Source code
Revision control
Copy as Markdown
Other Tools
/*
* Copyright 2004 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/codec_vendor.h"
#include <stddef.h>
#include <string>
#include <vector>
#include "absl/strings/string_view.h"
#include "call/payload_type.h"
#include "media/base/codec.h"
#include "media/base/codec_list.h"
#include "media/base/media_constants.h"
#include "media/base/test_utils.h"
#include "rtc_base/checks.h"
#include "test/gtest.h"
namespace cricket {
namespace {
Codec CreateRedAudioCodec(absl::string_view encoding_id) {
Codec red = CreateAudioCodec(63, "red", 48000, 2);
red.SetParam(kCodecParamNotInNameValueFormat,
std::string(encoding_id) + '/' + std::string(encoding_id));
return red;
}
const Codec kAudioCodecs1[] = {CreateAudioCodec(111, "opus", 48000, 2),
CreateRedAudioCodec("111"),
CreateAudioCodec(102, "iLBC", 8000, 1),
CreateAudioCodec(0, "PCMU", 8000, 1),
CreateAudioCodec(8, "PCMA", 8000, 1),
CreateAudioCodec(107, "CN", 48000, 1)};
const Codec kAudioCodecs2[] = {
CreateAudioCodec(126, "foo", 16000, 1),
CreateAudioCodec(0, "PCMU", 8000, 1),
CreateAudioCodec(127, "iLBC", 8000, 1),
};
const Codec kAudioCodecsAnswer[] = {
CreateAudioCodec(102, "iLBC", 8000, 1),
CreateAudioCodec(0, "PCMU", 8000, 1),
};
TEST(CodecVendorTest, TestSetAudioCodecs) {
CodecVendor codec_vendor(nullptr, false);
std::vector<Codec> send_codecs = MAKE_VECTOR(kAudioCodecs1);
std::vector<Codec> recv_codecs = MAKE_VECTOR(kAudioCodecs2);
// The merged list of codecs should contain any send codecs that are also
// nominally in the receive codecs list. Payload types should be picked from
// the send codecs and a number-of-channels of 0 and 1 should be equivalent
// (set to 1). This equals what happens when the send codecs are used in an
// offer and the receive codecs are used in the following answer.
const std::vector<Codec> sendrecv_codecs = MAKE_VECTOR(kAudioCodecsAnswer);
CodecList no_codecs;
RTC_CHECK_EQ(send_codecs[2].name, "iLBC")
<< "Please don't change shared test data!";
RTC_CHECK_EQ(recv_codecs[2].name, "iLBC")
<< "Please don't change shared test data!";
// Alter iLBC send codec to have zero channels, to test that that is handled
// properly.
send_codecs[2].channels = 0;
// Alter iLBC receive codec to be lowercase, to test that case conversions
// are handled properly.
recv_codecs[2].name = "ilbc";
// Test proper merge
codec_vendor.set_audio_codecs(CodecList::CreateFromTrustedData(send_codecs),
CodecList::CreateFromTrustedData(recv_codecs));
EXPECT_EQ(send_codecs, codec_vendor.audio_send_codecs().codecs());
EXPECT_EQ(recv_codecs, codec_vendor.audio_recv_codecs().codecs());
EXPECT_EQ(sendrecv_codecs, codec_vendor.audio_sendrecv_codecs().codecs());
// Test empty send codecs list
codec_vendor.set_audio_codecs(no_codecs,
CodecList::CreateFromTrustedData(recv_codecs));
EXPECT_EQ(no_codecs.codecs(), codec_vendor.audio_send_codecs().codecs());
EXPECT_EQ(recv_codecs, codec_vendor.audio_recv_codecs().codecs());
EXPECT_EQ(no_codecs.codecs(), codec_vendor.audio_sendrecv_codecs().codecs());
// Test empty recv codecs list
codec_vendor.set_audio_codecs(CodecList::CreateFromTrustedData(send_codecs),
no_codecs);
EXPECT_EQ(send_codecs, codec_vendor.audio_send_codecs().codecs());
EXPECT_EQ(no_codecs.codecs(), codec_vendor.audio_recv_codecs().codecs());
EXPECT_EQ(no_codecs.codecs(), codec_vendor.audio_sendrecv_codecs().codecs());
// Test all empty codec lists
codec_vendor.set_audio_codecs(no_codecs, no_codecs);
EXPECT_EQ(no_codecs, codec_vendor.audio_send_codecs());
EXPECT_EQ(no_codecs, codec_vendor.audio_recv_codecs());
EXPECT_EQ(no_codecs, codec_vendor.audio_sendrecv_codecs());
}
} // namespace
} // namespace cricket