| /* |
| * Copyright (c) 2014 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/codecs/isac/fix/include/isacfix.h" |
| #include "webrtc/modules/audio_coding/neteq/tools/neteq_quality_test.h" |
| |
| using google::RegisterFlagValidator; |
| using google::ParseCommandLineFlags; |
| using std::string; |
| using testing::InitGoogleTest; |
| |
| namespace webrtc { |
| namespace test { |
| namespace { |
| static const int kIsacBlockDurationMs = 30; |
| static const int kIsacInputSamplingKhz = 16; |
| static const int kIsacOutputSamplingKhz = 16; |
| |
| // Define switch for bit rate. |
| static bool ValidateBitRate(const char* flagname, int32_t value) { |
| if (value >= 10 && value <= 32) |
| return true; |
| printf("Invalid bit rate, should be between 10 and 32 kbps."); |
| return false; |
| } |
| |
| DEFINE_int32(bit_rate_kbps, 32, "Target bit rate (kbps)."); |
| |
| static const bool bit_rate_dummy = |
| RegisterFlagValidator(&FLAGS_bit_rate_kbps, &ValidateBitRate); |
| |
| } // namespace |
| |
| class NetEqIsacQualityTest : public NetEqQualityTest { |
| protected: |
| NetEqIsacQualityTest(); |
| void SetUp() override; |
| void TearDown() override; |
| int EncodeBlock(int16_t* in_data, size_t block_size_samples, |
| rtc::Buffer* payload, size_t max_bytes) override; |
| private: |
| ISACFIX_MainStruct* isac_encoder_; |
| int bit_rate_kbps_; |
| }; |
| |
| NetEqIsacQualityTest::NetEqIsacQualityTest() |
| : NetEqQualityTest(kIsacBlockDurationMs, |
| kIsacInputSamplingKhz, |
| kIsacOutputSamplingKhz, |
| NetEqDecoder::kDecoderISAC), |
| isac_encoder_(NULL), |
| bit_rate_kbps_(FLAGS_bit_rate_kbps) {} |
| |
| void NetEqIsacQualityTest::SetUp() { |
| ASSERT_EQ(1u, channels_) << "iSAC supports only mono audio."; |
| // Create encoder memory. |
| WebRtcIsacfix_Create(&isac_encoder_); |
| ASSERT_TRUE(isac_encoder_ != NULL); |
| EXPECT_EQ(0, WebRtcIsacfix_EncoderInit(isac_encoder_, 1)); |
| // Set bitrate and block length. |
| EXPECT_EQ(0, WebRtcIsacfix_Control(isac_encoder_, bit_rate_kbps_ * 1000, |
| kIsacBlockDurationMs)); |
| NetEqQualityTest::SetUp(); |
| } |
| |
| void NetEqIsacQualityTest::TearDown() { |
| // Free memory. |
| EXPECT_EQ(0, WebRtcIsacfix_Free(isac_encoder_)); |
| NetEqQualityTest::TearDown(); |
| } |
| |
| int NetEqIsacQualityTest::EncodeBlock(int16_t* in_data, |
| size_t block_size_samples, |
| rtc::Buffer* payload, size_t max_bytes) { |
| // ISAC takes 10 ms for every call. |
| const int subblocks = kIsacBlockDurationMs / 10; |
| const int subblock_length = 10 * kIsacInputSamplingKhz; |
| int value = 0; |
| |
| int pointer = 0; |
| for (int idx = 0; idx < subblocks; idx++, pointer += subblock_length) { |
| // The Isac encoder does not perform encoding (and returns 0) until it |
| // receives a sequence of sub-blocks that amount to the frame duration. |
| EXPECT_EQ(0, value); |
| payload->AppendData(max_bytes, [&] (rtc::ArrayView<uint8_t> payload) { |
| value = WebRtcIsacfix_Encode(isac_encoder_, &in_data[pointer], |
| payload.data()); |
| return (value >= 0) ? static_cast<size_t>(value) : 0; |
| }); |
| } |
| EXPECT_GT(value, 0); |
| return value; |
| } |
| |
| TEST_F(NetEqIsacQualityTest, Test) { |
| Simulate(); |
| } |
| |
| } // namespace test |
| } // namespace webrtc |