109 lines
4.3 KiB
C++
109 lines
4.3 KiB
C++
/*
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* Copyright 2004 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "pc/codec_vendor.h"
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#include <stddef.h>
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#include <string>
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#include <vector>
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#include "absl/strings/string_view.h"
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#include "call/payload_type.h"
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#include "media/base/codec.h"
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#include "media/base/codec_list.h"
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#include "media/base/media_constants.h"
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#include "media/base/test_utils.h"
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#include "rtc_base/checks.h"
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#include "test/gtest.h"
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namespace cricket {
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namespace {
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Codec CreateRedAudioCodec(absl::string_view encoding_id) {
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Codec red = CreateAudioCodec(63, "red", 48000, 2);
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red.SetParam(kCodecParamNotInNameValueFormat,
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std::string(encoding_id) + '/' + std::string(encoding_id));
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return red;
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}
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const Codec kAudioCodecs1[] = {CreateAudioCodec(111, "opus", 48000, 2),
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CreateRedAudioCodec("111"),
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CreateAudioCodec(102, "iLBC", 8000, 1),
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CreateAudioCodec(0, "PCMU", 8000, 1),
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CreateAudioCodec(8, "PCMA", 8000, 1),
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CreateAudioCodec(107, "CN", 48000, 1)};
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const Codec kAudioCodecs2[] = {
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CreateAudioCodec(126, "foo", 16000, 1),
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CreateAudioCodec(0, "PCMU", 8000, 1),
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CreateAudioCodec(127, "iLBC", 8000, 1),
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};
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const Codec kAudioCodecsAnswer[] = {
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CreateAudioCodec(102, "iLBC", 8000, 1),
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CreateAudioCodec(0, "PCMU", 8000, 1),
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};
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TEST(CodecVendorTest, TestSetAudioCodecs) {
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CodecVendor codec_vendor(nullptr, false);
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std::vector<Codec> send_codecs = MAKE_VECTOR(kAudioCodecs1);
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std::vector<Codec> recv_codecs = MAKE_VECTOR(kAudioCodecs2);
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// The merged list of codecs should contain any send codecs that are also
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// nominally in the receive codecs list. Payload types should be picked from
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// the send codecs and a number-of-channels of 0 and 1 should be equivalent
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// (set to 1). This equals what happens when the send codecs are used in an
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// offer and the receive codecs are used in the following answer.
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const std::vector<Codec> sendrecv_codecs = MAKE_VECTOR(kAudioCodecsAnswer);
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CodecList no_codecs;
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RTC_CHECK_EQ(send_codecs[2].name, "iLBC")
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<< "Please don't change shared test data!";
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RTC_CHECK_EQ(recv_codecs[2].name, "iLBC")
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<< "Please don't change shared test data!";
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// Alter iLBC send codec to have zero channels, to test that that is handled
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// properly.
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send_codecs[2].channels = 0;
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// Alter iLBC receive codec to be lowercase, to test that case conversions
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// are handled properly.
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recv_codecs[2].name = "ilbc";
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// Test proper merge
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codec_vendor.set_audio_codecs(CodecList::CreateFromTrustedData(send_codecs),
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CodecList::CreateFromTrustedData(recv_codecs));
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EXPECT_EQ(send_codecs, codec_vendor.audio_send_codecs().codecs());
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EXPECT_EQ(recv_codecs, codec_vendor.audio_recv_codecs().codecs());
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EXPECT_EQ(sendrecv_codecs, codec_vendor.audio_sendrecv_codecs().codecs());
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// Test empty send codecs list
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codec_vendor.set_audio_codecs(no_codecs,
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CodecList::CreateFromTrustedData(recv_codecs));
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EXPECT_EQ(no_codecs.codecs(), codec_vendor.audio_send_codecs().codecs());
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EXPECT_EQ(recv_codecs, codec_vendor.audio_recv_codecs().codecs());
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EXPECT_EQ(no_codecs.codecs(), codec_vendor.audio_sendrecv_codecs().codecs());
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// Test empty recv codecs list
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codec_vendor.set_audio_codecs(CodecList::CreateFromTrustedData(send_codecs),
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no_codecs);
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EXPECT_EQ(send_codecs, codec_vendor.audio_send_codecs().codecs());
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EXPECT_EQ(no_codecs.codecs(), codec_vendor.audio_recv_codecs().codecs());
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EXPECT_EQ(no_codecs.codecs(), codec_vendor.audio_sendrecv_codecs().codecs());
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// Test all empty codec lists
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codec_vendor.set_audio_codecs(no_codecs, no_codecs);
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EXPECT_EQ(no_codecs, codec_vendor.audio_send_codecs());
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EXPECT_EQ(no_codecs, codec_vendor.audio_recv_codecs());
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EXPECT_EQ(no_codecs, codec_vendor.audio_sendrecv_codecs());
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}
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} // namespace
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} // namespace cricket
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