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/*
* Copyright (c) 2012 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/modules/audio_coding/neteq/decoder_database.h"
#include <assert.h>
#include <stdlib.h>
#include <string>
#include "webrtc/modules/audio_coding/codecs/builtin_audio_decoder_factory.h"
#include "webrtc/modules/audio_coding/codecs/mock/mock_audio_decoder_factory.h"
#include "webrtc/modules/audio_coding/neteq/mock/mock_audio_decoder.h"
#include "webrtc/test/gmock.h"
#include "webrtc/test/gtest.h"
using testing::_;
using testing::Invoke;
namespace webrtc {
TEST(DecoderDatabase, CreateAndDestroy) {
DecoderDatabase db(new rtc::RefCountedObject<MockAudioDecoderFactory>);
EXPECT_EQ(0, db.Size());
EXPECT_TRUE(db.Empty());
}
TEST(DecoderDatabase, InsertAndRemove) {
DecoderDatabase db(new rtc::RefCountedObject<MockAudioDecoderFactory>);
const uint8_t kPayloadType = 0;
const std::string kCodecName = "Robert\'); DROP TABLE Students;";
EXPECT_EQ(
DecoderDatabase::kOK,
db.RegisterPayload(kPayloadType, NetEqDecoder::kDecoderPCMu, kCodecName));
EXPECT_EQ(1, db.Size());
EXPECT_FALSE(db.Empty());
EXPECT_EQ(DecoderDatabase::kOK, db.Remove(kPayloadType));
EXPECT_EQ(0, db.Size());
EXPECT_TRUE(db.Empty());
}
TEST(DecoderDatabase, InsertAndRemoveAll) {
DecoderDatabase db(new rtc::RefCountedObject<MockAudioDecoderFactory>);
const std::string kCodecName1 = "Robert\'); DROP TABLE Students;";
const std::string kCodecName2 = "https://xkcd.com/327/";
EXPECT_EQ(DecoderDatabase::kOK,
db.RegisterPayload(0, NetEqDecoder::kDecoderPCMu, kCodecName1));
EXPECT_EQ(DecoderDatabase::kOK,
db.RegisterPayload(1, NetEqDecoder::kDecoderPCMa, kCodecName2));
EXPECT_EQ(2, db.Size());
EXPECT_FALSE(db.Empty());
db.RemoveAll();
EXPECT_EQ(0, db.Size());
EXPECT_TRUE(db.Empty());
}
TEST(DecoderDatabase, GetDecoderInfo) {
rtc::scoped_refptr<MockAudioDecoderFactory> factory(
new rtc::RefCountedObject<MockAudioDecoderFactory>);
auto* decoder = new MockAudioDecoder;
EXPECT_CALL(*factory, MakeAudioDecoderMock(_, _))
.WillOnce(Invoke([decoder](const SdpAudioFormat& format,
std::unique_ptr<AudioDecoder>* dec) {
EXPECT_EQ("pcmu", format.name);
dec->reset(decoder);
}));
DecoderDatabase db(factory);
const uint8_t kPayloadType = 0;
const std::string kCodecName = "Robert\'); DROP TABLE Students;";
EXPECT_EQ(
DecoderDatabase::kOK,
db.RegisterPayload(kPayloadType, NetEqDecoder::kDecoderPCMu, kCodecName));
const DecoderDatabase::DecoderInfo* info;
info = db.GetDecoderInfo(kPayloadType);
ASSERT_TRUE(info != NULL);
EXPECT_TRUE(info->IsType("pcmu"));
EXPECT_EQ(kCodecName, info->name);
EXPECT_EQ(decoder, db.GetDecoder(kPayloadType));
info = db.GetDecoderInfo(kPayloadType + 1); // Other payload type.
EXPECT_TRUE(info == NULL); // Should not be found.
}
TEST(DecoderDatabase, GetDecoder) {
DecoderDatabase db(CreateBuiltinAudioDecoderFactory());
const uint8_t kPayloadType = 0;
const std::string kCodecName = "Robert\'); DROP TABLE Students;";
EXPECT_EQ(DecoderDatabase::kOK,
db.RegisterPayload(kPayloadType, NetEqDecoder::kDecoderPCM16B,
kCodecName));
AudioDecoder* dec = db.GetDecoder(kPayloadType);
ASSERT_TRUE(dec != NULL);
}
TEST(DecoderDatabase, TypeTests) {
DecoderDatabase db(new rtc::RefCountedObject<MockAudioDecoderFactory>);
const uint8_t kPayloadTypePcmU = 0;
const uint8_t kPayloadTypeCng = 13;
const uint8_t kPayloadTypeDtmf = 100;
const uint8_t kPayloadTypeRed = 101;
const uint8_t kPayloadNotUsed = 102;
// Load into database.
EXPECT_EQ(
DecoderDatabase::kOK,
db.RegisterPayload(kPayloadTypePcmU, NetEqDecoder::kDecoderPCMu, "pcmu"));
EXPECT_EQ(DecoderDatabase::kOK,
db.RegisterPayload(kPayloadTypeCng, NetEqDecoder::kDecoderCNGnb,
"cng-nb"));
EXPECT_EQ(
DecoderDatabase::kOK,
db.RegisterPayload(kPayloadTypeDtmf, NetEqDecoder::kDecoderAVT, "avt"));
EXPECT_EQ(
DecoderDatabase::kOK,
db.RegisterPayload(kPayloadTypeRed, NetEqDecoder::kDecoderRED, "red"));
EXPECT_EQ(4, db.Size());
// Test.
EXPECT_FALSE(db.IsComfortNoise(kPayloadNotUsed));
EXPECT_FALSE(db.IsDtmf(kPayloadNotUsed));
EXPECT_FALSE(db.IsRed(kPayloadNotUsed));
EXPECT_FALSE(db.IsComfortNoise(kPayloadTypePcmU));
EXPECT_FALSE(db.IsDtmf(kPayloadTypePcmU));
EXPECT_FALSE(db.IsRed(kPayloadTypePcmU));
EXPECT_FALSE(db.IsType(kPayloadTypePcmU, "isac"));
EXPECT_TRUE(db.IsType(kPayloadTypePcmU, "pcmu"));
EXPECT_TRUE(db.IsComfortNoise(kPayloadTypeCng));
EXPECT_TRUE(db.IsDtmf(kPayloadTypeDtmf));
EXPECT_TRUE(db.IsRed(kPayloadTypeRed));
}
TEST(DecoderDatabase, ExternalDecoder) {
DecoderDatabase db(new rtc::RefCountedObject<MockAudioDecoderFactory>);
const uint8_t kPayloadType = 0;
const std::string kCodecName = "Robert\'); DROP TABLE Students;";
MockAudioDecoder decoder;
// Load into database.
EXPECT_EQ(DecoderDatabase::kOK,
db.InsertExternal(kPayloadType, NetEqDecoder::kDecoderPCMu,
kCodecName, &decoder));
EXPECT_EQ(1, db.Size());
// Get decoder and make sure we get the external one.
EXPECT_EQ(&decoder, db.GetDecoder(kPayloadType));
// Get the decoder info struct and check it too.
const DecoderDatabase::DecoderInfo* info;
info = db.GetDecoderInfo(kPayloadType);
ASSERT_TRUE(info != NULL);
EXPECT_TRUE(info->IsType("pcmu"));
EXPECT_EQ(info->name, kCodecName);
EXPECT_EQ(kCodecName, info->name);
// Expect not to delete the decoder when removing it from the database, since
// it was declared externally.
EXPECT_CALL(decoder, Die()).Times(0);
EXPECT_EQ(DecoderDatabase::kOK, db.Remove(kPayloadType));
EXPECT_TRUE(db.Empty());
EXPECT_CALL(decoder, Die()).Times(1); // Will be called when |db| is deleted.
}
TEST(DecoderDatabase, CheckPayloadTypes) {
DecoderDatabase db(new rtc::RefCountedObject<MockAudioDecoderFactory>);
// Load a number of payloads into the database. Payload types are 0, 1, ...,
// while the decoder type is the same for all payload types (this does not
// matter for the test).
const int kNumPayloads = 10;
for (uint8_t payload_type = 0; payload_type < kNumPayloads; ++payload_type) {
EXPECT_EQ(DecoderDatabase::kOK,
db.RegisterPayload(payload_type, NetEqDecoder::kDecoderPCMu, ""));
}
PacketList packet_list;
for (int i = 0; i < kNumPayloads + 1; ++i) {
// Create packet with payload type |i|. The last packet will have a payload
// type that is not registered in the decoder database.
Packet* packet = new Packet;
packet->header.payloadType = i;
packet_list.push_back(packet);
}
// Expect to return false, since the last packet is of an unknown type.
EXPECT_EQ(DecoderDatabase::kDecoderNotFound,
db.CheckPayloadTypes(packet_list));
delete packet_list.back();
packet_list.pop_back(); // Remove the unknown one.
EXPECT_EQ(DecoderDatabase::kOK, db.CheckPayloadTypes(packet_list));
// Delete all packets.
PacketList::iterator it = packet_list.begin();
while (it != packet_list.end()) {
delete packet_list.front();
it = packet_list.erase(it);
}
}
#if defined(WEBRTC_CODEC_ISAC) || defined(WEBRTC_CODEC_ISACFX)
#define IF_ISAC(x) x
#else
#define IF_ISAC(x) DISABLED_##x
#endif
// Test the methods for setting and getting active speech and CNG decoders.
TEST(DecoderDatabase, IF_ISAC(ActiveDecoders)) {
DecoderDatabase db(CreateBuiltinAudioDecoderFactory());
// Load payload types.
ASSERT_EQ(DecoderDatabase::kOK,
db.RegisterPayload(0, NetEqDecoder::kDecoderPCMu, "pcmu"));
ASSERT_EQ(DecoderDatabase::kOK,
db.RegisterPayload(103, NetEqDecoder::kDecoderISAC, "isac"));
ASSERT_EQ(DecoderDatabase::kOK,
db.RegisterPayload(13, NetEqDecoder::kDecoderCNGnb, "cng-nb"));
// Verify that no decoders are active from the start.
EXPECT_EQ(NULL, db.GetActiveDecoder());
EXPECT_EQ(NULL, db.GetActiveCngDecoder());
// Set active speech codec.
bool changed; // Should be true when the active decoder changed.
EXPECT_EQ(DecoderDatabase::kOK, db.SetActiveDecoder(0, &changed));
EXPECT_TRUE(changed);
AudioDecoder* decoder = db.GetActiveDecoder();
ASSERT_FALSE(decoder == NULL); // Should get a decoder here.
// Set the same again. Expect no change.
EXPECT_EQ(DecoderDatabase::kOK, db.SetActiveDecoder(0, &changed));
EXPECT_FALSE(changed);
decoder = db.GetActiveDecoder();
ASSERT_FALSE(decoder == NULL); // Should get a decoder here.
// Change active decoder.
EXPECT_EQ(DecoderDatabase::kOK, db.SetActiveDecoder(103, &changed));
EXPECT_TRUE(changed);
decoder = db.GetActiveDecoder();
ASSERT_FALSE(decoder == NULL); // Should get a decoder here.
// Remove the active decoder, and verify that the active becomes NULL.
EXPECT_EQ(DecoderDatabase::kOK, db.Remove(103));
EXPECT_EQ(NULL, db.GetActiveDecoder());
// Set active CNG codec.
EXPECT_EQ(DecoderDatabase::kOK, db.SetActiveCngDecoder(13));
ComfortNoiseDecoder* cng = db.GetActiveCngDecoder();
ASSERT_FALSE(cng == NULL); // Should get a decoder here.
// Remove the active CNG decoder, and verify that the active becomes NULL.
EXPECT_EQ(DecoderDatabase::kOK, db.Remove(13));
EXPECT_EQ(NULL, db.GetActiveCngDecoder());
// Try to set non-existing codecs as active.
EXPECT_EQ(DecoderDatabase::kDecoderNotFound,
db.SetActiveDecoder(17, &changed));
EXPECT_EQ(DecoderDatabase::kDecoderNotFound,
db.SetActiveCngDecoder(17));
}
} // namespace webrtc