webrtc/webrtc/modules/audio_coding/neteq/tools/neteq_quality_test.cc
henrik.lundin@webrtc.org 9c55f0f957 Rename neteq4 folder to neteq
Keep the old neteq4/audio_decoder_unittests.isolate while waiting for
a hard-coded reference to change.

This CL effectively reverts r6257 "Rename neteq4 folder to neteq".

BUG=2996
TBR=tina.legrand@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/21629004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6367 4adac7df-926f-26a2-2b94-8c16560cd09d
2014-06-09 08:10:28 +00:00

116 lines
4.1 KiB
C++

/*
* 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 <stdio.h>
#include "webrtc/modules/audio_coding/neteq/tools/neteq_quality_test.h"
namespace webrtc {
namespace test {
const uint8_t kPayloadType = 95;
const int kOutputSizeMs = 10;
NetEqQualityTest::NetEqQualityTest(int block_duration_ms,
int in_sampling_khz,
int out_sampling_khz,
enum NetEqDecoder decoder_type,
int channels,
double drift_factor,
std::string in_filename,
std::string out_filename)
: decoded_time_ms_(0),
decodable_time_ms_(0),
drift_factor_(drift_factor),
block_duration_ms_(block_duration_ms),
in_sampling_khz_(in_sampling_khz),
out_sampling_khz_(out_sampling_khz),
decoder_type_(decoder_type),
channels_(channels),
in_filename_(in_filename),
out_filename_(out_filename),
in_size_samples_(in_sampling_khz_ * block_duration_ms_),
out_size_samples_(out_sampling_khz_ * kOutputSizeMs),
payload_size_bytes_(0),
max_payload_bytes_(0),
in_file_(new InputAudioFile(in_filename_)),
out_file_(NULL),
rtp_generator_(new RtpGenerator(in_sampling_khz_, 0, 0,
decodable_time_ms_)) {
NetEq::Config config;
config.sample_rate_hz = out_sampling_khz_ * 1000;
neteq_.reset(NetEq::Create(config));
max_payload_bytes_ = in_size_samples_ * channels_ * sizeof(int16_t);
in_data_.reset(new int16_t[in_size_samples_ * channels_]);
payload_.reset(new uint8_t[max_payload_bytes_]);
out_data_.reset(new int16_t[out_size_samples_ * channels_]);
}
void NetEqQualityTest::SetUp() {
out_file_ = fopen(out_filename_.c_str(), "wb");
ASSERT_TRUE(out_file_ != NULL);
ASSERT_EQ(0, neteq_->RegisterPayloadType(decoder_type_, kPayloadType));
rtp_generator_->set_drift_factor(drift_factor_);
}
void NetEqQualityTest::TearDown() {
fclose(out_file_);
}
int NetEqQualityTest::Transmit() {
int packet_input_time_ms =
rtp_generator_->GetRtpHeader(kPayloadType, in_size_samples_,
&rtp_header_);
if (!PacketLost(packet_input_time_ms) && payload_size_bytes_ > 0) {
int ret = neteq_->InsertPacket(rtp_header_, &payload_[0],
payload_size_bytes_,
packet_input_time_ms * in_sampling_khz_);
if (ret != NetEq::kOK)
return -1;
}
return packet_input_time_ms;
}
int NetEqQualityTest::DecodeBlock() {
int channels;
int samples;
int ret = neteq_->GetAudio(out_size_samples_ * channels_, &out_data_[0],
&samples, &channels, NULL);
if (ret != NetEq::kOK) {
return -1;
} else {
assert(channels == channels_);
assert(samples == kOutputSizeMs * out_sampling_khz_);
fwrite(&out_data_[0], sizeof(int16_t), samples * channels, out_file_);
return samples;
}
}
void NetEqQualityTest::Simulate(int end_time_ms) {
int audio_size_samples;
while (decoded_time_ms_ < end_time_ms) {
while (decodable_time_ms_ - kOutputSizeMs < decoded_time_ms_) {
ASSERT_TRUE(in_file_->Read(in_size_samples_ * channels_, &in_data_[0]));
payload_size_bytes_ = EncodeBlock(&in_data_[0],
in_size_samples_, &payload_[0],
max_payload_bytes_);
decodable_time_ms_ = Transmit() + block_duration_ms_;
}
audio_size_samples = DecodeBlock();
if (audio_size_samples > 0) {
decoded_time_ms_ += audio_size_samples / out_sampling_khz_;
}
}
}
} // namespace test
} // namespace webrtc