedback[0]);
}
TEST(RtpParametersConversionTest, ToVideoRtpCodecParameters) {
cricket::Codec cricket_codec = cricket::CreateVideoCodec(101, "VID");
cricket_codec.clockrate = 80000;
cricket_codec.params["foo"] = "bar";
cricket_codec.params["ANOTHER"] = "param";
cricket_codec.feedback_params.Add(cricket::FeedbackParam("transport-cc"));
cricket_codec.feedback_params.Add(cricket::FeedbackParam("goog-lntf"));
cricket_codec.feedback_params.Add({"nack", "pli"});
RtpCodecParameters codec = ToRtpCodecParameters(cricket_codec);
EXPECT_EQ("VID", codec.name);
EXPECT_EQ(cricket::MEDIA_TYPE_VIDEO, codec.kind);
EXPECT_EQ(101, codec.payload_type);
EXPECT_EQ(80000, codec.clock_rate);
ASSERT_EQ(2u, codec.parameters.size());
EXPECT_EQ("bar", codec.parameters["foo"]);
EXPECT_EQ("param", codec.parameters["ANOTHER"]);
EXPECT_EQ(3u, codec.rtcp_feedback.size());
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::TRANSPORT_CC),
codec.rtcp_feedback[0]);
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::LNTF), codec.rtcp_feedback[1]);
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::NACK, RtcpFeedbackMessageType::PLI),
codec.rtcp_feedback[2]);
}
// An unknown feedback param should just be ignored.
TEST(RtpParametersConversionTest, ToRtpCodecCapabilityUnknownFeedbackParam) {
cricket::Codec cricket_codec = cricket::CreateAudioCodec(50, "foo", 22222, 4);
cricket_codec.params["foo"] = "bar";
cricket_codec.feedback_params.Add({"unknown", "param"});
cricket_codec.feedback_params.Add(cricket::FeedbackParam("transport-cc"));
RtpCodecCapability codec = ToRtpCodecCapability(cricket_codec);
ASSERT_EQ(1u, codec.rtcp_feedback.size());
EXPECT_EQ(RtcpFeedback(RtcpFeedbackType::TRANSPORT_CC),
codec.rtcp_feedback[0]);
}
// Most of ToRtpCapabilities is tested by ToRtpCodecCapability, but we need to
// test that the result of ToRtpCodecCapability ends up in the result, and that
// the "fec" list is assembled correctly.
TEST(RtpParametersConversionTest, ToRtpCapabilities) {
cricket::Codec vp8 = cricket::CreateVideoCodec(101, "VP8");
vp8.clockrate = 90000;
cricket::Codec red = cricket::CreateVideoCodec(102, "red");
red.clockrate = 90000;
cricket::Codec ulpfec = cricket::CreateVideoCodec(103, "ulpfec");
ulpfec.clockrate = 90000;
cricket::Codec flexfec = cricket::CreateVideoCodec(102, "flexfec-03");
flexfec.clockrate = 90000;
cricket::Codec rtx = cricket::CreateVideoRtxCodec(014, 101);
cricket::Codec rtx2 = cricket::CreateVideoRtxCodec(105, 109);
RtpCapabilities capabilities =
ToRtpCapabilities({vp8, ulpfec, rtx, rtx2}, {{"uri", 1}, {"uri2", 3}});
ASSERT_EQ(3u, capabilities.codecs.size());
EXPECT_EQ("VP8", capabilities.codecs[0].name);
EXPECT_EQ("ulpfec", capabilities.codecs[1].name);
EXPECT_EQ("rtx", capabilities.codecs[2].name);
EXPECT_EQ(0u, capabilities.codecs[2].parameters.size());
ASSERT_EQ(2u, capabilities.header_extensions.size());
EXPECT_EQ("uri", capabilities.header_extensions[0].uri);
EXPECT_EQ(1, capabilities.header_extensions[0].preferred_id);
EXPECT_EQ("uri2", capabilities.header_extensions[1].uri);
EXPECT_EQ(3, capabilities.header_extensions[1].preferred_id);
EXPECT_EQ(0u, capabilities.fec.size());
capabilities = ToRtpCapabilities({vp8, red, ulpfec, rtx},
cricket::RtpHeaderExtensions());
EXPECT_EQ(4u, capabilities.codecs.size());
EXPECT_THAT(
capabilities.fec,
UnorderedElementsAre(FecMechanism::RED, FecMechanism::RED_AND_ULPFEC));
capabilities =
ToRtpCapabilities({vp8, red, flexfec}, cricket::RtpHeaderExtensions());
EXPECT_EQ(3u, capabilities.codecs.size());
EXPECT_THAT(capabilities.fec,
UnorderedElementsAre(FecMechanism::RED, FecMechanism::FLEXFEC));
}
TEST(RtpParametersConversionTest, ToRtpParameters) {
cricket::Codec vp8 = cricket::CreateVideoCodec(101, "VP8");
vp8.clockrate = 90000;
cricket::Codec red = cricket::CreateVideoCodec(102, "red");
red.clockrate = 90000;
cricket::Codec ulpfec = cricket::CreateVideoCodec(103, "ulpfec");
ulpfec.clockrate = 90000;
cricket::StreamParamsVec streams;
cricket::StreamParams stream;
stream.ssrcs.push_back(1234u);
streams.push_back(stream);
RtpParameters rtp_parameters =
ToRtpParameters({vp8, red, ulpfec}, {{"uri", 1}, {"uri2", 3}}, streams);
ASSERT_EQ(3u, rtp_parameters.codecs.size());
EXPECT_EQ("VP8", rtp_parameters.codecs[0].name);
EXPECT_EQ("red", rtp_parameters.codecs[1].name);
EXPECT_EQ("ulpfec", rtp_parameters.codecs[2].name);
ASSERT_EQ(2u, rtp_parameters.header_extensions.size());
EXPECT_EQ("uri", rtp_parameters.header_extensions[0].uri);
EXPECT_EQ(1, rtp_parameters.header_extensions[0].id);
EXPECT_EQ("uri2", rtp_parameters.header_extensions[1].uri);
EXPECT_EQ(3, rtp_parameters.header_extensions[1].id);
ASSERT_EQ(1u, rtp_parameters.encodings.size());
EXPECT_EQ(1234u, rtp_parameters.encodings[0].ssrc);
}
} // namespace webrtc