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/*
* 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/opus/interface/opus_interface.h"
#include "webrtc/modules/audio_coding/neteq/tools/neteq_quality_test.h"
#include "webrtc/test/testsupport/fileutils.h"
using google::RegisterFlagValidator;
using google::ParseCommandLineFlags;
using std::string;
using testing::InitGoogleTest;
namespace webrtc {
namespace test {
static const int kOpusBlockDurationMs = 20;
static const int kOpusSamplingKhz = 48;
// Define switch for input file name.
static bool ValidateInFilename(const char* flagname, const string& value) {
FILE* fid = fopen(value.c_str(), "rb");
if (fid != NULL) {
fclose(fid);
return true;
}
printf("Invalid input filename.");
return false;
}
DEFINE_string(in_filename,
ResourcePath("audio_coding/speech_mono_32_48kHz", "pcm"),
"Filename for input audio (should be 48 kHz sampled raw data).");
static const bool in_filename_dummy =
RegisterFlagValidator(&FLAGS_in_filename, &ValidateInFilename);
// Define switch for output file name.
static bool ValidateOutFilename(const char* flagname, const string& value) {
FILE* fid = fopen(value.c_str(), "wb");
if (fid != NULL) {
fclose(fid);
return true;
}
printf("Invalid output filename.");
return false;
}
DEFINE_string(out_filename, OutputPath() + "neteq4_opus_fec_quality_test.pcm",
"Name of output audio file.");
static const bool out_filename_dummy =
RegisterFlagValidator(&FLAGS_out_filename, &ValidateOutFilename);
// Define switch for channels.
static bool ValidateChannels(const char* flagname, int32_t value) {
if (value == 1 || value == 2)
return true;
printf("Invalid number of channels, should be either 1 or 2.");
return false;
}
DEFINE_int32(channels, 1, "Number of channels in input audio.");
static const bool channels_dummy =
RegisterFlagValidator(&FLAGS_channels, &ValidateChannels);
// Define switch for bit rate.
static bool ValidateBitRate(const char* flagname, int32_t value) {
if (value >= 6 && value <= 510)
return true;
printf("Invalid bit rate, should be between 6 and 510 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);
// Define switch for reported packet loss rate.
static bool ValidatePacketLossRate(const char* flagname, int32_t value) {
if (value >= 0 && value <= 100)
return true;
printf("Invalid packet loss percentile, should be between 0 and 100.");
return false;
}
DEFINE_int32(reported_loss_rate, 10, "Reported percentile of packet loss.");
static const bool reported_loss_rate_dummy =
RegisterFlagValidator(&FLAGS_reported_loss_rate, &ValidatePacketLossRate);
// Define switch for runtime.
static bool ValidateRuntime(const char* flagname, int32_t value) {
if (value > 0)
return true;
printf("Invalid runtime, should be greater than 0.");
return false;
}
DEFINE_int32(runtime_ms, 10000, "Simulated runtime (milliseconds).");
static const bool runtime_dummy =
RegisterFlagValidator(&FLAGS_runtime_ms, &ValidateRuntime);
DEFINE_bool(fec, true, "Whether to enable FEC for encoding.");
class NetEqOpusFecQualityTest : public NetEqQualityTest {
protected:
NetEqOpusFecQualityTest();
virtual void SetUp() OVERRIDE;
virtual void TearDown() OVERRIDE;
virtual int EncodeBlock(int16_t* in_data, int block_size_samples,
uint8_t* payload, int max_bytes);
private:
WebRtcOpusEncInst* opus_encoder_;
int channels_;
int bit_rate_kbps_;
bool fec_;
int target_loss_rate_;
};
NetEqOpusFecQualityTest::NetEqOpusFecQualityTest()
: NetEqQualityTest(kOpusBlockDurationMs, kOpusSamplingKhz,
kOpusSamplingKhz,
(FLAGS_channels == 1) ? kDecoderOpus : kDecoderOpus_2ch,
FLAGS_channels,
FLAGS_in_filename,
FLAGS_out_filename),
opus_encoder_(NULL),
channels_(FLAGS_channels),
bit_rate_kbps_(FLAGS_bit_rate_kbps),
fec_(FLAGS_fec),
target_loss_rate_(FLAGS_reported_loss_rate) {
}
void NetEqOpusFecQualityTest::SetUp() {
// Create encoder memory.
WebRtcOpus_EncoderCreate(&opus_encoder_, channels_);
ASSERT_TRUE(opus_encoder_ != NULL);
// Set bitrate.
EXPECT_EQ(0, WebRtcOpus_SetBitRate(opus_encoder_, bit_rate_kbps_ * 1000));
if (fec_) {
EXPECT_EQ(0, WebRtcOpus_EnableFec(opus_encoder_));
}
EXPECT_EQ(0, WebRtcOpus_SetPacketLossRate(opus_encoder_,
target_loss_rate_));
NetEqQualityTest::SetUp();
}
void NetEqOpusFecQualityTest::TearDown() {
// Free memory.
EXPECT_EQ(0, WebRtcOpus_EncoderFree(opus_encoder_));
NetEqQualityTest::TearDown();
}
int NetEqOpusFecQualityTest::EncodeBlock(int16_t* in_data,
int block_size_samples,
uint8_t* payload, int max_bytes) {
int value = WebRtcOpus_Encode(opus_encoder_, in_data,
block_size_samples, max_bytes,
payload);
EXPECT_GT(value, 0);
return value;
}
TEST_F(NetEqOpusFecQualityTest, Test) {
Simulate(FLAGS_runtime_ms);
}
} // namespace test
} // namespace webrtc
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