diff options
Diffstat (limited to 'chromium/third_party/webrtc/modules/audio_coding/neteq4/payload_splitter_unittest.cc')
| -rw-r--r-- | chromium/third_party/webrtc/modules/audio_coding/neteq4/payload_splitter_unittest.cc | 694 |
1 files changed, 0 insertions, 694 deletions
diff --git a/chromium/third_party/webrtc/modules/audio_coding/neteq4/payload_splitter_unittest.cc b/chromium/third_party/webrtc/modules/audio_coding/neteq4/payload_splitter_unittest.cc deleted file mode 100644 index 5a7a6ca3e4e..00000000000 --- a/chromium/third_party/webrtc/modules/audio_coding/neteq4/payload_splitter_unittest.cc +++ /dev/null @@ -1,694 +0,0 @@ -/* - * 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. - */ - -// Unit tests for PayloadSplitter class. - -#include "webrtc/modules/audio_coding/neteq4/payload_splitter.h" - -#include <assert.h> - -#include <utility> // pair - -#include "gtest/gtest.h" -#include "webrtc/modules/audio_coding/neteq4/mock/mock_decoder_database.h" -#include "webrtc/modules/audio_coding/neteq4/packet.h" -#include "webrtc/system_wrappers/interface/scoped_ptr.h" - -using ::testing::Return; -using ::testing::ReturnNull; - -namespace webrtc { - -static const int kRedPayloadType = 100; -static const int kPayloadLength = 10; -static const int kRedHeaderLength = 4; // 4 bytes RED header. -static const uint16_t kSequenceNumber = 0; -static const uint32_t kBaseTimestamp = 0x12345678; - -// RED headers (according to RFC 2198): -// -// 0 1 2 3 -// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 -// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ -// |F| block PT | timestamp offset | block length | -// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ -// -// Last RED header: -// 0 1 2 3 4 5 6 7 -// +-+-+-+-+-+-+-+-+ -// |0| Block PT | -// +-+-+-+-+-+-+-+-+ - -// Creates a RED packet, with |num_payloads| payloads, with payload types given -// by the values in array |payload_types| (which must be of length -// |num_payloads|). Each redundant payload is |timestamp_offset| samples -// "behind" the the previous payload. -Packet* CreateRedPayload(int num_payloads, - uint8_t* payload_types, - int timestamp_offset) { - Packet* packet = new Packet; - packet->header.payloadType = kRedPayloadType; - packet->header.timestamp = kBaseTimestamp; - packet->header.sequenceNumber = kSequenceNumber; - packet->payload_length = (kPayloadLength + 1) + - (num_payloads - 1) * (kPayloadLength + kRedHeaderLength); - uint8_t* payload = new uint8_t[packet->payload_length]; - uint8_t* payload_ptr = payload; - for (int i = 0; i < num_payloads; ++i) { - // Write the RED headers. - if (i == num_payloads - 1) { - // Special case for last payload. - *payload_ptr = payload_types[i] & 0x7F; // F = 0; - ++payload_ptr; - break; - } - *payload_ptr = payload_types[i] & 0x7F; - // Not the last block; set F = 1. - *payload_ptr |= 0x80; - ++payload_ptr; - int this_offset = (num_payloads - i - 1) * timestamp_offset; - *payload_ptr = this_offset >> 6; - ++payload_ptr; - assert(kPayloadLength <= 1023); // Max length described by 10 bits. - *payload_ptr = ((this_offset & 0x3F) << 2) | (kPayloadLength >> 8); - ++payload_ptr; - *payload_ptr = kPayloadLength & 0xFF; - ++payload_ptr; - } - for (int i = 0; i < num_payloads; ++i) { - // Write |i| to all bytes in each payload. - memset(payload_ptr, i, kPayloadLength); - payload_ptr += kPayloadLength; - } - packet->payload = payload; - return packet; -} - -// Create a packet with all payload bytes set to |payload_value|. -Packet* CreatePacket(uint8_t payload_type, int payload_length, - uint8_t payload_value) { - Packet* packet = new Packet; - packet->header.payloadType = payload_type; - packet->header.timestamp = kBaseTimestamp; - packet->header.sequenceNumber = kSequenceNumber; - packet->payload_length = payload_length; - uint8_t* payload = new uint8_t[packet->payload_length]; - memset(payload, payload_value, payload_length); - packet->payload = payload; - return packet; -} - -// Checks that |packet| has the attributes given in the remaining parameters. -void VerifyPacket(const Packet* packet, - int payload_length, - uint8_t payload_type, - uint16_t sequence_number, - uint32_t timestamp, - uint8_t payload_value, - bool primary = true) { - EXPECT_EQ(payload_length, packet->payload_length); - EXPECT_EQ(payload_type, packet->header.payloadType); - EXPECT_EQ(sequence_number, packet->header.sequenceNumber); - EXPECT_EQ(timestamp, packet->header.timestamp); - EXPECT_EQ(primary, packet->primary); - ASSERT_FALSE(packet->payload == NULL); - for (int i = 0; i < packet->payload_length; ++i) { - EXPECT_EQ(payload_value, packet->payload[i]); - } -} - -// Start of test definitions. - -TEST(PayloadSplitter, CreateAndDestroy) { - PayloadSplitter* splitter = new PayloadSplitter; - delete splitter; -} - -// Packet A is split into A1 and A2. -TEST(RedPayloadSplitter, OnePacketTwoPayloads) { - uint8_t payload_types[] = {0, 0}; - const int kTimestampOffset = 160; - Packet* packet = CreateRedPayload(2, payload_types, kTimestampOffset); - PacketList packet_list; - packet_list.push_back(packet); - PayloadSplitter splitter; - EXPECT_EQ(PayloadSplitter::kOK, splitter.SplitRed(&packet_list)); - ASSERT_EQ(2u, packet_list.size()); - // Check first packet. The first in list should always be the primary payload. - packet = packet_list.front(); - VerifyPacket(packet, kPayloadLength, payload_types[1], kSequenceNumber, - kBaseTimestamp, 1, true); - delete [] packet->payload; - delete packet; - packet_list.pop_front(); - // Check second packet. - packet = packet_list.front(); - VerifyPacket(packet, kPayloadLength, payload_types[0], kSequenceNumber, - kBaseTimestamp - kTimestampOffset, 0, false); - delete [] packet->payload; - delete packet; -} - -// Packets A and B are not split at all. Only the RED header in each packet is -// removed. -TEST(RedPayloadSplitter, TwoPacketsOnePayload) { - uint8_t payload_types[] = {0}; - const int kTimestampOffset = 160; - // Create first packet, with a single RED payload. - Packet* packet = CreateRedPayload(1, payload_types, kTimestampOffset); - PacketList packet_list; - packet_list.push_back(packet); - // Create second packet, with a single RED payload. - packet = CreateRedPayload(1, payload_types, kTimestampOffset); - // Manually change timestamp and sequence number of second packet. - packet->header.timestamp += kTimestampOffset; - packet->header.sequenceNumber++; - packet_list.push_back(packet); - PayloadSplitter splitter; - EXPECT_EQ(PayloadSplitter::kOK, splitter.SplitRed(&packet_list)); - ASSERT_EQ(2u, packet_list.size()); - // Check first packet. - packet = packet_list.front(); - VerifyPacket(packet, kPayloadLength, payload_types[0], kSequenceNumber, - kBaseTimestamp, 0, true); - delete [] packet->payload; - delete packet; - packet_list.pop_front(); - // Check second packet. - packet = packet_list.front(); - VerifyPacket(packet, kPayloadLength, payload_types[0], kSequenceNumber + 1, - kBaseTimestamp + kTimestampOffset, 0, true); - delete [] packet->payload; - delete packet; -} - -// Packets A and B are split into packets A1, A2, A3, B1, B2, B3, with -// attributes as follows: -// -// A1* A2 A3 B1* B2 B3 -// Payload type 0 1 2 0 1 2 -// Timestamp b b-o b-2o b+o b b-o -// Sequence number 0 0 0 1 1 1 -// -// b = kBaseTimestamp, o = kTimestampOffset, * = primary. -TEST(RedPayloadSplitter, TwoPacketsThreePayloads) { - uint8_t payload_types[] = {2, 1, 0}; // Primary is the last one. - const int kTimestampOffset = 160; - // Create first packet, with 3 RED payloads. - Packet* packet = CreateRedPayload(3, payload_types, kTimestampOffset); - PacketList packet_list; - packet_list.push_back(packet); - // Create first packet, with 3 RED payloads. - packet = CreateRedPayload(3, payload_types, kTimestampOffset); - // Manually change timestamp and sequence number of second packet. - packet->header.timestamp += kTimestampOffset; - packet->header.sequenceNumber++; - packet_list.push_back(packet); - PayloadSplitter splitter; - EXPECT_EQ(PayloadSplitter::kOK, splitter.SplitRed(&packet_list)); - ASSERT_EQ(6u, packet_list.size()); - // Check first packet, A1. - packet = packet_list.front(); - VerifyPacket(packet, kPayloadLength, payload_types[2], kSequenceNumber, - kBaseTimestamp, 2, true); - delete [] packet->payload; - delete packet; - packet_list.pop_front(); - // Check second packet, A2. - packet = packet_list.front(); - VerifyPacket(packet, kPayloadLength, payload_types[1], kSequenceNumber, - kBaseTimestamp - kTimestampOffset, 1, false); - delete [] packet->payload; - delete packet; - packet_list.pop_front(); - // Check third packet, A3. - packet = packet_list.front(); - VerifyPacket(packet, kPayloadLength, payload_types[0], kSequenceNumber, - kBaseTimestamp - 2 * kTimestampOffset, 0, false); - delete [] packet->payload; - delete packet; - packet_list.pop_front(); - // Check fourth packet, B1. - packet = packet_list.front(); - VerifyPacket(packet, kPayloadLength, payload_types[2], kSequenceNumber + 1, - kBaseTimestamp + kTimestampOffset, 2, true); - delete [] packet->payload; - delete packet; - packet_list.pop_front(); - // Check fifth packet, B2. - packet = packet_list.front(); - VerifyPacket(packet, kPayloadLength, payload_types[1], kSequenceNumber + 1, - kBaseTimestamp, 1, false); - delete [] packet->payload; - delete packet; - packet_list.pop_front(); - // Check sixth packet, B3. - packet = packet_list.front(); - VerifyPacket(packet, kPayloadLength, payload_types[0], kSequenceNumber + 1, - kBaseTimestamp - kTimestampOffset, 0, false); - delete [] packet->payload; - delete packet; -} - -// Creates a list with 4 packets with these payload types: -// 0 = CNGnb -// 1 = PCMu -// 2 = DTMF (AVT) -// 3 = iLBC -// We expect the method CheckRedPayloads to discard the iLBC packet, since it -// is a non-CNG, non-DTMF payload of another type than the first speech payload -// found in the list (which is PCMu). -TEST(RedPayloadSplitter, CheckRedPayloads) { - PacketList packet_list; - for (int i = 0; i <= 3; ++i) { - // Create packet with payload type |i|, payload length 10 bytes, all 0. - Packet* packet = CreatePacket(i, 10, 0); - packet_list.push_back(packet); - } - - // Use a real DecoderDatabase object here instead of a mock, since it is - // easier to just register the payload types and let the actual implementation - // do its job. - DecoderDatabase decoder_database; - decoder_database.RegisterPayload(0, kDecoderCNGnb); - decoder_database.RegisterPayload(1, kDecoderPCMu); - decoder_database.RegisterPayload(2, kDecoderAVT); - decoder_database.RegisterPayload(3, kDecoderILBC); - - PayloadSplitter splitter; - splitter.CheckRedPayloads(&packet_list, decoder_database); - - ASSERT_EQ(3u, packet_list.size()); // Should have dropped the last packet. - // Verify packets. The loop verifies that payload types 0, 1, and 2 are in the - // list. - for (int i = 0; i <= 2; ++i) { - Packet* packet = packet_list.front(); - VerifyPacket(packet, 10, i, kSequenceNumber, kBaseTimestamp, 0, true); - delete [] packet->payload; - delete packet; - packet_list.pop_front(); - } - EXPECT_TRUE(packet_list.empty()); -} - -// Packet A is split into A1, A2 and A3. But the length parameter is off, so -// the last payloads should be discarded. -TEST(RedPayloadSplitter, WrongPayloadLength) { - uint8_t payload_types[] = {0, 0, 0}; - const int kTimestampOffset = 160; - Packet* packet = CreateRedPayload(3, payload_types, kTimestampOffset); - // Manually tamper with the payload length of the packet. - // This is one byte too short for the second payload (out of three). - // We expect only the first payload to be returned. - packet->payload_length -= kPayloadLength + 1; - PacketList packet_list; - packet_list.push_back(packet); - PayloadSplitter splitter; - EXPECT_EQ(PayloadSplitter::kRedLengthMismatch, - splitter.SplitRed(&packet_list)); - ASSERT_EQ(1u, packet_list.size()); - // Check first packet. - packet = packet_list.front(); - VerifyPacket(packet, kPayloadLength, payload_types[0], kSequenceNumber, - kBaseTimestamp - 2 * kTimestampOffset, 0, false); - delete [] packet->payload; - delete packet; - packet_list.pop_front(); -} - -// Test that iSAC, iSAC-swb, RED, DTMF, CNG, and "Arbitrary" payloads do not -// get split. -TEST(AudioPayloadSplitter, NonSplittable) { - // Set up packets with different RTP payload types. The actual values do not - // matter, since we are mocking the decoder database anyway. - PacketList packet_list; - for (int i = 0; i < 6; ++i) { - // Let the payload type be |i|, and the payload value 10 * |i|. - packet_list.push_back(CreatePacket(i, kPayloadLength, 10 * i)); - } - - MockDecoderDatabase decoder_database; - // Tell the mock decoder database to return DecoderInfo structs with different - // codec types. - // Use scoped pointers to avoid having to delete them later. - scoped_ptr<DecoderDatabase::DecoderInfo> info0( - new DecoderDatabase::DecoderInfo(kDecoderISAC, 16000, NULL, false)); - EXPECT_CALL(decoder_database, GetDecoderInfo(0)) - .WillRepeatedly(Return(info0.get())); - scoped_ptr<DecoderDatabase::DecoderInfo> info1( - new DecoderDatabase::DecoderInfo(kDecoderISACswb, 32000, NULL, false)); - EXPECT_CALL(decoder_database, GetDecoderInfo(1)) - .WillRepeatedly(Return(info1.get())); - scoped_ptr<DecoderDatabase::DecoderInfo> info2( - new DecoderDatabase::DecoderInfo(kDecoderRED, 8000, NULL, false)); - EXPECT_CALL(decoder_database, GetDecoderInfo(2)) - .WillRepeatedly(Return(info2.get())); - scoped_ptr<DecoderDatabase::DecoderInfo> info3( - new DecoderDatabase::DecoderInfo(kDecoderAVT, 8000, NULL, false)); - EXPECT_CALL(decoder_database, GetDecoderInfo(3)) - .WillRepeatedly(Return(info3.get())); - scoped_ptr<DecoderDatabase::DecoderInfo> info4( - new DecoderDatabase::DecoderInfo(kDecoderCNGnb, 8000, NULL, false)); - EXPECT_CALL(decoder_database, GetDecoderInfo(4)) - .WillRepeatedly(Return(info4.get())); - scoped_ptr<DecoderDatabase::DecoderInfo> info5( - new DecoderDatabase::DecoderInfo(kDecoderArbitrary, 8000, NULL, false)); - EXPECT_CALL(decoder_database, GetDecoderInfo(5)) - .WillRepeatedly(Return(info5.get())); - - PayloadSplitter splitter; - EXPECT_EQ(0, splitter.SplitAudio(&packet_list, decoder_database)); - EXPECT_EQ(6u, packet_list.size()); - - // Check that all payloads are intact. - uint8_t payload_type = 0; - PacketList::iterator it = packet_list.begin(); - while (it != packet_list.end()) { - VerifyPacket((*it), kPayloadLength, payload_type, kSequenceNumber, - kBaseTimestamp, 10 * payload_type); - ++payload_type; - delete [] (*it)->payload; - delete (*it); - it = packet_list.erase(it); - } - - // The destructor is called when decoder_database goes out of scope. - EXPECT_CALL(decoder_database, Die()); -} - -// Test unknown payload type. -TEST(AudioPayloadSplitter, UnknownPayloadType) { - PacketList packet_list; - static const uint8_t kPayloadType = 17; // Just a random number. - int kPayloadLengthBytes = 4711; // Random number. - packet_list.push_back(CreatePacket(kPayloadType, kPayloadLengthBytes, 0)); - - MockDecoderDatabase decoder_database; - // Tell the mock decoder database to return NULL when asked for decoder info. - // This signals that the decoder database does not recognize the payload type. - EXPECT_CALL(decoder_database, GetDecoderInfo(kPayloadType)) - .WillRepeatedly(ReturnNull()); - - PayloadSplitter splitter; - EXPECT_EQ(PayloadSplitter::kUnknownPayloadType, - splitter.SplitAudio(&packet_list, decoder_database)); - EXPECT_EQ(1u, packet_list.size()); - - - // Delete the packets and payloads to avoid having the test leak memory. - PacketList::iterator it = packet_list.begin(); - while (it != packet_list.end()) { - delete [] (*it)->payload; - delete (*it); - it = packet_list.erase(it); - } - - // The destructor is called when decoder_database goes out of scope. - EXPECT_CALL(decoder_database, Die()); -} - -class SplitBySamplesTest : public ::testing::TestWithParam<NetEqDecoder> { - protected: - virtual void SetUp() { - decoder_type_ = GetParam(); - switch (decoder_type_) { - case kDecoderPCMu: - case kDecoderPCMa: - bytes_per_ms_ = 8; - samples_per_ms_ = 8; - break; - case kDecoderPCMu_2ch: - case kDecoderPCMa_2ch: - bytes_per_ms_ = 2 * 8; - samples_per_ms_ = 8; - break; - case kDecoderG722: - bytes_per_ms_ = 8; - samples_per_ms_ = 16; - break; - case kDecoderPCM16B: - bytes_per_ms_ = 16; - samples_per_ms_ = 8; - break; - case kDecoderPCM16Bwb: - bytes_per_ms_ = 32; - samples_per_ms_ = 16; - break; - case kDecoderPCM16Bswb32kHz: - bytes_per_ms_ = 64; - samples_per_ms_ = 32; - break; - case kDecoderPCM16Bswb48kHz: - bytes_per_ms_ = 96; - samples_per_ms_ = 48; - break; - case kDecoderPCM16B_2ch: - bytes_per_ms_ = 2 * 16; - samples_per_ms_ = 8; - break; - case kDecoderPCM16Bwb_2ch: - bytes_per_ms_ = 2 * 32; - samples_per_ms_ = 16; - break; - case kDecoderPCM16Bswb32kHz_2ch: - bytes_per_ms_ = 2 * 64; - samples_per_ms_ = 32; - break; - case kDecoderPCM16Bswb48kHz_2ch: - bytes_per_ms_ = 2 * 96; - samples_per_ms_ = 48; - break; - case kDecoderPCM16B_5ch: - bytes_per_ms_ = 5 * 16; - samples_per_ms_ = 8; - break; - default: - assert(false); - break; - } - } - int bytes_per_ms_; - int samples_per_ms_; - NetEqDecoder decoder_type_; -}; - -// Test splitting sample-based payloads. -TEST_P(SplitBySamplesTest, PayloadSizes) { - PacketList packet_list; - static const uint8_t kPayloadType = 17; // Just a random number. - for (int payload_size_ms = 10; payload_size_ms <= 60; payload_size_ms += 10) { - // The payload values are set to be the same as the payload_size, so that - // one can distinguish from which packet the split payloads come from. - int payload_size_bytes = payload_size_ms * bytes_per_ms_; - packet_list.push_back(CreatePacket(kPayloadType, payload_size_bytes, - payload_size_ms)); - } - - MockDecoderDatabase decoder_database; - // Tell the mock decoder database to return DecoderInfo structs with different - // codec types. - // Use scoped pointers to avoid having to delete them later. - // (Sample rate is set to 8000 Hz, but does not matter.) - scoped_ptr<DecoderDatabase::DecoderInfo> info( - new DecoderDatabase::DecoderInfo(decoder_type_, 8000, NULL, false)); - EXPECT_CALL(decoder_database, GetDecoderInfo(kPayloadType)) - .WillRepeatedly(Return(info.get())); - - PayloadSplitter splitter; - EXPECT_EQ(0, splitter.SplitAudio(&packet_list, decoder_database)); - // The payloads are expected to be split as follows: - // 10 ms -> 10 ms - // 20 ms -> 20 ms - // 30 ms -> 30 ms - // 40 ms -> 20 + 20 ms - // 50 ms -> 25 + 25 ms - // 60 ms -> 30 + 30 ms - int expected_size_ms[] = {10, 20, 30, 20, 20, 25, 25, 30, 30}; - int expected_payload_value[] = {10, 20, 30, 40, 40, 50, 50, 60, 60}; - int expected_timestamp_offset_ms[] = {0, 0, 0, 0, 20, 0, 25, 0, 30}; - size_t expected_num_packets = - sizeof(expected_size_ms) / sizeof(expected_size_ms[0]); - EXPECT_EQ(expected_num_packets, packet_list.size()); - - PacketList::iterator it = packet_list.begin(); - int i = 0; - while (it != packet_list.end()) { - int length_bytes = expected_size_ms[i] * bytes_per_ms_; - uint32_t expected_timestamp = kBaseTimestamp + - expected_timestamp_offset_ms[i] * samples_per_ms_; - VerifyPacket((*it), length_bytes, kPayloadType, kSequenceNumber, - expected_timestamp, expected_payload_value[i]); - delete [] (*it)->payload; - delete (*it); - it = packet_list.erase(it); - ++i; - } - - // The destructor is called when decoder_database goes out of scope. - EXPECT_CALL(decoder_database, Die()); -} - -INSTANTIATE_TEST_CASE_P( - PayloadSplitter, SplitBySamplesTest, - ::testing::Values(kDecoderPCMu, kDecoderPCMa, kDecoderPCMu_2ch, - kDecoderPCMa_2ch, kDecoderG722, kDecoderPCM16B, - kDecoderPCM16Bwb, kDecoderPCM16Bswb32kHz, - kDecoderPCM16Bswb48kHz, kDecoderPCM16B_2ch, - kDecoderPCM16Bwb_2ch, kDecoderPCM16Bswb32kHz_2ch, - kDecoderPCM16Bswb48kHz_2ch, kDecoderPCM16B_5ch)); - - -class SplitIlbcTest : public ::testing::TestWithParam<std::pair<int, int> > { - protected: - virtual void SetUp() { - const std::pair<int, int> parameters = GetParam(); - num_frames_ = parameters.first; - frame_length_ms_ = parameters.second; - frame_length_bytes_ = (frame_length_ms_ == 20) ? 38 : 50; - } - size_t num_frames_; - int frame_length_ms_; - int frame_length_bytes_; -}; - -// Test splitting sample-based payloads. -TEST_P(SplitIlbcTest, NumFrames) { - PacketList packet_list; - static const uint8_t kPayloadType = 17; // Just a random number. - const int frame_length_samples = frame_length_ms_ * 8; - int payload_length_bytes = frame_length_bytes_ * num_frames_; - Packet* packet = CreatePacket(kPayloadType, payload_length_bytes, 0); - // Fill payload with increasing integers {0, 1, 2, ...}. - for (int i = 0; i < packet->payload_length; ++i) { - packet->payload[i] = static_cast<uint8_t>(i); - } - packet_list.push_back(packet); - - MockDecoderDatabase decoder_database; - // Tell the mock decoder database to return DecoderInfo structs with different - // codec types. - // Use scoped pointers to avoid having to delete them later. - scoped_ptr<DecoderDatabase::DecoderInfo> info( - new DecoderDatabase::DecoderInfo(kDecoderILBC, 8000, NULL, false)); - EXPECT_CALL(decoder_database, GetDecoderInfo(kPayloadType)) - .WillRepeatedly(Return(info.get())); - - PayloadSplitter splitter; - EXPECT_EQ(0, splitter.SplitAudio(&packet_list, decoder_database)); - EXPECT_EQ(num_frames_, packet_list.size()); - - PacketList::iterator it = packet_list.begin(); - int frame_num = 0; - uint8_t payload_value = 0; - while (it != packet_list.end()) { - Packet* packet = (*it); - EXPECT_EQ(kBaseTimestamp + frame_length_samples * frame_num, - packet->header.timestamp); - EXPECT_EQ(frame_length_bytes_, packet->payload_length); - EXPECT_EQ(kPayloadType, packet->header.payloadType); - EXPECT_EQ(kSequenceNumber, packet->header.sequenceNumber); - EXPECT_EQ(true, packet->primary); - ASSERT_FALSE(packet->payload == NULL); - for (int i = 0; i < packet->payload_length; ++i) { - EXPECT_EQ(payload_value, packet->payload[i]); - ++payload_value; - } - delete [] (*it)->payload; - delete (*it); - it = packet_list.erase(it); - ++frame_num; - } - - // The destructor is called when decoder_database goes out of scope. - EXPECT_CALL(decoder_database, Die()); -} - -// Test 1 through 5 frames of 20 and 30 ms size. -// Also test the maximum number of frames in one packet for 20 and 30 ms. -// The maximum is defined by the largest payload length that can be uniquely -// resolved to a frame size of either 38 bytes (20 ms) or 50 bytes (30 ms). -INSTANTIATE_TEST_CASE_P( - PayloadSplitter, SplitIlbcTest, - ::testing::Values(std::pair<int, int>(1, 20), // 1 frame, 20 ms. - std::pair<int, int>(2, 20), // 2 frames, 20 ms. - std::pair<int, int>(3, 20), // And so on. - std::pair<int, int>(4, 20), - std::pair<int, int>(5, 20), - std::pair<int, int>(24, 20), - std::pair<int, int>(1, 30), - std::pair<int, int>(2, 30), - std::pair<int, int>(3, 30), - std::pair<int, int>(4, 30), - std::pair<int, int>(5, 30), - std::pair<int, int>(18, 30))); - -// Test too large payload size. -TEST(IlbcPayloadSplitter, TooLargePayload) { - PacketList packet_list; - static const uint8_t kPayloadType = 17; // Just a random number. - int kPayloadLengthBytes = 950; - Packet* packet = CreatePacket(kPayloadType, kPayloadLengthBytes, 0); - packet_list.push_back(packet); - - MockDecoderDatabase decoder_database; - scoped_ptr<DecoderDatabase::DecoderInfo> info( - new DecoderDatabase::DecoderInfo(kDecoderILBC, 8000, NULL, false)); - EXPECT_CALL(decoder_database, GetDecoderInfo(kPayloadType)) - .WillRepeatedly(Return(info.get())); - - PayloadSplitter splitter; - EXPECT_EQ(PayloadSplitter::kTooLargePayload, - splitter.SplitAudio(&packet_list, decoder_database)); - EXPECT_EQ(1u, packet_list.size()); - - // Delete the packets and payloads to avoid having the test leak memory. - PacketList::iterator it = packet_list.begin(); - while (it != packet_list.end()) { - delete [] (*it)->payload; - delete (*it); - it = packet_list.erase(it); - } - - // The destructor is called when decoder_database goes out of scope. - EXPECT_CALL(decoder_database, Die()); -} - -// Payload not an integer number of frames. -TEST(IlbcPayloadSplitter, UnevenPayload) { - PacketList packet_list; - static const uint8_t kPayloadType = 17; // Just a random number. - int kPayloadLengthBytes = 39; // Not an even number of frames. - Packet* packet = CreatePacket(kPayloadType, kPayloadLengthBytes, 0); - packet_list.push_back(packet); - - MockDecoderDatabase decoder_database; - scoped_ptr<DecoderDatabase::DecoderInfo> info( - new DecoderDatabase::DecoderInfo(kDecoderILBC, 8000, NULL, false)); - EXPECT_CALL(decoder_database, GetDecoderInfo(kPayloadType)) - .WillRepeatedly(Return(info.get())); - - PayloadSplitter splitter; - EXPECT_EQ(PayloadSplitter::kFrameSplitError, - splitter.SplitAudio(&packet_list, decoder_database)); - EXPECT_EQ(1u, packet_list.size()); - - // Delete the packets and payloads to avoid having the test leak memory. - PacketList::iterator it = packet_list.begin(); - while (it != packet_list.end()) { - delete [] (*it)->payload; - delete (*it); - it = packet_list.erase(it); - } - - // The destructor is called when decoder_database goes out of scope. - EXPECT_CALL(decoder_database, Die()); -} - -} // namespace webrtc |